/* ═════════════════════════════════════════════════════════════════
   GL.UY · Versión 2 · GRIMORIO ARCANO
   Estética: Baldur's Gate / cómic gótico / púrpura + dorado
   ═════════════════════════════════════════════════════════════════ */

/* ───────── TOKENS ───────── */
:root {
    /* Paleta púrpura arcana */
    --pur-50:  #faf5ff;
    --pur-200: #e9d5ff;
    --pur-300: #d4a3ff;
    --pur-400: #c084fc;
    --pur-500: #a855f7;
    --pur-600: #9333ea;
    --pur-700: #7e22ce;
    --pur-800: #581c87;
    --pur-900: #3b0764;
    --pur-950: #1f0440;

    /* Dorado/ámbar (ornamentación) */
    --gold-100: #fef3c7;
    --gold-200: #fde68a;
    --gold-300: #f7d27a;
    --gold-400: #f0b85c;
    --gold-500: #c89b4e;
    --gold-700: #7a5a2c;

    /* Fondos profundos */
    --bg-0: #07041a;
    --bg-1: #0a0418;
    --bg-2: #120726;
    --bg-3: #1a0d35;

    /* Líneas y superficies */
    --border:        color-mix(in srgb, var(--pur-400) 18%, transparent);
    --border-strong: color-mix(in srgb, var(--pur-400) 35%, transparent);
    --border-gold:   color-mix(in srgb, var(--gold-400) 35%, transparent);
    --surface:   rgba(168, 85, 247, 0.05);
    --surface-2: rgba(168, 85, 247, 0.10);

    /* Texto */
    --text:       #f4e8ff;
    --text-muted: color-mix(in srgb, var(--text) 65%, transparent);
    --text-dim:   color-mix(in srgb, var(--text) 42%, transparent);
    --text-gold:  var(--gold-300);

    /* Gradientes */
    --grad-pur:  linear-gradient(135deg, #c084fc 0%, #9333ea 50%, #3b0764 100%);
    --grad-gold: linear-gradient(135deg, #fde68a 0%, #c89b4e 60%, #7a5a2c 100%);
    --grad-pur-text:  linear-gradient(135deg, #fde0ff 0%, #c084fc 60%, #7e22ce 100%);
    --grad-gold-text: linear-gradient(135deg, #fef3c7 0%, #f7d27a 50%, #c89b4e 100%);

    /* Sombras */
    --shadow-glow:  0 0 60px color-mix(in srgb, var(--pur-500) 50%, transparent);
    --shadow-card:  0 24px 60px -20px rgba(0,0,0,0.7), 0 0 0 1px var(--border) inset;
    --shadow-rune:  0 8px 30px -8px var(--pur-500);

    /* Tipografía */
    --font-display: 'Cinzel', 'Times New Roman', serif;
    --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, monospace;

    --container: 1240px;
    --radius: 14px;
    --radius-lg: 22px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ───────── RESET ───────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg-0);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }
input, textarea { font: inherit; color: inherit; }

::selection { background: var(--pur-600); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--pur-800), var(--pur-500));
    border-radius: 10px;
}

/* ═════════ CURSOR CUSTOM (3 capas) ═════════ */
@media (hover: hover) and (pointer: fine) {
    body { cursor: none; }
    a, button, .nav-link, .grimoire, [role="button"] { cursor: none; }
}

.cursor-spotlight {
    position: fixed;
    top: 0; left: 0;
    width: 600px; height: 600px;
    transform: translate3d(-50%, -50%, 0);
    pointer-events: none;
    z-index: 9998;
    background: radial-gradient(circle,
        color-mix(in srgb, var(--pur-500) 18%, transparent) 0%,
        color-mix(in srgb, var(--pur-700) 8%, transparent) 30%,
        transparent 70%);
    mix-blend-mode: plus-lighter;
    will-change: transform;
    opacity: 0;
    transition: opacity .4s var(--ease);
}
.cursor-dot {
    position: fixed;
    top: 0; left: 0;
    width: 8px; height: 8px;
    transform: translate3d(-50%, -50%, 0);
    background: var(--gold-300);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--gold-300), 0 0 4px #fff;
    pointer-events: none;
    z-index: 10000;
    mix-blend-mode: plus-lighter;
    will-change: transform;
}
.cursor-ring {
    position: fixed;
    top: 0; left: 0;
    width: 36px; height: 36px;
    transform: translate3d(-50%, -50%, 0);
    border: 1.5px solid color-mix(in srgb, var(--pur-300) 70%, transparent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
    will-change: transform;
}
.cursor-ring.hover {
    width: 64px; height: 64px;
    border-color: var(--gold-400);
    background: color-mix(in srgb, var(--gold-400) 8%, transparent);
}
@media (max-width: 880px), (hover: none) {
    .cursor-dot, .cursor-ring, .cursor-spotlight { display: none; }
    body, a, button { cursor: auto !important; }
}

/* ═════════ GRAIN GLOBAL (textura de película) ═════════ */
.bg-grain {
    position: fixed;
    inset: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 999;
    opacity: 0.04;
    mix-blend-mode: overlay;
}
.bg-grain rect { width: 100%; height: 100%; }

/* ═════════ FONDOS ═════════ */
.bg-aurora {
    position: fixed; inset: -10% -10% auto -10%;
    height: 90vh;
    background:
        radial-gradient(60% 60% at 30% 30%, color-mix(in srgb, var(--pur-700) 40%, transparent), transparent 60%),
        radial-gradient(50% 50% at 80% 20%, color-mix(in srgb, var(--pur-500) 28%, transparent), transparent 60%),
        radial-gradient(40% 40% at 60% 80%, color-mix(in srgb, var(--pur-900) 50%, transparent), transparent 60%);
    filter: blur(60px);
    z-index: -4;
    animation: aurora 20s ease-in-out infinite alternate;
}
@keyframes aurora {
    0%   { transform: translate3d(-2%, -2%, 0) scale(1); }
    100% { transform: translate3d(3%, 2%, 0) scale(1.1); }
}

/* Patrón de runas en el fondo (SVG embebido) */
.bg-runes {
    position: fixed; inset: 0;
    z-index: -3;
    opacity: 0.15;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--pur-400) 30%, transparent) 0px, transparent 2px),
        radial-gradient(circle at 80% 30%, color-mix(in srgb, var(--gold-400) 25%, transparent) 0px, transparent 2px),
        radial-gradient(circle at 40% 70%, color-mix(in srgb, var(--pur-300) 25%, transparent) 0px, transparent 2px),
        radial-gradient(circle at 70% 85%, color-mix(in srgb, var(--gold-400) 20%, transparent) 0px, transparent 2px);
    background-size: 200px 200px, 250px 250px, 180px 180px, 220px 220px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 80%);
}

.bg-vignette {
    position: fixed; inset: 0;
    z-index: -2;
    pointer-events: none;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, transparent 40%, var(--bg-0) 100%);
}

.bg-embers {
    position: fixed; inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

/* ═════════ HEADER ═════════ */
.nav-wrapper {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.5rem 0;
    transition: padding .35s var(--ease), background .35s var(--ease), backdrop-filter .35s var(--ease);
}
.nav-wrapper.shrink {
    padding: 0.75rem 0;
    background: linear-gradient(180deg, var(--bg-1) 0%, transparent 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Logo arriba a la izquierda - con efecto glitch en hover */
.nav-logo {
    position: relative;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: 0.5px;
    line-height: 1;
    transition: filter .3s var(--ease);
}
.nav-logo:hover {
    filter: drop-shadow(0 0 12px var(--pur-400));
    animation: glitch 0.6s steps(2) 2;
}
@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 1px); }
    40% { transform: translate(2px, -1px); }
    60% { transform: translate(-1px, 2px); }
    80% { transform: translate(1px, -2px); }
}
.nl-text {
    background: linear-gradient(180deg, #fff, color-mix(in srgb, #fff 80%, var(--pur-200)));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative; z-index: 1;
}
.nl-uy {
    background: var(--grad-pur-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.nl-dot {
    color: var(--pur-400);
    -webkit-text-fill-color: var(--pur-400);
    text-shadow: 0 0 12px var(--pur-400);
}
.nl-glow {
    position: absolute;
    inset: -6px -10px;
    background: radial-gradient(closest-side, color-mix(in srgb, var(--pur-500) 35%, transparent), transparent);
    opacity: 0;
    transition: opacity .35s var(--ease);
    z-index: 0;
    pointer-events: none;
}
.nav-logo:hover .nl-glow { opacity: 1; }

/* Links derecha */
.nav-links {
    display: flex;
    gap: 2.5rem;
    margin-left: auto;
}
.nav-link {
    position: relative;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.5rem 0;
    transition: color .25s var(--ease);
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 50%; bottom: -4px;
    width: 0; height: 1.5px;
    background: linear-gradient(90deg, transparent, var(--pur-400), transparent);
    transition: width .35s var(--ease), left .35s var(--ease);
    box-shadow: 0 0 8px var(--pur-400);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after,
.nav-link.active::after { width: 60%; left: 20%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    border-radius: 8px;
    margin-left: auto;
}
.nav-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--pur-300);
    transition: all .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═════════ LAYOUT ═════════ */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ═════════ HERO · GRIMORIO ═════════ */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

/* Escena del grimorio como background sutil */
.hero-scene {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: url('../assets/hero-scene.png') no-repeat center center;
    background-size: cover;
    opacity: 0.18;
    filter: saturate(1.2) brightness(0.7) hue-rotate(-10deg);
    /* Funde con los bordes del hero */
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, #000 30%, transparent 90%);
            mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, #000 30%, transparent 90%);
    animation: scene-drift 30s ease-in-out infinite alternate;
}
@keyframes scene-drift {
    0%   { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.05) translate(-1%, -1%); }
}
.hero-scene-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 30% 40%, color-mix(in srgb, var(--pur-700) 30%, transparent), transparent 60%),
        linear-gradient(180deg, transparent 0%, var(--bg-0) 90%);
}

.hero-arch {
    position: absolute;
    inset: 0 0 0 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.25;
}
.hero-arch svg {
    width: 100%; height: 100%;
}

.hero-candle {
    position: absolute;
    bottom: 5%;
    width: 80px; height: 280px;
    z-index: 1;
    opacity: 0.65;
    pointer-events: none;
}
.hero-candle-left  { left: 4%; }
.hero-candle-right { right: 4%; transform: scaleX(-1); }
.hero-candle .flame {
    transform-origin: center bottom;
    animation: flicker 1.4s ease-in-out infinite alternate;
    filter: drop-shadow(0 0 12px var(--pur-400)) drop-shadow(0 0 20px var(--gold-300));
}
@keyframes flicker {
    0%   { transform: scale(1) translateY(0); opacity: 1; }
    50%  { transform: scale(0.95, 1.05) translateY(-1px); opacity: 0.85; }
    100% { transform: scale(1.05, 0.95); opacity: 1; }
}

.hero-grid {
    position: relative; z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
    align-items: center;
}

/* ── Texto hero ── */
.hero-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(4.5rem, 10vw, 9rem);
    line-height: 0.9;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}
.hl-gl {
    background: linear-gradient(180deg, #fff 0%, #d4a3ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hl-dot {
    color: var(--pur-400);
    -webkit-text-fill-color: var(--pur-400);
    text-shadow: 0 0 24px var(--pur-400), 0 0 50px var(--pur-500);
    animation: dot-glow 2.5s ease-in-out infinite;
}
.hl-uy {
    background: var(--grad-pur-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 24px color-mix(in srgb, var(--pur-500) 40%, transparent));
}
@keyframes dot-glow {
    0%, 100% { text-shadow: 0 0 16px var(--pur-400), 0 0 32px var(--pur-500); }
    50%      { text-shadow: 0 0 28px var(--pur-300), 0 0 60px var(--pur-400); }
}

/* Divisor diamante */
.hero-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    color: var(--gold-300);
    max-width: 360px;
}
.hd-line {
    flex: 1; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
}
.hd-diamond {
    width: 22px; height: 22px;
    filter: drop-shadow(0 0 8px var(--gold-400));
    animation: diamond-spin 8s linear infinite;
}
@keyframes diamond-spin { to { transform: rotate(360deg); } }

/* Palabras clave */
.hero-words {
    display: flex; flex-direction: column;
    gap: 0.65rem;
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 1.8vw, 1.45rem);
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--pur-200);
    margin-bottom: 3rem;
    line-height: 1.2;
}
.hero-words span {
    display: inline-block;
    transition: transform .4s var(--ease), color .3s var(--ease);
}
.hero-words span:hover {
    color: var(--gold-300);
    transform: translateX(8px);
}

/* ── Botón rúnico ── */
.rune-button {
    position: relative;
    display: inline-flex; align-items: center; gap: 0.7rem;
    padding: 1rem 1.75rem;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.92rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--pur-700) 80%, transparent),
        color-mix(in srgb, var(--pur-900) 80%, transparent));
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    overflow: hidden;
    isolation: isolate;
    transition: all .35s var(--ease);
    will-change: transform;
}
.rune-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
    transform: translateX(-110%);
    transition: transform .7s var(--ease);
    z-index: 0;
}
.rune-button .rb-glow {
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: var(--grad-pur);
    opacity: 0;
    transition: opacity .35s var(--ease);
    z-index: -1;
    filter: blur(14px);
}
.rune-button .rb-text,
.rune-button .rb-arrow { position: relative; z-index: 1; }
.rune-button .rb-arrow {
    width: 24px; height: 24px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    transition: transform .3s var(--ease);
}
.rune-button:hover {
    border-color: var(--gold-400);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -10px var(--pur-500);
}
.rune-button:hover::before { transform: translateX(110%); }
.rune-button:hover .rb-glow { opacity: 0.6; }
.rune-button:hover .rb-arrow { transform: translateX(3px) rotate(-45deg); }

.rune-button-block { width: 100%; justify-content: center; }

/* ─────────── CEREBRO ELDER · stage ─────────── */
.hero-brain {
    position: relative;
    display: grid; place-items: center;
    aspect-ratio: 1 / 1.15;
    width: 100%;
    perspective: 1400px;
    transform-style: preserve-3d;
}

.invocation {
    position: absolute;
    inset: 0;
    display: grid; place-items: center;
}
.invocation-circle {
    position: absolute;
    width: 110%; height: 110%;
    filter: drop-shadow(0 0 18px color-mix(in srgb, var(--pur-500) 50%, transparent));
}
.invocation-circle.outer  { animation: spin 80s linear infinite; }
.invocation-circle.middle { animation: spin 50s linear infinite reverse; }
.invocation-circle.inner  { animation: spin 30s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* @property: animar gradientes con interpolación REAL (Houdini) */
@property --conicAngle {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}
@property --auraOpacity {
    syntax: '<number>';
    inherits: false;
    initial-value: 0.5;
}

/* Aura conic detrás del cerebro - rota + cambia color */
.brain-aura {
    position: absolute;
    inset: -8%;
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
    background: conic-gradient(from var(--conicAngle, 0deg) at 50% 50%,
        transparent 0deg,
        color-mix(in srgb, var(--pur-500) 60%, transparent) 60deg,
        color-mix(in srgb, var(--gold-400) 40%, transparent) 120deg,
        transparent 180deg,
        color-mix(in srgb, var(--pur-400) 50%, transparent) 240deg,
        color-mix(in srgb, var(--gold-300) 35%, transparent) 300deg,
        transparent 360deg);
    filter: blur(40px);
    opacity: var(--auraOpacity);
    mix-blend-mode: screen;
    animation:
        conic-rotate 12s linear infinite,
        aura-breathe 5s ease-in-out infinite;
}
@keyframes conic-rotate { to { --conicAngle: 360deg; } }
@keyframes aura-breathe {
    0%, 100% { --auraOpacity: 0.5; transform: scale(1); }
    50%      { --auraOpacity: 0.9; transform: scale(1.05); }
}

/* Sombra elíptica abajo (proyección del cerebro) */
.brain-shadow {
    position: absolute;
    bottom: -2%; left: 50%;
    transform: translateX(-50%);
    width: 60%; height: 8%;
    background: radial-gradient(ellipse at center,
        color-mix(in srgb, var(--pur-700) 80%, transparent) 0%,
        transparent 70%);
    filter: blur(18px);
    z-index: 0;
    animation: shadow-pulse 6s ease-in-out infinite;
}
@keyframes shadow-pulse {
    0%, 100% { transform: translateX(-50%) scaleX(1); opacity: 0.8; }
    50%      { transform: translateX(-50%) scaleX(1.1); opacity: 1; }
}

.brain-vessel {
    position: relative;
    z-index: 2;
    width: 95%;
    aspect-ratio: 1;
    display: grid; place-items: center;
    animation: float 7s ease-in-out infinite;
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform .35s var(--ease);
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-18px); }
}

/* La imagen del cerebro elder */
.brain-img {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
    /* Mask radial: funde los bordes con el fondo */
    -webkit-mask-image: radial-gradient(circle at 50% 48%, #000 45%, rgba(0,0,0,0.85) 60%, transparent 78%);
            mask-image: radial-gradient(circle at 50% 48%, #000 45%, rgba(0,0,0,0.85) 60%, transparent 78%);
    /* Glow tremendo */
    filter:
        drop-shadow(0 0 60px color-mix(in srgb, var(--pur-500) 75%, transparent))
        drop-shadow(0 0 28px color-mix(in srgb, var(--pur-400) 60%, transparent))
        drop-shadow(0 0 14px color-mix(in srgb, var(--gold-400) 30%, transparent))
        drop-shadow(0 30px 50px rgba(0, 0, 0, 0.7))
        contrast(1.08) saturate(1.15) brightness(1.05);
    animation: brain-pulse 4s ease-in-out infinite;
}
@keyframes brain-pulse {
    0%, 100% {
        filter:
            drop-shadow(0 0 60px color-mix(in srgb, var(--pur-500) 75%, transparent))
            drop-shadow(0 0 28px color-mix(in srgb, var(--pur-400) 60%, transparent))
            drop-shadow(0 0 14px color-mix(in srgb, var(--gold-400) 30%, transparent))
            drop-shadow(0 30px 50px rgba(0, 0, 0, 0.7))
            contrast(1.08) saturate(1.15) brightness(1.05);
    }
    50% {
        filter:
            drop-shadow(0 0 90px color-mix(in srgb, var(--pur-400) 90%, transparent))
            drop-shadow(0 0 40px color-mix(in srgb, var(--pur-300) 80%, transparent))
            drop-shadow(0 0 20px color-mix(in srgb, var(--gold-300) 45%, transparent))
            drop-shadow(0 30px 50px rgba(0, 0, 0, 0.7))
            contrast(1.12) saturate(1.25) brightness(1.1);
    }
}

/* Brillo conic encima del cerebro (subtle, tipo "energía rotando") */
.brain-shine {
    position: absolute;
    inset: 8% 8% 8% 8%;
    z-index: 4;
    pointer-events: none;
    border-radius: 50%;
    background: conic-gradient(from var(--shineAngle, 0deg) at 50% 50%,
        transparent 0deg,
        color-mix(in srgb, #fff 22%, transparent) 30deg,
        transparent 60deg,
        transparent 180deg,
        color-mix(in srgb, var(--gold-200) 18%, transparent) 210deg,
        transparent 240deg,
        transparent 360deg);
    mix-blend-mode: plus-lighter;
    -webkit-mask-image: radial-gradient(circle at 50% 48%, #000 35%, transparent 70%);
            mask-image: radial-gradient(circle at 50% 48%, #000 35%, transparent 70%);
    animation: shine-rotate 8s linear infinite;
    opacity: 0.6;
}
@property --shineAngle {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}
@keyframes shine-rotate { to { --shineAngle: 360deg; } }

/* Aura secundaria más amplia */
.brain-aura-2 {
    position: absolute;
    inset: -25%;
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
    background: radial-gradient(circle,
        color-mix(in srgb, var(--pur-500) 35%, transparent) 0%,
        color-mix(in srgb, var(--pur-700) 18%, transparent) 30%,
        transparent 65%);
    filter: blur(50px);
    mix-blend-mode: screen;
    animation: aura-2-pulse 6s ease-in-out infinite;
}
@keyframes aura-2-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50%      { opacity: 0.85; transform: scale(1.08); }
}

/* Cristales - pulso intenso */
.crystal {
    transform-origin: center;
    transform-box: fill-box;
    animation: crystal-pulse 2.8s ease-in-out infinite;
}
.crystal-left  { animation-delay: 0.4s; }
.crystal-right { animation-delay: 0.7s; }
@keyframes crystal-pulse {
    0%, 100% { opacity: 0.85; transform: scale(1); }
    50%      { opacity: 1; transform: scale(1.12); }
}

/* Venas pulsando */
.vein {
    stroke-dasharray: 200;
    animation: vein-flow 4s linear infinite;
}
.vein:nth-child(2)  { animation-delay: -0.5s; }
.vein:nth-child(3)  { animation-delay: -1s; }
.vein:nth-child(4)  { animation-delay: -1.5s; }
.vein:nth-child(5)  { animation-delay: -2s; }
.vein:nth-child(6)  { animation-delay: -2.5s; }
.vein:nth-child(7)  { animation-delay: -3s; }
.vein:nth-child(8)  { animation-delay: -3.5s; }
@keyframes vein-flow {
    from { stroke-dashoffset: 0;   opacity: 0.7; }
    50%  { opacity: 1; }
    to   { stroke-dashoffset: -200; opacity: 0.7; }
}

/* Tentáculos ondeando */
.tentacle {
    transform-origin: top center;
    transform-box: fill-box;
    animation: tentacle-sway 6s ease-in-out infinite;
}
.tentacle.t1 { animation-delay: -0.5s; }
.tentacle.t2 { animation-delay: -1s; }
.tentacle.t3 { animation-delay: -1.5s; }
.tentacle.t4 { animation-delay: -2s; }
.tentacle.t5 { animation-delay: -2.5s; }
.tentacle.t6 { animation-delay: -3s; }
.tentacle.t7 { animation-delay: -3.5s; }
@keyframes tentacle-sway {
    0%, 100% { transform: rotate(-1.5deg) translateY(0); }
    50%      { transform: rotate(1.5deg) translateY(-3px); }
}

/* Sparks */
.sparks circle { animation: spark 2.4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.sparks circle:nth-child(odd)  { animation-delay: 0.4s; }
.sparks circle:nth-child(3n)   { animation-delay: 0.9s; }
.sparks circle:nth-child(4n)   { animation-delay: 1.4s; }
.sparks circle:nth-child(5n)   { animation-delay: 1.9s; }
@keyframes spark {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50%      { opacity: 1; transform: scale(2); filter: drop-shadow(0 0 8px #fde0ff) drop-shadow(0 0 4px #fff); }
}

/* Orbs flotantes alrededor del cerebro */
.orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.orb {
    position: absolute;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--pur-300);
    box-shadow: 0 0 16px var(--pur-400), 0 0 30px color-mix(in srgb, var(--pur-500) 70%, transparent);
    top: 50%; left: 50%;
}
.orb:nth-child(1) { animation: orbit1 9s linear infinite; }
.orb:nth-child(2) { animation: orbit2 13s linear infinite; }
.orb:nth-child(3) { animation: orbit3 17s linear infinite; }
.orb:nth-child(4) { animation: orbit1 11s linear infinite reverse; background: var(--gold-300); box-shadow: 0 0 12px var(--gold-400); }
.orb:nth-child(5) { animation: orbit2 15s linear infinite reverse; }
.orb:nth-child(6) { animation: orbit3 19s linear infinite reverse; background: var(--gold-300); box-shadow: 0 0 12px var(--gold-400); }
.orb:nth-child(7) { animation: orbit1 21s linear infinite; width: 5px; height: 5px; }
.orb:nth-child(8) { animation: orbit2 25s linear infinite reverse; background: var(--gold-200); box-shadow: 0 0 10px var(--gold-300); width: 5px; height: 5px; }
@keyframes orbit1 {
    from { transform: rotate(0deg) translateX(220px) rotate(0deg); }
    to   { transform: rotate(360deg) translateX(220px) rotate(-360deg); }
}
@keyframes orbit2 {
    from { transform: rotate(120deg) translateX(260px) rotate(-120deg); }
    to   { transform: rotate(480deg) translateX(260px) rotate(-480deg); }
}
@keyframes orbit3 {
    from { transform: rotate(240deg) translateX(290px) rotate(-240deg); }
    to   { transform: rotate(600deg) translateX(290px) rotate(-600deg); }
}

/* Borde inferior ornamentado */
.ornament-border {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 60px;
    pointer-events: none;
    opacity: 0.55;
}

/* ═════════ SECTION ═════════ */
.section {
    padding: 8rem 0;
    position: relative;
}
.section-dark {
    background: linear-gradient(180deg,
        transparent 0%,
        color-mix(in srgb, var(--pur-950) 60%, transparent) 50%,
        transparent 100%);
}
.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 4rem;
}

.eyebrow-ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    color: var(--gold-400);
    margin-bottom: 1rem;
}
.eyebrow-ornament .eo-line {
    width: 60px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-500));
}
.eyebrow-ornament .eo-line:last-child {
    background: linear-gradient(90deg, var(--gold-500), transparent);
}
.eyebrow-ornament svg {
    width: 14px; height: 14px;
    filter: drop-shadow(0 0 6px var(--gold-400));
}
.eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: var(--gold-300);
    margin-bottom: 1rem;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.15;
}
.section-title em {
    font-style: italic;
    background: var(--grad-pur-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.section-sub {
    color: var(--text-muted);
    font-size: 1.08rem;
    margin-top: 1.25rem;
    line-height: 1.7;
}

/* ═════════ GRIMOIRES (cards) ═════════ */
.grimoires {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.grimoire {
    position: relative;
    padding: 2.25rem 1.75rem 2rem;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--bg-2) 90%, transparent),
        color-mix(in srgb, var(--bg-1) 90%, transparent));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    isolation: isolate;
    transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
    /* 3D tilt setup */
    transform-style: preserve-3d;
    transform:
        perspective(1000px)
        rotateX(calc(var(--ty, 0) * -8deg))
        rotateY(calc(var(--tx, 0) * 8deg));
}
.grimoire > * { transform: translateZ(20px); }
.grimoire .grim-frame { transform: translateZ(40px); }
.grimoire .grim-rune  { transform: translateZ(50px); }

/* Borde animado (gradiente que rota alrededor) */
.grimoire::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from var(--gAngle, 0deg) at 50% 50%,
        transparent 0deg,
        color-mix(in srgb, var(--pur-400) 80%, transparent) 60deg,
        transparent 120deg,
        transparent 240deg,
        color-mix(in srgb, var(--gold-400) 80%, transparent) 300deg,
        transparent 360deg);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    transition: opacity .4s var(--ease);
    animation: card-border-rotate 4s linear infinite;
    pointer-events: none;
    z-index: 1;
}
@property --gAngle {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}
@keyframes card-border-rotate { to { --gAngle: 360deg; } }
.grimoire:hover::after { opacity: 1; }
.grimoire::before {
    content: '';
    position: absolute; inset: 0;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--pur-700) 12%, transparent), transparent 40%),
        radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%),
            color-mix(in srgb, var(--pur-500) 20%, transparent), transparent 50%);
    opacity: 0;
    transition: opacity .4s var(--ease);
    pointer-events: none;
    z-index: -1;
}
.grimoire:hover {
    transform: translateY(-6px);
    border-color: var(--border-gold);
    box-shadow: 0 30px 60px -20px color-mix(in srgb, var(--pur-700) 50%, transparent),
                0 0 0 1px color-mix(in srgb, var(--gold-400) 25%, transparent) inset;
}
.grimoire:hover::before { opacity: 1; }

.grim-frame {
    width: 56px; height: 56px;
    margin-bottom: 1.5rem;
    position: relative;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--pur-800), var(--pur-950));
    border: 1px solid var(--border-gold);
    transform: rotate(45deg);
    box-shadow: 0 8px 24px -8px var(--pur-700);
}
.grim-icon {
    transform: rotate(-45deg);
    color: var(--gold-300);
    width: 24px; height: 24px;
}
.grim-icon svg { width: 100%; height: 100%; }
.grim-frame::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid color-mix(in srgb, var(--gold-400) 40%, transparent);
}

.grimoire h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.7rem;
    letter-spacing: 0.5px;
}
.grimoire p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}
.grim-rune {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    font-size: 1.1rem;
    color: var(--gold-400);
    opacity: 0.5;
    transition: all .4s var(--ease);
}
.grimoire:hover .grim-rune {
    opacity: 1;
    transform: rotate(180deg) scale(1.2);
    color: var(--gold-300);
}

/* ═════════ TECH ═════════ */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}
.features {
    display: flex; flex-direction: column;
    gap: 2rem;
}
.features li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: start;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}
.features li:last-child { border: 0; padding-bottom: 0; }
.ft-num {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gold-300);
    line-height: 1;
    width: 60px;
    text-shadow: 0 0 16px color-mix(in srgb, var(--gold-400) 30%, transparent);
}
.features h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}
.features p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Libro/terminal */
.glass-arcane {
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--pur-900) 70%, transparent) 0%,
        color-mix(in srgb, var(--bg-2) 90%, transparent) 100%);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
}
.book {
    overflow: hidden;
    position: relative;
}
.book::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid color-mix(in srgb, var(--gold-400) 18%, transparent);
    border-radius: inherit;
    pointer-events: none;
    margin: 6px;
}
.book-header {
    display: flex; align-items: center; gap: 0.4rem;
    padding: 0.7rem 1rem;
    background: color-mix(in srgb, var(--bg-3) 60%, transparent);
    border-bottom: 1px solid var(--border);
}
.book-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    background: color-mix(in srgb, var(--pur-700) 50%, transparent);
}
.book-title {
    margin-left: 1rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}
.book-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-muted);
    overflow-x: auto;
}
.b-prompt { color: var(--gold-300); margin-right: 0.5rem; }
.b-cmd    { color: var(--text); }
.b-out    { color: var(--text-dim); }
.b-ok     { color: #c084fc; text-shadow: 0 0 8px var(--pur-500); }
.b-blink  {
    display: inline-block;
    width: 8px; height: 16px;
    background: var(--gold-300);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

/* ═════════ NOSOTROS ═════════ */
.nosotros-wrap {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.kpis {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.kpi {
    position: relative;
    padding: 2.25rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--pur-900) 30%, transparent),
        color-mix(in srgb, var(--bg-2) 80%, transparent));
    transition: all .35s var(--ease);
}
.kpi::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px solid color-mix(in srgb, var(--gold-400) 15%, transparent);
    border-radius: inherit;
    pointer-events: none;
}
.kpi:hover {
    transform: translateY(-4px);
    border-color: var(--border-gold);
}
.kpi-num {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    background: var(--grad-gold-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    text-shadow: 0 0 24px color-mix(in srgb, var(--gold-400) 25%, transparent);
}
.kpi-lbl {
    margin-top: 0.7rem;
    font-family: var(--font-display);
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ═════════ CONTACTO ═════════ */
.contact-card {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding: 4rem 3.5rem 3.5rem;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 80% at 50% 0%, color-mix(in srgb, var(--pur-700) 25%, transparent), transparent 60%),
        linear-gradient(180deg,
            color-mix(in srgb, var(--pur-900) 70%, transparent),
            color-mix(in srgb, var(--bg-2) 92%, transparent));
}

/* Esquinas ornamentales doradas */
.contact-corner {
    position: absolute;
    width: 26px; height: 26px;
    border: 1.5px solid var(--gold-400);
    pointer-events: none;
    opacity: 0.85;
    box-shadow: 0 0 12px color-mix(in srgb, var(--gold-400) 35%, transparent);
}
.contact-corner.tl { top: 14px; left: 14px;  border-right: 0; border-bottom: 0; }
.contact-corner.tr { top: 14px; right: 14px; border-left: 0;  border-bottom: 0; }
.contact-corner.bl { bottom: 14px; left: 14px;  border-right: 0; border-top: 0; }
.contact-corner.br { bottom: 14px; right: 14px; border-left: 0;  border-top: 0; }

/* Header centrado */
.contact-header {
    text-align: center;
    margin-bottom: 2rem;
}
.contact-header .eyebrow-ornament { justify-content: center; }
.contact-header .section-sub {
    max-width: 520px;
    margin: 1rem auto 0;
}

/* Divisor decorativo entre header y form */
.contact-divider {
    display: flex; align-items: center; justify-content: center; gap: 1rem;
    margin: 2.5rem auto 2.5rem;
    max-width: 480px;
    color: var(--gold-400);
}
.contact-divider span {
    flex: 1; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-500) 50%, transparent);
}
.contact-divider svg {
    width: 14px; height: 14px;
    filter: drop-shadow(0 0 8px var(--gold-400));
    animation: diamond-spin 8s linear infinite;
}

/* Form */
.contact-form {
    display: flex; flex-direction: column;
    gap: 1.4rem;
    max-width: 560px;
    margin: 0 auto;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.field {
    display: flex; flex-direction: column;
    gap: 0.55rem;
    position: relative;
}
.field label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    color: var(--gold-300);
    letter-spacing: 3px;
    text-transform: uppercase;
}
.field input, .field textarea {
    padding: 1rem 1.15rem;
    color: var(--text);
    font-size: 0.97rem;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--bg-3) 70%, transparent),
        color-mix(in srgb, var(--pur-950) 60%, transparent));
    border: 1px solid color-mix(in srgb, var(--pur-400) 22%, transparent);
    border-radius: 10px;
    transition: all .25s var(--ease);
    resize: vertical;
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--pur-300) 8%, transparent);
}
.field input::placeholder, .field textarea::placeholder {
    color: color-mix(in srgb, var(--pur-200) 35%, transparent);
}
.field input:hover, .field textarea:hover {
    border-color: color-mix(in srgb, var(--pur-400) 40%, transparent);
}
.field input:focus, .field textarea:focus {
    outline: 0;
    border-color: var(--gold-400);
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--pur-900) 65%, transparent),
        color-mix(in srgb, var(--bg-3) 80%, transparent));
    box-shadow:
        0 0 0 4px color-mix(in srgb, var(--pur-500) 15%, transparent),
        0 0 24px -4px color-mix(in srgb, var(--gold-400) 35%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--gold-200) 12%, transparent);
}
.form-status {
    font-size: 0.85rem;
    color: var(--gold-300);
    min-height: 1.2em;
    text-align: center;
    font-family: var(--font-display);
    letter-spacing: 1px;
    margin-top: 0.5rem;
}
.form-status.ok { color: var(--pur-300); }

/* ═════════ FOOTER ═════════ */
.footer {
    padding: 3.5rem 0 2.5rem;
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--pur-950) 60%, transparent));
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.footer-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.5px;
    background: linear-gradient(180deg, #fff, var(--pur-300));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.footer-logo span {
    color: var(--pur-400);
    -webkit-text-fill-color: var(--pur-400);
}
.footer-tag {
    margin-top: 0.5rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--gold-400);
    letter-spacing: 4px;
}
.footer-links {
    display: flex; gap: 1.75rem;
    justify-content: center;
}
.footer-links a {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color .25s var(--ease);
}
.footer-links a:hover { color: var(--gold-300); }
.footer-meta {
    display: flex; flex-direction: column;
    gap: 0.3rem;
    text-align: right;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

/* ═════════ REVEAL ═════════ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
    transition-delay: calc(var(--i, 0) * 0.1s);
}
.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ═════════ RESPONSIVE ═════════ */
@media (max-width: 980px) {
    .hero-grid,
    .tech-grid,
    .nosotros-wrap {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-brain { max-width: 480px; margin: 0 auto; }
    .hero-candle { display: none; }
    .contact-card { padding: 3rem 1.75rem 2.5rem; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-links, .footer-meta { justify-content: center; text-align: center; align-items: center; }
}

@media (max-width: 720px) {
    .nav-links {
        position: absolute;
        top: 100%;
        right: 1rem; left: 1rem;
        flex-direction: column;
        background: var(--bg-2);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 1.25rem;
        gap: 1rem;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: all .3s var(--ease);
    }
    .nav-links.open {
        opacity: 1; pointer-events: auto; transform: translateY(0);
    }
    .nav-toggle { display: flex; }
    .form-row { grid-template-columns: 1fr; }
    .section { padding: 5rem 0; }
    .hero-logo { font-size: clamp(3.5rem, 18vw, 6rem); }
}