/* ══════════════════════════════════════════════════════════════════
   ✨ VANGUARD LAYER v1.0 — Supra Oráculo (2026-07-04)
   Capa estética de vanguardia · NO destructiva · Carga al final
   ─────────────────────────────────────────────────────────────────
   · Tipografía fluida + shimmer dorado en el título
   · Glass Cards 2.0: borde de gradiente + spotlight cursor-aware
   · CTA con barrido de luz (shine sweep) + halo cónico
   · Aurora ambiental GPU-friendly (solo modo noche)
   · Scroll-reveal (clase .vg-reveal, activada por js/vanguard.js)
   · Nav-tabs refinados · Inputs con focus ring premium
   · Scrollbar personalizada · ::selection · :focus-visible
   · Respeta: day-mode, RTL, móviles, prefers-reduced-motion
   ══════════════════════════════════════════════════════════════════ */

/* ─────────── 0. TOKENS ─────────── */
:root {
    --vg-gold: #f0b429;
    --vg-gold-soft: rgba(240, 180, 41, 0.55);
    --vg-cyan: #22d3ee;
    --vg-violet: #7c6aef;
    --vg-ink: #03030f;
    --vg-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --vg-border-grad: linear-gradient(140deg,
        rgba(240,180,41,0.55) 0%,
        rgba(124,106,239,0.35) 30%,
        rgba(34,211,238,0.25) 55%,
        rgba(124,106,239,0.30) 80%,
        rgba(240,180,41,0.45) 100%);
}

/* ─────────── 1. SELECTION + FOCUS + SCROLLBAR ─────────── */
::selection { background: rgba(240,180,41,0.28); color: #fffbe8; }
body.day-mode ::selection { background: rgba(196,160,53,0.25); color: #1a1a2e; }

:focus-visible {
    outline: 2px solid var(--vg-cyan) !important;
    outline-offset: 3px !important;
    border-radius: 6px;
}

html.vg-on { scrollbar-width: thin; scrollbar-color: rgba(240,180,41,0.35) rgba(10,10,34,0.6); }
html.vg-on::-webkit-scrollbar { width: 10px; }
html.vg-on::-webkit-scrollbar-track { background: #05051a; }
html.vg-on::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(240,180,41,0.5), rgba(124,106,239,0.5));
    border-radius: 8px;
    border: 2px solid #05051a;
}
html.vg-on::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(240,180,41,0.8), rgba(124,106,239,0.8));
}

/* ─────────── 2. AURORA AMBIENTAL (modo noche) ─────────── */
html.vg-on body:not(.day-mode) .app-container::before {
    content: '';
    position: fixed;
    inset: -20%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(38% 32% at 18% 12%, rgba(124,106,239,0.10), transparent 70%),
        radial-gradient(30% 28% at 82% 20%, rgba(34,211,238,0.07), transparent 70%),
        radial-gradient(34% 30% at 70% 85%, rgba(240,180,41,0.06), transparent 70%),
        radial-gradient(26% 24% at 20% 80%, rgba(244,114,182,0.05), transparent 70%);
    animation: vgAurora 26s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes vgAurora {
    0%   { transform: translate3d(0,0,0) scale(1); }
    50%  { transform: translate3d(2.5%, -2%, 0) scale(1.06); }
    100% { transform: translate3d(-2%, 2.5%, 0) scale(1.03); }
}

/* Grano cinematográfico sutil (solo desktop, modo noche) */
@media (min-width: 900px) {
    html.vg-on body:not(.day-mode) .app-container::after {
        content: '';
        position: fixed;
        inset: 0;
        z-index: 0;
        pointer-events: none;
        opacity: 0.05;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
        mix-blend-mode: overlay;
    }
}

/* ─────────── 3. TÍTULO — SHIMMER DORADO + FLUID TYPE ─────────── */
html.vg-on .main-header .main-title {
    font-size: clamp(1.9rem, 1.2rem + 3.4vw, 3.4rem) !important;
    letter-spacing: clamp(3px, 0.8vw, 8px) !important;
    background: linear-gradient(100deg,
        #e8e4f5 0%, #fff7d6 18%, var(--vg-gold) 34%,
        #fff2b8 50%, var(--vg-gold) 64%, #e8e4f5 82%, #cfc8ec 100%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: vgTitleShimmer 7s linear infinite;
    text-shadow: none;
    filter: drop-shadow(0 0 26px rgba(240,180,41,0.22)) drop-shadow(0 0 60px rgba(124,106,239,0.18));
}
@keyframes vgTitleShimmer {
    0%   { background-position: 0% 50%; }
    100% { background-position: -220% 50%; }
}
body.day-mode .main-header .main-title {
    animation: none;
    background: linear-gradient(120deg, #fdf6e3, #f5e6b8, #fdf6e3);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.35));
}

/* Línea de energía bajo el header */
html.vg-on .main-header::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 6px;
    transform: translateX(-50%);
    width: min(420px, 70%);
    height: 1px;
    background: linear-gradient(90deg, transparent,
        rgba(240,180,41,0.55) 30%, rgba(34,211,238,0.55) 50%,
        rgba(240,180,41,0.55) 70%, transparent);
    box-shadow: 0 0 18px rgba(240,180,41,0.35);
    opacity: 0.8;
    pointer-events: none;
}
body.day-mode .main-header::after { opacity: 0.35; box-shadow: none; }

html.vg-on .header-symbols span,
html.vg-on .sacred-geometry-bar span {
    transition: transform 0.35s var(--vg-ease), color 0.35s, filter 0.35s;
    cursor: default;
}
html.vg-on .header-symbols span:hover,
html.vg-on .sacred-geometry-bar span:hover {
    transform: translateY(-5px) scale(1.25);
    color: var(--vg-gold);
    filter: drop-shadow(0 0 12px rgba(240,180,41,0.8));
}

/* ─────────── 4. GLASS CARDS 2.0 — BORDE GRADIENTE + SPOTLIGHT ─────────── */
html.vg-on body:not(.day-mode) .glass-card {
    position: relative;
    background:
        linear-gradient(180deg, rgba(16,16,44,0.72), rgba(8,8,26,0.78)) padding-box;
    border: 1px solid transparent;
    background-clip: padding-box;
    box-shadow:
        0 10px 40px rgba(0,0,0,0.45),
        0 1px 0 rgba(255,255,255,0.04) inset,
        0 0 0 1px rgba(124,106,239,0.10) inset;
    transition: transform 0.45s var(--vg-ease), box-shadow 0.45s var(--vg-ease), border-color 0.45s;
}
/* Borde gradiente con máscara (progressive enhancement) */
@supports (mask-composite: exclude) or (-webkit-mask-composite: xor) {
    html.vg-on body:not(.day-mode) .glass-card::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        padding: 1px;
        background: var(--vg-border-grad);
        -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
        -webkit-mask-composite: xor;
        mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
        mask-composite: exclude;
        opacity: 0.35;
        transition: opacity 0.45s;
        pointer-events: none;
        z-index: 0;
    }
    html.vg-on body:not(.day-mode) .glass-card:hover::before { opacity: 0.8; }
}
html.vg-on body:not(.day-mode) .glass-card:hover {
    box-shadow:
        0 18px 60px rgba(0,0,0,0.55),
        0 0 40px rgba(124,106,239,0.10),
        0 0 80px rgba(240,180,41,0.05),
        0 1px 0 rgba(255,255,255,0.06) inset;
}

/* Spotlight que sigue al cursor (variables --vg-mx/--vg-my desde JS, solo pointer fine) */
@media (hover: hover) and (pointer: fine) {
    html.vg-on body:not(.day-mode) .glass-card.vg-spot::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        background: radial-gradient(340px circle at var(--vg-mx, 50%) var(--vg-my, 50%),
            rgba(240,180,41,0.09), rgba(124,106,239,0.05) 40%, transparent 65%);
        opacity: 0;
        transition: opacity 0.4s;
        pointer-events: none;
        z-index: 0;
    }
    html.vg-on body:not(.day-mode) .glass-card.vg-spot:hover::after { opacity: 1; }
}
/* El contenido de la card siempre por encima de los pseudo-elementos */
html.vg-on .glass-card > * { position: relative; z-index: 1; }

/* ─────────── 5. CTA — BARRIDO DE LUZ + HALO ─────────── */
html.vg-on .btn-cta-main { isolation: isolate; }
html.vg-on .btn-cta-main::after {
    content: '';
    position: absolute;
    top: -60%;
    bottom: -60%;
    left: -30%;
    width: 34%;
    background: linear-gradient(105deg, transparent,
        rgba(255,247,214,0.28) 45%, rgba(255,255,255,0.42) 50%,
        rgba(255,247,214,0.28) 55%, transparent);
    transform: skewX(-18deg) translateX(0);
    animation: vgShine 4.8s var(--vg-ease) infinite;
    pointer-events: none;
    z-index: 2;
}
@keyframes vgShine {
    0%, 55%  { left: -40%; opacity: 0; }
    60%      { opacity: 1; }
    85%, 100%{ left: 135%; opacity: 0; }
}
html.vg-on .btn-cta-main:hover {
    filter: brightness(1.08);
}
html.vg-on .btn-cta-main:active { transform: scale(0.985) !important; }
body.day-mode .btn-cta-main::after { display: none; }

/* Botones secundarios: micro-lift táctil */
html.vg-on .btn-secondary,
html.vg-on .btn-action,
html.vg-on .nav-tab,
html.vg-on .t-tag {
    transition: transform 0.3s var(--vg-ease), box-shadow 0.3s, border-color 0.3s, background 0.3s, color 0.3s;
}
html.vg-on .btn-secondary:active,
html.vg-on .btn-action:active,
html.vg-on .nav-tab:active { transform: scale(0.96); }

/* ─────────── 6. NAV TABS — PÍLDORAS REFINADAS ─────────── */
html.vg-on body:not(.day-mode) .nav-tab {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(124,106,239,0.18);
}
html.vg-on body:not(.day-mode) .nav-tab:hover { transform: translateY(-2px); }
html.vg-on body:not(.day-mode) .nav-tab.active {
    background: linear-gradient(135deg, rgba(240,180,41,0.14), rgba(124,106,239,0.16)) !important;
    border-color: rgba(240,180,41,0.55) !important;
    color: #ffe9a8 !important;
    box-shadow: 0 0 18px rgba(240,180,41,0.15), 0 4px 14px rgba(0,0,0,0.35);
    text-shadow: 0 0 12px rgba(240,180,41,0.45);
}

/* Tags de tradiciones: hover dorado con levitación */
html.vg-on body:not(.day-mode) .t-tag:hover {
    transform: translateY(-2px);
    border-color: rgba(240,180,41,0.5);
    color: #ffe9a8;
    background: rgba(240,180,41,0.08);
    box-shadow: 0 4px 14px rgba(240,180,41,0.12);
}

/* ─────────── 7. INPUTS — FOCUS RING PREMIUM ─────────── */
html.vg-on body:not(.day-mode) .form-group input[type="text"],
html.vg-on body:not(.day-mode) .date-field input {
    background: linear-gradient(180deg, rgba(5,5,20,0.85), rgba(10,10,32,0.75));
    border: 2px solid rgba(124,106,239,0.28);
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.35);
    transition: border-color 0.35s, box-shadow 0.35s, transform 0.35s var(--vg-ease);
}
html.vg-on body:not(.day-mode) .form-group input[type="text"]:focus,
html.vg-on body:not(.day-mode) .date-field input:focus {
    border-color: rgba(240,180,41,0.75);
    box-shadow:
        0 0 0 4px rgba(240,180,41,0.12),
        0 0 30px rgba(240,180,41,0.14),
        inset 0 2px 10px rgba(0,0,0,0.3);
    transform: translateY(-1px);
}
html.vg-on body:not(.day-mode) .form-group input::placeholder,
html.vg-on body:not(.day-mode) .date-field input::placeholder {
    color: rgba(157,151,184,0.45);
}

/* ─────────── 8. OVERVIEW CARDS — HALO SUPERIOR DORADO ─────────── */
html.vg-on body:not(.day-mode) .overview-card {
    transition: transform 0.35s var(--vg-ease), box-shadow 0.35s, border-color 0.35s;
}
html.vg-on body:not(.day-mode) .overview-card:hover {
    transform: translateY(-4px) scale(1.015);
    border-color: rgba(240,180,41,0.35) !important;
    box-shadow: 0 12px 34px rgba(0,0,0,0.45), 0 0 24px rgba(240,180,41,0.10);
}

/* ─────────── 9. SCROLL REVEAL (activado por js/vanguard.js) ─────────── */
html.vg-on .vg-reveal {
    opacity: 0;
    transform: translateY(26px) scale(0.985);
    transition: opacity 0.8s var(--vg-ease), transform 0.8s var(--vg-ease);
    will-change: opacity, transform;
}
html.vg-on .vg-reveal.vg-in {
    opacity: 1;
    transform: translateY(0) scale(1);
    will-change: auto;
}

/* ─────────── 10. ACORDEONES — APERTURA CON GLOW ─────────── */
html.vg-on body:not(.day-mode) .accordion-header:hover .accordion-arrow {
    filter: drop-shadow(0 0 8px rgba(240,180,41,0.7));
}
html.vg-on body:not(.day-mode) .accordion-card.accordion-expanded {
    box-shadow: 0 0 34px rgba(240,180,41,0.14), 0 12px 40px rgba(0,0,0,0.5);
}

/* ─────────── 11. FOOTER — CIERRE ELEGANTE ─────────── */
html.vg-on body:not(.day-mode) .main-footer {
    background:
        radial-gradient(60% 120% at 50% 100%, rgba(124,106,239,0.08), transparent 70%),
        rgba(3,3,15,0.85);
    border-top: 1px solid transparent;
    border-image: linear-gradient(90deg, transparent, rgba(240,180,41,0.35), rgba(34,211,238,0.3), rgba(240,180,41,0.35), transparent) 1;
}
html.vg-on .footer-symbols {
    text-shadow: 0 0 16px rgba(240,180,41,0.3);
}

/* ─────────── 12. SCROLL-TOP BTN — ANILLO CÓNICO ─────────── */
html.vg-on body:not(.day-mode) .scroll-top-btn {
    background:
        linear-gradient(#0d0d28, #0d0d28) padding-box,
        conic-gradient(from 0deg, rgba(240,180,41,0.7), rgba(124,106,239,0.7), rgba(34,211,238,0.7), rgba(240,180,41,0.7)) border-box;
    border: 1.5px solid transparent;
}
html.vg-on body:not(.day-mode) .scroll-top-btn:hover {
    box-shadow: 0 8px 30px rgba(240,180,41,0.25);
}

/* ─────────── 13. ACCESIBILIDAD — REDUCED MOTION ─────────── */
@media (prefers-reduced-motion: reduce) {
    html.vg-on .main-header .main-title,
    html.vg-on .btn-cta-main::after,
    html.vg-on body:not(.day-mode) .app-container::before {
        animation: none !important;
    }
    html.vg-on .vg-reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    html.vg-on * { transition-duration: 0.01ms !important; }
}

/* ─────────── 14. MÓVIL — RENDIMIENTO ─────────── */
@media (max-width: 640px) {
    /* La aurora es más ligera en móvil */
    html.vg-on body:not(.day-mode) .app-container::before {
        animation-duration: 40s;
        background:
            radial-gradient(50% 40% at 20% 10%, rgba(124,106,239,0.08), transparent 70%),
            radial-gradient(45% 40% at 80% 85%, rgba(240,180,41,0.05), transparent 70%);
    }
    /* Sin spotlight ni grano en móvil (ya excluidos por media queries) */
    html.vg-on .main-header .main-title {
        filter: drop-shadow(0 0 18px rgba(240,180,41,0.2));
    }
}

/* ══════════════════════════════════════════════════════════════════
   ✨ VANGUARD v2.0 — SIGUIENTE NIVEL (2026-07-05)
   Starfield vivo · Tilt 3D · Ripple táctil · Transición de pestañas
   Selector de idioma premium · Day-mode refinado
   ══════════════════════════════════════════════════════════════════ */

/* ─────────── 15. STARFIELD CANVAS (cielo vivo, modo noche) ─────────── */
#vgStars {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.4s ease;
}
html.vg-on body:not(.day-mode) #vgStars.vg-ready { opacity: 1; }
body.day-mode #vgStars { display: none; }
@media (prefers-reduced-motion: reduce) { #vgStars { display: none !important; } }

/* ─────────── 16. TILT 3D — OVERVIEW CARDS (desktop, cursor fino) ─────────── */
@media (hover: hover) and (pointer: fine) {
    html.vg-on body:not(.day-mode) .overview-card.vg-tilt {
        transform:
            perspective(760px)
            rotateX(var(--vg-rx, 0deg))
            rotateY(var(--vg-ry, 0deg))
            translateY(-4px) scale(1.02);
        transition: transform 0.12s ease-out, box-shadow 0.35s, border-color 0.35s;
        will-change: transform;
    }
}

/* ─────────── 17. RIPPLE TÁCTIL (delegado por js/vanguard.js) ─────────── */
html.vg-on .vg-ripple-host {
    position: relative;
    overflow: hidden;
}
html.vg-on span.vg-ripple {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle,
        rgba(255,240,200,0.45),
        rgba(240,180,41,0.22) 40%,
        transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    opacity: 1;
    animation: vgRipple 0.7s ease-out forwards;
    mix-blend-mode: screen;
    z-index: 3;
}
body.day-mode span.vg-ripple {
    background: radial-gradient(circle,
        rgba(140,100,20,0.25),
        rgba(140,100,20,0.12) 40%,
        transparent 70%);
    mix-blend-mode: multiply;
}
@keyframes vgRipple {
    to { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* ─────────── 18. SELECTOR DE IDIOMA — PREMIUM ─────────── */
html.vg-on .lang-selector-title {
    background: linear-gradient(100deg, #e8e4f5, #ffe9a8 40%, var(--vg-gold) 55%, #e8e4f5 80%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: vgTitleShimmer 6s linear infinite;
}
html.vg-on .lang-btn {
    transition: transform 0.3s var(--vg-ease), box-shadow 0.3s, border-color 0.3s, background 0.3s;
}
html.vg-on .lang-btn:hover {
    transform: translateY(-3px) scale(1.04);
    border-color: rgba(240,180,41,0.65) !important;
    box-shadow: 0 8px 26px rgba(240,180,41,0.18), 0 0 0 1px rgba(240,180,41,0.25) inset;
}
html.vg-on .lang-btn:hover .lang-flag {
    filter: drop-shadow(0 0 10px rgba(240,180,41,0.7));
}
html.vg-on .lang-btn:active { transform: scale(0.95); }
/* Entrada escalonada de las píldoras de idioma */
html.vg-on .lang-grid .lang-btn { animation: vgLangIn 0.55s var(--vg-ease) backwards; }
html.vg-on .lang-grid .lang-btn:nth-child(1)  { animation-delay: 0.05s; }
html.vg-on .lang-grid .lang-btn:nth-child(2)  { animation-delay: 0.10s; }
html.vg-on .lang-grid .lang-btn:nth-child(3)  { animation-delay: 0.15s; }
html.vg-on .lang-grid .lang-btn:nth-child(4)  { animation-delay: 0.20s; }
html.vg-on .lang-grid .lang-btn:nth-child(5)  { animation-delay: 0.25s; }
html.vg-on .lang-grid .lang-btn:nth-child(6)  { animation-delay: 0.30s; }
html.vg-on .lang-grid .lang-btn:nth-child(7)  { animation-delay: 0.35s; }
html.vg-on .lang-grid .lang-btn:nth-child(8)  { animation-delay: 0.40s; }
html.vg-on .lang-grid .lang-btn:nth-child(9)  { animation-delay: 0.45s; }
html.vg-on .lang-grid .lang-btn:nth-child(10) { animation-delay: 0.50s; }
html.vg-on .lang-grid .lang-btn:nth-child(11) { animation-delay: 0.55s; }
html.vg-on .lang-grid .lang-btn:nth-child(12) { animation-delay: 0.60s; }
@keyframes vgLangIn {
    from { opacity: 0; transform: translateY(14px) scale(0.92); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─────────── 19. TRANSICIÓN DE PESTAÑAS — FADE + LIFT ─────────── */
html.vg-on .tab-content.active {
    animation: vgTabIn 0.45s var(--vg-ease);
}
@keyframes vgTabIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─────────── 20. DAY-MODE REFINADO (elegancia diurna) ─────────── */
html.vg-on body.day-mode .glass-card {
    box-shadow:
        0 6px 24px rgba(90, 60, 10, 0.10),
        0 1px 0 rgba(255,255,255,0.65) inset;
    transition: transform 0.35s var(--vg-ease), box-shadow 0.35s;
}
html.vg-on body.day-mode .glass-card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 14px 38px rgba(90, 60, 10, 0.16),
        0 1px 0 rgba(255,255,255,0.7) inset;
}
html.vg-on body.day-mode .nav-tab.active {
    box-shadow: 0 3px 12px rgba(140, 100, 20, 0.22);
}
html.vg-on body.day-mode .overview-card {
    transition: transform 0.35s var(--vg-ease), box-shadow 0.35s;
}
html.vg-on body.day-mode .overview-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(90, 60, 10, 0.15);
}

/* ─────────── 21. MICRO-DETALLES DE LUJO v2 ─────────── */
/* Icono del CTA con pulso de energía */
html.vg-on body:not(.day-mode) .btn-cta-main .btn-icon {
    animation: vgIconPulse 2.6s ease-in-out infinite;
    display: inline-block;
}
@keyframes vgIconPulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 4px rgba(255,240,200,0.4)); }
    50%      { transform: scale(1.12); filter: drop-shadow(0 0 14px rgba(255,240,200,0.85)); }
}
/* Enlaces del footer con subrayado deslizante */
html.vg-on .main-footer a {
    background-image: linear-gradient(90deg, var(--vg-gold), var(--vg-cyan));
    background-repeat: no-repeat;
    background-size: 0% 1px;
    background-position: 0 100%;
    transition: background-size 0.35s var(--vg-ease);
    text-decoration: none;
    padding-bottom: 2px;
}
html.vg-on .main-footer a:hover { background-size: 100% 1px; }

/* ─────────── 22. SALVAGUARDAS v2 (reduced motion / móvil) ─────────── */
@media (prefers-reduced-motion: reduce) {
    html.vg-on .tab-content.active,
    html.vg-on .lang-grid .lang-btn,
    html.vg-on .lang-selector-title,
    html.vg-on body:not(.day-mode) .btn-cta-main .btn-icon,
    html.vg-on span.vg-ripple {
        animation: none !important;
    }
    html.vg-on body:not(.day-mode) .overview-card.vg-tilt { transform: none !important; }
}
@media (max-width: 640px) {
    /* El tilt no aplica (pointer coarse); ripple y transiciones sí — son ligeros */
    html.vg-on .lang-grid .lang-btn { animation-duration: 0.4s; }
}

/* ══════════════════════════════════════════════════════════════════
   ✨ VANGUARD v3.0 — CONSTELACIONES · PROGRESO · PARALLAX · TEMA
   (2026-07-08) Capa aditiva sobre v2, mismas garantías no destructivas
   ══════════════════════════════════════════════════════════════════ */

/* ─────────── 23. BARRA DE PROGRESO DE LECTURA CÓSMICA ─────────── */
#vgProgress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    z-index: 9999;
    pointer-events: none;
    transform-origin: 0 50%;
    transform: scaleX(var(--vg-prog, 0));
    background: linear-gradient(90deg,
        var(--vg-gold) 0%, #ffe9a8 30%, var(--vg-violet) 65%, var(--vg-cyan) 100%);
    box-shadow: 0 0 12px rgba(240,180,41,0.55), 0 0 4px rgba(34,211,238,0.4);
    opacity: 0;
    transition: opacity 0.5s ease;
}
#vgProgress.vg-visible { opacity: 1; }
/* Cometa en la punta de la barra */
#vgProgress::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: radial-gradient(circle, #fffbe8, rgba(240,180,41,0.9) 45%, transparent 75%);
    filter: drop-shadow(0 0 8px rgba(255,240,200,0.9));
}
body.day-mode #vgProgress {
    box-shadow: 0 0 8px rgba(140,100,20,0.4);
    opacity: 0.85;
}
@media (prefers-reduced-motion: reduce) {
    #vgProgress { transition: none; }
}

/* ─────────── 24. PARALLAX SUAVE DEL HEADER (variable desde JS) ─────────── */
html.vg-on body:not(.day-mode) .main-header .header-symbols,
html.vg-on body:not(.day-mode) .main-header .sacred-geometry-bar {
    transform: translateY(calc(var(--vg-par, 0) * 18px));
    transition: transform 0.1s linear;
    will-change: transform;
}
html.vg-on body:not(.day-mode) .main-header .main-title {
    transform: translateY(calc(var(--vg-par, 0) * 10px));
}
@media (prefers-reduced-motion: reduce), (max-width: 640px) {
    html.vg-on .main-header .header-symbols,
    html.vg-on .main-header .sacred-geometry-bar,
    html.vg-on .main-header .main-title { transform: none !important; }
}

/* ─────────── 25. CROSSFADE DE TEMA (día ↔ noche sin corte brusco) ─────────── */
html.vg-on body.vg-theme-fade,
html.vg-on body.vg-theme-fade .app-container,
html.vg-on body.vg-theme-fade .glass-card,
html.vg-on body.vg-theme-fade .main-header,
html.vg-on body.vg-theme-fade .main-footer,
html.vg-on body.vg-theme-fade .nav-tab {
    transition:
        background 0.9s ease,
        background-color 0.9s ease,
        color 0.9s ease,
        border-color 0.9s ease,
        box-shadow 0.9s ease !important;
}

/* ─────────── 26. TIPOGRAFÍA DE PRECISIÓN ─────────── */
html.vg-on h1, html.vg-on h2, html.vg-on h3 {
    text-wrap: balance;
}
html.vg-on p, html.vg-on li {
    text-wrap: pretty;
}
/* Numerales elegantes en códigos y contadores */
html.vg-on .soul-code, html.vg-on [class*="counter"] {
    font-variant-numeric: tabular-nums;
}

/* ─────────── 27. TAB ACTIVA — INDICADOR ORBITAL ─────────── */
html.vg-on body:not(.day-mode) .nav-tab.active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -3px;
    transform: translateX(-50%);
    width: 26px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--vg-gold), transparent);
    box-shadow: 0 0 10px rgba(240,180,41,0.7);
    animation: vgOrbitPulse 2.4s ease-in-out infinite;
    pointer-events: none;
}
@keyframes vgOrbitPulse {
    0%, 100% { opacity: 0.6; width: 26px; }
    50%      { opacity: 1; width: 40px; }
}
@media (prefers-reduced-motion: reduce) {
    html.vg-on .nav-tab.active::after { animation: none; }
}

/* ─────────── 28. RESULTADOS — ENTRADA CINEMATOGRÁFICA ─────────── */
html.vg-on body:not(.day-mode) #resultsSection.active .results-header,
html.vg-on body:not(.day-mode) #resultsSection .soul-code-display {
    position: relative;
}
html.vg-on body:not(.day-mode) .soul-code-display::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(120deg, transparent 30%, rgba(255,240,200,0.12) 50%, transparent 70%);
    background-size: 250% 100%;
    animation: vgCodeSheen 5.5s ease-in-out infinite;
    pointer-events: none;
}
@keyframes vgCodeSheen {
    0%, 60% { background-position: 120% 0; }
    100%    { background-position: -130% 0; }
}
@media (prefers-reduced-motion: reduce) {
    html.vg-on .soul-code-display::after { animation: none; }
}

/* ══════════════════════════════════════════════════════════════════
   ✨ VANGUARD v4.0 — AURA · BURST · ANILLO · ACCESIBILIDAD
   (2026-07-10) Capa aditiva sobre v3, mismas garantías no destructivas
   ══════════════════════════════════════════════════════════════════ */

/* ─────────── 29. AURA CÓSMICA DEL CURSOR (desktop, modo noche) ─────────── */
#vgAura {
    position: fixed;
    top: 0;
    left: 0;
    width: 340px;
    height: 340px;
    margin: -170px 0 0 -170px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(circle,
        rgba(240,180,41,0.05) 0%,
        rgba(124,106,239,0.035) 38%,
        transparent 68%);
    opacity: 0;
    transition: opacity 0.8s ease;
    will-change: transform;
    mix-blend-mode: screen;
}
#vgAura.vg-alive { opacity: 1; }
body.day-mode #vgAura { display: none; }
@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
    #vgAura { display: none !important; }
}

/* ─────────── 30. BURST DORADO DE CONSULTA (celebración del CTA) ─────────── */
.vg-burst-particle {
    position: fixed;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    background: radial-gradient(circle, #fffbe8, var(--vg-gold) 55%, transparent 80%);
    filter: drop-shadow(0 0 6px rgba(240,180,41,0.8));
    animation: vgBurst 0.9s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
.vg-burst-particle.vg-violet {
    background: radial-gradient(circle, #efeaff, var(--vg-violet) 55%, transparent 80%);
    filter: drop-shadow(0 0 6px rgba(124,106,239,0.8));
}
@keyframes vgBurst {
    0%   { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--vg-bx, 0px), var(--vg-by, -60px)) scale(0.2); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .vg-burst-particle { display: none !important; }
}

/* ─────────── 31. SCROLL-TOP — ANILLO DE PROGRESO CÓNICO ─────────── */
html.vg-on body:not(.day-mode) .scroll-top-btn.vg-ring {
    background:
        linear-gradient(#0d0d28, #0d0d28) padding-box,
        conic-gradient(from -90deg,
            var(--vg-gold) calc(var(--vg-prog-deg, 0) * 1deg),
            rgba(124,106,239,0.22) calc(var(--vg-prog-deg, 0) * 1deg)) border-box;
    border: 2px solid transparent;
}
html.vg-on body.day-mode .scroll-top-btn.vg-ring {
    background:
        linear-gradient(#fdf6e3, #fdf6e3) padding-box,
        conic-gradient(from -90deg,
            #b8860b calc(var(--vg-prog-deg, 0) * 1deg),
            rgba(140,100,20,0.18) calc(var(--vg-prog-deg, 0) * 1deg)) border-box;
    border: 2px solid transparent;
}

/* ─────────── 32. SKIP-LINK ACCESIBLE (navegación por teclado) ─────────── */
#vgSkip {
    position: fixed;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    padding: 10px 22px;
    border-radius: 0 0 12px 12px;
    background: linear-gradient(135deg, #1a1a3e, #0d0d28);
    border: 1px solid var(--vg-gold);
    color: #ffe9a8;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    box-shadow: 0 6px 24px rgba(0,0,0,0.5), 0 0 18px rgba(240,180,41,0.25);
    transition: top 0.3s var(--vg-ease);
}
#vgSkip:focus-visible { top: 0; }
body.day-mode #vgSkip { background: #fdf6e3; color: #7a5c00; }

/* ─────────── 33. PULIDO FINAL DE ACCESIBILIDAD Y CONTRASTE ─────────── */
/* Área táctil mínima cómoda en iconos pequeños interactivos */
html.vg-on .scroll-top-btn { min-width: 48px; min-height: 48px; }
/* Cursor coherente en superficies interactivas */
html.vg-on .accordion-header,
html.vg-on .overview-card[onclick],
html.vg-on .nav-tab { cursor: pointer; }
/* Los pseudo-elementos decorativos jamás roban clics */
html.vg-on .main-header::after,
html.vg-on .btn-cta-main::after,
html.vg-on .soul-code-display::after { pointer-events: none; }
/* Impresión limpia: sin capas cósmicas al imprimir/exportar */
@media print {
    #vgStars, #vgAura, #vgProgress, .vg-ripple, .vg-burst-particle,
    html.vg-on body:not(.day-mode) .app-container::before,
    html.vg-on body:not(.day-mode) .app-container::after { display: none !important; }
}