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

:root {
  --bg: #030812;
  --fg: #f0f4f8;
  --accent: #00D4FF;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent-glow: rgba(0, 212, 255, 0.25);
  --text-muted: #7a8fa6;
  --text-body: #b8c8d8;
  --card-bg: rgba(255,255,255,0.03);
  --card-border: rgba(255,255,255,0.06);
  --section-pad: 120px;
  --container: 1100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.3); border-radius: 3px; }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 40px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.18) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(52px, 8vw, 88px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.headline-accent {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-body);
  max-width: 600px;
  margin: 0 auto 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.stat {
  padding: 28px 40px;
  text-align: center;
}

.stat-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
  max-width: 120px;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--card-border);
}

/* FEATURES */
.features {
  padding: var(--section-pad) 40px;
  position: relative;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  text-align: center;
}

.section-heading {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  color: var(--fg);
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 72px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px;
  transition: border-color 0.3s ease, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-2px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-body);
}

/* CLOSING */
.closing {
  padding: var(--section-pad) 40px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,212,255,0.03) 50%, transparent 100%);
}

.closing-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.closing-tag {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: var(--fg);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.closing-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 24px;
}

/* FOOTER */
.site-footer {
  padding: 64px 40px;
  border-top: 1px solid var(--card-border);
}

.footer-content {
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(122,143,166,0.6);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 100px 24px 80px; }
  .hero-stats { flex-direction: column; }
  .stat-divider { width: 80px; height: 1px; }
  .stat { padding: 20px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .features, .closing { padding: 80px 24px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 44px; }
  .feature-card { padding: 28px; }
}