/* Global Styles */
:root {
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --text-color: #2C2C2E;
    --light-text: #8E8E93;
    --background: #FFFFFF;
    --dark-background: #1C1C1E;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

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

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 6rem 5% 2rem;
    background: linear-gradient(135deg, #F6F6F6 0%, #FFFFFF 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    margin-top: 4rem;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 20px;
}

.hero-image img {
    max-width: 280px;
    height: auto;
    border-radius: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 12px solid #2C2C2E;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 304px; /* img max-width + border * 2 */
    height: 60px;
    background: #2C2C2E;
    border-radius: 20px;
    top: 40px;
    z-index: 1;
}

/* Features Section */
.features {
    padding: 6rem 5%;
    background: var(--background);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Benefits Section */
.benefits {
    padding: 6rem 5%;
    background: #F6F6F6;
}

.benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

.benefit {
    text-align: center;
    padding: 2rem;
}

.benefit h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Download Section */
.download {
    padding: 6rem 5%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

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

.download-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.app-store-button img {
    height: 60px;
    transition: transform 0.3s ease;
}

.app-store-button:hover img {
    transform: scale(1.05);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: #8E8E93;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

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

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

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

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 122, 255, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-image {
        margin-top: 20px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

    .features h2,
    .benefits h2,
    .download h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .feature-card,
    .benefit {
        padding: 1.5rem;
    }
}

/* Support Section */
.support {
    padding: 80px 0;
    background-color: var(--background-light);
}

.support-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.support-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
}

.support-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.support-card h3 {
    margin: 15px 0;
    color: var(--text-dark);
}

.support-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.support-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.support-link:hover {
    background: var(--primary-color);
    color: white;
}

@media (max-width: 768px) {
    .support-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .support-card {
        padding: 30px 20px;
    }
}

/* Legal Pages (Terms and Privacy) */
.legal-content {
    padding: 120px 5% 60px;
    max-width: 900px;
    margin: 0 auto;
}

.container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.last-updated {
    color: var(--light-text);
    margin-bottom: 30px;
    font-style: italic;
}

.legal-section {
    margin-bottom: 30px;
}

.legal-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.legal-section p, .legal-section li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.legal-section ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.legal-section a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .legal-content {
        padding: 100px 20px 40px;
    }
    
    .container {
        padding: 30px 20px;
    }
    
    .legal-content h1 {
        font-size: 2rem;
    }
    
    .legal-section h2 {
        font-size: 1.3rem;
    }
}