/* ==========================================================================
   Academia Quantum — estilos compartidos (multipágina)
   ========================================================================== */
:root {
    /* Colores institucionales */
    --primary: #0B1F3A;
    --primary-700: #15315C;
    --primary-600: #1E3A8A;
    --secondary: #2563EB;
    --accent: #D4A017;
    --accent-light: #F5C542;
    --ink: #0F172A;
    --surface: #F1F5F9;
    --surface-alt: #F8FAFC;
    --success: #16A34A;

    /* Sistema de diseño */
    --radius: 16px;
    --radius-lg: 24px;
    --radius-sm: 10px;
    --shadow-1: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow-2: 0 10px 30px -10px rgba(11, 31, 58, .18);
    --shadow-3: 0 24px 60px -20px rgba(11, 31, 58, .35);
    --shadow-glow: 0 18px 40px -16px rgba(212, 160, 23, .65);
    --header-h: 76px;
    --section-y: clamp(3.5rem, 7vw, 6rem);
}

html { scroll-behavior: smooth; scroll-padding-top: 130px; }
body { -webkit-font-smoothing: antialiased; }

/* Bordes redondeados estandarizados sobre utilidades Tailwind */
.rounded-3xl { border-radius: var(--radius-lg) !important; }
.rounded-2xl { border-radius: var(--radius) !important; }

/* Contraste de textos secundarios (WCAG AA >= 4.5:1) */
[class*="text-blue-100/"] { color: #DBEAFE !important; }
[class*="text-slate-400"] { color: #64748B !important; }
footer [class*="text-blue-100/"] { color: #C7DBF8 !important; }

/* ---------- Accesibilidad ---------- */
.skip-link {
    position: fixed; top: -100px; left: 1rem; z-index: 200;
    background: var(--primary); color: #fff; font-weight: 700;
    padding: .7rem 1.1rem; border-radius: var(--radius); text-decoration: none;
    transition: top .25s ease; box-shadow: var(--shadow-3);
}
.skip-link:focus { top: 1rem; }
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
}
a:focus:not(:focus-visible), button:focus:not(:focus-visible) { outline: none; }

/* ---------- Barra de progreso de lectura ---------- */
#progress-bar {
    position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 120;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transition: width .1s linear;
}

/* ---------- Animaciones ---------- */
@keyframes pulse-gold {
    0%, 100% { box-shadow: 0 0 0 0 rgba(212, 160, 23, .55); }
    50%      { box-shadow: 0 0 0 16px rgba(212, 160, 23, 0); }
}
.animate-pulse-gold { animation: pulse-gold 2.2s ease-in-out infinite; }

@keyframes floaty { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.animate-floaty { animation: floaty 6s ease-in-out infinite; }

@keyframes shine { 0%{background-position:0% 50%} 100%{background-position:200% 50%} }
.gradient-text {
    background: linear-gradient(90deg, #F5C542, #D4A017, #F5C542);
    background-size: 200% auto;
    -webkit-background-clip: text; background-clip: text; color: transparent;
    animation: shine 5s linear infinite;
}

@keyframes blob { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(30px,-30px) scale(1.08)} 66%{transform:translate(-20px,20px) scale(.95)} }
.animate-blob { animation: blob 14s ease-in-out infinite; }

@keyframes live-ping {
    0%   { box-shadow: 0 0 0 0 rgba(34,197,94,.75); }
    70%  { box-shadow: 0 0 0 9px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
@keyframes soft-bounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }
@keyframes check-pop { 0%{transform:scale(0);opacity:0} 60%{transform:scale(1.15)} 100%{transform:scale(1);opacity:1} }

/* ---------- Barra de anuncios + contador ---------- */
.promo-bar {
    position: relative; z-index: 60;
    background: linear-gradient(90deg, #0B1F3A 0%, #15315C 55%, #0B1F3A 100%);
    color: #fff; border-bottom: 1px solid rgba(255,255,255,.08);
}
.live-dot {
    width: 9px; height: 9px; border-radius: 999px; background: #22C55E;
    display: inline-block; animation: live-ping 1.8s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(34,197,94,.75);
}
.countdown-chip {
    display: inline-flex; align-items: center; gap: .35rem;
    background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.16);
    padding: .18rem .6rem; border-radius: 999px; font-variant-numeric: tabular-nums;
    font-weight: 700; font-size: .8rem; color: var(--accent-light);
}
.countdown-lg { font-variant-numeric: tabular-nums; letter-spacing: .02em; }

/* ---------- Navbar ---------- */
#navbar { transition: background-color .35s ease, box-shadow .35s ease, padding .35s ease; }
#navbar .nav-link { color: rgba(255,255,255,.9); }
#navbar .brand-text { color: #fff; }
#navbar.scrolled { background: rgba(255,255,255,.94); backdrop-filter: blur(16px); box-shadow: 0 12px 34px -14px rgba(11,31,58,.4); padding-top: .4rem; padding-bottom: .4rem; }
#navbar.scrolled .nav-link { color: #334155; }
#navbar.scrolled .nav-link:hover, #navbar.scrolled .nav-link.active { color: var(--secondary); }
#navbar.scrolled .brand-text { color: var(--primary); }
#navbar.scrolled #menu-toggle { color: var(--primary); }
.nav-link { position: relative; background: transparent; border: 0; cursor: pointer; font: inherit; }
.nav-link::after { content:''; position:absolute; left:0; bottom:-6px; height:2px; width:0; background:var(--accent); transition:width .3s ease; }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

/* El navbar va sobre fondo oscuro en páginas interiores */
body.inner #navbar .nav-link { color: rgba(255,255,255,.9); }
body.inner #navbar .brand-text { color: #fff; }

/* ---------- Mega menú ---------- */
.nav-item-mega { position: relative; }
.mega-menu {
    position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(8px);
    width: min(760px, 92vw); background: #fff; border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg); box-shadow: var(--shadow-3);
    padding: 1.4rem; opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
    display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1.1rem; z-index: 80;
}
.nav-item-mega:hover .mega-menu,
.nav-item-mega:focus-within .mega-menu,
.nav-item-mega.open .mega-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.mega-col h4 { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--secondary); font-weight: 800; margin-bottom: .7rem; }
.mega-link { display: flex; gap: .7rem; align-items: flex-start; padding: .55rem .6rem; border-radius: 12px; color: #334155; text-decoration: none; transition: background .2s ease; }
.mega-link:hover { background: var(--surface); }
.mega-link i { color: var(--accent); margin-top: .15rem; }
.mega-link strong { display: block; color: var(--primary); font-size: .9rem; }
.mega-link span { font-size: .76rem; color: #64748B; }

/* ---------- Reveal ---------- */
.reveal { opacity:0; transform: translateY(34px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity:1; transform: translateY(0); }

/* ---------- Componentes ---------- */
.glass { background: rgba(255,255,255,.08); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.18); }
.glass-card {
    background: rgba(255,255,255,.72); backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,.6);
    box-shadow: var(--shadow-2); border-radius: var(--radius-lg);
}
.card-lift { transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.card-lift:hover { transform: translateY(-8px); box-shadow: 0 30px 55px -26px rgba(11,31,58,.5); }

.btn-gold { background: linear-gradient(135deg, #F5C542, #D4A017); color:#0F172A; box-shadow: 0 14px 30px -12px rgba(212,160,23,.75); transition: transform .25s ease, box-shadow .25s ease, filter .25s ease; position: relative; overflow: hidden; }
.btn-gold:hover { transform: translateY(-3px); filter: brightness(1.06); box-shadow: 0 20px 40px -14px rgba(212,160,23,.9); }
.btn-gold::before {
    content:''; position:absolute; top:0; left:-120%; width:60%; height:100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.65), transparent);
    transform: skewX(-20deg); transition: left .6s ease;
}
.btn-gold:hover::before { left: 140%; }
.btn-ghost { border: 2px solid rgba(255,255,255,.55); color:#fff; transition: all .25s ease; }
.btn-ghost:hover { background:#fff; color:var(--ink); border-color:#fff; transform: translateY(-3px); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); transition: all .25s ease; }
.btn-outline:hover { background: var(--primary); color:#fff; transform: translateY(-2px); }
.btn-primary { background: var(--secondary); color:#fff; box-shadow: var(--shadow-2); transition: all .25s ease; }
.btn-primary:hover { background: var(--primary-600); transform: translateY(-3px); }

.eyebrow { display:inline-flex; align-items:center; gap:.5rem; font-size:.78rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; padding:.45rem 1rem; border-radius:999px; }

.text-shadow-lg { text-shadow: 0 6px 30px rgba(0,0,0,.45); }
.grid-pattern {
    background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 46px 46px;
}

/* ---------- Hero (inicio) ---------- */
.hero-mask { background:
    radial-gradient(1000px 520px at 12% 18%, rgba(37,99,235,.5), transparent 62%),
    linear-gradient(90deg, rgba(11,31,58,.97) 0%, rgba(11,31,58,.84) 45%, rgba(11,31,58,.4) 100%); }
#hero-canvas { position:absolute; inset:0; width:100%; height:100%; }

/* ---------- Cabecera de páginas interiores ---------- */
.page-hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #0B1F3A 0%, #15315C 60%, #1E3A8A 100%); padding: 188px 0 72px; }
.page-hero .grid-pattern { position:absolute; inset:0; opacity:.35; }
.page-hero__blob { position:absolute; width:420px; height:420px; border-radius:999px; filter: blur(50px); }
.breadcrumb { display:flex; align-items:center; gap:.5rem; font-size:.85rem; color: rgba(191,219,254,.9); margin-bottom:.8rem; flex-wrap: wrap; }
.breadcrumb a:hover { color:#fff; }
.breadcrumb i { font-size:.6rem; }

/* ---------- Programa: tabs ---------- */
.subject-tab.active { background: var(--primary); color:#fff; box-shadow: 0 14px 28px -14px rgba(11,31,58,.9); }
.subject-tab.active i { color: var(--accent-light); }

/* ---------- FAQ ---------- */
.faq-item.open .faq-a { max-height: 640px; opacity:1; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height:0; opacity:0; overflow:hidden; transition: max-height .4s ease, opacity .4s ease; }
.faq-cat.active { background: var(--primary); color:#fff; border-color: var(--primary); }

/* ---------- Videoteca ---------- */
.video-filter.active { background: var(--primary); color:#fff; border-color: var(--primary); }
.video-filter.active i { color: #fff !important; }
.vd-btn { border: 2px solid var(--c); color: var(--c); transition: background .2s ease, color .2s ease, transform .2s ease; }
.vd-btn:hover, .video-topic:hover .vd-btn { background: var(--c); color: #fff; transform: translateY(-2px); }
@keyframes vdIn { from { opacity:0; transform: translateY(14px); } to { opacity:1; transform:none; } }
.vd-card { animation: vdIn .45s cubic-bezier(.16,1,.3,1) both; }
@media (prefers-reduced-motion: reduce) { .vd-card { animation: none; } }

/* Videoteca por temario (tabs) */
.vp-tab.active, .vp-prog.active { background: var(--primary); color:#fff; border-color: var(--primary); }
.vp-tab.active i { color:#fff !important; }
.vp-play { transition: color .2s ease, gap .2s ease; }
.vp-play:hover { gap: .5rem; }
.video-card { cursor: pointer; }
.video-card__thumb { position:relative; aspect-ratio:16/9; overflow:hidden; background:#0B1F3A; }
.video-card__thumb img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.video-card:hover .video-card__thumb img { transform: scale(1.07); }
.video-card__play { position:absolute; inset:0; margin:auto; width:60px; height:60px; border-radius:999px; background:rgba(11,31,58,.72); color:#fff; display:grid; place-items:center; font-size:1.1rem; backdrop-filter: blur(2px); transition: transform .25s ease, background .25s ease; }
.video-card:hover .video-card__play { transform: scale(1.1); background: var(--accent); color:#0F172A; }
.line-clamp-2 { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

#video-modal, #vp-modal { transition: opacity .25s ease, visibility .25s ease; }
#video-modal.hidden-modal, #vp-modal.hidden-modal { opacity:0; visibility:hidden; pointer-events:none; }

/* ---------- Buscador interno ---------- */
#search-modal { position: fixed; inset:0; z-index: 160; display:flex; align-items:flex-start; justify-content:center; padding: 12vh 1rem 1rem; transition: opacity .25s ease, visibility .25s ease; }
#search-modal.hidden-modal { opacity:0; visibility:hidden; pointer-events:none; }

/* ---------- Empty state ---------- */
.empty-state { text-align:center; padding: 3.5rem 1rem; }
.empty-state i { font-size: 2.6rem; color: #94A3B8; }

/* ---------- Timeline (nosotros) ---------- */
.timeline { position: relative; margin: 0 auto; max-width: 900px; }
.timeline::before { content:''; position:absolute; left: 20px; top: 0; bottom: 0; width: 3px; background: linear-gradient(#2563EB, #D4A017); border-radius: 999px; }
.timeline-item { position: relative; padding: 0 0 2.2rem 3.4rem; }
.timeline-item::before { content:''; position:absolute; left: 11px; top: 4px; width: 21px; height: 21px; border-radius: 999px; background:#fff; border: 4px solid var(--secondary); box-shadow: 0 0 0 4px rgba(37,99,235,.15); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-year { font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif); font-weight: 800; color: var(--secondary); }
@media (min-width: 769px) {
    .timeline::before { left: 50%; transform: translateX(-50%); }
    .timeline-item { width: 50%; padding: 0 0 2.4rem 0; }
    .timeline-item:nth-child(odd) { padding-right: 2.6rem; text-align: right; }
    .timeline-item:nth-child(even) { margin-left: 50%; padding-left: 2.6rem; }
    .timeline-item:nth-child(odd)::before { left: auto; right: -10.5px; }
    .timeline-item:nth-child(even)::before { left: -10.5px; }
}

/* ---------- Comparativa ---------- */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden; border-radius: var(--radius-lg); }
.compare-table th, .compare-table td { padding: 1rem 1.1rem; text-align: left; border-bottom: 1px solid #E2E8F0; font-size: .95rem; }
.compare-table thead th { background: var(--primary); color:#fff; font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif); }
.compare-table thead th:nth-child(3) { background: var(--secondary); }
.compare-table tbody tr:nth-child(even) { background: var(--surface-alt); }
.compare-table .good { color: var(--success); font-weight: 600; }
.compare-table .bad { color: #94A3B8; }

/* ---------- Simulador de costos ---------- */
.sim-input { width:100%; padding:.7rem .9rem; border:1px solid #CBD5E1; border-radius: var(--radius); background:#fff; font: inherit; color: var(--ink); }
.sim-input:focus { border-color: var(--secondary); outline:none; box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.plan-option { display:flex; gap:.6rem; align-items:center; padding:.7rem .8rem; border:1.5px solid #CBD5E1; border-radius: 14px; cursor:pointer; transition: all .2s ease; }
.plan-option:hover { border-color: var(--secondary); }
.plan-option.selected { border-color: var(--secondary); background: rgba(37,99,235,.06); box-shadow: 0 8px 20px -12px rgba(37,99,235,.6); }
.saving-badge { background: rgba(22,163,74,.12); color: #15803D; font-weight:700; }

/* ---------- Formulario por pasos ---------- */
.step-panel { display:none; }
.step-panel.active { display:block; animation: fadeUp .4s ease; }
@keyframes fadeUp { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:none} }
.step-dot { width:34px; height:34px; border-radius:999px; display:grid; place-items:center; font-weight:800; background:#E2E8F0; color:#64748B; transition: all .25s ease; }
.step-dot.active { background: var(--secondary); color:#fff; }
.step-dot.done { background: var(--success); color:#fff; }
.step-line { flex:1; height:3px; background:#E2E8F0; border-radius:999px; }
.step-line.done { background: var(--success); }

/* ---------- Toasts ---------- */
#toast-wrap { position: fixed; left: 1rem; bottom: 1.2rem; z-index: 150; display: flex; flex-direction: column; gap: .6rem; max-width: 340px; }
.toast {
    display:flex; gap:.7rem; align-items:flex-start; background:#fff; color: var(--ink);
    border-left: 4px solid var(--secondary); border-radius: 14px; padding: .85rem 1rem;
    box-shadow: var(--shadow-3); animation: toastIn .35s cubic-bezier(.16,1,.3,1);
    font-size: .9rem;
}
.toast.toast-success { border-color: var(--success); }
.toast.toast-gold { border-color: var(--accent); }
.toast__close { margin-left:auto; color:#94A3B8; background:none; border:0; cursor:pointer; }
@keyframes toastIn { from{opacity:0; transform: translateX(-20px)} to{opacity:1; transform:none} }
@keyframes toastOut { to{opacity:0; transform: translateX(-20px)} }

/* ---------- Tooltips informativos ---------- */
[data-tip] { position: relative; cursor: help; border-bottom: 1px dotted currentColor; }
[data-tip]:hover::after, [data-tip]:focus::after {
    content: attr(data-tip);
    position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
    background: #0B1F3A; color:#fff; font-size: .78rem; line-height: 1.35; font-weight: 500;
    padding: .5rem .7rem; border-radius: 10px; width: max-content; max-width: 250px;
    box-shadow: var(--shadow-2); z-index: 100; text-align: left; white-space: normal;
}

/* ---------- Widget flotante multifunción ---------- */
#fab { position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 130; }
#fab-toggle { width: 60px; height: 60px; border-radius: 999px; background: #16A34A; color:#fff; display:grid; place-items:center; box-shadow: var(--shadow-3); transition: transform .3s ease, background .3s ease; }
#fab-toggle:hover { transform: scale(1.08); }
#fab-menu { position:absolute; bottom: 72px; right: 0; display:flex; flex-direction:column; gap:.6rem; align-items:flex-end; opacity:0; visibility:hidden; transform: translateY(12px); transition: all .25s ease; }
#fab.open #fab-menu { opacity:1; visibility:visible; transform:none; }
.fab-item { display:flex; align-items:center; gap:.6rem; background:#fff; color: var(--primary); padding:.55rem .9rem; border-radius:999px; box-shadow: var(--shadow-2); font-weight:700; font-size:.85rem; text-decoration:none; }
.fab-item i { width:2rem; height:2rem; border-radius:999px; display:grid; place-items:center; color:#fff; }
.fab-item .fa-whatsapp { background:#16A34A; }
.fab-item .fa-phone { background: var(--secondary); }
.fab-item .fa-arrow-up { background: var(--primary); }
#fab-toggle i { transition: transform .3s ease; }
#fab.open #fab-toggle i { transform: rotate(45deg); }

/* ---------- Dark mode (opcional) ---------- */
html.dark { color-scheme: dark; }
html.dark body { background:#0B1220 !important; color:#E2E8F0 !important; }
html.dark .bg-white { background:#111B2E !important; }
html.dark [class*="bg-surface"] { background:#0F1A2E !important; }
html.dark .text-primary { color:#93C5FD !important; }
html.dark .text-ink, html.dark .text-slate-700, html.dark .text-slate-600 { color:#CBD5E1 !important; }
html.dark .text-slate-500 { color:#94A3B8 !important; }
html.dark .border-slate-100, html.dark .border-slate-200 { border-color: rgba(148,163,184,.16) !important; }
html.dark .brand-text { color:#fff !important; }
html.dark #navbar.scrolled { background: rgba(11,18,32,.94) !important; }
html.dark #navbar.scrolled .nav-link { color:#CBD5E1; }
html.dark #navbar.scrolled .brand-text { color:#fff; }
html.dark .mega-menu { background:#111B2E !important; border-color: rgba(148,163,184,.16); }
html.dark .mega-link strong { color:#93C5FD; }
html.dark .mega-link span, html.dark .text-slate-400 { color:#94A3B8 !important; }
html.dark .toast, html.dark .fab-item, html.dark .sim-input, html.dark .glass-card { background:#111B2E !important; color:#E2E8F0 !important; }
html.dark .compare-table thead th { background:#0F1A2E; }
html.dark .compare-table tbody tr:nth-child(even) { background:#0F1A2E; }
html.dark .compare-table th, html.dark .compare-table td { border-color: rgba(148,163,184,.16); }

/* ---------- Utilidades ---------- */
#back-to-top { transition: opacity .3s ease, transform .3s ease; }
.no-scrollbar::-webkit-scrollbar { display:none; }
.no-scrollbar { -ms-overflow-style:none; scrollbar-width:none; }

/* Cursor personalizado en tarjetas interactivas */
.cursor-zoom { cursor: zoom-in; }
.cursor-more { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30'%3E%3Ccircle cx='15' cy='15' r='14' fill='%230B1F3A'/%3E%3Ctext x='15' y='19' font-size='9' fill='%23F5C542' text-anchor='middle' font-family='sans-serif'%3EVER%3C/text%3E%3C/svg%3E") 15 15, pointer; }

/* Blur-up para imágenes pesadas */
.blur-img { background: linear-gradient(110deg, #e2e8f0 8%, #f1f5f9 18%, #e2e8f0 33%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
.blur-img.is-loaded { animation: none; background: none; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* Confirmación visual (check) */
.success-check { animation: check-pop .5s cubic-bezier(.16,1,.3,1) both; }

/* Secciones alternadas (evita bordes oscuros) */
.section-alt { background: var(--surface-alt); }
.divider-soft { height:1px; background: linear-gradient(90deg, transparent, #E2E8F0, transparent); border:0; }

/* Botones WhatsApp con micro-respuesta */
.wa-btn { transition: transform .2s ease; }
.wa-btn:active { transform: scale(.96); }

/* ---------- Accesibilidad: foco visible ---------- */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
#navbar.scrolled .nav-link:focus-visible { outline-color: var(--secondary); }
.skip-link { position:absolute; left:-9999px; top:0; z-index:100; background:#fff; color:var(--primary); padding:.7rem 1.1rem; border-radius:0 0 10px 0; font-weight:700; }
.skip-link:focus { left:0; }

/* ---------- Tipografía: evitar viudas/huérfanas ---------- */
h1, h2, .font-heading { text-wrap: balance; }
p { text-wrap: pretty; }

/* ---------- Menú móvil con desenfoque ---------- */
#mobile-menu { background: rgba(255,255,255,.96); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); transition: transform .25s ease, opacity .25s ease; }

/* ---------- Botón flotante de WhatsApp con pulso ---------- */
#wa-flotante::after { content:''; position:absolute; top:3px; right:3px; width:12px; height:12px; border-radius:999px; background:#22c55e; box-shadow:0 0 0 0 rgba(34,197,94,.75); animation: pulse-wa 2.2s infinite; }
@keyframes pulse-wa { 0%{box-shadow:0 0 0 0 rgba(34,197,94,.75)} 70%{box-shadow:0 0 0 13px rgba(34,197,94,0)} 100%{box-shadow:0 0 0 0 rgba(34,197,94,0)} }

/* ---------- Skeletons de carga ---------- */
.skeleton { position:relative; overflow:hidden; background:#e5eaf0; }
.skeleton::after { content:''; position:absolute; inset:0; transform:translateX(-100%); background:linear-gradient(90deg, transparent, rgba(255,255,255,.65), transparent); animation: shimmer 1.3s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.video-skel { border-radius:1.5rem; overflow:hidden; border:1px solid #eef2f6; }
.video-skel .skeleton { aspect-ratio:16/9; }
.video-skel .skeleton.txt { height:12px; margin:14px 18px 8px; border-radius:6px; }
.video-skel .skeleton.txt2 { height:12px; margin:0 18px 20px; width:60%; border-radius:6px; }

/* ---------- Áreas táctiles mínimas (48px) en móvil ---------- */
@media (max-width: 640px) {
    #menu-toggle { width:48px; height:48px; }
    .video-filter { min-height:48px; }
    .btn-gold, .btn-ghost, .btn-outline { min-height:48px; }
    #back-to-top { width:48px; height:48px; }
}

/* ---------- Ultra-responsive (móvil) ---------- */
@media (max-width: 768px) {
    .container { padding-left: 1rem !important; padding-right: 1rem !important; }
    #navbar { padding-top: .35rem; padding-bottom: .35rem; }
    .promo-bar { font-size: 12px; }
    section.py-24 { padding-top: 3.25rem; padding-bottom: 3.25rem; }
    section.py-20 { padding-top: 2.75rem; padding-bottom: 2.75rem; }
    section.py-16 { padding-top: 2.25rem; padding-bottom: 2.25rem; }
    h1, h2, h3, p { overflow-wrap: anywhere; }
    .glass-card, .rounded-3xl { border-radius: 20px; }
    .page-hero { padding: 152px 0 56px; }
    .compare-table th, .compare-table td { padding: .65rem .55rem; font-size: .82rem; }
    .video-card__play { width: 52px; height: 52px; }
    #fab { right: 1rem; bottom: 1rem; }
    #fab-toggle { width: 54px; height: 54px; }
    #toast-wrap { left: .75rem; right: .75rem; max-width: none; }
    #search-modal { padding-top: 8vh; }
    .breadcrumb { font-size: .8rem; }
    #progress-bar { height: 3px; }
}
@media (max-width: 480px) {
    .text-5xl { font-size: 2.05rem !important; }
    .text-4xl { font-size: 1.75rem !important; }
    .text-3xl { font-size: 1.5rem !important; }
    #hero-canvas { display: none; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
    .reveal{opacity:1;transform:none}
    .animate-floaty,.animate-blob,.animate-pulse-gold,.gradient-text,.live-dot{animation:none!important}
    html{scroll-behavior:auto}
    .btn-gold,.btn-ghost,.btn-outline,.card-lift{transition:none!important}
    #wa-flotante::after,.skeleton::after{animation:none!important}
}