*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.edu-board {
    margin: 0;
    min-height: 100vh;
    color: var(--edu-ink);
    font-family: var(--font-sans);
    background-color: var(--edu-bg);
    background: var(--page-body-background);
}

body.mobile-nav-open,
body.results-map-open {
    overflow: hidden;
}

a,
button,
summary,
select,
input {
    transition:
        border-color var(--motion-base),
        box-shadow var(--motion-base),
        background-color var(--motion-base),
        color var(--motion-base),
        transform var(--motion-base);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
select:focus-visible,
input:focus-visible {
    outline: none;
    box-shadow: var(--edu-focus-ring);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes landing-rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes surface-enter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroFloat {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -14px, 0);
    }
}

@keyframes heroCardDrift {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -10px, 0);
    }
}

@keyframes shimmerLane {
    0%,
    100% {
        opacity: 0.72;
        transform: translateX(0);
    }
    50% {
        opacity: 1;
        transform: translateX(6px);
    }
}