/* assets/css/visual-tech.css */

:root {
    --bg-core: #050505;
    --bg-card: #0A0A0A;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #FFFFFF;
    --text-muted: #888888;
    
    /* Stracti Orange */
    --accent: #FF3300; 
    
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body.vt-body {
    background-color: var(--bg-core);
    color: var(--text-main);
    font-family: var(--font-sans);
    margin: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.vt-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* --- Nav --- */
.vt-nav {
    padding: 30px 0;
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 100;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.vt-nav-inner { display: flex; justify-content: space-between; align-items: center; }
.vt-brand { font-family: var(--font-display); font-weight: 700; font-size: 20px; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 4px; }
.vt-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.vt-nav-right { display: flex; align-items: center; gap: 40px; }
.vt-link { color: var(--text-muted); text-decoration: none; font-size: 14px; transition: color 0.3s; }
.vt-link:hover { color: #fff; }
.vt-btn-outlined { padding: 10px 24px; border: 1px solid rgba(255,255,255,0.2); border-radius: 100px; color: #fff; text-decoration: none; font-size: 13px; font-weight: 500; transition: all 0.3s; }
.vt-btn-outlined:hover { border-color: #fff; background: #fff; color: #000; }

/* --- Hero Section --- */
.vt-hero { padding: 180px 0 120px; }
.vt-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.vt-hero-badge { font-family: var(--font-mono); font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 30px; }
.vt-title { font-family: var(--font-display); font-size: 5vw; line-height: 0.95; margin: 0 0 40px 0; letter-spacing: -0.03em; }
.vt-serif { font-family: 'Inter', serif; font-weight: 300; color: var(--text-muted); font-style: italic; }
.vt-lead { font-size: 1.1rem; color: var(--text-muted); max-width: 500px; font-weight: 300; margin-bottom: 40px; }
.vt-stat-row { display: flex; gap: 60px; border-top: 1px solid var(--border-color); padding-top: 30px; }
.vt-stat { display: flex; flex-direction: column; }
.vt-val { font-family: var(--font-display); font-size: 32px; font-weight: 500; }
.vt-lbl { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 5px; }

/* --- FAKE VISUAL 1: Hero Monitor --- */
.vt-live-monitor {
    background: #0F0F11;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    font-family: var(--font-mono);
}
.vt-mon-header {
    background: #18181b; padding: 10px 15px; font-size: 10px; color: #666;
    display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border-color);
}
.vt-success { color: #10b981; }
.vt-mon-screen { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #000; }

.vt-bg-layer {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    filter: grayscale(100%) brightness(0.3);
}

.vt-bbox { position: absolute; border: 1px solid; box-shadow: 0 0 10px rgba(0,0,0,0.5); }
.vt-bbox-enemy { border-color: var(--accent); }
.vt-tag-red { position: absolute; top: -18px; left: -1px; background: var(--accent); color: #000; font-size: 9px; font-weight: 700; padding: 2px 4px; }

.vt-bbox-neutral { border-color: #888; }
.vt-tag-gray { position: absolute; top: -18px; left: -1px; background: #888; color: #000; font-size: 9px; font-weight: 700; padding: 2px 4px; }

.vt-overlay-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
}
.vt-scan-sweep {
    position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: var(--accent);
    box-shadow: 0 0 15px var(--accent);
    animation: scanSweep 3s linear infinite;
    opacity: 0.5;
}
@keyframes scanSweep { 0% { top: 0; opacity: 0; } 10% { opacity: 0.6; } 90% { opacity: 0.6; } 100% { top: 100%; opacity: 0; } }

.vt-mon-console { padding: 15px; font-size: 10px; color: #444; border-top: 1px solid var(--border-color); background: #0e0e0e; }
.vt-mon-console span { display: block; margin-bottom: 4px; }
.vt-accent { color: var(--accent); }

/* --- Tech Grid Section --- */
.vt-section { padding: 120px 0; border-top: 1px solid var(--border-color); }
.vt-section-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 60px; }

.vt-tech-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

.vt-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 8px; overflow: hidden; display: flex; flex-direction: column;
    transition: transform 0.2s;
}
.vt-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }

/* --- FAKE VISUALS FOR CARDS --- */
.vt-card-visual { height: 200px; background: #000; position: relative; overflow: hidden; border-bottom: 1px solid var(--border-color); }
.vt-mini-screen { width: 100%; height: 100%; background-size: cover; background-position: center; position: relative; filter: grayscale(100%) brightness(0.5); }

/* Mini YOLO */
.vt-mini-bbox { position: absolute; border: 1px solid; }
.vt-mini-label { position: absolute; top: -14px; left: -1px; color: #000; font-size: 8px; font-weight: bold; padding: 1px 3px; font-family: var(--font-mono); }

/* Mini Match */
.vt-search-area { position: absolute; border: 1px dashed rgba(255,255,255,0.2); }
.vt-mini-match { position: absolute; width: 30px; height: 30px; border: 1px solid #10b981; box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); }
.vt-match-crosshair { position: absolute; top: 50%; left: 50%; width: 4px; height: 4px; background: #10b981; transform: translate(-50%, -50%); }
.vt-match-tag { position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%); font-size: 8px; color: #10b981; font-family: var(--font-mono); white-space: nowrap; font-weight: bold; }

/* Mini OCR */
.vt-ocr-text-line { position: absolute; color: #666; font-family: sans-serif; font-size: 14px; font-weight: bold; }
.vt-ocr-highlight { color: #fff; background: rgba(59, 130, 246, 0.3); }
.vt-ocr-data-popup {
    position: absolute; top: 30%; left: 50%; background: #000; border: 1px solid #3b82f6; padding: 4px 8px;
    font-family: var(--font-mono); font-size: 10px; color: #3b82f6;
    animation: floatUp 2s infinite;
}
@keyframes floatUp { 0% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(-5px); opacity: 1; } 100% { transform: translateY(-10px); opacity: 0; } }


.vt-card-content { padding: 30px; flex: 1; display: flex; flex-direction: column; }
.vt-card h3 { font-family: var(--font-display); font-size: 20px; margin: 0 0 15px 0; }
.vt-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 30px; line-height: 1.6; }

.vt-tag-row { margin-top: auto; display: flex; gap: 8px; }
.vt-tag-row span { font-size: 10px; border: 1px solid var(--border-color); padding: 4px 8px; border-radius: 100px; color: var(--text-muted); }

/* --- Logic Layer --- */
.vt-darker { background: #020202; }
.vt-split { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.vt-split h2 { font-family: var(--font-display); font-size: 3rem; margin-bottom: 30px; line-height: 1; }
.vt-split p { color: var(--text-muted); margin-bottom: 30px; }
.vt-list { list-style: none; padding: 0; border-top: 1px solid var(--border-color); }
.vt-list li { padding: 15px 0; border-bottom: 1px solid var(--border-color); color: var(--text-muted); font-size: 14px; }
.vt-list strong { color: #fff; margin-right: 8px; }

/* FAKE VISUAL 4: Node Flow */
.vt-logic-visual {
    display: flex; flex-direction: column; align-items: center; gap: 20px;
    font-family: var(--font-mono); font-size: 12px; color: #fff;
}
.vt-node {
    width: 200px; padding: 15px; background: #111; border: 1px solid var(--border-color);
    text-align: center; border-radius: 6px; position: relative;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.vt-node-icon i { color: var(--accent); font-size: 16px; }
.vt-node-dot { width: 8px; height: 8px; background: #555; border-radius: 50%; }
.vt-node-dot.success { background: #10b981; box-shadow: 0 0 5px #10b981; }

.vt-flow-line { width: 1px; height: 30px; background: var(--border-color); position: relative; }
.vt-flow-line::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%;
    background: var(--accent); animation: flowDown 1.5s infinite;
}
@keyframes flowDown { 0% { top: 0; height: 0; opacity: 0; } 50% { opacity: 1; } 100% { top: 100%; height: 0; opacity: 0; } }

/* --- Footer --- */
.vt-footer { padding: 120px 0; border-top: 1px solid var(--border-color); }
.vt-cta-wrapper { margin-bottom: 80px; }
.vt-cta-wrapper h2 { font-family: var(--font-display); font-size: 14px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 20px; }
.vt-big-link { font-family: var(--font-display); font-size: 60px; text-decoration: none; color: #fff; font-weight: 500; display: inline-flex; align-items: center; gap: 30px; transition: gap 0.3s; }
.vt-big-link i { font-size: 40px; color: var(--accent); }
.vt-big-link:hover { gap: 50px; }
.vt-footer-bottom { display: flex; justify-content: space-between; font-size: 14px; color: var(--text-muted); }
.vt-footer-links a { color: var(--text-muted); text-decoration: none; margin-left: 20px; }
.vt-footer-links a:hover { color: #fff; }

/* Responsive */
@media (max-width: 900px) {
    .vt-hero-grid, .vt-tech-grid, .vt-split { grid-template-columns: 1fr; }
    .vt-title { font-size: 3.5rem; }
    .vt-big-link { font-size: 40px; }
}