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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.6;
}

.navbar {
    background: #111111;
    border-bottom: 1px solid #333;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 999;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.logo:hover { color: #ccc; }

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

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

.nav-menu a:hover { color: white; }

.hero {
    text-align: center;
    padding: 160px 20px 60px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

.hero h1 { font-size: 4rem; color: white; margin-bottom: 1rem; }
.hero p { font-size: 1.3rem; color: #888; margin-bottom: 2rem; }

.platform-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    color: #ccc;
}

.downloader-section {
    padding: 40px 20px;
    background: #0a0a0a;
}

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

.downloader-card {
    background: #111111;
    border: 1px solid #333;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.platform-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    padding: 0.6rem 1.2rem;
    background: #1a1a1a;
    border: 1px solid #333;
    color: #aaa;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.tab-btn:hover { border-color: #666; color: white; background: #222; }
.tab-btn.active { background: white; color: black; border-color: white; }

.input-wrapper {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-wrapper input {
    flex: 1;
    padding: 1rem;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 10px;
    font-size: 1rem;
    color: white;
}

.input-wrapper input:focus { outline: none; border-color: #888; }
.input-wrapper input::placeholder { color: #555; }

.input-wrapper button {
    padding: 1rem 2rem;
    background: white;
    color: black;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.input-wrapper button:hover { background: #ddd; }
.input-wrapper button:disabled { background: #444; color: #888; cursor: not-allowed; }

.loader { text-align: center; padding: 20px; }

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #333;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.result {
    margin-top: 20px;
    padding: 20px;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    text-align: center;
}

.error {
    margin-top: 20px;
    padding: 15px;
    background: #1a0000;
    border: 1px solid #550000;
    border-radius: 10px;
    text-align: center;
    color: #ff6666;
}

.features, .how-it-works, .supported-sites, .faq {
    padding: 80px 20px;
    background: #0a0a0a;
}

.how-it-works, .faq { background: #050505; }

.features h2, .how-it-works h2, .supported-sites h2, .faq h2 {
    text-align: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 3rem;
}

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

.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.feature, .step, .site, .faq-item {
    background: #111111;
    border: 1px solid #333;
    padding: 2rem;
    border-radius: 15px;
}

.feature-icon { font-size: 2rem; margin-bottom: 1rem; }
.feature h3, .step h3, .faq-item h3 { color: white; margin-bottom: 0.5rem; }

.site { text-align: center; padding: 1rem; border-radius: 10px; }

.step-num {
    width: 70px;
    height: 70px;
    background: white;
    color: black;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

footer {
    background: #050505;
    color: #aaa;
    padding: 3rem 20px 1rem;
    border-top: 1px solid #1a1a1a;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h3 { color: white; margin-bottom: 1rem; }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 0.5rem; }
.footer-section a { color: #aaa; text-decoration: none; }
.footer-section a:hover { color: white; }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1a1a1a;
}

.disclaimer { margin-top: 0.5rem; font-size: 0.85rem; color: #666; }

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .input-wrapper { flex-direction: column; }
    .nav-menu { display: none; }
    .features-grid, .faq-grid { grid-template-columns: 1fr; }
    .downloader-card { padding: 20px; }
}