html,
body {
    height: 100%;
    margin: 0;
}

body {
    background: #000 url('back.png') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    color: #fdfdfd;
    font-family: 'Segoe UI', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body:not(.has-started) .info-card {
    opacity: 0;
    transform: translateY(40px);
    pointer-events: none;
}

body.has-started .card-section.active .info-card {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.card-sections {
    flex: 1;
}

.card-section {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: clamp(2rem, 5vw, 4rem) 1.5rem;
}

.info-card {
    width: min(520px, 100%);
    padding: clamp(1.75rem, 4vw, 2.5rem);
    border-radius: 18px;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(7px);
    text-align: center;
    font-size: clamp(1.25rem, 4vw, 2rem);
    line-height: 1.5;
    letter-spacing: 0.02em;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    pointer-events: none;
}

.card-section.active .info-card {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
    .info-card {
        transition: opacity 0.2s linear;
        transform: none;
    }
}

.menu-list {
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
    font-size: clamp(1rem, 3.2vw, 1.2rem);
    text-align: left;
}

.menu-list li {
    padding: 0.55rem 0.9rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
}

.menu-item {
    font-weight: 600;
    display: block;
    margin-bottom: 0.15rem;
}

.menu-desc {
    margin: 0;
    font-size: clamp(0.9rem, 2.8vw, 1rem);
    line-height: 1.4;
    color: rgba(253, 253, 253, 0.88);
}