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

:root {
  --bg: #04040b;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(124, 58, 237, 0.4);
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --sky: #0ea5e9;
  --cyan: #06b6d4;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --muted: #475569;
  --grad-1: linear-gradient(135deg, #7c3aed, #0ea5e9, #06b6d4);
  --grad-2: linear-gradient(135deg, #a78bfa, #38bdf8);
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Background ─── */
.bg-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
  animation: drift 12s ease-in-out infinite;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: -150px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #0ea5e9, transparent 70%);
  bottom: -100px; right: -80px;
  animation-delay: -4s;
}

.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  top: 40%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -8s;
  opacity: 0.1;
}

@keyframes drift {
  0%, 100% { transform: translateY(0) scale(1); }
  33% { transform: translateY(-40px) scale(1.05); }
  66% { transform: translateY(20px) scale(0.97); }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

/* ─── Navigation ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(4, 4, 11, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  background: var(--grad-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--surface-hover);
}

/* ─── Main ─── */
main { position: relative; z-index: 1; }

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--surface);
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  max-width: 860px;
}

.g-text {
  background: var(--grad-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary {
  padding: 0.7rem 1.75rem;
  background: var(--grad-1);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(124, 58, 237, 0.45);
}

.btn-ghost {
  padding: 0.7rem 1.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.18);
  color: var(--text);
  background: var(--surface);
}

/* ─── Sections ─── */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-body {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 540px;
}

/* ─── Cards ─── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: block;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.06), rgba(6,182,212,0.06));
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 20px;
}

.card:hover::after { opacity: 1; }

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 24px 64px rgba(124, 58, 237, 0.18);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(14,165,233,0.15));
  border: 1px solid rgba(124, 58, 237, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cyan);
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.875rem;
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 1;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--primary-light);
  font-weight: 500;
  transition: gap 0.2s;
  position: relative;
  z-index: 1;
}

.card:hover .card-arrow { gap: 0.7rem; }

/* ─── Feature list ─── */
.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.feature-item {
  display: flex;
  gap: 0.875rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}

.feature-item:hover { border-color: var(--border-hover); }

.feature-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1.5;
}

.feature-text h4 {
  font-family: var(--font-heading);
  font-size: 0.925rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.feature-text p {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

/* ─── Stats bar ─── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 4rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.stat-cell {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--border);
}

.stat-cell:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--grad-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-lbl {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ─── Divider ─── */
.divider {
  height: 1px;
  background: var(--border);
  max-width: 1200px;
  margin: 0 auto;
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  color: var(--muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.825rem;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--text-secondary); }

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .nav-links { gap: 0; }
  .nav-links a { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
  .hero h1 { font-size: 2.4rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-cell:nth-child(2) { border-right: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}