:root {
    /* Color Palette */
    --primary: #0f172a;
    --secondary: #1e293b;
    --accent: #d4af37; /* Sophisticated Gold */
    --accent-glow: rgba(212, 175, 55, 0.4);
    --bg-dark: #020617;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --container-max: 1200px;
    --section-gap: 80px;
    
    /* Shadows */
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* Reset & Basics */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

.grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 40px;
    align-items: start;
}

/* Header & Nav */
header {
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    transition: all 0.4s ease;
    background: transparent;
    border-bottom: 1px solid var(--glass-border);
}

.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

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

.nav-links {
    list-style: none;
    display: flex;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-accent {
    background: var(--accent);
    padding: 10px 20px;
    border-radius: 10px;
    color: var(--bg-dark) !important;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--accent);
}

.nav-accent:hover {
    background: transparent;
    color: var(--accent) !important;
}

.nav-accent svg {
    margin-bottom: 1px;
}

.logo {
    font-size: 28px;
    letter-spacing: -1px;
    color: var(--text-main);
}

.logo span {
    color: var(--accent);
}

/* Main Content Section */
main {
    flex-grow: 1;
    display: flex;
    align-items: center;
    padding: 100px 0;
}

.main-content {
    width: 100%;
}

/* Info Cards */
.info-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 60px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.info-card:hover {
    border-color: var(--accent-glow);
    transform: translateY(-5px);
}

.secondary-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.info-item.full {
    grid-column: span 2;
}

.info-item.border-top {
    margin-top: 20px;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

.info-item label {
    display: block;
    color: var(--text-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    font-weight: 500;
}

.info-item span {
    font-size: 22px;
    font-weight: 600;
    color: var(--accent);
    display: block;
}

.info-item small {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
    font-weight: 300;
}

/* Sídlo / Address */
.contact-header {
    margin-bottom: 40px;
    color: var(--accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.contact-header h2 {
    font-size: 32px;
    color: var(--text-main);
    letter-spacing: 1px;
}

.address-box p {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-main);
    font-weight: 300;
}

.address-box p:last-child {
    font-weight: 600;
    color: var(--accent);
}

/* Footer style */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

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

.footer-logo { font-size: 24px; }
.footer-legal p { color: var(--text-muted); font-size: 13px; }

/* Responsive */
@media (max-width: 1024px) {
    .grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 768px) {
    .container { padding: 0 25px; }
    .info-card { padding: 40px 25px; }
    .info-grid { grid-template-columns: 1fr; gap: 30px; }
    .info-item.full { grid-column: span 1; }
    .address-box p { font-size: 18px; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}