:root {
    --bg-color: #272727;
    --card-bg: #3a3a3a;
    --border-color: #828282;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --accent: #ffffff;
    --transition-speed: 0.6s;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: "Gotham SSm A", "Gotham SSm B", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 960px;
    padding: 40px 20px;
    text-align: center;
}

/* Carousel Header */
.carousel-section {
    margin-bottom: 60px;
    position: relative;
}

#current-lang-label {
    font-size: 17px;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--text-main);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    padding: 4px;
    position: absolute;
    top: 10px;
    right: 10px;
    transition: 0.2s ease;
}

.control-btn svg {
    fill: var(--text-main);
    transition: fill 0.2s ease;
}

.control-btn:hover {
    border-color: var(--text-muted);
}

.control-btn:hover svg {
    fill: var(--text-muted);
}

.message-container {
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#main-message {
    text-align: center;
    font-size: 24px;
    font-weight: 400;
    max-width: 600px;
    transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.fade-out {
    opacity: 0;
    transform: translateY(10px);
}

#dots-container {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.dot {
    width: 4px;
    height: 4px;
    background-color: var(--text-muted);
    border-radius: 50%;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.dot.active {
    background-color: var(--text-main);
    transform: scale(1.2);
}

/* Grid Layout */
.lang-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
}

.grid-item {
    padding: 30px;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    font-weight: 300;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.grid-item:hover {
    background-color: #333;
}

.grid-item.active {
    background-color: var(--card-bg);
}

.grid-item h3 {
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--text-main);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.grid-item p {
    font-size: 16px;
    color: var(--text-main);
    opacity: 0.8;
}

/* Footer */
footer {
    margin-top: 80px;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hidden {
    display: none;
}

@media (max-width: 600px) {
    .lang-grid {
        grid-template-columns: 1fr;
    }
}