/* Université de Bangui — Portail bientôt en ligne */
:root{
  --bg:#0b1220;
  --card:#121a2b;
  --muted:#9fb0d1;
  --text:#e6eefc;
  --accent:#27c3ff;
  --accent-2:#6cffb1;
  --shadow:0 20px 40px rgba(0,0,0,.35);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 20% -10%, #1b2a48 0%, transparent 60%), var(--bg);
  line-height:1.6;
}

.container{width:100%; max-width:1100px; margin:0 auto; padding: clamp(16px,2vw,24px);}

.site-header .container{display:flex; align-items:center; gap:16px; padding-top:24px; padding-bottom:8px;}
.logo{width:64px; height:64px}
.brand h1{margin:0; font-weight:800; letter-spacing:.5px}
.tagline{margin:.25rem 0 0; color:var(--muted)}

.hero{padding-top:32px; text-align:center}
.hero h2{font-size:clamp(28px, 4vw, 40px); margin:.5rem 0}
.lead{color:var(--muted); margin:0 auto 18px; max-width:680px}

.countdown{display:flex; justify-content:center; gap:18px; margin:22px 0 8px}
.countdown .unit{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius); padding:14px 18px; min-width:92px; box-shadow:var(--shadow)}
.num{display:block; font-size:clamp(28px,5vw,44px); font-weight:800; letter-spacing:1px}
.label{display:block; color:var(--muted); text-transform:uppercase; font-size:12px; letter-spacing:1.4px}

.cta-row{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin:18px 0 0}
.btn{display:inline-block; padding:12px 16px; border-radius:12px; border:1px solid rgba(255,255,255,.12); text-decoration:none; color:var(--text); background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02)); box-shadow:var(--shadow)}
.btn:hover{transform:translateY(-1px)}
.btn.disabled{opacity:.55; pointer-events:none}

.info{display:grid; grid-template-columns:1fr; gap:16px; margin-top:28px}
@media(min-width:840px){.info{grid-template-columns:1fr 1fr}}

.card{background:var(--card); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius); padding:18px 18px 20px; box-shadow:var(--shadow)}
.card h3{margin-top:0}

.inline-form{margin-top:8px}
.inline-form label{display:block; margin-bottom:6px; color:var(--muted)}
.inline-form .row{display:flex; gap:8px; align-items:center}
.inline-form input{flex:1; padding:12px 14px; border-radius:12px; border:1px solid rgba(255,255,255,.14); background:#0e1526; color:var(--text)}
.inline-form button{white-space:nowrap}

.hint{color:var(--muted); font-size:.9rem; margin-top:10px}

.site-footer{margin-top:32px; border-top:1px solid rgba(255,255,255,.08)}
.site-footer .container{display:flex; align-items:center; justify-content:space-between; gap:12px; padding-top:16px; padding-bottom:24px}
.site-footer small{color:var(--muted)}

.socials .icon{display:inline-flex; width:28px; height:28px; align-items:center; justify-content:center; border-radius:8px; border:1px solid rgba(255,255,255,.08); margin-left:8px; background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));}
.socials svg{width:16px; height:16px; fill:var(--accent)}