/* Reset and Base Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 5px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
}

/* Header and Navigation */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 8rem 5% 4rem;
    text-align: center;
    background-color: var(--light-bg);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
}

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

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Features Section */
.features {
    padding: 4rem 5%;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    transition: var(--transition);
}

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

.feature-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card ul {
    list-style: none;
    margin-top: 1rem;
}

.feature-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-card li:before {
    content: "•";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* Download Section */
.download {
    padding: 4rem 5%;
    text-align: center;
    background-color: var(--light-bg);
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

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

/* FAQ Section */
.faq {
    padding: 4rem 5%;
    background-color: var(--white);
}

.faq h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* Print Styles */
@media print {
    header, footer, .cta-buttons {
        display: none;
    }
    
    body {
        color: #000;
    }
    
    a {
        text-decoration: none;
        color: #000;
    }
}

/* Privacy and Terms Pages */
.privacy-hero,
.terms-hero {
    background-color: #f8f9fa;
    padding: 6rem 5% 3rem;
    text-align: center;
}

.privacy-hero h1,
.terms-hero h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.privacy-content,
.terms-content {
    padding: 4rem 5%;
    max-width: 800px;
    margin: 0 auto;
}

.privacy-content h2,
.terms-content h2 {
    color: #2c3e50;
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.privacy-content p,
.terms-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.privacy-content ul,
.terms-content ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.privacy-content li,
.terms-content li {
    margin-bottom: 0.5rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Testing Page Styles */
.testing-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.testing-hero h1 {
    color: var(--white);
}

.testing-hero p {
    color: rgba(255, 255, 255, 0.9);
}

.testing-info {
    padding: 4rem 5%;
    background-color: var(--light-bg);
}

.testing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testing-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testing-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.testing-card h3 {
    margin-bottom: 1rem;
}

.signup-form {
    padding: 4rem 5%;
    background-color: var(--white);
}

.form-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--light-bg);
    padding: 5rem;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border: 1px solid rgba(52, 152, 219, 0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 3rem;
}

.form-group label {
    display: block;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.form-group input[type="email"] {
    width: 100%;
    padding: 2rem;
    border: 3px solid #ddd;
    border-radius: 15px;
    font-size: 1.4rem;
    transition: var(--transition);
    background-color: var(--white);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    min-height: 70px;
}

.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 5px rgba(52, 152, 219, 0.2), 0 8px 25px rgba(0,0,0,0.15);
    transform: translateY(-3px);
}

.form-group input[type="email"]::placeholder {
    color: #999;
    font-size: 1.3rem;
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.form-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
}

.message {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.testing-faq {
    padding: 4rem 5%;
    background-color: var(--light-bg);
}

.testing-faq h2 {
    text-align: center;
    margin-bottom: 3rem;
}

/* Responsive adjustments for testing page */
@media (max-width: 768px) {
    .testing-grid {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 3rem 2rem;
        margin: 0 1rem;
        max-width: 100%;
    }
    
    .form-container h2 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }
    
    .form-group input[type="email"] {
        padding: 1.5rem;
        font-size: 1.2rem;
        min-height: 60px;
    }
    
    .form-group label {
        font-size: 1.3rem;
    }
    
    .testing-hero h1 {
        font-size: 2rem;
    }
}

.form-container .btn.primary {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--secondary-color), #2980b9);
    border: none;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    transition: all 0.3s ease;
}

.form-container .btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #2980b9, var(--secondary-color));
}