:root {
    --neon: #00ad9b;
    --neon-glow: rgba(0, 173, 155, 0.4);
    --neon-bright: #00ffcc;
    --neon-dark: #006677;
    --bg-dark: #030303;
    --glass-bg: rgba(15, 15, 15, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --holographic-gradient: linear-gradient(135deg, rgba(255,0,128,0.3), rgba(0,255,255,0.3), rgba(255,255,0,0.3));
    --rainbow-border: linear-gradient(90deg, #ff0080, #00ffff, #ffff00, #ff0080);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Inter', sans-serif; background-color: var(--bg-dark); color: #fff; 
    min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden;
}
#loader-wrapper {
    position: fixed; inset: 0; z-index: 99999; background: var(--bg-dark);
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}
.spinner {
    width: 60px; height: 60px; border: 4px solid rgba(0, 173, 155, 0.1); border-radius: 50%;
    border-top-color: var(--neon); animation: spin 1s ease-in-out infinite, pulseGlow 2s infinite alternate; margin-bottom: 20px;
}
.loader-text { font-weight: 900; letter-spacing: 3px; color: var(--neon); font-size: 0.9rem; animation: pulseText 1.5s infinite alternate;}
body.loaded #loader-wrapper { opacity: 0; visibility: hidden; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulseGlow { to { box-shadow: 0 0 20px var(--neon-glow); } }
@keyframes pulseText { from { opacity: 0.5; } to { opacity: 1; } }

.bg-mesh { position: fixed; inset: 0; z-index: -1; background: radial-gradient(circle at 15% 50%, rgba(0,173,155,0.08), transparent 40%), radial-gradient(circle at 85% 30%, rgba(0,173,155,0.05), transparent 40%);}
.bg-image {
    position: fixed; inset: 0; z-index: -2; opacity: 0.25; 
    background-image: url('../static/fondo.png'); background-size: cover; background-position: center;
    filter: blur(10px); animation: bgBreathe 15s infinite alternate ease-in-out;
}
@keyframes bgBreathe { 0% { transform: scale(1); } 100% { transform: scale(1.05); } }

.navbar {
    display: flex; justify-content: space-between; align-items: center; padding: 15px 5%; position: sticky; top: 0; z-index: 1000;
    background: rgba(5,5,5,0.5); backdrop-filter: blur(24px) saturate(200%); -webkit-backdrop-filter: blur(24px) saturate(200%);
    border-bottom: 1px solid var(--glass-border); box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: translateY(-100%); animation: slideDown 0.6s forwards 0.5s;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes slideDown { to { transform: translateY(0); } }
.brand { display: flex; align-items: center; gap: 15px; cursor: pointer; text-decoration: none; color: white;}
.nav-logo { height: 32px; filter: drop-shadow(0 0 5px var(--neon-glow)); }
.logo-text { font-weight: 900; letter-spacing: 2px; font-size: 1.1rem; }
.logo-text span { color: var(--neon); }

/* Integración Google Translate Glossy */
.nav-right { display: flex; align-items: center; gap: 15px; }
#google_translate_element select {
    background: rgba(255,255,255,0.05); color: white; border: 1px solid var(--glass-border);
    padding: 8px 12px; border-radius: 8px; font-family: inherit; font-size: 0.85rem; outline: none; cursor: pointer;
    transition: 0.3s;
}
#google_translate_element select:hover { background: rgba(0,173,155,0.2); border-color: var(--neon); }
#google_translate_element select option { background: #111; color: white; }
.goog-te-gadget { color: transparent !important; font-size: 0px !important; }
.goog-logo-link { display: none !important; }
.goog-te-banner-frame.skiptranslate { display: none !important; }
body { top: 0px !important; }

.kofi-btn { transition: transform 0.3s; }
.kofi-btn:hover { transform: scale(1.05) translateY(-2px); filter: drop-shadow(0 5px 15px rgba(255,94,91,0.4)); }

.hero { text-align: center; padding: 10vh 20px 6vh; opacity: 0; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 900; color: #fff; text-shadow: 0 0 40px var(--neon-glow); margin-bottom: 15px; }
.hero p { color: var(--neon); font-weight: bold; letter-spacing: 1px; text-transform: uppercase; max-width: 600px; margin: 0 auto; line-height: 1.6; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; padding: 0 20px 80px; }
.card {
    background: var(--glass-bg); backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border); border-radius: 24px;
    padding: 40px 30px; text-align: center; text-decoration: none; color: white;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); position: relative; overflow: hidden;
    opacity: 0; transform: translateY(40px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon), transparent);
    opacity: 0; transition: 0.4s;
}

.card::after {
    content: ''; position: absolute; inset: 0;
    background: var(--rainbow-border);
    background-size: 300% 300%;
    border-radius: 24px;
    padding: 2px;
    opacity: 0;
    z-index: -1;
    transition: 0.4s;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(0,173,155,0.5);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6), inset 0 0 20px rgba(0,173,155,0.05);
    animation: holographicGlow 2s ease-in-out infinite;
}

.card:hover::before { opacity: 1; }
.card:hover::after { opacity: 1; animation: rainbowBorder 3s linear infinite; }

@keyframes holographicGlow {
    0%, 100% {
        box-shadow: 0 20px 40px rgba(0,0,0,0.6), inset 0 0 20px rgba(0,173,155,0.05);
    }
    50% {
        box-shadow: 0 25px 50px rgba(0,0,0,0.7), inset 0 0 30px rgba(0,173,155,0.1);
    }
}

@keyframes rainbowBorder {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.corp-logo { height: 60px; max-width: 160px; object-fit: contain; margin-bottom: 25px; filter: grayscale(1) opacity(0.6); transition: 0.4s; animation: floatLogo 6s infinite ease-in-out; }
.card:nth-child(even) .corp-logo { animation-delay: -3s; } 
@keyframes floatLogo { 0% { transform: translateY(0px); } 50% { transform: translateY(-8px); } 100% { transform: translateY(0px); } }
.card:hover .corp-logo { animation-play-state: paused; filter: grayscale(0) opacity(1) drop-shadow(0 10px 15px rgba(0,0,0,0.5)); transform: scale(1.1); }
.card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.card p { color: #999; font-size: 0.9rem; line-height: 1.5; }

.ext-list { max-width: 800px; margin: 0 auto 80px; padding: 0 20px; }
.ext-item {
    display: flex; justify-content: space-between; align-items: center; gap: 20px;
    background: linear-gradient(145deg, rgba(20,20,20,0.8), rgba(10,10,10,0.9));
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.05); padding: 30px; border-radius: 20px;
    margin-bottom: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0; transform: translateX(-30px);
    position: relative; overflow: hidden;
}

.ext-item::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 10% 10%, rgba(0,173,155,0.05), transparent 50%);
    opacity: 0; transition: 0.3s;
}

.ext-item:hover {
    border-color: rgba(0,173,155,0.4);
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(0,173,155,0.15), 0 0 20px rgba(0,173,155,0.05);
}

.ext-item:hover::before { opacity: 1; }
.ext-info h3 { color: var(--neon); font-size: 1.4rem; margin-bottom: 5px; }
.ext-info p { color: #aaa; font-size: 0.95rem; }
.btn-dl {
    background: rgba(0,173,155,0.1); color: var(--neon); border: 1px solid var(--neon-glow);
    padding: 12px 25px; border-radius: 12px; text-decoration: none; font-weight: 700; white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative; overflow: hidden;
    backdrop-filter: blur(4px);
}

.btn-dl::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,173,155,0.2), rgba(0,255,204,0.2));
    opacity: 0; transition: 0.3s;
}

.btn-dl:hover {
    background: var(--neon); color: black;
    box-shadow: 0 0 20px var(--neon-glow), 0 0 40px rgba(0,173,155,0.2);
    transform: scale(1.05) translateY(-2px);
}

.btn-dl:hover::before { opacity: 1; }
.btn-dl:active { transform: scale(0.98); }
.back-link { display: inline-block; margin-bottom: 30px; color: #888; text-decoration: none; font-weight: bold; transition: 0.2s; opacity: 0;}
.back-link:hover { color: var(--neon); transform: translateX(-5px);}

footer { text-align: center; padding: 40px; margin-top: auto; border-top: 1px solid var(--glass-border); background: rgba(0,0,0,0.5); opacity: 0;}
footer p { color: #555; font-size: 0.85rem; }

/* Noise Texture Overlay para Glassmorphism Realista */
.noise-overlay {
    position: fixed; inset: 0; pointer-events: none; z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.4;
}

/* Efectos de Glow Pulsante Premium */
@keyframes neonPulse {
    0%, 100% {
        filter: drop-shadow(0 0 5px var(--neon)) drop-shadow(0 0 10px var(--neon-glow));
    }
    50% {
        filter: drop-shadow(0 0 15px var(--neon)) drop-shadow(0 0 25px var(--neon-glow)) drop-shadow(0 0 35px rgba(0,173,155,0.2));
    }
}

/* Cursor Personalizado con Trail */
.custom-cursor {
    width: 20px; height: 20px;
    border: 2px solid var(--neon);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 999999;
    transition: all 0.1s ease-out;
    mix-blend-mode: difference;
}

.cursor-trail {
    width: 6px; height: 6px;
    background: var(--neon);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 999998;
    opacity: 0.6;
}

/* Efecto de Typing Animation */
.typing-effect {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--neon);
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--neon) }
}

/* Holographic Scan Effect */
.holographic-scan {
    position: relative; overflow: hidden;
}

.holographic-scan::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 50%;
    background: linear-gradient(180deg, transparent, rgba(0,173,155,0.1), transparent);
    transform: rotate(45deg);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { top: -50%; }
    100% { top: 150%; }
}

/* Efecto de Distorsión Glitch */
.glitch-effect {
    position: relative;
}

.glitch-effect::before, .glitch-effect::after {
    content: attr(data-text);
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}

.glitch-effect::before {
    left: 2px; text-shadow: -1px 0 #ff00c1; clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch-effect::after {
    left: -2px; text-shadow: -1px 0 #00fff9; clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(31px, 9999px, 94px, 0); }
    5% { clip: rect(70px, 9999px, 11px, 0); }
    10% { clip: rect(6px, 9999px, 83px, 0); }
    15% { clip: rect(53px, 9999px, 63px, 0); }
    20% { clip: rect(54px, 9999px, 24px, 0); }
    25% { clip: rect(14px, 9999px, 85px, 0); }
    30% { clip: rect(75px, 9999px, 63px, 0); }
    35% { clip: rect(59px, 9999px, 43px, 0); }
    40% { clip: rect(20px, 9999px, 77px, 0); }
    45% { clip: rect(4px, 9999px, 98px, 0); }
    50% { clip: rect(32px, 9999px, 2px, 0); }
    55% { clip: rect(82px, 9999px, 43px, 0); }
    60% { clip: rect(25px, 9999px, 68px, 0); }
    65% { clip: rect(57px, 9999px, 70px, 0); }
    70% { clip: rect(79px, 9999px, 13px, 0); }
    75% { clip: rect(36px, 9999px, 59px, 0); }
    80% { clip: rect(66px, 9999px, 27px, 0); }
    85% { clip: rect(15px, 9999px, 90px, 0); }
    90% { clip: rect(93px, 9999px, 33px, 0); }
    95% { clip: rect(7px, 9999px, 79px, 0); }
    100% { clip: rect(48px, 9999px, 94px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    5% { clip: rect(52px, 9999px, 74px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(75px, 9999px, 5px, 0); }
    20% { clip: rect(67px, 9999px, 61px, 0); }
    25% { clip: rect(14px, 9999px, 79px, 0); }
    30% { clip: rect(1px, 9999px, 66px, 0); }
    35% { clip: rect(86px, 9999px, 30px, 0); }
    40% { clip: rect(23px, 9999px, 98px, 0); }
    45% { clip: rect(85px, 9999px, 72px, 0); }
    50% { clip: rect(71px, 9999px, 75px, 0); }
    55% { clip: rect(2px, 9999px, 48px, 0); }
    60% { clip: rect(30px, 9999px, 16px, 0); }
    65% { clip: rect(59px, 9999px, 50px, 0); }
    70% { clip: rect(41px, 9999px, 62px, 0); }
    75% { clip: rect(2px, 9999px, 82px, 0); }
    80% { clip: rect(47px, 9999px, 73px, 0); }
    85% { clip: rect(3px, 9999px, 27px, 0); }
    90% { clip: rect(26px, 9999px, 55px, 0); }
    95% { clip: rect(42px, 9999px, 97px, 0); }
    100% { clip: rect(38px, 9999px, 49px, 0); }
}

/* Efecto 3D Rotation en Logos */
.logo-3d {
    perspective: 1000px;
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-3d:hover {
    transform: rotateY(15deg) rotateX(10deg) scale(1.1);
}

/* Responsive Optimizations */
@media (max-width: 768px) {
    .card { padding: 25px 20px; }
    .ext-item { padding: 20px; flex-direction: column; text-align: center; }
    .btn-dl { width: 100%; }

    /* Reduced performance para móviles */
    .holographic-scan::before { animation: none; }
    .glitch-effect::before, .glitch-effect::after { display: none; }

    /* Evitar parpadeo en móviles */
    .card:hover { transform: none; }
    .ext-item:hover { transform: none; }
}

/* Reglas para evitar conflictos GSAP vs CSS */
.card:hover { will-change: transform; }
.ext-item:hover { will-change: transform; }

/* Optimización de GPU para animaciones suaves */
.card, .ext-item, .hero, footer, .navbar {
    backface-visibility: hidden;
    perspective: 1000px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .holographic-scan::before { animation: none; }
    .glitch-effect::before, .glitch-effect::after { display: none; }
    .custom-cursor, .cursor-trail { display: none; }
}