:root {
  --bg: #f5f8fc;
  --surface: #ffffff;
  --surface-alt: #eef4ff;
  --text: #14213d;
  --muted: #4f617f;
  --primary: #0b5ed7;
  --primary-dark: #0846a1;
  --accent: #f59e0b;
  --success: #1f9d55;
  --danger: #b42318;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 33, 61, 0.10);
  --max: 1120px;
  --space: 1rem;
  --font: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(100% - 2rem, var(--max)); margin: 0 auto; }
.skip-link {
  position: absolute; left: -9999px; top: auto;
}
.skip-link:focus {
  left: 1rem; top: 1rem; background: #000; color: #fff; padding: .75rem 1rem; z-index: 9999;
}
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5eaf2;
}
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 78px; }
.brand { display: flex; align-items: center; gap: .65rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand strong { display: block; line-height: 1.1; }
.brand small { color: var(--muted); font-size: .78rem; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 10px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--primary), #4aa3ff);
}
.main-nav { display: none; align-items: center; gap: .9rem; }
.main-nav a { font-weight: 600; color: var(--text); }
.menu-toggle {
  border: 1px solid #d4dbea; background: #fff; border-radius: 10px; width: 44px; height: 44px; display: grid; gap: 4px; padding: 9px;
}
.menu-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; }
.main-nav.open {
  display: flex; position: absolute; top: 78px; left: 0; right: 0; background: #fff; border-bottom: 1px solid #e5eaf2;
  flex-direction: column; padding: 1rem; align-items: stretch;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 2px solid transparent; border-radius: 12px;
  padding: .8rem 1.1rem; font-weight: 700; background: var(--primary); color: #fff;
  transition: .25s ease;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; transform: translateY(-1px); }
.btn:focus-visible, .btn-outline:focus-visible, .faq-question:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, .menu-toggle:focus-visible {
  outline: 3px solid rgba(11,94,215,.35);
  outline-offset: 2px;
}
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; text-decoration: none; }
.btn-sm { padding: .6rem .9rem; font-size: .95rem; }
.hero { padding: 4rem 0 3rem; background: radial-gradient(circle at top right, #dce9ff 0%, #f6f9ff 45%, #f5f8fc 100%); }
.hero-grid { display: grid; gap: 2rem; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 700; letter-spacing: .02em; text-transform: uppercase; font-size: .84rem; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .8rem; }
h1 { font-size: clamp(1.7rem, 2.4vw, 2.6rem); }
h2 { font-size: clamp(1.45rem, 2vw, 2rem); }
.hero-subtitle { font-size: 1.06rem; color: var(--muted); }
.hero-text { color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.trust-list { margin: 1rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.section { padding: 3.6rem 0; }
.section-alt { background: var(--surface-alt); }
.section-head { max-width: 760px; margin-bottom: 1.4rem; }
.card-grid { display: grid; gap: 1rem; }
.card, .service-card, .panel {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.1rem;
}
.icon { font-size: 1.4rem; margin-bottom: .4rem; }
.split { display: grid; gap: 1rem; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.steps li { background: #fff; border-radius: 12px; padding: .95rem 1rem; box-shadow: var(--shadow); display: grid; gap: .2rem; }
.contact-list { padding-left: 1.1rem; }
.link-cta { font-weight: 700; }
.faq-list { display: grid; gap: .8rem; }
.faq-item { background: #fff; border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.faq-question {
  width: 100%; border: 0; background: #fff; padding: 1rem; text-align: left; font: inherit; font-weight: 700; cursor: pointer;
}
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-answer p { margin: 0; padding: 0 1rem 1rem; color: var(--muted); }
.faq-item.open .faq-answer { max-height: 220px; }
.cta-final { background: linear-gradient(135deg, #0b5ed7, #0a4caf); color: #fff; text-align: center; }
.cta-final .btn-outline { border-color: #fff; color: #fff; }
.cta-final .btn-outline:hover { background: #fff; color: var(--primary-dark); }
.center { justify-content: center; }
.site-footer { background: #0f1f3d; color: #dbe5ff; padding-top: 2.2rem; }
.footer-grid { display: grid; gap: 1.2rem; }
.site-footer a { color: #fff; }
.site-footer ul { margin: 0; padding-left: 1.1rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.2); margin-top: 1.2rem; padding: .9rem 0; text-align: center; }
.contact-page, .legal-page { padding: 2.5rem 0 3.5rem; }
.contact-card, .legal-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.2rem; }
.form-grid { display: grid; gap: .9rem; }
label { font-weight: 600; display: inline-block; margin-bottom: .35rem; }
input, textarea, select {
  width: 100%; border: 1px solid #c9d4e8; border-radius: 10px; padding: .75rem; font: inherit;
}
textarea { min-height: 120px; resize: vertical; }
.help { font-size: .9rem; color: var(--muted); }
.error { color: var(--danger); font-size: .88rem; min-height: 1.2em; }
.form-message { margin-top: .8rem; padding: .8rem; border-radius: 10px; display: none; }
.form-message.info { display: block; background: #eef4ff; color: #1e3a8a; }
.whatsapp-float {
  position: fixed; right: 1rem; bottom: 1rem; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; font-size: 1.4rem; box-shadow: var(--shadow); z-index: 999;
}
.back-to-top {
  position: fixed; right: 1rem; bottom: 4.9rem; width: 42px; height: 42px; border-radius: 999px; border: 0;
  background: var(--primary-dark); color: #fff; cursor: pointer; opacity: 0; pointer-events: none; transition: .2s;
}
.back-to-top.show { opacity: 1; pointer-events: auto; }
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (min-width: 860px) {
  .menu-toggle { display: none; }
  .main-nav { display: flex; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
  .split { grid-template-columns: 1fr 1fr; align-items: start; }
  .cols-3 { grid-template-columns: repeat(3, 1fr); }
  .cols-4 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .form-grid.two { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}