@import './global.css';

:root {
  color-scheme: light;
  --bg: #f5f3ec;
  --surface: #fffdf8;
  --steel: #22313a;
  --muted: #667078;
  --line: rgba(34, 49, 58, 0.16);
  --accent: #b4552f;
  --accent2: #2760a8;
  --green: #2f7a57;
  --text: var(--steel);
  --font: 'IBM Plex Sans', 'Noto Sans TC', sans-serif;
  --mono: 'Azeret Mono', 'Noto Sans TC', monospace;
  --radius: 8px;
  --max-w: 1180px;
  --intel-bg: #f2eee4;
  --intel-text: var(--steel);
  --intel-muted: var(--muted);
  --intel-surface: rgba(255, 253, 248, 0.82);
  --intel-line: var(--line);
}

body {
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--font);
  background:
    linear-gradient(90deg, rgba(180, 85, 47, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(39, 96, 168, 0.05) 1px, transparent 1px),
    var(--bg);
  background-size: 52px 52px, 52px 52px, auto;
}

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

.forge-nav,
.forge-nav div,
.forge-contact,
.forge-contact a {
  display: flex;
  align-items: center;
}

.forge-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
  border-bottom: 2px solid var(--steel);
  background: rgba(245, 243, 236, 0.88);
  backdrop-filter: blur(16px);
}

.forge-nav div {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.forge-brand,
.forge-kicker,
.tool-grid span,
.pipeline-grid span,
.forge-timeline time,
.note-grid span {
  font-family: var(--mono);
  font-weight: 900;
  text-transform: uppercase;
}

.forge-nav a,
.forge-contact a {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  font-size: 0.84rem;
  font-weight: 900;
}

.forge-hero {
  min-height: calc(100dvh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 0.62fr);
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
}

.forge-kicker {
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 0.76rem;
}

.forge-copy h1,
.forge-section-head h2,
.forge-contact h2 {
  max-width: 12ch;
  font-size: 4.4rem;
  font-weight: 900;
  letter-spacing: 0;
}

.forge-copy p,
.tool-grid p,
.pipeline-grid p,
.forge-timeline p,
.note-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.forge-copy > p:not(.forge-kicker) {
  max-width: 58ch;
  margin-top: 1.25rem;
  font-size: 1.14rem;
}

.forge-plate {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 1rem;
  align-items: end;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
  box-shadow: 12px 12px 0 rgba(180, 85, 47, 0.18);
}

.forge-plate img {
  width: 132px;
  aspect-ratio: 1;
  border-radius: var(--radius);
  object-fit: cover;
  filter: sepia(18%) contrast(1.05);
}

.forge-plate strong,
.forge-plate span {
  display: block;
}

.forge-plate span {
  margin: 0.25rem 0 0.75rem;
  color: var(--accent2);
  font-weight: 900;
}

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

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

.tool-grid,
.pipeline-grid,
.note-grid {
  display: grid;
  gap: 1rem;
}

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

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

.note-grid {
  grid-template-columns: repeat(3, 1fr);
}

.tool-grid a,
.pipeline-grid article,
.note-grid article,
.forge-timeline article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem;
  background: var(--surface);
}

.tool-grid span,
.pipeline-grid span,
.note-grid span,
.forge-timeline time {
  color: var(--accent);
  font-size: 0.72rem;
}

.tool-grid h3,
.pipeline-grid h3,
.note-grid h3,
.forge-timeline h3 {
  margin: 0.75rem 0 0.45rem;
}

.tool-grid strong {
  display: block;
  margin-top: 1rem;
  color: var(--green);
  font-size: 0.78rem;
}

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

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

.forge-timeline {
  display: grid;
  gap: 0.9rem;
}

.forge-contact {
  justify-content: space-between;
  gap: 1rem;
  margin: 4rem 0;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  padding: 2rem;
  background: linear-gradient(135deg, rgba(180, 85, 47, 0.14), rgba(39, 96, 168, 0.1));
}

.forge-contact a {
  color: #fff;
  background: var(--steel);
}

@media (max-width: 980px) {
  .forge-hero,
  .split,
  .tool-grid,
  .pipeline-grid,
  .note-grid {
    grid-template-columns: 1fr;
  }

  .sticky {
    position: static;
  }
}

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

  .forge-copy h1,
  .forge-section-head h2,
  .forge-contact h2 {
    font-size: 2.45rem;
  }

  .forge-plate {
    grid-template-columns: 1fr;
  }
}