:root {
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;
    background: #050505;
    font-family: "Noto Sans", "Liberation Sans", Arial, sans-serif;
}

.landing {
    min-height: 100vh;

    background-color: #050505;
    background-image: url("/assets/images/efl-landing-desktop.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.landing-content {
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: 2rem;
}

.landing-spacer {
    /*
     * The approved artwork already contains the EFL identity.
     * This spacer moves ENTER SITE below the central logo area
     * without duplicating branding in HTML.
     */
    height: clamp(15rem, 38vh, 27rem);
}

.enter-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 13rem;

    padding: 1rem 2rem;

    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 2px;

    background: rgba(5, 5, 5, 0.58);

    color: #ffffff;

    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.20em;

    text-decoration: none;

    backdrop-filter: blur(4px);

    transition:
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.enter-button:hover,
.enter-button:focus-visible {
    background: rgba(255, 255, 255, 0.10);
    border-color: #ffffff;
    transform: translateY(-1px);
}

.enter-button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 4px;
}

.visually-hidden {
    position: absolute;

    width: 1px;
    height: 1px;

    padding: 0;
    margin: -1px;

    overflow: hidden;

    clip: rect(0, 0, 0, 0);
    white-space: nowrap;

    border: 0;
}

@media (max-width: 1100px), (max-aspect-ratio: 6/5) {
    .landing {
        background-image: url("/assets/images/efl-landing-mobile.png");
        background-size: contain;
    }

    .landing-content {
        padding: 1.5rem;
    }

    .landing-spacer {
        height: clamp(14rem, 42vh, 24rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .enter-button {
        transition: none;
    }
}
