.logo-img {
    height: 45px;
    width: auto;
    display: block;
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.15)); /* Ladí s tyrkysovou --accent-teal */
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.03);
    filter: drop-shadow(0 0 12px rgba(0, 242, 254, 0.3));
}


        /* High-tech color palette and architecture variables */
        :root {
            --bg-dark: #0B0F19;       /* Deep polar black */
            --bg-card: #131A26;       /* Titanium/metallic container tone */
            --text-silver: #E2E8F0;   /* Clean aircraft-grade silver */
            --text-dim: #94A3B8;      /* Muted technical gray for descriptions */
            --accent-teal: #00F2FE;   /* Cyber/laser electric teal */
            --grid-line: rgba(0, 242, 254, 0.04);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-dark);
            color: var(--text-silver);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            /* Technical telemetry grid background */
            background-image: 
                linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
                linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        /* Discretional Navigation */
        header {
            width: 100%;
            padding: 30px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(226, 232, 240, 0.05);
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        /* Minimalist Vector Logo Asset */
        .logo-icon {
            width: 35px;
            height: 35px;
            border: 2px solid var(--accent-teal);
            transform: rotate(45deg);
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .logo-icon::before {
            content: '';
            width: 50%;
            height: 50%;
            background-color: var(--accent-teal);
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: 0.35em;
            color: #ffffff;
        }

        nav a {
            color: var(--text-dim);
            text-decoration: none;
            font-size: 0.9rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            transition: color 0.3s ease;
        }

        nav a:hover {
            color: var(--accent-teal);
        }

        /* Tactical Command Interface (H Section) */
        .hero {
            min-height: 85vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            padding: 50px 10%;
            position: relative;
        }

        .hero-status {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.3em;
            color: var(--accent-teal);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-status::before {
            content: '';
            width: 8px;
            height: 8px;
            background-color: var(--accent-teal);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px var(--accent-teal);
        }

        h1 {
            font-size: 3.5rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 25px;
            max-width: 850px;
            color: #ffffff;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--text-dim);
            max-width: 650px;
            margin-bottom: 40px;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 35px;
            border: 1px solid var(--accent-teal);
            color: #ffffff;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            font-size: 0.85rem;
            font-weight: 700;
            background: transparent;
            transition: all 0.3s ease;
            border-radius: 0;
        }

        .cta-button:hover {
            background-color: var(--accent-teal);
            color: var(--bg-dark);
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.4);
            cursor: pointer;
        }

        /* Strategic Infrastructure Pillars */
        .services {
            padding: 100px 10%;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            background-color: rgba(11, 15, 25, 0.8);
        }

        .card {
            background-color: var(--bg-card);
            border: 1px solid rgba(226, 232, 240, 0.03);
            padding: 40px;
            transition: border 0.3s ease;
        }

        .card:hover {
            border-color: rgba(0, 242, 254, 0.3);
        }

        .card-num {
            font-size: 0.8rem;
            color: var(--accent-teal);
            font-family: monospace;
            margin-bottom: 20px;
            display: block;
        }

        .card h3 {
            font-size: 1.4rem;
            color: #ffffff;
            margin-bottom: 15px;
            letter-spacing: 0.05em;
        }

        .card p {
            color: var(--text-dim);
            font-size: 0.95rem;
        }

        /* Hardened Footer */
        footer {
            padding: 40px 10%;
            border-top: 1px solid rgba(226, 232, 240, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-dim);
            font-family: monospace;
        }




html {
    scroll-behavior: smooth; /* Plynulý posun stránky */
}

.contact-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid rgba(226, 232, 240, 0.1);
    color: var(--text-silver);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group textarea {
    resize: vertical;
    font-family: sans-serif;
}


        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            .hero { padding: 40px 5%; }
            .services { padding: 60px 5%; }
            footer { flex-direction: column; gap: 20px; text-align: center; }
        }

body {
    background-color: var(--bg-dark);
    color: var(--text-silver);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Přidání svítícího radarového gradientu do pozadí */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    animation: pulseRadar 10s infinite linear;
}

@keyframes pulseRadar {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}



.card {
    background-color: rgba(19, 26, 38, 0.6); /* Poloprůhledné pozadí */
    backdrop-filter: blur(10px);              /* Rozmazání pozadí za kartou */
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 242, 254, 0.08); /* Jemný tyrkysový lem */
    padding: 40px;
    border-radius: 8px;                       /* Mírně zaoblené rohy pro moderní vzhled */
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

/* Svítící linka na horním okraji karty při najetí myší */
.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-teal), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.card:hover::after {
    transform: translateX(100%);
}

.card:hover {
    border-color: rgba(0, 242, 254, 0.4);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.05);
    transform: translateY(-5px);
}

.cta-button {
    display: inline-block;
    padding: 15px 35px;
    border: 1px solid var(--accent-teal);
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    font-weight: 700;
    background: rgba(0, 242, 254, 0.02);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 4px;
    position: relative;
}

.cta-button:hover {
    background-color: var(--accent-teal);
    color: var(--bg-dark);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.6);
    letter-spacing: 0.25em; /* Tlačítko se při najetí myší elegantně roztáhne */
}

/* Styly pro vstupní pole formuláře */
.form-group input, 
.form-group textarea {
    border-radius: 4px;
    background: rgba(19, 26, 38, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.08);
}

.hero-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--accent-teal);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--accent-teal);
    animation: telemetryBlink 1.5s infinite alternate;
}

@keyframes telemetryBlink {
    0% {
        transform: scale(0.9);
        opacity: 0.4;
        box-shadow: 0 0 4px var(--accent-teal);
    }
    100% {
        transform: scale(1.1);
        opacity: 1;
        box-shadow: 0 0 14px var(--accent-teal);
    }
}

table th, table td {
    white-space: nowrap;
}
table tbody tr:hover {
    background-color: rgba(0, 242, 254, 0.02) !important;
    transition: background-color 0.2s ease;
}



/* ==========================================================================
   FLIGHT MATRIX SUB-INTERFACE (SHARED ARCHITECTURE)
   ========================================================================== */

.flights-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.filter-nav {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    font-family: monospace;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(226, 232, 240, 0.1);
    color: var(--text-dim);
    padding: 8px 16px;
    font-size: 0.8rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.filter-btn.active, .filter-btn:hover {
    border-color: var(--accent-teal);
    color: #ffffff;
    background: rgba(0, 242, 254, 0.03);
}

.flight-table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: 4px;
}

.flight-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.flight-table th {
    padding: 18px 15px;
    font-family: monospace;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    border-bottom: 1px solid rgba(226, 232, 240, 0.1);
}

.flight-table td {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.03);
    color: var(--text-silver);
    white-space: nowrap;
}

.flight-table tbody tr {
    transition: background-color 0.2s ease;
}

.flight-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.01) !important;
}

.tech-id {
    font-family: monospace;
    font-weight: bold;
    color: #ffffff !important;
}

.tech-config {
    font-family: monospace;
    font-size: 0.85rem;
}

.status-badge {
    padding: 4px 10px;
    font-size: 0.75rem;
    font-family: monospace;
    border-radius: 3px;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.status-active {
    background: rgba(0, 242, 254, 0.08);
    color: var(--accent-teal);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.status-review {
    background: rgba(243, 208, 140, 0.08);
    color: #f3d08c;
    border: 1px solid rgba(243, 208, 140, 0.2);
}

@media (max-width: 768px) {
    .flight-table th, .flight-table td { padding: 12px 10px; font-size: 0.85rem; }
    .filter-nav { flex-direction: column; gap: 8px; width: 100%; }
    .filter-btn { width: 100%; text-align: left; }
}