/* --- SYSTEM_NODE: VISUAL_CORE --- */
/* --- SYSTEM_NODE: TYPOGRAPHY_STACK --- */

:root {
    --bg-deep: #020617;
    --bg-card: rgba(15, 23, 42, 0.4);
    --accent-blue: #2563eb;
    --accent-indigo: #4f46e5;
    --accent-emerald: #10b981;
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(12px);
    --glow-blue: rgba(37, 99, 235, 0.25);
    --glow-indigo: rgba(79, 70, 229, 0.16);
    --font-main: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --ease-industrial: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    background-color: var(--bg-deep);
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: #1e293b;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

.glass-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: transform 0.6s var(--ease-industrial), border-color 0.6s var(--ease-industrial), box-shadow 0.6s var(--ease-industrial);
    will-change: transform, border-color;
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.5), 0 0 20px var(--glow-blue);
}

.nav-link {
    border-radius: 10px;
    padding: 0.55rem 1rem;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.3em;
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.4s var(--ease-industrial), background-color 0.4s var(--ease-industrial);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.03);
    color: #ffffff;
}

.nav-link.active {
    color: var(--accent-blue);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--ease-industrial), transform 0.8s var(--ease-industrial);
    transition-delay: var(--reveal-delay, 0ms);
    pointer-events: none;
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.text-glow {
    text-shadow: 0 0 30px var(--glow-blue);
}

.text-glow-blue {
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.3);
    color: var(--bg-deep);
    cursor: pointer;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.2em;
    padding: 1rem 2rem;
    text-transform: uppercase;
    transition: transform 0.4s var(--ease-industrial), box-shadow 0.4s var(--ease-industrial), background-color 0.4s var(--ease-industrial), color 0.4s var(--ease-industrial);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    background: var(--accent-blue);
    box-shadow: 0 20px 40px -10px var(--glow-blue);
    color: #ffffff;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 6px 12px;
    text-transform: uppercase;
}

.badge-modern {
    border: 1px solid #1e293b;
    border-radius: 0.375rem;
    background: #0f172a;
    color: #94a3b8;
    display: inline-flex;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.18em;
    padding: 0.25rem 0.75rem;
    text-transform: uppercase;
    transition: border-color 0.4s var(--ease-industrial), color 0.4s var(--ease-industrial);
}

.group:hover .badge-modern {
    border-color: rgba(59, 130, 246, 0.3);
    color: #ffffff;
}

.terminal-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.1);
}

.quote-mark {
    font-family: Georgia, serif;
}

.scanline::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 20;
    pointer-events: none;
    background: linear-gradient(to bottom, transparent 50%, rgba(15, 23, 42, 0.1) 50%);
    background-size: 100% 4px;
}

input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #020617 inset !important;
    -webkit-text-fill-color: #f8fafc !important;
}

@media (max-width: 1024px) {
    .glass-card {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 3.5rem !important;
    }

    .btn-primary {
        width: 100%;
    }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    * {
        -webkit-font-smoothing: antialiased;
    }
}