/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1DB954;
    --secondary-color: #191414;
    --text-primary: #FFFFFF;
    --text-secondary: #B3B3B3;
    --gold: #FFD700;
    --dark-bg: #000000;
    --card-bg: rgba(255, 255, 255, 0.05);
    --gradient-start: #1DB954;
    --gradient-end: #1ed760;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
}

.logo-icon {
    font-size: 32px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(29, 185, 84, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(29, 185, 84, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 40px 0;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #FFFFFF, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #000;
    box-shadow: 0 10px 30px rgba(29, 185, 84, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(29, 185, 84, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
}

/* Phone Mockup */
.hero-image {
    margin-top: 60px;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-screenshot {
    max-width: 320px;
    height: auto;
    border-radius: 40px;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.8),
        0 0 0 8px rgba(26, 26, 26, 0.9),
        0 0 0 9px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.app-screenshot:hover {
    transform: scale(1.05);
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 30px;
    background: #000;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    border-radius: 32px;
    overflow: hidden;
}

.mockup-content {
    padding: 60px 30px 30px;
    text-align: center;
}

.time-display {
    font-size: 72px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.am-pm {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.song-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.album-art {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
}

.song-info {
    text-align: left;
}

.song-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.artist-name {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(29, 185, 84, 0.05);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(29, 185, 84, 0.1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: rgba(29, 185, 84, 0.03);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.step p {
    color: var(--text-secondary);
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
}

.stars {
    font-size: 20px;
    margin-bottom: 15px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

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

/* Download Section */
.download {
    padding: 100px 0;
    text-align: center;
    background: rgba(29, 185, 84, 0.03);
}

.download-buttons {
    margin: 40px 0;
}

.store-button img {
    height: 60px;
    transition: transform 0.3s;
}

.store-button:hover img {
    transform: scale(1.05);
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
}

.info-icon {
    font-size: 24px;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .nav-links {
        display: none;
    }

    .features-grid,
    .steps,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .download-info {
        flex-direction: column;
        gap: 20px;
    }
}