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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #fff;
    color: #000;
    min-height: 100vh;
    background-image: 
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: transparent;
    position: relative;
    z-index: 100;
}

.nav-item {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #666;
    cursor: pointer;
    padding: 8px 16px;
    transition: color 0.3s ease;
}

.nav-item:hover {
    color: #000;
}

.nav-item.active {
    color: #000;
}

.nav-item.accent {
    background-color: #000;
    color: #fff;
    border-radius: 20px;
    padding: 8px 20px;
}

.nav-item.accent:hover {
    background-color: #333;
}

.nav-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: 40px;
    text-align: center;
}

.brand {
    font-size: clamp(100px, 25vw, 200px);
    font-weight: 800;
    letter-spacing: -8px;
    color: #000;
    line-height: 0.85;
    margin-bottom: 30px;
}

.tagline {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: #666;
    margin-bottom: 50px;
    text-transform: uppercase;
}

.search-box {
    display: flex;
    width: 100%;
    max-width: 700px;
    margin-bottom: 40px;
}

#searchInput {
    flex: 1;
    padding: 22px 30px;
    border: 1px solid #e0e0e0;
    border-radius: 30px 0 0 30px;
    font-size: 16px;
    font-weight: 400;
    outline: none;
    background-color: #f5f5f5;
    transition: all 0.3s ease;
}

#searchInput:focus {
    background-color: #fff;
    border-color: #000;
}

#searchInput::placeholder {
    color: #999;
}

#searchButton {
    padding: 22px 40px;
    background-color: #000;
    color: #fff;
    border: none;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background-color 0.3s ease;
}

#searchButton:hover {
    background-color: #333;
}

.search-categories {
    width: 100%;
    max-width: 900px;
    margin-top: 30px;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.category-tab {
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    background-color: transparent;
    color: #666;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab:hover {
    color: #000;
    background-color: #f0f0f0;
}

.category-tab.active {
    background-color: #000;
    color: #fff;
}

.category-tab.active:hover {
    background-color: #333;
}

.channel-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.channel-buttons.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.channel-btn {
    padding: 12px 24px;
    border: 1px solid #ddd;
    border-radius: 25px;
    background-color: transparent;
    color: #666;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: capitalize;
    cursor: pointer;
    transition: all 0.3s ease;
}

.channel-btn:hover {
    border-color: #000;
    color: #000;
}

.channel-btn.active {
    background-color: #000;
    border-color: #000;
    color: #fff;
}

.channel-btn.active:hover {
    background-color: #333;
    border-color: #333;
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .nav-item {
        font-size: 10px;
        padding: 6px 12px;
    }
    
    .nav-item.accent {
        padding: 6px 16px;
    }
    
    .brand {
        font-size: clamp(60px, 20vw, 120px);
        letter-spacing: -4px;
    }
    
    .tagline {
        font-size: 14px;
    }
    
    .search-box {
        flex-direction: column;
        gap: 10px;
    }
    
    #searchInput {
        border-radius: 30px;
    }
    
    #searchButton {
        border-radius: 30px;
    }
    
    .channel-btn {
        padding: 10px 18px;
        font-size: 10px;
    }
}