:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --bg-color: #F3F4F6;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --card-bg: #FFFFFF;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at top right, #e0e7ff 0%, transparent 40%),
                      radial-gradient(circle at bottom left, #dbeafe 0%, transparent 40%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-main);
    overflow-x: hidden;
}

.gateway-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
    padding: 2rem;
    width: 100%;
}

.mascot-wrapper {
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.floating-mascot {
    animation: float 4s ease-in-out infinite;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.gateway-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.2;
}

.gateway-title .subtitle {
    display: block;
    font-size: 1.5rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-top: 0.5rem;
}

.cards-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    align-items: center;
}

@media (min-width: 768px) {
    .cards-grid {
        flex-direction: row;
        justify-content: center;
        align-items: stretch;
    }
}

.language-card {
    background: var(--card-bg);
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    padding: 3rem 2rem;
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
    color: var(--text-main);
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.active-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: var(--primary-color);
}

.active-card:hover .select-btn {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.disabled-card {
    opacity: 0.65;
    background: #f9fafb;
    cursor: not-allowed;
}

.grayscale {
    filter: grayscale(100%);
    opacity: 0.7;
}

.coming-soon-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-main);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-weight: 800;
    font-size: 0.85rem;
    white-space: nowrap;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.flag-icon {
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}

.active-card:hover .flag-icon {
    transform: scale(1.1) rotate(5deg);
}

.language-card h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.language-card p {
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.select-btn {
    margin-top: auto;
    padding: 0.8rem 2rem;
    border-radius: 100px;
    font-weight: 800;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.active-card .select-btn {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.disabled-btn {
    background: #E5E7EB;
    color: #9CA3AF;
}