/* ====== Diseño CEA AZARI ====== */
:root{
  --bg:#0f172a;           /* slate-900 */
  --card:#0b1227;         /* deep */
  --muted:#94a3b8;        /* slate-400 */
  --text:#e2e8f0;         /* slate-200 */
  --primary:#58b7dd;      /* celeste institucional */
  --accent:#b0dff0;
  --ring: rgba(88,183,221,.35);
  --shadow: 0 10px 30px rgba(16,24,40,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#0b1022, #0f172a 60%);scroll-behavior:smooth}

.container{width:min(1100px,90%);margin:auto}

.header{position:relative;overflow:hidden;background:
 radial-gradient(1200px 500px at 10% -10%, rgba(88,183,221,.25), transparent 60%),
 radial-gradient(900px 400px at 90% -20%, rgba(176,223,240,.18), transparent 55%);
}

.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--text);font-weight:700;letter-spacing:.5px}
.brand img{width:44px;height:44px;object-fit:contain;filter:drop-shadow(0 4px 10px rgba(0,0,0,.25))}
.nav-menu{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.nav-menu a{color:var(--text);text-decoration:none;padding:10px 14px;border-radius:12px;opacity:.9}
.nav-menu a:hover{background:rgba(255,255,255,.06)}
.nav-toggle{display:none;background:transparent;border:0;color:var(--text);font-size:1.8rem}

.btn{display:inline-block;padding:12px 18px;border-radius:14px;background:linear-gradient(90deg,var(--primary),#4bc3f0);color:#031321;text-decoration:none;font-weight:700;box-shadow:var(--shadow);border:0}
.btn:hover{transform:translateY(-1px)}
.btn-outline{background:transparent;border:1.5px solid var(--accent);color:var(--text);box-shadow:none}
.btn-sm{padding:8px 12px;border-radius:10px}

.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:2rem;padding:40px 0 70px}
.hero h1{font-size:clamp(32px,4.5vw,56px);margin:0 0 10px;line-height:1.05}
.hero p{color:var(--muted);max-width:52ch}
.hero-ctas{display:flex;gap:12px;margin:18px 0 10px}
.stats{display:flex;gap:22px;margin-top:18px}
.stats div{background:rgba(255,255,255,.06);padding:10px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.08)}
.stats strong{font-size:1.05rem}
.hero-media{position:relative}
.hero-badge{width:100%;border-radius:18px;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}

.wave{height:60px;background:linear-gradient(180deg, transparent, rgba(255,255,255,.04));mask: radial-gradient(70px 30px at 50% 0, #0000 98%, #000) top/140px 100% repeat-x}

.section-title{margin:0 0 10px}

.about{padding:70px 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.card{background:rgba(255,255,255,.04);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.about-media img{width:100%;border-radius:12px}
.checklist{padding-left:1.2rem}
.checklist li{margin:.4rem 0}
.ribbons{display:flex;gap:8px;margin-top:10px}
.ribbons span{background:linear-gradient(90deg,var(--accent),var(--primary));color:#04121f;padding:6px 10px;border-radius:999px;font-weight:800;font-size:.75rem}

.tracks{padding:70px 0;background:
 radial-gradient(800px 300px at -10% 40%, rgba(88,183,221,.15), transparent 60%),
 radial-gradient(800px 300px at 110% 60%, rgba(176,223,240,.12), transparent 55%);}
.tracks .lead{color:var(--muted)}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.2rem}
.track h3{margin:0 0 .4rem}
.track{transition:transform .15s ease, box-shadow .15s ease}
.track:hover{transform:translateY(-3px)}

.gallery{padding:70px 0}
.masonry{columns:4 250px;column-gap:12px}
.masonry img{width:100%;margin:0 0 12px;border-radius:12px;border:1px solid rgba(255,255,255,.08)}

.location{padding:70px 0}
.location-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.map iframe{width:100%;height:340px;border:0;border-radius:12px}

.contact{padding:70px 0}
.form{max-width:900px;margin:auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form label{display:flex;flex-direction:column;gap:.4rem;font-weight:600}
input,select,textarea{width:100%;padding:12px 12px;border-radius:12px;border:1.5px solid transparent;background:#0e1732;color:var(--text);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--ring);box-shadow:0 0 0 4px var(--ring)}
.form-note{color:var(--muted);font-size:.9rem;margin-top:10px}

.footer{margin-top:30px;border-top:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:1rem;padding:26px 0}
.footer-brand img{width:54px}
.footer a{color:var(--text);text-decoration:none;opacity:.9}
.footer a:hover{opacity:1}
.copy{text-align:center;color:var(--muted);padding:10px 0 20px;border-top:1px dashed rgba(255,255,255,.06)}

.highlight{background:linear-gradient(90deg,var(--accent),var(--primary));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ====== Responsive ====== */
@media (max-width: 900px){
  .hero{grid-template-columns:1fr;gap:1.2rem;padding:20px 0 50px}
  .about-grid,.location-grid{grid-template-columns:1fr}
  .grid-cards{grid-template-columns:1fr 1fr}
}

@media (max-width: 720px){
  .nav-toggle{display:block}
  .nav-menu{position:absolute;inset:60px 0 auto auto;background:#0c142c;padding:10px 20px;border-radius:12px;border:1px solid rgba(255,255,255,.08);display:none;flex-direction:column;align-items:flex-start;margin-right:5%;}
  .nav-menu.show{display:flex}
  .grid-cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}