:root {
  color-scheme: dark;
  --bg: oklch(0.075 0 0);
  --bg-soft: oklch(0.105 0.022 265);
  --surface: oklch(0.145 0.03 268);
  --surface-strong: oklch(0.205 0.055 270);
  --ink: oklch(0.965 0.008 250);
  --muted: oklch(0.735 0.034 248);
  --primary: oklch(0.54 0.18 268);
  --accent: oklch(0.79 0.15 188);
  --accent-warm: oklch(0.78 0.14 82);
  --line: oklch(0.42 0.065 255 / 0.45);
  --line-bright: oklch(0.79 0.15 188 / 0.62);
  --max: 1180px;
  --header: 76px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 12%, oklch(0.54 0.18 268 / 0.16), transparent 30vw),
    radial-gradient(circle at 12% 38%, oklch(0.79 0.15 188 / 0.10), transparent 28vw),
    linear-gradient(116deg, var(--bg) 0%, var(--bg-soft) 52%, oklch(0.07 0 0) 100%);
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", "Segoe UI", sans-serif;
  line-height: 1.76;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, oklch(0.79 0.15 188 / 0.055) 1px, transparent 1px),
    linear-gradient(0deg, oklch(0.54 0.18 268 / 0.065) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(to bottom, black 0%, black 42%, transparent 88%);
}

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

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

#tech-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 100vw);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(var(--max), calc(100% - 32px));
  height: var(--header);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(16px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-symbol {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  background: oklch(0.13 0.035 270 / 0.88);
  color: var(--accent);
  font-weight: 850;
}

.brand-mark strong {
  display: block;
  font-size: 15px;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-mark small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: oklch(0.10 0.014 270 / 0.76);
}

.site-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  transition: color 180ms ease, background 180ms ease, transform 180ms var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--ink);
  background: oklch(0.25 0.06 270 / 0.76);
  outline: none;
}

.site-nav a.is-active {
  box-shadow: inset 0 0 0 1px oklch(0.79 0.15 188 / 0.38);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  max-width: 12ch;
  font-size: clamp(44px, 7vw, 90px);
  font-weight: 850;
}

h2 {
  font-size: clamp(30px, 4.2vw, 58px);
  font-weight: 820;
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.28;
}

p {
  margin: 0;
}

.hero-section,
.subpage-hero,
.content-section,
.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.hero-section {
  min-height: calc(100vh - var(--header));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.87fr);
  align-items: center;
  gap: clamp(22px, 3.8vw, 44px);
  padding: clamp(48px, 8vw, 104px) 0 clamp(62px, 7vw, 98px);
}

.home-hero {
  min-height: calc(100vh - var(--header));
  grid-template-columns: 1fr;
  align-content: start;
  gap: clamp(22px, 3vw, 34px);
  padding-top: clamp(56px, 7vw, 92px);
  padding-bottom: clamp(44px, 5vw, 70px);
}

.home-hero .hero-copy {
  max-width: 980px;
  margin-inline: auto;
  text-align: center;
}

.home-hero h1 {
  max-width: min(980px, 100%);
  margin-inline: auto;
  font-size: clamp(38px, 5.4vw, 72px);
}

.home-hero .hero-lede {
  margin-inline: auto;
}

.home-hero .hero-actions {
  justify-content: center;
}

.home-hero .light-curtain {
  left: 50%;
  min-height: clamp(140px, 16vw, 178px);
  width: min(1120px, calc(100vw - 40px));
  max-width: none;
  border-color: oklch(0.79 0.15 188 / 0.46);
  border-radius: 12px;
  background:
    radial-gradient(circle at calc(22% + var(--curtain-x)) calc(45% + var(--curtain-y)), oklch(0.79 0.15 188 / calc(0.16 + var(--curtain-glow) * 0.12)), transparent 28%),
    radial-gradient(circle at 72% 42%, oklch(0.54 0.18 268 / 0.14), transparent 34%),
    linear-gradient(128deg, oklch(0.15 0.036 270 / 0.9), oklch(0.055 0 0 / 0.96));
  box-shadow:
    inset 0 0 0 1px oklch(0.79 0.15 188 / 0.18),
    0 0 18px oklch(0.79 0.15 188 / 0.14);
  translate: -50% 0;
}

.home-hero .hero-copy .light-curtain {
  margin: clamp(28px, 3.8vw, 46px) auto clamp(24px, 3vw, 36px);
}

.home-hero .hero-copy .light-curtain + .hero-lede {
  margin-top: 0;
}

.signal-label {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 760;
}

.hero-lede,
.section-intro p,
.split-copy p,
.contact-section p,
.contact-main p,
.scenario-index p,
.service-detail p,
.compact-note p {
  max-width: 64ch;
  color: var(--muted);
  font-size: 17px;
}

.hero-lede {
  margin-top: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 760;
  transition: transform 180ms var(--ease), background 180ms ease, border-color 180ms ease;
}

.button-primary {
  background: var(--primary);
  color: white;
}

.button-secondary {
  border: 1px solid var(--line);
  background: oklch(0.12 0.02 270 / 0.7);
  color: var(--ink);
}

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

.button-secondary:hover {
  border-color: var(--line-bright);
}

.light-curtain {
  --curtain-x: 0px;
  --curtain-y: 0px;
  --curtain-rotate: 0deg;
  --curtain-glow: 0;
  --keyword-spread: 0px;
  --keyword-shift: 0px;
  --node-x: 0px;
  --node-y: 0px;
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid oklch(0.42 0.065 255 / 0.38);
  border-radius: 12px;
  background:
    radial-gradient(circle at calc(50% + var(--curtain-x)) calc(50% + var(--curtain-y)), oklch(0.79 0.15 188 / calc(0.13 + var(--curtain-glow) * 0.12)), transparent 34%),
    linear-gradient(150deg, oklch(0.17 0.052 270 / 0.84), oklch(0.07 0 0 / 0.94));
  cursor: crosshair;
  isolation: isolate;
  transition: border-color 180ms ease, transform 220ms var(--ease);
}

.light-curtain.is-active {
  border-color: var(--line-bright);
}

.light-curtain::before,
.light-curtain::after {
  content: "";
  position: absolute;
  inset: -18%;
  z-index: -1;
  transition: transform 260ms var(--ease), opacity 180ms ease;
}

.light-curtain::before {
  background:
    linear-gradient(112deg, transparent 4%, oklch(0.79 0.15 188 / 0.24) 18%, transparent 32%),
    linear-gradient(126deg, transparent 42%, oklch(0.54 0.18 268 / 0.28) 52%, transparent 66%);
  transform: translate(calc(var(--curtain-x) * 0.5), calc(var(--curtain-y) * 0.25)) rotate(calc(-10deg + var(--curtain-rotate)));
  opacity: calc(0.78 + var(--curtain-glow) * 0.2);
}

.light-curtain::after {
  background:
    linear-gradient(90deg, transparent, oklch(0.79 0.15 188 / 0.16), transparent),
    linear-gradient(0deg, transparent 0 46%, oklch(0.79 0.15 188 / 0.22) 49%, transparent 52% 100%);
  transform: translate(calc(var(--curtain-x) * -0.32), calc(var(--curtain-y) * 0.22)) rotate(calc(14deg - var(--curtain-rotate)));
  mix-blend-mode: screen;
}

.curtain-band {
  position: absolute;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform-origin: center;
  opacity: 0.72;
}

.band-a {
  top: 30%;
  transform: translate(calc(var(--curtain-x) * 0.18), calc(var(--curtain-y) * 0.12)) rotate(calc(-13deg + var(--curtain-rotate)));
}

.band-b {
  top: 52%;
  transform: translate(calc(var(--curtain-x) * -0.12), calc(var(--curtain-y) * 0.22)) rotate(calc(8deg - var(--curtain-rotate)));
}

.band-c {
  top: 72%;
  transform: translate(calc(var(--curtain-x) * 0.08), calc(var(--curtain-y) * -0.16)) rotate(calc(-4deg + var(--curtain-rotate) * 0.6));
}

.curtain-grid {
  position: absolute;
  inset: 58px 48px;
  border: 1px solid oklch(0.79 0.15 188 / 0.16);
  transform: perspective(700px) rotateX(58deg) rotateZ(calc(-8deg + var(--curtain-rotate)));
  background:
    linear-gradient(90deg, oklch(0.79 0.15 188 / 0.14) 1px, transparent 1px),
    linear-gradient(0deg, oklch(0.54 0.18 268 / 0.16) 1px, transparent 1px);
  background-size: 72px 62px;
  transition: transform 260ms var(--ease);
}

.curtain-keywords {
  position: absolute;
  inset: 0;
}

.curtain-keywords a {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 82px;
  height: 38px;
  border: 1px solid oklch(0.79 0.15 188 / 0.34);
  border-radius: 999px;
  background: oklch(0.08 0 0 / 0.56);
  color: var(--ink);
  font-weight: 760;
  transition: transform 220ms var(--ease), border-color 180ms ease, color 180ms ease;
}

.curtain-keywords a:nth-child(1) {
  left: 16%;
  top: 35%;
  transform: translate(calc(var(--curtain-x) * 0.22), calc(var(--curtain-y) * 0.20));
}

.curtain-keywords a:nth-child(2) {
  right: 17%;
  top: 26%;
  transform: translate(calc(var(--curtain-x) * -0.18), calc(var(--curtain-y) * 0.16));
}

.curtain-keywords a:nth-child(3) {
  left: 26%;
  bottom: 24%;
  transform: translate(calc(var(--curtain-x) * 0.12), calc(var(--curtain-y) * -0.18));
}

.curtain-keywords a:nth-child(4) {
  right: 13%;
  bottom: 32%;
  transform: translate(calc(var(--curtain-x) * -0.16), calc(var(--curtain-y) * -0.12));
}

.curtain-keywords a:hover,
.curtain-keywords a:focus-visible,
.light-curtain.is-active .curtain-keywords a {
  border-color: var(--line-bright);
  color: var(--accent);
  outline: none;
}

.home-hero .curtain-grid {
  inset: 18px 46px;
  border: 0;
  opacity: 0.9;
  transform: perspective(560px) rotateX(58deg) rotateZ(calc(-5deg + var(--curtain-rotate) * 0.18)) translate(calc(var(--curtain-x) * -0.12), calc(var(--curtain-y) * 0.08));
  background:
    radial-gradient(circle at calc(50% + var(--curtain-x)) 48%, oklch(0.79 0.15 188 / 0.18), transparent 44%),
    linear-gradient(90deg, oklch(0.79 0.15 188 / 0.14) 1px, transparent 1px),
    linear-gradient(0deg, oklch(0.54 0.18 268 / 0.12) 1px, transparent 1px);
  background-size: 100% 100%, 58px 46px, 58px 46px;
}

.home-hero .band-a {
  left: 12%;
  right: 12%;
  top: 32%;
  height: 1px;
  opacity: 0.44;
}

.home-hero .band-b {
  left: 10%;
  right: 10%;
  top: 54%;
  height: 1px;
  opacity: 0.62;
}

.home-hero .band-c {
  left: 16%;
  right: 16%;
  top: 72%;
  height: 1px;
  opacity: 0.34;
}

.curtain-connector,
.curtain-pulse {
  position: absolute;
  pointer-events: none;
}

.curtain-connector {
  z-index: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, oklch(0.79 0.15 188 / 0.78), oklch(0.54 0.18 268 / 0.58), transparent);
  transform-origin: left center;
  filter: drop-shadow(0 0 8px oklch(0.79 0.15 188 / 0.3));
  opacity: calc(0.62 + var(--curtain-glow) * 0.2);
}

.connector-a {
  left: 18%;
  top: 54%;
  width: 25%;
  transform: translate(calc(var(--node-x) * 0.08), calc(var(--node-y) * 0.04)) rotate(-8deg);
}

.connector-b {
  left: 40%;
  top: 43%;
  width: 24%;
  transform: translate(calc(var(--node-x) * -0.05), calc(var(--node-y) * 0.05)) rotate(12deg);
}

.connector-c {
  left: 60%;
  top: 57%;
  width: 24%;
  transform: translate(calc(var(--node-x) * 0.06), calc(var(--node-y) * -0.04)) rotate(-10deg);
}

.curtain-pulse {
  z-index: 1;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, oklch(0.79 0.15 188 / 0.08) 30%, oklch(0.79 0.15 188 / 0.78) 50%, oklch(0.54 0.18 268 / 0.26) 62%, transparent 100%);
  opacity: 0.78;
  transform: translateY(-50%);
  animation: nodePulse 4.8s var(--ease) infinite;
  mask-image: linear-gradient(90deg, transparent, black 18%, black 82%, transparent);
}

.home-hero .curtain-keywords {
  inset: 0;
  display: block;
  z-index: 2;
}

.home-hero .curtain-keywords a:nth-child(1) {
  left: 18%;
  top: 55%;
  right: auto;
  bottom: auto;
  transform: translate(calc(var(--node-x) * 0.14), calc(var(--node-y) * 0.10));
}

.home-hero .curtain-keywords a:nth-child(2) {
  left: 40%;
  top: 34%;
  right: auto;
  bottom: auto;
  transform: translate(calc(var(--node-x) * -0.10), calc(var(--node-y) * 0.12));
}

.home-hero .curtain-keywords a:nth-child(3) {
  left: 62%;
  top: 58%;
  right: auto;
  bottom: auto;
  transform: translate(calc(var(--node-x) * 0.10), calc(var(--node-y) * -0.10));
}

.home-hero .curtain-keywords a:nth-child(4) {
  left: 82%;
  top: 38%;
  right: auto;
  bottom: auto;
  transform: translate(calc(var(--node-x) * -0.12), calc(var(--node-y) * -0.08));
}

.home-hero .curtain-keywords a {
  position: absolute;
  right: auto;
  bottom: auto;
  min-width: 82px;
  height: 44px;
  padding: 0 16px;
  border-color: oklch(0.79 0.15 188 / 0.46);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 20%, oklch(0.79 0.15 188 / 0.18), transparent 54%),
    oklch(0.08 0.012 270 / 0.82);
  font-size: 13px;
  box-shadow:
    inset 0 0 0 1px oklch(0.79 0.15 188 / 0.14),
    0 0 12px oklch(0.79 0.15 188 / 0.14);
  translate: -50% -50%;
}

.content-section {
  padding: clamp(70px, 9vw, 128px) 0;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, .75fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: end;
  margin-bottom: 38px;
}

.summary-grid,
.entry-grid,
.service-detail-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.summary-card,
.entry-card,
.capability-card,
.deliverable-item,
.rail-step,
.service-detail,
.scenario-panel,
.faq-item,
.prep-list span,
.contact-panel a,
.contact-panel span {
  --mx: 50%;
  --my: 50%;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at var(--mx) var(--my), oklch(0.79 0.15 188 / 0.13), transparent 42%),
    linear-gradient(145deg, oklch(0.15 0.034 270 / 0.88), oklch(0.09 0 0 / 0.88));
  transform: perspective(850px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms var(--ease), background 180ms ease;
  will-change: transform;
}

.summary-card,
.entry-card,
.capability-card,
.deliverable-item,
.rail-step,
.service-detail,
.faq-item {
  padding: 24px;
}

.summary-card:hover,
.entry-card:hover,
.capability-card:hover,
.deliverable-item:hover,
.rail-step:hover,
.service-detail:hover,
.scenario-panel:hover,
.faq-item:hover,
.prep-list span:hover,
.contact-panel a:hover,
.contact-panel span:hover {
  border-color: var(--line-bright);
  transform: perspective(850px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-4px);
}

.entry-card:hover,
.capability-card:hover,
.deliverable-item:hover,
.rail-step:hover,
.service-detail:hover,
.scenario-panel:hover,
.faq-item:hover,
.prep-list span:hover,
.contact-panel a:hover,
.contact-panel span:hover {
  box-shadow:
    inset 0 0 0 1px oklch(0.79 0.15 188 / 0.36),
    0 0 12px oklch(0.79 0.15 188 / 0.18);
}

.summary-card:hover {
  z-index: 2;
  box-shadow:
    inset 0 0 0 1px oklch(0.79 0.15 188 / 0.42),
    0 0 12px oklch(0.79 0.15 188 / 0.20);
  transform: perspective(850px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-4px) scale(1.035);
}

.summary-card .card-index,
.summary-card h3,
.summary-card p,
.entry-card span,
.entry-card h3,
.entry-card p,
.capability-card h3,
.capability-card p,
.deliverable-item span,
.deliverable-item h3,
.deliverable-item p,
.rail-step span,
.rail-step h3,
.rail-step p,
.service-detail h2,
.service-detail p,
.scenario-panel span,
.scenario-panel h3,
.scenario-panel p,
.faq-item h3,
.faq-item p {
  display: block;
  transform-origin: left center;
  transition: transform 220ms var(--ease), color 180ms ease;
  will-change: transform;
}

.summary-card:hover .card-index {
  transform: scale(1.08);
}

.summary-card:hover h3 {
  transform: translateX(2px) scale(1.07);
}

.summary-card:hover p {
  color: var(--ink);
  transform: translateX(2px) scale(1.035);
}

.entry-card:hover span,
.deliverable-item:hover span,
.rail-step:hover span,
.scenario-panel:hover span {
  transform: scale(1.06);
}

.entry-card:hover h3,
.capability-card:hover h3,
.deliverable-item:hover h3,
.rail-step:hover h3,
.scenario-panel:hover h3,
.faq-item:hover h3 {
  transform: translateX(2px) scale(1.055);
}

.entry-card:hover p,
.capability-card:hover p,
.deliverable-item:hover p,
.rail-step:hover p,
.scenario-panel:hover p,
.faq-item:hover p {
  color: var(--ink);
  transform: translateX(2px) scale(1.025);
}

.service-detail:hover h2 {
  transform: translateX(2px) scale(1.045);
}

.service-detail:hover p {
  color: var(--ink);
  transform: translateX(2px) scale(1.02);
}

.card-index,
.entry-card span,
.scenario-panel span,
.scenario-index span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.summary-card h3,
.entry-card h3 {
  margin-top: 44px;
}

.summary-card p,
.entry-card p,
.capability-card p,
.deliverable-item p,
.rail-step p,
.faq-item p {
  margin-top: 14px;
  color: var(--muted);
}

.tech-stack-section {
  padding-top: clamp(44px, 6vw, 84px);
}

.tech-marquee {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(circle at 18% 50%, oklch(0.79 0.15 188 / 0.14), transparent 34%),
    linear-gradient(135deg, oklch(0.14 0.034 270 / 0.86), oklch(0.08 0 0 / 0.9));
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.tech-track {
  display: flex;
  width: max-content;
  gap: 12px;
  padding: 18px;
  animation: techMarquee 20s linear infinite;
}

.tech-marquee:hover .tech-track {
  animation-play-state: paused;
}

.tech-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid oklch(0.79 0.15 188 / 0.32);
  border-radius: 999px;
  background: oklch(0.10 0.018 270 / 0.82);
  color: var(--ink);
  font-size: 14px;
  font-weight: 780;
  white-space: nowrap;
}

.capability-section {
  padding-top: clamp(52px, 7vw, 94px);
}

.capability-mosaic {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: clamp(18px, 3.8vw, 42px);
  align-items: stretch;
}

.capability-lead {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid var(--line-bright);
  border-radius: 12px;
  background:
    radial-gradient(circle at 26% 24%, oklch(0.79 0.15 188 / 0.22), transparent 30%),
    radial-gradient(circle at 84% 74%, oklch(0.54 0.18 268 / 0.22), transparent 34%),
    linear-gradient(145deg, oklch(0.18 0.052 270 / 0.9), oklch(0.08 0 0 / 0.92));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.capability-lead::before {
  content: "";
  position: absolute;
  inset: 44px;
  border: 1px solid oklch(0.79 0.15 188 / 0.18);
  transform: skewY(-7deg);
}

.capability-lead span,
.deliverable-item span,
.rail-step span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 820;
}

.capability-lead h2,
.capability-lead p,
.capability-lead span {
  position: relative;
}

.capability-lead h2 {
  max-width: 11ch;
}

.capability-lead p {
  max-width: 56ch;
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
}

.capability-stack {
  display: grid;
  gap: 14px;
}

.capability-card h3,
.deliverable-item h3,
.rail-step h3 {
  margin-top: 34px;
}

.deliverable-strip {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr 0.88fr 1.12fr;
  gap: 14px;
  align-items: stretch;
}

.deliverable-item {
  min-height: 260px;
  display: flex;
  flex-direction: column;
}

.deliverable-item p {
  margin-top: auto;
  padding-top: 22px;
}

.delivery-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.delivery-rail::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  top: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.rail-step {
  padding-top: 74px;
}

.rail-step span {
  position: absolute;
  top: 22px;
  left: 24px;
}

@keyframes techMarquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@keyframes nodePulse {
  0% {
    clip-path: inset(0 92% 0 0);
    opacity: 0;
  }

  18% {
    opacity: 0.72;
  }

  62% {
    clip-path: inset(0 0 0 82%);
    opacity: 0.72;
  }

  100% {
    clip-path: inset(0 0 0 100%);
    opacity: 0;
  }
}

.split-section,
.boundary-section,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(320px, .82fr);
  gap: clamp(30px, 7vw, 82px);
  align-items: center;
}

.contact-layout {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  gap: clamp(44px, 6vw, 70px);
  align-items: start;
  padding-top: clamp(46px, 7vw, 90px);
}

.coordination-board {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: oklch(0.10 0.018 270 / 0.88);
}

.board-row {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 14px;
  border-radius: 8px;
  color: var(--muted);
}

.board-row + .board-row {
  border-top: 1px solid oklch(0.42 0.065 255 / 0.24);
}

.board-row.active {
  background: oklch(0.21 0.065 270 / 0.86);
  color: var(--ink);
}

.board-row span {
  color: var(--accent);
  font-weight: 800;
}

.board-row strong {
  font-size: 18px;
}

.compact-note {
  margin-top: clamp(34px, 6vw, 72px);
  padding: clamp(32px, 6vw, 60px);
  border: 1px solid var(--line-bright);
  border-radius: 12px;
  background: linear-gradient(135deg, oklch(0.19 0.062 270 / 0.88), oklch(0.09 0 0 / 0.92));
}

.compact-note p {
  margin-top: 18px;
}

.compact-note .button-secondary {
  margin-top: 26px;
}

.subpage-hero {
  min-height: 34vh;
  display: grid;
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: clamp(56px, 9vw, 112px) 0 clamp(34px, 6vw, 72px);
}

.subpage-hero h1 {
  max-width: 100%;
}

.subpage-hero .hero-lede {
  margin-inline: auto;
}

.subpage-visual,
.contact-beacon {
  min-height: 320px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(circle at 60% 40%, oklch(0.79 0.15 188 / 0.18), transparent 32%),
    linear-gradient(145deg, oklch(0.17 0.052 270 / 0.80), oklch(0.08 0 0 / 0.92));
}

.subpage-visual::before,
.contact-beacon::before {
  content: "";
  position: absolute;
  inset: 42px;
  border: 1px solid oklch(0.79 0.15 188 / 0.24);
  transform: skewY(-8deg) rotate(-8deg);
}

.subpage-visual span,
.contact-beacon span {
  position: absolute;
  min-width: 94px;
  padding: 8px 14px;
  border: 1px solid oklch(0.79 0.15 188 / 0.34);
  border-radius: 999px;
  background: oklch(0.08 0 0 / 0.58);
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
  text-align: center;
}

.subpage-visual span:nth-child(1),
.contact-beacon span:nth-child(1) {
  left: 14%;
  top: 28%;
}

.subpage-visual span:nth-child(2),
.contact-beacon span:nth-child(2) {
  right: 13%;
  top: 46%;
}

.subpage-visual span:nth-child(3),
.contact-beacon span:nth-child(3) {
  left: 28%;
  bottom: 20%;
}

.service-detail h2 {
  margin-top: 38px;
  font-size: clamp(28px, 3.5vw, 42px);
}

.service-detail p {
  margin-top: 16px;
}

.service-detail ul {
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--ink);
}

.service-detail li + li {
  margin-top: 8px;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
}

.process-line::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.process-line article {
  position: relative;
  padding-top: 74px;
}

.process-line article span {
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  background: var(--bg);
  color: var(--accent);
  font-weight: 850;
  font-size: 22px;
}

.process-line article p {
  color: var(--muted);
}

.compact-process {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.compact-process::before {
  display: none;
}

.scenario-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 54px);
  align-items: start;
  padding-top: clamp(54px, 7vw, 96px);
}

.scenario-index {
  position: static;
  width: min(760px, 100%);
  margin-inline: auto;
  text-align: center;
}

.scenario-index h2 {
  margin-top: 16px;
  font-size: clamp(28px, 3.6vw, 46px);
}

.scenario-index p {
  margin: 18px auto 0;
}

.scenario-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.scenario-panel {
  min-height: 250px;
  padding: 24px;
  grid-column: auto;
  display: flex;
  flex-direction: column;
}

.scenario-panel.is-large,
.scenario-panel.is-wide {
  grid-column: auto;
  min-height: 250px;
}

.scenario-panel h3 {
  margin-top: 36px;
}

.scenario-panel p {
  margin-top: 14px;
  color: var(--muted);
}

.section-as-grid {
  padding-top: 0;
}

.contact-section {
  width: min(var(--max), calc(100% - 32px));
  margin: clamp(50px, 8vw, 96px) auto 0;
  padding: clamp(32px, 6vw, 66px);
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(280px, .65fr);
  gap: 30px;
  border: 1px solid var(--line-bright);
  border-radius: 12px;
  background: linear-gradient(135deg, oklch(0.20 0.065 270 / 0.9), oklch(0.09 0.01 270 / 0.95));
}

.contact-panel {
  display: grid;
  gap: 10px;
  align-content: center;
}

.contact-panel a,
.contact-panel span {
  display: block;
  padding: 14px 16px;
  color: var(--ink);
}

.contact-panel a,
.email-link {
  color: var(--accent);
}

.contact-main {
  align-self: start;
  max-width: 100%;
}

.contact-main p {
  margin-top: 18px;
}

.contact-main h2,
.prep-list h2 {
  font-size: clamp(32px, 4.2vw, 54px);
}

.contact-methods {
  display: grid;
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--line-bright);
  border-bottom: 1px solid var(--line);
}

.contact-method {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow-wrap: anywhere;
  transition: color 180ms ease, transform 180ms var(--ease);
}

.contact-method + .contact-method {
  border-top: 1px solid oklch(0.42 0.065 255 / 0.28);
}

.contact-method span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 820;
}

.contact-method strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
  font-weight: 780;
  user-select: all;
}

.contact-method:hover,
.contact-method:focus-visible {
  outline: none;
  transform: translateX(4px);
}

.prep-list {
  display: grid;
  gap: 0;
  align-content: start;
  padding-top: clamp(34px, 5vw, 58px);
  border-top: 1px solid var(--line-bright);
}

.prep-list h2 {
  margin-bottom: 28px;
}

.prep-list span {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border: 0;
  border-top: 1px solid oklch(0.42 0.065 255 / 0.26);
  border-radius: 0;
  background: transparent;
}

.prep-list span::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-top: .65em;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px oklch(0.79 0.15 188 / 0.44);
}

.prep-list span:hover {
  border-color: oklch(0.42 0.065 255 / 0.26);
  box-shadow: none;
  transform: translateX(4px);
}

.site-footer {
  padding: 34px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

.back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(18px, 4vw, 34px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 20%, oklch(0.79 0.15 188 / 0.24), transparent 42%),
    oklch(0.08 0 0 / 0.88);
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms var(--ease), border-color 180ms ease;
}

.back-to-top span:first-child {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-weight: 900;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: var(--accent);
  outline: none;
  transform: translateY(-3px);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}

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

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 oklch(0.79 0.15 188 / 0.42);
  }
  50% {
    box-shadow: 0 0 0 14px oklch(0.79 0.15 188 / 0);
  }
}

@media (max-width: 980px) {
  .hero-section,
  .subpage-hero,
  .split-section,
  .boundary-section,
  .contact-section,
  .contact-layout,
  .capability-mosaic,
  .scenario-layout {
    grid-template-columns: 1fr;
  }

  .light-curtain {
    min-height: 420px;
  }

  .section-intro,
  .process-line,
  .deliverable-strip,
  .delivery-rail {
    grid-template-columns: 1fr 1fr;
  }

  .capability-lead {
    min-height: 360px;
  }

  .scenario-index {
    position: static;
  }

  .scenario-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  :root {
    --header: 66px;
  }

  body::before {
    background-size: 48px 48px;
  }

  .site-header {
    width: min(100% - 22px, var(--max));
  }

  .brand-mark strong {
    font-size: 13px;
  }

  .brand-mark small {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 70px;
    left: 11px;
    right: 11px;
    display: none;
    padding: 10px;
    border-radius: 8px;
    background: oklch(0.10 0.018 270 / 0.96);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 12px 14px;
  }

  .hero-section,
  .subpage-hero,
  .content-section,
  .site-footer,
  .contact-section {
    width: min(100% - 22px, var(--max));
  }

  .hero-section,
  .subpage-hero {
    padding-top: 34px;
  }

  .home-hero {
    min-height: auto;
    padding-top: 30px;
    padding-bottom: clamp(36px, 10vw, 52px);
  }

  h1 {
    max-width: 100%;
    font-size: clamp(38px, 12vw, 56px);
  }

  h2 {
    font-size: clamp(28px, 8.4vw, 42px);
  }

  .hero-lede,
  .section-intro p,
  .split-copy p,
  .contact-section p,
  .contact-main p,
  .scenario-index p,
  .service-detail p,
  .compact-note p {
    font-size: 16px;
  }

  .light-curtain,
  .subpage-visual,
  .contact-beacon {
    min-height: 320px;
  }

  .home-hero .light-curtain {
    min-height: clamp(150px, 46vw, 210px);
    width: min(100%, calc(100vw - 22px));
    border-radius: 12px;
  }

  .curtain-grid {
    inset: 46px 28px;
    background-size: 52px 48px;
  }

  .home-hero .curtain-grid {
    inset: 16px 18px;
    background-size: 100% 100%, 42px 36px, 42px 36px;
  }

  .curtain-keywords a {
    min-width: 70px;
    height: 34px;
    font-size: 13px;
  }

  .home-hero .curtain-keywords {
    display: block;
    padding: 0;
  }

  .home-hero .curtain-keywords a {
    min-width: 76px;
    height: 38px;
    padding: 0 10px;
    font-size: 12px;
  }

  .home-hero .curtain-keywords a:nth-child(1) {
    left: 28%;
    top: 36%;
  }

  .home-hero .curtain-keywords a:nth-child(2) {
    left: 72%;
    top: 36%;
  }

  .home-hero .curtain-keywords a:nth-child(3) {
    left: 28%;
    top: 68%;
  }

  .home-hero .curtain-keywords a:nth-child(4) {
    left: 72%;
    top: 68%;
  }

  .connector-a {
    left: 28%;
    top: 36%;
    width: 44%;
    transform: translate(calc(var(--node-x) * 0.05), calc(var(--node-y) * 0.03));
  }

  .connector-b {
    left: 28%;
    top: 52%;
    width: 44%;
    opacity: 0.34;
    transform: translate(calc(var(--node-x) * -0.04), calc(var(--node-y) * 0.03));
  }

  .connector-c {
    left: 28%;
    top: 68%;
    width: 44%;
    transform: translate(calc(var(--node-x) * 0.04), calc(var(--node-y) * -0.03));
  }

  .section-intro,
  .process-line,
  .summary-grid,
  .entry-grid,
  .deliverable-strip,
  .delivery-rail,
  .service-detail-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .scenario-panels {
    grid-template-columns: 1fr;
  }

  .scenario-panel,
  .scenario-panel.is-large,
  .scenario-panel.is-wide {
    grid-column: auto;
    min-height: 200px;
  }

  .process-line::before {
    left: 32px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 1px;
    height: auto;
  }

  .process-line article {
    padding-top: 0;
    padding-left: 84px;
    min-height: 90px;
  }

  .delivery-rail::before {
    left: 32px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 1px;
    height: auto;
  }

  .rail-step {
    padding-top: 24px;
    padding-left: 74px;
    min-height: 170px;
  }

  .rail-step span {
    left: 24px;
  }

  .capability-lead {
    min-height: 330px;
  }

  .capability-lead h2 {
    max-width: 100%;
  }

  .tech-track {
    animation-duration: 18s;
  }

  .compact-process::before {
    display: block;
  }

  .site-footer {
    padding-bottom: 96px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }

  .back-to-top span:last-child {
    display: none;
  }
}

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  #tech-canvas {
    display: none;
  }

  .summary-card,
  .entry-card,
  .capability-card,
  .deliverable-item,
  .rail-step,
  .service-detail,
  .scenario-panel,
  .faq-item,
  .prep-list span,
  .contact-method,
  .contact-panel a,
  .contact-panel span,
  .light-curtain,
  .curtain-band,
  .curtain-connector,
  .curtain-pulse,
  .curtain-grid,
  .curtain-keywords a {
    transform: none !important;
  }

  .tech-track {
    animation: none !important;
    flex-wrap: wrap;
    width: auto;
  }

  .summary-card:hover .card-index,
  .summary-card:hover h3,
  .summary-card:hover p,
  .entry-card:hover span,
  .entry-card:hover h3,
  .entry-card:hover p,
  .capability-card:hover h3,
  .capability-card:hover p,
  .deliverable-item:hover span,
  .deliverable-item:hover h3,
  .deliverable-item:hover p,
  .rail-step:hover span,
  .rail-step:hover h3,
  .rail-step:hover p,
  .service-detail:hover h2,
  .service-detail:hover p,
  .scenario-panel:hover span,
  .scenario-panel:hover h3,
  .scenario-panel:hover p,
  .faq-item:hover h3,
  .faq-item:hover p,
  .contact-method:hover,
  .contact-method:focus-visible {
    transform: none !important;
  }
}