:root {
  --red:       #DD5626;
  --red-dark:  #B8421C;
  --red-light: #FAE9E3;
  --green:     #8BAB35;
  --green-dark:#6A8428;
  --green-light:#EEF4DC;
  --dark:      #1C1C18;
  --gray-50:   #F7F7F4;
  --gray-100:  #EDEDED;
  --gray-200:  #D4D4CE;
  --gray-400:  #9A9A94;
  --gray-600:  #5C5C56;
  --gray-900:  #1C1C18;
  --serif:     'Playfair Display', Georgia, serif;
  --sans:      'Inter', system-ui, sans-serif;
  --r:         8px;
  --shadow:    0 2px 12px rgba(0,0,0,.08);
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--gray-50); color: var(--gray-900); line-height: 1.6; }
img  { display: block; max-width: 100%; }
a    { text-decoration: none; color: inherit; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Topbar ── */
.topbar { background: var(--dark); padding: 5px 0; font-size: 11px; color: #aaa; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar a { color: #aaa; transition: color .15s; } .topbar a:hover { color: var(--green); }
.topbar-right { display: flex; gap: 16px; align-items: center; }
.topbar-btn { background: var(--red); color: #fff !important; padding: 3px 12px; border-radius: 40px; font-weight: 600; }

/* ── Navbar ── */
.navbar { background: #fff; border-bottom: 3px solid var(--red); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.nav-inner { display: flex; align-items: center; height: 70px; }
.nav-logo { display: flex; align-items: center; gap: 12px; margin-right: 28px; flex-shrink: 0; }
.nav-logo img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.logo-abbr { font-size: 21px; font-weight: 700; color: var(--red); font-family: var(--serif); line-height: 1; }
.logo-full { font-size: 9.5px; color: var(--gray-400); letter-spacing: .04em; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: 2px; list-style: none; flex: 1; }
.nav-link { display: block; padding: 7px 12px; font-size: 12.5px; font-weight: 500; color: var(--gray-600); border-radius: var(--r); transition: all .18s; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--red); background: var(--red-light); }
.nav-link-congres { background: var(--red); color: #fff !important; margin-left: 6px; }
.nav-link-congres:hover { background: var(--red-dark) !important; color: #fff !important; }
.nav-link-membre  { background: var(--green); color: #fff !important; }
.nav-link-membre:hover { background: var(--green-dark) !important; color: #fff !important; }
.nav-toggle { display: none; }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: var(--r); display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; margin-bottom: 8px; }
.alert-success { background: var(--green-light); border: 1px solid var(--green); color: var(--green-dark); }
.alert-error   { background: var(--red-light);   border: 1px solid var(--red);   color: var(--red-dark); }
.alert-warning { background: #FEF3C7; border: 1px solid #D97706; color: #92400E; }
.alert-close   { background: none; border: none; cursor: pointer; font-size: 18px; line-height: 1; opacity: .6; }
.alert-close:hover { opacity: 1; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 11px 22px; border-radius: var(--r); font-size: 13.5px; font-weight: 600; cursor: pointer; transition: all .18s; border: none; font-family: var(--sans); text-decoration: none; }
.btn-red    { background: var(--red);   color: #fff; } .btn-red:hover    { background: var(--red-dark);   transform: translateY(-1px); }
.btn-green  { background: var(--green); color: #fff; } .btn-green:hover  { background: var(--green-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.3); } .btn-outline:hover { border-color: #fff; }
.btn-outline-dark { background: transparent; color: var(--gray-600); border: 1.5px solid var(--gray-200); } .btn-outline-dark:hover { border-color: var(--gray-600); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-xs { padding: 4px 10px; font-size: 11px; border-radius: var(--r); border: 1.5px solid var(--gray-200); background: #fff; cursor: pointer; font-weight: 600; color: var(--gray-600); transition: all .18s; }
.btn-xs.ok { border-color: var(--green); color: var(--green); }
.btn-xs.ko { border-color: var(--red);   color: var(--red); }

/* ── Hero ── */
.hero { background: var(--dark); position: relative; overflow: hidden; min-height: 530px; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #1C1C18, #2A2A24 55%, #1a2010); }
.hero-c1 { position: absolute; top: -70px; right: -70px; width: 460px; height: 460px; border-radius: 50%; background: var(--green); opacity: .06; }
.hero-c2 { position: absolute; bottom: -90px; left: 160px; width: 360px; height: 360px; border-radius: 50%; background: var(--red); opacity: .08; }
.hero-inner { display: grid; grid-template-columns: 1fr 390px; gap: 52px; align-items: center; position: relative; z-index: 1; padding: 64px 24px; }
.hero-badge { display: inline-flex; background: rgba(139,171,53,.14); border: 1px solid rgba(139,171,53,.28); border-radius: 40px; padding: 4px 13px; font-size: 10.5px; color: var(--green); font-weight: 600; letter-spacing: .07em; text-transform: uppercase; margin-bottom: 16px; }
.hero-title { font-family: var(--serif); font-size: 44px; font-weight: 700; color: #fff; line-height: 1.15; margin-bottom: 13px; }
.hero-title .red { color: var(--red); } .hero-title .green { color: var(--green); }
.hero-sub { font-size: 15px; color: #ccc; line-height: 1.75; margin-bottom: 26px; max-width: 490px; }
.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-card { background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 24px; }
.hcard-label { font-size: 10px; text-transform: uppercase; letter-spacing: .09em; color: var(--green); font-weight: 700; margin-bottom: 12px; }
.hcard-edition { font-family: var(--serif); font-size: 18px; color: #fff; font-weight: 600; margin-bottom: 9px; }
.hcard-meta { font-size: 12px; color: #ccc; margin-bottom: 5px; }
.hcard-btns { display: flex; gap: 8px; margin-top: 13px; flex-wrap: wrap; }
.btn-sm-red { background: var(--red); color: #fff; border: none; } .btn-sm-red:hover { background: var(--red-dark); }
.btn-sm-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.25); } .btn-sm-outline:hover { border-color: rgba(255,255,255,.7); }

/* Countdown */
.countdown { display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; margin-top: 14px; }
.cb { background: rgba(255,255,255,.07); border-radius: var(--r); padding: 9px 5px; text-align: center; }
.cn { font-size: 22px; font-weight: 700; color: #fff; font-family: var(--serif); display: block; }
.cl { font-size: 9px; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); }

/* ── Stats bar ── */
.stats-bar { background: #fff; border-bottom: 1px solid var(--gray-100); padding: 20px 0; }
.stats-inner { display: grid; grid-template-columns: repeat(4,1fr); }
.stat-item { text-align: center; padding: 0 18px; border-right: 1px solid var(--gray-100); }
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 28px; font-weight: 700; font-family: var(--serif); color: var(--red); }
.stat-lbl { font-size: 11px; color: var(--gray-400); margin-top: 1px; }

/* ── Sections ── */
.section { padding: 60px 0; } .section-alt { background: #fff; }
.section-header { text-align: center; margin-bottom: 40px; }
.eyebrow { font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; font-weight: 600; color: var(--green); margin-bottom: 7px; }
.section-title { font-family: var(--serif); font-size: 33px; font-weight: 700; color: var(--gray-900); margin-bottom: 9px; }
.section-sub { font-size: 14.5px; color: var(--gray-400); max-width: 520px; margin: 0 auto; }
.section-more { text-align: center; margin-top: 32px; }

/* ── News grid ── */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.news-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); transition: transform .18s; }
.news-card:hover { transform: translateY(-3px); }
.news-img { height: 165px; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-img-placeholder { font-size: 52px; }
.news-cat { position: absolute; top: 11px; left: 11px; background: var(--red); color: #fff; font-size: 9.5px; font-weight: 700; padding: 3px 9px; border-radius: 40px; text-transform: uppercase; letter-spacing: .05em; }
.news-body { padding: 16px; }
.news-date { font-size: 10.5px; color: var(--gray-400); margin-bottom: 6px; }
.news-title { font-family: var(--serif); font-size: 15.5px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.news-excerpt { font-size: 12px; color: var(--gray-400); line-height: 1.6; }
.news-link { display: inline-flex; align-items: center; gap: 4px; margin-top: 9px; font-size: 11.5px; font-weight: 600; color: var(--red); cursor: pointer; }

/* ── Bureau ── */
.bureau-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.bureau-card { background: #fff; border-radius: 12px; padding: 20px; text-align: center; box-shadow: var(--shadow); border-top: 3px solid var(--red); }
.bureau-avatar { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 11px; font-size: 19px; font-weight: 700; color: #fff; font-family: var(--serif); }
.bureau-name { font-family: var(--serif); font-size: 13.5px; font-weight: 600; margin-bottom: 3px; }
.bureau-role { font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
.bureau-inst { font-size: 11px; color: var(--gray-400); }

/* ── Archives ── */
.archives-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.archive-card { background: #fff; border-radius: 12px; border: 1px solid var(--gray-100); overflow: hidden; box-shadow: var(--shadow); }
.archive-header { background: var(--gray-900); padding: 13px 15px; display: flex; justify-content: space-between; align-items: start; }
.archive-edition { font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--red); }
.archive-year { font-size: 10.5px; color: #aaa; }
.tag-archive { font-size: 9.5px; background: var(--green); color: #fff; padding: 2px 8px; border-radius: 40px; font-weight: 600; }
.archive-body { padding: 13px 15px; }
.archive-theme { font-size: 12px; font-weight: 600; margin-bottom: 4px; }
.archive-loc { font-size: 11px; color: var(--gray-400); margin-bottom: 9px; }
.archive-tag { font-size: 9.5px; background: var(--gray-100); color: var(--gray-600); padding: 2px 7px; border-radius: 40px; margin-right: 4px; display: inline-block; margin-bottom: 3px; }

/* ── Congrès hero ── */
.congres-hero { background: var(--dark); padding: 50px 0; position: relative; }
.congres-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg,#1C1C18,#1a2010); }
.congres-hero .container { position: relative; z-index: 1; }
.congres-kicker { font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--green); font-weight: 700; margin-bottom: 9px; }
.congres-title { font-family: var(--serif); font-size: 34px; color: #fff; font-weight: 700; margin-bottom: 6px; }
.congres-sub { font-size: 14px; color: #ccc; margin-bottom: 12px; }
.congres-deadline { display: inline-flex; background: rgba(221,86,38,.15); border: 1px solid rgba(221,86,38,.3); border-radius: 40px; padding: 5px 14px; font-size: 12px; color: #ffb899; margin-top: 8px; }

/* ── Form ── */
.form-card { background: #fff; border-radius: 12px; padding: 28px; box-shadow: var(--shadow); }
.fgrp { display: flex; flex-direction: column; gap: 4px; margin-bottom: 4px; }
.fgrp label { font-size: 10.5px; font-weight: 700; color: var(--gray-600); text-transform: uppercase; letter-spacing: .06em; }
.fgrp input, .fgrp select, .fgrp textarea { padding: 9px 12px; border: 1.5px solid var(--gray-200); border-radius: var(--r); font-size: 13px; font-family: var(--sans); color: var(--gray-900); transition: border .18s; background: #fff; width: 100%; box-sizing: border-box; }
.fgrp input:focus, .fgrp select:focus, .fgrp textarea:focus { outline: none; border-color: var(--green); }
.fgrp textarea { resize: vertical; min-height: 72px; }
.fgrp.has-error input, .fgrp.has-error select, .fgrp.has-error textarea { border-color: var(--red); }
.field-error { font-size: 11.5px; color: var(--red); margin-top: 3px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-section-title { font-size: 13px; font-weight: 700; color: var(--gray-900); border-bottom: 2px solid var(--gray-100); padding-bottom: 6px; margin-bottom: 14px; margin-top: 8px; }
.abstract-box { background: var(--gray-50); border: 1.5px solid var(--gray-100); border-radius: var(--r); padding: 16px; display: grid; gap: 12px; }
.ab-label { font-size: 10.5px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 3px; display: block; }
.req { color: var(--red); }

/* ── Badges ── */
.badge { font-size: 9px; font-weight: 700; padding: 3px 9px; border-radius: 40px; white-space: nowrap; text-transform: uppercase; display: inline-block; }
.badge-wait { background: #FEF3C7; color: #92400E; }
.badge-eval { background: #E0E7FF; color: #3730A3; }
.badge-ok   { background: var(--green-light); color: var(--green-dark); }
.badge-ko   { background: var(--red-light);   color: var(--red-dark); }
.badge-warn { background: #FEF3C7; color: #B45309; }

/* ── Login ── */
.login-wrap { min-height: 70vh; display: flex; align-items: center; justify-content: center; padding: 36px 24px; }
.login-card { background: #fff; border-radius: 16px; padding: 30px; width: 330px; box-shadow: var(--shadow); text-align: center; }
.login-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--red-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 13px; font-size: 22px; }
.login-title { font-family: var(--serif); font-size: 20px; font-weight: 700; margin-bottom: 3px; }
.login-sub { font-size: 11.5px; color: var(--gray-400); margin-bottom: 18px; }

/* ── Partners ── */
.pg { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.pc { background: #fff; border: 1px solid var(--gray-100); border-radius: var(--r); padding: 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.plvl { font-size: 9px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 2px 9px; border-radius: 40px; }
.lor  { background: #FEF3C7; color: #92400E; }
.linst { background: var(--green-light); color: var(--green-dark); }

/* ── Footer ── */
footer { background: var(--gray-900); color: #ccc; padding: 50px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-abbr { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--red); margin-bottom: 2px; }
.footer-name { font-size: 11px; color: var(--gray-400); }
.footer-brand p { font-size: 12px; color: var(--gray-400); line-height: 1.7; margin-top: 6px; }
.footer-col h4 { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--green); font-weight: 700; margin-bottom: 11px; }
.footer-col a { display: block; font-size: 12px; color: var(--gray-400); margin-bottom: 6px; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 18px; display: flex; justify-content: space-between; font-size: 11px; color: var(--gray-400); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .news-grid, .bureau-grid, .archives-grid { grid-template-columns: 1fr 1fr; }
  .pg { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 6px; }
  .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--gray-600); border-radius: 2px; }
  .nav-menu { display: none; position: absolute; top: 70px; left: 0; right: 0; background: #fff; border-bottom: 2px solid var(--red); flex-direction: column; padding: 12px; box-shadow: 0 8px 20px rgba(0,0,0,.1); z-index: 99; }
  .nav-menu.open { display: flex; }
  .nav-link-congres, .nav-link-membre { margin-left: 0; margin-top: 4px; }
  .navbar { position: relative; }
}
@media (max-width: 600px) {
  .news-grid, .bureau-grid, .archives-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .hero-title { font-size: 34px; }
}