:root {
  --ink: #0f1e2e; --ink-2: #3d4f63; --bg: #e9eef3; --card: #ffffff;
  --line: #c3cfdb; --accent: #0b6e6e; --accent-ink: #ffffff; --err: #a8201a;
  --radius: 10px; --tap: 44px;
  /* Image defaults (used when an image sets no width/height in the content file) */
  --hero-text-max: 100%;   /* widest the header text may get; try 70ch for a narrower column */
  --img-width: 100%; --img-item-ratio: 16 / 9;
  --img-hero-ratio: 21 / 9; --img-hero-ratio-sm: 16 / 9; --img-hero-max-h: 22rem; --img-hero-min-h: 9rem;
  --font: "Avenir Next", "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 1rem/1.55 var(--font); color: var(--ink); background: var(--bg); }
[hidden] { display: none !important; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; letter-spacing: -.01em; }
.skip { position: absolute; inset-inline-start: -999px; }
.skip:focus { inset-inline-start: 8px; top: 8px; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 10; }
:focus-visible { outline: 3px solid #1a73e8; outline-offset: 2px; }

.gate { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 1rem; background: var(--ink); }
.gate-card { width: 100%; max-width: 26rem; background: var(--card); border-radius: var(--radius); padding: 1.5rem; }
.gate-card h1 { font-size: 1.4rem; }
.hint { margin: 0 0 1.25rem; color: var(--ink-2); }
label { display: block; font-weight: 600; margin-bottom: .4rem; }
input, button { font: inherit; min-height: var(--tap); border-radius: 8px; }
input { width: 100%; padding: .5rem .9rem; border: 2px solid var(--line); background: #fff; color: var(--ink);
  font-size: 1.6rem; font-variant-numeric: tabular-nums; letter-spacing: .3em; }
input[aria-invalid="true"] { border-color: var(--err); }
.meta { display: flex; justify-content: flex-end; font-size: .85rem; color: var(--ink-2); margin-top: .3rem; }
.error { min-height: 1.5rem; margin: .5rem 0; color: var(--err); font-weight: 600; }
button { min-width: var(--tap); padding: .5rem 1.25rem; border: 0; background: var(--accent); color: var(--accent-ink); font-weight: 600; cursor: pointer; }
.gate-card button { width: 100%; }
button:hover { filter: brightness(1.1); }
button:disabled { opacity: .6; cursor: not-allowed; }
button.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }

.bar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .5rem 1rem; background: var(--ink); color: #fff; }
.brand { font-weight: 700; }
main#main { max-width: 64rem; margin: 0 auto; padding: 1.25rem 1rem 2rem; }
.hero { padding: 1.5rem 0 1rem; }
.hero h1 { font-size: 1.8rem; }
.hero .rich { max-width: var(--hero-text-max); color: var(--ink-2); }
.section h2 { font-size: 1.2rem; margin: 1.5rem 0 .75rem; padding-bottom: .4rem; border-bottom: 2px solid var(--accent); }
.grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.item h3 { font-size: 1.05rem; }
.item p { margin: 0; color: var(--ink-2); }
footer { text-align: center; color: var(--ink-2); font-size: .9rem; padding: 1.5rem 1rem 2rem; }

/* Breakpoints: small phone 320, large phone/tablet 481, tablet 768, desktop 1024 */
@media (min-width: 481px) { .gate-card { padding: 2rem; } .hero h1 { font-size: 2.2rem; } .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { main#main { padding: 2rem; } .bar { padding: .6rem 2rem; } .hero h1 { font-size: 2.6rem; } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } .hero { padding-top: 2.5rem; } }
@media (max-width: 360px) { input { font-size: 1.3rem; letter-spacing: .2em; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* Media */
.media { margin: 0; }
.media img { display: block; width: var(--img-width); max-width: 100%; height: auto; margin-inline: auto; }
.media.al-left img { margin-inline: 0 auto; }
.media.al-right img { margin-inline: auto 0; }
.media figcaption { font-size: .85rem; color: var(--ink-2); padding: .4rem 1.1rem 0; }
.media-frame { position: relative; aspect-ratio: 16 / 9; background: #000; }
.media-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.item { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.item-body { padding: 1rem 1.1rem; }
.item .media + .item-body { padding-top: .9rem; }
.item .media-img img { aspect-ratio: var(--img-item-ratio); object-fit: cover; }
.item .media-img figcaption { padding-top: .5rem; }
.hero-media { margin: 1.25rem 0 0; }
.hero-media img { aspect-ratio: var(--img-hero-ratio); max-height: var(--img-hero-max-h); min-height: var(--img-hero-min-h);
  object-fit: cover; border-radius: var(--radius); background: var(--line); }
.hero-media .sized-h img { max-height: none; min-height: 0; }
@media (max-width: 480px) { .hero-media img { aspect-ratio: var(--img-hero-ratio-sm); } }
.item.wide { grid-column: 1 / -1; }

/* Language switcher */
.lang { display: flex; justify-content: flex-end; margin-bottom: .75rem; }
.lang-select { min-height: var(--tap); padding: .4rem .8rem; font: inherit; color: var(--ink); background: #fff;
  border: 2px solid var(--line); border-radius: 8px; cursor: pointer; }
.bar-actions { display: flex; align-items: center; gap: .5rem; }
.bar .lang-select { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }
.bar .lang-select option { color: var(--ink); background: #fff; }
.lang-select[hidden], .lang:has(.lang-select[hidden]) { display: none; }

/* Rich text */
.rich { text-wrap: pretty; }
.rich p { margin: 0; }
.rich p + p { margin-top: .7em; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
strong { font-weight: 700; }

/* Lightbox (images with "zoom": true) */
.zoom-btn { display: block; width: 100%; min-width: 0; min-height: 0; padding: 0; border: 0; border-radius: 0;
  background: none; color: inherit; cursor: zoom-in; font: inherit; }
.zoom-btn:hover { filter: none; }
.zoom-btn:hover img { filter: brightness(1.07); }
.lightbox { width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0;
  border: 0; background: transparent; color: #fff; overflow: hidden; }
.lightbox[open] { display: flex; align-items: center; justify-content: center; }
.lightbox::backdrop { background: rgba(5, 12, 20, .9); }
.lightbox figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: .6rem; padding: 3.5rem 1rem 1rem; }
.lightbox img { display: block; max-width: 96vw; max-height: 80vh; max-height: 80dvh; width: auto; height: auto;
  object-fit: contain; border-radius: 6px; }
.lightbox figcaption { max-width: 60ch; text-align: center; font-size: .95rem; color: #fff; }
.lightbox a { color: #fff; }
.lb-close { position: absolute; top: calc(.75rem + env(safe-area-inset-top, 0px)); inset-inline-end: .75rem;
  width: var(--tap); height: var(--tap); min-width: var(--tap); padding: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .18); color: #fff; border: 1px solid rgba(255, 255, 255, .7); font-size: 1.7rem; line-height: 1; }
body.lb-open { overflow: hidden; }