/* style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #ffffff;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff0050;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #ff0050;
}

.nav-dropdown {
    position: relative;
}

.dropdown-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 150px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
}

.dropdown-content.show,
.dropdown-content a:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 1rem;
    color: #333;
    text-decoration: none;
}

.dropdown-item:hover {
    background: #f8f9fa;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
}

.main {
    margin-top: 80px;
}

.hero {
    padding: 4rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ff0050, #ff4081);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.input-group {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    flex-wrap: wrap;
}

#tiktok-url {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-size: 1rem;
    min-width: 300px;
}

#tiktok-url:focus {
    outline: none;
    border-color: #ff0050;
    box-shadow: 0 0 0 3px rgba(255, 0, 80, 0.1);
}

.download-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #ff0050, #ff4081);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    white-space: nowrap;
}

.download-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 0, 80, 0.4);
}

.download-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.loading, .error {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
}

.loading {
    color: #ff0050;
}

.error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.results {
    margin-top: 2rem;
}

.results h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.download-link {
    display: inline-block;
    margin: 0.5rem;
    padding: 1rem 2rem;
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
    border: 2px solid #e0e0e0;
}

.download-link:hover {
    background: #ff0050;
    color: white;
    border-color: #ff0050;
    transform: translateY(-2px);
}

.download-link.wm::after {
    content: ' 💧';
}

.download-link.audio::after {
    content: ' 🎵';
}

.features {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #ff0050;
}

.footer {
    background: #f8f9fa;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    color: #666;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s;
    }

    .nav-menu.nav-open {
        left: 0;
    }

    .input-group {
        flex-direction: column;
    }

    #tiktok-url {
        min-width: auto;
    }

    .hero {
        padding: 2rem 1rem;
    }
}

.hidden {
    display: none !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content, .feature-card {
    animation: fadeInUp 0.8s ease-out;
}