/* SANE — sitio público. Paleta de marca: azul #185FA5 / #0C447C (tokens sane-*). */
:root{
  --sane-50:#eff6ff; --sane-100:#dbeafe; --sane-200:#bfdbfe; --sane-300:#93c5fd;
  --sane-500:#3b82f6; --sane-600:#2563eb; --sane-700:#1d4ed8; --sane-800:#185FA5; --sane-900:#0C447C;
  --ink:#0f172a; --muted:#64748b; --bg:#ffffff; --bg-alt:#f6f9fc; --line:#e8eef4;
  --radius:16px; --maxw:1120px;
  --shadow:0 10px 30px -12px rgba(12,68,124,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .4em;color:var(--ink)}
p{margin:0 0 1em}
a{color:var(--sane-800);text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--sane-700);background:var(--sane-50);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip-link:focus{left:12px;top:12px;box-shadow:var(--shadow)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.18s;font-size:.95rem}
.btn-lg{padding:15px 28px;font-size:1.05rem}
.btn-primary{background:var(--sane-800);color:#fff}
.btn-primary:hover{background:var(--sane-900)}
.btn-ghost{background:transparent;color:var(--sane-800);border-color:var(--line)}
.btn-ghost:hover{background:var(--sane-50)}
.btn-light{background:#fff;color:var(--sane-900)}
.btn-light:hover{background:var(--sane-50)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.15rem;color:var(--sane-900)}
.brand-mark{font-size:1.3rem}
.brand-logo{height:38px;width:auto;display:block}
.brand-logo-foot{height:34px;filter:brightness(0) invert(1)}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav a:not(.btn){color:var(--ink);font-weight:500}
.site-nav a:not(.btn):hover{color:var(--sane-800)}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(180deg,var(--sane-50),#fff);padding:72px 0 56px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-.02em}
.lead{font-size:1.18rem;color:#334155}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:24px 0 18px}
.hero-cta.center{justify-content:center}
.hero-trust{font-size:.92rem}
.hero-art{position:relative;min-height:280px;display:flex;align-items:center;justify-content:center}
.blob{position:absolute;inset:0;margin:auto;width:320px;height:320px;border-radius:42% 58% 60% 40%/45% 45% 55% 55%;
  background:radial-gradient(circle at 30% 30%,var(--sane-300),var(--sane-600));filter:blur(8px);opacity:.55;
  animation:morph 12s ease-in-out infinite}
@keyframes morph{50%{border-radius:58% 42% 40% 60%/55% 55% 45% 45%}}
.hero-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);max-width:300px}
.hero-card-title{font-weight:700;color:var(--sane-900);margin-bottom:6px}
.hero-img{max-width:100%;border-radius:var(--radius);box-shadow:var(--shadow);position:relative}

/* Secciones */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:clamp(1.6rem,3vw,2.2rem);text-align:center;margin-bottom:42px;letter-spacing:-.01em}

/* Grids de tarjetas */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card,.vcard,.trust-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s}
.card:hover,.vcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-icon{font-size:2rem;margin-bottom:10px}
.card h3,.vcard h3,.trust-item h3{font-size:1.2rem}
.card-link{display:inline-block;margin-top:8px;font-weight:600}
.section-trust{background:linear-gradient(180deg,#fff,var(--sane-50))}

/* Pasos */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:var(--sane-800);color:#fff;font-weight:700;margin-bottom:12px}

/* Planes */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px;transition:.2s}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--sane-200)}
.plan-precio{font-size:1.1rem;color:var(--muted)}
.plan-precio strong{font-size:2rem;color:var(--sane-900)}
.plan-frase{color:#334155;margin:0}
.plan-valor{font-size:.82rem;color:var(--muted);margin:0}
.plan-valor s{opacity:.7}
.plan-ahorro{color:#15803d;font-weight:600}
.plan-features{list-style:none;padding:0;margin:6px 0 14px;display:flex;flex-direction:column;gap:7px;flex:1}
.plan-features li{font-size:.92rem;color:#334155}
.plan-card .btn{justify-content:center;margin-top:auto}

/* Testimonios */
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}
.tcard blockquote{margin:0;font-size:1.05rem;color:#334155;line-height:1.55}
.tcard figcaption{display:flex;align-items:center;gap:12px;font-size:.9rem}
.tavatar{width:44px;height:44px;border-radius:50%;object-fit:cover}

/* FAQ */
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px}
.faq summary{font-weight:600;cursor:pointer;color:var(--sane-900)}
.faq p{margin:10px 0 0;color:var(--muted)}

/* CTA final */
.cta-final{background:linear-gradient(135deg,var(--sane-800),var(--sane-900));color:#fff;padding:80px 0;text-align:center}
.cta-final h2{color:#fff;font-size:clamp(1.8rem,3.5vw,2.6rem)}
.cta-final .lead{color:rgba(255,255,255,.9)}

/* Página simple */
.page-title{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:24px}
.prose{font-size:1.08rem;color:#334155;line-height:1.7}
.prose h2{margin-top:1.6em;margin-bottom:.5em;font-size:1.5rem;color:var(--ink)}
.prose h3{margin-top:1.3em;margin-bottom:.4em;font-size:1.2rem;color:var(--ink)}
.prose p{margin:0 0 1em}
.prose ul,.prose ol{margin:0 0 1em;padding-left:1.3em}
.prose li{margin:.3em 0}
.prose a{color:var(--sane-800);text-decoration:underline;text-underline-offset:2px}
.prose a:hover{color:var(--sane-900)}
.prose strong{color:var(--ink)}
.prose blockquote{border-left:3px solid var(--sane-200);margin:1em 0;padding:.2em 1em;color:var(--muted)}
.prose img{max-width:100%;border-radius:10px;margin:1em 0}
.prose hr{border:none;border-top:1px solid var(--line);margin:2em 0}

/* Footer */
.site-footer{background:#0b1f33;color:#cbd5e1;padding:56px 0 28px}
.site-footer .brand{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:12px}
.site-footer a{display:block;color:#cbd5e1;padding:3px 0}
.site-footer a:hover{color:#fff}
.footer-legal{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.88rem;color:#94a3b8}

/* Responsive */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .hero-art{display:none}
  .cards-3,.cards-4,.steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:#fff;padding:20px;
    border-bottom:1px solid var(--line);gap:14px;display:none}
  body.nav-open .site-nav{display:flex}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .cards-3,.cards-4,.steps,.footer-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 36px}
}
/* Accesibilidad: foco visible */
a:focus-visible,.btn:focus-visible,summary:focus-visible,.nav-toggle:focus-visible{
  outline:3px solid var(--sane-500);outline-offset:2px;border-radius:8px}