:root {
    --bg-color: #0d0d12;
    --text-color: #e2e8f0;
    --accent-color: #7b2cbf;
    --accent-hover: #5a189a;
    --orange-accent: #ff6d00;
    --surface-color: #1a1a24;
    --border-color: #2d2d3a;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: #000000; /* Идеально для лого с черным фоном */
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--orange-accent);
}

.hero {
    padding: 4rem 5%;
    text-align: center;
    background: linear-gradient(135deg, rgba(123, 44, 191, 0.1), rgba(255, 109, 0, 0.05));
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.btn {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-color), var(--orange-accent));
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(123, 44, 191, 0.4);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 5%;
}

section {
    margin-bottom: 4rem;
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

h2 {
    color: var(--orange-accent);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

h3 {
    color: #fff;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

ul.features {
    list-style-type: none;
    margin-bottom: 1.5rem;
}

ul.features li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

ul.features li::before {
    content: '✓';
    color: var(--orange-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.banner {
    width: 100%;
    border-radius: 12px;
    margin: 2rem 0;
    overflow: hidden;
    display: block;
}

.banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: rgba(0,0,0,0.3);
}

th, td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

th {
    background: rgba(123, 44, 191, 0.2);
    color: #fff;
    font-weight: 600;
}

footer {
    background: #000;
    padding: 3rem 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: #888;
}

.disclaimer {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: #666;
}

@media (max-width: 768px) {
    /* Header & Navigation Mobile Optimization */
    header {
        flex-wrap: wrap;
        padding: 1rem 5%;
    }
    
    .logo {
        flex: 1 1 auto;
    }
    
    .auth-buttons {
        flex: 0 0 auto;
    }
    
    /* Horizontal scrolling menu for mobile */
    nav {
        width: 100%;
        order: 3;
        margin-top: 1rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.5rem;
    }
    
    nav::-webkit-scrollbar {
        height: 4px;
    }
    
    nav::-webkit-scrollbar-thumb {
        background: var(--accent-color);
        border-radius: 4px;
    }
    
    nav ul {
        display: flex;
        width: max-content; /* Allows items to stretch beyond screen */
        gap: 1.2rem;
    }
    
    nav a {
        font-size: 0.9rem;
        white-space: nowrap;
        padding: 0.3rem 0;
    }

    /* Layout & Spacing */
    .hero { 
        padding: 2.5rem 5%; 
    }
    
    main {
        padding: 1rem 5%;
    }
    
    section {
        padding: 1.5rem 1rem;
        margin-bottom: 2rem;
        border-radius: 8px;
    }

    /* Typography */
    h1 { 
        font-size: 1.8rem; 
        line-height: 1.3;
    }
    
    h2 { 
        font-size: 1.4rem; 
    }
    
    h3 { 
        font-size: 1.15rem; 
    }

    /* Tables Mobile Scroll */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        font-size: 0.9rem;
    }

    th, td {
        padding: 0.8rem;
    }

    /* Touch-friendly buttons */
    .btn {
        padding: 0.8rem 1.5rem;
    }
    
    .hero .btn {
        width: 100%;
        display: block;
        text-align: center;
        margin-top: 1.5rem;
    }
    
    .auth-buttons .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}