/* ============================================
   PUERTO STEREO TURBO - REPRODUCTOR FUTURISTA
   ============================================ */

/* Variables CSS */
:root {
    /* Colores principales */
    --primary-blue: #1a4a7a;
    --secondary-blue: #2d6aa5;
    --accent-blue: #4285f4;
    --dark-blue: #0f2a4a;
    --light-blue: #e8f4ff;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #1a4a7a, #2d6aa5);
    --gradient-secondary: linear-gradient(135deg, #2d6aa5, #4285f4);
    --gradient-dark: linear-gradient(135deg, #0f2a4a, #1a4a7a);
    --gradient-glow: linear-gradient(135deg, rgba(66, 133, 244, 0.3), rgba(29, 106, 165, 0.3));
    
    /* Colores de estado */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --live-color: #ff0040;
    
    /* Tipografía */
    --font-primary: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(66, 133, 244, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(66, 133, 244, 0.5);
    
    /* Transiciones */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-secondary);
    background: var(--gradient-dark);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ============================================
   LOADER ELEGANTE
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(10px);
}

.loader-content {
    text-align: center;
    position: relative;
}

.radio-waves {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-lg);
}

.wave {
    position: absolute;
    border: 2px solid var(--accent-blue);
    border-radius: var(--radius-full);
    opacity: 0;
    animation: radio-wave 2s infinite;
}

.wave:nth-child(1) { animation-delay: 0s; }
.wave:nth-child(2) { animation-delay: 0.4s; }
.wave:nth-child(3) { animation-delay: 0.8s; }
.wave:nth-child(4) { animation-delay: 1.2s; }
.wave:nth-child(5) { animation-delay: 1.6s; }

@keyframes radio-wave {
    0% {
        width: 0;
        height: 0;
        top: 50%;
        left: 50%;
        opacity: 1;
        transform: translate(-50%, -50%);
    }
    100% {
        width: 120px;
        height: 120px;
        top: 0;
        left: 0;
        opacity: 0;
    }
}

.loader-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    animation: pulse 2s infinite;
}

.loader-logo img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.loader-text {
    margin-top: var(--space-xl);
}

.loader-text span {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--light-blue);
    margin-bottom: var(--space-md);
    display: block;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: var(--space-md) auto 0;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease-out;
}

/* ============================================
   TOP BAR CON REDES SOCIALES
   ============================================ */
.top-bar {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.top-bar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.social-top {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-lg);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.social-icons {
    display: flex;
    gap: var(--space-xs);
}

.social-top-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.social-top-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-full);
    opacity: 0.8;
    transition: var(--transition-normal);
}

.social-top-btn.facebook::before { background: #1877f2; }
.social-top-btn.instagram::before { background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af); }
.social-top-btn.twitter::before { background: #1da1f2; }

.social-top-btn:hover {
    transform: translateY(-2px) scale(1.1);
    box-shadow: var(--shadow-md);
}

/* ============================================
   HEADER CON LOGO CENTRADO
   ============================================ */
.header-logo {
    padding: calc(60px + var(--space-2xl)) 0 var(--space-2xl);
    background: linear-gradient(135deg, rgba(26, 74, 122, 0.9), rgba(45, 106, 165, 0.8)), url('../../images/header.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><circle cx="30" cy="30" r="1"/></g></svg>');
    opacity: 0.5;
}

.logo-center-section {
    position: relative;
    z-index: 2;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.frequency-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
}

.wave-circle {
    position: absolute;
    border: 2px solid var(--accent-blue);
    border-radius: var(--radius-full);
    opacity: 0;
    animation: frequency-pulse 3s infinite;
}

.wave-circle:nth-child(1) {
    width: 120px;
    height: 120px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 0s;
}

.wave-circle:nth-child(2) {
    width: 170px;
    height: 170px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 0.7s;
}

.wave-circle:nth-child(3) {
    width: 220px;
    height: 220px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 1.4s;
}

.wave-circle:nth-child(4) {
    width: 270px;
    height: 270px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 2.1s;
}

@keyframes frequency-pulse {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.5);
    }
    70% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.main-logo {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow-strong);
    position: relative;
    z-index: 10;
    animation: logo-float 4s ease-in-out infinite;
}

.main-logo-large {
    width: 220px;
    height: 220px;
    transform: scale(1);
    transition: all 0.3s ease;
}

.main-logo-large:hover {
    transform: scale(1.05);
}

@keyframes logo-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.station-title h1 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, #ffffff, var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.station-title p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xs);
}

.station-title .frequency {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-weight: 600;
    color: var(--accent-blue);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   REPRODUCTOR CON FRAME ORIGINAL
   ============================================ */
.player-section {
    padding: var(--space-2xl) 0;
    background: rgba(255, 255, 255, 0.02);
}

.player-frame-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.player-frame-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(66, 133, 244, 0.05), transparent);
    animation: rotate-bg 30s linear infinite;
    z-index: -1;
}

.player-frame-container h2 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, #ffffff, var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.frame-wrapper {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    box-shadow: inset 0 4px 6px rgba(0, 0, 0, 0.3);
}

.frame-wrapper iframe {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.frame-wrapper:hover iframe {
    box-shadow: var(--shadow-glow);
}

/* ============================================
   SECCIÓN DE APLICACIONES MÓVILES
   ============================================ */
.mobile-apps-section {
    padding: var(--space-2xl) 0;
    text-align: center;
    background: var(--gradient-dark);
}

.mobile-apps-section h3 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--light-blue);
}

.mobile-apps-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
}

.app-download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.app-download-btn {
    display: inline-block;
    transition: var(--transition-normal);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.app-download-btn:hover {
    transform: translateY(-8px) scale(1.05);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.4));
}

.app-download-btn img {
    height: 60px;
    width: auto;
}

/* ============================================
   PLATAFORMAS ADICIONALES
   ============================================ */
.additional-platforms {
    padding: var(--space-2xl) 0;
    background: rgba(255, 255, 255, 0.02);
}

.additional-platforms h3 {
    text-align: center;
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    color: var(--light-blue);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.platform-card {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    text-decoration: none;
    display: block;
}

.platform-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.platform-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 74, 122, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
    color: white;
    text-align: center;
}

.platform-overlay i {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.platform-overlay span {
    font-weight: 600;
    font-size: 1.1rem;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.platform-card:hover .platform-overlay {
    opacity: 1;
}

.platform-card:hover img {
    transform: scale(1.1);
}

/* ============================================
   BOTONES FLOTANTES
   ============================================ */
.floating-buttons {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 999;
    pointer-events: none;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    left: 50%;
    transform: translate(-50%, -50%);
}

.floating-btn {
    position: absolute;
    background: var(--gradient-secondary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: 30px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
    pointer-events: auto;
    font-weight: 600;
    min-width: 120px;
    justify-content: center;
}

.whatsapp-btn {
    right: 0px;
    top: -30px;
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.whatsapp-btn:hover {
    right: 20px;
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-strong);
}

.portfolio-btn {
    right: 0px;
    top: 30px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.portfolio-btn:hover {
    right: 20px;
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-strong);
}

.floating-btn i {
    font-size: 1.2rem;
}

.floating-btn span {
    font-size: 0.9rem;
    white-space: nowrap;
}

/* ============================================
   FOOTER SIMPLIFICADO
   ============================================ */
.player-section {
    padding: var(--space-2xl) 0;
}

.player-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.player-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(66, 133, 244, 0.1), transparent);
    animation: rotate-bg 20s linear infinite;
    z-index: -1;
}

@keyframes rotate-bg {
    to { transform: rotate(360deg); }
}

.player-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.album-art {
    position: relative;
    width: 200px;
    height: 200px;
}

.album-art img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.vinyl-effect {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--accent-blue);
    border-radius: var(--radius-full);
    animation: vinyl-spin 10s linear infinite;
    opacity: 0.7;
}

.pulse-ring {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid var(--accent-blue);
    border-radius: var(--radius-full);
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes vinyl-spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.visualizer {
    display: flex;
    align-items: end;
    gap: 4px;
    height: 80px;
}

.bar {
    width: 8px;
    background: var(--gradient-secondary);
    border-radius: 4px;
    animation: visualizer-bar 1.5s ease-in-out infinite;
    animation-delay: var(--delay);
    min-height: 10px;
}

@keyframes visualizer-bar {
    0%, 100% { height: 10px; }
    50% { height: 80px; }
}

.player-info {
    text-align: center;
}

.now-playing {
    margin-bottom: var(--space-xl);
}

.track-info h2 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, #ffffff, var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.track-info p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255, 0, 64, 0.2);
    border: 1px solid var(--live-color);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    margin-top: var(--space-sm);
    backdrop-filter: blur(10px);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--live-color);
    border-radius: var(--radius-full);
    animation: live-pulse 1.5s infinite;
}

@keyframes live-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.live-indicator span {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--live-color);
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
}

.control-btn {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--gradient-secondary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 2rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(-45deg);
    transition: var(--transition-normal);
    opacity: 0;
}

.control-btn:hover::before {
    animation: button-shine 0.5s ease-out;
}

@keyframes button-shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(-45deg); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(100%) translateY(100%) rotate(-45deg); opacity: 0; }
}

.control-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-glow-strong);
}

.control-btn:active {
    transform: translateY(-2px) scale(1.02);
}

.control-btn .fa-pause {
    display: none;
}

.control-btn.playing .fa-play {
    display: none;
}

.control-btn.playing .fa-pause {
    display: inline-block;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.volume-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: var(--space-sm);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.volume-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.volume-slider {
    width: 120px;
}

.volume-slider input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.2);
    outline: none;
    appearance: none;
    cursor: pointer;
}

.volume-slider input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--accent-blue);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

.volume-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   SECCIÓN DE PLATAFORMAS
   ============================================ */
.platforms-section {
    padding: var(--space-2xl) 0;
    background: rgba(255, 255, 255, 0.02);
}

.platforms-section h3 {
    text-align: center;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    color: var(--light-blue);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.platform-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.08);
}

.platform-card img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.download-apps {
    text-align: center;
}

.download-apps h3 {
    margin-bottom: var(--space-lg);
}

.app-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.app-btn {
    display: inline-block;
    transition: var(--transition-normal);
}

.app-btn:hover {
    transform: translateY(-4px) scale(1.05);
}

.app-btn img {
    height: 60px;
    width: auto;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-blue);
    padding: var(--space-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-info a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-info a:hover {
    color: var(--light-blue);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .top-bar {
        padding: var(--space-xs) 0;
    }
    
    .social-top {
        flex-direction: column;
        gap: var(--space-xs);
        font-size: 0.8rem;
    }
    
    .header-logo {
        padding: calc(80px + var(--space-lg)) 0 var(--space-lg);
    }
    
    .main-logo {
        width: 100px;
        height: 100px;
    }
    
    .frequency-waves {
        width: 160px;
        height: 160px;
    }
    
    .station-title h1 {
        font-size: 2rem;
    }
    
    .station-title p {
        font-size: 1rem;
    }
    
    .player-frame-container {
        padding: var(--space-lg);
    }
    
    .player-frame-container h2 {
        font-size: 1.5rem;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .app-download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .floating-btn {
        position: static;
        margin: var(--space-sm) 0;
        transform: none !important;
    }
    
    .floating-buttons {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        top: auto;
        display: flex;
        gap: var(--space-sm);
        z-index: 1000;
    }
    
    .whatsapp-btn,
    .portfolio-btn {
        left: auto;
        right: auto;
        position: static;
    }
    
    .whatsapp-btn:hover,
    .portfolio-btn:hover {
        left: auto;
        right: auto;
        transform: scale(1.05);
    }
}

@media (max-width: 480px) {
    .header-logo {
        padding: calc(70px + var(--space-md)) 0 var(--space-md);
    }
    
    .main-logo {
        width: 80px;
        height: 80px;
    }
    
    .frequency-waves {
        width: 120px;
        height: 120px;
    }
    
    .station-title h1 {
        font-size: 1.6rem;
    }
    
    .player-frame-container {
        padding: var(--space-md);
    }
    
    .mobile-apps-section h3 {
        font-size: 1.5rem;
    }
    
    .additional-platforms h3 {
        font-size: 1.4rem;
    }
    
    .floating-btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.8rem;
        min-width: 100px;
    }
    
    .floating-btn i {
        font-size: 1rem;
    }
    
    .floating-btn span {
        font-size: 0.8rem;
    }
}

/* ============================================
   ANIMACIONES ADICIONALES
   ============================================ */
@keyframes rotate-bg {
    to { transform: rotate(360deg); }
}

/* Estados especiales */
.main-content {
    padding-top: 50px;
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

.main-content.loaded {
    opacity: 1;
}

.floating-btn {
    opacity: 0;
    transition: opacity 0.5s ease-out, transform 0.3s ease-out, left 0.3s ease-out, right 0.3s ease-out;
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    .frequency-waves .wave-circle,
    .main-logo,
    .player-frame-container::before {
        animation: none;
    }
    
    .floating-btn:hover {
        transform: none;
    }
}

/* Focus states para accesibilidad */
.social-top-btn:focus,
.app-download-btn:focus,
.platform-card:focus,
.floating-btn:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Mejorar contraste en modo alto contraste */
@media (prefers-contrast: high) {
    .platform-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .floating-btn {
        border: 2px solid white;
    }
}

/* Scrollbar mejorado para las nuevas secciones */
.platform-card::-webkit-scrollbar,
.frame-wrapper::-webkit-scrollbar {
    width: 6px;
}

.platform-card::-webkit-scrollbar-track,
.frame-wrapper::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.platform-card::-webkit-scrollbar-thumb,
.frame-wrapper::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 3px;
}

/* Efectos especiales para interacciones */
.platform-card,
.app-download-btn {
    position: relative;
    overflow: hidden;
}

.platform-card::after,
.app-download-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(-45deg);
    transition: var(--transition-normal);
    opacity: 0;
    pointer-events: none;
}

.platform-card:hover::after,
.app-download-btn:hover::after {
    animation: shine-effect 0.6s ease-out;
}

@keyframes shine-effect {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(-45deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(-45deg);
        opacity: 0;
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .logo-section {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .player-visual {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .album-art {
        width: 150px;
        height: 150px;
    }
    
    .visualizer {
        height: 60px;
        justify-content: center;
    }
    
    .player-controls {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .volume-control {
        justify-content: center;
    }
    
    .app-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .social-media {
        flex-wrap: wrap;
    }
    
    .track-info h2 {
        font-size: 1.5rem;
    }
    
    .station-info h1 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .player-container {
        padding: var(--space-lg);
    }
    
    .control-btn {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .album-art {
        width: 120px;
        height: 120px;
    }
    
    .header-actions {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .qr-code {
        width: 60px;
        height: 60px;
    }
}

/* ============================================
   UTILIDADES Y ANIMACIONES
   ============================================ */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.fade-out {
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estados especiales */
.playing .vinyl-effect {
    animation-play-state: running;
}

.playing .visualizer .bar {
    animation-play-state: running;
}

.paused .vinyl-effect {
    animation-play-state: paused;
}

.paused .visualizer .bar {
    animation-play-state: paused;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 4px;
    transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-blue);
}

/* Estados de carga */
.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--accent-blue);
    border-radius: var(--radius-full);
    animation: loading-spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes loading-spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Efectos de glassmorphism mejorados */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Animaciones de entrada suaves */
.main-content {
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

.main-content.loaded {
    opacity: 1;
}

/* Preload de imágenes */
.preload {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
}