/* ============================================
   PREDATOR THEME - VARIABLES Y ESTILOS GLOBALES
   ============================================ */

:root {
    /* Colores Predator - Visión Térmica */
    --predator-green: #00ff41;
    --predator-green-dark: #00cc33;
    --predator-red: #ff0000;
    --predator-orange: #ff6600;
    --predator-yellow: #ffff00;
    --black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #3a3a3a;
    
    /* Efectos */
    --glow-green: 0 0 10px var(--predator-green), 0 0 20px var(--predator-green), 0 0 30px var(--predator-green);
    --glow-red: 0 0 10px var(--predator-red), 0 0 20px var(--predator-red);
    --shadow-predator: 0 10px 40px rgba(0, 255, 65, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body.predator-body {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', monospace, system-ui;
    background: var(--black);
    color: var(--predator-green);
    overflow-x: hidden;
    background-image: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 65, 0.03) 0px,
            transparent 1px,
            transparent 2px,
            rgba(0, 255, 65, 0.03) 3px
        );
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.predator-header {
    position: relative;
    min-height: 100vh;
    background: 
        linear-gradient(180deg, 
            rgba(10, 10, 10, 0.3) 0%, 
            rgba(26, 26, 26, 0.4) 100%
        ),
        url('img/menu.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    border-bottom: 2px solid var(--predator-green);
}

.thermal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 0, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 102, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 255, 65, 0.05) 0%, transparent 50%);
    pointer-events: none;
    animation: thermal-pulse 8s ease-in-out infinite;
    mix-blend-mode: screen;
}

@keyframes thermal-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.predator-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 50px;
    position: relative;
    z-index: 10;
}

.logo h1 {
    font-size: 2.5em;
    font-weight: 900;
    letter-spacing: 8px;
    margin: 0;
}

.glitch {
    color: var(--predator-green);
    text-shadow: var(--glow-green);
    position: relative;
    animation: glitch-animation 3s infinite;
}

@keyframes glitch-animation {
    0%, 90%, 100% {
        transform: translate(0);
    }
    92% {
        transform: translate(-2px, 2px);
    }
    94% {
        transform: translate(2px, -2px);
    }
    96% {
        transform: translate(-2px, -2px);
    }
    98% {
        transform: translate(2px, 2px);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: var(--predator-green);
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 900;
    letter-spacing: 2px;
    padding: 10px 20px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    text-shadow: 0 0 8px var(--predator-green);
}

.nav-links a:hover {
    border: 2px solid var(--predator-green);
    box-shadow: var(--glow-green);
    background: rgba(0, 255, 65, 0.1);
}

.hero-section {
    position: relative;
    z-index: 5;
    text-align: center;
    padding: 150px 20px;
}

.hero-title {
    font-size: 4em;
    font-weight: 900;
    letter-spacing: 10px;
    color: var(--predator-green);
    text-shadow: var(--glow-green);
    margin-bottom: 20px;
    animation: flicker 2s infinite alternate;
}

@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-subtitle {
    font-size: 1.5em;
    color: var(--predator-green);
    letter-spacing: 3px;
    margin-bottom: 40px;
    font-weight: 700;
    text-shadow: 0 0 10px var(--predator-green);
}

.scan-line {
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--predator-green) 50%, 
        transparent 100%);
    animation: scan 3s linear infinite;
    box-shadow: var(--glow-green);
}

@keyframes scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   SECTIONS
   ============================================ */

.content-section {
    padding: 100px 0;
    position: relative;
}

/* Video de fondo para sección de películas */
.movies-section {
    position: relative;
    overflow: hidden;
}

/* Video de fondo para sección de series */
.series-section {
    position: relative;
    overflow: hidden;
}

/* Video de fondo para sección de cronología */
.cronologia-section {
    position: relative;
    overflow: hidden;
}

.section-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(10, 10, 10, 0.4) 0%, 
        rgba(10, 10, 10, 0.5) 100%);
    z-index: 1;
}

.movies-section .container,
.series-section .container,
.cronologia-section .container {
    position: relative;
    z-index: 2;
}

.dark-section {
    background: var(--dark-gray);
    border-top: 1px solid var(--predator-green);
    border-bottom: 1px solid var(--predator-green);
}

#yautja {
    background:
        linear-gradient(180deg,
            rgba(10, 10, 10, 0.65) 0%,
            rgba(10, 10, 10, 0.75) 100%
        ),
        url('img/yautja.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.thermal-text {
    font-size: 3em;
    font-weight: 900;
    letter-spacing: 10px;
    color: var(--predator-green);
    text-shadow: var(--glow-green);
    position: relative;
    display: inline-block;
}

.thermal-text::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--predator-green);
    box-shadow: var(--glow-green);
}

/* ============================================
   MOVIES GRID
   ============================================ */

.movies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    padding: 20px;
}

.movie-card {
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    padding: 30px;
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden;
}

.movie-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 255, 65, 0.1) 50%, 
        transparent 100%);
    transition: left 0.5s ease;
}

.movie-card:hover::before {
    left: 100%;
}

.movie-card:hover {
    border-color: var(--predator-green);
    box-shadow: var(--shadow-predator);
    transform: translateY(-5px);
}

.movie-card.featured {
    border-color: var(--predator-green);
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
}

.movie-card.crossover {
    border-color: var(--predator-orange);
}

.movie-card.upcoming {
    border-color: var(--predator-yellow);
    background: linear-gradient(135deg, var(--dark-gray) 0%, rgba(255, 255, 0, 0.05) 100%);
}

.card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.movie-year {
    font-size: 3em;
    font-weight: 900;
    color: var(--predator-red);
    text-shadow: var(--glow-red);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.movie-card h3 {
    font-size: 1.8em;
    color: var(--predator-green);
    margin-bottom: 10px;
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--predator-green);
}

.movie-director {
    color: var(--predator-yellow);
    font-size: 0.9em;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.movie-desc {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 20px;
    font-family: system-ui, -apple-system, sans-serif;
}

.movie-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.stat {
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--predator-green);
    padding: 8px 15px;
    font-size: 0.85em;
    letter-spacing: 1px;
    color: var(--predator-green);
}

.stat.highlight {
    background: rgba(255, 102, 0, 0.2);
    border-color: var(--predator-orange);
    color: var(--predator-orange);
    font-weight: bold;
}

/* ============================================
   SERIES GRID
   ============================================ */

.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    padding: 20px;
}

.series-card {
    background: var(--medium-gray);
    border: 2px solid var(--predator-green);
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
}

.series-card:hover {
    box-shadow: var(--shadow-predator);
    transform: scale(1.02);
}

.series-status {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 16px;
    font-size: 0.8em;
    font-weight: bold;
    letter-spacing: 2px;
    border: 2px solid;
}

.series-status.upcoming {
    color: var(--predator-green);
    border-color: var(--predator-green);
    background: rgba(0, 255, 65, 0.1);
}

.series-status.development {
    color: var(--predator-orange);
    border-color: var(--predator-orange);
    background: rgba(255, 102, 0, 0.1);
}

.series-card h3 {
    font-size: 2em;
    color: var(--predator-green);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.series-year {
    color: var(--predator-yellow);
    font-size: 1.2em;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.series-desc {
    color: #cccccc;
    line-height: 1.8;
    font-family: system-ui, -apple-system, sans-serif;
}

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, 
        var(--predator-green) 0%, 
        var(--predator-orange) 50%, 
        var(--predator-red) 100%);
    box-shadow: 0 0 20px var(--predator-green);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 30px;
    height: 30px;
    background: var(--predator-green);
    border: 4px solid var(--black);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: var(--glow-green);
    animation: pulse-marker 2s infinite;
}

@keyframes pulse-marker {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.2); }
}

.timeline-content {
    width: 45%;
    background: var(--medium-gray);
    border: 2px solid var(--predator-green);
    padding: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    box-shadow: var(--shadow-predator);
    transform: scale(1.05);
}

.timeline-content h4 {
    font-size: 1.8em;
    color: var(--predator-red);
    text-shadow: var(--glow-red);
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.timeline-content h3 {
    font-size: 1.5em;
    color: var(--predator-green);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.timeline-content p {
    color: #cccccc;
    line-height: 1.6;
    font-family: system-ui, -apple-system, sans-serif;
}

/* ============================================
   YAUTJA INFO
   ============================================ */

.yautja-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    padding: 20px;
}

.info-card {
    background: var(--medium-gray);
    border-left: 4px solid var(--predator-green);
    padding: 30px;
    position: relative;
    transition: all 0.3s ease;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--predator-red);
    transition: height 0.3s ease;
}

.info-card:hover::before {
    height: 100%;
}

.info-card:hover {
    transform: translateX(10px);
    box-shadow: -5px 0 20px rgba(0, 255, 65, 0.3);
}

.info-card h3 {
    font-size: 1.5em;
    color: var(--predator-green);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.info-card p {
    color: #cccccc;
    line-height: 1.8;
    font-family: system-ui, -apple-system, sans-serif;
}

/* ============================================
   FOOTER
   ============================================ */

.predator-footer {
    background: var(--black);
    border-top: 3px solid var(--predator-green);
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-quote {
    font-size: 2em;
    color: var(--predator-green);
    text-shadow: var(--glow-green);
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-style: italic;
}

.footer-credits {
    color: var(--light-gray);
    font-size: 0.9em;
    letter-spacing: 1px;
}

.thermal-grid {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: repeating-linear-gradient(
        0deg,
        var(--predator-green) 0px,
        transparent 1px,
        transparent 10px,
        var(--predator-green) 11px
    );
    opacity: 0.1;
    pointer-events: none;
}

/* ============================================
   BACK TO TOP (PISTOL SHOT EFFECT)
   ============================================ */

.back-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 2px solid var(--predator-green);
    background: radial-gradient(circle at 30% 30%, rgba(0, 255, 65, 0.2), rgba(10, 10, 10, 0.9));
    color: var(--predator-green);
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: var(--glow-green);
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    z-index: 10000;
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.back-to-top.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.back-to-top__icon {
    font-size: 22px;
    font-weight: 900;
    text-shadow: var(--glow-green);
    transform: translateY(-1px);
}

.back-to-top__ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(0, 255, 65, 0.4);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 255, 65, 0.6);
    animation: pulse-ring 2.5s ease-in-out infinite;
}

.back-to-top__spark {
    position: absolute;
    width: 8px;
    height: 28px;
    background: linear-gradient(180deg, rgba(255, 0, 0, 0.9), rgba(255, 102, 0, 0.6), transparent);
    border-radius: 6px;
    top: -6px;
    opacity: 0.6;
    filter: drop-shadow(0 0 8px rgba(255, 0, 0, 0.7));
    animation: spark-idle 1.8s ease-in-out infinite;
}

.back-to-top:hover {
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.9), 0 0 40px rgba(0, 255, 65, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.back-to-top.shoot {
    animation: shot-recoil 0.45s ease-out;
}

.back-to-top.shoot .back-to-top__spark {
    animation: spark-shot 0.45s ease-out;
}

.back-to-top.shoot .back-to-top__ring {
    animation: ring-shot 0.45s ease-out;
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 0.35; }
    50% { transform: scale(1.15); opacity: 0.7; }
}

@keyframes spark-idle {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50% { transform: translateY(-4px); opacity: 0.8; }
}

@keyframes shot-recoil {
    0% { transform: translateY(0) scale(1); }
    30% { transform: translateY(2px) scale(0.97); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes spark-shot {
    0% { transform: translateY(0) scaleY(1); opacity: 0.4; }
    40% { transform: translateY(-18px) scaleY(1.4); opacity: 1; }
    100% { transform: translateY(-28px) scaleY(0.2); opacity: 0; }
}

@keyframes ring-shot {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3em;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .movies-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px;
    }
}

@media (max-width: 768px) {
    .predator-nav {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .logo h1 {
        font-size: 2em;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .hero-title {
        font-size: 2em;
        letter-spacing: 5px;
    }
    
    .hero-subtitle {
        font-size: 1.2em;
    }
    
    .thermal-text {
        font-size: 2em;
    }
    
    .movies-grid,
    .series-grid,
    .yautja-info {
        grid-template-columns: 1fr;
    }
}