/* Scaleval — feuille de style du site temporaire */

:root {
  --navy: #0f2a5c;
  --navy-dark: #0a1d40;
  --gold: #c9962a;
  --gold-dark: #a97b1c;
  --bg: #ffffff;
  --bg-alt: #f5f6f8;
  --border: #e2e5ea;
  --text: #1c2733;
  --text-muted: #556072;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--navy);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand img {
  height: 32px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--gold-dark);
}

#lang-select {
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--navy);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
}

/* Hero */

.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 80px 0 64px;
  text-align: center;
}

.hero .eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(1.8rem, 4.2vw, 2.75rem);
  color: var(--navy-dark);
  margin: 0 0 18px;
  line-height: 1.2;
}

.hero h1 .strike {
  text-decoration: line-through;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 3px;
  opacity: 0.55;
}

.hero p.lead {
  max-width: 620px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
}

.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
  margin-left: 10px;
}

.btn-secondary:hover {
  background: var(--navy);
  color: #fff;
}

/* Sections */

section {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.6rem;
  color: var(--navy-dark);
  margin: 0 0 8px;
}

section .section-intro {
  color: var(--text-muted);
  margin: 0 0 36px;
  max-width: 640px;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.concept-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.concept-card h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin: 0 0 10px;
}

.concept-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Documents */

.docs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.docs-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  flex-wrap: wrap;
}

.docs-list .doc-label {
  font-weight: 600;
  color: var(--navy-dark);
}

.docs-list .doc-meta {
  display: block;
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.docs-list a.doc-link {
  color: var(--gold-dark);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.docs-list a.doc-link:hover {
  text-decoration: underline;
}

/* Join */

.join-box {
  background: var(--navy-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.join-box h2 {
  color: #fff;
}

.join-box p {
  color: #cfd8e6;
  max-width: 560px;
  margin: 0 auto 28px;
}

.join-box .btn-secondary {
  border-color: #fff;
  color: #fff;
}

.join-box .btn-secondary:hover {
  background: #fff;
  color: var(--navy-dark);
}

.join-box .email {
  margin-top: 20px;
  font-size: 0.95rem;
}

.join-box .email a {
  color: var(--gold);
}

/* Footer */

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: underline;
}

.site-footer .social-links {
  margin-top: 12px;
  display: flex;
  gap: 16px;
  justify-content: center;
}

.site-footer .social-links a {
  text-decoration: none;
  color: var(--navy);
  font-weight: 600;
}

html[dir="rtl"] .btn-secondary {
  margin-left: 0;
  margin-right: 10px;
}

html[dir="rtl"] .hero h1 .strike {
  text-decoration-color: var(--gold);
}

@media (max-width: 560px) {
  .site-nav {
    gap: 14px;
  }

  .btn-secondary {
    margin-left: 0;
    margin-top: 10px;
  }

  .join-box {
    padding: 28px 20px;
  }
}