:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --bg-color: #F8FAFC;
    --text-color: #1E293B;
    --text-light: #64748B;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --hover-color: #EFF6FF;
    --success: #10B981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo {
    display: flex;
    align-items: center;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

nav {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.2s;
}

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

main {
    padding: 2rem 0;
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.domain-count {
    color: var(--primary);
    font-weight: 600;
}

.filters {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-container {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

#search {
    width: 100%;
    padding: 1rem 1rem 1rem 2.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#search:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.filter-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.filter-btn:hover {
    background-color: var(--hover-color);
}

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

#domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.domain-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.domain-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.domain-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.domain-tag {
    font-size: 0.8rem;
    background-color: var(--hover-color);
    color: var(--primary);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    display: inline-block;
}

.contact-card {
    background-color: var(--card-bg);
    border-radius: 0.8rem;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    margin: 0 auto;
    max-width: 700px;
}

.contact-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

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

.contact-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.contact-button:hover {
    background-color: var(--primary-dark);
}

footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.toast-content svg {
    color: var(--success);
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    #domains-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    
    .contact-card {
        padding: 1.5rem;
    }
}