/* ============================================
   PMCHS — Styles spécifiques : section Recherche
   (recherche / recherche-hypotheses / recherche-predictions / recherche-travaux-en-cours)
   ============================================ */

: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: 100px 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: 28px;
  }
.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: 16px; max-width: 760px;
    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: 640px; margin: 0 auto; font-weight: 300; line-height: 1.8; }

/* DIVIDER / CONTAINER */
.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 */
.section-title {
    font-family: 'Playfair Display', serif; font-size: 22px; color: var(--white);
    margin-bottom: 24px; display: flex; align-items: center; gap: 12px; scroll-margin-top: 72px;
  }
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* INTRO / DRAFT NOTICE */
.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); }
.intro-note a { color: var(--accent); }

.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); }
.draft-notice a { color: var(--accent-soft); }

/* CONTENT CARD */
.content-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px; margin-bottom: 28px; backdrop-filter: blur(4px); }
.content-card p { font-size: 14.5px; color: var(--text-muted); line-height: 1.8; margin-bottom: 14px; }
.content-card p:last-child { margin-bottom: 0; }
.content-card strong { color: var(--text); }
.content-card em { color: var(--accent-soft); font-style: italic; }

/* HYPOTHESIS GROUPS */
.hypo-group { margin-bottom: 36px; }
.hypo-group-label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; font-weight: 600; }

.hypo-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
    padding: 20px 24px; margin-bottom: 14px; display: flex; gap: 16px; align-items: flex-start;
  }
.hypo-num {
    flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
    background: rgba(74, 158, 202, 0.15); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; color: var(--accent); margin-top: 2px;
  }
.hypo-body h4 { font-family: 'Playfair Display', serif; font-size: 15px; color: var(--white); margin-bottom: 6px; line-height: 1.35; }
.hypo-body p { font-size: 13.5px; color: var(--text-muted); line-height: 1.65; }
.hypo-body a { color: var(--accent-soft); }

.hypo-status {
    display: inline-block; font-size: 10px; font-weight: 600; letter-spacing: 1px;
    text-transform: uppercase; padding: 2px 9px; border-radius: 12px; margin-top: 10px;
  }
.hypo-status.established { background: rgba(74, 158, 202, 0.12); color: var(--accent-soft); border: 1px solid rgba(74, 158, 202, 0.3); }
.hypo-status.current { background: rgba(200, 169, 110, 0.1); color: var(--gold); border: 1px solid rgba(200, 169, 110, 0.3); }
.hypo-status.exploratory { background: rgba(180, 100, 130, 0.1); color: #c47a9a; border: 1px solid rgba(180, 100, 130, 0.3); }

/* EVIDENCE LEVEL BADGE (established / mechanistic inference / PMCHS prediction) */
.evidence-badge {
    display: inline-block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.3px;
    padding: 2px 9px; border-radius: 999px; margin-top: 10px; margin-right: 6px;
  }
.evidence-badge.evidence-established { background: rgba(122, 196, 122, 0.12); color: #8fd48f; border: 1px solid rgba(122, 196, 122, 0.35); }
.evidence-badge.evidence-inference { background: rgba(212, 167, 60, 0.12); color: #e0b94a; border: 1px solid rgba(212, 167, 60, 0.35); }
.evidence-badge.evidence-prediction { background: rgba(168, 120, 196, 0.12); color: #c49ddc; border: 1px solid rgba(168, 120, 196, 0.35); }

/* PREDICTIONS */
.pred-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 22px 26px; margin-bottom: 16px; }
.pred-ref { font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.pred-card h4 { font-family: 'Playfair Display', serif; font-size: 15px; color: var(--white); margin-bottom: 8px; line-height: 1.4; }
.pred-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px; }
.pred-status { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; color: var(--text-muted); letter-spacing: 0.5px; text-transform: uppercase; }
.pred-status .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.pred-status.untested .dot { background: var(--text-muted); }
.pred-status.preliminary .dot { background: var(--gold); }
.pred-status.preliminary { color: var(--gold); }

/* PREPRINT BOX (reused pattern from recherche.css, kept for travaux-en-cours status line) */
.status-box {
    background: rgba(200, 169, 110, 0.07); border: 1px solid rgba(200, 169, 110, 0.25);
    border-radius: 12px; padding: 22px 26px; margin-bottom: 32px; font-size: 14px;
    color: var(--text-muted); line-height: 1.75;
  }
.status-box strong { color: var(--gold); }

/* CONGRÈS (reused verbatim from recherche.css) */
.congres-box {
    display: flex; gap: 20px; align-items: flex-start; background: rgba(200, 169, 110, 0.07);
    border: 1px solid rgba(200, 169, 110, 0.25); border-radius: 14px; padding: 24px 28px; margin-bottom: 24px;
  }
.congres-icon { font-size: 28px; flex-shrink: 0; }
.congres-tag { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.congres-content h3 { font-family: 'Playfair Display', serif; font-size: 16px; color: var(--white); margin-bottom: 8px; }
.congres-content p { font-size: 13.5px; color: var(--text-muted); line-height: 1.7; }
.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; margin-top: 10px;
  }
.doi-link:hover { background: rgba(74, 158, 202, 0.22); color: var(--white); }

/* NOTES GRID (reused verbatim from recherche.css) */
.notes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-bottom: 40px; }
.note-card { background: rgba(26, 58, 92, 0.5); border: 1px solid var(--border); border-radius: 12px; padding: 22px; transition: border-color 0.2s; }
.note-card:hover { border-color: rgba(74, 158, 202, 0.4); }
.note-tag { display: inline-block; font-size: 10px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.note-card h4 { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 8px; line-height: 1.4; }
.note-card p { font-size: 13px; color: var(--text-muted); line-height: 1.65; margin-bottom: 14px; }
.note-link { font-size: 12px; color: var(--accent-soft); text-decoration: none; font-weight: 600; transition: color 0.2s; }
.note-link:hover { color: var(--white); }

/* 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 (shared 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;
  }
.hero { padding-top: 116px !important; }
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: 80px 24px 40px; }
    .hypo-card { flex-direction: column; }
    .congres-box { flex-direction: column; gap: 12px; padding: 20px; }
    .notes-grid { grid-template-columns: 1fr; }
    .content-card { padding: 20px; }
  }