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

:root {
    --primary: #27ae60;
    --primary-dark: #229954;
    --secondary: #3498db;
    --accent: #e74c3c;
    --dark: #2c3e50;
    --darker: #1a252f;
    --light: #ecf0f1;
    --lighter: #f8f9fa;
    --text: #34495e;
    --text-light: #7f8c8d;
    --border: #dfe6e9;

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 48px rgba(0,0,0,0.15);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4 {
    color: var(--dark);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* 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(--border);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

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

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

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

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f5e9 100%);
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--border);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.hero-image {
    margin-top: 64px;
}

.app-mockup {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.app-mockup-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 100%;
}

.mockup-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 100%;
}

.mockup-item img {
    max-width: 100%;
    height: auto;
}

/* Responsive: stack on smaller screens */
@media (max-width: 768px) {
    .app-mockup-dual {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.mockup-placeholder {
    background: var(--dark);
    aspect-ratio: 3/2;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
}

/* Features Section */
.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

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

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    font-size: 0.95rem;
    margin: 0;
}

/* How It Works */
.how-it-works {
    background: var(--lighter);
}

.steps {
    max-width: 800px;
    margin: 0 auto 64px;
}

.step {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    margin-bottom: 8px;
}

.comparison {
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.comparison h3 {
    text-align: center;
    margin-bottom: 32px;
    font-size: 2rem;
}

.comparison-table {
    display: grid;
    gap: 2px;
    background: var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    background: white;
}

.comparison-row.header {
    background: var(--dark);
    color: white;
    font-weight: 700;
}

.comparison-row > div {
    padding: 16px 24px;
}

.comparison-row .highlight {
    background: #e8f5e9;
    color: var(--primary);
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    border-width: 3px;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-badge.popular {
    background: var(--primary);
}

.pricing-card h3 {
    margin: 20px 0 24px;
    font-size: 1.75rem;
}

.price {
    margin-bottom: 16px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
}

.price-period {
    font-size: 1rem;
    color: var(--text-light);
    margin-left: 8px;
}

.pricing-description {
    color: var(--text-light);
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border);
}

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

.pricing-features li {
    padding: 12px 0;
    color: var(--text);
}

.pricing-note {
    max-width: 800px;
    margin: 48px auto 0;
    padding: 24px;
    background: var(--lighter);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

/* Download Section */
.download {
    background: linear-gradient(135deg, var(--primary) 0%, #229954 100%);
    color: white;
    text-align: center;
}

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

.download p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.download-buttons {
    margin-bottom: 40px;
}

.download-btn {
    background: white;
    color: var(--primary);
    font-size: 1.125rem;
    padding: 20px 40px;
    flex-direction: column;
    gap: 4px;
}

.download-btn:hover {
    background: var(--lighter);
}

.download-size {
    font-size: 0.875rem;
    font-weight: 400;
    opacity: 0.8;
}

.download-info {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.info-item {
    color: rgba(255, 255, 255, 0.95);
}

.info-item strong {
    color: white;
}

/* FAQ Section */
.faq {
    background: var(--lighter);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 32px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    color: var(--dark);
    margin-bottom: 12px;
}

.faq-item p {
    margin: 0;
    color: var(--text);
}

/* Footer */
.footer {
    background: var(--darker);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 24px;
    }

    section {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .comparison-row {
        grid-template-columns: 1fr;
    }

    .comparison-row > div {
        padding: 12px 16px;
    }

    .download-info {
        flex-direction: column;
        gap: 16px;
    }
}

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

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