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

:root {
    --primary: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --secondary: #81C784;
    --white: #ffffff;
    --light-bg: #f5f9f5;
    --dark-text: #1a1a1a;
    --gray-text: #666666;
    --light-gray: #e0e0e0;
    --border-radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

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

/* Header */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--gray-text);
    font-weight: 500;
    transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    color: var(--dark-text);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 40px;
}

.app-preview {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--dark-text);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    min-width: 180px;
}

.store-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.store-btn.google-play {
    background: var(--primary);
}

.store-btn.coming-soon {
    background: var(--light-gray);
    color: var(--gray-text);
    cursor: not-allowed;
}

.store-btn img {
    width: 28px;
    height: 28px;
}

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

.store-btn .btn-text small {
    font-size: 0.7rem;
    text-transform: uppercase;
    display: block;
}

.store-btn .btn-text strong {
    font-size: 1rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: var(--dark-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--dark-text);
}

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

/* Social Section */
.social {
    background: var(--primary);
    padding: 60px 0;
    text-align: center;
}

.social h2 {
    color: var(--white);
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.25);
}

.social-link .placeholder {
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 15px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links h4 {
    margin-bottom: 15px;
    color: var(--white);
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* Page Header */
.page-header {
    background: var(--light-bg);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.page-header p {
    color: var(--gray-text);
    font-size: 1.1rem;
}

/* Content Pages */
.content-page {
    padding: 60px 0;
}

.content-page h2 {
    color: var(--primary);
    font-size: 1.8rem;
    margin: 40px 0 20px;
}

.content-page h3 {
    color: var(--dark-text);
    font-size: 1.3rem;
    margin: 30px 0 15px;
}

.content-page p {
    margin-bottom: 15px;
    color: var(--gray-text);
}

.content-page ul, .content-page ol {
    margin: 15px 0 15px 25px;
    color: var(--gray-text);
}

.content-page li {
    margin-bottom: 10px;
}

.content-page a {
    color: var(--primary);
}

.content-page .last-updated {
    background: var(--light-bg);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    font-size: 0.9rem;
    color: var(--gray-text);
}

/* Contact Form */
.contact-section {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--light-bg);
    padding: 40px;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
}

.contact-info {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--light-gray);
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
}

/* Success Message */
.success-message {
    background: #e8f5e9;
    color: var(--primary-dark);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .app-preview {
        flex-direction: column;
        align-items: center;
    }
}