:root {
  --bg: #0b0d11;
  --surface: #12151c;
  --muted: #a4aec0;
  --text: #e6e9f0;
  --primary: #6cf1d6;
  --primary-ink: #0a1f1a;
  --ring: #6cf1d666;
  --accent-purple: #a78bfa;
  --accent-cyan: #22d3ee;
  --accent-pink: #ff6ad5;
  --accent-orange: #f59e0b;
  --gradient-hero: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan) 50%, var(--accent-pink));
}

/* Tema claro */
:root.theme-light {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --muted: #556070;
  --text: #0c1220;
  --primary: #12c6a8;
  --primary-ink: #001410;
  --ring: #12c6a866;
  --accent-purple: #7c3aed;
  --accent-cyan: #0891b2;
  --accent-pink: #db2777;
  --accent-orange: #d97706;
  --gradient-hero: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan) 50%, var(--accent-pink));
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1000px 600px at 100% -100px, color-mix(in oklab, var(--bg), #122 40%) 0%, rgba(0,0,0,0) 60%) no-repeat, var(--bg);
  line-height: 1.6;
  padding-top: 64px;
}

.bg-canvas { position: fixed; inset: 0; z-index: -1; background: radial-gradient(1200px 800px at 0% -20%, rgba(108,241,214,0.08), transparent 60%); }
.cursor-glow { position: fixed; width: 320px; height: 320px; pointer-events: none; border-radius: 50%; filter: blur(50px); z-index: 0; opacity: .25; background: radial-gradient(circle at center, color-mix(in oklab, var(--accent-pink), transparent 30%), transparent 60%); transform: translate(-50%, -50%); mix-blend-mode: screen; }

/* haces de color sutiles para reducir el predominio del negro */
body::before {
  content: "";
  position: fixed; inset: -20% -20% auto -20%; height: 60vh; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 20% 30%, color-mix(in oklab, var(--accent-purple), transparent 60%), transparent 60%),
    radial-gradient(600px 400px at 80% 20%, color-mix(in oklab, var(--accent-cyan), transparent 60%), transparent 60%),
    radial-gradient(600px 400px at 60% 80%, color-mix(in oklab, var(--accent-pink), transparent 60%), transparent 60%);
  filter: blur(8px);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0; z-index: 50;
  backdrop-filter: blur(8px);
  background: color-mix(in oklab, var(--bg), transparent 35%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark { filter: drop-shadow(0 0 12px var(--ring)); }
.brand-name { letter-spacing: 0.3px; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle-bar { width: 24px; height: 2px; background: var(--text); display: block; margin: 5px 0; border-radius: 2px; }

.nav-menu { display: flex; gap: 18px; align-items: center; }
.nav-menu a { opacity: 0.9; }
.nav-menu a.btn { opacity: 1; }
.icon-btn { background: transparent; border: 1px solid rgba(255,255,255,0.12); color: var(--text); border-radius: 999px; width: 36px; height: 36px; display: inline-grid; place-items: center; cursor: pointer; }

.hero {
  padding: 72px 0 48px;
}
.hero-copy h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.2; margin: 0 0 12px; background: var(--gradient-hero); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero[data-parallax] .hero-media { will-change: transform; }
.hero-copy h1 { background-size: 200% 100%; animation: gradientShift 10s ease infinite; }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
.hero-copy p { color: var(--muted); margin: 0 0 16px; }
.video-frame { position: relative; aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02), 0 12px 40px rgba(0,0,0,0.35); background: #0f1218; }
.video-frame iframe, .video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.video-frame video { object-fit: cover; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 8px; }
.trust { margin: 14px 0 0; padding: 0; list-style: none; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; }

.section { padding: 56px 0; }
.section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.section h2 { font-size: clamp(22px, 3.2vw, 32px); margin: 0 0 8px; }
.section-lead { color: var(--muted); margin: 0 0 24px; }

.grid-2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: center; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { position: relative; background: color-mix(in oklab, var(--surface), #ffffff 2%); border: 1px solid transparent; border-radius: 12px; padding: 16px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 10px 30px rgba(0,0,0,0.25); backdrop-filter: blur(6px); }
.card::before { content: ""; position: absolute; inset: 0; padding: 1px; border-radius: 12px; background: linear-gradient(135deg, color-mix(in oklab, var(--accent-purple), transparent 20%), color-mix(in oklab, var(--accent-cyan), transparent 20%), color-mix(in oklab, var(--primary), transparent 20%), color-mix(in oklab, var(--accent-pink), transparent 20%)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

/* Proceso */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step h3 { font-size: 16px; margin: 0 0 6px; }
.step p { margin: 0; color: var(--muted); }

/* Resultados */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.metric { text-align: center; }
.metric strong { display: block; font-size: clamp(28px, 6vw, 44px); background: var(--gradient-hero); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric span { color: var(--muted); }

.portfolio { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.portfolio-item { display: grid; gap: 8px; }
.portfolio-thumb { aspect-ratio: 16/10; border-radius: 10px; background: linear-gradient(135deg, #1d2433, #141925); border: 1px solid rgba(255,255,255,0.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02), 0 10px 30px rgba(0,0,0,0.25); position: relative; overflow: hidden; }
.portfolio-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.portfolio .portfolio-item:nth-child(4n+1) .portfolio-thumb { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-purple), transparent 70%), color-mix(in oklab, var(--accent-cyan), transparent 80%)); }
.portfolio .portfolio-item:nth-child(4n+2) .portfolio-thumb { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-pink), transparent 70%), color-mix(in oklab, var(--accent-orange), transparent 80%)); }
.portfolio .portfolio-item:nth-child(4n+3) .portfolio-thumb { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-cyan), transparent 70%), color-mix(in oklab, var(--primary), transparent 80%)); }
.portfolio .portfolio-item:nth-child(4n+4) .portfolio-thumb { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-orange), transparent 70%), color-mix(in oklab, var(--accent-purple), transparent 80%)); }
.portfolio-title { color: var(--muted); font-size: 14px; }

/* Testimonios */
.testimonials { position: relative; }
.carousel { overflow: hidden; }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: min(320px, 90%); gap: 16px; padding: 8px 2px; will-change: transform; }
.testimonial p { margin: 0 0 8px; }
.testimonial .author { color: var(--muted); font-size: 14px; }

.marquee { overflow: hidden; white-space: nowrap; mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: inline-flex; gap: 14px; padding: 8px 0; will-change: transform; }
.marquee .marquee-track + .marquee-track { display: none; }
.badge { color: var(--text); border: 1px solid rgba(255,255,255,0.08); padding: 8px 12px; border-radius: 999px; font-weight: 600; box-shadow: 0 8px 20px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.14); background: linear-gradient(135deg, color-mix(in oklab, var(--accent-cyan), transparent 70%), color-mix(in oklab, var(--primary), transparent 70%)); }
.badge:nth-child(4n+1) { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-purple), transparent 60%), color-mix(in oklab, var(--accent-cyan), transparent 70%)); }
.badge:nth-child(4n+2) { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-pink), transparent 60%), color-mix(in oklab, var(--accent-orange), transparent 70%)); }
.badge:nth-child(4n+3) { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-cyan), transparent 60%), color-mix(in oklab, var(--primary), transparent 70%)); }
.badge:nth-child(4n+4) { background: linear-gradient(135deg, color-mix(in oklab, var(--accent-orange), transparent 60%), color-mix(in oklab, var(--accent-purple), transparent 70%)); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.price-card { background: var(--surface); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 16px; display: grid; gap: 10px; }
.price-card.featured { outline: 2px solid var(--ring); box-shadow: 0 0 0 6px rgba(108,241,214,0.08); }
.price { font-size: 28px; font-weight: 800; }
.price-card ul { margin: 0; padding: 0 0 0 18px; color: var(--muted); display: grid; gap: 4px; }

.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 6px; font-size: 14px; }
.form input, .form textarea { width: 100%; padding: 10px 12px; background: #0f1218; color: var(--text); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; outline: none; transition: box-shadow .2s, border-color .2s; }
.form input:focus, .form textarea:focus { border-color: var(--ring); box-shadow: 0 0 0 4px var(--ring); }
.form-note { color: var(--muted); font-size: 12px; margin: 4px 0 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.09); transition: transform .06s ease, background .2s; cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(180deg, var(--primary), #4fd1bb); color: var(--primary-ink); border: none; }
.btn-outline { background: transparent; }
.btn-ghost { background: rgba(255,255,255,0.06); }

[data-magnetic] { position: relative; will-change: transform; transition: transform .08s ease-out; }

.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0 0; }

.site-footer { padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.06); background: color-mix(in oklab, var(--bg), transparent 10%); }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-links { display: flex; align-items: center; gap: 16px; }
.footer a { opacity: 0.8; transition: opacity 0.2s, color 0.2s; }
.footer a:hover { opacity: 1; color: var(--primary); }
.to-top { opacity: .8; }

/* Animación reveal */
[data-reveal] { opacity: 0; transform: translateY(16px) scale(.98); transition: opacity .5s ease, transform .6s cubic-bezier(.22,.61,.36,1); }
.reveal-in { opacity: 1 !important; transform: none !important; }

/* Stagger */
[data-stagger] [data-stagger-item] { opacity: 0; transform: translateY(10px); }
[data-stagger].reveal-in [data-stagger-item] { animation: staggerIn .7s both; }
[data-stagger].reveal-in [data-stagger-item]:nth-child(1) { animation-delay: .05s; }
[data-stagger].reveal-in [data-stagger-item]:nth-child(2) { animation-delay: .15s; }
[data-stagger].reveal-in [data-stagger-item]:nth-child(3) { animation-delay: .25s; }
[data-stagger].reveal-in [data-stagger-item]:nth-child(4) { animation-delay: .35s; }
@keyframes staggerIn { from { opacity: 0; transform: translateY(10px);} to { opacity: 1; transform: none; } }

/* FAQs */
.faq { display: grid; gap: 12px; }
.faq-q { width: 100%; text-align: left; background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; padding: 10px 12px; cursor: pointer; }
.faq-a { padding: 10px 2px 2px; color: var(--muted); }

/* CTA final */
.cta-final { text-align: center; display: grid; gap: 10px; }

/* Responsive */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .portfolio { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-menu { position: absolute; inset: 64px 0 auto 0; background: color-mix(in oklab, var(--bg), transparent 10%); border-bottom: 1px solid rgba(255,255,255,0.06); display: grid; gap: 10px; padding: 12px; transform-origin: top; transform: scaleY(0); opacity: 0; pointer-events: none; transition: .18s ease; }
  .nav-menu.open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
}
/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.lightbox.active { display: flex; opacity: 1; }
.lightbox-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.9); backdrop-filter: blur(8px); }
.lightbox-content { position: relative; max-width: 90vw; max-height: 90vh; display: flex; flex-direction: column; align-items: center; gap: 16px; z-index: 1; }
.lightbox-content img { display: block; max-width: min(90vw, 100%); max-height: 85vh; width: auto; height: auto; object-fit: contain; border-radius: 12px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); image-rendering: auto; -webkit-backface-visibility: hidden; -webkit-transform: translateZ(0); transform: translateZ(0); will-change: transform; }
.lightbox-close { position: absolute; top: -50px; right: 0; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); color: var(--text); width: 40px; height: 40px; border-radius: 50%; font-size: 28px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s, transform 0.2s; }
.lightbox-close:hover { background: rgba(255, 255, 255, 0.2); transform: scale(1.1); }
.lightbox-title { color: var(--text); font-size: 18px; text-align: center; margin-top: 8px; }

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .portfolio { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .footer { flex-direction: column; text-align: center; gap: 16px; }
  .footer-links { justify-content: center; }
  .lightbox-close { top: -40px; width: 36px; height: 36px; font-size: 24px; }
  .lightbox-content { max-width: 95vw; }
}