/* V7 product catalogue and reading templates. No fixed-height prose or crops. */
body[data-about-page] main { max-inline-size: none; }
.about-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding-block: 24px 40px; }
.about-intro .eyebrow { color: var(--accent); font: 500 11px/1.6 var(--data); text-transform: uppercase; letter-spacing: .08em; }
.about-intro h1 { font-size: clamp(32px, 4vw, 52px); line-height: 1.12; letter-spacing: -.025em; margin-block: 20px; }
.about-intro p { line-height: 1.75; }
.about-intro figure { margin: 0; }
.about-intro img { width: 100%; height: auto; border-radius: 16px; }
.about-intro figcaption { margin-block-start: 12px; color: var(--ink-soft); font: 12px/1.6 var(--ui); }
.about-modes { padding-block: 24px 40px; border-block-start: 1px solid var(--line); }
.about-modes dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.about-modes dl > div { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.about-modes dt a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 650; }
.about-modes dd { margin: 8px 0 0; color: var(--ink-soft); font: 14px/1.7 var(--ui); }
.about-technical { padding: 16px 24px; margin-block: 0 40px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.about-technical > summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 650; }
.about-technical > summary::after { content: '+'; margin-inline-start: auto; color: var(--accent); }
.about-technical[open] > summary::after { content: '−'; }
@media (max-width: 899px) { .about-intro { grid-template-columns: minmax(0, 1fr); } .about-modes dl { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 599px) { .about-modes dl { grid-template-columns: minmax(0, 1fr); } .about-intro .action-row { display: flex; flex-wrap: wrap; gap: 12px; } }
.feature-catalogue { display: block; max-inline-size: none; }
.features-intro { padding-block: 1.5rem 1rem; }
.features-intro h1 { max-inline-size: 24ch; font-size: clamp(2rem, 3.2vw, 2.8rem); line-height: 1.12; }
.features-intro .eyebrow, .reading-summary .eyebrow { display: block; margin-block-end: 1rem; font: 500 .7rem/1.6 var(--data); text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.features-intro .lede { max-inline-size: 68ch; }
.features-intro .section-note { max-inline-size: 72ch; font-size: .9rem; color: var(--ink-soft); }
.feature-filters { padding-block: 1rem; border-block: 1px solid var(--line); margin-block: 1rem 1.6rem; }
.feature-filters [role="group"] { display: flex; flex-wrap: wrap; gap: .5rem; }
.feature-filters button { min-inline-size: 44px; min-block-size: 44px; padding: .6rem 1rem; border-radius: 99px; background: transparent; color: var(--ink-soft); border: 1px solid var(--line); font: 600 .875rem var(--ui); cursor: pointer; }
.feature-filters button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.feature-filters button:disabled { opacity: .55; cursor: default; }
.feature-status { margin: .7rem 0 0; color: var(--ink-soft); font-size: .8rem; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; }
.features-page .feature-section { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; gap: clamp(24px, 4vw, 56px); margin: 0; padding: clamp(20px, 3vw, 40px); background: var(--surface); border: 1px solid var(--line); border-radius: 20px; min-inline-size: 0; scroll-margin-top: 1rem; }
.features-page .feature-kind { font: 500 .75rem var(--data); color: var(--accent); margin: 0 0 1rem; }
.features-page .feature-section h2 { font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.25; margin-block: 1rem; max-inline-size: 28ch; }
.features-page .feature-visual { margin: 0; }
.features-page .feature-visual img { display: block; inline-size: 100%; block-size: auto; max-block-size: 34rem; object-fit: contain; background: #05070a; border-radius: 12px; }
.features-page .feature-visual figcaption { margin-block-start: .85rem; color: var(--ink-soft); font: .75rem/1.65 var(--ui); text-wrap: pretty; }
.features-page .feature-text { font-size: .95rem; line-height: 1.75; text-wrap: pretty; margin-block: 0 1rem; }
.features-page .feature-evidence p { font-size: .9rem; line-height: 1.75; color: var(--ink-soft); }
.features-page .feature-actions { margin-block: auto .5rem; padding-block-start: .8rem; }
.features-page .feature-comparison { display: inline-flex; align-items: center; gap: .5rem; min-block-size: 44px; padding-block: .65rem; box-sizing: border-box; }
.features-page .feature-evidence { border-block-start: 1px solid var(--line); margin-block-start: .8rem; }
.feature-evidence summary, .feature-index summary, .reading-contents summary { min-block-size: 44px; padding-block: .75rem; box-sizing: border-box; cursor: pointer; font: 600 .875rem/1.5 var(--ui); color: var(--ink-soft); }
.feature-evidence summary:focus-visible, .feature-index summary:focus-visible, .reading-contents summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.features-page .feature-evidence a { font-size: .85rem; }
.feature-index { margin-block: 2rem; padding: .5rem 1.2rem; border: 1px solid var(--line); border-radius: 14px; }
.feature-index a { display: inline-block; min-block-size: 44px; padding-block: .6rem; box-sizing: border-box; }
body[data-reading-page] .page-body { display: block; max-inline-size: none; }
body[data-reading-page] main { max-inline-size: 46rem !important; margin-inline: auto; padding-block: 1.5rem; }
body[data-reading-page] main > h1 { font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.13; max-inline-size: 24ch; margin-block-end: 1.4rem; }
body[data-reading-page] main > p, body[data-reading-page] main > ul, body[data-reading-page] main > ol { font-size: 1.0625rem; line-height: 1.85; max-width: none; }
body[data-reading-page] main li { max-width: none; }
body[data-reading-page] main > h2 { margin-block: 2.8rem 1rem; padding-block-start: 1rem; border-block-start: 1px solid var(--line); font-size: 1.5rem; }
body[data-reading-page] main :is(h2,h3)[id] { scroll-margin-block-start: 1.5rem; }
body[data-reading-page] main .lede { font-size: 1.125rem; line-height: 1.75; max-width: none; text-wrap: pretty; }
.reading-contents { margin-block: 1.7rem 2.2rem; padding: .35rem 1.25rem; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.reading-contents ol { list-style: none; margin: 0 0 .6rem; padding: 0; }
.reading-contents a { display: block; min-block-size: 44px; padding-block: .65rem; box-sizing: border-box; font: .9rem/1.5 var(--ui); }
.reading-summary { padding: 1.5rem; border-inline-start: 3px solid var(--accent); background: var(--surface); border-radius: 0 14px 14px 0; }
.reading-summary .eyebrow { display: block; margin-block-end: .6rem; }
.reading-summary p { margin: 0; }
.format-jumps { display: flex; flex-wrap: wrap; gap: 10px; margin-block: 1.5rem 2rem; }
.format-jumps a { display: grid; gap: 5px; flex: 1 1 190px; min-block-size: 44px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); text-decoration: none; }
.format-jumps strong { font: 600 13px/1.5 var(--data); }
.format-jumps span { color: var(--ink-soft); font: 12px/1.5 var(--ui); }
.format-jumps a:hover, .format-jumps a:focus-visible { border-color: var(--accent); }
body[data-reading-page] main .note { padding: 1.2rem 1.4rem; background: var(--surface); border-inline-start: 3px solid var(--star); border-radius: 0 12px 12px 0; }
@media (min-width: 68rem) {
  .features-intro { display: grid; grid-template-columns: 1.1fr 1fr; gap: .8rem 3rem; align-items: start; }
  .features-intro .eyebrow { grid-column: 1 / -1; }
  .features-intro h1 { grid-column: 1; grid-row: 2; margin: 0; }
  .features-intro .lede { grid-column: 2; grid-row: 2; margin: 0; }
  .features-intro .section-note { grid-column: 1; grid-row: 3; margin: 0; }
  .features-intro .features-hero-actions { grid-column: 2; grid-row: 3; margin: 0; }
}
@media (max-width: 42rem) {
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .features-intro { padding-block-start: .5rem; }
  .features-page .feature-section { padding: 1.1rem; }
  body[data-reading-page] main { padding-block-start: .5rem; }
  .reading-summary { padding: 1.1rem; }
}

/* Full photographic compositions stay available at every viewport. */
.feature-copy { min-inline-size: 0; }
.feature-photo { position: relative; display: block; border-radius: 12px; background: #05070a; }
.feature-photo:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.photo-enlarge { position: absolute; inset: auto 12px 12px auto; padding: 9px 12px; border: 1px solid #ffffff35; border-radius: 8px; background: #080d16e8; color: #f4f6fa; font: 600 12px/1.4 var(--ui); }
.photo-viewer { box-sizing: border-box; width: min(96vw, 90rem); max-width: none; max-height: 94dvh; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg); color: var(--ink); }
.photo-viewer::backdrop { background: #03060bec; }
.photo-viewer-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-block-end: 16px; }
.photo-viewer-header h2 { margin: 0; font: 600 1rem/1.5 var(--ui); }
.photo-viewer-close { flex: 0 0 auto; min-height: 44px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); cursor: pointer; }
.photo-viewer figure { margin: 0; }
.photo-viewer img { display: block; width: auto; height: auto; max-width: 100%; max-height: min(70dvh, 60rem); margin-inline: auto; object-fit: contain; background: #05070a; }
.photo-viewer figcaption { margin-block-start: 12px; font: 12px/1.65 var(--ui); color: var(--ink-soft); }
@media (max-width: 51.99rem) { .features-page .feature-section { grid-template-columns: minmax(0, 1fr); gap: 24px; } .features-page .feature-visual img { max-block-size: 70vh; } }
@media (max-width: 30rem) { .photo-viewer { padding: 12px; } .photo-viewer img { max-height: 58dvh; } }