:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.60);
  --line: rgba(255,255,255,.12);
  --brand: #38bdf8;
  --brand2: #22c55e;
  --danger: #fb7185;
  --ok: #34d399;
  --shadow: 0 16px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 26px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(56,189,248,.12), transparent 60%),
              radial-gradient(900px 700px at 80% 0%, rgba(34,197,94,.10), transparent 60%),
              #070b13;
  line-height:1.5;
}

a{color:inherit; text-decoration:none}
.container{
  width:min(1120px, calc(100% - 40px));
  margin-inline:auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto;
  padding:10px 14px; border-radius:999px;
  background:#0f172a; color:#fff; z-index:9999;
  border:1px solid var(--line);
}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(7,11,19,.55);
  border-bottom:1px solid var(--line);
}
.navbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:700; letter-spacing:.2px;
}
.brand .dot{
  width:12px; height:12px; border-radius:999px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
.nav-links{
  display:flex; gap:18px; align-items:center;
}
.nav-links a{
  color:var(--muted);
  padding:10px 12px; border-radius:999px;
  border:1px solid transparent;
}
.nav-links a:hover{color:var(--text); border-color: var(--line); background: rgba(255,255,255,.04);}
.nav-cta{
  display:flex; gap:10px; align-items:center;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18); transform: translateY(-1px);}
.btn.primary{
  border-color: rgba(56,189,248,.35);
  background: linear-gradient(135deg, rgba(56,189,248,.22), rgba(34,197,94,.16));
}
.btn.primary:hover{border-color: rgba(56,189,248,.55);}

/* Mobile menu */
.burger{display:none}
.burger button{
  width:44px; height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
}
.mobile-panel{
  display:none;
  padding:10px 0 18px;
}
.mobile-panel a{
  display:block;
  padding:12px 14px;
  border-radius:14px;
  color:var(--muted);
  border:1px solid transparent;
}
.mobile-panel a:hover{color:var(--text); border-color: var(--line); background: rgba(255,255,255,.04);}

/* Hero */
.hero{
  position:relative;
  border-radius: var(--radius2);
  overflow:hidden;
  margin:22px 0 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.10);
  background: #0b1220;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(90deg, rgba(7,11,19,.88) 0%, rgba(7,11,19,.55) 45%, rgba(7,11,19,.35) 100%),
    url("../img/fondo.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}
.hero-inner{
  position:relative;
  padding: min(70px, 8vw) min(44px, 5vw);
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items: center;
}
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  width: fit-content;
  font-size: 14px;
}
.kicker span{
  width:8px; height:8px; border-radius:999px;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
.hero h1{
  margin:14px 0 10px;
  font-size: clamp(30px, 4vw, 48px);
  line-height:1.08;
  letter-spacing:-.02em;
}
.hero p{
  margin:0;
  color:var(--muted);
  font-size: clamp(15px, 1.5vw, 18px);
  max-width: 58ch;
}
.hero-actions{
  margin-top:18px;
  display:flex;
  gap:12px;
  flex-wrap: wrap;
}
.hero-card{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.hero-card h3{
  margin:0 0 8px;
  font-size: 16px;
  color: rgba(255,255,255,.88);
}
.hero-card p{
  margin:0;
  color: var(--muted2);
  font-size: 14px;
}
.bullets{
  margin:14px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
.bullets li{
  display:flex; gap:10px; align-items:flex-start;
  color: var(--muted);
  font-size: 14px;
}
.badge{
  width:22px; height:22px;
  border-radius:8px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  display:grid; place-items:center;
  flex: 0 0 auto;
}
.badge svg{opacity:.9}

/* Layout */
.grid{
  display:grid;
  gap: 18px;
  grid-template-columns: 1.15fr .85fr;
  margin: 18px 0 34px;
  align-items:start;
}
.card{
  background: var(--card);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 12px 44px rgba(0,0,0,.25);
}
.card h2{
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing:-.01em;
}
.card p{margin: 0 0 14px; color:var(--muted)}
.hr{
  height:1px; background: var(--line);
  margin: 14px 0;
}

/* Form */
.form{ display:grid; gap: 12px; }
.row{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field label{
  display:block;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 6px;
}
.field input, .field textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(15,23,42,.30);
  color: var(--text);
  outline: none;
}
.field input:focus, .field textarea:focus{
  border-color: rgba(56,189,248,.55);
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
.field textarea{min-height: 140px; resize: vertical;}
.hint{ font-size: 12px; color: var(--muted2); margin-top: 6px; }

/* Alerts */
.alert{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  padding: 12px 12px;
  margin-bottom: 12px;
  background: rgba(255,255,255,.04);
}
.alert.ok{border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.10);}
.alert.err{border-color: rgba(251,113,133,.35); background: rgba(251,113,133,.10);}

/* Sidebar */
.info-list{
  margin: 0;
  padding: 0;
  list-style:none;
  display:grid;
  gap: 12px;
}
.info-item{
  display:flex; gap:12px; align-items:flex-start;
  padding: 12px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.icon{
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  display:grid; place-items:center;
  flex: 0 0 auto;
}
.info-item h4{ margin:0; font-size: 14px; color: rgba(255,255,255,.86); }
.info-item p{ margin:2px 0 0; font-size: 13px; color: var(--muted); }
.mini{ font-size: 12px; color: var(--muted2); }

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding: 18px 0;
  color: var(--muted2);
  font-size: 13px;
  display:flex;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.pill{
  display:inline-flex; align-items:center;
  padding: 7px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-size: 12px;
}
small.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace
}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{grid-template-columns: 1fr; gap: 18px;}
  .grid{grid-template-columns: 1fr;}
}
@media (max-width: 720px){
  .nav-links{display:none}
  .burger{display:block}
  .mobile-panel.show{display:block}
  .row{grid-template-columns: 1fr}
  .container{width:min(1120px, calc(100% - 28px));}
}