/* ============================================
   PMCHS — Styles partagés : Données & Publications
   ============================================ */

:root {
    --navy: #0d1b2e;
    --navy-mid: #1a3a5c;
    --navy-light: #2e5f8a;
    --accent: #4a9eca;
    --accent-soft: #7dbfe0;
    --gold: #c8a96e;
    --white: #f8fafc;
    --text: #e8edf4;
    --text-muted: #8faabf;
    --card-bg: rgba(26, 58, 92, 0.4);
    --border: rgba(74, 158, 202, 0.2);
  }

/* HERO */
.hero { text-align: center; padding: 116px 24px 60px; position: relative; overflow: hidden; }
.hero::before {
    content: ''; position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
    width: 700px; height: 700px;
    background: radial-gradient(ellipse, rgba(74, 158, 202, 0.08) 0%, transparent 70%);
    pointer-events: none;
  }
.hero-tag {
    display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 2.5px;
    text-transform: uppercase; color: var(--accent); border: 1px solid rgba(74, 158, 202, 0.3);
    padding: 5px 16px; border-radius: 20px; margin-bottom: 24px;
  }
.hero h1 {
    font-family: 'Playfair Display', serif; font-size: clamp(26px, 4.5vw, 42px);
    font-weight: 700; color: var(--white); line-height: 1.25; margin-bottom: 14px;
    max-width: 720px; margin-left: auto; margin-right: auto;
  }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-sub { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; font-weight: 300; line-height: 1.8; }
.hero-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 32px; }
.hero-stat { text-align: center; }
.hero-stat-num { font-family: 'Playfair Display', serif; font-size: 34px; font-weight: 700; color: var(--accent); display: block; }
.hero-stat-label { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }

/* DIVIDER / CONTAINER / SECTION TITLE */
.divider { width: 60px; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); margin: 40px auto; }
.container { max-width: 880px; margin: 0 auto; padding: 0 24px 80px; }
.section-title {
    font-family: 'Playfair Display', serif; font-size: 22px; color: var(--white);
    margin-bottom: 24px; display: flex; align-items: center; gap: 12px;
  }
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.intro-note {
    background: var(--card-bg); border: 1px solid var(--border); border-left: 3px solid var(--accent);
    border-radius: 0 12px 12px 0; padding: 22px 26px; margin-bottom: 40px;
    font-size: 14.5px; color: var(--text-muted); line-height: 1.8;
  }
.intro-note strong { color: var(--white); }

.draft-notice {
    background: linear-gradient(135deg, rgba(200, 169, 110, 0.15), rgba(13, 27, 46, 0.9));
    border: 1px solid rgba(200, 169, 110, 0.4); border-radius: 12px;
    padding: 18px 24px; margin-bottom: 40px; font-size: 13.5px; color: var(--gold); line-height: 1.7;
  }
.draft-notice strong { color: var(--white); }

/* STATS GRID (donnees-resultats, donnees-sondages) */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 48px; }
.stat-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
    padding: 24px 20px; text-align: center; transition: border-color 0.2s, transform 0.2s; backdrop-filter: blur(4px);
  }
.stat-card:hover { border-color: var(--accent-soft); transform: translateY(-2px); }
.stat-card-num { font-family: 'Playfair Display', serif; font-size: 38px; font-weight: 700; color: var(--accent); display: block; line-height: 1; margin-bottom: 8px; }
.stat-card-label { font-size: 13px; color: var(--text-muted); line-height: 1.4; }

/* FINDINGS */
.findings { display: flex; flex-direction: column; gap: 16px; margin-bottom: 48px; }
.finding {
    background: var(--card-bg); border: 1px solid var(--border); border-left: 3px solid var(--accent);
    border-radius: 0 10px 10px 0; padding: 18px 22px; display: flex; align-items: flex-start; gap: 16px; backdrop-filter: blur(4px);
  }
.finding-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.finding-content strong { display: block; color: var(--white); font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.finding-content p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.finding-content .highlight { color: var(--accent); font-weight: 700; background: rgba(74, 158, 202, 0.12); border-radius: 4px; padding: 1px 6px; }

/* HYPOTHESIS BOX */
.hypothesis {
    background: linear-gradient(135deg, rgba(26, 58, 92, 0.8), rgba(13, 27, 46, 0.9));
    border: 1px solid rgba(200, 169, 110, 0.3); border-radius: 16px; padding: 36px; margin-bottom: 48px;
    position: relative; overflow: hidden;
  }
.hypothesis-tag { font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; display: block; }
.hypothesis h3 { font-family: 'Playfair Display', serif; font-size: 20px; color: var(--white); margin-bottom: 14px; }
.hypothesis p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.hypothesis p strong { color: var(--gold); }

/* METHOD CARD (donnees-sondages) */
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 48px; }
.method-card { background: var(--card-bg); border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: 0 0 12px 12px; padding: 22px 20px; }
.method-card h4 { font-family: 'Playfair Display', serif; font-size: 15px; color: var(--white); margin-bottom: 8px; }
.method-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }

/* PREPRINT BOX (publications.html) */
.preprint-box {
  background: linear-gradient(135deg, rgba(26, 58, 92, 0.8), rgba(13, 27, 46, 0.9));
  border: 1px solid rgba(74, 158, 202, 0.3); border-radius: 16px; padding: 32px; margin-bottom: 32px;
  position: relative; overflow: hidden;
}
.preprint-box::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), transparent); border-radius: 16px 16px 0 0; }
.preprint-tag {
  display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--accent-soft); background: rgba(74, 158, 202, 0.1); border: 1px solid rgba(74, 158, 202, 0.25);
  border-radius: 20px; padding: 4px 12px; margin-bottom: 16px;
}
.preprint-box h3 { font-family: 'Playfair Display', serif; font-size: 17px; color: var(--white); line-height: 1.45; margin-bottom: 16px; }
.preprint-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.preprint-meta span { display: flex; align-items: center; gap: 5px; }
.preprint-meta strong { color: var(--text); }
.preprint-box p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; }
.preprint-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.doi-link {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 18px; background: rgba(74, 158, 202, 0.12);
  border: 1px solid rgba(74, 158, 202, 0.4); border-radius: 8px; font-size: 13px; font-weight: 600;
  color: var(--accent-soft); text-decoration: none; transition: all 0.2s;
}
.doi-link:hover { background: rgba(74, 158, 202, 0.22); color: var(--white); }

/* ARCHIVE ENTRIES (publications-archives.html) */
.archive-entry {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
    padding: 26px 28px; margin-bottom: 20px;
  }
.archive-entry h3 { font-family: 'Playfair Display', serif; font-size: 16px; color: var(--white); margin-bottom: 6px; }
.archive-version { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.archive-entry ul { list-style: none; padding: 0; margin: 0; }
.archive-entry li { font-size: 14px; color: var(--text-muted); line-height: 1.7; padding-left: 18px; position: relative; margin-bottom: 6px; }
.archive-entry li::before { content: '→'; position: absolute; left: 0; color: var(--accent); }

/* LIMITATIONS (donnees-limites.html) */
.limitation-card {
    background: var(--card-bg); border: 1px solid var(--border); border-left: 3px solid var(--gold);
    border-radius: 0 12px 12px 0; padding: 22px 26px; margin-bottom: 16px;
  }
.limitation-card h4 { font-family: 'Playfair Display', serif; font-size: 15.5px; color: var(--white); margin-bottom: 8px; }
.limitation-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* OBSERVATIONS placeholder (donnees-observations.html) */
.observation-section { margin-bottom: 40px; }
.observation-placeholder {
    background: linear-gradient(135deg, rgba(120, 60, 90, 0.15), rgba(13, 27, 46, 0.9));
    border: 1px dashed rgba(180, 100, 130, 0.4); border-radius: 14px;
    padding: 26px 28px; font-size: 14px; color: var(--text-muted); line-height: 1.8;
  }
.observation-placeholder strong { color: #c47a9a; }

/* NAV CARDS */
.nav-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 16px; }
.nav-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 24px 20px; text-decoration: none; transition: border-color 0.2s, transform 0.2s; display: flex; flex-direction: column; gap: 8px; }
.nav-card:hover { border-color: rgba(74, 158, 202, 0.5); transform: translateY(-2px); }
.nav-card-icon { font-size: 24px; }
.nav-card h4 { font-family: 'Playfair Display', serif; font-size: 15px; color: var(--white); line-height: 1.3; }
.nav-card p { font-size: 13px; color: var(--text-muted); line-height: 1.5; flex: 1; }
.nav-card-arrow { font-size: 13px; color: var(--accent); font-weight: 600; margin-top: 4px; }

/* TOPBAR boilerplate */
.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 200; height: 56px; background: rgba(13, 27, 46, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(74, 158, 202, 0.15); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.topbar-left { display: flex; align-items: center; gap: 24px; }
.nav-logo { font-family: 'Playfair Display', serif; font-size: 18px; font-weight: 700; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; text-decoration: none; flex-shrink: 0; }
.nav-links { display: flex; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.lang-toggle { display: flex; gap: 6px; }
.lang-btn { padding: 5px 12px; border: 1px solid var(--border); background: transparent; color: var(--text-muted); border-radius: 20px; cursor: pointer; font-size: 12px; font-family: 'Source Sans 3', sans-serif; font-weight: 500; letter-spacing: 0.5px; transition: all 0.2s; text-decoration: none; }
.lang-btn.active { background: var(--accent); border-color: var(--accent); color: white; }
.lang-btn:hover:not(.active) { border-color: var(--accent-soft); color: var(--accent-soft); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-muted); border-radius: 2px; transition: all 0.3s; }
.mobile-menu { display: none; position: fixed; top: 56px; left: 0; right: 0; z-index: 199; background: rgba(13, 27, 46, 0.98); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); padding: 16px 24px; flex-direction: column; gap: 4px; }
body > .container:first-of-type { padding-top: 72px; }

@media (max-width: 700px) { .nav-links { display: none; } .hamburger { display: flex; } }
@media (max-width: 600px) { .hero { padding: 96px 24px 40px; } .stats-grid { grid-template-columns: repeat(2, 1fr); } .hypothesis, .preprint-box { padding: 24px; } }