/* ============================================================
   Academia Volcanes — Sistema de diseño
   Colores de marca: azul cielo #1891C0, negro #0A0A0A, blanco
   ============================================================ */
:root{
  --azul:#1891C0;
  --azul-osc:#0f6c92;
  --azul-claro:#e7f5fb;
  --negro:#0a0a0a;
  --negro-2:#141619;
  --gris:#5b6470;
  --gris-claro:#eef1f4;
  --blanco:#ffffff;
  --rojo-esteli:#c0392b;
  --sombra:0 10px 30px rgba(10,10,10,.10);
  --sombra-fuerte:0 24px 60px rgba(10,10,10,.28);
  --radio:16px;
  --max:1200px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --font-cond:'Barlow Condensed',var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--negro);
  background:var(--blanco);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--azul-osc);text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-cond);line-height:1.03;margin:0 0 .4em;font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(2.6rem,6vw,5rem);text-transform:uppercase}
h2{font-size:clamp(2rem,4.4vw,3.2rem);text-transform:uppercase}
h3{font-size:1.5rem}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--dark{background:var(--negro);color:#f4f6f8}
.section--dark h2,.section--dark h3{color:#fff}
.section--blue{background:linear-gradient(135deg,var(--azul),var(--azul-osc));color:#fff}
.section--blue h2,.section--blue h3{color:#fff}
.section--gray{background:var(--gris-claro)}
.eyebrow{font-family:var(--font-cond);text-transform:uppercase;letter-spacing:3px;
  font-weight:600;color:var(--azul);font-size:1rem;margin-bottom:10px;display:block}
.section--dark .eyebrow,.section--blue .eyebrow{color:#8fd6f0}
.lead{font-size:1.2rem;color:var(--gris);max-width:720px}
.section--dark .lead{color:#c5cdd6}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-cond);
  text-transform:uppercase;letter-spacing:1px;font-weight:600;font-size:1.05rem;
  padding:14px 30px;border-radius:50px;border:2px solid transparent;cursor:pointer;
  transition:.2s transform,.2s box-shadow,.2s background;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--azul);color:#fff;box-shadow:0 8px 20px rgba(24,145,192,.35)}
.btn--primary:hover{background:var(--azul-osc)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--ghost:hover{background:#fff;color:var(--negro)}
.btn--dark{background:var(--negro);color:#fff}
.btn--dark:hover{background:#000}
.btn--wa{background:#25d366;color:#fff}
.btn--wa:hover{background:#1eb257}

/* ---------- Header / Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;
  max-width:var(--max);margin:0 auto;padding:10px 24px}
.nav__brand{display:flex;align-items:center;gap:12px;color:#fff;font-family:var(--font-cond);
  text-transform:uppercase;font-weight:700;font-size:1.25rem;letter-spacing:1px}
.nav__brand img{height:44px;width:44px;object-fit:contain;background:#fff;border-radius:10px;padding:3px}
.nav__brand span small{display:block;font-family:var(--font);font-size:.6rem;letter-spacing:3px;
  color:var(--azul);font-weight:600}
.nav__links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav__links a{color:#dfe4ea;font-family:var(--font-cond);text-transform:uppercase;
  font-size:.98rem;letter-spacing:.3px;padding:8px 9px;border-radius:8px;transition:.15s;white-space:nowrap}
.nav__links a:hover,.nav__links a.active{color:#fff;background:rgba(24,145,192,.25)}
.nav__cta{margin-left:8px}
.nav__toggle{display:none;background:none;border:0;color:#fff;font-size:1.8rem;cursor:pointer;line-height:1}
@media(max-width:960px){
  .nav__toggle{display:block}
  .nav__links{position:absolute;top:100%;left:0;right:0;background:var(--negro);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;
    display:none;border-bottom:2px solid var(--azul)}
  .nav__links.open{display:flex}
  .nav__links a{padding:12px 8px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav__cta{margin:10px 8px 0}
}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;
  color:#fff;overflow:hidden;background:var(--negro)}
.hero__bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;
  opacity:.42;filter:saturate(1.05)}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,10,10,.85) 0%,rgba(10,10,10,.55) 45%,rgba(24,145,192,.25) 100%)}
.hero__inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:60px 24px}
.hero__inner .lead{color:#e7edf2}
.hero h1{max-width:16ch;text-shadow:0 4px 30px rgba(0,0,0,.5)}
.hero__tag{font-family:var(--font-cond);text-transform:uppercase;letter-spacing:6px;
  color:var(--azul);font-weight:600;font-size:1.1rem}
.hero__cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.hero__page{min-height:46vh}
.hero__page h1{font-size:clamp(2.2rem,5vw,3.8rem)}

/* ---------- Grid / Cards ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra);
  overflow:hidden;transition:.2s transform,.2s box-shadow}
.card:hover{transform:translateY(-4px);box-shadow:var(--sombra-fuerte)}
.card__body{padding:26px}
.card__body h3{margin-bottom:.3em}
.card--pad{padding:30px}
.card__num{font-family:var(--font-cond);font-size:1.4rem;color:var(--azul);font-weight:700}
.icon-circle{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--azul-claro);color:var(--azul-osc);font-size:1.5rem;margin-bottom:14px;font-weight:700}

/* ---------- Split (imagen + texto) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split--rev .split__media{order:2}
@media(max-width:840px){.split{grid-template-columns:1fr;gap:30px}.split--rev .split__media{order:0}}
.split__media img{border-radius:var(--radio);box-shadow:var(--sombra);width:100%;
  aspect-ratio:4/3;object-fit:cover}
.split__media.portrait img{aspect-ratio:3/4}

/* ---------- Stats band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat__num{font-family:var(--font-cond);font-size:clamp(2.6rem,6vw,4rem);font-weight:700;
  color:var(--azul);line-height:1}
.section--dark .stat__num{color:#4cc3ec}
.stat__label{text-transform:uppercase;letter-spacing:2px;font-size:.85rem;color:var(--gris)}
.section--dark .stat__label{color:#aab4bf}

/* ---------- Valores / chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{background:var(--azul-claro);color:var(--azul-osc);font-family:var(--font-cond);
  text-transform:uppercase;letter-spacing:1px;font-weight:600;padding:8px 18px;border-radius:50px;font-size:1rem}

/* ---------- Staff ---------- */
.staff-hero{display:grid;grid-template-columns:340px 1fr;gap:40px;align-items:center}
@media(max-width:760px){.staff-hero{grid-template-columns:1fr}}
.staff-hero img{border-radius:var(--radio);box-shadow:var(--sombra-fuerte);aspect-ratio:3/4;object-fit:cover;object-position:top}
.badge{display:inline-block;background:var(--azul);color:#fff;font-family:var(--font-cond);
  text-transform:uppercase;letter-spacing:1px;padding:6px 16px;border-radius:50px;font-size:.9rem;margin-bottom:12px}
.badge--esteli{background:var(--rojo-esteli)}

/* ---------- Alianza ---------- */
.alianza{display:flex;align-items:center;gap:34px;flex-wrap:wrap;justify-content:center}
.alianza img{height:130px;width:auto;object-fit:contain}
.alianza .x{font-family:var(--font-cond);font-size:2.4rem;color:var(--gris)}

/* ---------- Blog ---------- */
.post-card{display:flex;flex-direction:column;height:100%}
.post-card img{aspect-ratio:16/10;object-fit:cover}
.post-card .card__body{flex:1;display:flex;flex-direction:column}
.post-card .date{font-size:.82rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--azul);font-weight:600}
.post-card .excerpt{color:var(--gris);flex:1}
.post-card .more{font-family:var(--font-cond);text-transform:uppercase;letter-spacing:1px;color:var(--azul-osc);font-weight:600}

/* ---------- Reglamento list ---------- */
.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:700px){.rules{grid-template-columns:1fr}}
.rule{background:#fff;border-left:4px solid var(--azul);border-radius:10px;
  padding:16px 20px;box-shadow:var(--sombra)}
.rule h4{margin:0 0 4px;font-size:1.15rem}
.rule p{margin:0;color:var(--gris);font-size:.96rem}

/* ---------- Timeline ---------- */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:28px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:3px;background:rgba(255,255,255,.25)}
.tl-item{position:relative;margin-bottom:30px}
.tl-item::before{content:"";position:absolute;left:-28px;top:6px;width:15px;height:15px;
  border-radius:50%;background:var(--azul);box-shadow:0 0 0 4px rgba(24,145,192,.25)}
.tl-item h4{margin:0 0 4px;color:#fff}
.tl-item p{margin:0;color:#c5cdd6}

/* ---------- Galería ---------- */
.gallery{columns:3;column-gap:16px}
@media(max-width:900px){.gallery{columns:2}}
@media(max-width:560px){.gallery{columns:1}}
.gallery img{width:100%;margin-bottom:16px;border-radius:12px;box-shadow:var(--sombra);
  break-inside:avoid;transition:.2s}
.gallery img:hover{transform:scale(1.01)}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.info-row .ic{width:44px;height:44px;flex:none;border-radius:12px;background:var(--azul-claro);
  color:var(--azul-osc);display:grid;place-items:center;font-size:1.2rem}
.info-row b{display:block}
.info-row span{color:var(--gris)}
.map-embed{border:0;width:100%;height:100%;min-height:340px;border-radius:var(--radio);box-shadow:var(--sombra)}
.socials{display:flex;gap:12px;margin-top:6px}
.socials a{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:#fff;box-shadow:var(--sombra);color:var(--negro);font-weight:700;transition:.2s}
.socials a:hover{transform:translateY(-3px);background:var(--azul);color:#fff}
.socials svg{width:22px;height:22px}

/* ---------- Footer ---------- */
.footer{background:var(--negro);color:#c5cdd6;padding:60px 0 26px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
@media(max-width:760px){.footer__grid{grid-template-columns:1fr}}
.footer h4{color:#fff;font-size:1.15rem;letter-spacing:1px}
.footer a{color:#c5cdd6;display:block;padding:4px 0}
.footer a:hover{color:var(--azul)}
.footer__brand img{height:56px;background:#fff;border-radius:12px;padding:6px;margin-bottom:14px}
.footer__lema{font-family:var(--font-cond);text-transform:uppercase;letter-spacing:4px;color:var(--azul)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;color:#8a949f}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}