/* --- Sistema de Diseño --- */
:root {
    --bg-primary: #0A0E17;
    --bg-secondary: #121824;
    --accent: #F0B90B; /* Binance Yellow */
    --accent-glow: rgba(240, 185, 11, 0.15);
    --accent-gradient: linear-gradient(135deg, #F0B90B 0%, #FF9900 100%);
    --text-primary: #F3F4F6;
    --text-muted: #9CA3AF;
    --text-dark: #0A0E17;
    --border-color: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(18, 24, 36, 0.65);
    --card-border: rgba(255, 255, 255, 0.06);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* --- Reseteo e Inicialización --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* --- Fondos con Brillo Decorativo (Glow Effects) --- */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.3;
}

.bg-glow-1 {
    top: -200px;
    right: -100px;
    background: var(--accent-gradient);
}

.bg-glow-2 {
    top: 50%;
    left: -200px;
    background: radial-gradient(circle, var(--accent) 0%, rgba(0,0,0,0) 70%);
}

/* --- Contenedor --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-dark);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240, 185, 11, 0.3);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* --- Header y Navegación --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(10, 14, 23, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.header-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    left: 0;
    transition: var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link.active {
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
}

/* --- Hero Section --- */
.hero-section {
    padding: 160px 0 80px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: rgba(240, 185, 11, 0.1);
    border: 1px solid rgba(240, 185, 11, 0.2);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero-title span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.icon-instagram {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: rgba(240, 185, 11, 0.2);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Sección Quién Soy --- */
.about-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.avatar-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    z-index: 2;
    position: relative;
    box-shadow: var(--shadow-md);
}

.section-tag {
    display: inline-block;
    color: var(--accent);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
    text-align: justify;
}

.about-quote {
    border-left: 3px solid var(--accent);
    padding-left: 20px;
    margin-top: 32px;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.about-quote cite {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: normal;
    margin-top: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
}

/* --- Sección Videos --- */
.content-section {
    padding: 100px 0;
}

.content-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 48px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 12px;
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: rgba(240, 185, 11, 0.05);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 10px 20px;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent);
    color: var(--text-dark);
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(240, 185, 11, 0.2);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    justify-content: center;
    gap: 32px;
}

.video-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
}

.video-card:hover {
    transform: translateY(-8px);
    border-color: rgba(240, 185, 11, 0.2);
    box-shadow: var(--shadow-md);
}

/* Video Destacado (Binance) toma más importancia en el layout */
.video-card.featured {
    grid-column: span 1;
    border-color: rgba(240, 185, 11, 0.3);
}

.video-thumbnail-wrapper {
    position: relative;
    padding-top: 130%; /* Proporción 9:16 vertical tipo Reel de Instagram */
    overflow: hidden;
    background-color: #000;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 14, 23, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    transition: var(--transition-fast);
}

.video-card:hover .video-overlay {
    background-color: rgba(10, 14, 23, 0.2);
}

.play-btn {
    width: 64px;
    height: 64px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    box-shadow: 0 4px 12px rgba(240, 185, 11, 0.4);
    transition: var(--transition-fast);
    transform: scale(0.9);
}

.play-btn svg {
    width: 28px;
    height: 28px;
    margin-left: 4px;
}

.video-card:hover .play-btn {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(240, 185, 11, 0.6);
}

/* Miniaturas simuladas de alta calidad */
.custom-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    z-index: 2;
}

.video-thumbnail-link {
    display: block;
    width: 100%;
    color: inherit;
    text-decoration: none;
}

.binance-thumb {
    background-image: linear-gradient(to bottom, rgba(10, 14, 23, 0.05), rgba(10, 14, 23, 0.35)), url('assets/binance_aid_cover.jpg');
    background-size: cover;
    background-position: center;
    border-bottom: 4px solid var(--accent);
}

.placeholder-thumb {
    background-image: linear-gradient(to bottom, rgba(10, 14, 23, 0.1), rgba(10, 14, 23, 0.35)), url('assets/proximamente.jpg');
    background-size: cover;
    background-position: center;
    border-bottom: 4px solid var(--accent);
}

.thumb-badge {
    align-self: flex-start;
    padding: 4px 10px;
    background-color: var(--accent);
    color: var(--text-dark);
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.thumb-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    opacity: 0.9;
}

.binance-thumb .thumb-logo { color: var(--accent); }
.bvc-thumb .thumb-logo { color: #3B82F6; }
.trading-thumb .thumb-logo { color: #10B981; }

.thumb-text h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 4px;
}

.thumb-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.video-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.video-category {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.video-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

.video-desc {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.video-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.video-link:hover {
    color: var(--accent);
}

.icon-arrow {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.video-link:hover .icon-arrow {
    transform: translateX(4px);
}

/* --- Sección Comunidad & Formulario --- */
.community-section {
    padding: 100px 0;
}

.community-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 64px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.community-box::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(240, 185, 11, 0.08) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.community-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.community-text {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.subscribe-form .input-group {
    display: flex;
    gap: 12px;
}

.subscribe-form input {
    flex-grow: 1;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.subscribe-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-message {
    display: block;
    margin-top: 12px;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-message.success { color: #10B981; }
.form-message.error { color: #EF4444; }

.community-social h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.community-social p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.btn-social {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-social svg {
    width: 20px;
    height: 20px;
}

.btn-social:hover {
    background-color: var(--accent);
    color: var(--text-dark);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
    background-color: #05070B;
    border-top: 1px solid var(--border-color);
    padding: 64px 0 40px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
}

.footer-brand {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
}

.footer-brand span { color: var(--accent); }

.footer-copy {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-disclaimer {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    max-width: 750px;
    line-height: 1.5;
}

/* --- Responsive / Media Queries --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: row;
        justify-content: center;
        width: 100%;
        gap: 16px;
    }
    
    .stat-card {
        flex: 1;
        padding: 16px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-content {
        text-align: center;
    }
    
    .about-quote {
        text-align: left;
    }

    .community-box {
        grid-template-columns: 1fr;
        padding: 40px;
        gap: 40px;
        text-align: center;
    }
    
    .subscribe-form .input-group {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        padding: 48px 24px;
        transition: var(--transition-normal);
        z-index: 99;
        overflow-y: auto;
    }

    .nav-menu.open {
        left: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-actions {
        margin-top: 24px;
        width: 100%;
        display: flex;
        justify-content: center;
    }

    /* Hamburger animation when active */
    .nav-toggle.open .hamburger {
        background-color: transparent;
    }
    
    .nav-toggle.open .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .nav-toggle.open .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
    }
    
    .subscribe-form .input-group {
        flex-direction: column;
        gap: 12px;
    }
}

/* --- Estilos Adicionales de Telegram --- */
.icon-telegram {
    width: 20px;
    height: 20px;
}

.btn-secondary.btn-telegram:hover {
    border-color: #0088cc;
    color: #0088cc;
}

.community-social-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-social.btn-social-telegram:hover {
    background-color: #0088cc;
    color: #ffffff;
    border-color: #0088cc;
}