@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --black: #0a0a0a;
    --black-light: #141414;
    --black-card: #1a1a1a;
    --white: #ffffff;
    --gray-100: #f0f0f0;
    --gray-300: #a0a0a0;
    --gray-500: #666666;
    --gray-700: #333333;
    --accent: #00ff88;
    --accent-dim: #00cc6a;
    --red: #ff3366;
    --gradient: linear-gradient(135deg, #00ff88 0%, #00ccff 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    font-weight: 400;
    min-height: 100vh;
}

/* ========== HEADER ========== */
.header {
    background: linear-gradient(180deg, var(--black) 0%, transparent 100%);
    padding: 30px 40px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8em;
    letter-spacing: 6px;
    font-weight: 400;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header p {
    font-size: 0.75em;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray-500);
}

/* ========== HERO STATS ========== */
.hero {
    padding: 140px 40px 60px;
    background: radial-gradient(ellipse at top, var(--black-light) 0%, var(--black) 70%);
    text-align: center;
    border-bottom: 1px solid var(--gray-700);
}

.hero h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4em;
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.hero .subtitle {
    color: var(--gray-500);
    font-size: 0.9em;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.5em;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.7em;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-top: 5px;
}

/* ========== CONTAINER ========== */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 40px;
}

/* ========== GRID DE LECCIONES ========== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 25px;
}

.card {
    background: var(--black-card);
    border: 1px solid var(--gray-700);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.15);
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
}

.card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.card:hover img {
    transform: scale(1.08);
}

.card-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.7em;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.card-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.card-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 20px solid var(--black);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.card:hover .card-play {
    opacity: 1;
}

.card-body {
    padding: 25px;
}

.card-title {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
    line-height: 1.4;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.75em;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--accent);
    padding: 12px 0;
    text-decoration: none;
    font-size: 0.8em;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.card-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.card-link:hover::after {
    transform: translateX(5px);
}

/* ========== PÁGINA DE LECCIÓN ========== */
.lesson-page {
    padding-top: 100px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-300);
    padding: 15px 0;
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 30px;
    transition: color 0.3s;
}

.back-btn:hover {
    color: var(--accent);
}

.lesson {
    max-width: 1000px;
    margin: 0 auto;
}

.lesson > h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.5em;
    letter-spacing: 2px;
    margin-bottom: 40px;
    line-height: 1.1;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== VIDEOS ========== */
.videos-section {
    margin: 50px 0;
    padding: 40px;
    background: var(--black-card);
    border-radius: 20px;
    border: 1px solid var(--gray-700);
}

.videos-section h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8em;
    letter-spacing: 4px;
    margin-bottom: 30px;
    color: var(--accent);
}

.video-local, .wp-block-embed {
    margin: 25px 0;
    border-radius: 16px;
    overflow: hidden;
    background: var(--black);
    border: 1px solid var(--gray-700);
}

.video-local video,
.video-embed {
    width: 100%;
    max-height: 600px;
    display: block;
    background: var(--black);
}

.wp-block-embed__wrapper {
    background: var(--black);
}

.wp-element-caption,
.video-caption,
figcaption {
    padding: 20px;
    font-size: 0.9em;
    color: var(--gray-300);
    line-height: 1.7;
    background: var(--black-light);
    border-top: 1px solid var(--gray-700);
}

/* ========== CONTENIDO ========== */
.content-html {
    font-size: 1.05em;
    line-height: 1.9;
    color: var(--gray-100);
}

.content-html h1,
.content-html h2,
.content-html h3 {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 2px;
    margin: 50px 0 25px;
    color: var(--white);
}

.content-html h1 { font-size: 2.5em; }
.content-html h2 { font-size: 2em; }
.content-html h3 { font-size: 1.5em; }

.content-html p {
    margin-bottom: 20px;
}

.content-html strong {
    color: var(--accent);
    font-weight: 600;
}

.content-html ul,
.content-html ol {
    margin: 25px 0;
    padding-left: 25px;
}

.content-html li {
    margin-bottom: 12px;
    position: relative;
}

.content-html ul li::marker {
    color: var(--accent);
}

.content-html a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.content-html a:hover {
    border-bottom-color: var(--accent);
}

/* Imágenes */
.content-html img,
.lesson-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 30px 0;
    border: 1px solid var(--gray-700);
}

.content-html figure {
    margin: 40px 0;
}

/* ========== TAGS/BADGES ========== */
.content-html ul:first-of-type {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
    list-style: none;
    margin-bottom: 30px;
}

.content-html ul:first-of-type li {
    background: var(--black-card);
    border: 1px solid var(--gray-700);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 500;
    color: var(--gray-300);
}

/* ========== FOOTER ========== */
footer {
    background: var(--black-light);
    border-top: 1px solid var(--gray-700);
    color: var(--gray-500);
    text-align: center;
    padding: 50px 40px;
    font-size: 0.8em;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 80px;
}

/* ========== NO THUMBNAIL ========== */
.no-thumb {
    height: 240px;
    background: linear-gradient(135deg, var(--black-card) 0%, var(--black) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3em;
    letter-spacing: 3px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .header {
        padding: 20px;
    }

    .header h1 {
        font-size: 1.4em;
    }

    .hero {
        padding: 120px 20px 40px;
    }

    .hero h2 {
        font-size: 2.5em;
    }

    .stats {
        gap: 40px;
    }

    .stat-num {
        font-size: 2.5em;
    }

    .container {
        padding: 20px;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .lesson > h1 {
        font-size: 2.5em;
    }

    .videos-section {
        padding: 25px;
        margin: 30px -20px;
        border-radius: 0;
    }
}

/* ========== ANIMATIONS ========== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.loading {
    animation: pulse 1.5s infinite;
}

/* Hide empty divs */
div:empty {
    display: none;
}

/* Fix nested structures */
.wp-block-embed-vimeo {
    margin: 25px 0;
}