/* ============================================
   Site officiel — Dr El Hadji Abdourahmane Diouf
   Style institutionnel élégant
   ============================================ */

:root {
  --navy: #0a1f33;
  --navy-2: #10304d;
  --navy-3: #16405f;
  --gold: #c6a15b;
  --gold-light: #e0c48f;
  --ivory: #f8f5ef;
  --white: #ffffff;
  --text: #2b2f36;
  --text-light: #6b7280;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(10, 31, 51, 0.12);
  --transition: all 0.35s cubic-bezier(0.25, 0.6, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Jost', 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16.5px;
}

h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; color: var(--navy); line-height: 1.25; }

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

a { color: var(--gold); text-decoration: none; transition: var(--transition); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 31, 51, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.site-header.scrolled { background: rgba(10, 31, 51, 0.97); box-shadow: 0 4px 24px rgba(0,0,0,0.25); }

.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--gold);
  background: linear-gradient(135deg, var(--gold), #a3803f);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.05rem; color: var(--navy);
  letter-spacing: 0.5px; flex-shrink: 0;
}
.brand-text { line-height: 1.2; }
.brand-text .name { color: var(--white); font-family: 'Playfair Display', serif; font-size: 1.02rem; font-weight: 600; display: block; }
.brand-text .role { color: var(--gold-light); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1.6px; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: rgba(255,255,255,0.85); font-size: 0.86rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 1.1px; padding: 10px 13px; border-radius: 8px;
}
.main-nav a:hover { color: var(--gold-light); background: rgba(255,255,255,0.06); }
.main-nav a.active { color: var(--gold); }
.main-nav a.active::after { content: ''; display: block; height: 2px; background: var(--gold); margin-top: 3px; border-radius: 2px; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--white); margin: 6px 0; transition: var(--transition); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 55%, var(--navy-3) 100%);
  color: var(--white); padding: 140px 0 90px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 78% 30%, rgba(198,161,91,0.16), transparent 55%),
    radial-gradient(ellipse at 12% 85%, rgba(198,161,91,0.08), transparent 45%);
}
.hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; position: relative; }

.hero-kicker {
  display: inline-block; color: var(--gold); font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 3px; margin-bottom: 18px;
  padding: 8px 18px; border: 1px solid rgba(198,161,91,0.4); border-radius: 100px;
}
.hero h1 { color: var(--white); font-size: clamp(2.4rem, 5vw, 3.9rem); font-weight: 700; margin-bottom: 14px; }
.hero h1 .gold { color: var(--gold); }
.hero .subtitle { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--gold-light); font-family: 'Playfair Display', serif; font-style: italic; margin-bottom: 22px; }
.hero p.lead { color: rgba(255,255,255,0.82); max-width: 560px; margin-bottom: 34px; font-size: 1.05rem; }

.btn {
  display: inline-block; padding: 15px 34px; border-radius: 100px; font-weight: 600;
  font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1.5px; transition: var(--transition);
}
.btn-gold { background: linear-gradient(135deg, var(--gold), #ab8746); color: var(--navy); }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(198,161,91,0.35); }
.btn-outline { border: 1.5px solid rgba(255,255,255,0.45); color: var(--white); margin-left: 12px; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-3); transform: translateY(-3px); }

.hero-portrait { position: relative; }
.portrait-frame {
  aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; position: relative;
  border: 1px solid rgba(198,161,91,0.35);
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
  background: linear-gradient(160deg, var(--navy-2), var(--navy-3));
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.portrait-frame::after {
  content: ''; position: absolute; inset: 14px; border: 1px solid rgba(198,161,91,0.35);
  border-radius: 8px; pointer-events: none;
}
.hero-portrait .badge {
  position: absolute; bottom: -22px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--navy); font-weight: 600; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 1.5px; padding: 12px 28px; border-radius: 100px;
  white-space: nowrap; box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

/* placeholder si image manquante */
.ph { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px;
  width: 100%; height: 100%; color: rgba(255,255,255,0.45);
  background: linear-gradient(160deg, var(--navy-2), var(--navy-3)); text-align: center; padding: 20px; }
.ph .ph-icon { font-size: 3rem; opacity: 0.6; }
.ph small { font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- Bande chiffres ---------- */
.stats-band { background: var(--navy); padding: 56px 0; color: var(--white); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat .num { font-family: 'Playfair Display', serif; font-size: 2.6rem; font-weight: 700; color: var(--gold); }
.stat .label { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,0.75); margin-top: 4px; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section.alt { background: var(--ivory); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-head .kicker { color: var(--gold); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 3px; }
.section-head h2 { font-size: clamp(1.9rem, 3.5vw, 2.7rem); margin: 12px 0 16px; }
.section-head p { color: var(--text-light); }
.section-head .rule { width: 64px; height: 3px; background: linear-gradient(90deg, var(--gold), var(--gold-light)); margin: 20px auto 0; border-radius: 3px; }

/* Page hero (pages intérieures) */
.page-hero {
  background: linear-gradient(120deg, var(--navy), var(--navy-3));
  color: var(--white); padding: 170px 0 80px; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 20%, rgba(198,161,91,0.15), transparent 55%); }
.page-hero h1 { color: var(--white); font-size: clamp(2.1rem, 4.5vw, 3.2rem); position: relative; }
.page-hero p { color: var(--gold-light); font-family: 'Playfair Display', serif; font-style: italic; font-size: 1.15rem; margin-top: 12px; position: relative; }
.breadcrumb { position: relative; margin-bottom: 16px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; color: rgba(255,255,255,0.6); }
.breadcrumb a { color: var(--gold); }

/* ---------- Cards ---------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }

.card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); display: flex; flex-direction: column;
  border: 1px solid rgba(10,31,51,0.06);
}
.card:hover { transform: translateY(-8px); box-shadow: 0 24px 60px rgba(10,31,51,0.18); }
.card-img { aspect-ratio: 16 / 10; background: linear-gradient(160deg, var(--navy-2), var(--navy-3)); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.card-meta { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.8px; color: var(--gold); font-weight: 600; margin-bottom: 10px; }
.card h3 { font-size: 1.22rem; margin-bottom: 12px; }
.card p { color: var(--text-light); font-size: 0.95rem; flex: 1; }
.card .more { margin-top: 18px; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1.2px; }
.card .more:hover { letter-spacing: 2px; }

/* ---------- Citation ---------- */
.quote-band {
  background: linear-gradient(120deg, var(--navy), var(--navy-2));
  color: var(--white); padding: 90px 0; text-align: center; position: relative; overflow: hidden;
}
.quote-band::before { content: '\201C'; position: absolute; top: -40px; left: 50%; transform: translateX(-50%);
  font-family: 'Playfair Display', serif; font-size: 20rem; color: rgba(198,161,91,0.12); line-height: 1; }
.quote-band blockquote { font-family: 'Playfair Display', serif; font-size: clamp(1.3rem, 2.8vw, 1.9rem); font-style: italic;
  max-width: 860px; margin: 0 auto 24px; position: relative; line-height: 1.5; }
.quote-band cite { color: var(--gold); font-style: normal; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 2px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 22px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--gold), rgba(198,161,91,0.15)); }
.tl-item { position: relative; padding: 0 0 44px 70px; }
.tl-item::before { content: ''; position: absolute; left: 14px; top: 4px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--white); border: 3px solid var(--gold); box-shadow: 0 0 0 5px rgba(198,161,91,0.15); }
.tl-item .year { color: var(--gold); font-weight: 700; font-size: 0.95rem; letter-spacing: 1.5px; }
.tl-item h3 { font-size: 1.25rem; margin: 6px 0 8px; }
.tl-item p { color: var(--text-light); font-size: 0.97rem; }

/* ---------- Deux colonnes bio ---------- */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.split .img-col { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--navy-2), var(--navy-3)); }
.split .img-col img { width: 100%; height: 100%; object-fit: cover; }
.split h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 20px; }
.split p { color: var(--text-light); margin-bottom: 16px; }
.check-list { list-style: none; margin: 20px 0 30px; }
.check-list li { padding: 8px 0 8px 34px; position: relative; color: var(--text); }
.check-list li::before { content: '✦'; position: absolute; left: 4px; color: var(--gold); }

/* ---------- Vision / priorités ---------- */
.pillar { text-align: left; padding: 36px; }
.pillar .icon { width: 62px; height: 62px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(198,161,91,0.15), rgba(198,161,91,0.3)); font-size: 1.7rem; margin-bottom: 20px; }

/* ---------- Galerie ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.g-item { aspect-ratio: 1; border-radius: 12px; overflow: hidden; position: relative; cursor: pointer;
  background: linear-gradient(160deg, var(--navy-2), var(--navy-3)); box-shadow: var(--shadow); }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.g-item:hover img { transform: scale(1.08); }
.g-item .cap { position: absolute; inset: auto 0 0 0; padding: 30px 16px 14px; color: var(--white); font-size: 0.82rem;
  background: linear-gradient(transparent, rgba(10,31,51,0.9)); opacity: 0; transition: var(--transition); }
.g-item:hover .cap { opacity: 1; }
.g-item.wide { grid-column: span 2; aspect-ratio: auto; }

/* ---------- Réseaux sociaux ---------- */
.social-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-bottom: 60px; }
.social-card { border-radius: var(--radius); padding: 36px; color: var(--white); display: flex; flex-direction: column; gap: 12px;
  box-shadow: var(--shadow); transition: var(--transition); }
.social-card:hover { transform: translateY(-6px); }
.social-card.fb { background: linear-gradient(135deg, #1877f2, #0e4ea8); }
.social-card.tw { background: linear-gradient(135deg, #14171a, #000000); }
.social-card.ig { background: linear-gradient(135deg, #833ab4, #fd1d1d 70%, #fcb045); }
.social-card.yt { background: linear-gradient(135deg, #ff0000, #990000); }
.social-card.in { background: linear-gradient(135deg, #0a66c2, #084b8f); }
.social-card .s-icon { font-size: 2.2rem; }
.social-card h3 { color: var(--white); font-size: 1.35rem; }
.social-card p { color: rgba(255,255,255,0.85); font-size: 0.95rem; flex: 1; }
.social-card .follow { align-self: flex-start; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.35);
  color: var(--white); padding: 10px 24px; border-radius: 100px; font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px; }
.social-card .follow:hover { background: var(--white); color: var(--navy); }

.feeds { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; align-items: start; }
.feed-box { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; min-height: 500px;
  border: 1px solid rgba(10,31,51,0.06); }
.feed-box h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; font-size: 1.15rem;
  padding-bottom: 14px; border-bottom: 2px solid var(--ivory); }
.feed-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  min-height: 380px; color: var(--text-light); text-align: center; padding: 20px;
  border: 2px dashed rgba(10,31,51,0.15); border-radius: 10px; font-size: 0.92rem; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; }
.contact-info .info-item { display: flex; gap: 18px; margin-bottom: 28px; }
.contact-info .ci-icon { width: 52px; height: 52px; flex-shrink: 0; border-radius: 14px; display: flex; align-items: center;
  justify-content: center; background: linear-gradient(135deg, rgba(198,161,91,0.15), rgba(198,161,91,0.3)); font-size: 1.3rem; }
.contact-info h3 { font-size: 1.05rem; margin-bottom: 4px; }
.contact-info p { color: var(--text-light); font-size: 0.95rem; }

.contact-form { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px;
  border: 1px solid rgba(10,31,51,0.06); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: block; font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  color: var(--navy); margin: 18px 0 8px; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 14px 16px; border: 1.5px solid rgba(10,31,51,0.15); border-radius: 10px;
  font-family: inherit; font-size: 0.95rem; transition: var(--transition); background: var(--ivory);
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--gold); background: var(--white); }
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form button { margin-top: 26px; border: none; cursor: pointer; width: 100%; }
.form-note { font-size: 0.82rem; color: var(--text-light); margin-top: 14px; text-align: center; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--gold), #a8843f); padding: 70px 0; text-align: center; }
.cta-band h2 { color: var(--navy); font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 12px; }
.cta-band p { color: rgba(10,31,51,0.8); margin-bottom: 28px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.75); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 50px; }
.site-footer h4 { color: var(--white); font-size: 1.05rem; margin-bottom: 18px; }
.site-footer .about p { font-size: 0.92rem; margin-top: 14px; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { color: rgba(255,255,255,0.7); font-size: 0.92rem; }
.site-footer ul a:hover { color: var(--gold); padding-left: 5px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); color: var(--white); font-size: 1rem; }
.footer-social a:hover { background: var(--gold); color: var(--navy); transform: translateY(-4px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; text-align: center; font-size: 0.85rem; }
.footer-bottom .gold { color: var(--gold); }

/* ---------- Animations ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .hero-inner, .split, .contact-wrap { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 420px; margin: 0 auto; }
  .cards-3 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feeds, .social-cards { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed; top: 78px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: rgba(10,31,51,0.98); padding: 20px; gap: 4px;
    transform: translateY(-130%); transition: var(--transition); backdrop-filter: blur(12px);
  }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 14px 16px; text-align: center; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .cards-3, .cards-2 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .btn-outline { margin-left: 0; margin-top: 12px; }
}

.brand-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }