:root {
  --brand-logo-url: url('assets/icons/kalyd-logo-default.png');
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --soft: #f2f2f2;
  --line: #d8d8d8;
  --accent: #004cff;
  --accent-2: #44c7a8;
  --card: #ffffff;
  --radius: 0;
  --shadow: none;
}

body[data-theme='purple'] {
  --brand-logo-url: url('assets/icons/kalyd-logo-purple.png');
  --bg: #16111f;
  --text: #fbf7ff;
  --muted: #c9bdd7;
  --soft: #21172d;
  --line: rgba(251, 247, 255, 0.14);
  --accent: #c084fc;
  --accent-2: #7dd3fc;
  --card: rgba(255, 255, 255, 0.055);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

body[data-theme='red'] {
  --brand-logo-url: url('assets/icons/kalyd-logo-red.png');
  --bg: #fff8f6;
  --text: #2a1110;
  --muted: #775b58;
  --soft: #ffffff;
  --line: rgba(122, 44, 39, 0.14);
  --accent: #e53935;
  --accent-2: #ff8a65;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 70px rgba(122, 44, 39, 0.13);
}

body[data-theme='dark-purple'] {
  --brand-logo-url: url('assets/icons/kalyd-logo-dark-purple.png');
  --bg: #08070d;
  --text: #f8f7ff;
  --muted: #b8b2c8;
  --soft: #121018;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #7c3cff;
  --accent-2: #a855f7;
  --card: rgba(255, 255, 255, 0.05);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
}

body[data-stage='animated'] {
  --radius: 18px;
}

body[data-stage='final'] {
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  transition: background 760ms cubic-bezier(0.22, 1, 0.36, 1), color 760ms cubic-bezier(0.22, 1, 0.36, 1);
}

body.page-enter {
  opacity: 0;
}

body.page-ready {
  opacity: 1;
  transition: opacity 360ms ease, background 760ms cubic-bezier(0.22, 1, 0.36, 1), color 760ms cubic-bezier(0.22, 1, 0.36, 1);
}

body.page-leaving {
  overflow: hidden;
}

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  transition: opacity 280ms ease;
}

.page-transition.active {
  opacity: 1;
}

.page-transition::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.page-transition.active::before {
  animation: page-progress 460ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.page-transition::after {
  content: '';
  width: min(180px, 42vw);
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.8;
}

@keyframes page-progress {
  to {
    width: 100%;
  }
}

body[data-stage='final']:not([data-theme='red']) {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 5%, transparent) 0 1px, transparent 1px),
    linear-gradient(180deg, color-mix(in srgb, var(--text) 4%, transparent) 0 1px, transparent 1px),
    linear-gradient(115deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 34%),
    linear-gradient(245deg, color-mix(in srgb, var(--accent-2) 13%, transparent), transparent 38%),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto, auto, auto;
}

body[data-stage='animated'] {
  background:
    radial-gradient(circle at 15% 12%, color-mix(in srgb, var(--accent) 34%, transparent), transparent 30%),
    radial-gradient(circle at 85% 18%, color-mix(in srgb, var(--accent-2) 28%, transparent), transparent 26%),
    var(--bg);
}

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

button {
  font: inherit;
}

.story-intro {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: min(1560px, calc(100% - 48px));
  margin-inline: auto;
  padding: 24px 0 72px;
}

.intro-nav,
.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand,
.demo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand span,
.demo-brand span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: transparent;
  overflow: hidden;
}

.brand-logo {
  content: var(--brand-logo-url);
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body[data-theme='red'] .brand span,
body[data-theme='red'] .demo-brand span {
  border: 1px solid rgba(229, 57, 53, 0.18);
  background: #fffdfc;
}

.intro-nav > a:last-child {
  color: var(--muted);
  font-weight: 800;
}

.intro-copy p,
.eyebrow,
.project-type {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.intro-copy h1 {
  max-width: 1120px;
  margin: 14px 0 20px;
  font-size: clamp(2.6rem, 5.6vw, 5.8rem);
  line-height: 0.98;
}

.intro-copy span {
  display: block;
  max-width: 780px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.stage-controls {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: fit-content;
  max-width: calc(100% - 28px);
  margin: 0 auto 18px;
  padding: 8px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.stage-tabs,
.theme-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.stage-button.active {
  color: #111111;
  background: var(--accent);
}

.theme-switcher {
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.theme-dot {
  width: 24px;
  height: 24px;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.72);
  transition: transform 180ms ease, border-color 180ms ease;
}

.theme-dot:hover,
.theme-dot.active {
  transform: translateY(-1px) scale(1.08);
  border-color: var(--text);
}

.theme-dot-current {
  background: linear-gradient(135deg, #d6ff5f 0 50%, #54d6b4 50% 100%);
}

.theme-dot-purple {
  background: linear-gradient(135deg, #c084fc 0 50%, #7dd3fc 50% 100%);
}

.theme-dot-red {
  background: linear-gradient(135deg, #e53935 0 50%, #fff8f6 50% 100%);
}

.theme-dot-dark-purple {
  background: linear-gradient(135deg, #050505 0 48%, #7c3cff 48% 76%, #ffffff 76% 100%);
}

.evolving-page {
  width: min(1560px, calc(100% - 48px));
  margin: 0 auto 80px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--bg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: background 760ms cubic-bezier(0.22, 1, 0.36, 1), border-color 760ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 760ms cubic-bezier(0.22, 1, 0.36, 1);
}

.stage-piece {
  display: none;
}

body[data-stage='basic'] .basic-piece,
body[data-stage='animated'] .animated-piece,
body[data-stage='final'] .final-piece {
  display: block;
}

body[data-stage='final'] .case-row,
body[data-stage='final'] .feature-wall {
  display: grid;
}

body[data-stage='basic'] {
  font-family: Arial, sans-serif;
}

body[data-stage='basic']:not([data-theme='red']):not([data-theme='purple']):not([data-theme='dark-purple']) {
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --soft: #f2f2f2;
  --line: #d8d8d8;
  --accent: #004cff;
  --accent-2: #44c7a8;
  --card: #ffffff;
  --shadow: none;
}

body[data-stage='animated']:not([data-theme='red']):not([data-theme='purple']):not([data-theme='dark-purple']) {
  --bg: #120f2a;
  --text: #fff8ff;
  --muted: #d7c8ff;
  --soft: #221849;
  --line: rgba(255, 255, 255, 0.18);
  --accent: #ff4fd8;
  --accent-2: #facc15;
  --card: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 50px rgba(255, 79, 216, 0.24);
}

body[data-stage='final']:not([data-theme='red']):not([data-theme='purple']):not([data-theme='dark-purple']) {
  --bg: #101110;
  --text: #f8f5ec;
  --muted: #b8b2a3;
  --soft: #191b18;
  --line: rgba(248, 245, 236, 0.12);
  --accent: #d6ff5f;
  --accent-2: #54d6b4;
  --card: rgba(255, 255, 255, 0.045);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

body[data-stage='basic'] .story-intro {
  min-height: 48vh;
}

body[data-stage='basic'] .intro-copy h1 {
  max-width: 860px;
  font-size: clamp(2.1rem, 4.2vw, 3.5rem);
  line-height: 1.08;
}

body[data-stage='basic'] .evolving-page {
  width: min(980px, calc(100% - 32px));
  padding: 18px;
  border: 1px solid #999999;
}

body[data-stage='basic'] .demo-header {
  display: block;
  min-height: 0;
  padding-bottom: 18px;
}

body[data-stage='basic'] .demo-brand span,
body[data-stage='basic'] .brand span {
  display: none;
}

body[data-stage='basic'] .demo-nav {
  display: block;
  margin-top: 12px;
}

body[data-stage='basic'] .demo-nav a {
  display: inline;
  margin-right: 12px;
  color: #004cff;
  text-decoration: underline;
}

body[data-stage='basic'] .demo-hero,
body[data-stage='basic'] .main-project,
body[data-stage='basic'] .demo-contact,
body[data-stage='basic'] .section-heading.split {
  display: block;
}

body[data-stage='basic'] .demo-hero {
  min-height: auto;
  padding: 28px 0;
}

body[data-stage='basic'] .demo-copy h2,
body[data-stage='basic'] .section-heading h2,
body[data-stage='basic'] .demo-contact h2,
body[data-stage='basic'] .main-project h3 {
  max-width: 760px;
  font-size: 1.65rem;
  line-height: 1.16;
}

body[data-stage='basic'] .eyebrow,
body[data-stage='basic'] .project-type,
body[data-stage='basic'] .intro-copy p {
  color: #111111;
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

body[data-stage='basic'] .demo-actions,
body[data-stage='basic'] .project-tags {
  display: block;
}

body[data-stage='basic'] .demo-actions a,
body[data-stage='basic'] .demo-contact a,
body[data-stage='basic'] .project-tags span {
  display: inline;
  min-height: 0;
  padding: 0;
  border: 0;
  color: #004cff;
  background: transparent;
  text-decoration: underline;
}

body[data-stage='basic'] .basic-list {
  margin: 18px 0;
  padding-left: 22px;
  color: #333333;
  line-height: 1.7;
}

body[data-stage='basic'] .demo-panel,
body[data-stage='basic'] .demo-strip,
body[data-stage='basic'] .project-visual {
  display: none;
}

body[data-stage='basic'] .demo-section {
  padding: 32px 0;
  border-top: 1px solid #d8d8d8;
}

body[data-stage='basic'] .demo-grid {
  display: block;
}

body[data-stage='basic'] .demo-grid article,
body[data-stage='basic'] .main-project {
  min-height: 0;
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

body[data-stage='basic'] .demo-grid h3 {
  margin: 8px 0;
}

body[data-stage='basic'] .demo-work,
body[data-stage='basic'] .demo-contact {
  margin: 0;
  padding-inline: 0;
  background: transparent;
}

body[data-stage='final'] .evolving-page,
body[data-stage='final'] .stage-controls,
body[data-stage='final'] .brand span,
body[data-stage='final'] .demo-brand span,
body[data-stage='final'] .stage-button {
  border-radius: 8px;
}

body[data-stage='animated'] .evolving-page,
body[data-stage='animated'] .stage-controls,
body[data-stage='animated'] .brand span,
body[data-stage='animated'] .demo-brand span,
body[data-stage='animated'] .stage-button,
body[data-stage='animated'] .demo-grid article,
body[data-stage='animated'] .panel-card,
body[data-stage='animated'] .main-project {
  border-radius: var(--radius);
}

.demo-header {
  min-height: 64px;
  border-bottom: 1px solid var(--line);
}

.demo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-weight: 700;
}

.demo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.58fr);
  gap: 48px;
  align-items: center;
  min-height: 78vh;
  padding: 64px 0;
}

.demo-copy h2,
.section-heading h2,
.demo-contact h2 {
  max-width: 920px;
  margin: 14px 0 0;
  font-size: clamp(2.2rem, 4.8vw, 4.5rem);
  line-height: 1.02;
}

.demo-copy > p:not(.eyebrow),
.section-heading > p:not(.eyebrow),
.demo-contact p:not(.eyebrow),
.main-project p,
.demo-grid p,
.panel-card p,
.demo-strip p {
  color: var(--muted);
  line-height: 1.7;
}

.demo-copy > p:not(.eyebrow) {
  max-width: 720px;
  font-size: 1rem;
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.demo-actions a,
.demo-contact a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  font-weight: 800;
}

.demo-actions a:first-child,
.demo-contact a {
  color: #111111;
  background: var(--accent);
}

.demo-panel {
  border: 1px solid var(--line);
  padding: 18px;
  background: var(--card);
}

.panel-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.panel-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #171916;
  background: #f8f5ec;
  position: relative;
  overflow: hidden;
}

.panel-card::before {
  content: '';
  position: absolute;
  top: 24px;
  right: 24px;
  width: 46%;
  height: 94px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
}

.panel-card span,
.panel-card strong,
.panel-card p {
  position: relative;
}

.panel-card span {
  color: #64675f;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-card strong {
  display: block;
  margin: 10px 0;
  font-size: 1.8rem;
  line-height: 1.05;
}

.demo-strip {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.demo-strip p {
  max-width: 900px;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
}

.demo-section {
  padding: 78px 0;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 28px;
}

.section-heading.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 34px;
  max-width: none;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.demo-grid article,
.main-project {
  border: 1px solid var(--line);
  background: var(--card);
}

.demo-grid article {
  min-height: 220px;
  padding: 24px;
}

.demo-grid span {
  color: var(--accent);
  font-weight: 800;
}

.demo-grid h3 {
  margin: 46px 0 10px;
  font-size: 1.35rem;
}

.demo-work {
  margin-inline: -24px;
  padding-inline: 24px;
  background: color-mix(in srgb, var(--soft) 80%, transparent);
}

.main-project {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.72fr);
  gap: 18px;
  padding: 18px;
}

.project-visual {
  min-height: 360px;
  border: 1px solid var(--line);
  background: var(--soft);
  overflow: hidden;
}

.project-visual img {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body[data-stage='final'] .project-visual img {
  display: block;
}

body:not([data-stage='final']) .project-visual::before {
  content: '';
  display: block;
  width: 70%;
  height: 130px;
  margin: 46px 0 0 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

body:not([data-stage='final']) .project-visual::after {
  content: '';
  display: block;
  height: 90px;
  margin: 46px 34px 0;
  background: repeating-linear-gradient(to bottom, color-mix(in srgb, var(--text) 16%, transparent) 0 11px, transparent 11px 24px);
}

.main-project > div:last-child {
  padding: 22px;
}

.main-project h3 {
  margin: 8px 0 12px;
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  line-height: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.project-tags span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  font-size: 0.74rem;
  font-weight: 800;
}

.demo-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin: 0 -24px -24px;
  padding: 70px 24px;
  background: var(--soft);
}

.comparison-flow {
  position: fixed;
  left: var(--flow-x, 50%);
  top: var(--flow-y, 50%);
  z-index: 50;
  width: 34vmax;
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, var(--flow-color, var(--accent)) 0 38%, transparent 72%);
  opacity: 0.36;
  transform: translate(-50%, -50%) scale(0);
  animation: comparison-flow 760ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body[data-stage='animated'] .demo-grid article,
body[data-stage='animated'] .main-project,
body[data-stage='animated'] .demo-panel {
  animation: wobbly-pop 2200ms ease-in-out infinite alternate;
}

body[data-stage='animated'] .story-intro {
  min-height: 62vh;
}

body[data-stage='animated'] .evolving-page {
  width: min(1320px, calc(100% - 40px));
  padding: 18px;
  transform: rotate(-0.2deg);
}

body[data-stage='animated'] .demo-header {
  min-height: 82px;
  padding: 0 18px;
  border: 2px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

body[data-stage='animated'] .demo-nav a {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

body[data-stage='animated'] .demo-hero {
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 0.7fr);
  gap: 28px;
}

body[data-stage='animated'] .demo-copy h2 {
  text-shadow: 4px 4px 0 rgba(255, 79, 216, 0.34);
}

body[data-stage='animated'] .demo-actions a {
  border-radius: 999px;
  box-shadow: 8px 8px 0 rgba(250, 204, 21, 0.25);
}

body[data-stage='animated'] .motion-lab {
  margin: -12px 0 46px;
  padding: 28px;
  border: 2px dashed var(--accent);
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(255, 79, 216, 0.18), rgba(250, 204, 21, 0.1));
  overflow: hidden;
}

body[data-stage='animated'] .motion-lab > span {
  color: var(--accent-2);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body[data-stage='animated'] .motion-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 18px 0;
}

body[data-stage='animated'] .motion-row strong {
  display: grid;
  place-items: center;
  min-height: 92px;
  border-radius: 18px;
  background: var(--accent);
  color: #111111;
  font-size: clamp(1.2rem, 3vw, 2.2rem);
  transform: rotate(-2deg);
}

body[data-stage='animated'] .motion-row strong:nth-child(even) {
  background: var(--accent-2);
  transform: rotate(2deg);
}

body[data-stage='animated'] .demo-grid {
  grid-template-columns: 1.1fr 0.9fr 1.15fr;
}

body[data-stage='animated'] .demo-grid article:nth-child(2) {
  transform: translateY(34px);
}

body[data-stage='animated'] .main-project {
  grid-template-columns: 0.75fr 1fr;
  border-width: 2px;
}

body[data-stage='animated'] .project-visual {
  min-height: 300px;
  border-radius: 22px;
}

body[data-stage='animated'] .demo-contact {
  border-radius: 28px;
}

body[data-stage='final'] .demo-grid article,
body[data-stage='final'] .main-project,
body[data-stage='final'] .demo-panel,
body[data-stage='final'] .panel-card,
body[data-stage='final'] .demo-actions a,
body[data-stage='final'] .demo-contact a,
body[data-stage='final'] .project-tags span {
  border-radius: var(--radius);
}

body[data-stage='final'] .demo-grid article:hover,
body[data-stage='final'] .demo-actions a:hover,
body[data-stage='final'] .demo-contact a:hover {
  transform: translateY(-3px);
}

body[data-stage='final'] .main-project {
  box-shadow: var(--shadow);
}

body[data-stage='final'] .story-intro {
  min-height: 72vh;
}

body[data-stage='final'] .evolving-page {
  width: min(1440px, calc(100% - 56px));
  padding: 28px;
  margin-bottom: 96px;
}

body[data-stage='final'] .demo-header {
  position: sticky;
  top: 82px;
  z-index: 5;
  min-height: 72px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 17, 16, 0.76);
  backdrop-filter: blur(18px);
}

body[data-stage='final'] .demo-nav a {
  padding: 10px 14px;
  border-radius: 6px;
}

body[data-stage='final'] .demo-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

body[data-stage='final'] .demo-hero {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.58fr);
  min-height: 100vh;
  max-width: 1320px;
  margin-inline: auto;
  gap: 64px;
}

body[data-stage='final'] .demo-section,
body[data-stage='final'] .demo-strip,
body[data-stage='final'] .demo-contact,
body[data-stage='final'] .final-carousel,
body[data-stage='final'] .feature-wall {
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
}

body[data-stage='final'] .demo-work {
  max-width: none;
  margin-left: -28px;
  margin-right: -28px;
  padding-left: 28px;
  padding-right: 28px;
}

body[data-stage='final'] .demo-work > * {
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
}

body[data-stage='final'] .main-project {
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.62fr);
  align-items: stretch;
  padding: 18px;
}

body[data-stage='final'] .project-visual {
  min-height: 420px;
}

body[data-stage='final'] .project-visual img {
  transform: scale(1.03);
  transition: transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

body[data-stage='final'] .main-project:hover .project-visual img {
  transform: scale(1.07);
}

body[data-stage='final'] .case-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

body[data-stage='final'] .case-row article {
  min-height: 160px;
  padding: 22px;
  border: 1px solid rgba(23, 25, 22, 0.13);
  border-radius: 8px;
  background: #ffffff;
  color: #171916;
}

body[data-stage='final'] .case-row span {
  display: block;
  margin-bottom: 12px;
  color: #496600;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body[data-stage='final'] .feature-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  padding: 0 0 78px;
}

body[data-stage='final'] .feature-wall article {
  display: grid;
  place-items: center;
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--accent);
  font-weight: 800;
}

.final-carousel {
  padding: 78px 0;
}

.carousel-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.carousel-heading h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 2.9rem);
  line-height: 1.04;
}

.carousel-shell {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  gap: 12px;
  align-items: stretch;
}

.carousel-track {
  position: relative;
  min-height: 240px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 420ms ease, transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.carousel-slide.active {
  opacity: 1;
  transform: translateX(0);
}

.carousel-slide span {
  color: var(--accent);
  font-weight: 800;
}

.carousel-slide strong {
  margin: 12px 0;
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  line-height: 1;
}

.carousel-slide p {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.7;
}

.carousel-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--card);
  cursor: pointer;
  font-size: 2rem;
  font-weight: 800;
}

.carousel-button:hover {
  color: #111111;
  background: var(--accent);
}

body[data-stage='final'] .final-reveal {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity 760ms cubic-bezier(0.22, 1, 0.36, 1), transform 760ms cubic-bezier(0.22, 1, 0.36, 1), background 760ms cubic-bezier(0.22, 1, 0.36, 1);
}

body[data-stage='final'] .final-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

body:not([data-stage='final']) .final-reveal {
  opacity: 1;
  transform: none;
}

[data-copy],
[data-copy-src],
.demo-grid article,
.main-project,
.demo-panel,
.demo-actions a,
.demo-contact a,
.stage-button,
.evolving-page,
.project-tags span {
  transition:
    background 760ms cubic-bezier(0.22, 1, 0.36, 1),
    color 760ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 760ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 760ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 360ms ease;
}

.is-switching .evolving-page [data-copy],
.is-switching .evolving-page .demo-grid article,
.is-switching .evolving-page .main-project {
  opacity: 0.22;
  transform: translateY(10px);
}

@keyframes comparison-flow {
  0% {
    opacity: 0.44;
    transform: translate(-50%, -50%) scale(0);
  }

  60% {
    opacity: 0.2;
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(5.8);
  }
}

@keyframes wobbly-pop {
  from {
    transform: translateY(0) rotate(-0.4deg);
  }

  to {
    transform: translateY(-8px) rotate(0.4deg);
  }
}

@media (max-width: 980px) {
  .demo-hero,
  body[data-stage='final'] .demo-hero,
  body[data-stage='animated'] .demo-hero,
  .section-heading.split,
  .main-project,
  body[data-stage='final'] .main-project,
  body[data-stage='animated'] .main-project,
  .demo-contact {
    grid-template-columns: 1fr;
  }

  .demo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .story-intro,
  .evolving-page {
    width: min(100% - 28px, 1560px);
  }

  .intro-nav,
  .demo-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .intro-copy h1 {
    font-size: 2.45rem;
  }

  .stage-controls {
    width: min(100% - 28px, 520px);
    overflow-x: auto;
    justify-content: flex-start;
  }

  .stage-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .stage-tabs {
    width: 100%;
    overflow-x: auto;
    gap: 6px;
  }

  .theme-switcher {
    width: 100%;
    justify-content: center;
    padding: 10px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .stage-button {
    min-width: 112px;
    padding: 0 12px;
  }

  .evolving-page {
    padding: 16px;
  }

  .demo-hero {
    min-height: auto;
    padding: 44px 0;
  }

  .demo-copy h2,
  .section-heading h2,
  .demo-contact h2 {
    font-size: 2rem;
  }

  .demo-actions,
  .demo-actions a,
  .demo-contact a {
    width: 100%;
  }

  .demo-actions a,
  .demo-contact a {
    justify-content: center;
  }

  .project-visual {
    min-height: 260px;
  }

  body[data-stage='final'] .evolving-page,
  body[data-stage='animated'] .evolving-page,
  .evolving-page {
    width: min(calc(100% - 24px), 1560px);
    padding: 14px;
  }

  body[data-stage='final'] .demo-hero,
  body[data-stage='animated'] .demo-hero {
    gap: 24px;
    max-width: none;
  }

  .demo-panel,
  .panel-card,
  .panel-line {
    width: 100%;
    min-width: 0;
  }

  .panel-line {
    align-items: flex-start;
    flex-direction: column;
  }

  body[data-stage='final'] .demo-work,
  .demo-work,
  .demo-contact {
    margin-left: -14px;
    margin-right: -14px;
    padding-left: 14px;
    padding-right: 14px;
  }

  .carousel-shell {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
  }

  body[data-stage='final'] .feature-wall,
  body[data-stage='final'] .case-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 360px) {
  .story-intro {
    width: min(calc(100% - 20px), 1560px);
  }

  .intro-copy h1 {
    font-size: 2.12rem;
  }

  .stage-controls {
    width: min(calc(100% - 20px), 520px);
  }

  .stage-button {
    min-width: 88px;
    padding: 0 8px;
    font-size: 0.86rem;
  }

  .demo-copy h2,
  .section-heading h2,
  .demo-contact h2 {
    font-size: 1.75rem;
  }

  .panel-card {
    min-height: 210px;
    padding: 18px;
  }

  .carousel-shell {
    grid-template-columns: 36px minmax(0, 1fr) 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }

  body.page-ready {
    transition: opacity 80ms ease !important;
  }

  .page-transition {
    transition: opacity 80ms ease !important;
  }
}