/* Modern Glassmorphism & iOS-Inspired Design System */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #0F172A;
    --primary-dark: #020617;
    --secondary: #0891B2;
    --accent: #10B981;
    --dark: #111827;
    --light: #F9FAFB;
    --white: #FFFFFF;
    --gray: #6B7280;
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.08);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0F172A 0%, #020617 100%);
    --gradient-secondary: linear-gradient(135deg, #0891B2 0%, #0E7490 100%);
    --gradient-bg: #FFFFFF;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    
    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Effects */
    --blur: blur(5px);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    background: var(--white);
    color: var(--dark);
    line-height: 1.5;
    overflow-x: hidden;
    position: relative;
}

/* Background - Clean and Professional */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
    z-index: -2;
}

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

/* Card Component */
.glass-card {
    background: var(--white);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 32px;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.15);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: var(--primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 15px;
}

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

.nav-cta {
    background: var(--accent);
    color: white;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-size: 15px;
}

.nav-cta:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    background: #F9FAFB;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(48px, 7vw, 72px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: #6B7280;
    margin-bottom: 48px;
    font-weight: 400;
    line-height: 1.5;
}

/* Store Preview */
.store-preview {
    max-width: 600px;
    margin: 0 auto 48px;
    position: relative;
}

.preview-window {
    background: var(--white);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.browser-bar {
    background: #F3F4F6;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
}

.dot:nth-child(1) { background: #FF5F57; }
.dot:nth-child(2) { background: #FFBD2E; }
.dot:nth-child(3) { background: #28CA42; }

.url-bar {
    flex: 1;
    background: var(--white);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 13px;
    color: var(--dark);
    font-family: var(--font-mono);
}

.preview-content {
    padding: 32px;
    text-align: center;
}

.store-icon {
    width: 80px;
    height: 80px;
    background: #F3F4F6;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 40px;
}

/* CTA Buttons */
.cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 32px;
}

.btn {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    text-align: center;
}

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

.btn-primary:hover {
    background: #059669;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 1px solid #E5E7EB;
}

.btn-secondary:hover {
    background: #F9FAFB;
    border-color: #D1D5DB;
}

/* Features Grid */
.features {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 20px;
    color: #6B7280;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #D1D5DB;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: #F3F4F6;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: var(--primary);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

.feature-description {
    color: #6B7280;
    line-height: 1.5;
    font-size: 15px;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: #F9FAFB;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 64px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Tablet - 2 columns */
@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

/* Desktop - still 2 columns but wider */
@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
        max-width: 1000px;
    }
}

.pricing-card {
    background: var(--white);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .pricing-card {
        min-height: 500px;
    }
}

@media (min-width: 1024px) {
    .pricing-card {
        padding: 40px;
    }
}

.pricing-card.featured {
    border: 2px solid var(--secondary);
    transform: scale(1.02);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.plan-price {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.plan-price span {
    font-size: 20px;
    font-weight: 400;
    color: #6B7280;
}

.plan-features {
    list-style: none;
    margin: 32px 0;
    text-align: left;
    flex: 1;
}

.plan-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #4B5563;
    font-size: 15px;
}

.plan-features li::before {
    content: '✓';
    width: 20px;
    height: 20px;
    background: #F3F4F6;
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 12px;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--white);
}

@media (max-width: 767px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .cta-group {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 32px auto 0;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeIn 0.4s ease forwards;
}

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}