/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #060d1a;
  --bg-card: #0c1628;
  --bg-card-hover: #111f38;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(6,182,212,0.4);
  --cyan: #06b6d4;
  --cyan-dim: rgba(6,182,212,0.12);
  --cyan-glow: rgba(6,182,212,0.25);
  --text: #f1f5f9;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
  border: none;
}

.btn-primary {
  background: var(--cyan);
  color: #060d1a;
  padding: 10px 20px;
}
.btn-primary:hover { background: #22d3ee; transform: translateY(-1px); }

.btn-ghost {
  color: var(--text-dim);
  padding: 10px 16px;
  background: transparent;
}
.btn-ghost:hover { color: var(--text); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-hover);
  padding: 10px 20px;
}
.btn-outline:hover { background: var(--cyan-dim); border-color: var(--cyan); }

.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 10px; }

/* ─── Nav ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(6,13,26,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  display: block;
}

.logo-text {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--text);
}

.hero-domain {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-top: -28px;
  margin-bottom: 40px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(6,182,212,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  background: var(--cyan-dim);
}

.hero-headline {
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero-headline em {
  font-style: italic;
  color: var(--cyan);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

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

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 40px;
  gap: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

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

/* ─── Products ──────────────────────────────────────────── */
.products {
  padding: 80px 0 100px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  color: var(--text);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.product-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  text-decoration: none;
  transition: all 0.22s ease;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 1px solid transparent;
  transition: border-color 0.22s ease;
}

.product-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.product-health:hover::before { border-color: var(--cyan); }
.product-research:hover::before { border-color: #a78bfa; }

.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.product-research .product-icon {
  background: rgba(167,139,250,0.12);
  color: #a78bfa;
}

.product-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  padding: 4px 10px;
  border-radius: 100px;
}

.research-tag {
  color: #a78bfa;
  background: rgba(167,139,250,0.12);
  border-color: rgba(167,139,250,0.2);
}

.product-number {
  font-size: 72px;
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: -12px;
  margin-top: -8px;
}

.product-name {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 14px;
}

.product-desc {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 28px;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}

.product-features li {
  font-size: 14px;
  color: var(--text-dim);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.product-features li::before {
  content: '✓';
  color: var(--cyan);
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 1px;
}

.product-research .product-features li::before {
  color: #a78bfa;
}

.product-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.product-research .product-cta {
  color: #a78bfa;
}

/* ─── Mission ───────────────────────────────────────────── */
.mission {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.mission-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.mission-headline {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}

.mission-body {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.8;
}

.mission-numbers {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.mission-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mission-stat-value {
  font-size: 48px;
  font-weight: 900;
  color: var(--cyan);
  letter-spacing: -0.03em;
  line-height: 1;
}

.mission-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── Footer ────────────────────────────────────────────── */
.footer {
  padding: 60px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-brand { display: flex; flex-direction: column; gap: 10px; }

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-col a {
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-actions .btn-ghost { display: none; }

  .hero { padding: 120px 0 60px; }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    width: 100%;
  }
  .stat { padding: 16px 12px; }
  .stat-value { font-size: 22px; }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .mission-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }
  .stat-divider { display: none; }
  .hero-stats { border-radius: 8px; }
}