/* Pages conférences : mêmes jetons que la one page (index.html), une colonne de lecture et un bandeau d'infos. */
:root {
  --bg: #f5f7f8; --fg: #111417; --muted: #5a6670; --line: #d6dce1; --accent: #1b98d6; --chip: #e8edf0;
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0c0e10; --fg: #eef1f3; --muted: #98a3ac; --line: #242a2f; --accent: #3db3ee; --chip: #171b1f; color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #0c0e10; --fg: #eef1f3; --muted: #98a3ac; --line: #242a2f; --accent: #3db3ee; --chip: #171b1f; color-scheme: dark; }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 1.125rem; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.wrap { max-width: 68rem; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

.top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; font-family: var(--mono); font-size: .8rem; letter-spacing: .04em; color: var(--muted); }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--fg); }
.brand img { width: 2.25rem; height: 2.25rem; border-radius: .45rem; display: block; }
.back { text-decoration: none; }
.back:hover { color: var(--accent); }

.head { padding-block: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.25rem); max-width: 52rem; }
.eyebrow { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 1.1rem; }
h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2.2rem, 6vw, 4.25rem); line-height: .98; letter-spacing: -.03em; margin: 0 0 1.1rem; text-wrap: balance; }
.sub { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--muted); margin: 0; max-width: 40ch; }

.cover { margin: 0 0 clamp(2.5rem, 6vw, 4rem); border-radius: .35rem; overflow: hidden; background: var(--chip); }
.cover img { display: block; width: 100%; height: auto; }

section { border-top: 1px solid var(--line); }
.section-inner { display: grid; grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: clamp(1rem, 4vw, 4rem); padding-block: clamp(2.25rem, 5vw, 3.75rem); }
.label { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: .35rem 0 0; }
.prose { max-width: 38rem; min-width: 0; }
.prose p { margin: 0 0 1.1rem; }
.prose p:last-child { margin-bottom: 0; }

.facts { margin: 0; display: grid; grid-template-columns: minmax(0, 9rem) minmax(0, 1fr); gap: .55rem 1.5rem; max-width: 40rem; }
.facts dt { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: .3rem; }
.facts dd { margin: 0; }

.docs { list-style: none; margin: 0; padding: 0; min-width: 0; }
.docs li { border-bottom: 1px solid var(--line); }
.docs li:first-child { border-top: 1px solid var(--line); }
.docs a { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; gap: .3rem 1rem; padding-block: 1.1rem; text-decoration: none; }
.docs .name { font-family: var(--display); font-weight: 600; font-size: clamp(1.25rem, 2.6vw, 1.7rem); letter-spacing: -.02em; line-height: 1.2; }
.docs .meta { grid-column: 1 / -1; font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.docs .arrow { font-family: var(--mono); color: var(--muted); transition: transform .2s ease, color .15s ease; }
.docs a:hover .name, .docs a:focus-visible .name { color: var(--accent); }
.docs a:hover .arrow, .docs a:focus-visible .arrow { color: var(--accent); transform: translateY(2px); }

.shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.shots figure { margin: 0; min-width: 0; }
.shots img { display: block; width: 100%; height: auto; border-radius: .25rem; background: var(--chip); }
.shots figcaption { font-family: var(--mono); font-size: .75rem; color: var(--muted); margin-top: .4rem; }

.next { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-block: 2rem; }
.textlink { font-family: var(--mono); font-size: .85rem; letter-spacing: .02em; text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.textlink:hover { color: var(--accent); }

footer { border-top: 1px solid var(--line); }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; padding-block: 1.75rem 2.5rem; font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.foot p { margin: 0; }

@media (max-width: 760px) {
  .section-inner { grid-template-columns: minmax(0, 1fr); gap: .75rem; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: .1rem; }
  .facts dd { margin-bottom: .6rem; }
  .shots { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Photos : une grande image puis une rangée justifiée (largeurs proportionnelles aux formats, sans recadrage) */
.photos { display: flex; flex-wrap: wrap; gap: .75rem; }
.photos figure { margin: 0; min-width: 0; }
.photos figure.lead { flex: 1 1 100%; }
.photos a { display: block; border-radius: .25rem; overflow: hidden; background: var(--chip); }
.photos img { display: block; width: 100%; height: auto; transition: transform .35s ease; }
.photos a:hover img, .photos a:focus-visible img { transform: scale(1.02); }
.photos figcaption { font-family: var(--mono); font-size: .75rem; color: var(--muted); margin-top: .4rem; }
@media (max-width: 480px) { .photos figure { flex: 1 1 100% !important; } }
.photos figure.half { flex: 1 1 calc(50% - .375rem); }
.photos figure.half img { aspect-ratio: 3 / 2; object-fit: cover; }
.photos .credit { flex: 1 1 100%; margin: .25rem 0 0; font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.photos .credit a { display: inline; background: none; border-radius: 0; overflow: visible; color: inherit; text-underline-offset: 3px; }
.photos .credit a:hover { color: var(--accent); }