@import './global.css';

:root {
  color-scheme: dark;
  --bg: #0b0e0f;
  --surface: rgba(242, 246, 241, 0.055);
  --surface-strong: rgba(242, 246, 241, 0.09);
  --line: rgba(242, 246, 241, 0.13);
  --text: #f2f6f1;
  --muted: #a8b4ad;
  --accent: #58d5bf;
  --accent2: #f3b35b;
  --danger: #d85f55;
  --font: 'IBM Plex Sans', 'Noto Sans TC', sans-serif;
  --mono: 'Azeret Mono', 'Noto Sans TC', monospace;
  --max-w: 1180px;
  --radius: 8px;
  --intel-bg: #0e1213;
  --intel-text: var(--text);
  --intel-muted: var(--muted);
  --intel-surface: var(--surface);
  --intel-line: var(--line);
}

body {
  min-width: 320px;
  overflow-x: hidden;
  font-family: var(--font);
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(88, 213, 191, 0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(243, 179, 91, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, #0b0e0f, #111817 48%, #18130f);
  background-size: 64px 64px, 64px 64px, auto;
}

.signal-shell {
  width: min(var(--max-w), calc(100% - 40px));
  margin: 0 auto;
}

.signal-nav,
.signal-nav div,
.signal-actions,
.signal-contact div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.signal-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 14, 15, 0.84);
  backdrop-filter: blur(16px);
}

.signal-brand {
  font-family: var(--mono);
  font-weight: 900;
}

.signal-nav div,
.signal-actions,
.signal-contact div {
  gap: 0.55rem;
}

.signal-nav a,
.signal-actions a,
.signal-contact a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.signal-actions a:first-child,
.signal-contact a:first-child {
  color: #06100e;
  background: var(--accent);
}

.signal-hero {
  min-height: calc(100dvh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.62fr);
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
}

.signal-kicker,
.operator-card span,
.signal-card span,
.briefing-grid span {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.signal-hero h1,
.section-head h2,
.signal-contact h2 {
  max-width: 12ch;
  font-size: 4.6rem;
  font-weight: 900;
  letter-spacing: 0;
}

.signal-hero p,
.section-head p,
.signal-card p,
.event-feed p,
.briefing-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.signal-hero > div > p:not(.signal-kicker) {
  max-width: 58ch;
  margin-top: 1.25rem;
  font-size: 1.12rem;
}

.signal-actions {
  margin-top: 1.6rem;
}

.operator-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
  box-shadow: 16px 16px 0 rgba(88, 213, 191, 0.08);
}

.operator-card img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  object-fit: cover;
  filter: grayscale(20%) contrast(1.08);
}

.operator-card div {
  margin-top: 1rem;
}

.operator-card strong {
  display: block;
  margin: 0.35rem 0;
  font-size: 1.25rem;
}

.ops-strip,
.signal-grid,
.briefing-grid {
  display: grid;
  gap: 1rem;
}

.ops-strip {
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ops-strip article {
  padding: 1.25rem;
  border-right: 1px solid var(--line);
}

.ops-strip article:last-child {
  border-right: 0;
}

.ops-strip strong {
  display: block;
  color: var(--accent2);
  font-size: 2.2rem;
  line-height: 1;
}

.ops-strip span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.signal-section {
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 3rem;
}

.sticky {
  position: sticky;
  top: 96px;
}

.section-head {
  margin-bottom: 2rem;
}

.signal-grid {
  grid-template-columns: repeat(4, 1fr);
}

.signal-card,
.briefing-grid article,
.event-feed article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: var(--surface);
}

.signal-card strong {
  display: block;
  margin: 1rem 0;
  font-size: 3rem;
}

.signal-card div {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.signal-card i {
  display: block;
  width: var(--value);
  height: 100%;
  background: var(--tone, var(--accent));
}

.tone-research { --tone: #58a6ff; }
.tone-delivery { --tone: #f3b35b; }
.tone-operations { --tone: #58d5bf; }
.tone-collaboration { --tone: #d85f55; }

.event-feed {
  display: grid;
  gap: 0.8rem;
}

.event-feed time {
  color: var(--accent2);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 900;
}

.event-feed h3,
.briefing-grid h3 {
  margin: 0.45rem 0;
}

.briefing-grid {
  grid-template-columns: repeat(4, 1fr);
}

.signal-contact {
  margin: 4rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  background: linear-gradient(135deg, rgba(88, 213, 191, 0.14), rgba(243, 179, 91, 0.08));
}

@media (max-width: 920px) {
  .signal-hero,
  .split,
  .signal-grid,
  .briefing-grid,
  .ops-strip {
    grid-template-columns: 1fr;
  }

  .sticky {
    position: static;
  }

  .ops-strip article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .signal-shell {
    width: min(100% - 28px, var(--max-w));
  }

  .signal-hero h1,
  .section-head h2,
  .signal-contact h2 {
    font-size: 2.6rem;
  }
}