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

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    
    /* Shadows */
    --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);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

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

.nav-menu a[target="_blank"] {
    position: relative;
}

.nav-menu a[target="_blank"]:after {
    content: ' ↗';
    font-size: 0.8em;
    opacity: 0.7;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    color: var(--gray-900);
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-8);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, var(--gray-800), var(--gray-900));
    border-radius: 40px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
}

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

.app-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    position: relative;
}

.map-container {
    width: 100%;
    height: 100%;
    position: relative;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="map" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23cbd5e1" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23map)"/></svg>');
}

.map-marker {
    position: absolute;
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
}

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

.map-marker-2 {
    top: 40%;
    right: 25%;
    animation-delay: 0.5s;
}

.map-marker-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 1s;
}

.map-marker-4 {
    bottom: 20%;
    right: 30%;
    animation-delay: 1.5s;
}

.current-location {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

/* Features Section */
.features {
    padding: var(--spacing-24) 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.feature-card {
    padding: var(--spacing-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
    text-align: center;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Categories Section */
.categories {
    padding: var(--spacing-24) 0;
    background: var(--gray-50);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.category-card {
    padding: var(--spacing-6);
    background: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.category-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.category-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.category-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-24) 0;
    background: var(--white);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-12);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-6);
    padding: var(--spacing-6);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.step-content p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Download Section */
.download {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    text-align: center;
}

.download-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.download-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
    flex-wrap: wrap;
}

.download-btn {
    transition: var(--transition-fast);
}

.download-btn:hover {
    transform: translateY(-4px);
}

.download-btn img {
    height: 60px;
    border-radius: var(--radius-lg);
}

.download-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 500;
}

.download-feature i {
    color: var(--success-color);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-4);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-2);
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-bottom p {
    color: var(--gray-400);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-4);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: var(--spacing-2) 0;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--spacing-3);
        text-align: center;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover {
        background: var(--gray-100);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-12);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-features {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.category-card,
.step {
    animation: fadeInUp 0.6s ease-out;
}

/* Hover Effects */
.feature-card:hover .feature-icon {
    transform: scale(1.1);
    transition: var(--transition-normal);
}

.category-card:hover .category-icon {
    transform: scale(1.2);
    transition: var(--transition-normal);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
.btn:focus,
.nav-menu a:focus,
.social-links a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .download,
    .footer {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .features,
    .categories,
    .how-it-works {
        padding: 20px 0;
    }
}