:root{
  --blue:#005AFF;
  --blue-dark:#0048cc;
  --violet:#7C3AED;
  --violet-soft:#f0eafd;
  --green:#16A34A;
  --green-soft:#e7f6ec;
  --ink:#0E1420;
  --text:#1f2328;
  --muted:#6e7681;
  --line:#e4e8ee;
  --bg:#f6f8fb;
  --surface:#ffffff;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--text);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav .brand{display:flex;align-items:center}
.nav .brand img{height:44px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;font-weight:500;color:var(--text)}
.nav-links a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:12px;font-family:inherit;font-weight:600;cursor:pointer;transition:background .2s,transform .1s,box-shadow .2s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;padding:12px 22px;font-size:15px}
.nav-links a.btn-primary{color:#fff}
.btn-primary:hover{background:var(--blue-dark);box-shadow:0 8px 20px -8px rgba(0,90,255,.6)}
.btn-ghost{background:transparent;color:var(--text);padding:10px 18px;font-size:14px;border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{padding:15px 28px;font-size:16px}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:24px;color:var(--text)}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%, rgba(0,90,255,.14), transparent 60%), linear-gradient(180deg,#fbfcff, #f2f6ff)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:80px;padding-bottom:96px}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:800;line-height:1.08;letter-spacing:-.02em;color:var(--ink)}
.hero h1 .accent{color:var(--blue)}
.hero p{font-size:18px;color:var(--muted);margin:20px 0 28px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-shot{position:relative;width:100%;max-width:480px}
.hero-shot img{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(16,24,40,.35)}

/* Secciones */
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.section-head{max-width:680px;margin:0 auto 52px;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.section-head h2{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.section-head p{font-size:16px;color:var(--muted);margin-top:14px}

/* Franja de datos */
.stats-band{border-bottom:1px solid var(--line);background:var(--surface)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:32px 24px}
.stat-item{text-align:center}
.stat-item b{display:block;font-size:clamp(24px,3.5vw,34px);font-weight:800;color:var(--blue);letter-spacing:-.02em}
.stat-item:nth-child(2) b{color:var(--violet)}
.stat-item:nth-child(3) b{color:var(--green)}
.stat-item:nth-child(4) b{color:var(--violet)}
.stat-item span{font-size:13px;color:var(--muted)}

/* Pasos (cómo funciona) */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center}
.step-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:#eaf1ff;color:var(--blue);margin:0 auto 16px}
.step:nth-child(2) .step-ic{background:var(--violet-soft);color:var(--violet)}
.step:nth-child(3) .step-ic{background:var(--green-soft);color:var(--green)}
.step-ic .material-symbols-outlined{font-size:28px}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* Split: texto + imagen */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-bottom:48px}
.split-body .kicker{margin-bottom:12px}
.split-body h2{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.15}
.split-body p{font-size:16px;color:var(--muted);margin-top:14px}
.split-media img{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(16,24,40,.3)}

/* Qué es */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.about-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;gap:14px}
.about-item .num{font-size:14px;font-weight:800;color:var(--blue)}
.about-item h3{font-size:15px;font-weight:700;margin-bottom:4px}
.about-item p{font-size:14px;color:var(--muted)}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s}
.feature:hover{transform:translateY(-4px);box-shadow:0 20px 40px -24px rgba(16,24,40,.25);border-color:#cdd7f0}
.feature .ic{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;background:#eaf1ff;color:var(--blue)}
.feature:nth-child(3n+2) .ic{background:var(--violet-soft);color:var(--violet)}
.feature:nth-child(3n) .ic{background:var(--green-soft);color:var(--green)}
.feature h3{font-size:16px;font-weight:700;margin-bottom:8px}
.feature p{font-size:14px;color:var(--muted)}

/* Capturas de la app */
.screens-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch}
.shot{position:relative;aspect-ratio:1/1;border-radius:16px;overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:0 24px 48px -32px rgba(16,24,40,.4)}
.shot img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.shot{cursor:zoom-in}
.shot:hover img{transform:scale(1.03)}
.shot img{transition:transform .25s}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(14,20,32,.9);display:none;align-items:center;justify-content:center;z-index:1000;padding:28px}
.lightbox.open{display:flex}
.lb-img{max-width:92vw;max-height:86vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.5);background:#fff}
.lb-close{position:absolute;top:18px;right:22px;background:none;border:none;color:#fff;font-size:44px;line-height:1;cursor:pointer;opacity:.85}
.lb-close:hover{opacity:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);border:none;color:#fff;font-size:30px;width:52px;height:52px;border-radius:50%;cursor:pointer}
.lb-nav:hover{background:rgba(255,255,255,.26)}
.lb-prev{left:18px}
.lb-next{right:18px}
@media (max-width:840px){.lb-nav{width:40px;height:40px;font-size:24px}.lb-prev{left:8px}.lb-next{right:8px}}

/* Precios */
.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:32px}
.price-card.main{background:var(--ink);color:#fff;border:none}
.price-card .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.price-card.main .tag{color:#8ab4ff}
.price-card h3{font-size:22px;font-weight:800;margin-bottom:14px}
.price-card .price{font-size:40px;font-weight:800;color:var(--blue);line-height:1}
.price-card.main .price{color:#fff}
.price-card .price small{font-size:16px;font-weight:500;color:var(--muted)}
.price-card.main .price small{color:#9aa4b2}
.price-card p{font-size:14px;color:var(--muted);margin-top:10px}
.price-card.main p{color:#c3ccda}
.example{background:#f2f6ff;border-radius:12px;padding:16px;margin-top:18px;font-size:14px}
.example b{color:var(--blue)}
.hw{background:var(--bg);border-radius:12px;padding:18px;margin-top:18px}
.hw h4{font-size:14px;font-weight:700;margin-bottom:8px}
.hw ul{list-style:none;font-size:14px;color:var(--muted)}
.hw li{padding:3px 0;padding-left:20px;position:relative}
.hw li:before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:700}

/* Contacto */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;text-align:center}
.contact-card .ic{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eaf1ff;color:var(--blue);margin:0 auto 16px}
.contact-card:nth-child(2) .ic{background:var(--green-soft);color:var(--green)}
.contact-card:nth-child(3) .ic{background:var(--violet-soft);color:var(--violet)}
.contact-card .ic .material-symbols-outlined{font-size:32px}
.contact-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.contact-card a,.contact-card span{font-size:15px;color:var(--muted)}
.contact-card a:hover{color:var(--blue)}

/* FAQ */
.faq-container{max-width:760px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:22px;font-weight:600;color:var(--blue);flex-shrink:0}
.faq-item[open] summary::after{content:'–'}
.faq-item p{padding:0 22px 20px;font-size:15px;color:var(--muted)}

/* CTA final */
.cta{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;border-radius:24px;padding:56px 32px;text-align:center}
.cta h2{font-size:clamp(26px,4vw,36px);font-weight:800;letter-spacing:-.02em}
.cta p{font-size:16px;opacity:.9;margin:14px 0 24px}
.cta .btn-primary{background:#fff;color:var(--blue)}
.cta .btn-primary:hover{background:#f0f4ff;box-shadow:none}

/* Footer */
.footer{background:var(--ink);color:#c3ccda;padding:56px 0 32px}
.footer-inner{display:flex;flex-direction:column;gap:24px;align-items:center;text-align:center}
.footer .brand img{height:44px;width:auto}
.footer .foot-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.footer .foot-links a{font-size:14px;color:#c3ccda}
.footer .foot-links a:hover{color:#fff}
.footer .copy{font-size:13px;color:#7b8494}

@media (max-width:840px){
  .hero-inner{grid-template-columns:1fr;padding-top:44px;padding-bottom:56px;gap:32px}
  .hero h1{font-size:clamp(27px,8vw,40px);line-height:1.15}
  .hero p{font-size:16px;margin:16px 0 22px}
  .section{padding:60px 0}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:clamp(23px,6vw,32px)}
  .split{grid-template-columns:1fr;gap:28px;margin-bottom:36px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:18px;padding:24px}
  .steps-grid{grid-template-columns:1fr}
  .pricing-grid,.contact-grid{grid-template-columns:1fr}
  .screens-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{position:fixed;inset:68px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;padding:20px 24px;gap:16px;display:none}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
}