:root {
  color-scheme: light;
  --surface: #fafbfd;
  --text: #1f2b3c;
  --muted: #48566a;
  --accent: #2455a2;
  --accent-soft: #eaf1fc;
  --border: #d3dce7;
  --glass: rgb(255 255 255 / 58%);
  --glass-edge: rgb(255 255 255 / 95%);
  --glass-sheen: linear-gradient(125deg, #ffffffa8, #ffffff0a 38%, #ffffff00 65%, #ffffff73);
  --shadow: 0 18px 35px -20px #243b5b4d, 0 4px 8px -3px #37516d20, 0 0 0 1px #9cabb735;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Cascadia Code", Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--text); font: 16px/1.8 var(--font); background: linear-gradient(180deg, #fff 0, #fff 650px, #f7f9fc 1250px, #fff 2100px); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: #c7dcfa; color: #192d46; }
.container { width: min(1240px, calc(100% - 80px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 20; top: 10px; left: 16px; background: var(--text); color: #fff; padding: 12px 18px; border-radius: 12px; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
/* Readable opaque fallback; only surfaces, never text, receive translucency. */
.site-header, .floating-label, .project-card, .step, .notice, .glass-window {
  background: #fcfdff;
  border: 1px solid var(--glass-edge);
  box-shadow: var(--shadow), inset 0 2px 1px #fff, inset 0 -2px 2px #61788e30;
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header, .floating-label, .project-card, .step, .notice {
    background: var(--glass-sheen), var(--glass);
    -webkit-backdrop-filter: blur(16px) saturate(115%);
    backdrop-filter: blur(16px) saturate(115%);
  }
  .glass-window { background: var(--glass-sheen), #f5faff26; -webkit-backdrop-filter: blur(5px) saturate(115%); backdrop-filter: blur(5px) saturate(115%); }
}
.site-header { display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 5; min-height: 88px; gap: 24px; padding: 16px 24px; border-radius: 24px; }
.site-header.container { margin-top: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { filter: drop-shadow(0 5px 5px #37659a29); }
.brand strong { display: block; font-size: 24px; font-weight: 650; line-height: 1.25; letter-spacing: -.6px; }
.brand-dot { color: #3c72bb; }
.brand-subtitle { display: block; font-size: 12px; letter-spacing: .06em; color: var(--muted); margin-top: 3px; }
.desktop-nav { display: flex; gap: 32px; margin-left: auto; margin-right: 20px; font-size: 16px; font-weight: 500; }
.desktop-nav a { padding-block: 10px; }
.desktop-nav a:hover, .footer-group a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.header-cta { display: flex; gap: 18px; align-items: center; padding: 9px 18px; border: 1px solid #ccd8e9; border-radius: 30px; background: linear-gradient(150deg, #fff, #eaf1fc); color: var(--accent); box-shadow: inset 0 1px 0 #fff, 0 4px 7px #3a588317; font-size: 15px; font-weight: 600; }
.header-cta:hover { background: #e8f0fb; }
.mobile-nav { display: none; }
.hero { display: grid; grid-template-columns: .96fr 1.04fr; align-items: center; gap: 42px; padding-block: 38px 34px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { color: var(--accent); font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.small-node { width: 7px; height: 7px; flex-shrink: 0; border-radius: 50%; background: #3976bd; box-shadow: 0 0 0 4px #e6f0fb; }
h1 { font-size: clamp(44px, 4.1vw, 58px); font-weight: 600; letter-spacing: .01em; line-height: 1.25; color: #1f3046; }
h1 > span { display: block; }
h1 > span + span { margin-top: 5px; }
.hero-description { font-size: 18px; line-height: 1.85; color: var(--muted); margin-top: 23px; max-width: 490px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 27px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; padding: 12px 24px; border: 1px solid transparent; border-radius: 30px; min-height: 52px; font-size: 16px; font-weight: 600; transition: transform .18s, box-shadow .18s; }
.button-primary { background: linear-gradient(145deg, #3567ad, #234b85); border-color: #345d93; color: #fff; box-shadow: inset 0 1px 1px #ffffff9c, inset 0 -2px 2px #14336475, 0 7px 15px -5px #2a568055; }
.button-secondary { background: linear-gradient(145deg, #fff, #ffffff59 55%, #e8eff680); border-color: #c7d2df; box-shadow: inset 0 2px 1px #fff, inset 0 -2px 2px #6b839e30, 0 7px 15px -7px #29496b45; }
.button:hover { transform: translateY(-2px); }
.hero-signature { display: flex; align-items: center; gap: 10px; margin-top: 23px; font-size: 14px; color: var(--muted); }
.signature-rule { height: 1px; width: 22px; background: #8598af; }
/* Objects behind the window establish visible transmission; the text stays on top. */
.hero-art { position: relative; min-width: 0; min-height: 475px; display: grid; align-content: center; padding: 32px 28px 36px; }
.scene-background { position: absolute; inset: 0; pointer-events: none; }
.wafer-ring { position: absolute; width: 56%; aspect-ratio: 1; right: 8%; top: 4%; border: 25px solid #aac8e6; border-radius: 50%; background: transparent; box-shadow: inset 5px 4px 7px #4e719154, inset -6px -7px 10px #ffffffde, 8px 19px 24px -12px #51749970, -3px -4px 3px #f6fbff; transform: rotate(-24deg) scaleY(.84); }
.wafer-ring::after { content: ""; position: absolute; inset: -18px; border-radius: 50%; border: 2px solid #f5fbffb8; }
.copper-orb { position: absolute; left: 0; bottom: 11%; width: 30%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 29% 22%, #fff5e3 0, #edcfaa 23%, #cc9562 57%, #a3684275 77%, #f6dfbb 100%); box-shadow: inset -7px -9px 15px #8d56332e, 12px 21px 24px -16px #946e4d87; }
.scene-grid { position: absolute; inset: 23% 7% 6%; border-radius: 26px; background: repeating-linear-gradient(0deg, transparent 0 31px, #6486a52e 31px 32px), repeating-linear-gradient(90deg, transparent 0 31px, #6486a52e 31px 32px); transform: perspective(600px) rotateX(28deg) rotateZ(-7deg); }
.glass-window { position: relative; z-index: 1; border-radius: 30px; transform: rotate(-5deg); padding: 18px 20px 16px; box-shadow: 13px 27px 32px -16px #324c705e, 0 6px 9px -4px #344f6d66, 0 0 0 1px #7895b366, inset 0 3px 2px #fff, inset 3px 0 3px #ffffffeb, inset -3px -4px 3px #7295b14d; }
.glass-window::after { content: ""; position: absolute; inset: 5px; border: 1px solid #ffffffbd; border-bottom-color: #7f9bb04d; border-right-color: #7f9bb033; border-radius: 25px; pointer-events: none; }
.window-heading { display: flex; align-items: center; gap: 9px; color: #263e59; font-size: 14px; font-weight: 600; }
.window-dot { width: 8px; height: 8px; border-radius: 50%; background: #3e6fa7; box-shadow: 0 0 0 3px #ffffffa6; }
.window-index { margin-left: auto; font-family: var(--mono); color: #3b536c; }
.glass-chip { width: 100%; margin-block: -15px -18px; }
.window-caption { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 12px; font-weight: 600; color: #283e57; }
.window-caption > span { font-weight: 400; }
.floating-label { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 12px 17px 12px 12px; border-radius: 20px; }
.floating-label b { font-size: 15px; font-weight: 600; }
.label-circuit { top: 7%; right: 0; transform: rotate(4deg); }
.label-api { bottom: 4%; left: 3%; transform: rotate(3deg); }
.label-icon { display: grid; place-items: center; width: 38px; height: 38px; background: linear-gradient(145deg, #f4faff, #cbdff4); box-shadow: inset 0 2px 1px #fff, inset 0 -2px 2px #5480a64a; border-radius: 11px; color: #2c5d96; font: 25px var(--mono); }
.label-api .label-icon { background: linear-gradient(145deg, #fff7ee, #f0ceb1); color: #825136; font-size: 18px; }
.principles-strip { display: flex; align-items: center; gap: 44px; padding-block: 20px; border-block: 1px solid var(--border); font-size: 15px; color: #3f526b; }
.principles-strip > span { display: flex; align-items: center; gap: 11px; }
.principles-strip b { font: 12px var(--mono); color: #2b5488; padding: 5px 7px; border: 1px solid #d4e0ed; border-radius: 8px; background: #edf3fb; }
.principles-strip > span:nth-child(2) b { color: #315e64; background: #edf5f5; }
.principles-strip > span:nth-child(3) b { color: #855338; background: #fbf0e5; }
.section { padding-block: 52px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 25px; margin-bottom: 28px; }
.section-heading .eyebrow { margin-bottom: 7px; }
h2 { font-size: 32px; font-weight: 600; line-height: 1.45; }
.section-intro { font-size: 16px; color: var(--muted); line-height: 1.8; }
.projects-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.project-card { position: relative; display: flex; flex-direction: column; min-width: 0; border-radius: 28px; padding: 9px; transition: transform .2s, box-shadow .2s; }
.project-card::after { content: ""; position: absolute; inset: 4px; border: 1px solid #ffffffbf; border-bottom-color: #9eafbf4d; border-radius: 24px; pointer-events: none; }
.project-visual { position: relative; height: 270px; overflow: hidden; border-radius: 21px; background: linear-gradient(135deg, #edf4fa, #cbdfee 65%, #e6f1f5); border: 1px solid #ffffffbf; }
.project-ai .project-visual { background: linear-gradient(135deg, #fbf3e9, #ecdac9 65%, #f2edf7); }
.visual-label { position: absolute; z-index: 1; top: 15px; left: 17px; right: 17px; display: flex; justify-content: space-between; align-items: center; gap: 8px; color: #304965; font-size: 13px; }
.visual-label > span:last-child { background: #ffffffd9; border: 1px solid #fff; border-radius: 20px; padding: 3px 10px; font-size: 12px; box-shadow: 0 3px 7px #38516f20; }
.project-visual img { width: 100%; height: 100%; object-fit: contain; padding: 36px 0 17px; transform: perspective(900px) rotateY(-8deg) rotateZ(-3deg); filter: drop-shadow(7px 14px 8px #3e587343); }
.project-ai .project-visual img { transform: perspective(900px) rotateY(8deg) rotateZ(3deg); }
.visual-caption { position: absolute; bottom: 8px; right: 14px; font-size: 12px; color: #3d4e64; }
.project-copy { padding: 22px 23px 2px; display: flex; flex-direction: column; flex: 1; }
.project-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.project-heading h3 { font-size: 27px; font-weight: 600; letter-spacing: -.4px; }
.card-arrow { display: grid; place-items: center; flex-shrink: 0; width: 38px; height: 38px; border: 1px solid #c9d8e7; border-radius: 50%; background: linear-gradient(135deg, #fff, #e6effa); box-shadow: inset 0 2px 0 #fff, 0 4px 7px #324e771f; color: var(--accent); font-size: 22px; }
.project-ai .card-arrow { background: linear-gradient(135deg, #fff, #f5e6d9); color: #885138; }
.project-summary { font-size: 18px; margin-top: 8px; font-weight: 500; }
.project-description { font-size: 16px; color: var(--muted); line-height: 1.8; margin-top: 13px; }
.project-note { font-size: 14px; color: var(--muted); padding-block: 18px; }
.project-action { margin-top: auto; padding-block: 17px 14px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 5px 12px; color: var(--accent); font-size: 15px; font-weight: 500; }
.project-action > span:last-child { color: var(--muted); font: 12px/1.6 var(--mono); overflow-wrap: anywhere; }
.section-footnote { color: var(--muted); font-size: 14px; margin-top: 23px; display: flex; align-items: baseline; gap: 8px; }
.start-section { padding-block: 9px 18px; }
.start-layout { display: grid; grid-template-columns: .85fr 1.25fr; gap: 48px; padding: 38px; border: 1px solid #cfdce8; border-radius: 30px; background: linear-gradient(135deg, #eef3f8, #fff 50%, #edf4f5); box-shadow: inset 0 2px 0 #fff, 0 10px 20px -12px #3e5b7733; }
.start-intro { padding-top: 6px; }
.start-intro .eyebrow { margin-bottom: 13px; }
.start-intro h2 { font-size: 28px; }
.start-intro > p:not(.eyebrow) { color: var(--muted); font-size: 16px; margin-top: 18px; }
.start-symbol { display: flex; align-items: center; gap: 14px; margin-top: 29px; }
.start-symbol span { display: grid; place-items: center; width: 49px; height: 49px; border: 1px solid #fff; border-radius: 15px; background: linear-gradient(135deg, #fff, #d7e5f4); box-shadow: inset 0 2px 1px #fff, inset 0 -2px 2px #7a98b755, 6px 9px 10px -5px #44658152; color: #315986; font: 28px var(--mono); transform: rotate(-8deg); }
.start-symbol span:nth-child(2) { width: 62px; height: 62px; font-size: 38px; background: linear-gradient(135deg, #fff, #d5e9e9); color: #31686e; transform: rotate(8deg); }
.start-symbol span:last-child { background: linear-gradient(135deg, #fff, #efdac9); color: #875b3b; transform: rotate(12deg); }
.steps { display: flex; flex-direction: column; gap: 18px; }
.step { display: flex; gap: 18px; padding: 24px; border-radius: 22px; }
.step-number { font: 14px var(--mono); color: var(--accent); padding-top: 5px; }
.step-kicker { color: var(--muted); font-size: 12px; letter-spacing: .04em; }
.step h3 { font-size: 20px; font-weight: 600; margin-top: 3px; }
.step p { font-size: 16px; color: var(--muted); margin-top: 8px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; padding-block: 9px; min-height: 44px; margin-top: 9px; color: var(--accent); font-size: 15px; font-weight: 500; text-decoration: underline; text-decoration-color: #8aa8d2; text-underline-offset: 5px; }
.text-link:hover { text-decoration-color: var(--accent); }
.about-section { display: grid; grid-template-columns: .85fr 1.25fr; gap: 80px; }
.about-heading .eyebrow { margin-bottom: 15px; }
.signature { font: italic 30px Georgia, serif; color: #3f5875; margin-top: 25px; }
.signature span { display: block; color: var(--muted); font: 14px var(--font); margin-top: 12px; }
.about-copy .about-lead { font-size: 25px; font-weight: 500; color: var(--text); margin: 0 0 15px; }
.about-copy > p { font-size: 16px; color: var(--muted); margin-top: 14px; line-height: 1.9; }
.notice { display: flex; align-items: flex-start; gap: 17px; padding: 24px 27px; border-radius: 22px; margin-bottom: 48px; }
.notice-symbol { flex-shrink: 0; display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid #778ca6; border-radius: 50%; font: italic 15px Georgia, serif; color: var(--accent); margin-top: 3px; }
.notice h2 { font-size: 17px; margin-bottom: 7px; }
.notice p { max-width: 920px; font-size: 14px; line-height: 1.9; color: var(--muted); }
.site-footer { background: #f4f7fa; border-top: 1px solid var(--border); padding-top: 38px; }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 33px; }
.footer-brand .brand strong { font-size: 23px; }
.footer-brand p { font-size: 15px; color: var(--muted); margin-top: 18px; }
.footer-group { display: flex; flex-direction: column; align-items: flex-start; }
.footer-group h3 { font-size: 16px; font-weight: 600; margin-bottom: 9px; }
.footer-group a { font-size: 15px; color: var(--muted); padding-block: 9px; }
.footer-note { color: var(--muted); font-size: 13px; margin-top: 7px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 9px 22px; padding-block: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.footer-bottom a { color: var(--accent); }
@media (hover: hover) and (pointer: fine) {
  .project-card:hover { transform: translateY(-4px); box-shadow: 0 22px 36px -18px #314c7452, 0 0 0 1px #879caf66, inset 0 2px 1px #fff, inset 0 -2px 2px #61788e30; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 56px); }
  .desktop-nav { gap: 20px; margin-right: 0; font-size: 15px; }
  .site-header { gap: 18px; padding-inline: 20px; }
  .hero { gap: 25px; }
  .hero-description { font-size: 17px; }
  .hero-art { min-height: 425px; padding-inline: 19px; }
  .button { padding-inline: 20px; gap: 15px; }
  .glass-window { padding-inline: 16px; }
  .window-caption > span { display: none; }
  .floating-label { padding: 9px 12px 9px 9px; gap: 8px; }
  .floating-label b { font-size: 14px; }
  .label-icon { width: 32px; height: 32px; }
  .start-layout { gap: 28px; padding: 30px; }
  .about-section { gap: 50px; }
  .footer-main { gap: 23px; }
}
@media (max-width: 900px) {
  .desktop-nav, .header-cta { display: none; }
  .mobile-nav { display: block; font-size: 16px; }
  .mobile-nav summary { display: flex; align-items: center; gap: 14px; padding: 10px 7px; cursor: pointer; list-style: none; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav[open] summary { color: var(--accent); }
  .mobile-nav[open] summary span { transform: rotate(45deg); }
  .mobile-nav nav { position: absolute; top: calc(100% + 9px); right: 0; z-index: 5; width: 240px; padding: 10px; background: #fcfdff; border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 13px 25px #263e6533; }
  .mobile-nav nav a { display: block; border-radius: 12px; padding: 11px 15px; }
  .mobile-nav nav a:hover { background: var(--accent-soft); }
  .hero { gap: 20px; }
  h1 { font-size: 43px; }
  .hero-description { font-size: 16px; }
  .hero-description br { display: none; }
  .hero-art { min-height: 370px; padding-inline: 12px; }
  .window-heading { font-size: 12px; }
  .window-index { display: none; }
  .floating-label b { font-size: 13px; }
  .label-circuit { top: 8%; }
  .label-api { bottom: 7%; }
  .project-copy { padding-inline: 16px; }
  .visual-label { left: 12px; right: 12px; font-size: 12px; }
  .visual-label > span:last-child { display: none; }
  .start-layout { grid-template-columns: .8fr 1.2fr; gap: 24px; padding: 26px; }
  .start-intro h2 { font-size: 25px; }
  .step { padding: 21px 18px; gap: 13px; }
}
@media (max-width: 700px) {
  .container { width: calc(100% - 36px); }
  .site-header { min-height: 79px; border-radius: 21px; padding: 12px 15px; }
  .brand { gap: 10px; }
  .brand strong { font-size: 21px; }
  .brand img { width: 36px; height: 36px; }
  .brand-subtitle { font-size: 11px; }
  .hero { grid-template-columns: 1fr; gap: 8px; padding-block: 29px 22px; }
  .hero-copy { padding-inline: 3px; }
  .eyebrow { font-size: 14px; margin-bottom: 15px; }
  h1 { font-size: clamp(38px, 10.8vw, 52px); }
  .hero-description { font-size: 16px; line-height: 1.8; margin-top: 20px; max-width: 500px; }
  .hero-actions { gap: 11px; margin-top: 23px; }
  .button { padding: 12px 21px; font-size: 15px; gap: 17px; }
  .hero-signature { font-size: 14px; margin-top: 20px; }
  .hero-art { width: 100%; max-width: 520px; min-height: 365px; justify-self: center; padding: 36px 20px; }
  .window-heading { font-size: 13px; }
  .window-index { display: inline; }
  .wafer-ring { top: 5%; border-width: 20px; }
  .wafer-ring::after { inset: -14px; }
  .copper-orb { bottom: 13%; }
  .glass-window { border-radius: 24px; padding: 16px; }
  .glass-window::after { border-radius: 20px; }
  .floating-label { border-radius: 16px; }
  .floating-label b { font-size: 14px; }
  .label-circuit { top: 6%; right: 1%; }
  .label-api { bottom: 5%; left: 1%; }
  .principles-strip { flex-wrap: wrap; gap: 12px 19px; padding-block: 17px; font-size: 14px; }
  .principles-strip > span { gap: 8px; }
  .principles-strip b { font-size: 11px; padding: 3px 5px; }
  .section { padding-block: 37px; }
  .section-heading { display: block; margin-bottom: 23px; }
  h2 { font-size: 28px; }
  .section-intro { margin-top: 11px; font-size: 15px; }
  .projects-grid { grid-template-columns: 1fr; gap: 26px; }
  .project-visual { height: 250px; }
  .visual-label { font-size: 13px; left: 15px; right: 15px; }
  .project-heading h3 { font-size: 25px; }
  .project-summary { font-size: 17px; }
  .project-description { font-size: 16px; }
  .project-copy { padding: 18px 16px 2px; }
  .project-action { font-size: 15px; }
  .section-footnote { font-size: 14px; }
  .start-layout, .about-section { grid-template-columns: 1fr; gap: 25px; }
  .start-layout { padding: 25px 19px; border-radius: 25px; }
  .start-intro h2 { font-size: 26px; }
  .start-intro > p:not(.eyebrow) { font-size: 16px; margin-top: 13px; }
  .start-symbol { display: none; }
  .step { padding: 22px 18px; }
  .step h3 { font-size: 20px; }
  .step p { font-size: 16px; }
  .about-copy .about-lead { font-size: 24px; }
  .notice { padding: 21px 18px; gap: 12px; margin-bottom: 38px; }
  .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom > span:first-child { width: 100%; }
  .footer-bottom a { margin-left: auto; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 28px); }
  .brand strong { font-size: 19px; }
  .brand img { width: 32px; height: 32px; }
  .brand { gap: 7px; }
  .site-header { padding-inline: 12px; gap: 12px; }
  .mobile-nav summary { gap: 8px; }
  .button { padding-inline: 15px; gap: 10px; }
  .hero-art { min-height: 330px; padding-inline: 16px; }
  .window-heading, .window-caption { font-size: 12px; }
  .window-index { display: none; }
  .floating-label b { font-size: 13px; }
  .label-icon { width: 28px; height: 28px; }
  .project-heading h3 { font-size: 23px; }
}
/* One pointer layer per surface; no interaction semantics are added to static text. */
:where([data-motion]) {
  position: relative;
  --motion-rx: 0deg;
  --motion-ry: 0deg;
  --motion-tx: 0px;
  --motion-ty: 0px;
  --motion-lift: 0px;
  --motion-mx: 50%;
  --motion-my: 50%;
  --motion-tailx: 50%;
  --motion-taily: 50%;
  --motion-energy: 0;
  --motion-bend: 0px;
  --motion-stretch: 0;
  --motion-base: rotate(0deg);
}
.glass-window[data-motion] { --motion-base: rotate(-5deg); }
.label-circuit[data-motion] { --motion-base: rotate(4deg); }
.label-api[data-motion] { --motion-base: rotate(3deg); }
.wafer-ring[data-motion] { --motion-base: rotate(-24deg) scaleY(.84); }
.scene-grid[data-motion] { --motion-base: perspective(600px) rotateX(28deg) rotateZ(-7deg); }
.project-visual img[data-motion] { --motion-base: perspective(900px) rotateY(-8deg) rotateZ(-3deg); }
.project-ai .project-visual img[data-motion] { --motion-base: perspective(900px) rotateY(8deg) rotateZ(3deg); }
.start-symbol > span[data-motion] { --motion-base: rotate(-8deg); }
.start-symbol > span:nth-child(2)[data-motion] { --motion-base: rotate(8deg); }
.start-symbol > span:last-child[data-motion] { --motion-base: rotate(12deg); }
.pointer-light {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: var(--motion-energy);
  background: radial-gradient(160px circle at var(--motion-mx) var(--motion-my), #ffffff47, #7fb9ea12 50%, transparent 75%);
  box-shadow: inset 0 0 0 1px #b3cbe980, inset 0 2px 3px #ffffffdb;
}
.pointer-light::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(90px circle at var(--motion-tailx) var(--motion-taily), #93c7e52b, #ffffff1a 55%, transparent 80%); }
.button-primary > .pointer-light { background: radial-gradient(110px circle at var(--motion-mx) var(--motion-my), #ffffff0a, transparent 70%); }
.button-primary > .pointer-light::after { background: radial-gradient(80px circle at var(--motion-tailx) var(--motion-taily), #ffffff05, transparent 70%); }
.principles-strip > span { padding: 8px 12px; margin-block: -8px; border: 1px solid transparent; border-radius: 14px; }
.principles-strip > span.is-motion-driven { background: #ffffffb3; border-color: #d8e2ee; box-shadow: 0 8px 15px -10px #31567c66, inset 0 1px 0 #fff; }
.desktop-nav a[data-motion], .footer-group a[data-motion], .footer-bottom a[data-motion], .text-link[data-motion], .brand[data-motion] { border-radius: 10px; }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  [data-motion].is-motion-driven {
    transform: perspective(900px) translate3d(var(--motion-tx), calc(var(--motion-ty) + var(--motion-lift)), 0) rotateX(var(--motion-rx)) rotateY(var(--motion-ry)) var(--motion-base) scale(calc(1 + var(--motion-stretch)), calc(1 - var(--motion-stretch)));
    transition: none;
    will-change: transform;
  }
  [data-motion="control"].is-motion-driven, [data-motion="ornament"].is-motion-driven, [data-motion="scene"].is-motion-driven {
    border-radius: calc(var(--motion-radius, 20px) + var(--motion-bend)) calc(var(--motion-radius, 20px) - var(--motion-bend)) calc(var(--motion-radius, 20px) + var(--motion-bend)) calc(var(--motion-radius, 20px) - var(--motion-bend));
  }
}
@media (prefers-reduced-motion: reduce), (prefers-reduced-transparency: reduce), (prefers-contrast: more), (forced-colors: active), (hover: none), (pointer: coarse) {
  .pointer-light { display: none; }
  .principles-strip > span.is-motion-driven { background: transparent; border-color: transparent; box-shadow: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .button:hover, .project-card:hover { transform: none; }
}
@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  :root { --muted: #344258; --glass-edge: #a4b5c8; }
  body { background: #fff; }
  .site-header, .floating-label, .project-card, .step, .notice, .glass-window { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .scene-background { display: none; }
  .glass-window { transform: none; }
  .glass-window::after, .project-card::after { display: none; }
  .hero-art .glass-chip { visibility: hidden; }
  .glass-window::before { content: "μ"; position: absolute; inset: 23% 28%; display: grid; place-items: center; background: #edf3fa; border: 2px solid #7795b8; border-radius: 25px; color: var(--accent); font: 80px Georgia, serif; }
}
@media (forced-colors: active) {
  .site-header, .floating-label, .project-card, .step, .notice, .glass-window { background: Canvas; -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: none; }
  .site-header, .project-card, .step, .notice, .button, .header-cta { border: 1px solid ButtonText; }
  .hero-art, .project-visual, .start-symbol, .project-card::after { display: none; }
  .eyebrow, .button, .text-link { color: LinkText; }
}