:root{
  --bg:#000000;
  --fg:#ffffff;
  --muted:#b8b8b8;
  --accent:#e6e6e6;
  --card:#0a0a0a;
  --border:#1a1a1a;
  --radius:18px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:var(--font);line-height:1.6}
a{color:var(--fg);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--border)}
.brand{display:flex;gap:14px;align-items:center}
.brand img{width:54px;height:54px;object-fit:contain;border-radius:12px}
.brand h1{font-size:20px;letter-spacing:.12em;margin:0;font-weight:700}
.nav{display:flex;gap:18px}
.nav a{opacity:.85}
.nav a:hover{opacity:1}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;padding:60px 0}
.hero h2{font-size:44px;line-height:1.1;margin:0 0 16px;font-weight:800;letter-spacing:.01em}
.hero p{color:var(--muted);font-size:18px;margin:0 0 24px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{background:#ffffff;color:#000;padding:12px 18px;border-radius:999px;font-weight:700;border:1px solid #fff;transition:.2s}
.btn.secondary{background:transparent;color:#fff;border:1px solid var(--border)}
.btn:hover{transform:translateY(-1px);}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:18px 0 42px}
.card{background:var(--card);border:1px solid var(--border);padding:22px;border-radius:var(--radius)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.section{padding:42px 0;border-top:1px solid var(--border)}
.section h3{font-size:28px;margin:0 0 12px}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.kv .k{color:var(--muted)}
.badge{display:inline-block;border:1px solid var(--border);padding:6px 10px;border-radius:999px;font-size:12px;color:var(--muted)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form textarea{grid-column:1/-1;min-height:132px}
input, textarea{background:#0d0d0d;color:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 14px;outline:none}
input::placeholder, textarea::placeholder{color:#6f6f6f}
form .btn{grid-column:1/-1;justify-self:flex-start}
.footer{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:24px 0;color:var(--muted)}
.footer small{color:var(--muted)}
.hr{height:1px;background:var(--border);margin:24px 0}
.tagline{color:#d9d9d9;opacity:.9}
/* =============================
   LOGO PRINCIPAL (Hero)
   ============================= */
.logo-big {
  display: block;
  width: 320px;         /* antes 120px — ahora más grande */
  height: auto;
  margin-top: 10px;
  filter: drop-shadow(0 0 6px rgba(0,0,0,0.3));
  border-radius: 14px;
  opacity: 0;           /* inicio invisible */
  transform: translateY(20px);
  animation: fadeInUp 1.4s ease-out forwards;
}

/* Efecto hover sutil */
.logo-big:hover {
  transform: scale(1.05);
}

/* =============================
   EFECTOS DE APARICIÓN
   ============================= */
.hero h2,
.hero p,
.hero .cta {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1.4s ease-out forwards;
}

/* Escalonar el orden de aparición */
.hero h2 { animation-delay: 0.2s; }
.hero p  { animation-delay: 0.4s; }
.hero .cta { animation-delay: 0.6s; }
.logo-big  { animation-delay: 0.8s; }

@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

@media (max-width: 920px){
  .hero{grid-template-columns:1fr;gap:24px}
  .cards{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .logo-big{width:88px}
  .hero h2{font-size:36px}
}