/* ============================================================
   Gabungin — guía en español — PREMIUM dark-purple SaaS
   (Visuo/Mufi). Mismo sistema de diseño que /es/:
   variables CSS, orbes de gradiente, glassmorphism,
   Plus Jakarta Sans auto-hospedada (OFL).
   Cero frameworks, cero recursos remotos.
   ============================================================ */

/* ---------- self-hosted fonts ---------- */
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("assets/fonts/plus-jakarta-sans-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bg-950: #12101d;
  --bg-900: #181527;
  --bg-800: #1f1b33;
  --violet-500: #8b5cf6;
  --violet-400: #a78bfa;
  --violet-700: #6d28d9;
  --orange-400: #fb923c;
  --orange-500: #f97316;

  --ink: #f4f2fb;
  --muted: #a9a3c7;
  --faint: #7c76a0;
  --line: rgba(139, 92, 246, 0.22);
  --card: rgba(31, 27, 51, 0.72);
  --card-solid: #1f1b33;
  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.12);
  --warning: #fbbf24;

  --radius: 16px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.45);
  --shadow-lift: 0 18px 50px -12px rgba(139, 92, 246, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.65;
  background:
    radial-gradient(1100px 480px at 85% -80px, rgba(139, 92, 246, 0.16), transparent 60%),
    radial-gradient(900px 420px at -10% 20px, rgba(249, 115, 22, 0.10), transparent 55%),
    radial-gradient(700px 500px at 50% 110%, rgba(109, 40, 217, 0.12), transparent 60%),
    var(--bg-950);
  min-height: 100vh;
  overflow-x: hidden;
}
html, body { overflow-x: clip; }

.container { max-width: 920px; margin: 0 auto; padding: 0 16px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

[hidden] { display: none !important; }

.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 100;
  background: var(--violet-500); color: #fff;
  padding: 10px 16px; border-radius: 10px; text-decoration: none;
  transition: top 0.15s ease; font-weight: 700;
}
.skip-link:focus { top: 8px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(18, 16, 29, 0.78);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.brand {
  font-size: 1.35rem; font-weight: 800; margin: 0; letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--violet-400), var(--orange-400));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
a.brand, a.brand:visited { text-decoration: none; color: inherit; cursor: pointer; }
.tagline { margin: 0; color: var(--muted); font-size: 0.85rem; }
.header-badge {
  margin-left: auto; font-size: 0.75rem; font-weight: 700;
  color: var(--orange-400); border: 1px solid rgba(251, 146, 60, 0.4);
  background: rgba(251, 146, 60, 0.1);
  padding: 4px 12px; border-radius: 999px; white-space: nowrap;
}

/* ---------- breadcrumbs ---------- */
.breadcrumbs { font-size: 0.82rem; color: var(--faint); margin: 18px 0 0; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--violet-400); text-decoration: underline; text-underline-offset: 3px; }
.breadcrumbs [aria-current="page"] { color: var(--faint); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 36px 0 12px; position: relative; perspective: 1200px; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: -1; transform: translateZ(0); }
.hero-orb-a {
  width: 340px; height: 340px; left: -90px; top: -40px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.35), transparent 70%);
  animation: orb-drift 14s ease-in-out infinite alternate;
}
.hero-orb-b {
  width: 280px; height: 280px; right: -70px; top: 30px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.22), transparent 70%);
  animation: orb-drift 18s ease-in-out infinite alternate-reverse;
}
@keyframes orb-drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(36px, 28px) scale(1.12); } }
.hero h1 {
  font-size: 2rem; margin: 0 0 10px; letter-spacing: -0.03em; line-height: 1.15;
  animation: float-in 0.7s var(--ease-out) both;
}
.lede { color: var(--muted); font-size: 1.05rem; margin: 0 auto; max-width: 36rem; animation: float-in 0.7s var(--ease-out) 0.08s both; }
@keyframes float-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- direct answer box (AEO) ---------- */
.answer-box {
  background: linear-gradient(140deg, rgba(139, 92, 246, 0.16), rgba(139, 92, 246, 0.05));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; margin: 26px 0;
  animation: float-in 0.7s var(--ease-out) 0.15s both;
}
.answer-box p { margin: 0; color: var(--ink); font-size: 1.02rem; }
.answer-box strong { color: #fff; }

/* ---------- table of contents ---------- */
.toc {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(31, 27, 51, 0.5);
  padding: 18px 22px; margin: 26px 0;
}
.toc h2 { font-size: 1rem; margin: 0 0 10px; color: var(--violet-400); }
.toc ol { margin: 0; padding-left: 1.3rem; display: flex; flex-direction: column; gap: 6px; }
.toc a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.toc a:hover { color: var(--violet-400); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- content sections ---------- */
.content-section { margin: 34px 0; }
.content-section h2 { font-size: 1.32rem; margin: 0 0 12px; letter-spacing: -0.02em; }
.content-section h3 { font-size: 1.1rem; margin: 20px 0 8px; color: var(--ink); }
.content-section p { color: var(--muted); margin: 0 0 12px; }
.content-section p strong, .content-section li strong { color: var(--ink); }
.content-section a { color: var(--violet-400); text-decoration: underline; text-underline-offset: 3px; }
.content-section a:hover { color: var(--orange-400); }
.content-section ul, .content-section ol { color: var(--muted); margin: 0 0 12px; padding-left: 1.4rem; display: flex; flex-direction: column; gap: 8px; }
.content-section li::marker { color: var(--violet-400); }

/* numbered steps */
.steps { margin: 0; padding-left: 1.4rem; display: flex; flex-direction: column; gap: 10px; color: var(--muted); }
.steps strong { color: var(--ink); }

/* tip / note callouts */
.tip {
  border-left: 3px solid var(--violet-400);
  background: rgba(139, 92, 246, 0.08);
  border-radius: 0 12px 12px 0;
  padding: 12px 16px; margin: 16px 0;
}
.tip p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.tip strong { color: var(--ink); }
.tip.warn { border-left-color: var(--warning); background: rgba(251, 191, 36, 0.07); }
.tip.ok { border-left-color: var(--success); background: var(--success-bg); }

/* ---------- comparison table ---------- */
.compare-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 0.92rem; }
.compare-table th, .compare-table td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.compare-table thead th { background: rgba(139, 92, 246, 0.12); color: var(--ink); font-weight: 800; }
.compare-table thead th:first-child { background: transparent; border: none; }
.compare-table tbody th { color: var(--muted); font-weight: 700; background: rgba(31, 27, 51, 0.5); }
.compare-table td { color: var(--ink); }
.compare-table td.dim { color: var(--muted); }
.compare-table tbody tr:nth-child(even) td { background: rgba(139, 92, 246, 0.05); }
.compare-table .pick { color: var(--success); font-weight: 700; }
.table-scroll { overflow-x: auto; margin: 0 -16px; padding: 0 16px; }

/* ---------- method / choice cards ---------- */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 16px 0; }
.choice-card {
  display: flex; flex-direction: column; gap: 6px; align-items: flex-start;
  padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(31, 27, 51, 0.5);
  text-decoration: none; color: var(--ink);
  transform-style: preserve-3d;
  transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s;
}
a.choice-card:hover { transform: translateY(-4px) translateZ(12px); border-color: rgba(139, 92, 246, 0.5); box-shadow: var(--shadow-lift); }
a.choice-card:focus { outline: none; box-shadow: var(--focus-ring); }
.choice-name { font-weight: 800; font-size: 1rem; letter-spacing: -0.01em; }
a.choice-card:hover .choice-name { color: var(--violet-400); }
.choice-desc { font-size: 0.9rem; color: var(--muted); margin: 0; line-height: 1.55; }
.choice-tag {
  font-size: 0.72rem; font-weight: 700; white-space: nowrap;
  padding: 2px 10px; border-radius: 999px; border: 1px solid transparent;
}
.choice-tag.good { color: var(--success); border-color: rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.08); }
.choice-tag.info { color: var(--violet-400); border-color: rgba(139, 92, 246, 0.4); background: rgba(139, 92, 246, 0.08); }

/* ---------- FAQ ---------- */
.content-section details {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 16px; margin-bottom: 8px; background: rgba(31, 27, 51, 0.5);
  transition: border-color 0.15s;
}
.content-section details[open] { border-color: rgba(139, 92, 246, 0.45); }
.content-section summary { cursor: pointer; font-weight: 700; color: var(--ink); }
.content-section summary:focus { outline: none; box-shadow: var(--focus-ring); border-radius: 4px; }
.content-section details p { margin: 8px 0 0; color: var(--muted); font-size: 0.95rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 36px; padding: 22px 0 36px; color: var(--faint); font-size: 0.88rem; }
.site-footer p { margin: 4px 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 12px; }
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.footer-nav a:hover { color: var(--violet-400); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .hero h1 { font-size: 2.6rem; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}