/* ===================================================================
   Event Hub — Template Stylesheet
   Design concept: "schedule board" — dates lead, monospace numerals,
   a single warm signal color, hairline rules instead of shadows/cards-on-cards.
   =================================================================== */

:root {
    /* Color */
    --color-ink: #1a1a17;
    --color-paper: #faf8f3;
    --color-paper-dim: #f1ede3;
    --color-line: #ddd6c4;
    --color-signal: #d65f2e;      /* warm flare — used sparingly */
    --color-signal-dim: #f0d9c9;
    --color-muted: #6b6557;

    /* Type */
    --font-display: "Fraunces", Georgia, "Times New Roman", serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

    /* Layout */
    --content-width: 1080px;
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2.5rem;
    --space-5: 4rem;
    --radius: 2px;
}

@font-face {
    font-family: "Fraunces";
    src: local("Georgia");
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-ink);
    color: var(--color-paper);
    padding: var(--space-1) var(--space-2);
    z-index: 100;
}
.skip-link:focus {
    left: var(--space-2);
    top: var(--space-2);
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.01em;
}

a {
    color: var(--color-ink);
}

img {
    max-width: 100%;
    display: block;
}

/* ---------- Header ---------- */

.site-header {
    border-bottom: 1px solid var(--color-line);
    background: var(--color-paper);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--space-2) var(--space-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.site-title {
    font-size: 1.4rem;
    position: relative;
    padding-left: var(--space-2);
}
.site-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.15em;
    width: 0.4em;
    height: 0.4em;
    background: var(--color-signal);
    border-radius: 50%;
}

.site-nav ul {
    display: flex;
    gap: var(--space-3);
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.site-nav a {
    text-decoration: none;
    color: var(--color-muted);
    border-bottom: 2px solid transparent;
    padding-bottom: 4px;
    transition: color 0.15s, border-color 0.15s;
}
.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--color-ink);
    border-color: var(--color-signal);
}

/* ---------- Sections ---------- */

.event-section {
    padding: var(--space-5) 0;
}

.event-section--past {
    background: var(--color-paper-dim);
    border-top: 1px solid var(--color-line);
}

.section-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-line);
}

.section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.event-count {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-muted);
}
.event-count::before {
    content: "(";
}
.event-count::after {
    content: ")";
}

/* ---------- Event cards: upcoming ---------- */

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-3);
}

.event-card {
    border: 1px solid var(--color-line);
    background: var(--color-paper);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.event-card:hover {
    border-color: var(--color-signal);
    transform: translateY(-2px);
}

.event-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    background: var(--color-paper-dim);
    border-bottom: 1px solid var(--color-line);
}

.event-date {
    display: flex;
    align-items: baseline;
    gap: 0.4em;
    font-family: var(--font-mono);
}

.event-date-day {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-signal);
}

.event-date-month {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--color-muted);
    letter-spacing: 0.04em;
}

.event-countdown {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.event-card-body {
    padding: var(--space-3);
}

.event-card-body h3 {
    font-size: 1.15rem;
    margin-bottom: var(--space-1);
}

.event-card-body p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* ---------- Event cards: past ---------- */

.event-grid--past {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.event-card--past {
    display: flex;
    flex-direction: column;
}

.event-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(15%);
}

.event-date-inline {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-muted);
    margin-bottom: var(--space-1);
}

/* ---------- Footer ---------- */

.site-footer {
    text-align: center;
    padding: var(--space-4) var(--space-3);
    font-size: 0.85rem;
    color: var(--color-muted);
    border-top: 1px solid var(--color-line);
}

.site-footer a {
    color: var(--color-signal);
    text-decoration: none;
    border-bottom: 1px solid currentColor;
}

/* ---------- Motion & accessibility ---------- */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .event-card {
        transition: none;
    }
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-signal);
    outline-offset: 2px;
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .event-section {
        padding: var(--space-4) 0;
    }
}