:root {
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --text: #0f1b2d;
  --muted: #5b6b80;
  --brand: #1f6feb;
  --brand-dark: #1553b8;
  --accent: #12b886;
  --border: #e3e9f1;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 27, 45, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Inter", system-ui, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* Botones */
.btn { display: inline-block; background: var(--brand); color: #fff; border: 0; border-radius: 10px; padding: 14px 22px; font-family: inherit; font-weight: 600; font-size: 1rem; cursor: pointer; transition: background .2s, transform .2s; }
.btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-light { background: #fff; color: var(--brand); }
.btn-light:hover { background: #eaf1ff; }

/* Navegación */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.logo b { color: var(--brand); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 28px; font-weight: 500; color: var(--muted); }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links .btn { color: #fff; }
.menu-btn { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--text); }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 80% -10%, #e3eeff 0%, transparent 60%), var(--bg); padding: 80px 0 90px; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.pill { display: inline-block; background: #e7f8f1; color: #0b8a62; font-weight: 600; font-size: .85rem; padding: 6px 12px; border-radius: 999px; margin-bottom: 18px; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }
.hl { color: var(--brand); }
.lead { font-size: 1.15rem; color: var(--muted); margin: 18px 0 28px; max-width: 560px; }
.search { display: flex; gap: 8px; background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 6px; box-shadow: var(--shadow); max-width: 600px; }
.search input { flex: 1; min-width: 0; border: 0; outline: 0; font: inherit; padding: 10px 12px; }
.stats { display: flex; gap: 36px; margin-top: 32px; }
.stats b { display: block; font-size: 1.5rem; }
.stats span { color: var(--muted); font-size: .9rem; }

.hero-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 10px; }
.mock-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-radius: 10px; }
.mock-row + .mock-row { border-top: 1px solid var(--border); }
.mock-row.head { font-weight: 600; }
.mock-row small { display: block; color: var(--muted); }
.mock-row.best { background: #f0fbf6; border-top-color: transparent; }
.ok { background: #eaf1ff; color: var(--brand); font-size: .8rem; padding: 4px 10px; border-radius: 999px; }
.price { font-weight: 700; text-align: right; }
.price em { display: block; font-style: normal; font-size: .75rem; color: var(--accent); }

/* Secciones */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; letter-spacing: -0.01em; }
.sub { text-align: center; color: var(--muted); margin: 8px 0 44px; }
.sub.left { text-align: left; margin-bottom: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step, .card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.step h3, .card h3 { margin: 12px 0 6px; font-size: 1.15rem; }
.step p, .card p { color: var(--muted); }
.num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; }
#beneficios h2 { margin-bottom: 44px; }

.cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cats a { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 16px; display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 1.8rem; text-align: center; transition: border-color .2s, transform .2s, box-shadow .2s; }
.cats a span { font-size: .95rem; font-weight: 600; }
.cats a:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: var(--shadow); }

.cta-band { background: linear-gradient(120deg, var(--brand), #4f46e5); color: #fff; padding: 64px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { text-align: left; }
.cta-band p { opacity: .9; margin-top: 6px; }

/* Contacto */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact h2 { text-align: left; }
.contact-list { list-style: none; }
.contact-list a { color: var(--brand); font-weight: 600; }
.form { display: grid; gap: 14px; background: var(--bg-alt); padding: 28px; border-radius: 18px; border: 1px solid var(--border); }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; }
.form input, .form textarea { font: inherit; font-weight: 400; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--brand); border-color: transparent; }
.form-note { font-size: .8rem; color: var(--muted); }

.footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .contact { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .cats { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 18px; padding: 20px; background: #fff; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .hero { padding: 48px 0 60px; }
  .search { flex-direction: column; }
  .stats { gap: 20px; flex-wrap: wrap; }
  .section { padding: 64px 0; }
}