/* ============================================
   Vinay Kottapeta — Cinematic Light Portfolio
   IMAX-inspired storytelling experience
   ============================================ */

:root {
  --bg: #f7f4ef;
  --bg-warm: #efe9e0;
  --bg-cream: #faf8f5;
  --bg-white: #ffffff;
  --text: #14141c;
  --text-soft: #45455a;
  --text-muted: #6b6b7d;
  --accent: #c4a574;
  --accent-deep: #9a7b4f;
  --accent-warm: #d4a88c;
  --border: rgba(26, 26, 34, 0.08);
  --border-strong: rgba(26, 26, 34, 0.15);
  --shadow: 0 20px 60px rgba(26, 26, 34, 0.08);
  --shadow-lg: 0 40px 100px rgba(26, 26, 34, 0.12);
  --letterbox: #0e0e12;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --nav-height: 64px;
  --letterbox-h: clamp(18px, 3vh, 36px);
  --transition: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --max-narrative: 680px;
  --cs-sticky-nav-height: 46px;
  --cs-rail-width: 10.75rem;
  --cs-rail-gap: 1.5rem;
  --cs-rail-edge: clamp(0.75rem, 1.5vw, 1.5rem);
  --cs-rail-offset: calc(var(--cs-rail-edge) + var(--cs-rail-width) + var(--cs-rail-gap));
  --cs-rail-breakpoint: 1400px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  padding-top: var(--letterbox-h);
  padding-bottom: var(--letterbox-h);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* IMAX Letterbox bars */
.letterbox {
  position: fixed;
  left: 0;
  right: 0;
  height: var(--letterbox-h);
  background: var(--letterbox);
  z-index: 9000;
  pointer-events: none;
}

.letterbox--top { top: 0; }
.letterbox--bottom { bottom: 0; }

/* Reading progress */
.progress-bar {
  position: fixed;
  top: var(--letterbox-h);
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  z-index: 9001;
  transition: width 0.1s linear;
}

/* Navigation */
.nav {
  position: fixed;
  top: var(--letterbox-h);
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-chapters {
  display: none;
  gap: 1.75rem;
}

.nav-chapters a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.25s;
}

.nav-chapters a:hover {
  color: var(--accent-deep);
}

@media (min-width: 1100px) {
  .nav-chapters { display: flex; }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:first-child {
  transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:last-child {
  transform: rotate(-45deg) translate(5px, -6px);
}

@media (min-width: 1100px) {
  .nav-toggle { display: none; }
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-cream);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 7vw, 2.8rem);
  font-weight: 500;
  font-style: italic;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s, transform 0.4s;
}

.mobile-menu.open a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.open a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu.open a:nth-child(6) { transition-delay: 0.3s; }
.mobile-menu.open a:nth-child(7) { transition-delay: 0.35s; }

/* Cinematic sections */
.cine-section {
  position: relative;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.5rem, 6vw, 5rem);
}

.story-chapter {
  min-height: 70vh;
}

.story-chapter--wide {
  padding-bottom: clamp(3rem, 6vh, 5rem);
}

/* Opening / Prologue */
.opening {
  min-height: calc(100vh - var(--letterbox-h) * 2 - var(--nav-height));
  min-height: calc(100dvh - var(--letterbox-h) * 2 - var(--nav-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-height) + 2rem);
  overflow: hidden;
}

.opening-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(196, 165, 116, 0.12), transparent),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(212, 168, 140, 0.1), transparent),
    linear-gradient(180deg, var(--bg-cream) 0%, var(--bg) 100%);
  z-index: 0;
}

.opening-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 900px) {
  .opening-inner {
    grid-template-columns: auto 1fr;
    gap: 5rem;
  }
}

/* Profile photo placeholder */
.profile-frame {
  width: clamp(200px, 28vw, 280px);
  aspect-ratio: 3 / 4;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-strong);
  position: relative;
}

.profile-frame--small {
  width: 120px;
  aspect-ratio: 1;
  border-radius: 50%;
}

.profile-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  background: linear-gradient(145deg, var(--bg-warm), var(--bg-cream));
}

.profile-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

/* Cinematic typography */
.cine-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 1.5rem;
}

.cine-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 4.5rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}

.title-line {
  display: block;
}

.title-line--italic {
  font-style: italic;
  color: var(--accent-deep);
}

.cine-narration {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-soft);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.cine-narration strong {
  color: var(--text);
  font-weight: 600;
}

.cine-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  padding-bottom: 4px;
  border-bottom: 1.5px solid var(--accent);
  transition: gap 0.3s, color 0.3s;
}

.cine-cta:hover {
  gap: 1.1rem;
  color: var(--accent-deep);
}

.cine-cta--dark {
  margin-top: 2rem;
  color: var(--bg-cream);
  border-color: var(--accent);
}

.cine-cta--dark:hover {
  color: var(--accent);
}

.opening-stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.stat-pill {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
}

.stat-pill em {
  font-style: normal;
  font-weight: 600;
  color: var(--accent-deep);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

/* Chapter structure */
.chapter-marker {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.chapter-num {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  white-space: nowrap;
}

.chapter-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
  max-width: 200px;
}

.chapter-content {
  max-width: var(--max-narrative);
}

.chapter-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 1.75rem;
}

.chapter-title em {
  font-style: italic;
  color: var(--accent-deep);
}

.project-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-white);
}

/* Narrative prose */
.narrative {
  color: var(--text-soft);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.72;
}

.narrative p {
  margin-bottom: 1.5rem;
}

.narrative p:last-child {
  margin-bottom: 0;
}

.narrative-lead {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem) !important;
  color: var(--text) !important;
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.6 !important;
}

.narrative em {
  font-style: italic;
  color: var(--text);
}

/* Origin timeline */
.origin-timeline {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border-strong);
  padding-left: 2rem;
}

.origin-beat {
  padding: 1.25rem 0;
  position: relative;
}

.origin-beat::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.6rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-3px);
}

.beat-year {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-deep);
  display: block;
  margin-bottom: 0.25rem;
}

.origin-beat p {
  font-size: 0.95rem;
  color: var(--text-soft);
}

/* UI Film Reel — IMAX horizontal gallery */
.ui-reel {
  margin-top: 4rem;
  width: 100vw;
  margin-left: calc(-1 * clamp(1.5rem, 6vw, 5rem));
  padding: 0 clamp(1.5rem, 6vw, 5rem);
  position: relative;
}

.ui-reel-viewport {
  position: relative;
}

.ui-reel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 0 0.5rem;
}

.reel-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.reel-edge {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(20, 20, 28, 0.1);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s, background 0.25s, box-shadow 0.25s;
  pointer-events: none;
}

.reel-edge--prev { left: 0.5rem; }
.reel-edge--next { right: 0.5rem; }

.ui-reel-viewport:hover .reel-edge,
.ui-reel-viewport:focus-within .reel-edge {
  opacity: 1;
  pointer-events: auto;
}

.reel-edge:hover {
  background: var(--text);
  color: var(--bg-cream);
  border-color: var(--text);
  transform: translateY(-50%) scale(1.06);
  box-shadow: 0 8px 28px rgba(20, 20, 28, 0.18);
}

.reel-edge:active {
  transform: translateY(-50%) scale(0.98);
}

@media (hover: none) and (min-width: 769px) {
  .reel-edge {
    opacity: 1;
    pointer-events: auto;
  }
}

.ui-reel-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 1.25rem 0 2rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
  cursor: grab;
  user-select: none;
}

.ui-reel-track.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

.ui-reel-track::-webkit-scrollbar {
  height: 4px;
}

.ui-reel-track::-webkit-scrollbar-track {
  background: var(--border);
  border-radius: 4px;
}

.ui-reel-track::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.ui-frame {
  flex: 0 0 auto;
  scroll-snap-align: center;
  cursor: pointer;
  transition: transform 0.45s var(--transition);
  margin: 0;
}

.ui-frame:hover {
  transform: translateY(-8px) scale(1.02);
}

.ui-reel-track.is-dragging .ui-frame {
  cursor: grabbing;
}

.ui-reel-track.is-dragging .ui-frame:hover {
  transform: none;
}

.reel-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  margin-top: 0.5rem;
}

/* Craft interlude */
.craft {
  background: var(--bg-warm);
  text-align: center;
}

.craft .chapter-marker {
  justify-content: center;
}

.craft .chapter-marker .chapter-line {
  max-width: 80px;
}

.craft .chapter-title {
  max-width: 600px;
  margin: 0 auto 3.5rem;
}

.craft-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1040px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .craft-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.25rem;
  }
}

@media (min-width: 1024px) {
  .craft-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
  }
}

.craft-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  text-align: left;
  transition: transform 0.35s var(--transition), box-shadow 0.35s, border-color 0.35s;
  width: 100%;
  min-height: 44px;
}

.craft-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(20, 20, 28, 0.12);
  border-color: var(--accent);
}

.craft-item:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
}

.craft-item h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  font-style: italic;
  color: var(--accent-deep);
  margin-bottom: 0.75rem;
}

.craft-item p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.65;
}

/* Epilogue */
.epilogue {
  background: var(--letterbox);
  color: var(--bg-cream);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.epilogue-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 700px) {
  .epilogue-inner {
    grid-template-columns: auto 1fr;
    gap: 3.5rem;
  }
}

.epilogue .cine-label {
  color: var(--accent);
}

.epilogue .chapter-title {
  color: var(--bg-cream);
}

.epilogue .chapter-title em {
  color: var(--accent);
}

.narration {
  color: rgba(250, 248, 245, 0.7);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 1.5rem 0 2rem;
}

.epilogue-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.epilogue-link {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
  transition: padding-left 0.3s;
}

.epilogue-link:hover {
  padding-left: 0.5rem;
}

.link-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.epilogue-link {
  font-size: 1rem;
  color: var(--bg-cream);
}

.epilogue .profile-frame {
  border-color: rgba(255, 255, 255, 0.15);
}

/* Footer */
.footer {
  background: var(--letterbox);
  color: rgba(250, 248, 245, 0.4);
  text-align: center;
  padding: 2rem clamp(1.5rem, 5vw, 3rem) 3rem;
  font-size: 0.8rem;
}

.footer-fade {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  color: rgba(250, 248, 245, 0.25);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(14, 14, 18, 0.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 95vw;
  transform: scale(0.94);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox.open .lightbox-inner {
  transform: scale(1);
}

.lightbox img {
  max-width: 90vw;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  background: #fff;
}

.lightbox-close {
  position: absolute;
  top: calc(var(--letterbox-h) + 1rem);
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--bg-cream);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-close:focus-visible {
  background: rgba(255, 255, 255, 0.25);
}

#lightbox-caption {
  margin-top: 1rem;
  color: rgba(250, 248, 245, 0.6);
  font-size: 0.85rem;
  font-family: var(--font-display);
  font-style: italic;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--transition), transform 0.9s var(--transition);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero refinements ── */
.cine-cta--hero {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 2rem;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  background: var(--text);
  color: var(--bg-cream);
  border: none;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform 0.3s, background 0.3s, box-shadow 0.3s;
}

.cine-cta--hero:hover {
  background: var(--accent-deep);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 32px rgba(154, 123, 79, 0.25);
  gap: 1.2rem;
  color: var(--bg-cream);
}

.cine-cta--hero .cta-arrow {
  transition: transform 0.35s var(--transition);
}

.cine-cta--hero:hover .cta-arrow {
  transform: translateY(4px);
  animation: arrowBounce 1s ease infinite;
}

@keyframes arrowBounce {
  0%, 100% { transform: translateY(4px); }
  50% { transform: translateY(8px); }
}

.hero-stats-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.65rem;
  padding: 1.15rem 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  font-weight: 500;
  color: var(--text);
  max-width: 100%;
  box-shadow: var(--shadow);
}

.stat-item {
  white-space: nowrap;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--accent-deep);
  letter-spacing: -0.02em;
  margin-right: 0.15rem;
}

.stat-sep {
  color: var(--text-muted);
  font-size: 0.85rem;
  opacity: 0.65;
  user-select: none;
}

.opening-backdrop {
  will-change: transform;
}

/* ── Chapter hierarchy ── */
.role-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg-cream);
  background: var(--text);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

.metrics-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.metric-chip {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 120px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.metric-chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.metric-chip strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-deep);
  line-height: 1;
}

.metric-chip span {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.impact-highlights {
  list-style: none;
  margin-bottom: 2rem;
  padding: 1.25rem 1.25rem 1.25rem 0;
  border-left: 3px solid var(--accent);
}

.impact-highlights li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.55;
}

.impact-highlights li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-deep);
  font-weight: 600;
}

.impact-highlights li:last-child {
  margin-bottom: 0;
}

/* Case study expandable */
.case-study-cta {
  margin-top: 1.5rem;
}

.case-study-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  padding: 0.75rem 0;
  min-height: 44px;
  transition: gap 0.25s, color 0.25s;
}

.case-study-toggle:hover {
  gap: 0.75rem;
  color: var(--text);
}

.case-study-toggle svg {
  transition: transform 0.3s;
}

.case-study-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.case-study-panel {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s var(--transition), opacity 0.4s, margin 0.4s;
}

.case-study-panel.is-open {
  max-height: 200px;
  opacity: 1;
  margin-top: 0.75rem;
}

.case-study-panel p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.case-study-download {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.65rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  min-height: 44px;
  transition: background 0.25s, transform 0.25s;
}

.case-study-download:hover {
  background: var(--bg-warm);
  transform: translateY(-1px);
}

/* ── Device frames ── */
.device-frame {
  position: relative;
  background: #2a2a30;
  box-shadow: var(--shadow-lg);
  transition: box-shadow 0.45s var(--transition);
}

.ui-frame:hover .device-frame {
  box-shadow: 0 32px 80px rgba(20, 20, 28, 0.18);
}

.device-frame--macbook {
  width: clamp(280px, 34vw, 400px);
  border-radius: 12px 12px 0 0;
  padding: 10px 10px 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.device-frame--macbook::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #444;
  margin: 0 auto 8px;
  box-shadow: inset 0 0 2px rgba(0,0,0,0.5);
}

.device-frame--macbook .device-screen {
  border-radius: 4px 4px 0 0;
  overflow: hidden;
  position: relative;
  background: #111;
}

.device-frame--macbook .device-chin {
  height: 14px;
  background: linear-gradient(180deg, #2a2a30, #1e1e24);
  border-radius: 0 0 12px 12px;
  margin: 0 -10px;
  position: relative;
}

.device-frame--macbook .device-chin::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: #3a3a42;
  border-radius: 4px;
}

.device-frame--macbook .device-screen img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  display: block;
}

.device-frame--iphone {
  width: clamp(160px, 22vw, 220px);
  border-radius: 28px;
  padding: 10px 8px 12px;
  border: 2px solid #3a3a42;
}

.device-frame--iphone .device-notch {
  width: 72px;
  height: 22px;
  background: #2a2a30;
  border-radius: 0 0 14px 14px;
  margin: 0 auto 6px;
  position: relative;
  z-index: 2;
}

.device-frame--iphone .device-screen {
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  background: #111;
}

.device-frame--iphone .device-screen img {
  width: 100%;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  object-position: top;
  display: block;
}

.device-frame--iphone .device-home-bar {
  width: 80px;
  height: 4px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  margin: 8px auto 0;
}

.frame-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 0.75rem 0.6rem;
  background: linear-gradient(transparent, rgba(14, 14, 18, 0.85));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s, transform 0.35s;
  pointer-events: none;
}

.ui-frame:hover .frame-label {
  opacity: 1;
  transform: translateY(0);
}

.reel-hint--mobile { display: none; }
.reel-hint--desktop { display: block; }
.reel-hint--all { display: block; }

/* ── Horizontal image galleries (low-fi, flows, mockups) ── */
.h-gallery {
  width: 100vw;
  margin-left: calc(-1 * clamp(1.5rem, 6vw, 5rem));
  padding: 0 clamp(1.5rem, 6vw, 5rem);
  position: relative;
  margin-top: 1.25rem;
}

.h-gallery__viewport {
  position: relative;
}

.h-gallery__track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 1rem 0 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--border);
  cursor: grab;
}

.h-gallery__track.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

.h-gallery__track::-webkit-scrollbar {
  height: 6px;
}

.h-gallery__track::-webkit-scrollbar-track {
  background: var(--border);
  border-radius: 4px;
}

.h-gallery__track::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.h-gallery-card {
  flex: 0 0 auto;
  scroll-snap-align: center;
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.h-gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.h-gallery__track.is-dragging .h-gallery-card {
  cursor: grabbing;
  transform: none;
}

.h-gallery-card__media {
  background: #f4f2ef;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 200px;
}

.h-gallery-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: top center;
}

.h-gallery-card figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
  text-align: center;
}

/* Card widths tuned for full clarity */
.h-gallery--wireframe .h-gallery-card {
  width: min(88vw, 540px);
}

.h-gallery--wireframe-xl .h-gallery-card {
  width: min(92vw, 720px);
}

.h-gallery--flow .h-gallery-card {
  width: min(94vw, 1280px);
}

.h-gallery--flow-xl .h-gallery-card {
  width: min(98vw, 1600px);
}

.h-gallery--device .h-gallery-card {
  width: min(90vw, 720px);
}

.h-gallery--slide .h-gallery-card {
  width: min(92vw, 960px);
}

.h-gallery--wide .h-gallery-card {
  width: min(96vw, 1400px);
}

.case-study-main .ui-reel--horizontal .device-frame--macbook {
  width: clamp(300px, 44vw, 500px);
}

.case-study-main .ui-reel--horizontal .device-frame--macbook .device-screen img {
  object-fit: contain;
  object-position: top center;
  background: #111;
}

.lowfi-subsection .h-gallery,
.cs-section--wide > .cs-section-inner > .h-gallery {
  margin-top: 1.25rem;
}

/* Case study galleries stay horizontal on all breakpoints */
.case-study-main .ui-reel--horizontal,
.case-study-main .h-gallery {
  width: 100vw;
  margin-left: calc(-1 * clamp(1.5rem, 6vw, 5rem));
}

.case-study-main .h-gallery .reel-edge,
.case-study-main .ui-reel--horizontal .reel-edge {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile: 2-column grid only on main story page reels */
@media (max-width: 768px) {
  .ui-reel:not(.ui-reel--horizontal) {
    width: 100%;
    margin-left: 0;
    padding: 0;
  }

  .ui-reel:not(.ui-reel--horizontal) .reel-edge {
    display: none;
  }

  .ui-reel:not(.ui-reel--horizontal) .ui-reel-track {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    overflow-x: visible;
    scroll-snap-type: none;
    padding: 0.5rem 0 1rem;
    cursor: default;
  }

  .ui-reel:not(.ui-reel--horizontal) .ui-frame {
    scroll-snap-align: unset;
    cursor: pointer;
  }

  .ui-reel:not(.ui-reel--horizontal) .ui-frame:hover {
    transform: translateY(-4px) scale(1.01);
  }

  .ui-reel:not(.ui-reel--horizontal) .device-frame--macbook,
  .ui-reel:not(.ui-reel--horizontal) .device-frame--iphone {
    width: 100%;
  }

  .case-study-main .h-gallery {
    width: 100%;
    margin-left: 0;
    padding: 0;
  }

  .case-study-main .ui-reel--horizontal {
    width: 100%;
    margin-left: 0;
    padding: 0;
  }

  .case-study-main .ui-reel--horizontal .device-frame--macbook,
  .case-study-main .ui-reel--horizontal .device-frame--iphone {
    width: min(85vw, 420px);
  }

  .device-frame--iphone {
    border-radius: 20px;
    padding: 8px 6px 10px;
  }

  .device-frame--iphone .device-notch {
    width: 50px;
    height: 16px;
  }

  .frame-label {
    opacity: 1;
    transform: none;
    font-size: 0.65rem;
    padding: 1rem 0.5rem 0.5rem;
  }

  .reel-hint--desktop { display: none; }
  .reel-hint--mobile { display: block; }
  .reel-hint--all { display: block; }

  .metrics-row {
    flex-direction: column;
  }

  .metric-chip {
    min-width: unset;
  }

  .hero-stats-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .stat-sep { display: none; }

  .stat-item {
    white-space: normal;
  }

  .craft-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ── Craft interlude extras ── */
.craft-step {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.35;
  display: block;
  margin-bottom: 0.5rem;
}

.craft-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s, transform 0.3s;
}

.craft-item:hover .craft-link {
  opacity: 1;
  transform: translateY(0);
}

/* ── Epilogue CTAs ── */
.availability-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(196, 165, 116, 0.4);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

.epilogue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 1.6rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform 0.3s, background 0.3s, box-shadow 0.3s;
}

.btn-primary--epilogue {
  background: var(--accent);
  color: var(--letterbox);
}

.btn-primary--epilogue:hover {
  background: var(--bg-cream);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 24px rgba(196, 165, 116, 0.3);
}

.btn-secondary--epilogue {
  background: transparent;
  color: var(--bg-cream);
  border: 1px solid rgba(250, 248, 245, 0.3);
}

.btn-secondary--epilogue:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ── Process modal ── */
.process-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.process-modal.open {
  opacity: 1;
  visibility: visible;
}

.process-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 14, 18, 0.7);
  backdrop-filter: blur(8px);
}

.process-modal-panel {
  position: relative;
  width: min(520px, 92vw);
  background: var(--bg-cream);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s var(--transition);
  border: 1px solid var(--border);
}

.process-modal.open .process-modal-panel {
  transform: translateY(0) scale(1);
}

.process-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 1px solid var(--border);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.process-modal-close:hover {
  background: var(--bg-warm);
}

.process-modal-content h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  font-style: italic;
  color: var(--accent-deep);
  margin-bottom: 0.5rem;
}

.process-modal-content .process-num {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: block;
}

.process-modal-content p {
  font-size: 0.95rem;
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.process-modal-content ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.process-modal-content li {
  font-size: 0.88rem;
  color: var(--text-soft);
  padding: 0.35rem 0 0.35rem 1.25rem;
  position: relative;
}

.process-modal-content li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent-deep);
  font-weight: 700;
}

.process-modal-jump {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-deep);
  padding: 0.6rem 0;
  min-height: 44px;
}

.process-modal-jump:hover {
  color: var(--text);
}

/* Nav toggle min tap target */
.nav-toggle {
  min-width: 44px;
  min-height: 44px;
}

.reel-edge {
  min-width: 44px;
  min-height: 44px;
}

/* ── Project split: mockups beside content ── */
.project-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .project-split {
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
  }

  .project-split--reverse .project-mockups {
    order: 2;
  }

  .project-split--reverse .project-content {
    order: 1;
  }
}

.project-mockups {
  position: relative;
}

.mockup-showcase {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.4s var(--transition), transform 0.4s var(--transition);
}

.mockup-showcase:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.mockup-hero,
.chapter-cover {
  width: 100%;
  border-radius: 8px;
  object-fit: contain;
  background: var(--bg-cream);
  transition: opacity 0.35s ease;
}

.mockup-showcase--cover {
  padding: 0.75rem;
}

.chapter-cover {
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.cs-hero-cover {
  max-width: 1100px;
  margin: 2.5rem auto 0;
  padding: 0 clamp(1.5rem, 6vw, 5rem);
}

.cs-hero-cover img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: block;
}

.cs-lowfi-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.cs-lowfi-grid--two {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .cs-lowfi-grid--two {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cs-lowfi-grid--three {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .cs-lowfi-grid--three {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cs-lowfi-grid--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cs-lowfi-feature {
  grid-column: 1 / -1;
}

.mockup-thumbs {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
  justify-content: center;
}

.mockup-thumb {
  width: 72px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.25s, border-color 0.25s, transform 0.25s;
  min-width: 44px;
  min-height: 44px;
}

.mockup-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mockup-thumb:hover,
.mockup-thumb.is-active {
  opacity: 1;
  border-color: var(--accent-deep);
  transform: translateY(-2px);
}

.project-content {
  max-width: var(--max-narrative);
}

@media (min-width: 900px) {
  .project-content {
    max-width: none;
  }
}

.case-study-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
  padding: 0.9rem 1.6rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bg-cream);
  background: var(--text);
  border-radius: 100px;
  min-height: 48px;
  transition: transform 0.3s, background 0.3s, gap 0.3s, box-shadow 0.3s;
}

.case-study-link:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
  gap: 0.85rem;
  box-shadow: 0 8px 24px rgba(154, 123, 79, 0.25);
  color: var(--bg-cream);
}

.case-study-link span {
  transition: transform 0.3s;
}

.case-study-link:hover span {
  transform: translateX(3px);
}

/* Alternating chapter backgrounds */
#chapter-origin { background: var(--bg-cream); }
#chapter-rivirtual { background: var(--bg); }
#chapter-loop { background: var(--bg-cream); }
#chapter-itester { background: var(--bg); }
#chapter-goodreviews { background: var(--bg-cream); }

/* ── Case study detail pages ── */
html:has(.case-study-main) {
  scroll-padding-top: calc(var(--letterbox-h) + var(--nav-height) + var(--cs-sticky-nav-height));
}

html:has(.cs-sticky-nav--rail) {
  scroll-padding-top: calc(var(--letterbox-h) + var(--nav-height) + 16px);
}

.case-study-main {
  padding-top: var(--nav-height);
  transition: padding-left 0.3s ease;
}

@media (min-width: 1400px) {
  html:has(.cs-sticky-nav--rail) .case-study-main {
    padding-left: var(--cs-rail-offset);
  }

  /* Full-bleed reels/galleries must respect the rail gutter */
  html:has(.cs-sticky-nav--rail) .case-study-main .ui-reel,
  html:has(.cs-sticky-nav--rail) .case-study-main .ui-reel--horizontal,
  html:has(.cs-sticky-nav--rail) .case-study-main .h-gallery {
    width: calc(100vw - var(--cs-rail-offset));
  }
}

.case-study-main > .cs-section[id] {
  scroll-margin-top: calc(var(--letterbox-h) + var(--nav-height) + var(--cs-sticky-nav-height) + 12px);
}

html:has(.cs-sticky-nav--rail) .case-study-main > .cs-section[id] {
  scroll-margin-top: calc(var(--letterbox-h) + var(--nav-height) + 16px);
}

/* Mobile / tablet: single-row horizontal strip (never wraps) */
.cs-sticky-nav {
  position: sticky;
  top: calc(var(--letterbox-h) + var(--nav-height));
  z-index: 999;
  background: rgba(247, 244, 239, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(26, 26, 34, 0.04);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.28s ease, visibility 0.28s ease, transform 0.28s ease;
  pointer-events: none;
}

.cs-sticky-nav.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.cs-sticky-nav:not(.is-visible):not(.cs-sticky-nav--rail) {
  max-height: 0;
  overflow: hidden;
  border-bottom: none;
  box-shadow: none;
}

.cs-sticky-nav__label {
  display: none;
}

.cs-sticky-nav__inner {
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(90deg, transparent, #000 1.25rem, #000 calc(100% - 1.25rem), transparent);
}

.cs-sticky-nav__inner::-webkit-scrollbar {
  display: none;
}

.cs-sticky-nav__list {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 0.1rem;
  padding: 0 clamp(1rem, 4vw, 3.5rem);
  margin: 0;
  list-style: none;
  min-width: min-content;
}

.cs-sticky-nav__list a {
  display: flex;
  align-items: center;
  min-height: var(--cs-sticky-nav-height);
  padding: 0.5rem 0.8rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cs-sticky-nav__list a:hover {
  color: var(--accent-deep);
}

.cs-sticky-nav__list a.is-active {
  color: var(--accent-deep);
  border-bottom-color: var(--accent);
}

.cs-sticky-nav__list a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: calc(var(--letterbox-h) + 0.5rem);
  left: 1rem;
  z-index: 10002;
  padding: 0.55rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--bg-cream);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: translateY(-140%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.cs-enlargeable {
  cursor: zoom-in;
}

.cs-enlargeable:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
}

/* Desktop: fixed left rail in reserved gutter (wide screens only) */
@media (min-width: 1400px) {
  .cs-sticky-nav {
    position: fixed;
    top: calc(var(--letterbox-h) + var(--nav-height) + 1.25rem);
    left: var(--cs-rail-edge);
    bottom: calc(var(--letterbox-h) + 1.25rem);
    width: var(--cs-rail-width);
    z-index: 998;
    background: rgba(247, 244, 239, 0.82);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(26, 26, 34, 0.06);
    padding: 0.85rem 0.65rem 0.75rem;
    transform: translateX(-8px);
  }

  .cs-sticky-nav.is-visible {
    transform: none;
  }

  .cs-sticky-nav__label {
    display: block;
    padding: 0 0.55rem 0.65rem;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
  }

  .cs-sticky-nav__inner {
    overflow-x: hidden;
    overflow-y: auto;
    max-height: 100%;
    mask-image: linear-gradient(180deg, transparent, #000 0.35rem, #000 calc(100% - 0.35rem), transparent);
    padding-right: 0.15rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(154, 123, 79, 0.35) transparent;
  }

  .cs-sticky-nav__inner::-webkit-scrollbar {
    display: block;
    width: 4px;
  }

  .cs-sticky-nav__inner::-webkit-scrollbar-thumb {
    background: rgba(154, 123, 79, 0.35);
    border-radius: 4px;
  }

  .cs-sticky-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.05rem;
    padding: 0;
    min-width: 0;
  }

  .cs-sticky-nav__list a {
    min-height: 0;
    padding: 0.42rem 0.55rem 0.42rem 0.7rem;
    font-size: 0.6rem;
    line-height: 1.35;
    white-space: normal;
    border-bottom: none;
    border-left: 2px solid transparent;
    border-radius: 0 6px 6px 0;
  }

  .cs-sticky-nav__list a:hover {
    background: rgba(196, 165, 116, 0.08);
  }

  .cs-sticky-nav__list a.is-active {
    color: var(--accent-deep);
    border-left-color: var(--accent);
    background: rgba(196, 165, 116, 0.1);
  }
}

.nav--case-study {
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.cs-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.25s, transform 0.25s;
  min-height: 44px;
}

.cs-back-link:hover {
  color: var(--accent-deep);
  transform: translateX(-3px);
}

.cs-hero {
  padding: clamp(4rem, 10vh, 7rem) clamp(1.5rem, 6vw, 5rem) clamp(3rem, 6vh, 4rem);
  background:
    radial-gradient(ellipse 70% 50% at 80% 10%, rgba(196, 165, 116, 0.1), transparent),
    linear-gradient(180deg, var(--bg-cream) 0%, var(--bg) 100%);
}

.cs-hero-inner {
  max-width: var(--max-narrative);
  margin: 0 auto;
}

.cs-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
}

.cs-hero-title em {
  font-style: italic;
  color: var(--accent-deep);
}

.cs-section {
  padding: clamp(3.5rem, 8vh, 5.5rem) clamp(1.5rem, 6vw, 5rem);
}

.cs-section:nth-of-type(even) {
  background: var(--bg-cream);
}

.cs-section-inner {
  max-width: var(--max-narrative);
  margin: 0 auto;
}

.cs-section--wide {
  max-width: none;
}

.cs-section--wide .cs-section-inner {
  max-width: 1200px;
}

.cs-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  font-style: italic;
  color: var(--accent-deep);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.cs-section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.cs-flows-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .cs-flows-grid--two {
    grid-template-columns: repeat(2, 1fr);
  }
}

.flow-frame,
.mockup-frame {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.flow-frame:hover,
.mockup-frame:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.flow-frame img,
.mockup-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.flow-frame figcaption,
.mockup-frame figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
}

.cs-mockups-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 900px) {
  .cs-mockups-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Prototype & live links ── */
.cs-prototype-bar {
  padding: clamp(2rem, 5vh, 3rem) clamp(1.5rem, 6vw, 5rem);
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-warm) 100%);
  border-bottom: 1px solid var(--border);
}

.cs-prototype-bar .cs-section-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.cs-prototype-copy {
  flex: 1 1 280px;
}

.cs-prototype-copy p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.65;
  margin: 0;
}

.cs-prototype-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn-figma,
.btn-live,
.btn-ppt {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: transform 0.25s, background 0.25s, box-shadow 0.25s;
}

.btn-figma {
  background: var(--text);
  color: var(--bg-cream);
}

.btn-figma:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20, 20, 28, 0.15);
}

.btn-live {
  background: var(--bg-white);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-live:hover {
  background: var(--bg-warm);
  transform: translateY(-2px);
}

.btn-ppt {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-ppt:hover {
  background: var(--bg-white);
  transform: translateY(-2px);
}

/* ── Design system showcase ── */
.cs-design-system-feature {
  margin-top: 2rem;
}

.cs-design-system-feature img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  cursor: zoom-in;
}

.cs-design-system-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .cs-design-system-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cs-design-system-grid .mockup-frame img {
  cursor: zoom-in;
}

/* ── Nested sub-case-study (RiVirtual Business Card) ── */
.cs-sub-study {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cs-sub-study-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: rgba(196, 165, 116, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.cs-slide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .cs-slide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cs-slide-grid--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cs-slide-grid .flow-frame img {
  cursor: zoom-in;
}

/* ── Interactive live prototype (MacBook stage) ── */
.prototype-stage {
  padding: clamp(2.5rem, 6vh, 4rem) clamp(1.5rem, 6vw, 5rem) clamp(3rem, 8vh, 5rem);
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-warm) 100%);
}

.prototype-stage__inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.prototype-stage__header {
  margin-bottom: 2rem;
}

.prototype-stage__header .cs-section-label {
  display: block;
  margin-bottom: 0.75rem;
}

.prototype-stage__header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.prototype-stage__header p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 auto;
}

.prototype-stage__device-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.prototype-stage__device {
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.prototype-stage__device.is-transitioning {
  opacity: 0;
  transform: translateY(8px);
}

.prototype-stage__device .device-frame--macbook {
  width: clamp(300px, 78vw, 720px);
  box-shadow: 0 40px 100px rgba(20, 20, 28, 0.18);
}

.prototype-stage__device .device-frame--macbook .device-screen img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.prototype-stage__screen-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 1rem;
}

.prototype-stage__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.prototype-stage__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-white);
  color: var(--text);
  cursor: pointer;
  transition: background 0.25s, transform 0.25s, border-color 0.25s;
}

.prototype-stage__arrow:hover {
  background: var(--bg-warm);
  border-color: var(--accent);
  transform: scale(1.05);
}

.prototype-stage__arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.prototype-stage__counter {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
  min-width: 4.5rem;
}

.prototype-stage__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  max-width: 720px;
  margin: 0 auto 1.5rem;
}

.prototype-stage__thumb {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.45rem 0.85rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-soft);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.prototype-stage__thumb:hover {
  border-color: var(--accent);
  color: var(--text);
}

.prototype-stage__thumb.is-active {
  background: var(--text);
  color: var(--bg-cream);
  border-color: var(--text);
}

.prototype-stage__cta {
  margin-top: 0.5rem;
}

.lowfi-subsection {
  margin-top: 2.5rem;
}

.lowfi-subsection:first-of-type {
  margin-top: 2rem;
}

.lowfi-subsection__title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.lowfi-subsection__desc {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.ui-gallery-module {
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.ui-gallery-module:last-child {
  margin-bottom: 0;
}

.ui-gallery-module__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 500;
  margin-bottom: 0.35rem;
  padding: 0 clamp(1.5rem, 6vw, 5rem);
}

.ui-gallery-module__desc {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  padding: 0 clamp(1.5rem, 6vw, 5rem);
  max-width: 720px;
}

.brochure-showcase-hero {
  margin-top: 2rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.brochure-showcase-hero img {
  width: 100%;
  display: block;
  cursor: zoom-in;
}

.brochure-collection {
  padding-top: 0.5rem;
}

.brochure-collection + .brochure-collection {
  margin-top: clamp(3rem, 8vh, 5rem);
  padding-top: clamp(2rem, 5vh, 3rem);
  border-top: 1px solid var(--border);
}

.brochure-collection__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 0.5rem;
}

.brochure-spread-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

@media (min-width: 640px) {
  .brochure-spread-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.brochure-spread-grid--four {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .brochure-spread-grid--four {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .brochure-spread-grid--four {
    grid-template-columns: repeat(4, 1fr);
  }
}

.brochure-pdf-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.cs-concept-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .cs-concept-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cs-concept-grid--brochure {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cs-download-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.cs-download-section {
  text-align: center;
  padding: clamp(3rem, 8vh, 5rem) clamp(1.5rem, 6vw, 5rem);
  background: var(--bg-warm);
}

.cs-download-section .cs-section-inner {
  max-width: 560px;
}

.cs-download-section p {
  font-size: 0.95rem;
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.case-study-main .ui-reel {
  margin-top: 0;
  margin-bottom: 0;
}

.case-study-footer {
  padding: 2rem clamp(1.5rem, 6vw, 5rem);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.cs-next-chapter {
  padding: clamp(3rem, 8vh, 5rem) clamp(1.5rem, 6vw, 5rem);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(196, 165, 116, 0.12), transparent),
    var(--bg-cream);
  border-top: 1px solid var(--border);
}

.cs-next-chapter__inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.cs-next-chapter__eyebrow {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.cs-next-chapter__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 500;
  font-style: italic;
  color: var(--accent-deep);
  margin-bottom: 0.5rem;
}

.cs-next-chapter__desc {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.cs-next-chapter__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: center;
  text-align: left;
  padding: 1.25rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

@media (min-width: 640px) {
  .cs-next-chapter__card {
    grid-template-columns: 140px 1fr auto;
    padding: 1.25rem 1.5rem;
  }
}

.cs-next-chapter__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.cs-next-chapter__card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.cs-next-chapter__thumb {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f4f2ef;
  aspect-ratio: 4 / 3;
}

.cs-next-chapter__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-next-chapter__copy strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.2rem;
}

.cs-next-chapter__copy span {
  font-size: 0.84rem;
  color: var(--text-soft);
}

.cs-next-chapter__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  white-space: nowrap;
}

.cs-next-chapter__back {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.cs-next-chapter__back:hover {
  color: var(--accent-deep);
}

/* ── RiVirtual case study polish ── */
.cs-hero--premium {
  padding-bottom: 2rem;
  position: relative;
}

.cs-hero--premium .cs-hero-inner {
  max-width: none;
  margin: 0;
}

.cs-hero-scroll-wrap {
  text-align: center;
  margin-top: 1rem;
}

.cs-hero-scroll-wrap .cs-scroll-hint {
  text-decoration: none;
  color: var(--text-muted);
}

.cs-hero-scroll-wrap .cs-scroll-hint:hover {
  color: var(--text-soft);
}

.cs-hero-premium-layout {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .cs-hero-premium-layout {
    grid-template-columns: 1fr 1.15fr;
    gap: 3rem;
  }
}

@media (max-width: 1023px) {
  .cs-hero-mockup-stage {
    max-width: 520px;
    margin: 0 auto;
  }

  .cs-hero-mockup-img {
    transform: rotateY(-2deg) rotateX(1deg);
  }
}

.cs-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-soft);
  line-height: 1.65;
  margin: -0.75rem 0 1.5rem;
  max-width: 36ch;
}

.cs-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn-primary--cs,
.btn-secondary--cs {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.8rem 1.4rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: transform 0.25s, background 0.25s, box-shadow 0.25s;
}

.btn-primary--cs {
  background: var(--text);
  color: var(--bg-cream);
}

.btn-primary--cs:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(20, 20, 28, 0.18);
}

.btn-secondary--cs {
  background: var(--bg-white);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-secondary--cs:hover {
  background: var(--bg-warm);
  transform: translateY(-2px);
}

.cs-hero-mockup-stage {
  position: relative;
  perspective: 1400px;
  padding: 1rem 0 2rem;
}

.cs-hero-mockup-stage::before {
  content: '';
  position: absolute;
  inset: 12% 8% 0;
  background: radial-gradient(ellipse at center, rgba(196, 165, 116, 0.22), transparent 68%);
  filter: blur(28px);
  z-index: 0;
}

.cs-hero-mockup-img {
  position: relative;
  z-index: 1;
  width: 100%;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow:
    0 4px 12px rgba(20, 20, 28, 0.06),
    0 28px 80px rgba(20, 20, 28, 0.16),
    0 60px 120px rgba(20, 20, 28, 0.08);
  transform: rotateY(-6deg) rotateX(3deg) translateZ(0);
  transition: transform 0.6s var(--transition);
}

.cs-hero-mockup-stage:hover .cs-hero-mockup-img {
  transform: rotateY(-3deg) rotateX(1deg) scale(1.02);
}

.cs-hero-mockup-reflection {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -8px;
  height: 40%;
  background: linear-gradient(180deg, rgba(196, 165, 116, 0.12), transparent);
  transform: scaleY(-1) skewX(-6deg);
  opacity: 0.35;
  filter: blur(12px);
  z-index: 0;
  pointer-events: none;
}

.cs-scroll-hint {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: cs-scroll-bob 2.2s ease-in-out infinite;
}

.cs-scroll-hint svg {
  opacity: 0.7;
}

@keyframes cs-scroll-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.cs-stat-callout {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  margin: 1.25rem 0 1.75rem;
  background: rgba(196, 165, 116, 0.12);
  border: 1px solid rgba(196, 165, 116, 0.28);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.cs-stat-callout strong {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--accent-deep);
  line-height: 1;
}

.cs-challenge-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
}

.cs-challenge-list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.35rem;
  font-size: 0.95rem;
  color: var(--text-soft);
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}

.cs-challenge-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.cs-role-line {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.65;
  padding: 1rem 1.25rem;
  background: var(--bg-white);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}

.cs-block__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 1.75rem 0 1rem;
  color: var(--text);
}

.cs-problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .cs-problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .cs-problem-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cs-problem-grid .cs-problem-card:last-child:nth-child(odd) {
    grid-column: span 1;
  }
}

.cs-problem-card {
  padding: 1rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-left: 3px solid #8b3a3a;
}

.cs-problem-card strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text);
}

.cs-problem-card span {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.cs-goals-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.cs-goals-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.cs-goals-list__icon {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--bg-cream);
  font-size: 0.68rem;
  font-weight: 700;
}

.cs-research-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .cs-research-board {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cs-research-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.cs-research-item__num {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(196, 165, 116, 0.18);
  color: var(--accent-deep);
  font-size: 0.68rem;
  font-weight: 700;
}

.cs-research-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.cs-insight-callout {
  margin: 0;
  padding: 1.35rem 1.5rem;
  background: linear-gradient(135deg, rgba(196, 165, 116, 0.14) 0%, rgba(196, 165, 116, 0.06) 100%);
  border: 1px solid rgba(196, 165, 116, 0.32);
  border-left: 4px solid var(--accent-deep);
  border-radius: 0 12px 12px 0;
}

.cs-insight-callout__label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.cs-insight-callout p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text);
}

.cs-goals-metrics-wrap {
  margin-top: 0;
}

.cs-goals-metrics-table th:nth-child(1) { color: #2d6a4f; }
.cs-goals-metrics-table th:nth-child(2) { color: var(--accent-deep); }

.cs-goals-metrics-table td:first-child {
  font-weight: 600;
  color: var(--text);
}

.cs-persona-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.75rem 0 0;
}

@media (min-width: 768px) {
  .cs-persona-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cs-persona-card {
  padding: 1.25rem 1.2rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-top: 3px solid var(--accent);
}

.cs-persona-card--client { border-top-color: #1d6a9a; }
.cs-persona-card--tester { border-top-color: #2d8a7e; }
.cs-persona-card--admin { border-top-color: #6b4c9a; }

.cs-persona-card__swatch {
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  margin-bottom: 0.65rem;
}

.cs-persona-card__role {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text);
}

.cs-persona-card__goal,
.cs-persona-card__pain {
  margin: 0 0 0.55rem;
  font-size: 0.84rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.cs-persona-card__goal strong,
.cs-persona-card__pain strong {
  color: var(--text);
  font-weight: 600;
}

.journey-block--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .journey-block--split {
    grid-template-columns: 1fr 1fr;
  }
}

.journey-pipeline--compact .journey-pipeline__step {
  font-size: 0.72rem;
  padding: 0.45rem 0.7rem;
}

.design-cs-table-wrap {
  margin-top: 0;
}

.design-cs-table th:nth-child(1) { color: #8b3a3a; }
.design-cs-table th:nth-child(2) { color: #2d6a4f; }
.design-cs-table th:nth-child(3) { color: var(--accent-deep); }

.design-cs-table td:first-child {
  font-weight: 600;
  color: var(--text);
  min-width: 9rem;
}

.design-cs-table td:nth-child(2) {
  color: var(--text);
}

.design-cs-impact {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-deep);
  padding: 0.3rem 0.65rem;
  background: rgba(196, 165, 116, 0.14);
  border: 1px solid rgba(196, 165, 116, 0.3);
  border-radius: 100px;
  white-space: nowrap;
}

.design-cs-visuals {
  margin-top: clamp(2rem, 5vh, 3rem);
  padding-top: clamp(1.5rem, 4vh, 2rem);
  border-top: 1px solid var(--border);
}

.design-cs-visuals__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0 0 1.25rem;
}

.design-cs-visuals__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .design-cs-visuals__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.design-cs-visual--solo {
  max-width: 720px;
  margin: 0 auto;
}

.design-cs-visual {
  padding: 1.15rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.design-cs-visual__heading {
  font-size: 0.88rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text);
}

.design-cs-visual__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.design-cs-visual__panel {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.3s var(--transition);
}

.design-cs-visual__panel:hover {
  transform: translateY(-2px);
}

.design-cs-visual__panel img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #f4f2ef;
}

.design-cs-visual__panel--before img {
  filter: saturate(0.65) contrast(0.95);
}

.design-cs-visual__panel--after img {
  filter: saturate(1.05);
}

.design-cs-visual__panel figcaption,
.design-cs-visual__single figcaption {
  padding: 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  color: var(--text-soft);
}

.design-cs-visual__single {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.3s var(--transition);
}

.design-cs-visual__single:hover {
  transform: translateY(-2px);
}

.design-cs-visual__single img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #f4f2ef;
}

/* Design process */
.design-process-block__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 1rem;
  color: var(--text);
}

.design-process-caption {
  margin: -0.5rem 0 1.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-muted);
}

.design-process-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .design-process-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 1100px) {
  .design-process-timeline {
    grid-template-columns: repeat(6, 1fr);
    gap: 0.65rem;
  }

  .design-process-timeline::before {
    content: '';
    position: absolute;
    left: 4%;
    right: 4%;
    top: 1.35rem;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-deep));
    z-index: 0;
    pointer-events: none;
  }

  .design-process-timeline {
    position: relative;
  }
}

.design-process-step {
  position: relative;
  z-index: 1;
  padding: 1rem 0.85rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s var(--transition), box-shadow 0.3s;
}

.design-process-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.design-process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.55rem;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--bg-cream);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 0 0 3px var(--bg-cream);
}

.design-process-step__title {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-soft);
}

.design-process-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
  padding: 0.85rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
}

.design-process-tools__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.design-process-tool {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.35rem 0.85rem;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 100px;
}

.design-process-visuals {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .design-process-visuals {
    grid-template-columns: 1fr 1fr;
  }
}

.design-process-visual {
  padding: 1.15rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.design-process-visual__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  margin: 0 0 1rem;
}

.design-process-progression {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.5rem;
  align-items: center;
}

.design-process-progression__item {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.3s var(--transition);
}

.design-process-progression__item:hover {
  transform: translateY(-2px);
}

.design-process-progression__item img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #f4f2ef;
  min-height: 120px;
}

.design-process-progression__item figcaption,
.design-process-visual__ds figcaption {
  padding: 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  color: var(--text-soft);
}

.design-process-progression__arrow {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.design-process-visual__ds {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.3s var(--transition);
}

.design-process-visual__ds:hover {
  transform: translateY(-2px);
}

.design-process-visual__ds img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: var(--bg-white);
  padding: 0.5rem;
}

.cs-outcome-card--highlight strong {
  color: var(--accent-deep);
  font-size: 1.75rem;
}

.cs-outcomes-grid--impact .cs-outcome-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  max-width: 50%;
  margin-left: auto;
  margin-right: auto;
}

.process-pipeline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding: 0.65rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  background: var(--bg-white);
  border: 1px dashed var(--border-strong);
  border-radius: 100px;
}

.h-gallery--wireframe-xl .h-gallery-card {
  width: min(92vw, 720px);
}

.flow-intro {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 1rem;
}

.flow-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
  padding: 0.85rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.flow-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-soft);
}

.flow-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.flow-legend__dot--customer { background: #2d6a4f; }
.flow-legend__dot--realtor { background: #0d9488; }
.flow-legend__dot--builder { background: #c45c26; }
.flow-legend__dot--community { background: #6b4c9a; }
.flow-legend__dot--provider { background: #be4b7a; }
.flow-legend__dot--lender { background: #1d6a9a; }
.flow-legend__dot--pm { background: #3d8b5f; }
.flow-legend__dot--advisor { background: #8b5e3c; }
.flow-legend__dot--platform { background: #6b4c9a; }
.flow-legend__dot--internal { background: #4a4a52; }

.personas-flows-heading {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 500;
  margin: clamp(2.5rem, 6vh, 3.5rem) 0 0.75rem;
  padding-top: clamp(2rem, 5vh, 3rem);
  border-top: 1px solid var(--border);
}

.personas-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-white);
  box-shadow: var(--shadow);
}

.personas-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.86rem;
  line-height: 1.55;
}

.personas-table thead {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
}

.personas-table th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.personas-table td {
  padding: 0.9rem 1rem;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
  vertical-align: top;
}

.personas-table tbody tr:hover {
  background: rgba(196, 165, 116, 0.06);
}

.personas-table td:first-child {
  color: var(--text);
  font-weight: 500;
  min-width: 11rem;
}

.persona-role {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.persona-swatch {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.persona-swatch--green { background: #2d6a4f; }
.persona-swatch--teal { background: #0d9488; }
.persona-swatch--orange { background: #c45c26; }
.persona-swatch--purple { background: #6b4c9a; }
.persona-swatch--pink { background: #be4b7a; }
.persona-swatch--blue { background: #1d6a9a; }
.persona-swatch--green-dark { background: #3d8b5f; }
.persona-swatch--brown { background: #8b5e3c; }

.persona-color-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.55rem;
  border-radius: 100px;
  border: 1px solid transparent;
}

.persona-color-label--green { color: #2d6a4f; background: rgba(45, 106, 79, 0.1); border-color: rgba(45, 106, 79, 0.2); }
.persona-color-label--teal { color: #0d9488; background: rgba(13, 148, 136, 0.1); border-color: rgba(13, 148, 136, 0.2); }
.persona-color-label--orange { color: #c45c26; background: rgba(196, 92, 38, 0.1); border-color: rgba(196, 92, 38, 0.2); }
.persona-color-label--purple { color: #6b4c9a; background: rgba(107, 76, 154, 0.1); border-color: rgba(107, 76, 154, 0.2); }
.persona-color-label--pink { color: #be4b7a; background: rgba(190, 75, 122, 0.1); border-color: rgba(190, 75, 122, 0.2); }
.persona-color-label--blue { color: #1d6a9a; background: rgba(29, 106, 154, 0.1); border-color: rgba(29, 106, 154, 0.2); }
.persona-color-label--brown { color: #8b5e3c; background: rgba(139, 94, 60, 0.1); border-color: rgba(139, 94, 60, 0.2); }

.journey-arch {
  margin-top: 0;
}

.journey-arch .personas-flows-heading {
  margin-top: clamp(2.5rem, 6vh, 3.5rem);
  border-top: 1px solid var(--border);
  padding-top: clamp(2rem, 5vh, 3rem);
}

.journey-block {
  margin-bottom: clamp(1.75rem, 4vh, 2.5rem);
}

.journey-block__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 1rem;
  color: var(--text);
}

.journey-pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.35rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.journey-pipeline__step {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.45rem 0.75rem;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 100px;
  white-space: nowrap;
}

.journey-pipeline__arrow {
  font-size: 0.85rem;
  color: var(--accent-deep);
  font-weight: 600;
}

.journey-stage-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--bg-cream);
  font-size: 0.72rem;
  font-weight: 700;
  vertical-align: middle;
}

.journey-stages-table td:first-child {
  min-width: 10rem;
  white-space: nowrap;
}

.journey-cross-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.35rem;
  padding: 1.25rem 1.35rem;
  background: linear-gradient(165deg, var(--bg-white) 0%, var(--bg-warm) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.journey-cross-role__chip {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-soft);
  padding: 0.5rem 0.8rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 8px;
  line-height: 1.4;
}

.journey-cross-role__chip--final {
  color: var(--accent-deep);
  border-color: rgba(196, 165, 116, 0.45);
  background: rgba(196, 165, 116, 0.12);
}

.journey-cross-role__arrow {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

.journey-arch .flow-legend {
  margin-bottom: 1.5rem;
}

.cs-blend-figure {
  margin: 2rem auto 0;
  padding: 0;
  max-width: min(68%, 640px);
  background: transparent;
  text-align: center;
  cursor: pointer;
}

.cs-blend-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: drop-shadow(0 8px 22px rgba(20, 20, 28, 0.05));
  transition: transform 0.4s var(--transition), filter 0.4s;
}

.cs-blend-figure:hover img {
  transform: translateY(-3px);
  filter: drop-shadow(0 12px 30px rgba(20, 20, 28, 0.08));
}

.cs-blend-figure figcaption {
  margin-top: 0.85rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
}

@media (max-width: 768px) {
  .cs-blend-figure {
    max-width: min(92%, 520px);
  }
}

.ds-showcase-wrap {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

.ds-showcase-wrap .h-gallery {
  margin-top: 0;
  width: 100%;
  margin-left: 0;
  padding: 0;
}

.ds-adoption-note {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.65;
  font-style: italic;
  text-align: center;
}

.h-gallery--device-premium .h-gallery-card {
  width: min(94vw, 860px);
}

.h-gallery--device-premium .h-gallery-card__media {
  background: linear-gradient(165deg, #f8f6f2 0%, #ece8e1 100%);
  padding: 1.5rem;
}

.h-gallery--device-premium .h-gallery-card {
  box-shadow: 0 24px 64px rgba(20, 20, 28, 0.12);
}

/* Before / After comparisons */
.ba-compare-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 6vh, 4rem);
  margin-top: 2rem;
  padding: 0 clamp(1.5rem, 6vw, 5rem);
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

.ba-compare__labels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.ba-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
}

.ba-label--before {
  background: rgba(180, 60, 60, 0.08);
  color: #8b3a3a;
  border: 1px solid rgba(180, 60, 60, 0.2);
}

.ba-label--after {
  background: rgba(45, 106, 79, 0.08);
  color: #2d6a4f;
  border: 1px solid rgba(45, 106, 79, 0.22);
}

.ba-slider {
  margin-bottom: 0.5rem;
}

.ba-slider__viewport {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f4f2ef;
  cursor: ew-resize;
  touch-action: none;
  user-select: none;
}

.ba-slider__img--before {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: top;
  filter: saturate(0.65) contrast(0.95);
}

.ba-slider__after-clip {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
  z-index: 2;
  border-right: 2px solid var(--bg-cream);
  box-shadow: 2px 0 12px rgba(14, 14, 18, 0.15);
}

.ba-slider__img--after {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  height: 100%;
  object-fit: cover;
  object-position: left top;
  filter: saturate(1.05);
}

.ba-slider__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 3;
  width: 44px;
  margin-left: -22px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ba-slider__handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--bg-cream);
  box-shadow: 0 0 8px rgba(14, 14, 18, 0.35);
}

.ba-slider__handle-knob {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-cream);
  border: 2px solid var(--accent);
  box-shadow: 0 4px 16px rgba(14, 14, 18, 0.2);
}

.ba-slider__handle-knob::before,
.ba-slider__handle-knob::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform: translateY(-50%);
}

.ba-slider__handle-knob::before {
  left: 8px;
  border-right: 6px solid var(--accent-deep);
}

.ba-slider__handle-knob::after {
  right: 8px;
  border-left: 6px solid var(--accent-deep);
}

.ba-slider__handle:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 2px;
  border-radius: 8px;
}

.ba-slider__hint {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.65rem;
  letter-spacing: 0.04em;
}

.ba-compare__panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ba-compare__panels {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

.ba-panel {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.ba-panel:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.ba-panel--before img {
  filter: saturate(0.65) contrast(0.95);
}

.ba-panel--after img {
  filter: saturate(1.05);
}

.ba-panel img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #f4f2ef;
}

.ba-compare__caption {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.6;
  text-align: center;
}

.ba-compare__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 0.5rem;
}

/* ── Unified visual showcase (RiVirtual + case studies) ── */
.cs-visual-stage {
  max-width: 1080px;
  margin: 2rem auto 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: linear-gradient(165deg, var(--bg-white) 0%, var(--bg-warm) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}

.wireframe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 920px;
  margin: 2rem auto 0;
}

@media (max-width: 700px) {
  .wireframe-grid {
    grid-template-columns: 1fr;
  }
}

.wireframe-card {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.wireframe-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.wireframe-card__media {
  aspect-ratio: 16 / 11;
  background: #f4f2ef;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.wireframe-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.wireframe-card figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  text-align: center;
  border-top: 1px solid var(--border);
}

.ba-compare-grid--curated {
  gap: clamp(2rem, 5vh, 3rem);
  max-width: 1080px;
}

.ba-compare--hero {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: linear-gradient(165deg, var(--bg-white) 0%, var(--bg-cream) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(20, 20, 28, 0.08);
}

.ba-compare--hero .ba-compare__panels {
  gap: 1rem;
}

.ba-compare--hero .ba-panel {
  background: #f4f2ef;
}

.ba-compare--hero .ba-panel img {
  width: 100%;
  height: auto;
  max-height: min(52vh, 480px);
  object-fit: contain;
  object-position: center;
}

.ba-compare-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

@media (min-width: 900px) {
  .ba-compare-row {
    grid-template-columns: 1fr 1fr;
  }
}

.ba-compare--compact .ba-compare__title {
  font-size: 1.05rem;
}

.ba-compare__panels--framed {
  align-items: start;
}

.ba-panel--device {
  border: none;
  background: transparent;
  overflow: visible;
}

.ba-panel--device:hover {
  transform: none;
  box-shadow: none;
}

.device-frame--compare {
  width: 100%;
  margin: 0 auto;
}

.device-frame--compare .device-screen img {
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: top center;
  background: #f4f2ef;
}

.ba-panel--before .device-frame--compare .device-screen img {
  filter: saturate(0.6) contrast(0.92);
}

.ba-panel--after .device-frame--compare .device-screen img {
  filter: saturate(1.05);
}

.flow-stack {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  max-width: 960px;
  margin: 2rem auto 0;
}

.flow-stack__item {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.flow-stack__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.flow-stack__item img {
  width: 100%;
  display: block;
  object-fit: contain;
}

.flow-stack__item figcaption {
  padding: 0.8rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  text-align: center;
  border-top: 1px solid var(--border);
}

#design-system .cs-blend-figure {
  margin-top: 1.75rem;
}

.device-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 1080px;
  margin: 2rem auto 0;
}

@media (min-width: 768px) {
  .device-showcase-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.device-showcase-card {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(165deg, #f8f6f2 0%, #ece8e1 100%);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.device-showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.device-showcase-card__media {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.device-showcase-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.device-showcase-card figcaption {
  padding: 0.75rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  text-align: center;
  background: var(--bg-white);
  border-top: 1px solid var(--border);
}

.crm-showcase {
  margin-top: 2.5rem;
}

.crm-showcase .ui-reel--horizontal {
  margin-top: 1rem;
}

.case-study-main .crm-showcase .ui-reel--horizontal .device-frame--macbook {
  width: clamp(280px, 36vw, 400px);
}

.case-study-main .crm-showcase .device-frame--macbook .device-screen img {
  object-fit: contain;
  object-position: top center;
  background: #f4f2ef;
  aspect-ratio: 16 / 10;
}

/* MacBook Pro scrollable screen showcase */
.mac-scroll-showcase {
  margin-top: 2.5rem;
}

.mac-scroll-showcase .ui-reel--horizontal {
  margin-top: 1rem;
}

.mac-scroll-showcase .ui-frame--mac-scroll {
  cursor: default;
}

.mac-scroll-showcase .ui-frame--mac-scroll .frame-label {
  position: static;
  margin: 0;
  padding: 0.85rem 0 0;
  background: none;
  color: var(--text-soft);
  text-align: center;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 1;
  transform: none;
}

.mac-scroll-showcase .device-frame--macbook-pro {
  width: clamp(300px, 38vw, 420px);
  padding: 14px 14px 0;
  background: linear-gradient(165deg, #52525c 0%, #35353f 38%, #26262e 100%);
  border-radius: 18px 18px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 28px 72px rgba(20, 20, 28, 0.22);
}

.mac-scroll-showcase .device-frame--macbook-pro::before {
  display: none;
}

.macbook-pro__camera {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: radial-gradient(circle at 35% 35%, #4a4a54, #18181e 70%);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.45),
    inset 0 -1px 2px rgba(255, 255, 255, 0.08);
}

.mac-scroll-showcase .device-screen--scroll {
  aspect-ratio: 16 / 10;
  width: 100%;
  border-radius: 7px 7px 0 0;
  overflow: hidden;
  background: #0c0c10;
  border: 1px solid rgba(0, 0, 0, 0.55);
  position: relative;
  cursor: default;
}

.mac-scroll-showcase .device-screen__scrollport {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: auto;
  background: #f4f2ef;
}

.mac-scroll-showcase .device-screen__scrollport::-webkit-scrollbar {
  width: 5px;
}

.mac-scroll-showcase .device-screen__scrollport::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.15);
}

.mac-scroll-showcase .device-screen__scrollport::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.28);
  border-radius: 4px;
}

.mac-scroll-showcase .device-screen__scrollport img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: auto;
  object-fit: unset;
  background: #f4f2ef;
}

.device-screen__scroll-cue {
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 2;
  padding: 0.3rem 0.6rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(14, 14, 18, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.35s var(--transition);
  backdrop-filter: blur(6px);
}

.device-screen--scroll.is-scrolling .device-screen__scroll-cue,
.device-screen--scroll.is-fit .device-screen__scroll-cue {
  opacity: 0;
}

.macbook-pro__base {
  height: 18px;
  margin: 0 -14px;
  background: linear-gradient(180deg, #3a3a44 0%, #222228 100%);
  border-radius: 0 0 16px 16px;
  position: relative;
}

.macbook-pro__base::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(180deg, #4e4e58, #363640);
  border-radius: 4px;
}

.macbook-pro__lip {
  height: 5px;
  margin: 0 -14px;
  background: linear-gradient(180deg, #1c1c22, #101014);
  border-radius: 0 0 22px 22px;
  box-shadow: 0 6px 16px rgba(20, 20, 28, 0.18);
}

.mac-scroll-showcase .ui-frame:hover .device-frame--macbook-pro {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 36px 88px rgba(20, 20, 28, 0.28);
}

.mac-scroll-showcase .device-screen--scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* iPhone scrollable screen showcase */
.iphone-scroll-showcase {
  margin-top: 2.5rem;
}

.iphone-scroll-showcase .ui-reel--horizontal {
  margin-top: 1rem;
}

.iphone-scroll-showcase .ui-frame--phone-scroll {
  cursor: default;
}

.iphone-scroll-showcase .ui-frame--phone-scroll .frame-label {
  position: static;
  margin: 0;
  padding: 0.85rem 0 0;
  background: none;
  color: var(--text-soft);
  text-align: center;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 1;
  transform: none;
}

.iphone-scroll-showcase .device-frame--iphone-premium {
  width: clamp(200px, 26vw, 260px);
  padding: 12px 10px 14px;
  background: linear-gradient(165deg, #4a4a52 0%, #2e2e36 45%, #1e1e24 100%);
  border-radius: 36px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 24px 60px rgba(20, 20, 28, 0.2);
}

.iphone-scroll-showcase .device-frame--iphone-premium .device-notch {
  width: 84px;
  height: 24px;
  background: #141418;
  border-radius: 0 0 16px 16px;
  margin-bottom: 8px;
}

.iphone-scroll-showcase .device-screen--scroll {
  aspect-ratio: 9 / 19.5;
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: #0a0a0c;
  border: 1px solid rgba(0, 0, 0, 0.45);
  position: relative;
  cursor: default;
}

.iphone-scroll-showcase .device-screen__scrollport {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  background: #f8f6f2;
}

.iphone-scroll-showcase .device-screen__scrollport img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: auto;
  object-fit: unset;
  background: #f8f6f2;
}

.iphone-scroll-showcase .device-frame--iphone-premium .device-home-bar {
  width: 88px;
  height: 4px;
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.3);
}

.iphone-scroll-showcase .ui-frame:hover .device-frame--iphone-premium {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 32px 72px rgba(20, 20, 28, 0.26);
}

.iphone-scroll-showcase .device-screen--scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.bc-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .bc-showcase-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bc-showcase-card {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.bc-showcase-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.bc-showcase-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  display: block;
  background: #f4f2ef;
}

.bc-showcase-card figcaption {
  padding: 0.7rem 0.85rem;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-soft);
  text-align: center;
  border-top: 1px solid var(--border);
}

.cs-feature-mockup {
  margin: 2rem auto 0;
  max-width: 420px;
}

/* Business card case study — scannable narrative */
.bc-block {
  margin-top: clamp(2rem, 5vh, 3rem);
  padding-top: clamp(1.5rem, 4vh, 2rem);
  border-top: 1px solid var(--border);
}

.bc-block__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.bc-block__lead {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.bc-problem-grid,
.bc-features-grid,
.bc-impact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .bc-problem-grid,
  .bc-features-grid,
  .bc-impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.bc-problem-card,
.bc-feature-card,
.bc-impact-card {
  padding: 1rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-left: 3px solid var(--accent);
}

.bc-problem-card strong,
.bc-feature-card strong,
.bc-impact-card strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text);
}

.bc-problem-card span,
.bc-feature-card span,
.bc-impact-card span {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.55;
}

.bc-flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bc-flow-steps li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.bc-flow-steps__num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--bg-cream);
  font-size: 0.82rem;
  font-weight: 700;
}

.bc-flow-steps li strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.2rem;
}

.bc-flow-steps li span {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.bc-hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

@media (min-width: 900px) {
  .bc-hero-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.5rem;
  }
}

.bc-hero-copy .cs-section-title {
  margin-bottom: 1rem;
}

.bc-hero-copy .narrative-lead {
  margin-bottom: 1.25rem;
}

.bc-hero-visual {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
}

.bc-hero-mockup {
  width: 100%;
  max-width: 440px;
  display: block;
  cursor: pointer;
  background: transparent;
  mix-blend-mode: lighten;
  filter: drop-shadow(0 18px 36px rgba(20, 20, 28, 0.1));
  transition: transform 0.4s var(--transition), filter 0.4s;
}

.bc-hero-mockup:hover {
  transform: translateY(-6px) scale(1.02);
  filter: drop-shadow(0 24px 48px rgba(20, 20, 28, 0.14));
}

@media (min-width: 900px) {
  .bc-hero-mockup {
    max-width: 100%;
  }
}

.bc-works {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.bc-works__diagram {
  margin: 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.bc-works__diagram:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.bc-works__diagram img {
  width: 100%;
  display: block;
  border-radius: 10px;
  object-fit: contain;
}

.bc-works__timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  position: relative;
}

@media (min-width: 900px) {
  .bc-works__timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.65rem;
  }

  .bc-works__timeline::before {
    content: '';
    position: absolute;
    top: 1.15rem;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-deep) 100%);
    z-index: 0;
  }
}

.bc-works-step {
  position: relative;
  z-index: 1;
  padding: 1.1rem 1rem 1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s var(--transition), box-shadow 0.3s;
}

.bc-works-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.bc-works-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 0.65rem;
  border-radius: 50%;
  background: var(--accent-deep);
  color: var(--bg-cream);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 0 0 4px var(--bg-warm);
}

.bc-works-step__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
  color: var(--text);
}

.bc-works-step__desc {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.bc-works__note {
  margin: 0;
  padding: 0.85rem 1.1rem;
  font-size: 0.84rem;
  color: var(--accent-deep);
  font-style: italic;
  line-height: 1.6;
  text-align: center;
  background: rgba(196, 165, 116, 0.1);
  border: 1px dashed rgba(196, 165, 116, 0.35);
  border-radius: 100px;
}

.bc-design-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .bc-design-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.bc-design-card {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.35s var(--transition), box-shadow 0.35s;
}

.bc-design-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.bc-design-card__media,
.bc-design-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
  background: #f4f2ef;
  padding: 0.75rem;
}

.bc-design-card figcaption {
  padding: 0.7rem 0.85rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  text-align: center;
  border-top: 1px solid var(--border);
}

.bc-ppt-cta {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  text-align: center;
  background: var(--bg-white);
  border: 1px dashed var(--border-strong);
  border-radius: 14px;
}

.bc-ppt-cta p {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.cs-impact-line {
  font-size: 0.95rem;
  color: var(--text-soft);
  line-height: 1.65;
  margin-top: 1rem;
  font-style: italic;
  text-align: center;
}

.cs-feature-mockup img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 32px 80px rgba(20, 20, 28, 0.14);
  display: block;
  cursor: pointer;
}

.cs-impact-lead {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.cs-outcomes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .cs-outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cs-outcome-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 50%;
    margin-left: auto;
    margin-right: auto;
  }
}

.cs-outcome-card {
  padding: 1.1rem 1.25rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.cs-outcome-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-deep);
  margin-bottom: 0.25rem;
  font-variant-numeric: tabular-nums;
}

.cs-outcomes-grid--impact.is-animated .cs-outcome-card {
  animation: csOutcomeFade 0.55s ease both;
}

.cs-outcomes-grid--impact.is-animated .cs-outcome-card:nth-child(2) { animation-delay: 0.08s; }
.cs-outcomes-grid--impact.is-animated .cs-outcome-card:nth-child(3) { animation-delay: 0.16s; }
.cs-outcomes-grid--impact.is-animated .cs-outcome-card:nth-child(4) { animation-delay: 0.24s; }
.cs-outcomes-grid--impact.is-animated .cs-outcome-card:nth-child(5) { animation-delay: 0.32s; }

@keyframes csOutcomeFade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.cs-outcome-card span {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.5;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html { scroll-behavior: auto; }
}