:root {
  --bg: #0d1215;
  --bg-soft: #131b20;
  --surface: rgba(19, 27, 32, 0.88);
  --surface-strong: rgba(22, 32, 38, 0.96);
  --line: rgba(202, 217, 223, 0.14);
  --text: #eef4f6;
  --muted: #a6b5ba;
  --accent: #6ee7d8;
  --accent-strong: #36b8aa;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(54, 184, 170, 0.14), transparent 30%),
    linear-gradient(180deg, #091014 0%, #0d1215 100%);
}

a {
  color: inherit;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
  background-size: 3px 3px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 90%);
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0 10px;
}

.brand,
.top-nav a,
.eyebrow,
.hero-meta span,
.stack-list li,
.diagram-title,
.site-footer {
  font-family: "IBM Plex Mono", monospace;
}

.brand {
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.top-nav {
  display: flex;
  gap: 18px;
}

.top-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  gap: 28px;
  padding: 44px 0 28px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.hero h1,
.section h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 0.92;
}

.lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-meta,
.hero-actions,
.stack-list,
.fact-list,
.link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.hero-meta span,
.stack-list li {
  padding: 8px 11px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.85rem;
  list-style: none;
}

.hero-actions {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.link-card:hover,
.project-card:hover,
.capability-card:hover {
  transform: translateY(-2px);
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041011;
  font-weight: 700;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.03);
}

.hero-panel,
.project-card,
.capability-card,
.platform-panel,
.link-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 22px;
}

.terminal-card ul,
.fact-list {
  margin: 0;
  padding: 0;
}

.terminal-title {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.terminal-card li,
.fact-list li {
  list-style: none;
  color: var(--muted);
  line-height: 1.7;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.section {
  padding: 36px 0 8px;
}

.section-head {
  margin-bottom: 18px;
}

.section h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
}

.two-column,
.platform-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.two-column p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.card-grid,
.capability-grid {
  display: grid;
  gap: 18px;
}

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

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

.project-card,
.capability-card,
.platform-panel,
.link-card {
  padding: 22px;
}

.project-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.project-card p,
.capability-card p,
.text-link,
.platform-panel pre,
.link-card strong {
  color: var(--muted);
}

.project-card p,
.capability-card p {
  margin: 0 0 16px;
  line-height: 1.7;
}

.stack-list {
  margin: 0 0 18px;
  padding: 0;
}

.text-link {
  text-decoration: none;
  color: var(--accent);
}

.platform-panel.accent {
  background: linear-gradient(180deg, rgba(110, 231, 216, 0.08), rgba(255, 255, 255, 0.02));
}

.diagram-title {
  margin: 0 0 14px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.platform-panel pre {
  margin: 0;
  overflow-x: auto;
  font-family: "IBM Plex Mono", monospace;
  line-height: 1.7;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.link-card {
  text-decoration: none;
}

.link-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
}

.link-card strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  word-break: break-word;
}

.site-footer {
  padding: 34px 0 44px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 1080px) {
  .hero,
  .two-column,
  .platform-layout,
  .card-grid,
  .capability-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .top-nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 26px;
  }
}