/* --- Sistem Rəng Dəyişənləri (Logo Analizi: "techpoint-color-logo-02.png") --- */
:root {
    --logo-blue: #0052FF;       /* Logodakı Parlaq Elektrik Mavisi */
    --logo-yellow: #FFC700;     /* Logodakı Parlaq Qızılı Sarı */
    --logo-blue-hover: #003ECC;
    --logo-yellow-light: #FFF9E6;
    
    --bg-base: #F4F7FC;         /* Parlaq və təmiz işıqlı korporativ fon */
    --bg-surface: #FFFFFF;      
    --bg-card: #F8FAFC;         
    --border-color: rgba(0, 82, 255, 0.08);
    
    --text-primary: #0F172A;    
    --text-secondary: #475569;  
    --font-family: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 10px 30px rgba(0, 82, 255, 0.04);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 100px;
}

/* --- Düymələr --- */
.btn-primary {
    background-color: var(--logo-blue);
    color: #FFFFFF;
    font-weight: 600;
    border: none;
    padding: 12px 26px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background-color: var(--logo-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 82, 255, 0.25);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--logo-blue);
    font-weight: 600;
    border: 2px solid var(--logo-blue);
    padding: 10px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background-color: rgba(0, 82, 255, 0.05);
    transform: translateY(-1px);
}

.btn-lg { padding: 14px 36px; font-size: 1.05rem; }
.w-100 { width: 100%; }

/* --- Naviqasiya Paneli --- */
.navbar {
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 82, 255, 0.06);
}

.nav-container {
    max-width: 1400px; margin: 0 auto; padding: 16px 32px;
    display: flex; justify-content: space-between; align-items: center;
}

.logo {
    display: flex; align-items: center; gap: 12px;
    color: var(--text-primary); text-decoration: none;
    font-weight: 800; font-size: 1.4rem; letter-spacing: -0.5px;
}

.logo-accent { color: var(--logo-blue); }
.logo-icon { display: flex; align-items: center; gap: 4px; }
.logo-icon span { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.logo-icon .dot-b { background-color: var(--logo-blue); }
.logo-icon .dot-y { background-color: var(--logo-yellow); }

.nav-menu { display: flex; gap: 32px; }
.nav-link { color: var(--text-secondary); text-decoration: none; font-weight: 600; font-size: 0.95rem; transition: var(--transition-smooth); }
.nav-link:hover, .nav-link.active { color: var(--logo-blue); }
.nav-actions { display: flex; gap: 12px; }

/* --- Dinamik Karusel (Hero Slider) Memarlığı --- */
.hero-slider-section {
    position: relative;
    height: 75vh;
    min-height: 550px;
    width: 100%;
    margin-top: 75px;
    overflow: hidden;
    background-color: var(--bg-base);
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex; align-items: center;
    padding: 0 10%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.slide-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
    transition: transform 8s ease;
}

.slide.active .slide-bg {
    transform: scale(1.03);
}

.slide-content {
    max-width: 650px;
    z-index: 10;
}

.badge {
    background: var(--logo-yellow-light);
    border: 1px solid rgba(255, 199, 0, 0.4);
    color: #B38600;
    padding: 6px 16px; border-radius: 6px;
    font-size: 0.85rem; font-weight: 700;
    text-transform: uppercase; display: inline-block; margin-bottom: 20px;
}

.slide-content h1 {
    font-size: 3.2rem; font-weight: 800; line-height: 1.2;
    color: var(--text-primary); letter-spacing: -1px; margin-bottom: 20px;
}

.slide-content p {
    font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 32px;
}

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

/* Slayder İdarəetmə Oxları */
.slider-arrow {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    width: 50px; height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 82, 255, 0.1);
    color: var(--logo-blue);
    border-radius: 50%; cursor: pointer;
    display: flex; justify-content: center; align-items: center;
    font-size: 1.2rem; z-index: 10;
    transition: var(--transition-smooth);
}
.slider-arrow:hover {
    background: var(--logo-blue); color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.2);
}
.slider-arrow.prev { left: 30px; }
.slider-arrow.next { right: 30px; }

/* Slayder Alt Nöqtələri (Dots) */
.slider-dots {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 10;
}
.dot {
    width: 10px; height: 10px; background: rgba(0, 82, 255, 0.2);
    border-radius: 50%; cursor: pointer; transition: var(--transition-smooth);
}
.dot.active {
    background: var(--logo-blue); width: 24px; border-radius: 5px;
}

/* --- Stansiyalar Grid Quruluşu --- */
.discover-section { max-width: 1400px; margin: 0 auto; padding: 60px 32px; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; flex-wrap: wrap; gap: 24px; }
.section-header h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; }
.section-header p { color: var(--text-secondary); }

.filter-container { display: flex; gap: 8px; background: rgba(0, 82, 255, 0.04); padding: 6px; border-radius: 10px; }
.filter-btn { background: transparent; border: none; color: var(--text-secondary); padding: 10px 20px; border-radius: 6px; font-weight: 600; cursor: pointer; transition: var(--transition-smooth); }
.filter-btn:hover { color: var(--logo-blue); }
.filter-btn.active { background-color: var(--bg-surface); color: var(--logo-blue); box-shadow: 0 4px 12px rgba(0, 82, 255, 0.08); }

.stations-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 32px; }
.station-card { background-color: var(--bg-surface); border: 1px solid rgba(0, 82, 255, 0.05); border-radius: 12px; padding: 16px; cursor: pointer; transition: var(--transition-smooth); box-shadow: var(--shadow-premium); }
.station-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0, 82, 255, 0.08); border-color: rgba(0, 82, 255, 0.15); }

.card-image-wrapper { position: relative; width: 100%; padding-top: 100%; border-radius: 8px; overflow: hidden; margin-bottom: 16px; }
.card-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; transition: transform 0.5s ease; }
.station-card:hover .card-img { transform: scale(1.05); }

.card-overlay-icon { position: absolute; bottom: 16px; right: 16px; width: 48px; height: 48px; background-color: var(--logo-blue); border-radius: 50%; display: flex; justify-content: center; align-items: center; box-shadow: 0 6px 12px rgba(0, 82, 255, 0.2); opacity: 0; transform: translateY(6px); transition: var(--transition-smooth); }
.card-overlay-icon i { color: #FFFFFF; font-size: 1.1rem; margin-left: 2px; }
.station-card:hover .card-overlay-icon { opacity: 1; transform: translateY(0); }

.station-card.playing { border-color: var(--logo-blue); background-color: var(--logo-yellow-light); }
.station-card.playing .card-overlay-icon { opacity: 1; transform: translateY(0); background-color: var(--logo-yellow); }
.station-card.playing .card-overlay-icon i { color: var(--text-primary); }

.live-tag { position: absolute; top: 12px; left: 12px; background: rgba(255, 255, 255, 0.95); color: var(--text-primary); padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.pulse-dot { width: 6px; height: 6px; background-color: #FF3B30; border-radius: 50%; animation: radial-pulse 1.4s infinite; }

.card-details h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.card-details p { color: var(--text-secondary); font-size: 0.9rem; height: 40px; margin-bottom: 12px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.station-genre { display: inline-block; background: rgba(0, 82, 255, 0.05); padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; color: var(--logo-blue); }

/* --- Premium Banner --- */
.premium-section { max-width: 1400px; margin: 40px auto 60px auto; padding: 0 32px; }
.premium-card-container { background: linear-gradient(135deg, #0045D9 0%, #002277 100%); border-radius: 16px; padding: 60px 40px; text-align: center; color: #FFFFFF; box-shadow: 0 16px 40px rgba(0, 82, 255, 0.15); }
.premium-badge { color: var(--logo-yellow); font-size: 0.85rem; font-weight: 800; letter-spacing: 1.5px; margin-bottom: 16px; }
.premium-card-container h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; }
.premium-card-container p { color: rgba(255, 255, 255, 0.8); max-width: 740px; margin: 0 auto 32px auto; font-size: 1.1rem; }
.premium-features { display: flex; justify-content: center; gap: 32px; margin-bottom: 40px; flex-wrap: wrap; }
.feature-item { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.feature-item i { color: var(--logo-yellow); }
.premium-card-container .btn-primary { background-color: var(--logo-yellow); color: var(--text-primary); }
.premium-card-container .btn-primary:hover { background-color: #E6B400; box-shadow: 0 6px 20px rgba(255, 199, 0, 0.3); }

/* --- Aşağıda Sabitlənən Pleyer --- */
.sticky-player { position: fixed; bottom: 0; left: 0; width: 100%; background-color: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-top: 1px solid rgba(0, 82, 255, 0.08); padding: 16px 32px; z-index: 999; transform: translateY(100%); transition: transform 0.35s ease; }
.sticky-player.visible { transform: translateY(0); }
.player-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.player-track-info { display: flex; align-items: center; gap: 16px; width: 30%; }
.player-avatar { width: 52px; height: 52px; border-radius: 6px; background-color: var(--bg-card); }
.player-text h4 { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.player-text p { font-size: 0.85rem; color: var(--text-secondary); }
.player-controls { display: flex; flex-direction: column; align-items: center; gap: 6px; width: 40%; }
.control-buttons { display: flex; align-items: center; gap: 20px; }
.control-btn { background: transparent; border: none; color: var(--text-secondary); font-size: 1.1rem; cursor: pointer; transition: var(--transition-smooth); }
.control-btn:hover { color: var(--logo-blue); }
.play-main { width: 42px; height: 42px; background-color: var(--logo-blue); color: #FFFFFF !important; border-radius: 50%; display: flex; justify-content: center; align-items: center; box-shadow: 0 4px 12px rgba(0, 82, 255, 0.15); }
.play-main:hover { transform: scale(1.05); background-color: var(--logo-blue-hover); }
.progress-container { display: flex; align-items: center; gap: 12px; width: 100%; font-size: 0.8rem; color: var(--text-secondary); }
.progress-bar-bg { flex-grow: 1; height: 5px; background-color: rgba(0, 82, 255, 0.06); border-radius: 3px; cursor: pointer; position: relative; }
.progress-bar-fill { width: 0%; height: 100%; background-color: var(--logo-blue); border-radius: 3px; }
.player-utility { display: flex; align-items: center; gap: 12px; width: 30%; justify-content: flex-end; }
.volume-slider { -webkit-appearance: none; appearance: none; width: 90px; height: 4px; background: rgba(0, 82, 255, 0.08); border-radius: 2px; }
.volume-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--logo-blue); cursor: pointer; }

/* --- Modal Pəncərə --- */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(8px); z-index: 2000; display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: var(--transition-smooth); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-box { background-color: var(--bg-surface); padding: 40px; border-radius: 12px; width: 100%; max-width: 440px; position: relative; box-shadow: 0 20px 50px rgba(0, 82, 255, 0.1); transform: scale(0.96); transition: var(--transition-smooth); }
.modal-overlay.active .modal-box { transform: scale(1); }
.modal-close { position: absolute; top: 20px; right: 24px; background: none; border: none; color: var(--text-secondary); font-size: 1.6rem; cursor: pointer; }
.modal-header h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 6px; }
.modal-header p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
.input-field { margin-bottom: 20px; }
.input-field label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 8px; color: var(--text-secondary); }
.input-field input { width: 100%; background-color: var(--bg-card); border: 1px solid rgba(0, 82, 255, 0.08); padding: 12px 16px; border-radius: 6px; font-family: inherit; transition: var(--transition-smooth); }
.input-field input:focus { outline: none; border-color: var(--logo-blue); background-color: var(--bg-surface); box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1); }
.form-options { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; margin-bottom: 24px; color: var(--text-secondary); }
.form-options a { color: var(--logo-blue); text-decoration: none; font-weight: 600; }
.modal-footer { text-align: center; margin-top: 24px; font-size: 0.85rem; color: var(--text-secondary); }
.modal-footer a { color: var(--logo-blue); text-decoration: none; font-weight: 700; }

.main-footer { text-align: center; padding: 40px 32px; color: var(--text-secondary); font-size: 0.85rem; border-top: 1px solid rgba(0, 82, 255, 0.06); background-color: var(--bg-surface); }

@keyframes radial-pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(255, 59, 48, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 59, 48, 0); }
}

@media (max-width: 900px) {
    .nav-menu { display: none; }
    .slide-content h1 { font-size: 2.2rem; }
    .player-container { flex-wrap: wrap; gap: 16px; }
    .player-track-info, .player-controls, .player-utility { width: 100%; }
    .player-utility { justify-content: flex-start; }
    body { padding-bottom: 200px; }
}