/* CSS Variables */
:root {
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --secondary: #06B6D4;
    --accent: #F59E0B;
    --success: #22C55E;
    --google: #4285F4;
    --instagram: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF, #515BD4);
    --youtube: #FF0000;
    
    --bg-dark: #0F172A;
    --bg-card: #1E293B;
    --bg-card-hover: #334155;
    --text: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    --gradient: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
    --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.btn-gradient {
    background: var(--gradient);
    color: white;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-card);
    color: var(--secondary);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--bg-card);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.75rem;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin: 24px 0 32px;
    max-width: 500px;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--bg-card);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    z-index: 1;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--bg-card);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 3px solid var(--bg-card-hover);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    border-radius: 32px;
    overflow: hidden;
    padding: 20px;
}

.app-preview {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app-header {
    text-align: center;
    font-weight: 700;
    font-size: 1.25rem;
    padding: 16px 0;
    border-bottom: 1px solid var(--bg-card);
}

.app-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.platform-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.platform-icon.google {
    background: var(--google);
    color: white;
}

.platform-icon.instagram {
    background: var(--instagram);
}

.platform-icon.youtube {
    background: var(--youtube);
    color: white;
}

.badge-small {
    margin-left: auto;
    padding: 4px 10px;
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
}

.hero-bg {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    filter: blur(80px);
    z-index: 0;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header p {
    color: var(--text-secondary);
    margin-top: 16px;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--bg-dark);
    border: 1px solid var(--bg-card-hover);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.service-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient);
    color: white;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.google-bg {
    background: var(--google);
    color: white;
}

.instagram-bg {
    background: var(--instagram);
}

.youtube-bg {
    background: var(--youtube);
    color: white;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.service-price {
    margin-bottom: 20px;
}

.service-price .price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
}

.service-price .period {
    color: var(--text-muted);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature-card h4 {
    margin-bottom: 12px;
}

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

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--bg-card);
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-dark);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow-glow);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.pricing-amount {
    margin-bottom: 8px;
}

.pricing-amount .currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.pricing-amount .amount {
    font-size: 4rem;
    font-weight: 800;
}

.pricing-amount .period {
    color: var(--text-muted);
}

.pricing-header p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-card);
    color: var(--text-secondary);
}

/* Download Section */
.download {
    padding: 100px 0;
    text-align: center;
}

.download-content h2 {
    margin-bottom: 16px;
}

.download-content > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-hover);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s ease;
}

.store-btn:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

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

.store-text {
    text-align: left;
}

.store-text span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.store-text strong {
    font-size: 1.1rem;
}

.download-note {
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-dark);
    border-top: 1px solid var(--bg-card);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 280px;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    padding: 6px 0;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--text);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--bg-card);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--primary);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--bg-card);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
}