/* ==================== */
/* Reset & Base Styles */
/* ==================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --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);
}

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

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

/* ==================== */
/* Navigation */
/* ==================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 28px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ==================== */
/* Hero Section */
/* ==================== */

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f9fafb 0%, #e0e7ff 100%);
}

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

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

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

.btn-primary, .btn-secondary, .btn-outline {
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

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

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

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    margin: 0 auto;
    background: var(--text-dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 32px;
    overflow: hidden;
}

.mockup-content {
    padding: 24px;
}

.mockup-header {
    text-align: center;
    margin-bottom: 32px;
}

.status-bar {
    height: 24px;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 16px;
}

.mockup-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mockup-card {
    padding: 20px;
    background: var(--gradient);
    color: white;
    border-radius: 16px;
    font-weight: 600;
    text-align: center;
}

/* ==================== */
/* Features Section */
/* ==================== */

.features {
    padding: 80px 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 20px;
    color: var(--text-light);
}

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

.feature-card {
    padding: 32px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== */
/* Stats Section */
/* ==================== */

.stats {
    padding: 60px 0;
    background: var(--gradient);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* ==================== */
/* About Section */
/* ==================== */

.about {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.about-text h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 24px;
}

.about-text p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.tech-badge {
    padding: 8px 16px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
}

.about-image {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-card {
    padding: 32px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.about-card-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.about-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-card p {
    color: var(--text-light);
}

/* ==================== */
/* Download Section */
/* ==================== */

.download {
    padding: 80px 0;
    background: var(--bg-white);
    text-align: center;
}

.download-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: var(--text-dark);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
}

.store-button:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

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

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-text .small {
    font-size: 10px;
    opacity: 0.8;
}

.store-text .large {
    font-size: 18px;
    font-weight: 600;
}

.qr-code {
    display: inline-block;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-placeholder p:first-child {
    font-size: 64px;
    margin-bottom: 8px;
}

.qr-text {
    font-size: 14px;
    color: var(--text-light);
}

/* ==================== */
/* Contact Section */
/* ==================== */

.contact {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.contact-card {
    padding: 40px;
    background: var(--bg-white);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.contact-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-light);
}

/* ==================== */
/* Footer */
/* ==================== */

.footer {
    padding: 60px 0 24px;
    background: var(--text-dark);
    color: white;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-desc {
    opacity: 0.8;
    font-size: 14px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
    font-size: 14px;
}

/* ==================== */
/* Responsive Design */
/* ==================== */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons a {
        width: 100%;
        justify-content: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.feature-card,
.stat-item {
    animation: fadeInUp 0.6s ease-out;
}