:root{
  --bg:#0e0f13;
  --card:#10141c;
  --card-2:#0b1018;
  --text:#eef0f5;
  --muted:#aab0c0;
  --brand:#00B5C9;
  --brand-2:#59C36A;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
}
.container{width:min(1100px,92vw);margin:0 auto}
a{color:var(--text);text-decoration:none}
a:hover{opacity:.9}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(14,15,19,.7);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-wrap{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800}
.logo-img{height:34px;border-radius:8px}
.brand-name{letter-spacing:.2px}
.nav{display:flex;gap:1.1rem;align-items:center}
.nav a{opacity:.95}
.btn--sm{padding:.55rem .8rem;border-radius:.7rem;font-size:.9rem}

/* Hamburguesa (solo mobile) */
.nav-toggle{display:none;background:transparent;border:0;color:#fff;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:4px 0;transition:.25s}

/* ===== HERO ===== */
.hero{position:relative;height:100vh;min-height:560px;overflow:hidden}
.hero-slider{position:relative;height:100%}
.slide{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity 1.4s ease-in-out,visibility 0s linear 1.4s;
  display:flex;align-items:center;
}
.slide.active{opacity:1;visibility:visible;pointer-events:auto;transition:opacity 1.4s ease-in-out}
.hero-overlay{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(1200px 600px at 20% 20%, rgba(0,0,0,.38), transparent 55%),
    linear-gradient(90deg, rgba(6,10,14,.62) 0%, rgba(6,10,14,.30) 50%, rgba(6,10,14,.10) 75%, rgba(6,10,14,0) 100%);
}
.hero-content{position:relative;z-index:1;max-width:760px;padding:clamp(12px,2vw,20px)}
.hero-content h1{font-size:clamp(2.1rem,5.2vw,3.2rem);line-height:1.15;margin:0 0 .6rem}
.grad{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-content p{color:var(--muted);max-width:55ch;margin:.5rem 0 1.2rem}
.hero-content h1,.hero-content p,.hero .btn{ text-shadow:0 2px 6px rgba(0,0,0,.55),0 10px 28px rgba(0,0,0,.35) }
.cta-row{display:flex;gap:.7rem;flex-wrap:wrap}
.trust{display:flex;gap:1rem;flex-wrap:wrap;color:var(--muted);padding:0;margin:1.2rem 0 0;list-style:none}
.trust li{display:flex;align-items:center;gap:.4rem;padding:.35rem .6rem;border:1px solid rgba(255,255,255,.08);border-radius:.6rem}

/* ===== BOTONES ===== */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;padding:.9rem 1.1rem;border-radius:.9rem;font-weight:700;
  box-shadow:var(--shadow);transition:transform .04s ease,box-shadow .2s ease;border:0
}
.btn:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.btn--ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff}
.btn--green{background:linear-gradient(135deg,#59C36A,#89e3a2)}
.btn--promo{position:relative;background:linear-gradient(135deg,#59C36A,#00B5C9);color:#fff;padding:1rem 1.5rem;border-radius:12px;font-weight:800;overflow:hidden}
.btn--promo .btn-glow{position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.35),transparent 70%);mix-blend-mode:overlay;animation:pulse 2s infinite ease-in-out}
.btn--promo .btn-arrow{margin-left:.4rem;transition:transform .3s}
.btn--promo:hover .btn-arrow{transform:translateX(5px)}
@keyframes pulse{0%{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}100%{opacity:.5;transform:scale(1)}}

/* ===== SECCIONES ===== */
.section{padding:64px 0}
.section-alt{background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0) 70%); border-top:1px solid rgba(255,255,255,.06); border-bottom:1px solid rgba(255,255,255,.06)}
.section-head{text-align:center;margin:0 0 24px}
.section-head h2{font-size:clamp(1.6rem,2.3vw,2.2rem);margin:.2rem 0 .4rem}
.section-head p{color:var(--muted)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:14px}
.card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:20px;box-shadow:var(--shadow);transition:transform .08s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.16)}
.card-img{width:100%;height:auto;border-radius:12px;margin-bottom:10px;display:block}
.card h3{margin:.2rem 0 .4rem;font-size:1.1rem}
.card p{color:var(--muted);margin:.2rem 0 .8rem}
.card .meta{display:flex;gap:.6rem;align-items:center;color:#e5e7eb}
.card .meta span{padding:.25rem .5rem;border:1px solid rgba(255,255,255,.1);border-radius:.5rem;font-size:.9rem}
.card--focus{outline:1px solid rgba(255,255,255,.08)}

/* Promo */
.promo{background:url('../img/banner-full.jpg') center/cover no-repeat, linear-gradient(135deg,#0b1b1d,#0a181a)}
.promo-wrap{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.list{margin:.6rem 0 0;padding-left:1.1rem;color:var(--muted)}

/* Videos */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.video-card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:12px}
.video-card video{width:100%;border-radius:10px;display:block;background:#000}
.video-card p{color:var(--muted);margin:.5rem 0 0}

/* Partners */
.carousel{overflow:hidden;position:relative}
.carousel-track{display:flex;gap:40px;align-items:center;animation:scroll 25s linear infinite;width:max-content}
.carousel img{height:46px;opacity:.9;filter:grayscale(100%);transition:filter .2s,opacity .2s}
.carousel img:hover{filter:grayscale(0%);opacity:1}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* Mapa */
.map-wrap{height:380px;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}
.map-wrap iframe{width:100%;height:100%;border:0}

/* Contacto */
.contact{border-top:1px solid rgba(255,255,255,.06)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.contact-cta{display:flex;gap:.6rem;margin:.8rem 0}
.contact-list{color:var(--muted);list-style:none;padding:0;margin:1rem 0 0}
.form{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.form label{display:block;font-weight:600;margin:.4rem 0}
.form input,.form select,.form textarea{width:100%;margin-top:.3rem;padding:.8rem;border-radius:.6rem;border:1px solid rgba(255,255,255,.12);background:#0f121d;color:var(--text)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--brand)}
.form button{margin-top:.6rem}
.form-note{color:var(--muted);font-size:.9rem;margin:.4rem 0 0}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,.06);padding:30px 0;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px;align-items:start}
.foot-list{list-style:none;margin:.4rem 0 0;padding:0;color:var(--muted)}
.foot-note{color:var(--muted);margin:.4rem 0 0}
.social-links{list-style:none;padding:0;margin:.4rem 0 0;display:grid;gap:.35rem}
.icon{width:20px;height:20px;fill:currentColor;opacity:.9}
.brand--footer{display:flex;align-items:center;gap:.6rem}

/* ===== Fade-up on scroll ===== */
.fade-up{opacity:0;transform:translateY(20px);transition:opacity .8s ease,transform .8s ease}
.fade-up.visible{opacity:1;transform:none}

/* ===== BREAKPOINTS (MOBILE FIRST) ===== */
@media (max-width: 900px){
  /* header móvil */
  .nav-toggle{display:block}
  .nav{
    position:fixed;inset:60px 0 auto 0;
    background:rgba(10,12,16,.96);
    backdrop-filter:blur(8px);
    padding:14px 20px;display:grid;gap:12px;
    border-bottom:1px solid rgba(255,255,255,.08);
    transform:translateY(-120%);transition:transform .3s;z-index:39
  }
  .nav.open{transform:translateY(0)}
  /* hero y layout */
  .hero{height:86vh}
  .hero-content{text-align:center}
  .cta-row{justify-content:center}
  .cards{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr 1fr}
  .promo-wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .video-grid{grid-template-columns:1fr}
}