:root {
  --bg: #000;
  --card: #141416;
  --line: rgba(255, 255, 255, .1);
  --ink: #f5f5f7;
  --muted: #a1a1a6;
  --wa: #15803d;
  --wa-hi: #16a34a;
  --ok: #30d158;
  --blue: #6ea8ff;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.47;
  letter-spacing: -.01em;
  padding-bottom: 76px;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.icon { flex: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 12px; }

/* Navegación translúcida */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(0, 0, 0, .72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--line); }
.nav-in { max-width: 1080px; margin: 0 auto; padding: 0 20px; height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav-links { display: none; gap: 30px; }
.nav-links a { color: #d2d2d7; text-decoration: none; font-size: .82rem; transition: color .2s; }
.nav-links a:hover { color: #fff; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 1rem; text-decoration: none; border: 1px solid transparent; transition: background .2s, transform .2s; }
.btn:active { transform: scale(.98); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18); }
.btn-wa:hover { background: var(--wa-hi); }
.btn-sm { padding: 7px 14px; font-size: .8rem; gap: 6px; }
.btn-sm .icon { width: 16px; height: 16px; }
.btn-lg { padding: 16px 30px; font-size: 1.1rem; }
.btn-block { width: 100%; }
.link { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); text-decoration: none; font-size: 1.1rem; }
.link:hover { text-decoration: underline; }

/* Hero */
.hero { text-align: center; padding: 72px 0 24px; overflow: hidden; }
.eyebrow { margin: 0 0 14px; font-size: 1.15rem; font-weight: 600; background: linear-gradient(90deg, #a78bfa, #60a5fa); -webkit-background-clip: text; background-clip: text; color: transparent; }
h1 { margin: 0 auto; font-size: clamp(2.6rem, 8.5vw, 5.6rem); font-weight: 700; line-height: 1.04; letter-spacing: -.035em; background: linear-gradient(180deg, #fff 35%, #8e8e93); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin: 22px auto 0; max-width: 34em; font-size: clamp(1.1rem, 2.6vw, 1.45rem); color: var(--muted); line-height: 1.4; }
.lead strong { color: var(--ink); font-weight: 600; }
.actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: center; }
.note { margin: 16px 0 0; font-size: .85rem; color: var(--muted); text-align: center; }

/* Orbe de velocidad */
.orb { position: relative; width: min(78vw, 400px); aspect-ratio: 1; margin: 56px auto 0; display: grid; place-items: center; }
.orb::before { content: ""; position: absolute; inset: -25%; background: radial-gradient(closest-side, rgba(124, 92, 255, .5), rgba(59, 130, 246, .18) 55%, transparent 72%); filter: blur(12px); }
.ring { position: absolute; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .14); }
.r1 { inset: 0; }
.r2 { inset: 12%; border-color: rgba(255, 255, 255, .2); }
.r3 { inset: 25%; border-color: rgba(255, 255, 255, .3); background: radial-gradient(closest-side, rgba(255, 255, 255, .06), transparent); }
.orb-core { position: relative; text-align: center; line-height: 1; }
.orb-num { display: block; font-size: clamp(3.4rem, 15vw, 6rem); font-weight: 700; letter-spacing: -.04em; background: linear-gradient(180deg, #fff, #a1a1a6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.orb-unit { display: block; margin-top: 8px; font-size: .95rem; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) {
  .r1 { animation: pulse 5s ease-in-out infinite; }
  .r2 { animation: pulse 5s ease-in-out -1.6s infinite; }
  .r3 { animation: pulse 5s ease-in-out -3.2s infinite; }
}
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.04); opacity: .6; } }

/* Secciones */
section { padding: 72px 0; }
.section-title { margin: 0 0 14px; text-align: center; font-size: clamp(2rem, 5.2vw, 3.5rem); font-weight: 700; line-height: 1.07; letter-spacing: -.03em; }
.section-sub { margin: 0 auto 44px; max-width: 34em; text-align: center; color: var(--muted); font-size: clamp(1.05rem, 2.2vw, 1.3rem); }
.group { margin: 36px 0 14px; font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }

/* Estadísticas */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 28px 22px; text-align: center; }
.stat-n { display: block; font-size: clamp(2.2rem, 6vw, 3.6rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; background: linear-gradient(180deg, #fff, #8e8e93); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-l { display: block; margin-top: 8px; font-size: .95rem; color: var(--muted); }

/* Planes */
.plans { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.plan { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 28px; transition: border-color .3s, transform .3s var(--ease); }
.plan:hover { border-color: rgba(255, 255, 255, .28); transform: translateY(-4px); }
.plan-label { margin: 0; font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); }
.plan-speed { margin: 10px 0 0; font-size: 3.6rem; font-weight: 700; letter-spacing: -.04em; line-height: 1; background: linear-gradient(180deg, #fff, #9a9aa0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.plan-speed small { display: block; margin-top: 6px; font-size: .9rem; font-weight: 500; letter-spacing: 0; color: var(--muted); -webkit-text-fill-color: var(--muted); }
.plan-price { margin: 20px 0 0; font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; }
.plan-price span { font-size: .95rem; font-weight: 400; color: var(--muted); }
.plan-feats { list-style: none; margin: 18px 0 24px; padding: 18px 0 0; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.plan-feats li { display: flex; align-items: center; gap: 10px; font-size: .95rem; }
.plan-feats .icon { color: var(--ok); width: 18px; height: 18px; }
.plan .btn { margin-top: auto; }

/* Características */
.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 30px; }
.ico { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; margin-bottom: 20px; color: #fff; background: linear-gradient(145deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .03)); border: 1px solid var(--line); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12); }
.feature h3 { margin: 0 0 8px; font-size: 1.3rem; letter-spacing: -.02em; }
.feature p { margin: 0; color: var(--muted); }

/* Zonas */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 500; transition: border-color .2s, background .2s; }
.chips a .icon { color: var(--blue); }
.chips a:hover { border-color: rgba(255, 255, 255, .35); background: #1c1c1f; }

/* Pasos */
.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 16px; counter-reset: s; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 28px; display: flex; flex-direction: column; gap: 6px; }
.steps strong { font-size: 1.3rem; letter-spacing: -.02em; }
.steps span:not(.step-n) { color: var(--muted); }
.step-n { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 14px; font-weight: 700; background: linear-gradient(145deg, #7c5cff, #3b82f6); color: #fff; }

/* Preguntas */
.faq { margin-top: 36px; }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 4px; cursor: pointer; list-style: none; font-size: 1.15rem; font-weight: 600; letter-spacing: -.015em; }
summary::-webkit-details-marker { display: none; }
summary .icon { color: var(--muted); transition: transform .3s var(--ease); }
details[open] summary .icon { transform: rotate(180deg); }
details p { margin: 0 0 22px; padding: 0 4px; color: var(--muted); font-size: 1.05rem; }

/* Llamado final */
.cta { text-align: center; padding: 72px 24px; border-radius: 36px; border: 1px solid var(--line); background: radial-gradient(120% 140% at 50% 0%, rgba(124, 92, 255, .35), transparent 60%), #0c0c0e; }
.cta h2 { margin: 0 0 12px; font-size: clamp(2rem, 5.5vw, 3.6rem); font-weight: 700; line-height: 1.07; letter-spacing: -.03em; }
.cta p { margin: 0 0 30px; color: var(--muted); font-size: 1.2rem; }

footer { padding: 28px 0 40px; border-top: 1px solid var(--line); color: #86868b; font-size: .78rem; }
footer p { margin: 0 0 8px; }
footer strong { color: #d2d2d7; }

.sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(0, 0, 0, .78); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-top: 1px solid var(--line); }

/* Animación de entrada al hacer scroll */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .plan { transition: none; }
}

@media (min-width: 760px) {
  .nav-links { display: flex; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .hero { padding-top: 96px; }
  section { padding: 96px 0; }
  .sticky { display: none; }
  body { padding-bottom: 0; }
}