.screen-forbidden {
    display: none;
}

:root {
    --darker-light-gray: #797979;
    --gray: #333333;
    --hover-light-gray: #f0f0f0;
    --lighter-light-gray: #f4f4f4;
    --light-gray: #e0e0e0;
    --royal-blue: #2c3e50;
    --royal-gold: #b59410;
    --white: #fdfdfd;
}

@media (max-width: 359px) {
    body > *:not(.screen-forbidden) {
        display: none !important;
    }

    .screen-forbidden {
        display: block;
    }
}

@media (min-width: 360px) {

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

    body {
        font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        line-height: 1.5;
        color: var(--gray);
        background-color: var(--white);
    }

    nav {
        background-color: var(--royal-blue);
        color: var(--white);
        padding: 1rem 5%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .nav-logo {
        font-size: 1.4rem;
        font-weight: bold;
        letter-spacing: 1px;
        /* text-transform: uppercase; */
    }

    .nav-links {
        list-style: none;
        display: flex;
    }

    .nav-links li {
        margin-left: 25px;
    }

    .nav-links a {
        color: var(--white);
        text-decoration: none;
        font-size: 0.95rem;
        transition: color 0.3s;
    }

    .nav-links a:hover {
        color: var(--royal-gold);
    }

    .banner {
        height: 300px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--white);
        text-align: center;
        overflow: hidden;
    }
    
    .banner-img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
        z-index: 1;
    }
    
    .banner-text {
        position: relative;
        z-index: 2;
    }

    .banner-text h1 {
        font-size: 3.5rem;
        margin-top: 0px;
        margin-bottom: 10px;
        font-family: 'Georgia', serif;
    }

    .banner-text p {
        font-size: 1.2rem;
        opacity: 0.9;
    }

    .container {
        max-width: 900px;
        margin: 40px auto;
        padding: 0 20px;
    }
    
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 50px;
        background-color: var(--white);
        border: 1px solid var(--light-gray);
    }

    table th {
        background-color: var(--royal-blue);
        color: var(--white);
        text-align: left;
        padding: 15px;
        font-weight: 600;
        text-transform: uppercase;
        font-size: 0.85rem;
        letter-spacing: 0.5px;
    }

    table td {
        padding: 15px;
        border-bottom: 1px solid var(--light-gray);
        vertical-align: middle;
    }

    table tr:hover {
        background-color: var(--hover-light-gray);
    }

    .sni-table td:first-child {
        max-width: 400px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .download-button {
        color: var(--royal-gold);
        text-decoration: none;
        font-weight: bold;
        font-size: 0.9rem;
    }

    .download-button:hover {
        text-decoration: underline;
    }

    section {
        margin-bottom: 50px;
    }

    h2 {
        color: var(--royal-blue);
        border-bottom: 2px solid var(--royal-gold);
        padding-bottom: 8px;
        margin-bottom: 20px;
        font-family: 'Georgia', serif;
    }

    .card {
        background: var(--white);
        padding: 25px;
        border: 1px solid var(--light-gray);
        border-radius: 4px;
        margin-bottom: 20px;
    }

    .pointer {
        color: var(--royal-gold);
        text-decoration: none;
    }

    code {
        background: var(--lighter-light-gray);
        padding: 2px 5px;
        border-radius: 3px;
        font-family: 'Courier New', Courier, monospace;
    }

    .list {
        margin: 20px 0;
        padding-left: 20px;
        list-style-type: none;
    }
    
    .list li {
        position: relative;
        margin-bottom: 12px;
        padding-left: 25px;
        color: var(--gray);
    }
    
    .list li::before {
        content: "•";
        color: var(--royal-gold);
        font-weight: bold;
        position: absolute;
        left: 0;
        font-size: 1.2rem;
        line-height: 1.4;
    }
    
    .list strong {
        color: var(--royal-blue);
    }

    footer {
        background-color: var(--lighter-light-gray);
        color: var(--darker-light-gray);
        text-align: center;
        padding: 30px 10px;
        border-top: 1px solid var(--light-gray);
        font-size: 0.85rem;
    }

    .footer-links {
        margin-top: 10px;
    }

    .footer-links a {
        color: var(--darker-light-gray);
        margin: 0 10px;
        text-decoration: none;
    }

    .footer-links a:hover {
        text-decoration: underline;
    }

}