:root {
  --bg: #0c0f16;
  --bg-soft: #131826;
  --surface: rgba(18, 23, 35, 0.72);
  --surface-strong: rgba(25, 31, 47, 0.92);
  --text: #f5f1ea;
  --muted: #b7b0a6;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #ff6b3d;
  --accent-soft: #ffc76b;
  --teal: #78ffd6;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Sans TC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 107, 61, 0.22), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(120, 255, 214, 0.16), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(255, 199, 107, 0.1), transparent 24%),
    linear-gradient(180deg, #090b11 0%, var(--bg) 45%, #0b0e14 100%);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, black, transparent 92%);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.site-header,
.section,
.hero,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 13, 20, 0.68);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.brand,
.site-nav a,
.button,
.contact-link {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  box-shadow: 0 0 20px rgba(255, 107, 61, 0.55);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  position: relative;
  color: rgba(245, 241, 234, 0.72);
  font-size: 0.96rem;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font: inherit;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 24px;
  align-items: stretch;
}

.hero-intro,
.section,
.hero-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-intro {
  padding: 42px;
  border-radius: var(--radius-xl);
}

.hero-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.hero-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-panel-large {
  grid-column: 1 / -1;
  min-height: 280px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 107, 61, 0.16), rgba(120, 255, 214, 0.08)),
    var(--surface-strong);
}

.hero-panel-small {
  padding: 24px;
}

.hero-panel-accent {
  display: grid;
  gap: 14px;
  padding: 20px;
  background:
    radial-gradient(circle at top, rgba(255, 199, 107, 0.24), transparent 50%),
    rgba(255, 255, 255, 0.05);
}

.eyebrow,
.panel-kicker,
.project-index,
.timeline-year {
  margin: 0 0 12px;
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow,
.panel-kicker,
.project-index {
  color: var(--accent-soft);
}

h1,
h2,
h3,
strong {
  margin: 0;
  font-family: "Manrope", sans-serif;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3.3rem, 8vw, 6.4rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.hero-panel-large h2,
.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero-text,
.hero-panel p,
.story-card p,
.project-card p,
.service-card p,
.timeline-item p,
.contact-text {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 60ch;
  margin-top: 24px;
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  color: #fff9f3;
  background: linear-gradient(135deg, var(--accent), #ff8f42);
  box-shadow: 0 14px 34px rgba(255, 107, 61, 0.22);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.focus-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
  line-height: 1.9;
}

.metric {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric strong {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section {
  margin-top: 24px;
  padding: 34px;
  border-radius: var(--radius-xl);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.split-grid,
.project-grid,
.service-grid {
  display: grid;
  gap: 18px;
}

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

.project-grid,
.service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.story-card,
.project-card,
.service-card,
.timeline-item {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-card,
.service-card {
  min-height: 220px;
}

.project-card h3,
.service-card h3,
.timeline-item h3 {
  margin: 6px 0 12px;
  font-size: 1.36rem;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.timeline-year {
  color: var(--teal);
  margin: 4px 0 0;
}

.contact {
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(255, 107, 61, 0.16), transparent 44%),
    radial-gradient(circle at bottom, rgba(120, 255, 214, 0.08), transparent 30%),
    var(--surface);
}

.contact .section-heading {
  justify-content: center;
}

.contact-text {
  max-width: 52ch;
  margin: 0 auto 18px;
}

.contact-link {
  color: var(--text);
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.4rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.site-footer {
  padding: 28px 0 8px;
  color: rgba(245, 241, 234, 0.6);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 560ms ease,
    transform 560ms ease;
}

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

@media (max-width: 1040px) {
  .hero,
  .split-grid,
  .project-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    max-width: none;
  }
}

@media (max-width: 780px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header {
    flex-wrap: wrap;
    border-radius: 28px;
    padding: 14px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 4px 4px;
  }

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

  .hero-intro,
  .section {
    padding: 24px;
  }

  .hero-stage {
    grid-template-columns: 1fr;
  }

  .section-heading {
    flex-direction: column;
    align-items: start;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}