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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    background-color: #000;
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: bold;
}

.logo img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #888;
}

/* Hero Section */
.hero {
    padding: 100px 20px;
    text-align: center;
}

.hero-logo {
    height: 150px;
    width: auto;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 72px;
    margin-bottom: 20px;
    font-weight: bold;
}

.tagline {
    font-size: 28px;
    margin-bottom: 20px;
    color: #ccc;
}

.description {
    font-size: 18px;
    margin-bottom: 40px;
    color: #aaa;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.3s;
}

.cta-button img {
    height: 60px;
    width: auto;
    display: block;
}

.cta-button:hover {
    transform: translateY(-2px);
    opacity: 0.8;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background-color: #0a0a0a;
}

.features h2 {
    text-align: center;
    font-size: 48px;
    margin-bottom: 60px;
}

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

.feature-card {
    background-color: #111;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #222;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #444;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-card ul {
    list-style: none;
    padding-left: 0;
}

.feature-card li {
    padding: 8px 0;
    color: #ccc;
    padding-left: 20px;
    position: relative;
}

.feature-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #fff;
}

/* Support Section */
.support {
    padding: 80px 20px;
}

.support h2 {
    text-align: center;
    font-size: 48px;
    margin-bottom: 60px;
}

.support-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.support-section h3 {
    font-size: 32px;
    margin-bottom: 30px;
}

.support-item,
.faq-item {
    margin-bottom: 30px;
}

.support-item h4,
.faq-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fff;
}

.support-item ol {
    padding-left: 20px;
    color: #ccc;
}

.support-item ol li {
    margin-bottom: 8px;
}

.faq-item p {
    color: #ccc;
}

/* Privacy Section */
.privacy {
    padding: 80px 20px;
    background-color: #0a0a0a;
}

.privacy h2 {
    text-align: center;
    font-size: 48px;
    margin-bottom: 60px;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.policy-card {
    background-color: #111;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #222;
}

.policy-card h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.policy-card h4 {
    font-size: 20px;
    margin-top: 20px;
    margin-bottom: 10px;
}

.policy-card p {
    color: #ccc;
    margin-bottom: 15px;
}

.policy-card ul {
    list-style: none;
    padding-left: 0;
    color: #ccc;
}

.policy-card li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.policy-card li:before {
    content: "•";
    position: absolute;
    left: 0;
}

.policy-link {
    display: inline-block;
    margin-top: 20px;
    color: #fff;
    text-decoration: underline;
    transition: color 0.3s;
}

.policy-link:hover {
    color: #888;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
}

.contact h2 {
    text-align: center;
    font-size: 48px;
    margin-bottom: 40px;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content > p {
    font-size: 18px;
    color: #ccc;
    margin-bottom: 40px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.contact-item p {
    color: #ccc;
}

.contact-item a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: #888;
}

/* Footer */
footer {
    background-color: #0a0a0a;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid #333;
}

footer p {
    color: #888;
    margin-bottom: 10px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    background-color: #111;
    margin: 5% auto;
    padding: 40px;
    border: 1px solid #333;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    color: #aaa;
    float: right;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover,
.close:focus {
    color: #fff;
}

#modal-body h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

#modal-body h4 {
    font-size: 20px;
    margin-top: 25px;
    margin-bottom: 10px;
}

#modal-body p,
#modal-body li {
    color: #ccc;
    margin-bottom: 10px;
}

#modal-body ul {
    padding-left: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
        font-size: 14px;
    }

    .hero-logo {
        height: 100px;
    }

    .hero h1 {
        font-size: 48px;
    }

    .tagline {
        font-size: 20px;
    }

    .features h2,
    .support h2,
    .privacy h2,
    .contact h2 {
        font-size: 36px;
    }

    .support-content {
        grid-template-columns: 1fr;
    }

    .policy-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
        margin: 10% auto;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    .logo img {
        height: 32px;
    }

    .hero-logo {
        height: 80px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}