:root {
  color-scheme: light;
  --navy: #10233f;
  --navy-soft: #1c3660;
  --accent: #2f6fed;
  --accent-dark: #2358c7;
  --accent-soft: #eaf1ff;
  --bg: #f3f5f9;
  --card: #ffffff;
  --border: #e4e7ee;
  --text: #1a2233;
  --muted: #6b7385;
  --danger: #b73b33;
  --danger-soft: #fdecea;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section { padding: 72px 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.2; margin: 0 0 14px; }
h2 { font-size: 30px; }
h3 { font-size: 18px; }
p { margin: 0 0 14px; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 10px; font-size: 15px; font-weight: 700;
  text-decoration: none; cursor: pointer; border: none; transition: transform 0.15s, background 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--navy); }
.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn:active { transform: translateY(1px); }

/* --- Header --- */
header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
header .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { height: 34px; }
.brand-word { display: flex; align-items: baseline; gap: 6px; font-size: 19px; font-weight: 800; letter-spacing: -0.3px; }
.brand-word .deca { color: var(--navy); }
.brand-word .ab {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--accent-dark); background: var(--accent-soft);
  padding: 2px 6px; border-radius: 6px;
}
nav.mainnav { display: flex; align-items: center; gap: 26px; }
nav.mainnav a.navlink { color: var(--navy-soft); text-decoration: none; font-size: 14.5px; font-weight: 500; }
nav.mainnav a.navlink:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle { display: none; background: none; border: none; padding: 6px; cursor: pointer; }
.menu-toggle svg { width: 24px; height: 24px; stroke: var(--navy); }

/* --- Hero --- */
.hero { padding: 76px 0 90px; background: linear-gradient(180deg, #eef2fb 0%, var(--bg) 65%); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  color: var(--accent-dark); background: var(--accent-soft); padding: 7px 14px; border-radius: 20px; margin-bottom: 18px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: 42px; letter-spacing: -0.5px; }
.hero .lead { font-size: 17px; color: var(--muted); max-width: 46ch; }
.hero-ctas { display: flex; gap: 12px; margin: 26px 0 16px; flex-wrap: wrap; }
.hero-note { font-size: 13px; color: var(--muted); }
.hero-visual {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 26px; box-shadow: 0 20px 50px -20px rgba(16,35,63,0.25);
}
.hero-visual .doc-row { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border); }
.hero-visual .doc-row:last-child { border-bottom: none; }
.hero-visual .doc-icon {
  width: 38px; height: 38px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.hero-visual .doc-icon svg { width: 19px; height: 19px; }
.hero-visual .doc-text { min-width: 0; }
.hero-visual .doc-title { font-size: 13.5px; font-weight: 600; color: var(--navy); }
.hero-visual .doc-sub { font-size: 12px; color: var(--muted); }
.hero-visual .doc-badge {
  margin-left: auto; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px;
  background: #e5f6ea; color: #1e7a3c; flex-shrink: 0; white-space: nowrap;
}

/* --- Franja de confianza --- */
.trust-strip { padding: 20px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--card); }
.trust-strip .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: center; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--navy-soft); font-weight: 600; }
.trust-item svg { width: 17px; height: 17px; stroke: var(--accent); flex-shrink: 0; }

/* --- Que es el DeCA --- */
.legal-section { background: var(--card); }
.legal-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.legal-grid .muted { font-size: 15px; }
.legal-refs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.legal-refs li { font-size: 13.5px; color: var(--navy-soft); padding-left: 18px; position: relative; }
.legal-refs li::before { content: '§'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.sanciones-box {
  margin-top: 22px; background: var(--danger-soft); border: 1px solid #f6c8c2; border-radius: 12px; padding: 18px 20px;
}
.sanciones-box h3 { color: var(--danger); margin-bottom: 8px; font-size: 15px; }
.sanciones-box ul { margin: 0; padding-left: 18px; font-size: 13.5px; color: #7a2b25; }
.sanciones-box li { margin-bottom: 4px; }

/* --- Como funciona --- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.step { position: relative; padding-left: 4px; }
.step-num {
  width: 38px; height: 38px; border-radius: 10px; background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px; margin-bottom: 16px;
}
.step h3 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); margin: 0; }

/* --- Por que DeCA-AB --- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.feature-icon {
  width: 42px; height: 42px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.feature-icon svg { width: 21px; height: 21px; }
.feature-card h3 { font-size: 15.5px; margin-bottom: 6px; }
.feature-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

/* --- FAQ --- */
.faq { max-width: 760px; margin: 40px auto 0; display: flex; flex-direction: column; gap: 10px; }
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 4px 20px;
}
.faq summary {
  padding: 16px 0; font-weight: 600; color: var(--navy); font-size: 15px; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 20px; font-weight: 400; color: var(--accent); flex-shrink: 0; transition: transform 0.15s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq-a { padding: 0 0 18px; color: var(--muted); font-size: 14.5px; margin: 0; }

/* --- CTA final --- */
.cta-final { background: var(--navy); color: #fff; text-align: center; }
.cta-final h2 { color: #fff; }
.cta-final .muted { color: #b9c3d9; max-width: 50ch; margin-left: auto; margin-right: auto; }
.cta-final .hero-ctas { justify-content: center; }
.cta-final .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
.cta-final .btn-ghost:hover { border-color: #fff; }

/* --- Footer --- */
footer { padding: 40px 0; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer .brand-word { font-size: 15px; }
footer .foot-links { display: flex; flex-wrap: wrap; gap: 20px; }
footer .foot-links a { color: var(--muted); text-decoration: none; font-size: 13.5px; }
footer .foot-links a:hover { color: var(--accent); }
footer .foot-note { font-size: 12.5px; color: var(--muted); width: 100%; margin-top: 8px; }
footer .foot-copy { font-size: 12.5px; color: var(--muted); width: 100%; margin: 0; }
footer .foot-copy a { color: var(--muted); text-decoration: underline; }

/* --- Paginas legales (privacidad, cookies, terminos) --- */
.legal-doc { padding: 56px 0 72px; }
.legal-doc .wrap { max-width: 760px; }
.legal-doc h2 { font-size: 28px; }
.legal-doc h3 { font-size: 17px; margin-top: 30px; }
.legal-doc p, .legal-doc li { color: var(--navy-soft); font-size: 15px; }
.legal-doc .updated { color: var(--muted); font-size: 13px; margin-bottom: 30px; }

/* --- Aviso de cookies (modal) --- */
.cookie-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(16, 35, 63, 0.55); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: cookieFadeIn 0.2s ease-out;
}
.cookie-overlay[hidden] { display: none; }
.cookie-modal {
  background: var(--card); border-radius: 18px; width: 100%; max-width: 440px;
  padding: 30px 28px 26px; text-align: center;
  box-shadow: 0 30px 80px -20px rgba(16, 35, 63, 0.45);
  animation: cookiePopIn 0.25s ease-out;
}
.cookie-modal-icon {
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--accent-soft); color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
}
.cookie-modal-icon svg { width: 26px; height: 26px; }
.cookie-modal h3 { margin: 0 0 10px; font-size: 18px; }
.cookie-modal p { margin: 0 0 24px; font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.cookie-modal p a { color: var(--accent); }
.cookie-modal-actions { display: flex; gap: 10px; }
.cookie-modal-actions .btn { flex: 1; padding: 11px 16px; font-size: 14px; }
@keyframes cookieFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes cookiePopIn { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
@media (max-width: 480px) {
  .cookie-modal-actions { flex-direction: column-reverse; }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  section { padding: 52px 0; }
  .hero { padding: 40px 0 56px; }
  .hero h1 { font-size: 32px; }
  nav.mainnav, .header-actions .btn { display: none; }
  .menu-toggle { display: inline-flex; }
  h2 { font-size: 25px; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .trust-strip .wrap { justify-content: flex-start; }
}

/* Menu movil */
#mobileMenu {
  display: none; flex-direction: column; gap: 2px; padding: 10px 24px 16px;
  border-top: 1px solid var(--border); background: var(--card);
}
#mobileMenu.open { display: flex; }
#mobileMenu a { padding: 10px 4px; color: var(--navy-soft); text-decoration: none; font-size: 15px; font-weight: 500; }
#mobileMenu .btn { margin-top: 8px; }