/**
 * Adelaide Design Week — site.css
 * One palette: grey-dark on yellow. Yellow is the only highlight.
 */

@font-face {
    font-family: 'Univers LT Std';
    src: url('../fonts/UniversLTStd-Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Egizio';
    src: url('../fonts/Egizio-Regular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --yellow: #FEFF35;
    --ink: #747474;
    --ink-strong: #747474;
    --ink-soft: #747474;
    --line: rgba(116, 116, 116, 0.4);
    --font-sans: 'Univers LT Std', 'Archivo', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Egizio', Georgia, serif;
    --transition: 0.25s ease;
    --content-max: 760px;
    --content-wide: 980px;
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2.5rem;
    --space-5: 4rem;
    --space-6: 6rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
    background-color: var(--yellow);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}
a:hover { text-decoration-thickness: 2px; }

button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

/* Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.15;
    text-transform: lowercase;
    color: var(--ink);
    letter-spacing: -0.01em;
}

h1 {
    font-size: clamp(2.25rem, 7vw, 4.5rem);
    margin-block-end: var(--space-2);
}
h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    margin-block: var(--space-4) var(--space-2);
}
h3 {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    margin-block: var(--space-3) var(--space-1);
}

p {
    font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
    line-height: 1.65;
    margin-block-end: var(--space-2);
}

strong { color: var(--ink-strong); font-weight: 700; }

hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: var(--space-4) 0;
}

/* Layout
   ========================================================================== */
.site-main {
    min-height: 60vh;
    padding: var(--space-3) var(--space-3);
}

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

.page > h1:first-child { margin-block-start: 0; }

.prose ul,
.prose ol {
    list-style: disc;
    padding-inline-start: var(--space-4);
    margin-block-end: var(--space-2);
}
.prose ol { list-style: decimal; }
.prose li { margin-block-end: var(--space-1); line-height: 1.65; }

/* Header & Nav
   ========================================================================== */
.site-header {
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) var(--space-3);
    background: var(--yellow);
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header-inner {
    max-width: var(--content-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}
.site-brand {
    font-weight: 700;
    text-decoration: none;
    text-transform: lowercase;
    font-size: 1.0625rem;
    color: var(--ink);
}
.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}
.site-nav a {
    text-decoration: none;
    text-transform: lowercase;
    font-weight: 700;
    color: var(--ink);
    padding-block-end: 2px;
    border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
    border-bottom-color: var(--ink);
}

/* Hero (homepage)
   ========================================================================== */
.hero {
    text-align: center;
    padding: var(--space-3);
    max-width: var(--content-wide);
    margin: calc(-1 * var(--space-3)) auto 0;
    min-height: calc(100vh - 3.5rem);
    min-height: calc(100svh - 3.5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.hero h1 {
    margin-block-end: var(--space-2);
}
.hero-dates {
    font-size: clamp(1.125rem, 2.25vw, 1.5rem);
    font-weight: 700;
    text-transform: lowercase;
    color: var(--ink);
    margin-block-end: var(--space-2);
}
.hero-tagline {
    font-family: var(--font-serif);
    font-size: clamp(1.0625rem, 1.75vw, 1.375rem);
    font-style: italic;
    color: var(--ink-soft);
}

/* Key dates
   ========================================================================== */
.key-dates {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: var(--space-3) 0;
    margin-block: var(--space-4);
}
.key-dates h3 {
    margin-block: 0 var(--space-2);
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}
.key-dates dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: var(--space-1) var(--space-3);
    font-size: 1rem;
}
.key-dates dt { font-weight: 700; text-transform: lowercase; color: var(--ink); }
.key-dates dd { margin: 0; color: var(--ink); }

/* Theme — pulled back, just emphasised body text
   ========================================================================== */
.theme {
    margin-block: var(--space-3);
    color: var(--ink);
}
.theme p { margin-block-end: var(--space-1); }

/* CTA — prominent
   ========================================================================== */
.cta-wrap {
    text-align: center;
    margin-block: var(--space-4);
}
.cta-tally {
    display: inline-block;
    padding: 1.125rem 2.25rem;
    background: var(--ink-strong);
    color: var(--yellow);
    text-decoration: none;
    text-transform: lowercase;
    font-weight: 700;
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    letter-spacing: 0.02em;
    border: 2px solid var(--ink-strong);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.cta-tally:hover {
    background: var(--yellow);
    color: var(--ink-strong);
    transform: translateY(-1px);
}
.cta-meta {
    margin-block-start: var(--space-2);
    font-size: 0.875rem;
    color: var(--ink-soft);
}

/* FAQ accordions
   ========================================================================== */
.faq {
    margin-block: var(--space-3);
}
.faq details {
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) 0;
}
.faq details:first-of-type {
    border-top: 1px solid var(--line);
}
.faq summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--ink);
    list-style: none;
    padding-inline-end: var(--space-3);
    position: relative;
    line-height: 1.4;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    position: absolute;
    inset-inline-end: 0;
    top: 0;
    font-size: 1.25em;
    line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details > *:not(summary) {
    margin-block-start: var(--space-2);
    color: var(--ink);
}

/* Paired CTAs — primary Tally + secondary "preview the questions"
   ========================================================================== */
.cta-pair {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: center;
    gap: var(--space-2);
}
.cta-secondary {
    display: inline-block;
    padding: 1.125rem 2.25rem;
    background: transparent;
    color: var(--ink-strong);
    text-decoration: none;
    text-transform: lowercase;
    font-weight: 700;
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    letter-spacing: 0.02em;
    border: 2px solid var(--ink-strong);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.cta-secondary:hover,
.cta-secondary:focus-visible {
    background: var(--ink-strong);
    color: var(--yellow);
    transform: translateY(-1px);
    outline: none;
}

/* EOI questions preview page — copy-to-clipboard
   ========================================================================== */
.eoi-questions-intro {
    margin-block: var(--space-2) var(--space-3);
    color: var(--ink);
    font-size: 1rem;
}
.eoi-questions-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-block: var(--space-2) var(--space-3);
}
.copy-btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    background: var(--ink-strong);
    color: var(--yellow);
    text-transform: lowercase;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.02em;
    border: 2px solid var(--ink-strong);
    cursor: pointer;
    font-family: inherit;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.copy-btn:hover,
.copy-btn:focus-visible {
    background: var(--yellow);
    color: var(--ink-strong);
    transform: translateY(-1px);
    outline: none;
}
.copy-status {
    font-size: 0.9rem;
    color: var(--ink-soft);
    min-height: 1em;
}
.eoi-questions-content {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding-block: var(--space-3);
    margin-block-end: var(--space-3);
}
.eoi-questions-content h4 {
    margin-block: var(--space-3) var(--space-1);
    text-transform: lowercase;
    font-size: 1.125rem;
}
.eoi-questions-content h4:first-child {
    margin-block-start: 0;
}
.eoi-questions-content ul {
    margin-block: var(--space-1) var(--space-2);
    padding-inline-start: 1.25rem;
}
.eoi-questions-content li {
    margin-block: 0.25rem;
}

/* Inline page link (EOI → 2025, 2025 → EOI)
   ========================================================================== */
.program-link,
.back-link {
    margin-block: var(--space-3);
    font-weight: 700;
}
.program-link a,
.back-link a {
    color: var(--ink-strong);
    text-decoration: underline;
    text-underline-offset: 0.2em;
    text-decoration-thickness: 1px;
}
.program-link a:hover,
.back-link a:hover {
    text-decoration-thickness: 2px;
}

/* Bento gallery — strict grid, per-photo aspect via row spans
   ========================================================================== */
.bento-grid {
    list-style: none;
    padding: 0;
    margin: var(--space-3) auto var(--space-5);
    max-width: 1400px;
    --bento-cols: 4;
    --bento-gap: var(--space-1);
    --bento-row: calc((min(100vw, 1400px) - (var(--bento-cols) - 1) * var(--bento-gap) - 2 * var(--space-3)) / var(--bento-cols) / 4);
    display: grid;
    grid-template-columns: repeat(var(--bento-cols), 1fr);
    grid-auto-rows: var(--bento-row);
    grid-auto-flow: dense;
    gap: var(--bento-gap);
}
.bento-item { margin: 0; }
.bento-item--landscape { grid-row: span 3; } /* 4:3, height = 3/4 col width */
.bento-item--square    { grid-row: span 4; } /* 1:1 */
.bento-item--portrait  { grid-row: span 5; } /* ~4:5, friendlier than forced 1:1 */
.bento-item a {
    display: block;
    width: 100%;
    height: 100%;
    line-height: 0;
    cursor: zoom-in;
    overflow: hidden;
}
.bento-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity var(--transition), transform 0.4s ease;
}
.bento-item a:hover img,
.bento-item a:focus-visible img {
    opacity: 0.9;
    transform: scale(1.02);
}
.photo-credits {
    font-size: 0.875rem;
    color: var(--ink-soft);
    font-style: italic;
}
.photo-credits a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

@media (max-width: 900px) {
    .bento-grid { --bento-cols: 3; }
}
@media (max-width: 600px) {
    .bento-grid { --bento-cols: 2; }
}

/* Lightbox overlay — fullscreen image viewer with prev/next
   ========================================================================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3);
    visibility: hidden;
    opacity: 0;
    transition: opacity var(--transition), visibility var(--transition);
}
.lightbox[aria-hidden="false"] {
    visibility: visible;
    opacity: 1;
}
.lightbox-figure {
    margin: 0;
    max-width: min(100%, 1400px);
    max-height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    cursor: zoom-out;
}
.lightbox-img {
    max-width: 100%;
    max-height: calc(100vh - 6rem);
    width: auto;
    height: auto;
    object-fit: contain;
    cursor: default;
}
.lightbox-caption {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
}
.lightbox button {
    position: absolute;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 2.5rem;
    line-height: 1;
    cursor: pointer;
    padding: var(--space-2);
    opacity: 0.7;
    transition: opacity var(--transition);
    font-family: inherit;
}
.lightbox button:hover,
.lightbox button:focus-visible { opacity: 1; }
.lightbox-close {
    top: 0.5rem;
    right: 0.75rem;
    font-size: 2.25rem;
}
.lightbox-prev {
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
}
.lightbox-next {
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
}
@media (max-width: 600px) {
    .lightbox { padding: var(--space-2); }
    .lightbox-prev, .lightbox-next { font-size: 2.25rem; }
}

/* Streams (EOI page) — glossary-style two-column list
   ========================================================================== */
.streams {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0;
    margin-block: var(--space-3) var(--space-4);
}
.streams dt,
.streams dd {
    padding: var(--space-2) 0;
    border-top: 1px solid var(--line);
    margin: 0;
}
.streams dt {
    font-weight: 700;
    text-transform: lowercase;
    color: var(--ink-strong);
    padding-inline-end: var(--space-4);
    align-self: start;
}
.streams dd {
    color: var(--ink);
    line-height: 1.55;
}
.streams dt:last-of-type,
.streams dd:last-of-type {
    border-bottom: 1px solid var(--line);
}

@media (max-width: 600px) {
    .streams { grid-template-columns: 1fr; }
    .streams dt {
        padding-block-end: 0;
        border-top: 1px solid var(--line);
    }
    .streams dd {
        padding-block-start: 0.25rem;
        padding-block-end: var(--space-2);
        border-top: 0;
    }
    .streams dt:last-of-type { border-bottom: 0; }
    .streams dd:last-of-type { border-bottom: 1px solid var(--line); }
}

/* Contributors list (team page)
   ========================================================================== */
.contributors {
    list-style: none;
    padding: 0;
    margin-block: var(--space-2) var(--space-4);
}
.contributors li {
    color: var(--ink);
    margin-block-end: var(--space-1);
}
.contributors li a {
    color: var(--ink-soft);
    text-decoration: underline;
    text-underline-offset: 0.15em;
    margin-inline-start: 0.4em;
}
.contributors li a:hover { color: var(--ink-strong); }

/* Media grid (media page) — press cards with header image
   ========================================================================== */
.media-grid {
    list-style: none;
    padding: 0;
    margin: var(--space-3) auto var(--space-5);
    max-width: 1400px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-3) var(--space-2);
}
.media-card { margin: 0; }
.media-card-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}
.media-card--inert .media-card-link,
.media-card:not(.media-card--inert) > .media-card-image,
.media-card--inert > .media-card-image {
    /* allow both clickable and inert variants to share layout */
}
.media-card--inert .media-card-image,
.media-card--inert .media-card-meta {
    cursor: default;
}
.media-card-image {
    aspect-ratio: 4 / 3;
    background: var(--ink-strong);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.media-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, opacity var(--transition);
}
.media-card-link:hover .media-card-image img,
.media-card-link:focus-visible .media-card-image img {
    transform: scale(1.03);
    opacity: 0.92;
}
.media-card-placeholder {
    color: var(--yellow);
    font-weight: 700;
    font-size: clamp(1rem, 2vw, 1.375rem);
    text-transform: lowercase;
    letter-spacing: 0.02em;
    text-align: center;
    padding: var(--space-2);
    line-height: 1.2;
}
.media-card-meta {
    padding: var(--space-1) 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}
.media-card-date {
    font-size: 0.75rem;
    text-transform: lowercase;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}
.media-card-source {
    font-weight: 700;
    color: var(--ink-strong);
    font-size: 1rem;
}
.media-card-type {
    color: var(--ink);
    font-size: 0.875rem;
}
.media-card-type em {
    color: var(--ink-soft);
    font-size: 0.8125rem;
}
.media-card--inert {
    opacity: 0.85;
}
.media-card--inert .media-card-image {
    background: var(--ink);
}

/* Required checklist
   ========================================================================== */
.checklist {
    list-style: none;
    padding: 0;
    margin-block: var(--space-3);
}
.checklist li {
    padding-inline-start: 1.5em;
    position: relative;
    margin-block-end: var(--space-1);
    color: var(--ink);
}
.checklist li::before {
    content: "☐";
    position: absolute;
    inset-inline-start: 0;
    top: 0;
    font-weight: 700;
    color: var(--ink);
}

/* Disclaimer
   ========================================================================== */
.disclaimer {
    margin-block-start: var(--space-5);
    padding-block-start: var(--space-2);
    border-top: 1px solid var(--line);
    font-size: 0.875rem;
    color: var(--ink-soft);
}
.disclaimer strong { color: var(--ink-strong); }

/* 2025 program section (EOI page) — wider than prose column
   ========================================================================== */
.program-section {
    max-width: var(--content-wide);
    margin: var(--space-3) auto;
    padding: 0 var(--space-3);
}

.program-2025 {
    margin-block: var(--space-3);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) 0;
}
.program-2025 > summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--ink);
    list-style: none;
    text-transform: lowercase;
    position: relative;
    padding-inline-end: var(--space-3);
}
.program-2025 > summary::-webkit-details-marker { display: none; }
.program-2025 > summary::after {
    content: "+";
    position: absolute;
    inset-inline-end: 0;
    top: 0;
    font-size: 1.25em;
    line-height: 1;
}
.program-2025[open] > summary::after { content: "−"; }
.program-2025 > *:not(summary) {
    margin-block-start: var(--space-2);
}

.program-grid {
    list-style: none;
    padding: 0;
    margin-block: var(--space-3);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-3) var(--space-2);
}
.program-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.program-poster {
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: rgba(116, 116, 116, 0.06);
    margin-block-end: 0.25rem;
}
.program-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.program-card .program-title {
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.25;
    text-transform: lowercase;
    color: var(--ink);
    margin: 0;
    letter-spacing: 0;
}
.program-card .program-meta {
    font-size: 0.8125rem;
    color: var(--ink);
    opacity: 0.85;
    line-height: 1.4;
    margin: 0;
}
.program-meta-source {
    margin-block-start: var(--space-3);
    font-size: 0.8125rem;
    color: var(--ink);
    opacity: 0.85;
}

/* Footer
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--line);
    padding: var(--space-4) var(--space-3);
    margin-block-start: var(--space-6);
    font-size: 0.8125rem;
    color: var(--ink-soft);
}
.site-footer-inner {
    max-width: var(--content-wide);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.acknowledgment { line-height: 1.6; }

/* Responsive
   ========================================================================== */
@media (max-width: 600px) {
    .site-header-inner {
        justify-content: center;
        text-align: center;
    }
    .site-nav ul {
        justify-content: center;
        gap: var(--space-2) var(--space-3);
    }
    .key-dates dl {
        grid-template-columns: 1fr;
        gap: 0.25rem 0;
    }
    .key-dates dt { margin-block-start: var(--space-1); }
    .cta-tally {
        display: block;
        padding: 1rem var(--space-3);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
}