:root {
    --primary: #4a7c59;
    --secondary: #3a5a40;
    --light: #dad7cd;
    --dark: #344e41;
    --whatsapp: #25D366;
    --facebook: #3b5998;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 1s ease-out;
}

.splash-content {
    text-align: center;
    color: white;
}

.splash-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 20px auto;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

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

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.5s ease-in;
}

.container.show {
    opacity: 1;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.radio-player {
    margin: 30px 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.radio-iframe {
    width: 100%;
    height: 150px;
    border: none;
}

.social-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 15px;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.social-btn svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

.whatsapp {
    background-color: var(--whatsapp);
}

.facebook {
    background-color: var(--facebook);
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

footer {
    text-align: center;
    padding: 20px 0;
    color: var(--dark);
    font-size: 0.9rem;
}

.install-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 1000;
    display: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.install-btn:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

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

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    
    .social-buttons {
        grid-template-columns: 1fr;
    }
    
    .radio-iframe {
        height: 120px;
    }
}