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

:root {
    --primary-color: #007AFF;
    --secondary-color: #0051D5;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 4rem 0;
}

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

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

.feature-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Content Section */
.content-section {
    padding: 4rem 0;
}

/* Support Grid */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.support-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.support-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.support-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.support-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.support-card .btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

/* FAQ Section */
.faq-section {
    margin: 4rem 0;
}

.faq-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.faq-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

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

.faq-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-section {
    margin: 4rem 0;
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 15px;
}

.contact-form-section h2 {
    margin-bottom: 1rem;
}

.contact-form-section > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    width: 100%;
    padding: 1rem;
}

/* Privacy Content */
.privacy-content {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-content h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem 0;
    font-size: 1.8rem;
}

.privacy-content h3 {
    color: var(--secondary-color);
    margin: 1.5rem 0 0.75rem 0;
    font-size: 1.3rem;
}

.privacy-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.privacy-content ul {
    margin: 1rem 0 1rem 2rem;
    color: var(--text-light);
}

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

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

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

.info-box {
    background: #e8f4fd;
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 8px;
}

.info-box h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-box p {
    margin: 0;
    color: var(--text-color);
}

/* Support Simple Section */
.support-simple {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.support-center {
    background: var(--bg-light);
    padding: 4rem 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.support-icon-large {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.support-center h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.support-subtitle {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn-large {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-large:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 122, 255, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .support-center {
        padding: 3rem 2rem;
    }
    
    .support-icon-large {
        font-size: 4rem;
    }
    
    .support-center h1 {
        font-size: 2rem;
    }
    
    .support-subtitle {
        font-size: 1rem;
    }
    
    .btn-large {
        font-size: 1rem;
        padding: 1rem 2rem;
    }
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem 0;
    margin-top: 4rem;
}

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

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

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .feature-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .contact-form-section {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}