/* ===================================
   MODERN DARK THEME - VARIABLES
   =================================== */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131a;
    --bg-tertiary: #1a1a24;
    --bg-elevated: #20202e;
    --bg-hover: #2a2a3a;
    
    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-hover: #4f46e5;
    --gradient-start: #6366f1;
    --gradient-end: #8b5cf6;
    
    /* Text Colors */
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Border & Divider */
    --border-color: #2a2a3a;
    --divider-color: #27272f;
    
    /* Success & Status */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    position: relative;
    z-index: 10;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-button-small {
    padding: 0.75rem 1.5rem;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.cta-button-small:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-content {
    max-width: 900px;
    margin: 6rem auto 4rem;
    text-align: center;
    padding: 0 5%;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--success-color);
    margin-bottom: 2rem;
}

.cta-button-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.cta-button-large:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 4rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

.badge {
    text-align: center;
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ===================================
   SECTIONS
   =================================== */
section {
    padding: 6rem 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 4rem;
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    background: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: var(--bg-elevated);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
    background: var(--bg-hover);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   HOW IT WORKS
   =================================== */
.how-it-works {
    background: var(--bg-primary);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 2rem 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-md);
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: 300;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }
}

/* ===================================
   SAMPLE SONGS
   =================================== */
.sample-songs {
    background: var(--bg-primary);
}

.songs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.song-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.song-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.song-info {
    margin-bottom: 1.5rem;
}

.song-genre-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.song-genre-badge.country {
    background: linear-gradient(135deg, #d97706, #f59e0b);
}

.song-genre-badge.pop {
    background: linear-gradient(135deg, #ec4899, #f472b6);
}

.song-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.song-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Audio Player */
.audio-player {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.play-btn {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.play-btn.playing {
    background: var(--bg-hover);
    border: 2px solid var(--accent-primary);
}

.play-icon {
    color: white;
    font-size: 1rem;
    margin-left: 2px;
}

.play-btn.playing .play-icon {
    margin-left: 0;
    color: var(--accent-primary);
}

.audio-progress {
    flex: 1;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 10px;
    transition: width 0.1s linear;
}

.audio-time {
    display: flex;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.current-time {
    color: var(--text-primary);
}

audio {
    display: none;
}

@media (max-width: 768px) {
    .songs-grid {
        grid-template-columns: 1fr;
    }
    
    .audio-time {
        font-size: 0.75rem;
        min-width: 70px;
    }
}

/* ===================================
   PERFECT FOR
   =================================== */
.perfect-for {
    background: var(--bg-secondary);
}

.occasions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.occasion {
    background: var(--bg-elevated);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.occasion:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

/* ===================================
   TESTIMONIALS
   =================================== */
.testimonials {
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--bg-elevated);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.stars {
    color: var(--warning-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-primary);
}

/* ===================================
   FINAL CTA
   =================================== */
.final-cta {
    background: linear-gradient(135deg, var(--bg-secondary), #1a1a2e);
    text-align: center;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-price {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
}

.guarantee {
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 5%;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--divider-color);
}

.footer p {
    margin: 0.5rem 0;
}

/* ===================================
   MODAL WIZARD
   =================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-elevated);
    border-radius: 20px;
    max-width: 700px;
    width: 90%;
    padding: 3rem;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin: 2rem 0;
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.wizard-step h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.step-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.wizard-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.char-count {
    text-align: right;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Genre Grid */
.genre-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.genre-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.genre-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.genre-btn.selected {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.genre-icon {
    font-size: 2rem;
}

.genre-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* Toggle Buttons */
.toggle-buttons {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.toggle-btn {
    flex: 1;
    padding: 0.875rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-btn:hover {
    background: var(--bg-hover);
}

.toggle-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Wizard Buttons */
.btn-next,
.btn-order,
.btn-back {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-next,
.btn-order {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
}

.btn-next:disabled,
.btn-order:disabled {
    background: var(--bg-hover);
    color: var(--text-muted);
    cursor: not-allowed;
}

.btn-next:not(:disabled):hover,
.btn-order:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-back:hover {
    background: var(--bg-hover);
}

/* Order Summary */
.order-summary {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--divider-color);
}

.summary-item.full-width {
    flex-direction: column;
    gap: 0.5rem;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.summary-value {
    color: var(--text-primary);
}

.summary-value.price {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 0 0;
    margin-top: 1rem;
    border-top: 2px solid var(--border-color);
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--divider-color);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.progress-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.progress-step.completed .progress-circle,
.progress-step.active .progress-circle {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-color: var(--accent-primary);
    color: white;
}

.progress-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

.progress-step.completed .progress-label,
.progress-step.active .progress-label {
    color: var(--text-primary);
}

.progress-line {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    margin: 0 0.5rem;
    margin-bottom: 1.5rem;
}

.progress-line.completed {
    background: var(--accent-primary);
}

@media (max-width: 768px) {
    .progress-indicator {
        display: none;
    }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    section {
        padding: 4rem 5%;
    }
    
    .modal-content {
        padding: 2rem 1.5rem;
    }
    
    .hero-badges {
        gap: 2rem;
    }
    
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .genre-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}