/*
 * indexacion-ecosistema.css — Página de indexación del ecosistema Entropía Educativa.
 * Archivo idéntico en nuevoEntropiaMVC y revistaEntropiaMVC (views/css/).
 * Clases con prefijo ix- para no chocar con Tailwind ni con premium-internal.css.
 */
.ix {
    --ix-navy: #12163b;
    --ix-navy-2: #1d2357;
    --ix-accent: #e43c25;
    --ix-accent-soft: #ff8a6b;
    --ix-ink: #0f172a;
    --ix-muted: #64748b;
    --ix-line: #e2e8f0;
    --ix-bg: #f8fafc;
    color: var(--ix-ink);
}
.ix *, .ix *::before, .ix *::after { box-sizing: border-box; }
.ix-wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ── Cabecera de autoridad ─────────────────────────────────────────────── */
.ix-hero { background: var(--ix-navy); color: #fff; padding: 64px 0 56px; text-align: center; position: relative; overflow: hidden; }
.ix-hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.06) .6px, transparent .6px); background-size: 26px 26px; pointer-events: none; }
.ix-hero > * { position: relative; }
.ix-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); font-size: .8rem; font-weight: 600; color: rgba(255,255,255,.85); margin-bottom: 20px; }
.ix-eyebrow i { color: var(--ix-accent-soft); }
.ix-hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; margin: 0 0 14px; color: #fff; }
.ix-hero p { max-width: 720px; margin: 0 auto; color: rgba(255,255,255,.72); font-size: 1.05rem; line-height: 1.6; }

.ix-ids { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; max-width: 980px; margin: 32px auto 0; text-align: left; }
.ix-id { display: block; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; padding: 12px 14px; color: #fff; text-decoration: none; transition: background .2s, border-color .2s; }
a.ix-id:hover { background: rgba(255,255,255,.12); border-color: rgba(255,138,107,.6); }
.ix-id small { display: block; font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ix-accent-soft); margin-bottom: 4px; }
.ix-id strong { display: block; font-size: .92rem; font-weight: 700; word-break: break-word; }

/* ── Barra de métricas ─────────────────────────────────────────────────── */
.ix-metrics { background: #fff; border-bottom: 1px solid var(--ix-line); }
.ix-metrics ul { list-style: none; margin: 0 auto; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); max-width: 1200px; }
.ix-metrics li { padding: 22px 16px; text-align: center; border-right: 1px solid var(--ix-line); }
.ix-metrics li:last-child { border-right: 0; }
.ix-metrics .ix-num { display: block; font-size: 2rem; font-weight: 800; color: var(--ix-navy); line-height: 1.1; font-variant-numeric: tabular-nums; }
.ix-metrics .ix-lbl { display: block; margin-top: 4px; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ix-muted); }
.ix-metrics-note { text-align: center; font-size: .75rem; color: var(--ix-muted); padding: 10px 16px 0; margin: 0; }

/* ── Niveles ───────────────────────────────────────────────────────────── */
.ix-levels { background: var(--ix-bg); padding: 64px 0; }
.ix-intro { text-align: center; max-width: 760px; margin: 0 auto 40px; }
.ix-intro h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--ix-navy); margin: 0 0 10px; }
.ix-intro p { color: var(--ix-muted); line-height: 1.6; margin: 0; }
.ix-level { background: #fff; border: 1px solid var(--ix-line); border-radius: 18px; padding: 28px; margin-bottom: 24px; }
.ix-level-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.ix-level-num { flex: 0 0 auto; width: 48px; height: 48px; border-radius: 14px; background: var(--ix-navy); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.15rem; }
.ix-level-head h3 { margin: 0 0 4px; font-size: 1.2rem; font-weight: 800; color: var(--ix-navy); }
.ix-level-head h3 i { color: var(--ix-accent); margin-right: 6px; font-size: .95em; }
.ix-level-head p { margin: 0; color: var(--ix-muted); font-size: .92rem; line-height: 1.55; }
.ix-level-count { margin-left: auto; flex: 0 0 auto; font-size: .75rem; font-weight: 700; color: var(--ix-muted); background: var(--ix-bg); border: 1px solid var(--ix-line); border-radius: 999px; padding: 4px 10px; white-space: nowrap; }

.ix-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.ix-card { display: flex; flex-direction: column; border: 1px solid var(--ix-line); border-radius: 14px; overflow: hidden; background: #fff; transition: transform .2s, box-shadow .2s; }
.ix-card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15,23,42,.08); }
.ix-card-logo { height: 84px; display: flex; align-items: center; justify-content: center; padding: 14px 20px; background: var(--ix-bg); border-bottom: 1px solid var(--ix-line); }
.ix-card-logo img { max-height: 54px; max-width: 100%; width: auto; object-fit: contain; }
.ix-card-body { display: flex; flex-direction: column; flex: 1; padding: 16px; }
.ix-card-body h4 { margin: 0 0 6px; font-size: 1rem; font-weight: 700; color: var(--ix-navy); }
.ix-badge { display: inline-block; align-self: flex-start; margin-bottom: 8px; font-size: .7rem; font-weight: 700; color: var(--ix-accent); background: rgba(228,60,37,.08); border: 1px solid rgba(228,60,37,.25); border-radius: 999px; padding: 2px 9px; }
.ix-card-body p { margin: 0 0 14px; flex: 1; font-size: .82rem; line-height: 1.55; color: var(--ix-muted); }
.ix-card-body a { font-size: .8rem; font-weight: 700; text-decoration: none; }
.ix-card-body a:hover { text-decoration: underline; }

/* ── Cita-Fácil (bloque semántico para buscadores e IA) ────────────────── */
.ix-cite { background: #fff; padding: 56px 0; border-top: 1px solid var(--ix-line); }
.ix-cite h2 { font-size: 1.5rem; font-weight: 800; color: var(--ix-navy); margin: 0 0 6px; text-align: center; }
.ix-cite > .ix-wrap > p { text-align: center; color: var(--ix-muted); margin: 0 0 28px; }
.ix-cite dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin: 0; }
.ix-cite dl > div { border: 1px solid var(--ix-line); border-left: 4px solid var(--ix-accent); border-radius: 12px; padding: 16px 18px; background: var(--ix-bg); }
.ix-cite dt { font-weight: 700; color: var(--ix-navy); margin-bottom: 6px; font-size: .95rem; }
.ix-cite dd { margin: 0; color: #334155; font-size: .88rem; line-height: 1.6; }

/* ── CTA de conversión ─────────────────────────────────────────────────── */
.ix-cta { background: linear-gradient(135deg, var(--ix-navy) 0%, var(--ix-navy-2) 100%); color: #fff; padding: 56px 0; }
.ix-cta-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.ix-cta h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin: 0 0 10px; color: #fff; }
.ix-cta p { color: rgba(255,255,255,.75); line-height: 1.6; margin: 0; }
.ix-cta-actions { display: flex; flex-direction: column; gap: 12px; }
.ix-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 20px; border-radius: 12px; font-weight: 700; font-size: .92rem; text-decoration: none; transition: transform .2s, background .2s; }
.ix-btn:hover { transform: translateY(-1px); }
.ix-btn-primary { background: var(--ix-accent); color: #fff; box-shadow: 0 6px 16px rgba(228,60,37,.35); }
.ix-btn-primary:hover { background: #c8321d; color: #fff; }
.ix-btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); }
.ix-btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }

@media (max-width: 760px) {
    .ix-hero { padding: 48px 0 40px; }
    .ix-level { padding: 20px 16px; }
    .ix-level-head { flex-wrap: wrap; }
    .ix-level-count { margin-left: 64px; }
    .ix-metrics li { border-right: 0; border-bottom: 1px solid var(--ix-line); }
    .ix-cta-inner { grid-template-columns: 1fr; }
    .ix-cite dl { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .ix-card, .ix-btn { transition: none; }
}