/* ===========================================
   CUALQUIER TIEMPO PASADO FUE ANTERIOR
   CSS ULTRA OPTIMIZADO
   Estética años 80-90 | Máximo rendimiento
   =========================================== */

/* Variables CSS para consistencia y fácil personalización */
:root {
    --neon-pink: #ff00ff;
    --neon-cyan: #00ffff;
    --neon-green: #00ff00;
    --neon-yellow: #ffff00;
    --neon-orange: #ff6600;
    --dark-bg: #0a0a0a;
    --dark-purple: #1a0a2e;
    --dark-blue: #0d1b2a;
    --grid-color: rgba(0, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --font-main: 'Courier New', Courier, monospace;
}

/* Reset mínimo pero efectivo */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Estilos base */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--dark-purple) 0%, var(--dark-bg) 50%, var(--dark-blue) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Efecto scanlines CRT */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
}

/* ============ HEADER ============ */
.header {
    background: linear-gradient(180deg, rgba(26, 10, 46, 0.95) 0%, rgba(10, 10, 10, 0.9) 100%);
    border-bottom: 3px solid var(--neon-cyan);
    box-shadow: 0 0 20px var(--neon-cyan);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    display: flex;
    gap: 0.5rem;
}

.logo-text {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink);
}

.logo-zone {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
}

.nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-green);
    border-color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

/* ============ HERO ============ */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: 
        linear-gradient(transparent 0%, rgba(0, 255, 255, 0.03) 50%, transparent 100%),
        repeating-linear-gradient(
            90deg,
            var(--grid-color) 0px,
            var(--grid-color) 1px,
            transparent 1px,
            transparent 60px
        ),
        repeating-linear-gradient(
            0deg,
            var(--grid-color) 0px,
            var(--grid-color) 1px,
            transparent 1px,
            transparent 60px
        );
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-subtitle {
    color: var(--neon-yellow);
    font-size: 1rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--neon-yellow);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--neon-pink);
    text-shadow: 
        0 0 10px var(--neon-pink),
        0 0 20px var(--neon-pink),
        0 0 40px var(--neon-pink);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border: 2px solid var(--neon-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.stat-num {
    font-size: 2rem;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============ ARTICLES ============ */
.articles {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--neon-cyan);
    margin-bottom: 3rem;
    text-shadow: 0 0 10px var(--neon-cyan);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.title-deco {
    color: var(--neon-pink);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: linear-gradient(135deg, rgba(26, 10, 46, 0.8) 0%, rgba(13, 27, 42, 0.8) 100%);
    border: 2px solid var(--neon-pink);
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-cyan));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.3);
}

.card:hover::before {
    opacity: 0.5;
}

.card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.card-category {
    color: var(--neon-green);
    background: rgba(0, 255, 0, 0.1);
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--neon-green);
}

.card-date {
    color: var(--text-secondary);
}

.card-title {
    font-size: 1.2rem;
    color: var(--neon-yellow);
    margin-bottom: 0.75rem;
    text-shadow: 0 0 5px rgba(255, 255, 0, 0.5);
}

.card-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.card-link {
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    transition: all 0.2s ease;
}

.card-link:hover {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

/* ============ ABOUT - TERMINAL ============ */
.about {
    padding: 4rem 2rem;
    display: flex;
    justify-content: center;
}

.terminal {
    max-width: 600px;
    width: 100%;
    background: #000;
    border: 3px solid #333;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), inset 0 0 50px rgba(0, 255, 0, 0.03);
}

.terminal-header {
    background: linear-gradient(180deg, #444 0%, #222 100%);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff5f56;
}

.terminal-btn:nth-child(2) {
    background: #ffbd2e;
}

.terminal-btn:nth-child(3) {
    background: #27c93f;
}

.terminal-title {
    margin-left: auto;
    color: #888;
    font-size: 0.8rem;
}

.terminal-body {
    padding: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.8;
}

.terminal-body p {
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--neon-green);
}

.terminal-text {
    color: var(--neon-cyan);
    white-space: pre;
    font-size: 0.75rem;
    line-height: 1.4;
    overflow-x: auto;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ============ CONTACT ============ */
.contact {
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--neon-green);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--neon-cyan);
    color: var(--text-primary);
    padding: 0.75rem;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.3);
}

.btn-submit {
    background: transparent;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    padding: 1rem 2rem;
    font-family: var(--font-main);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--neon-green);
}

.btn-submit:hover {
    background: var(--neon-green);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--neon-green);
}

/* ============ FOOTER ============ */
.footer {
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.9) 0%, rgba(26, 10, 46, 0.95) 100%);
    border-top: 3px solid var(--neon-pink);
    padding: 2rem;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-text {
    color: var(--neon-pink);
    font-size: 0.7rem;
    margin: 0.5rem 0;
    overflow: hidden;
}

.footer-copy {
    color: var(--neon-cyan);
    font-size: 0.9rem;
    margin: 1rem 0;
}

.footer-info {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin: 0.5rem 0;
}

.footer-counter {
    margin: 1rem 0;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .header-content {
        justify-content: center;
        text-align: center;
    }
    
    .nav {
        justify-content: center;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat {
        min-width: 100px;
    }
    
    .terminal-text {
        font-size: 0.6rem;
    }
    
    .section-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }
    
    .nav-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .articles {
        padding: 2rem 1rem;
    }
}

/* ============ UTILIDADES ============ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Mejora de rendimiento: reduce el repintado */
.card,
.nav-link,
.btn-submit {
    will-change: transform;
}

/* Print styles */
@media print {
    .scanlines,
    .header,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}