:root{
  --bg:#070A10;
  --card:#0B1220;
  --text:#EAF0FF;
  --muted:rgba(234,240,255,.68);
  --muted2:rgba(234,240,255,.52);
  --line:rgba(234,240,255,.10);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --max: 1120px;
  --accent: rgba(94,234,212,.95);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  background:
    radial-gradient(900px 600px at 25% 0%, rgba(96,165,250,.14), transparent 60%),
    radial-gradient(900px 600px at 75% 10%, rgba(94,234,212,.12), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height:1.55;
}
a{ color:inherit; text-decoration:none; }
.container{ max-width: var(--max); margin:0 auto; padding: 0 20px; }

.topbar{
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(7,10,16,.60);
  border-bottom: 1px solid var(--line);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0; gap: 16px;
}
.brand{ display:flex; align-items:center; gap: 10px; font-weight: 850; letter-spacing:-.02em; }
.dot{
  width:10px; height:10px; border-radius:999px;
  background: var(--accent);
  box-shadow: 0 0 22px rgba(94,234,212,.35);
}
.brand small{ color: var(--muted2); font-weight:650; font-size:12px; margin-left: 6px; }
.nav{ display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; align-items:center; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(234,240,255,.03);
  color: var(--text);
  font-weight: 850;
  cursor:pointer;
  user-select:none;
  white-space:nowrap;
  transition: transform .06s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn:hover{ background: rgba(234,240,255,.06); border-color: rgba(234,240,255,.18); }
.btn:active{ transform: translateY(1px); }
.btn-primary{
  border-color: rgba(94,234,212,.35);
  background: linear-gradient(135deg, rgba(94,234,212,.22), rgba(96,165,250,.12));
  box-shadow: 0 10px 30px rgba(94,234,212,.10);
}
.btn-primary:hover{
  border-color: rgba(94,234,212,.55);
  background: linear-gradient(135deg, rgba(94,234,212,.28), rgba(96,165,250,.14));
}
.btn-ghost{ border-color: rgba(234,240,255,.10); background: rgba(234,240,255,.02); color: var(--muted); }

.hero{ padding: 56px 0 22px; }
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 12px;
  border: 1px solid rgba(94,234,212,.25);
  background: rgba(94,234,212,.06);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}
h1{ margin: 14px 0 10px; font-size: clamp(30px, 4vw, 46px); line-height:1.1; letter-spacing:-.03em; }
.lead{ margin:0 0 16px; color: var(--muted); font-size: 16px; max-width: 72ch; }

.grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:14px; align-items:start; margin-top: 16px; }
.card{
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11,18,32,.92), rgba(11,18,32,.82));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.section{ margin:0 0 8px; font-size: 13px; color: var(--muted2); text-transform: uppercase; letter-spacing:.02em; }
.bullets{ margin: 10px 0 0; padding-left: 18px; color: rgba(234,240,255,.86); }
.bullets li{ margin: 10px 0; }
.muted{ color: var(--muted); }
.footer{
  padding: 26px 0 46px;
  border-top: 1px solid var(--line);
  margin-top: 18px;
  color: var(--muted2);
  font-size: 13px;
}
@media (max-width: 980px){
  .grid{ grid-template-columns: 1fr; }
}
/* ===== PREMIUM CTA ===== */

.btn-primary{
  position:relative;
  padding:13px 22px;
  font-weight:700;
  letter-spacing:.3px;

  background: linear-gradient(
    135deg,
    rgba(90,220,200,.95),
    rgba(60,180,255,.85)
  );

  border: 1px solid rgba(90,220,200,.65);
  color:#0b1220;

  box-shadow:
    0 12px 30px rgba(0,0,0,.45),
    0 0 0 1px rgba(90,220,200,.15) inset;

  transition: all .25s ease;
}

/* glow suave institucional */
.btn-primary::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:999px;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(90,220,200,.35),
    transparent 70%
  );
  opacity:.0;
  transition: opacity .25s ease;
}

/* hover premium */
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow:
    0 18px 40px rgba(0,0,0,.55),
    0 0 18px rgba(90,220,200,.45);
}

.btn-primary:hover::after{
  opacity:.6;
}

/* active */
.btn-primary:active{
  transform: translateY(0px);
  box-shadow:
    0 8px 20px rgba(0,0,0,.5);
}