/* ── VolleyHub Landing Page ── */

:root {
  --bg: #0b1017;
  --surface: #121a24;
  --card: #1c2633;
  --border: #2d3a4d;
  --primary: #22d3ee;
  --primary-dark: #5eead4;
  --secondary: #fb923c;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --success: #4ade80;
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: opacity 0.2s;
}
a:hover {
  opacity: 0.8;
}

/* ── Navigation ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 16, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

.nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s;
}

.lang-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  letter-spacing: 0.5px;
}
.lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.nav-links a:hover {
  color: var(--primary);
  opacity: 1;
}

/* ── Hero ── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  margin-bottom: 32px;
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.2);
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 22px;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 48px;
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover {
  transform: translateY(-2px);
  opacity: 1;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg);
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(34, 211, 238, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ── Features ── */

.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}

.features-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}

.features-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ── Stats ── */

.stats {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 24px;
}

.stats-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  text-align: center;
  gap: 24px;
}

.stat-value {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* ── CTA ── */

.cta {
  text-align: center;
  padding: 100px 24px;
}

.cta h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 40px;
}

/* ── Footer ── */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 14px;
}

.footer-logo {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  opacity: 0.6;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}
.footer-links a:hover {
  color: var(--primary);
}

/* ── Legal Pages ── */

.legal {
  max-width: 800px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

.legal h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal-date {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--primary);
}

.legal p,
.legal li {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.legal ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal strong {
  color: var(--text);
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .hero h1 { font-size: 36px; }
  .hero-tagline { font-size: 18px; }
  .features-grid { grid-template-columns: 1fr; }
  .features-title { font-size: 28px; }
  .stats-inner { flex-direction: column; gap: 32px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .nav-links { gap: 16px; }
}