:root {
    color-scheme: light;
    --color-ink: #172033;
    --color-muted: #667085;
    --color-paper: #ffffff;
    --color-canvas: #f4f7fc;
    --color-line: #e3e9f2;
    --color-blue: #3157d5;
    --color-blue-dark: #2444b3;
    --color-blue-soft: #edf2ff;
    --color-teal: #087e78;
    --color-teal-soft: #e6f6f3;
    --color-coral: #e87932;
    --color-coral-soft: #fff0e5;
    --color-purple: #7654c8;
    --color-purple-soft: #f1edff;
    --radius-card: 1.125rem;
    --shadow-card: 0 0.5rem 1.75rem rgb(28 45 86 / 7%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--color-canvas);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-ink);
    background:
        radial-gradient(ellipse at 90% 0%, rgb(49 87 213 / 7%), transparent 34rem),
        var(--color-canvas);
    font-size: 1rem;
    line-height: 1.6;
}

a {
    color: var(--color-blue);
    text-decoration: none;
    text-underline-offset: 0.2em;
}

a:hover {
    color: var(--color-blue-dark);
    text-decoration: underline;
}

a:focus-visible {
    outline: 3px solid rgb(49 87 213 / 40%);
    outline-offset: 3px;
    border-radius: 0.25rem;
}

.site-nav {
    position: sticky;
    z-index: 10;
    top: 0;
    display: flex;
    min-height: 4.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.75rem clamp(1.25rem, 5vw, 5rem);
    border-bottom: 1px solid rgb(227 233 242 / 85%);
    background: rgb(255 255 255 / 94%);
    box-shadow: 0 0.25rem 1rem rgb(28 45 86 / 4%);
    backdrop-filter: blur(14px);
}

.site-nav__brand {
    flex: 0 0 auto;
    color: var(--color-ink);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.site-nav__brand::before {
    display: inline-block;
    width: 0.7rem;
    height: 0.7rem;
    margin-right: 0.55rem;
    border-radius: 0.22rem;
    background: var(--color-blue);
    content: "";
    transform: rotate(-10deg);
}

.site-nav__links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
}

.site-nav__links a {
    padding: 0.55rem 0.8rem;
    border-radius: 0.65rem;
    color: var(--color-muted);
    font-size: 0.93rem;
    font-weight: 650;
    transition: background-color 160ms ease, color 160ms ease;
}

.site-nav__links a:hover {
    background: var(--color-blue-soft);
    color: var(--color-blue-dark);
    text-decoration: none;
}

.site-nav__links a[aria-current="page"] {
    background: var(--color-blue-soft);
    color: var(--color-blue-dark);
}

main {
    width: min(100% - 2.5rem, 76rem);
    margin: 0 auto;
    padding: clamp(2rem, 6vw, 5rem) 0;
}

main > section {
    margin: 0 0 1.5rem;
    padding: clamp(1.5rem, 4vw, 2.75rem);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    background: var(--color-paper);
    box-shadow: var(--shadow-card);
}

main > section:first-child {
    position: relative;
    overflow: hidden;
    border: 0;
    background:
        radial-gradient(ellipse at 86% 15%, rgb(255 255 255 / 20%), transparent 15rem),
        linear-gradient(120deg, #2444b3 0%, #3157d5 64%, #5979e5 100%);
    color: var(--color-paper);
}

main > section:first-child::after {
    position: absolute;
    right: -2.5rem;
    bottom: -5.5rem;
    width: 15rem;
    height: 15rem;
    border: 1px solid rgb(255 255 255 / 20%);
    border-radius: 50%;
    box-shadow: 0 0 0 2rem rgb(255 255 255 / 5%), 0 0 0 4rem rgb(255 255 255 / 4%);
    content: "";
    pointer-events: none;
}

h1,
h2,
h3,
h4 {
    margin: 0 0 0.75rem;
    color: inherit;
    font-weight: 750;
    letter-spacing: -0.035em;
    line-height: 1.2;
}

h1 {
    max-width: 14ch;
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
    font-size: 1.2rem;
}

p {
    margin: 0 0 1rem;
}

main > section:first-child p {
    max-width: 55ch;
    margin-bottom: 0;
    color: rgb(255 255 255 / 85%);
    font-size: 1.05rem;
}

main > section:last-child > p:last-child,
main > section p:last-child {
    margin-bottom: 0;
}

footer {
    padding: 2rem clamp(1.25rem, 5vw, 5rem);
    border-top: 1px solid var(--color-line);
    background: var(--color-paper);
    color: var(--color-muted);
    font-size: 0.9rem;
    text-align: center;
}

footer article {
    margin-bottom: 1rem;
}

footer address {
    font-style: normal;
    line-height: 1.8;
}

footer > a {
    display: inline-block;
    margin: 0 0.45rem;
    font-weight: 600;
}

footer p {
    margin: 1rem 0 0;
}

.card {
    padding: 1.5rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    background: var(--color-paper);
    box-shadow: var(--shadow-card);
}

.card__eyebrow,
.eyebrow {
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
    gap: 1.25rem;
}

.timetable-event {
    padding: 0.9rem 1rem;
    border-left: 4px solid currentColor;
    border-radius: 0.75rem;
    background: var(--event-bg, var(--color-blue-soft));
    color: var(--event-color, var(--color-blue-dark));
}

.timetable-event--lecture {
    --event-bg: var(--color-coral-soft);
    --event-color: #a94a13;
}

.timetable-event--seminar {
    --event-bg: var(--color-purple-soft);
    --event-color: #5c3ba7;
}

.timetable-event--society {
    --event-bg: var(--color-teal-soft);
    --event-color: #08645f;
}

.timetable-event__time {
    display: block;
    margin-bottom: 0.2rem;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    background: var(--color-blue-soft);
    color: var(--color-blue-dark);
    font-size: 0.78rem;
    font-weight: 700;
}

.status-badge--upcoming {
    background: var(--color-coral-soft);
    color: #a94a13;
}

.status-badge--complete {
    background: var(--color-teal-soft);
    color: #08645f;
}

@media (max-width: 42rem) {
    .site-nav {
        position: static;
        align-items: flex-start;
        flex-direction: column;
        gap: 0.65rem;
        padding: 0.9rem 1.25rem;
    }

    .site-nav__links {
        width: 100%;
        justify-content: flex-start;
        gap: 0.15rem;
    }

    .site-nav__links a {
        padding: 0.45rem 0.6rem;
        font-size: 0.88rem;
    }

    main {
        width: min(100% - 1.5rem, 76rem);
        padding: 1.5rem 0;
    }

    main > section {
        padding: 1.5rem;
    }

    footer {
        padding: 1.75rem 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}