/* SEO FLASH - Master Production Style
   Optimalizované pre: Rýchlosť, GEO sémantiku a Technickú autoritu
*/

:root {
    --accent: #00f3ff;
    --bg-pure: #050505;
    --bg-card: #0d1117;
    --border: rgba(48, 54, 61, 0.5);
    --text-main: #f0f6fc;
    --text-muted: #8b949e;
    --glow: 0 0 30px rgba(0, 243, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET & CORE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body { 
    background-color: var(--bg-pure); 
    color: var(--text-main); 
    font-family: 'Inter', -apple-system, sans-serif; 
    line-height: 1.6; 
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* NAVIGATION */
header { 
    padding: 15px 0; 
    border-bottom: 1px solid var(--border); 
    background: rgba(5, 5, 5, 0.85); 
    backdrop-filter: blur(15px); 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
}

.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

.logo { 
    font-size: 1.4rem; 
    font-weight: 800; 
    text-decoration: none; 
    color: #fff; 
    letter-spacing: -1px; 
}
.logo span { color: var(--accent); }

.nav-links { display: flex; align-items: center; }
.nav-links a { 
    color: var(--text-muted); 
    text-decoration: none; 
    margin-left: 20px; 
    font-size: 0.75rem; 
    font-weight: 600; 
    text-transform: uppercase; 
    transition: var(--transition); 
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

.nav-cta { 
    border: 1px solid var(--accent); 
    padding: 8px 15px; 
    border-radius: 4px; 
    color: var(--accent) !important; 
}

/* TICKER */
.ticker { border-bottom: 1px solid var(--border); padding: 8px 0; overflow: hidden; background: rgba(0, 243, 255, 0.02); }
.ticker-content { 
    display: inline-block; 
    white-space: nowrap; 
    animation: scroll 60s linear infinite; 
    font-family: 'JetBrains Mono', monospace; 
    font-size: 0.65rem; 
    color: var(--accent); 
}
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* HERO */
.hero { padding: 80px 0 40px; text-align: center; }
h1 { font-size: clamp(2.2rem, 7vw, 4.5rem); line-height: 1.1; font-weight: 800; letter-spacing: -2px; margin-bottom: 20px; }
.hero p { color: var(--text-muted); font-size: 1.1rem; max-width: 700px; margin: 0 auto 30px; }

.count-box { font-size: 2rem; color: var(--accent); font-weight: 700; font-family: 'JetBrains Mono', monospace; margin-bottom: 5px; }
.count-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); }

/* SECTIONS & GRID */
.section-label { 
    color: var(--accent); 
    font-family: 'JetBrains Mono'; 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    display: block; 
    margin: 60px 0 25px; 
    text-align: center; 
    opacity: 0.8; 
}

.knowledge-map { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 15px; 
}

.node { 
    background: var(--bg-card); 
    border: 1px solid var(--border); 
    padding: 25px; 
    border-radius: 16px; 
    text-decoration: none; 
    transition: var(--transition); 
    display: block;
}

.node:hover { 
    border-color: var(--accent); 
    box-shadow: var(--glow); 
    background: rgba(0, 243, 255, 0.04); 
    transform: translateY(-2px);
}

.node h2 { margin: 0 0 8px 0; font-size: 1rem; color: #fff; letter-spacing: -0.5px; }
.node p { margin: 0; font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

/* FOOTER */
footer { border-top: 1px solid var(--border); padding: 60px 0 40px; margin-top: 100px; background: #080808; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 40px; }
.footer-col h2 { color: var(--accent); margin-bottom: 20px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; }
.footer-col a { color: var(--text-muted); text-decoration: none; display: block; margin-bottom: 10px; font-size: 0.85rem; transition: 0.2s; }
.footer-col a:hover { color: #fff; }

.footer-bottom { 
    text-align: center; margin-top: 60px; padding-top: 30px; border-top: 1px solid var(--border);
    color: #444; font-size: 0.65rem; font-family: 'JetBrains Mono'; letter-spacing: 1px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links a:not(.nav-cta) { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    h1 { font-size: 2.5rem; }
}