:root {
    --bg-color: #cbd5e1;
    --border-color: #1e293b;
    --panel-bg: #f8fafc;
    --primary-blue: #3b82f6;
    --dark-blue: #1e3a8a;
    --text-main: #0f172a;
    --muted: #475569;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Courier New", Courier, monospace;
}

body {
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 20px;
}

a {
    color: inherit;
}

.container {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.retro-box {
    background-color: var(--panel-bg);
    border: 4px solid var(--border-color);
    box-shadow: 6px 6px 0 var(--border-color);
    padding: 15px;
}

.title {
    text-align: center;
    font-size: clamp(1.25rem, 5vw, 1.5rem);
    font-weight: 900;
    color: var(--dark-blue);
    margin-bottom: 5px;
    letter-spacing: 2px;
}

.subtitle {
    text-align: center;
    font-size: .8rem;
    margin-bottom: 15px;
}

.nav-menu {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.nav-btn {
    background: var(--panel-bg);
    border: 3px solid var(--border-color);
    color: var(--dark-blue);
    padding: 9px 5px;
    font-size: .78rem;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    box-shadow: 3px 3px 0 var(--border-color);
    transition: transform .1s, box-shadow .1s, background-color .1s, color .1s;
}

.nav-btn:hover {
    background: #e2e8f0;
}

.nav-btn:active,
.nav-btn.active {
    box-shadow: 0 0 0 var(--border-color);
    transform: translate(3px, 3px);
    background: var(--primary-blue);
    color: white;
}

.grid-display {
    min-height: 220px;
    position: relative;
    background-image:
        linear-gradient(var(--bg-color) 2px, transparent 2px),
        linear-gradient(90deg, var(--bg-color) 2px, transparent 2px);
    background-size: 40px 40px;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
}

.grid-content {
    background: var(--panel-bg);
    border: 2px solid var(--border-color);
    padding: 15px;
    font-weight: bold;
    color: var(--dark-blue);
    line-height: 1.6;
    max-width: 100%;
}

.status {
    display: inline-block;
    margin-bottom: 8px;
}

.status::before {
    content: "● ";
    color: #16a34a;
}

.btn {
    background: var(--primary-blue);
    color: var(--panel-bg);
    border: 4px solid var(--border-color);
    box-shadow: 4px 4px 0 var(--border-color);
    padding: 15px 10px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    display: block;
    transition: transform .1s, box-shadow .1s;
}

.btn:hover {
    filter: brightness(1.05);
}

.btn:active {
    box-shadow: 0 0 0 var(--border-color);
    transform: translate(4px, 4px);
}

.btn.secondary {
    background: var(--dark-blue);
}

.console,
.content-box,
.contact-info {
    font-size: .9rem;
    line-height: 1.6;
}

.service-list,
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-card,
.contact-item {
    background: var(--panel-bg);
    border: 2px solid var(--border-color);
    padding: 12px;
}

.service-card h3 {
    color: var(--dark-blue);
    font-size: 1rem;
    margin-bottom: 5px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 4px;
}

.service-card p {
    font-size: .85rem;
}

.content-box p {
    margin-bottom: 12px;
}

.content-box p:last-child {
    margin-bottom: 0;
}

.section-label {
    font-weight: bold;
    color: var(--dark-blue);
    margin-bottom: 10px;
}

.contact-item {
    font-weight: bold;
}

.contact-item a {
    color: var(--dark-blue);
    text-decoration: none;
    overflow-wrap: anywhere;
}

.contact-item a:hover {
    text-decoration: underline;
}

.note {
    font-size: .8rem;
    color: var(--muted);
    margin-top: 2px;
}

@media (max-width: 520px) {
    body {
        padding: 12px;
    }

    .retro-box {
        box-shadow: 4px 4px 0 var(--border-color);
        border-width: 3px;
        padding: 12px;
    }

    .nav-menu {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-btn {
        font-size: .75rem;
    }

    .grid-display {
        min-height: 200px;
        padding: 12px;
    }

    .grid-content {
        font-size: .8rem;
    }

    .btn {
        border-width: 3px;
        box-shadow: 3px 3px 0 var(--border-color);
        font-size: .9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}