/* =============================================
   MI-ETUDE 2027 — Feuille de style principale
   ============================================= */

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:       #534D35;
  --primary-dark:  #3a3624;
  --primary-light: #6b6345;
  --gold:          #c9b97a;
  --gold-light:    #e0d09e;
  --cream:         #f5f2ea;
  --white:         #ffffff;
  --text:          #2c2a20;
  --text-light:    #6b6347;
  --border:        #ddd8c4;
  --shadow:        0 4px 24px rgba(83,77,53,0.12);
  --radius:        10px;
  --nav-h:         72px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- TYPOGRAPHY --- */
.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-eyebrow.centered { text-align: center; }

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.2;
  margin-bottom: 24px;
}
.section-title.centered { text-align: center; }

/* --- BUTTONS --- */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  margin-top: 8px;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-white {
  display: inline-block;
  background: var(--white);
  color: var(--primary);
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.15s;
}
.btn-white:hover { background: var(--cream); transform: translateY(-1px); }

.btn-outline {
  display: inline-block;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 11px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  backdrop-filter: blur(8px);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(83,77,53,0.1); }

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.02em;
}
.logo-year { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-link {
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-dark);
  background: var(--cream);
}
.nav-link.active { font-weight: 600; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 50%, rgba(201,185,122,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 80% at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 60%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--white), transparent);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9b97a' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  border: 1px solid rgba(201,185,122,0.5);
  color: var(--gold-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  color: var(--white);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-year {
  color: var(--gold);
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  letter-spacing: 0.03em;
  margin-bottom: 36px;
}

.hero-cta {
  display: inline-block;
  background: var(--gold);
  color: var(--primary-dark);
  padding: 15px 32px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all 0.2s;
}
.hero-cta:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.hero-scroll {
  position: absolute;
  bottom: 140px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(255,255,255,0.4);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-image-block {
  position: relative;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--cream), #ede8d8);
  border: 2px dashed var(--border);
}

.image-placeholder-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-light);
  font-size: 0.9rem;
  text-align: center;
}

.placeholder-icon { font-size: 3rem; }

.floating-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--primary);
  color: var(--white);
  padding: 16px 24px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  line-height: 1.2;
}
.fb-number {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
}
.fb-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* =============================================
   FEATURES SECTION
   ============================================= */
.features-section {
  padding: 100px 0;
  background: var(--cream);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.feature-icon { font-size: 2.2rem; }
.feature-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  color: var(--primary-dark);
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
}
.feature-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.03em;
  margin-top: 4px;
}

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  background: var(--primary);
  padding: 80px 0;
  text-align: center;
}
.cta-banner h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 12px;
}
.cta-banner p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  margin-bottom: 28px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--primary-dark);
  padding: 48px 0 32px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  color: var(--gold);
  font-weight: 600;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 24px;
  margin-bottom: 28px;
}
.footer-nav a {
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--gold); }
.footer-copy {
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: calc(var(--nav-h) + 60px) 0 60px;
  text-align: center;
  color: var(--white);
}
.page-hero-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto;
}

/* =============================================
   ROUTARD PAGE
   ============================================= */
.routard-section {
  padding: 80px 0;
}
.routard-intro {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.routard-intro p {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 12px;
}
.routard-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}
.map-container {
  width: 100%;
  height: 520px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--border);
  margin-bottom: 40px;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: var(--text-light);
}
.map-placeholder-icon { font-size: 3rem; }
.map-tip {
  background: var(--cream);
  border-left: 4px solid var(--gold);
  padding: 16px 20px;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

/* =============================================
   GAZETTE PAGE
   ============================================= */
.gazette-section { padding: 80px 0; }
.gazette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.gazette-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
}
.gazette-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.gazette-cover {
  height: 200px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--white);
}
.gazette-cover-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.gazette-cover-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
}
.gazette-cover-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-style: italic;
  opacity: 0.9;
}
.gazette-info {
  padding: 20px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.gazette-date {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.gazette-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  color: var(--primary-dark);
  font-weight: 600;
}
.gazette-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.55;
  flex: 1;
}
.gazette-dl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: var(--white);
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 8px;
  transition: background 0.2s;
}
.gazette-dl:hover { background: var(--primary-dark); }

/* =============================================
   PHOTOS PAGE
   ============================================= */
.photos-section { padding: 80px 0; }
.photos-intro {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 48px;
}
.photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.photo-item {
  aspect-ratio: 4/3;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cream), #ddd8c4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-light);
  cursor: pointer;
  transition: transform 0.2s;
  border: 1px solid var(--border);
}
.photo-item:hover { transform: scale(1.02); }
.photo-item.wide { grid-column: span 2; }

/* =============================================
   VIDEOS PAGE
   ============================================= */
.videos-section { padding: 80px 0; }
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.video-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s;
}
.video-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.video-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.video-play {
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 2px solid rgba(255,255,255,0.4);
  transition: background 0.2s;
}
.video-card:hover .video-play { background: var(--gold); }
.video-info { padding: 18px 20px; }
.video-dest {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.video-title {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.video-meta {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* =============================================
   ARCHIVES PAGE
   ============================================= */
.archives-section { padding: 80px 0; }
.archives-year {
  margin-bottom: 48px;
}
.archives-year-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--primary);
  border-bottom: 2px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 24px;
}
.archives-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.archive-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  transition: all 0.2s;
  cursor: pointer;
}
.archive-item:hover {
  border-color: var(--primary);
  background: var(--cream);
}
.archive-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.archive-info {}
.archive-num {
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 0.9rem;
}
.archive-date {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .photos-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-item.wide { grid-column: span 1; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-link { display: block; padding: 10px 14px; }
  .nav-toggle { display: flex; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .features-grid { grid-template-columns: 1fr; }
  .photos-grid { grid-template-columns: 1fr; }
  .about-section, .features-section, .routard-section,
  .gazette-section, .photos-section, .videos-section, .archives-section {
    padding: 60px 0;
  }
}