/* CSS Variables */
:root {
    --primary-color: #007AFF;
    --primary-dark: #0056b3;
    --text-color: #1d1d1f;
    --text-secondary: #6e6e73;
    --bg-color: #ffffff;
    --bg-secondary: #f5f5f7;
    --border-color: #d2d2d7;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    padding-bottom: 15px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-color) 100%);
    padding: 100px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), #5856D6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Main Content */
.content {
    flex: 1;
    padding: 60px 20px;
}

.content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.last-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.content section {
    margin-bottom: 40px;
}

.content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
    padding-top: 10px;
}

.content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

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

.content ul {
    margin-left: 25px;
    margin-bottom: 15px;
}

.content li {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

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

.content a:hover {
    text-decoration: underline;
}

/* Support Page Specific */
.support-intro {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.contact-section {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 50px;
}

.email-link {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 20px 0;
    padding: 15px 30px;
    background: var(--bg-color);
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.email-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.2);
    text-decoration: none;
}

.response-time {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.faq-section {
    margin-top: 50px;
}

.faq-item {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 15px;
}

.faq-item h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.faq-item p {
    margin-bottom: 0;
}

.app-info {
    margin-top: 50px;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.app-info p {
    margin-bottom: 8px;
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 40px 20px;
    margin-top: auto;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

/* Responsive Design */
@media (max-width: 600px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        gap: 20px;
    }

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

    .content h1 {
        font-size: 2rem;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
    }

    .contact-section {
        padding: 30px 20px;
    }

    .email-link {
        font-size: 1.2rem;
        padding: 12px 24px;
    }
}