:root {
  --bg: #0B0F1A;
  --bg-soft: #111827;
  --card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.10);
  --cyan: #00E0FF;
  --violet: #7B5CFF;
  --text: #FFFFFF;
  --text-soft: #C4CBD6;
  --text-muted: #9AA3B2;
  --radius: 16px;
  --max: 1100px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text-soft); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--text); line-height: 1.2; font-weight: 800; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 2.9rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 2.5rem; }
h3 { font-size: 1.2rem; margin-top: 1.5rem; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2rem; }
li { margin-bottom: .35rem; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--cyan); color: #000; padding: .5rem 1rem; z-index: 200; }
.skip-link:focus { left: 0; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .75rem 1.3rem; border-radius: 999px; font-weight: 700; font-size: .95rem; border: 1px solid transparent; font-family: inherit; transition: transform .2s, border-color .2s; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--cyan), var(--violet)); color: #05070D; box-shadow: 0 8px 28px rgba(0,224,255,.2); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--cyan); }

/* Cabecera */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; background: rgba(11,15,26,.75); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo img { height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-soft); font-size: .92rem; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); text-decoration: none; }
.nav-cta { padding: .5rem 1rem; font-size: .88rem; }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); width: 44px; height: 44px; border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; }
.menu-toggle svg { width: 22px; height: 22px; }
.mobile-menu { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: .75rem 0; }
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; margin: 0; padding: 0; }
.mobile-menu a { display: block; padding: .8rem 1.25rem; color: var(--text-soft); font-weight: 500; }
.mobile-menu a:hover { color: var(--text); background: var(--card); text-decoration: none; }

/* Desplegable de servicios (solo escritorio) */
.nav-dd { position: relative; }
.nav-dd-btn { background: none; border: 0; padding: 0; cursor: pointer; color: var(--text-soft); font: inherit; font-size: .92rem; font-weight: 500; display: inline-flex; align-items: center; gap: .3rem; }
.nav-dd-btn:hover, .nav-dd-btn[aria-expanded="true"] { color: var(--text); }
.nav-dd-btn::after { content: ""; width: 6px; height: 6px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.nav-dd-menu { display: none; position: absolute; top: calc(100% + 14px); left: -12px; min-width: 240px; list-style: none; margin: 0; padding: .5rem; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 16px 40px rgba(0,0,0,.45); }
.nav-dd.open .nav-dd-menu, .nav-dd:focus-within .nav-dd-menu { display: block; }
.nav-dd-menu li { margin: 0; }
.nav-dd-menu a { display: block; padding: .6rem .8rem; border-radius: 10px; color: var(--text-soft); font-size: .92rem; font-weight: 500; white-space: nowrap; }
.nav-dd-menu a:hover { background: var(--card); color: var(--text); text-decoration: none; }

/* Cabecera de página */
.page-hero { padding: 120px 0 2.5rem; background: radial-gradient(800px 400px at 85% -10%, rgba(123,92,255,.2), transparent 60%), var(--bg); }
.breadcrumb { font-size: .85rem; color: var(--text-muted); margin-bottom: 1rem; }
.breadcrumb a { color: var(--text-muted); }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--cyan); margin-bottom: .6rem; }
.lead { font-size: 1.12rem; color: var(--text); max-width: 760px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

/* Contenido */
.section { padding: 2.5rem 0; }
.section.alt { background: var(--bg-soft); }
.prose { max-width: 780px; }
.cards { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-top: 1.5rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.card h3 { margin-top: 0; font-size: 1.05rem; }
.card p { margin: 0; font-size: .95rem; }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: .25rem .65rem; border-radius: 999px; background: rgba(0,224,255,.15); color: var(--cyan); margin-bottom: .6rem; }
.price-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.price-table th, .price-table td { text-align: left; padding: .8rem .6rem; border-bottom: 1px solid var(--border); }
.price-table th { color: var(--text); font-weight: 700; }
.price-table td strong { color: var(--text); font-size: 1.1rem; }
.note { font-size: .88rem; color: var(--text-muted); margin-top: .75rem; }
.cta-box { margin-top: 2.5rem; padding: 2rem; border-radius: 20px; border: 1px solid rgba(0,224,255,.3); background: linear-gradient(135deg, rgba(0,224,255,.08), rgba(123,92,255,.14)); text-align: center; }
.cta-box p { color: var(--text); margin-bottom: 1rem; }
.check { list-style: none; padding: 0; }
.check li { position: relative; padding-left: 1.6rem; }
.check li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 800; }
details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 0 1.1rem; margin-bottom: .6rem; }
details[open] { border-color: rgba(0,224,255,.35); }
summary { cursor: pointer; list-style: none; padding: .95rem 1.8rem .95rem 0; font-weight: 700; color: var(--text); position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--cyan); }
details[open] summary::after { content: "–"; }
details p { padding-bottom: 1rem; margin: 0; font-size: .95rem; }

/* Pie */
.site-footer { background: #070A12; border-top: 1px solid var(--border); padding: 2.5rem 0 1.5rem; margin-top: 3rem; }
.footer-grid { display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.site-footer h4 { color: var(--text); margin: 0 0 .6rem; font-size: .92rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; }
.site-footer a { color: var(--text-muted); font-size: .9rem; }
.site-footer a:hover { color: var(--text); }
.footer-bottom { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--border); font-size: .82rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between; }

/* Aviso de cookies */
.cookie-banner { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 150; max-width: 920px; margin: 0 auto; padding: 1.25rem 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
.cookie-banner[hidden] { display: none; }
.cookie-banner strong { color: var(--text); display: block; margin-bottom: .2rem; }
.cookie-banner p { margin: 0; font-size: .9rem; }
.cookie-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.cookie-actions .btn { padding: .6rem 1.1rem; font-size: .9rem; }

/* Responsive */
@media (min-width: 768px) {
  .cards.two { grid-template-columns: repeat(2, 1fr); }
  .cards.three { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .nav-links, .nav-cta { display: inline-flex; }
  .menu-toggle { display: none; }
}
@media (max-width: 1023px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 480px) {
  .page-hero { padding-top: 104px; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .card { padding: 1.2rem 1.1rem; }
  .cta-box { padding: 1.5rem 1.1rem; }
  .price-table th, .price-table td { padding: .65rem .4rem; font-size: .92rem; }
  .price-table td strong { font-size: 1rem; }
  .cookie-banner { left: .75rem; right: .75rem; bottom: .75rem; padding: 1rem; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}