:root {
    --bg: #000000;
    --green: #00ff66;
    --green-dim: rgba(0,255,102,0.35);
    --green-dimmer: rgba(0,255,102,0.18);
    --text: rgba(0,255,102,0.92);
    --mono: 'IBM Plex Mono', 'Courier New', monospace;
    --terminal: 'VT323', 'IBM Plex Mono', monospace;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--terminal);
    font-size: 18px;
}

/* Subtle terminal glow + scanlines */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(0,255,102,0.08), transparent 55%), repeating-linear-gradient( to bottom, rgba(255,255,255,0.03), rgba(255,255,255,0.03) 1px, transparent 1px, transparent 3px );
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.45;
}

/* Navbar Logo */
.nav-logo {
    width: 35px;
    height: 35px;
    margin-right: 12px;
    vertical-align: middle;
    filter: drop-shadow(0 0 8px rgba(0,255,102,0.4));
    animation: nav-spin 6s ease-in-out infinite;
}

@keyframes nav-spin {
    0% { transform: rotate(0deg); }
    12% { transform: rotate(360deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation Bar */
.navbar {
    background: var(--bg);
    border-bottom: 2px solid var(--green);
    padding: 0;
    box-shadow: 0 2px 12px rgba(0,255,102,0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-family: var(--terminal);
    font-size: 1.8rem;
    color: var(--green);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-shadow: 0 0 20px rgba(0,255,102,0.4);
    transition: text-shadow 0.3s ease;
}

.nav-brand:hover {
    text-shadow: 0 0 30px rgba(0,255,102,0.6);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-family: var(--terminal);
    color: rgba(0,255,102,0.8);
    text-decoration: none;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    padding: 8px 16px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--green);
    border: 1px solid var(--green-dimmer);
    background: rgba(0,255,102,0.05);
    box-shadow: 0 0 15px rgba(0,255,102,0.2);
}

.nav-links a.active {
    color: var(--green);
    border: 1px solid var(--green-dim);
    background: rgba(0,255,102,0.08);
}

/* Apache-style container */
.apache-container {
    max-width: 1200px;
    margin: 100px auto 40px;
    padding: 20px;
    font-family: var(--terminal);
}

.apache-container h1 {
    font-size: 1.6rem;
    font-weight: normal;
    margin: 0 0 10px 0;
    color: var(--green);
    letter-spacing: 0.05em;
}

.apache-container hr {
    border: none;
    border-top: 1px solid var(--green-dimmer);
    margin: 10px 0;
    opacity: 0.6;
}

.file-list {
    margin: 0;
    font-family: var(--terminal);
    font-size: 1.2rem;
    line-height: 1.8;
    overflow-x: auto;
    padding-bottom: 8px;
}

.file-list a {
    color: var(--green);
    text-decoration: none;
    transition: all 0.2s ease;
}

.file-list a:visited {
    color: rgba(0,255,102,0.8);
}

.file-list a:hover {
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(0,255,102,0.5);
}

.file-date, .file-size {
    color: rgba(0,255,102,0.5);
}

address {
    font-style: normal;
    font-size: 0.95rem;
    color: rgba(0,255,102,0.6);
    margin-top: 10px;
    font-family: var(--terminal);
    letter-spacing: 0.02em;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    display: none;
    opacity: 0;
}

.modal-content {
    position: relative;
    max-width: 900px;
    width: 100%;
    background: var(--bg);
    border: 2px solid var(--green);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 0 40px rgba(0,255,102,0.4), inset 0 0 30px rgba(0,255,102,0.05);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: 1px solid var(--green);
    color: var(--green);
    padding: 8px 16px;
    font-family: var(--terminal);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
    z-index: 20;
}

.close-btn:hover {
    background: var(--green);
    color: var(--bg);
    box-shadow: 0 0 20px rgba(0,255,102,0.5);
}

/* Dial-up Loading Effect */
.static-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg);
    z-index: 10;
    display: none;
    align-items: center;
    justify-content: center;
    font-family: var(--terminal);
    font-size: 1.5rem;
    color: var(--green);
    letter-spacing: 0.1em;
}

.static-overlay.active {
    display: flex;
}

/* Sponsor Content */
.sponsor-content {
    text-align: center;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.5s ease;
    position: relative;
    z-index: 1;
    margin-top: 0;
    padding-top: 50px;
}

.sponsor-content.visible {
    opacity: 1;
    transform: scale(1);
}

.sponsor-content img {
    max-width: min(400px, 85vw);
    width: auto;
    height: auto;
    max-height: 160px;
    object-fit: contain;
    margin: 0 auto 30px;
    display: block;
    padding: 15px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--green-dimmer);
    border-radius: 8px;
    filter: drop-shadow(0 0 20px rgba(0,255,102,0.3));
}

.sponsor-info {
    font-family: var(--terminal);
    color: var(--text);
    font-size: 1.2rem;
    line-height: 1.7;
    text-align: left;
    padding: 20px;
    border: 1px solid var(--green-dimmer);
    border-radius: 6px;
    background: rgba(0,255,102,0.03);
}

.sponsor-info h2 {
    color: var(--green);
    font-size: 1.8rem;
    margin-top: 0;
    margin-bottom: 20px;
    letter-spacing: 0.08em;
    text-shadow: 0 0 15px rgba(0,255,102,0.3);
}

.sponsor-info p {
    margin: 15px 0;
    color: rgba(0,255,102,0.85);
    letter-spacing: 0.02em;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 16px;
        padding: 12px 16px;
    }

    .nav-brand {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 6px 12px;
    }

    .apache-container {
        padding: 15px;
        margin: 80px auto 20px;
    }

    .apache-container h1 {
        font-size: 1.3rem;
    }

    .file-list {
        font-size: 1rem;
    }

    .modal-content {
        padding: 25px 20px;
    }

    .sponsor-content img {
        max-width: min(320px, 90vw);
        max-height: 160px;
        padding: 12px;
    }

    .sponsor-info {
        font-size: 1.1rem;
        padding: 15px;
    }

    .sponsor-info h2 {
        font-size: 1.5rem;
    }

    .static-overlay {
        font-size: 1.2rem;
    }
}

@media (max-width: 520px) {
    .modal-content {
        padding: 20px 16px;
    }

    .sponsor-content img {
        max-height: 140px;
        max-width: min(300px, 90vw);
        margin-bottom: 20px;
        padding: 12px;
    }

    .apache-container h1 {
        font-size: 1.1rem;
    }

    .file-list {
        font-size: 0.95rem;
    }

    .sponsor-info {
        font-size: 1rem;
    }
}