:root{
  --bg:#06140c;
  --surface:#0a1b12;
  --card:#0d2519;
  --text:#e8fdf0;
  --muted:#c8e7d4;
  --accent:#22c55e;
  --accent-2:#16a34a;
  --ring: rgba(34,197,94,.35);
  color-scheme: dark;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(34,197,94,.18) 10%, transparent 60%),
    radial-gradient(900px 600px at 100% 0%, rgba(22,163,74,.15) 10%, transparent 50%),
    linear-gradient(180deg, #06140c 0%, #031009 100%);
  color:var(--text);
  line-height:1.5;
}

.container{
  width:min(1120px, 92vw);
  margin-inline:auto;
  padding-inline: clamp(12px, 2vw, 24px);
}

.site-header{
  position:sticky; top:0; z-index:10;
  backdrop-filter:saturate(1.2) blur(10px);
  background:linear-gradient(to bottom, rgba(6,20,12,.85), rgba(6,20,12,.55));
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:14px;
}
.brand-logo {
  height: 42px;
  width: auto;
  display: block;
}
@media (min-width: 720px) {
  .brand-logo { height: 50px; }
}

.social-nav{display:flex; gap:8px; align-items:center; flex-wrap:wrap}
.social{
  display:inline-flex; align-items:center; gap:8px;
  text-decoration:none; color:var(--text); font-weight:600; font-size:.95rem;
  padding:8px 12px; border-radius:999px; background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.social i{font-size:18px}
.social span{display:inline}
.social:hover{transform: translateY(-1px)}

/* Colores hover por red */
.social[href*="facebook.com"]:hover {
  background: #1877f2;
  border-color: #1877f2;
  color: #fff;
}
.social[href*="twitter.com"]:hover {
  background: #000000;
  border-color: #000000;
  color: #fff;
}
.social[href*="instagram.com"]:hover {
  background: radial-gradient(circle at 30% 100%, #fdf497 0%, #fdf497 5%,
    #fd5949 45%, #d6249f 60%, #285AEB 90%);
  border-color: transparent;
  color: #fff;
}
.social[href*="youtube.com"]:hover {
  background: #ff0000;
  border-color: #ff0000;
  color: #fff;
}
.social[href*="tiktok.com"]:hover {
  background: #010101;
  border-color: #010101;
  color: #fff;
}

.hero{padding-block: clamp(36px, 6vw, 72px)}
.hero .container{display:grid; gap:28px; align-items:center}
@media (min-width:900px){ .hero .container{grid-template-columns: 1.1fr 1fr; gap:48px} }
.copy h1{font-size: clamp(1.6rem, 2.2vw + 1rem, 3rem); margin:0 0 12px}
.copy p{max-width:60ch; color:var(--muted); margin:0 0 20px}
.cta{display:flex; gap:12px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  text-decoration:none; font-weight:700; letter-spacing:.2px;
  padding:12px 16px; border-radius:14px; border:1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  will-change: transform;
}
.btn.primary{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#031009;
  box-shadow:0 10px 30px -10px var(--ring)
}
.btn.primary:hover{transform: translateY(-1px); box-shadow:0 16px 38px -18px var(--ring)}
.btn.ghost{background:transparent; color:var(--text); border-color:rgba(255,255,255,.18)}
.btn.ghost:hover{background:rgba(34,197,94,.08); border-color:rgba(34,197,94,.25)}

.video-wrap{
  width:100%; aspect-ratio:16/9; background: #03160d; border-radius:16px; overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow: 0 20px 60px -30px var(--ring);
}
.video-wrap iframe{width:100%; height:100%; border:0; display:block}

.grid-cards{padding-block: clamp(24px, 5vw, 64px)}
.grid-cards .container{display:grid; gap:14px}
@media (min-width:720px){ .grid-cards .container{grid-template-columns: repeat(2, minmax(0,1fr)); gap:18px} }
.card{
  background:linear-gradient(180deg, var(--card), rgba(13,37,25,.9));
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px; padding:18px;
  min-height: 160px;
  display:flex; flex-direction:column; gap:8px; justify-content:space-between;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover{transform: translateY(-2px); border-color:rgba(34,197,94,.35); box-shadow:0 18px 40px -28px var(--ring)}
.card h3{margin:.25rem 0}
.card p{color:var(--muted); margin:0}
.card-link{
  align-self:flex-start; margin-top:6px;
  display:inline-block; color:var(--accent); font-weight:700; text-decoration:none;
  border-bottom:1px dashed rgba(34,197,94,.6);
}

.site-footer{border-top:1px solid rgba(255,255,255,.06); padding-block:18px; color:var(--muted); text-align:center}

/* Icono en el título de la card */
.card h3 i {
  margin-right: 6px;
  color: var(--accent);
}