:root {
  --ink: #171923;
  --muted: #687083;
  --soft: #f7f8fc;
  --line: rgba(33, 38, 55, 0.09);
  --line-strong: rgba(33, 38, 55, 0.14);
  --violet: #6f66f6;
  --violet-dark: #554be2;
  --violet-soft: #efedff;
  --cyan-soft: #eaf8ff;
  --card-shadow: 0 2px 6px rgba(29, 33, 48, 0.025), 0 18px 48px rgba(39, 45, 70, 0.065);
  --card-shadow-hover: 0 4px 10px rgba(29, 33, 48, 0.035), 0 24px 60px rgba(39, 45, 70, 0.09);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Microsoft YaHei UI", "PingFang SC", Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 14px;
  width: min(calc(100% - 32px), var(--max));
  height: 62px;
  margin: 14px auto 0;
  padding: 0 14px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(32, 36, 52, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 32px rgba(31, 37, 58, 0.06);
  backdrop-filter: blur(18px) saturate(150%);
}

.brand,
.footer-brand,
.download-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand {
  font-size: 18px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-mark.large {
  width: 48px;
  height: 48px;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 7px;
}

.site-header nav a {
  padding: 9px 12px;
  color: #565e70;
  border-radius: 11px;
  font-size: 13px;
  transition: color 180ms ease, background-color 180ms ease;
}

.site-header nav a:hover {
  color: var(--ink);
  background: #f4f5f8;
}

.site-header nav .nav-login {
  margin-left: 5px;
  padding-inline: 16px;
  color: #fff;
  background: #1d202b;
  box-shadow: 0 5px 14px rgba(22, 24, 34, 0.13);
}

.site-header nav .nav-login:hover {
  color: #fff;
  background: #343846;
}

.hero {
  position: relative;
  width: min(calc(100% - 40px), var(--max));
  min-height: 810px;
  margin: 0 auto;
  padding: 132px 0 90px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 60px 0 auto;
  height: 600px;
  content: "";
  pointer-events: none;
  background-image: radial-gradient(rgba(107, 99, 238, 0.12) 0.8px, transparent 0.8px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 55% 52% at 50% 42%, #000 0%, transparent 76%);
  opacity: 0.42;
}

.hero-ambient {
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  filter: blur(12px);
  pointer-events: none;
  animation: ambient-drift 12s ease-in-out infinite alternate;
}

.ambient-one {
  width: 410px;
  height: 330px;
  top: 110px;
  left: 7%;
  background: radial-gradient(circle, rgba(126, 117, 255, 0.14), rgba(126, 117, 255, 0));
}

.ambient-two {
  width: 390px;
  height: 330px;
  top: 150px;
  right: 4%;
  background: radial-gradient(circle, rgba(95, 211, 255, 0.12), rgba(95, 211, 255, 0));
  animation-delay: -5s;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
}

.eyebrow,
.section-kicker,
.feature-index {
  color: var(--violet-dark);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 31px;
  margin: 0 0 24px;
  padding: 0 13px;
  border: 1px solid rgba(100, 91, 231, 0.15);
  border-radius: 999px;
  background: rgba(245, 244, 255, 0.76);
  box-shadow: 0 4px 16px rgba(74, 68, 153, 0.045);
}

.hero h1 {
  margin: 0;
  font-size: clamp(54px, 7vw, 94px);
  font-weight: 650;
  line-height: 0.99;
  letter-spacing: -0.075em;
}

.hero h1 em {
  color: transparent;
  background: linear-gradient(112deg, #8178ff 8%, #5f66df 44%, #5fb6d7 96%);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
}

.hero-lead {
  max-width: 620px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 31px;
}

.button {
  min-height: 51px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 680;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #786ff8, #5f57e8);
  box-shadow: 0 9px 22px rgba(89, 78, 221, 0.2);
}

.button-primary:hover {
  box-shadow: 0 13px 28px rgba(89, 78, 221, 0.27);
}

.button-primary small {
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
  font-weight: 550;
}

.button-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 6px 20px rgba(34, 40, 61, 0.055);
}

.button-ghost:hover {
  background: #fff;
  box-shadow: 0 10px 24px rgba(34, 40, 61, 0.08);
}

.hero-note {
  margin: 15px 0 0;
  color: #9aa0ad;
  font-size: 11px;
}

.studio-frame {
  position: relative;
  z-index: 3;
  width: min(100%, 1060px);
  margin: 72px auto 0;
  padding: 7px;
  border: 1px solid rgba(53, 57, 75, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 5px 18px rgba(37, 43, 66, 0.055), 0 35px 90px rgba(50, 58, 91, 0.11);
  backdrop-filter: blur(15px);
  text-align: left;
  animation: frame-float 7s ease-in-out infinite;
}

.studio-frame::after {
  position: absolute;
  z-index: -1;
  right: 10%;
  bottom: -34px;
  left: 10%;
  height: 50px;
  content: "";
  border-radius: 50%;
  background: rgba(60, 66, 95, 0.08);
  filter: blur(28px);
}

.window-bar {
  height: 43px;
  padding: 0 14px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: #777e8e;
  font-size: 10px;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d9dce4;
}

.window-dots i:first-child {
  background: #a9a5fa;
}

.window-state {
  justify-self: end;
  color: #8d93a1;
}

.studio-grid {
  min-height: 410px;
  display: grid;
  grid-template-columns: 175px minmax(330px, 1fr) 250px;
  overflow: hidden;
  border: 1px solid rgba(38, 43, 60, 0.08);
  border-radius: 18px;
  background: #fff;
}

.project-rail,
.agent-panel {
  padding: 22px 16px;
  background: #fafbfc;
}

.project-rail {
  border-right: 1px solid var(--line);
}

.project-rail strong,
.agent-title {
  display: block;
  margin: 0 7px 16px;
  color: #62697a;
  font-size: 10px;
  font-weight: 730;
}

.doc {
  width: 100%;
  padding: 10px 11px;
  border: 0;
  border-radius: 9px;
  color: #747b8a;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 11px;
}

.doc.active {
  color: #4840ca;
  background: #eeecff;
  box-shadow: inset 2px 0 #7168ee;
}

.project-count {
  display: block;
  margin: 18px 11px 0;
  color: #b0b4bd;
  font-size: 9px;
}

.paper {
  padding: 28px 38px;
  background: #fff;
}

.paper-meta {
  display: flex;
  justify-content: space-between;
  color: #a1a6b1;
  font-size: 9px;
}

.paper h2 {
  margin: 42px 0 24px;
  font-family: Georgia, "Songti SC", serif;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.paper p,
.paper blockquote {
  margin: 0 0 14px;
  color: #4f5665;
  font-family: Georgia, "Songti SC", serif;
  font-size: 12px;
  line-height: 1.9;
}

.paper blockquote {
  margin-left: 0;
  padding: 9px 14px;
  border-left: 2px solid #8178f3;
  background: #f8f7ff;
}

.paper .focus-line {
  color: #4941c8;
  background: linear-gradient(transparent 55%, #efedff 55%);
}

.agent-panel {
  border-left: 1px solid var(--line);
}

.agent-title {
  margin-inline: 0;
  display: flex;
  justify-content: space-between;
}

.agent-title b {
  color: #56a887;
  font-size: 9px;
}

.agent-title b::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 5px;
  content: "";
  border-radius: 50%;
  background: #67c49f;
  box-shadow: 0 0 0 4px rgba(103, 196, 159, 0.12);
  animation: soft-pulse 2.6s ease-in-out infinite;
}

.skill-label {
  margin-bottom: 9px;
  color: #a4a9b4;
  font-size: 9px;
}

.skill-chip {
  margin-bottom: 7px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #72798a;
  background: #fff;
  font-size: 9px;
  box-shadow: 0 3px 10px rgba(38, 42, 60, 0.035);
}

.skill-chip.accent {
  color: #5d54dc;
  border-color: rgba(112, 103, 237, 0.17);
  background: #f5f4ff;
}

.agent-message {
  margin-top: 19px;
  padding: 12px;
  border-radius: 10px 10px 3px 10px;
  color: #626979;
  background: #eef0f4;
  font-size: 9px;
  line-height: 1.65;
}

.agent-result {
  margin-top: 10px;
  padding: 13px;
  border: 1px solid rgba(114, 104, 236, 0.14);
  border-radius: 3px 10px 10px 10px;
  color: #746beb;
  background: #fff;
  font-size: 9px;
  box-shadow: 0 6px 18px rgba(73, 65, 155, 0.055);
}

.agent-result i {
  display: inline-block;
  width: 3px;
  height: 3px;
  margin-left: 4px;
  border-radius: 50%;
  background: #8178f3;
  animation: dot-wave 1.2s ease-in-out infinite;
}

.agent-result i:nth-child(3) { animation-delay: 120ms; }
.agent-result i:nth-child(4) { animation-delay: 240ms; }

.agent-input {
  margin-top: 55px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: #b0b4bd;
  background: #fff;
  font-size: 8px;
}

.section-pad {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.statement {
  max-width: 850px;
  padding: 142px 0 80px;
  text-align: center;
}

.section-kicker {
  margin: 0 0 19px;
}

.statement h2,
.skills-copy h2,
.details-heading h2,
.download-copy h2 {
  margin: 0;
  font-size: clamp(36px, 4.5vw, 61px);
  font-weight: 610;
  line-height: 1.12;
  letter-spacing: -0.055em;
}

.statement > p:last-child {
  max-width: 650px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.feature-showcase {
  padding: 35px 0 150px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.feature,
.skill-card,
.detail-grid article,
.download-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--card-shadow);
  transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}

.feature:hover,
.skill-card:hover,
.detail-grid article:hover,
.download-card:hover {
  transform: translateY(-3px);
  border-color: rgba(94, 87, 202, 0.15);
  box-shadow: var(--card-shadow-hover);
}

.feature {
  position: relative;
  min-height: 455px;
  padding: 48px;
  overflow: hidden;
  border-radius: 26px;
  background-image: radial-gradient(circle at 90% 0%, rgba(121, 112, 248, 0.07), transparent 35%);
}

.feature-wide {
  min-height: 445px;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
  gap: 50px;
}

.feature h3 {
  margin: 20px 0 18px;
  font-size: clamp(29px, 3vw, 43px);
  font-weight: 620;
  line-height: 1.18;
  letter-spacing: -0.05em;
}

.feature p,
.skills-copy > p:last-of-type,
.download-copy > p:last-child {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.flow-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.flow-demo > span {
  color: #c3c6ce;
  font-size: 18px;
}

.flow-card {
  width: 150px;
  padding: 24px 18px;
  border: 1px solid var(--line);
  border-radius: 17px;
  color: #595f6d;
  background: #fff;
  box-shadow: 0 4px 15px rgba(36, 42, 61, 0.04);
  font-size: 13px;
  font-weight: 700;
}

.flow-card small {
  display: block;
  margin-top: 9px;
  color: #9ca1ad;
  font-size: 9px;
  font-weight: 500;
  line-height: 1.55;
}

.flow-card.active {
  border-color: rgba(103, 94, 231, 0.18);
  color: #554cdf;
  background: linear-gradient(145deg, #fff, #f3f2ff);
  box-shadow: 0 12px 30px rgba(90, 80, 214, 0.11);
  transform: translateY(-7px);
}

.diff-demo {
  margin-top: 54px;
  padding: 18px;
  border: 1px solid rgba(40, 44, 59, 0.07);
  border-radius: 18px;
  background: #fafbfc;
}

.diff-demo p {
  margin: 0;
  padding: 15px 16px;
  border-radius: 11px;
  font-size: 12px;
}

.diff-demo .removed {
  color: #a2a7b2;
  text-decoration: line-through;
}

.diff-demo .added {
  color: #4e46ce;
  background: #f0efff;
  box-shadow: 0 5px 15px rgba(79, 69, 198, 0.06);
}

.memory-demo {
  margin-top: 50px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.memory-demo span {
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #686f7f;
  background: #fff;
  box-shadow: 0 4px 12px rgba(36, 42, 61, 0.035);
  font-size: 11px;
}

.skills-section {
  position: relative;
  padding: 135px 70px;
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 95px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(135deg, #fbfbff 0%, #fff 48%, #f7fbff 100%);
  box-shadow: 0 2px 8px rgba(35, 40, 58, 0.02), 0 35px 90px rgba(47, 54, 84, 0.06);
}

.skills-section::before {
  position: absolute;
  width: 430px;
  height: 430px;
  top: -240px;
  right: -80px;
  content: "";
  border-radius: 50%;
  background: rgba(114, 105, 238, 0.08);
  filter: blur(5px);
}

.skills-copy {
  position: relative;
}

.skills-copy h2 {
  font-size: clamp(35px, 4.1vw, 54px);
}

.skills-copy > p:last-of-type {
  margin: 25px 0 28px;
}

.skills-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skills-copy li {
  position: relative;
  margin: 13px 0;
  padding-left: 25px;
  color: #596172;
  font-size: 13px;
}

.skills-copy li::before {
  position: absolute;
  left: 0;
  top: 1px;
  width: 15px;
  height: 15px;
  display: grid;
  place-items: center;
  content: "✓";
  color: #655ce5;
  border-radius: 50%;
  background: #ebe9ff;
  font-size: 9px;
  font-weight: 800;
}

.skill-stack {
  position: relative;
  display: grid;
  gap: 11px;
}

.skill-card {
  min-height: 84px;
  padding: 17px 19px;
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  border-radius: 16px;
}

.skill-card b {
  grid-row: 1 / 3;
  color: #aaaeba;
  font-size: 11px;
}

.skill-card span {
  font-size: 13px;
  font-weight: 700;
}

.skill-card small {
  margin-top: 4px;
  color: #969ba7;
  font-size: 10px;
}

.skill-card.active {
  border-color: rgba(103, 94, 230, 0.2);
  background: linear-gradient(110deg, #fff, #f1efff);
  box-shadow: 0 4px 12px rgba(75, 65, 174, 0.04), 0 20px 45px rgba(79, 68, 190, 0.1);
  transform: translateX(-13px);
}

.skill-card.active:hover {
  transform: translate(-13px, -3px);
}

.skill-card.active b,
.skill-card.active span {
  color: #584fda;
}

.details {
  padding: 155px 0 130px;
}

.details-heading {
  max-width: 720px;
  margin-bottom: 55px;
}

.details-heading h2 {
  font-size: clamp(37px, 4.5vw, 57px);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.detail-grid article {
  min-height: 220px;
  padding: 28px;
  border-radius: 20px;
}

.detail-grid article > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #6259e6;
  border: 1px solid rgba(104, 95, 231, 0.13);
  border-radius: 12px;
  background: #f4f3ff;
  font-size: 15px;
}

.detail-grid h3 {
  margin: 28px 0 10px;
  font-size: 18px;
  letter-spacing: -0.03em;
}

.detail-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.download-section {
  margin-bottom: 100px;
  padding: 90px 85px;
  display: grid;
  grid-template-columns: 1fr 430px;
  align-items: center;
  gap: 95px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: radial-gradient(circle at 0 100%, rgba(113, 103, 238, 0.09), transparent 38%), #fafbfe;
}

.download-copy h2 {
  font-size: clamp(38px, 4.8vw, 62px);
}

.download-copy > p:last-child {
  max-width: 520px;
  margin-top: 24px;
}

.download-card {
  padding: 25px;
  border-radius: 21px;
}

.download-brand strong,
.download-brand small {
  display: block;
}

.download-brand strong {
  font-size: 16px;
}

.download-brand small {
  margin-top: 4px;
  color: #969ca9;
  font-size: 10px;
}

.download-meta {
  margin: 23px 0 14px;
  display: flex;
  gap: 7px;
}

.download-meta span {
  padding: 7px 9px;
  border-radius: 8px;
  color: #747b89;
  background: #f3f4f7;
  font-size: 9px;
}

.button.full {
  width: 100%;
}

.portable-link {
  margin-top: 13px;
  display: block;
  color: #655ce3;
  text-align: center;
  font-size: 11px;
}

.portable-link:hover {
  text-decoration: underline;
}

.download-tip {
  margin: 19px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: #a0a5af;
  font-size: 9px;
  line-height: 1.65;
}

footer {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 65px 0 35px;
  display: grid;
  grid-template-columns: 1fr 1.45fr;
  gap: 60px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  align-self: start;
}

.footer-brand strong {
  font-size: 15px;
}

.footer-brand p {
  margin: 5px 0 0;
  color: #9a9faa;
  font-size: 11px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: #8a909d;
  font-size: 10px;
}

.footer-links strong {
  margin-bottom: 4px;
  color: #4e5564;
  font-size: 11px;
}

.footer-links a:hover {
  color: var(--violet-dark);
}

.copyright {
  grid-column: 1 / -1;
  margin: 35px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #adb1ba;
  font-size: 9px;
}

.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 720ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 720ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.motion-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.motion-ready .skill-card.active.is-visible {
  transform: translateX(-13px);
}

@keyframes ambient-drift {
  from { transform: translate3d(-14px, -8px, 0) scale(0.96); }
  to { transform: translate3d(18px, 13px, 0) scale(1.05); }
}

@keyframes frame-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes soft-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(103, 196, 159, 0.1); }
  50% { box-shadow: 0 0 0 6px rgba(103, 196, 159, 0.03); }
}

@keyframes dot-wave {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-2px); }
}

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .studio-grid { grid-template-columns: 145px minmax(300px, 1fr); }
  .agent-panel { display: none; }
  .feature-wide { grid-template-columns: 1fr; }
  .skills-section { padding: 90px 45px; gap: 50px; }
  .download-section { grid-template-columns: 1fr 390px; gap: 45px; padding: 70px 50px; }
}

@media (max-width: 760px) {
  .site-header { top: 8px; width: calc(100% - 16px); margin-top: 8px; }
  .site-header nav > a:not(.nav-login) { display: none; }
  .hero { width: calc(100% - 28px); padding: 100px 0 70px; }
  .hero h1 { font-size: clamp(50px, 15vw, 69px); }
  .hero-lead { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .studio-frame { margin-top: 55px; overflow: hidden; }
  .window-bar { grid-template-columns: 1fr 1fr; }
  .window-bar > span:nth-child(2) { display: none; }
  .studio-grid { grid-template-columns: 1fr; min-height: 390px; }
  .project-rail { display: none; }
  .paper { padding: 24px; }
  .section-pad { width: calc(100% - 28px); }
  .statement { padding: 105px 0 65px; }
  .statement h2, .skills-copy h2, .details-heading h2, .download-copy h2 { font-size: 39px; }
  .feature-showcase { grid-template-columns: 1fr; padding-bottom: 100px; }
  .feature { min-height: auto; padding: 32px 25px; border-radius: 21px; }
  .feature-wide { grid-column: auto; }
  .flow-demo { margin-top: 20px; gap: 7px; }
  .flow-card { width: 33%; padding: 16px 8px; font-size: 10px; }
  .flow-demo > span { font-size: 12px; }
  .skills-section { padding: 75px 23px; grid-template-columns: 1fr; border-radius: 25px; }
  .skill-card.active { transform: none; }
  .skill-card.active:hover { transform: translateY(-3px); }
  .motion-ready .skill-card.active.is-visible { transform: none; }
  .details { padding: 105px 0 90px; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-grid article { min-height: 185px; }
  .download-section { margin-bottom: 70px; padding: 70px 22px 22px; grid-template-columns: 1fr; gap: 40px; border-radius: 25px; }
  footer { width: calc(100% - 28px); grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}