/* TrackFirm — Dark theme cohérent avec l'app */
:root {
  --bg: #0F172A;
  --bg-card: #1E293B;
  --primary: #3B82F6;
  --primary-light: #60A5FA;
  --text: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border: rgba(96, 165, 250, 0.15);
  --success: #10B981;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(at 35% 33%, rgba(37, 99, 235, 0.18) 0, transparent 60%),
    radial-gradient(at 65% 60%, rgba(29, 78, 216, 0.12) 0, transparent 55%),
    radial-gradient(at 50% 78%, rgba(30, 96, 160, 0.10) 0, transparent 55%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

/* Header (logo + nav) */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo .accent {
  color: var(--primary-light);
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

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

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

/* Home */
.hero {
  text-align: center;
  padding: 80px 0;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.1;
}

.hero .subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero .links a {
  display: inline-block;
  padding: 12px 24px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.4);
  border-radius: 10px;
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s;
}

.hero .links a:hover {
  background: rgba(59, 130, 246, 0.25);
  border-color: var(--primary-light);
}

/* Article (PDC / CGU) */
.article {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  backdrop-filter: blur(8px);
}

.article h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--primary-light);
}

.article h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text);
}

.article h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--text);
}

.article p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.article strong {
  color: var(--text);
  font-weight: 600;
}

.article ul,
.article ol {
  margin: 0 0 16px 24px;
  color: var(--text-secondary);
}

.article li {
  margin-bottom: 8px;
}

.article a {
  color: var(--primary-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(96, 165, 250, 0.3);
  transition: border-color 0.2s;
}

.article a:hover {
  border-bottom-color: var(--primary-light);
}

.article hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.article code {
  background: rgba(15, 23, 42, 0.6);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SF Mono", Monaco, Menlo, Consolas, monospace;
  font-size: 14px;
}

.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}

.article th,
.article td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.article th {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
  font-weight: 600;
}

.article td {
  color: var(--text-secondary);
}

.article blockquote {
  border-left: 3px solid var(--primary);
  padding-left: 16px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* Footer */
.footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  margin: 0 12px;
}

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

/* Loading state */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

/* Mobile */
@media (max-width: 600px) {
  .container {
    padding: 32px 16px 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero .subtitle {
    font-size: 16px;
  }

  .article {
    padding: 24px;
  }

  .article h1 {
    font-size: 26px;
  }

  .article h2 {
    font-size: 19px;
  }

  .article table {
    font-size: 13px;
  }

  .article th,
  .article td {
    padding: 8px;
  }
}