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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* CSS Variables */
:root {
    --primary-color: #000000;
    --primary-dark: #333333;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --background: #ffffff;
    --background-light: #f9fafb;
    --border-light: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 24px;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 32px;
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #fef7f6 0%, #ffffff 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    opacity: 0.3;
    z-index: -1;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

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

/* App Store Button */
.app-store-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.app-store-btn.large {
    padding: 20px 32px;
    font-size: 16px;
}

.app-store-btn.disabled {
    background: var(--text-light);
    cursor: not-allowed;
    opacity: 0.8;
}

.app-store-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-store-text {
    font-size: 12px;
    opacity: 0.8;
}

.app-store-title {
    font-size: 16px;
    font-weight: 600;
}

.app-store-btn.large .app-store-text {
    font-size: 14px;
}

.app-store-btn.large .app-store-title {
    font-size: 18px;
}

.coming-soon-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-color);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInRight 0.8s ease;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    color: white;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.location-pin {
    font-size: 20px;
}

.app-title {
    font-weight: 600;
    font-size: 18px;
}

.map-view {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    position: relative;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.story-pin {
    position: absolute;
    font-size: 24px;
    animation: pulse 2s infinite;
}

.pin-1 {
    top: 20%;
    left: 30%;
    animation-delay: 0s;
}

.pin-2 {
    top: 60%;
    right: 25%;
    animation-delay: 0.5s;
}

.pin-3 {
    bottom: 25%;
    left: 20%;
    animation-delay: 1s;
}

.now-playing {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
}

.audio-wave {
    display: flex;
    align-items: center;
    gap: 2px;
}

.audio-wave span {
    display: block;
    width: 3px;
    background: white;
    border-radius: 2px;
    animation: wave 1.5s ease-in-out infinite;
}

.audio-wave span:nth-child(1) { height: 12px; animation-delay: 0s; }
.audio-wave span:nth-child(2) { height: 20px; animation-delay: 0.1s; }
.audio-wave span:nth-child(3) { height: 16px; animation-delay: 0.2s; }
.audio-wave span:nth-child(4) { height: 24px; animation-delay: 0.3s; }
.audio-wave span:nth-child(5) { height: 14px; animation-delay: 0.4s; }

.play-info {
    flex: 1;
}

.song-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
}

.progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
}

.progress {
    height: 100%;
    width: 40%;
    background: white;
    border-radius: 2px;
    animation: progress 3s ease-in-out infinite;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--background);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 64px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #ff6b5f 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: block;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--background-light);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-top: 64px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--background);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 24px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 24px;
    margin-bottom: 16px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes wave {
    0%, 100% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(0.5);
    }
}

@keyframes progress {
    0% {
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 40%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
        height: 64px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .section-title {
        font-size: 36px;
        margin-bottom: 48px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 32px 24px;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-title {
        font-size: 36px;
    }
    
    .features,
    .about,
    .cta {
        padding: 80px 0;
    }
    
    .features-container,
    .about-container,
    .cta-container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
}