/* hexaTune Website — Global Styles */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2233;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --border: #1f2937;
  --radius: 12px;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

/* ── Navigation ─────────────────────────────────── */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.navbar .logo-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.navbar .logo-link img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.navbar nav {
  display: flex;
  gap: 1.5rem;
}

.navbar nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar nav a:hover {
  color: var(--text-primary);
}

/* ── Container ──────────────────────────────────── */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Hero ────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 5rem 1.5rem 3rem;
}

.hero img {
  width: 140px;
  height: 140px;
  border-radius: 24px;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 60px var(--accent-glow);
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

/* ── Sections ───────────────────────────────────── */

.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title.center {
  text-align: center;
}

.section-title.center::after {
  left: 50%;
  transform: translateX(-50%);
}

.section p {
  color: var(--text-secondary);
  max-width: 750px;
}

/* ── Cards Grid ─────────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ── Tag List ───────────────────────────────────── */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  list-style: none;
}

.tag-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ── Footer ─────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer .links {
  margin-bottom: 0.75rem;
}

.footer .links a {
  color: var(--text-secondary);
  margin: 0 0.75rem;
}

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

/* ── Legal Pages ────────────────────────────────── */

.legal {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.legal h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.legal .effective-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
}

.legal h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.legal h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.legal p {
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

.legal ul {
  color: var(--text-secondary);
  margin: 0.5rem 0 1rem 1.5rem;
}

.legal ul li {
  margin-bottom: 0.35rem;
}

.legal a {
  color: var(--accent);
}

/* ── Responsive ─────────────────────────────────── */

@media (max-width: 768px) {
  .hero {
    padding: 3rem 1rem 2rem;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero .tagline {
    font-size: 1rem;
  }
  .section-title {
    font-size: 1.3rem;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .navbar nav {
    gap: 1rem;
  }
  .navbar nav a {
    font-size: 0.82rem;
  }
  .legal h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .navbar .container {
    flex-direction: column;
    gap: 0.5rem;
  }
  .hero img {
    width: 100px;
    height: 100px;
  }
}