/* ========================================
   DADA Asset Intelligence — Theme
   ======================================== */

:root {
  --bg: #0d0d0d;
  --surface: #141414;
  --surface-2: #1c1c1c;
  --border: #2a2a2a;
  --accent: #e8892a;
  --accent-dim: rgba(232, 137, 42, 0.12);
  --text: #f0ece4;
  --text-muted: #8a857d;
  --text-dim: #4a4640;
  --success: #4caf7a;
  --warn: #f5a623;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Figtree', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.nav-accent {
  color: var(--accent);
}

.nav-tagline {
  font-family: 'Figtree', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 137, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 137, 42, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero-accent-bar {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-bottom: 24px;
}

.hero-eyebrow {
  font-family: 'Figtree', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 28px;
}

.hero-title-outline {
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1.5px var(--text-muted);
}

.hero-lede {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.hero-stat {
  padding: 0 32px;
}

.hero-stat:first-child {
  padding-left: 0;
}

.hero-stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ---- Server Visual ---- */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-left: 64px;
  position: relative;
  z-index: 1;
}

.server-rack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.rack-unit {
  width: 64px;
  height: 10px;
  background: var(--surface-2);
  border-radius: 2px;
  position: relative;
}

.rack-unit::after {
  content: '';
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-dim);
}

.rack-active::after {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.rack-warn::after {
  background: var(--warn);
  box-shadow: 0 0 6px var(--warn);
}

.server-label {
  font-family: 'Figtree', sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---- Section Labels ---- */
.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 48px;
}

/* ---- Pillars ---- */
.pillars {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.pillar {
  padding: 40px 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.pillar:hover {
  border-color: var(--accent);
}

.pillar-icon {
  margin-bottom: 24px;
}

.pillar-name {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.pillar-subhead {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.pillar-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- Architecture ---- */
.architecture {
  padding: 100px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  border-top: 1px solid var(--border);
}

.arch-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.arch-body {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.arch-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}

.arch-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}

.arch-feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 6px;
}

/* ---- Architecture Diagram ---- */
.arch-diagram {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.diagram-core {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 12px 24px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent-dim);
}

.diagram-connections {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.diagram-node {
  font-family: 'Figtree', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-2);
}

.diagram-center {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
  max-width: 200px;
  line-height: 1.5;
}

/* ---- Compliance ---- */
.compliance {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  text-align: center;
}

.compliance-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 40px;
  margin-bottom: 32px;
}

.compliance-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 20px;
}

.compliance-body {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

.compliance-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  text-align: left;
}

.compliance-item {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.compliance-item-icon {
  width: 4px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.compliance-item-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.compliance-item-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- Closing ---- */
.closing {
  padding: 120px 48px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 40px;
}

.closing-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.closing-body {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 16px;
  line-height: 1.7;
}

.closing-tagline {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 48px;
}

/* ---- Footer ---- */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-accent {
  color: var(--accent);
}

.footer-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-meta {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 100px 24px 60px;
  }

  .hero-visual {
    display: none;
  }

  .nav {
    padding: 16px 24px;
  }

  .pillars {
    padding: 60px 24px;
  }

  .pillars-grid,
  .compliance-items {
    grid-template-columns: 1fr;
  }

  .architecture {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 60px 24px;
  }

  .compliance {
    padding: 60px 24px;
  }

  .closing {
    padding: 80px 24px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero-stat-divider {
    display: none;
  }

  .hero-stat {
    padding: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 48px;
  }

  .section-title,
  .arch-title,
  .compliance-title,
  .closing-title {
    font-size: 32px;
  }
}