:root {
    --bg-color: #000000;
    --card-bg: #0a0a0a;
    /* Ta správná Everproduction zelená */
    --accent-color: rgba(126,217,87,.8); 
    --text-main: #ffffff;
    --text-dim: #888888;
    --border: #1a1a1a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 2px;
}

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

/* Hero */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.hero p {
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
}

/* File Grid */
.file-viewer {
    padding: 40px 0;
}

.file-viewer h2, .faq h2 {
    margin-bottom: 30px;
    font-size: 1.5rem;
    border-left: 3px solid var(--accent-color);
    padding-left: 15px;
}

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.file-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

.file-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-right: 20px;
}

.file-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.file-info p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* FAQ */
.faq {
    padding: 60px 0 100px;
}

.faq-container {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
}

details {
    border-bottom: 1px solid var(--border);
}

summary {
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::after {
    content: '+';
    color: var(--accent-color);
    font-size: 1.5rem;
}

details[open] summary::after {
    content: '-';
}

details p {
    padding: 0 20px 20px;
    color: var(--text-dim);
}

footer {
    text-align: center;
    padding: 40px;
    font-size: 0.8rem;
    color: var(--text-dim);
    border-top: 1px solid var(--border);
}

/* Contact Section */
.contact {
    padding: 60px 0;
    border-top: 1px solid var(--border);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.contact-card {
    text-align: left;
}

.contact-card i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: block;
}

.contact-card p {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 5px;
}

.contact-card a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: color 0.2s;
}

.contact-card a:hover {
    color: var(--accent-color);
}

/* ... tvůj původní základ zůstává, přidávám/upravuji tyto části ... */

:root {
    --bg-color: #050505;
    --card-bg: #0f0f0f;
    --accent-color: rgba(126,217,87, 1); /* Plná barva pro text */
    --accent-muted: rgba(126,217,87, 0.1); 
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
    --border: #222222;
}

/* Vymoženost: Animace vstupu */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Úprava navbaru pro přepínač jazyků */
.flex-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lang-switch-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: bold;
    border: 1px solid var(--border);
    padding: 5px 10px;
    border-radius: 5px;
    transition: 0.3s;
}

.lang-switch-link:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Styl pro index.html (Language Selection) */
.lang-selection {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.selection-container h1 {
    margin: 20px 0 40px;
    font-size: 1.5rem;
    color: var(--text-dim);
}

.lang-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-lang {
    padding: 15px 40px;
    border: 1px solid var(--border);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.4s;
    background: linear-gradient(145deg, #0f0f0f, #050505);
}

.btn-lang:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-muted);
    transform: scale(1.05);
}

/* Vylepšení karet dokumentů */
.file-card {
    position: relative;
    overflow: hidden;
}

.file-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.file-card:hover::before {
    transform: scaleX(1);
}

.lang-btn {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}