/* Base */
:root {
  --bg: #0d1117;
  --fg: #e8eaf0;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --muted: #7a8496;
  --border: rgba(255,255,255,0.08);
  --section-pad: 120px 64px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3 { font-family: 'Bebas Neue', sans-serif; letter-spacing: 0.02em; }

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}

/* Nav */
.site-nav {
  padding: 28px 64px;
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 20px; }
.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  letter-spacing: 0.05em;
  color: var(--fg);
}
.nav-tagline {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Hero */
.hero {
  padding: 100px 64px 96px;
  max-width: 960px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 60px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(245,158,11,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero-headline {
  font-size: clamp(64px, 9vw, 112px);
  line-height: 0.92;
  color: var(--fg);
  margin-bottom: 36px;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.65;
  color: #9aa0ad;
  max-width: 600px;
  margin-bottom: 64px;
  font-weight: 300;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.hero-stat {
  padding: 0 40px;
}
.hero-stat:first-child { padding-left: 0; }
.hero-stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 48px;
  color: var(--accent);
  display: block;
  line-height: 1;
}
.hero-stat-label {
  font-size: 12px;
  color: var(--muted);
  display: block;
  margin-top: 6px;
  line-height: 1.4;
}
.hero-stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* Disruption */
.disruption {
  padding: var(--section-pad);
  background: #0a0e16;
}
.disruption-header { margin-bottom: 64px; }
.disruption-header h2 {
  font-size: clamp(48px, 5vw, 72px);
  line-height: 0.95;
  color: var(--fg);
}
.disruption-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.disruption-text p {
  color: #9aa0ad;
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 20px;
  font-weight: 300;
}
.disruption-callout {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.callout-block {
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.2);
  border-left: 3px solid var(--accent);
  padding: 24px 28px;
}
.callout-headline {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.callout-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

/* Layers */
.layers {
  padding: var(--section-pad);
  background: var(--bg);
}
.layers-header { margin-bottom: 72px; }
.layers-header h2 {
  font-size: clamp(48px, 5vw, 72px);
  line-height: 0.95;
}
.layers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.layer-card {
  padding: 48px 40px;
  background: #0a0e16;
  border-top: 3px solid var(--accent);
  position: relative;
}
.layer-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 80px;
  color: rgba(245,158,11,0.15);
  line-height: 1;
  margin-bottom: 24px;
}
.layer-title {
  font-size: 28px;
  color: var(--fg);
  margin-bottom: 16px;
  line-height: 1.1;
}
.layer-desc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 300;
}
.layer-tag {
  position: absolute;
  top: 32px;
  right: 28px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
}

/* Certification */
.certification {
  padding: var(--section-pad);
  background: #0a0e16;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.cert-left h2 {
  font-size: clamp(40px, 4vw, 60px);
  line-height: 0.95;
  margin-bottom: 32px;
}
.cert-body {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 20px;
  font-weight: 300;
}
.cert-right { padding-top: 16px; }
.cert-badge {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 24px;
  margin-bottom: 40px;
}
.cert-badge-icon {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  color: var(--accent);
  background: rgba(245,158,11,0.15);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
}
.cert-badge-title {
  display: block;
  font-weight: 700;
  color: var(--fg);
  font-size: 16px;
  margin-bottom: 4px;
}
.cert-badge-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}
.cert-steps { display: flex; flex-direction: column; gap: 0; }
.cert-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.cert-step:last-child { border-bottom: none; }
.cert-step-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  color: var(--accent);
  min-width: 32px;
}
.cert-step-text {
  font-size: 15px;
  color: #9aa0ad;
  line-height: 1.5;
  padding-top: 2px;
}

/* Geography */
.geography {
  padding: var(--section-pad);
  background: var(--bg);
}
.geo-content { max-width: 700px; }
.geography h2 {
  font-size: clamp(48px, 5vw, 72px);
  line-height: 0.95;
  margin-bottom: 36px;
}
.geo-body {
  font-size: 17px;
  color: #9aa0ad;
  line-height: 1.75;
  margin-bottom: 20px;
  font-weight: 300;
}
.geo-stat-row {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.geo-stat-num {
  display: block;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
}
.geo-stat-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.4;
}

/* Closing */
.closing {
  padding: 120px 64px;
  background: #080b10;
}
.closing-inner { max-width: 760px; }
.closing-statement {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 48px;
  letter-spacing: 0.02em;
}
.closing-rule {
  width: 80px;
  height: 3px;
  background: var(--accent);
  margin-bottom: 32px;
}
.closing-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 80px;
  color: var(--fg);
  letter-spacing: 0.05em;
  line-height: 1;
}
.closing-sub {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
}

/* Footer */
.site-footer {
  padding: 32px 64px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.footer-tag {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Responsive */
@media (max-width: 768px) {
  :root { --section-pad: 80px 24px; }
  .site-nav, .site-footer { padding: 20px 24px; }
  .hero { padding: 72px 24px 64px; }
  .hero-headline { font-size: 56px; }
  .hero-stat-row { flex-direction: column; gap: 24px; }
  .hero-stat-divider { display: none; }
  .hero-stat { padding: 0; }
  .disruption-body, .layers-grid, .certification { grid-template-columns: 1fr; }
  .layers-grid { gap: 2px; }
  .geo-stat-row { flex-wrap: wrap; gap: 32px; }
  .closing { padding: 80px 24px; }
  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 44px; }
  .hero-stat-num { font-size: 40px; }
  .closing-brand { font-size: 56px; }
}