/* =============================================================================
 * Argon Security Page — Styles
 * Couleurs Argon (bleu) + pattern subtil + responsive
 * ============================================================================= */

:root {
  --argon-blue: #2563eb;
  --argon-blue-dark: #1d4ed8;
  --argon-blue-light: #60a5fa;
  --argon-cream: #fef9e7;
  --argon-chalk: #f1f5f9;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
}

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

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

/* ─── Pattern cahier ligné en filigrane ───────────────────────────────── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(to right, transparent 0, transparent 14px, rgba(37, 99, 235, 0.04) 14px, rgba(37, 99, 235, 0.04) 15px, transparent 15px),
    linear-gradient(to bottom, transparent 0, transparent 29px, rgba(37, 99, 235, 0.03) 29px, rgba(37, 99, 235, 0.03) 30px, transparent 30px);
  background-size: 60px 60px;
}

/* ─── Header ──────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--argon-blue) 0%, var(--argon-blue-dark) 100%);
  color: white;
  padding: 0;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.brand img {
  border-radius: 8px;
  background: white;
  padding: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: white;
}

.lang-switch {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  transition: background 0.15s;
}

.lang-switch:hover {
  background: rgba(255, 255, 255, 0.25);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem 5rem;
  text-align: center;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Sections ────────────────────────────────────────────────────────── */
main {
  max-width: 1200px;
  margin: 0 auto;
}

section {
  padding: 4rem 2rem;
}

.section-alt {
  background: var(--bg-alt);
  margin: 0;
  padding: 4rem 2rem;
}

/* Override section-alt to span full width */
section.section-alt {
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: max(2rem, calc(50vw - 600px + 2rem));
  padding-right: max(2rem, calc(50vw - 600px + 2rem));
}

section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--argon-blue-dark);
  position: relative;
  padding-bottom: 0.5rem;
}

section h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--argon-blue), transparent);
  border-radius: 2px;
}

.lead {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  max-width: 700px;
}

/* ─── Grille des engagements ──────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
  border-color: var(--argon-blue-light);
}

.card .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--argon-blue-dark);
}

.card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.card a {
  color: var(--argon-blue);
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}

/* ─── Stack technique ─────────────────────────────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.stack-item {
  background: white;
  border-left: 4px solid var(--argon-blue);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stack-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--argon-blue-dark);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stack-item ul {
  list-style: none;
}

.stack-item li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.92rem;
  color: var(--text);
  border-bottom: 1px solid var(--bg-alt);
}

.stack-item li:last-child {
  border-bottom: none;
}

.stack-item li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--argon-blue);
  font-weight: 700;
}

/* ─── Conformité ──────────────────────────────────────────────────────── */
.conformite-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.conformite-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.conformite-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--argon-blue-dark);
}

.conformite-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.conformite-note {
  background: var(--argon-cream);
  border-left: 4px solid #d97706;
  padding: 1.25rem 1.5rem;
  border-radius: 0 8px 8px 0;
  margin-top: 2rem;
}

.conformite-note a {
  color: var(--argon-blue-dark);
  font-weight: 600;
}

/* ─── Responsible Disclosure ──────────────────────────────────────────── */
.disclosure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .disclosure-grid {
    grid-template-columns: 1fr;
  }
}

.disclosure-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.disclosure-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--argon-blue-dark);
}

.disclosure-card ul {
  list-style: none;
}

.disclosure-card li {
  padding: 0.35rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
}

.disclosure-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--argon-blue);
}

.disclosure-flow,
.disclosure-rules,
.disclosure-recognition {
  background: white;
  border-left: 4px solid var(--argon-blue);
  border-radius: 0 12px 12px 0;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.disclosure-flow h3,
.disclosure-rules h3,
.disclosure-recognition h3 {
  color: var(--argon-blue-dark);
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.disclosure-flow ol {
  padding-left: 1.5rem;
  color: var(--text);
}

.disclosure-flow li {
  padding: 0.35rem 0;
}

.disclosure-flow li strong {
  color: var(--argon-blue-dark);
}

.disclosure-rules ul {
  padding-left: 1.5rem;
  color: var(--text);
}

.disclosure-rules li {
  padding: 0.35rem 0;
}

/* ─── Tips utilisateurs ───────────────────────────────────────────────── */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tip {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.tip h4 {
  font-size: 1.05rem;
  margin-bottom: 1rem;
  color: var(--argon-blue-dark);
}

.tip ul {
  list-style: none;
  font-size: 0.95rem;
}

.tip li {
  padding: 0.3rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text);
  border-bottom: 1px solid var(--bg-alt);
}

.tip li:last-child {
  border-bottom: none;
}

.tip li::before {
  content: "•";
  position: absolute;
  left: 0.4rem;
  color: var(--argon-blue);
  font-weight: 700;
}

/* ─── Contact ─────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

.contact-card h3 {
  font-size: 1.05rem;
  margin-bottom: 1rem;
  color: var(--argon-blue-dark);
}

.contact-card a {
  color: var(--argon-blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}

.contact-card a:hover {
  text-decoration: underline;
}

.contact-card .small {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* ─── Footer ──────────────────────────────────────────────────────────── */
footer {
  background: var(--argon-blue-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 2rem 1rem;
  margin-top: 3rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  display: block;
  padding: 0.2rem 0;
  font-size: 0.92rem;
  transition: color 0.15s;
}

.footer-section a:hover {
  color: white;
}

.footer-section p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-meta {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-meta a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  section h2 {
    font-size: 1.5rem;
  }

  section {
    padding: 2.5rem 1.25rem;
  }
}