:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #21262d;
  --fg: #e6edf3;
  --fg-muted: #8b949e;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --border: #30363d;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 48px 80px;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--accent); }
  50% { opacity: 0.5; box-shadow: 0 0 24px var(--accent); }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.headline-accent { color: var(--accent); }
.hero-sub {
  font-size: 20px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 580px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent);
  color: #0d1117;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover {
  background: #00f0c0;
  transform: translateY(-1px);
}
.btn-ghost {
  display: inline-block;
  padding: 14px 24px;
  color: var(--fg-muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--fg); }
.hero-context {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.context-tag {
  font-size: 13px;
  color: var(--fg-muted);
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.context-sep { color: var(--border); }

/* CAPABILITIES */
.capabilities {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 96px 48px;
}
.cap-inner { max-width: 1100px; margin: 0 auto; }
.cap-header { margin-bottom: 64px; }
.cap-overline {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.cap-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 580px;
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.cap-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 40px 36px;
  transition: border-color 0.25s;
}
.cap-card:hover { border-color: var(--accent); }
.cap-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
}
.cap-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.cap-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* BACKGROUND */
.background {
  padding: 96px 48px;
}
.bg-inner { max-width: 1100px; margin: 0 auto; }
.bg-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 56px;
}
.bg-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
.bg-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}
.bg-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  color: var(--fg);
}
.bg-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.bg-credentials {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.cred-item {
  display: flex;
  flex-direction: column;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.cred-item:last-child { border-bottom: none; }
.cred-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.cred-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
}

/* CLOSING / CTA */
.closing {
  padding: 120px 48px;
  background: var(--bg);
  text-align: center;
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 640px; margin: 0 auto; }
.closing-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}
.closing-actions { margin-bottom: 20px; }
.closing-note {
  font-size: 14px;
  color: var(--fg-muted);
}

/* FOOTER */
.footer {
  padding: 32px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
}
.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.footer-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
}
.footer-tag {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-meta {
  font-size: 13px;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .bg-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .hero { padding: 60px 24px; }
  .capabilities { padding: 64px 24px; }
  .cap-grid { grid-template-columns: 1fr; gap: 2px; }
  .cap-card { border-radius: 0; }
  .cap-card:first-child { border-radius: 8px 8px 0 0; }
  .cap-card:last-child { border-radius: 0 0 8px 8px; }
  .background { padding: 64px 24px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-context { gap: 8px; }
  .context-tag { font-size: 12px; }
}