/* Gamma Research — post page. Requires base.css (tokens, fonts). */

:root {
  --rail: 196px;
  --notes: 216px;
  --glacier-50: #f3f6fd;
  --sky-band: linear-gradient(180deg, #d9e8fd 0%, #e9f1fe 38%, #f7faff 70%, #ffffff 100%);
}
body { background: #fff; overflow-x: hidden; }

/* No footer: every page ends on the same breathing room. */
body::after { content: ""; display: block; height: 120px; }

/* ---------- Top band: masthead + header on a sky gradient ---------- */
.top { position: relative; background: var(--sky-band); }
.top .sparkles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.top .sparkles svg { position: absolute; fill: #fff; filter: drop-shadow(0 0 6px rgba(255,255,255,.9)); }
.masthead { position: relative; z-index: 5; display: flex; align-items: center; justify-content: space-between; max-width: var(--full); margin: 0 auto; padding: 22px var(--gutter); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--deep-ocean); }
.brand .wordmark { width: 96px; color: var(--ultramarine); display: block; }
.brand .wordmark svg { width: 100%; height: auto; display: block; }
.brand .section { font: 500 19px/1 var(--font-display); letter-spacing: -0.01em; padding-left: 12px; border-left: 1.5px solid rgba(0,34,83,.22); }
.masthead nav { display: flex; gap: 28px; font: 500 15px/1 var(--font-text); }
.masthead nav a { text-decoration: none; color: rgba(0,34,83,.72); }
.masthead nav a:hover { color: var(--ultramarine); }

.post-head { position: relative; z-index: 2; max-width: calc(var(--wide) + 2 * var(--gutter)); margin: 0 auto; padding: 52px var(--gutter) 0; }
.eyebrow { display: flex; gap: 12px; align-items: center; font: 500 15px/1 var(--font-text); color: var(--ultramarine); }
.eyebrow .chip { padding: 7px 12px 7px; border-radius: 999px; background: var(--ultramarine); color: #fff; font-weight: 600; font-size: 14px; }
.eyebrow .dot { width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: .45; }
.post-title { margin: 26px 0 0; font: 500 clamp(40px, 6.2vw, 76px)/.98 var(--font-display); letter-spacing: -0.028em; color: var(--deep-ocean); text-wrap: balance; }
.post-title .two { display: block; color: var(--ultramarine); }
.dek { margin: 24px 0 0; max-width: 860px; font: 400 22px/1.42 var(--font-text); color: rgba(0,34,83,.74); text-wrap: pretty; }
.byline { display: flex; align-items: center; gap: 14px; margin-top: 28px; font: 400 15px/1.3 var(--font-text); color: rgba(0,34,83,.7); }
.byline .avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--periwinkle) center/cover; box-shadow: 0 0 0 3px #fff; }
.byline b { display: block; font-weight: 600; color: var(--deep-ocean); }
.byline .meta { margin-left: auto; display: flex; gap: 10px; }
.byline .meta button, .tool-btn { font: 500 12px/1 var(--font-mono); letter-spacing: .02em; color: var(--deep-ocean); background: rgba(255,255,255,.75); border: 1px solid rgba(0,34,83,.14); border-radius: 999px; padding: 9px 13px; cursor: pointer; }
.byline .meta button:hover, .tool-btn:hover { background: #fff; border-color: var(--ultramarine); color: var(--ultramarine); }

/* Range ribbon: real slides from the template library, drifting */
.ribbon { position: relative; margin: 44px 0 0; padding: 0 0 4px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.ribbon .row { display: flex; gap: 16px; width: max-content; padding: 8px 0; animation: drift 120s linear infinite; }
.ribbon .row.r2 { animation-duration: 150s; animation-direction: reverse; margin-left: -180px; }
.ribbon img { width: 384px; height: 216px; object-fit: cover; border-radius: 8px; box-shadow: 0 0 0 1px rgba(0,34,83,.08), 0 10px 24px -12px rgba(0,34,83,.35); background: var(--glacier); }
.ribbon:hover .row { animation-play-state: paused; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ribbon .row { animation: none; } }
.ribbon-cap { position: relative; max-width: calc(var(--wide) + 2 * var(--gutter)); margin: 18px auto 0; padding: 0 var(--gutter) 8px; font: 400 15px/1.5 var(--font-text); color: var(--ink-2); }

/* ---------- Body flow: contents rail · text · margin notes ---------- */
.flow { display: grid; grid-template-columns: [full-start] minmax(var(--gutter), 1fr) [wide-start] minmax(0, 168px) [text-start] minmax(0, var(--measure)) [text-end] minmax(0, 168px) [wide-end] minmax(var(--gutter), 1fr) [full-end]; }
.flow { margin-top: 76px; }
.flow > * { grid-column: text; }
.flow > .figure, .flow > .band { grid-column: full; }
.flow > p, .flow > ul > li, .flow > ol > li, .endmatter p { font: 400 19px/1.66 var(--font-text); color: var(--ink); text-wrap: pretty; }
.flow > p { position: relative; margin: 0 0 1.05em; }
.flow > p a, .flow > ul a, .flow > ol a { color: var(--ultramarine); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: rgba(24,98,212,.35); }
.flow a:hover { text-decoration-color: currentColor; }
.flow b, .flow strong { font-weight: 600; color: var(--deep-ocean); }
.flow > ul, .flow > ol { padding-left: 1.15em; margin: 0 0 1.25em; }
.flow > ul > li, .flow > ol > li { margin: 0 0 .5em; padding-left: .2em; }
.flow > ul > li::marker, .flow > ol > li::marker { color: var(--ultramarine); font-weight: 600; }

/* Section openers */
.flow h2 { position: relative; margin: 2.1em 0 .6em; font: 500 40px/1.06 var(--font-display); letter-spacing: -0.022em; color: var(--deep-ocean); scroll-margin-top: 28px; text-wrap: balance; }
.flow h2 .sec { position: absolute; left: -56px; top: 4px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--ultramarine); color: #fff; font: 500 15px/1 var(--font-display); letter-spacing: 0; }
@media (max-width: 899px) { .flow h2 .sec { position: static; margin-bottom: 14px; } }

/* Pull quote */
.pull { margin: 48px 0 52px; padding: 0; border: 0; font: 500 34px/1.18 var(--font-display); letter-spacing: -0.018em; color: var(--ultramarine); text-wrap: balance; }
.pull::before { content: "“"; display: block; height: 40px; font: 500 96px/1 var(--font-display); color: var(--flamingo); }

/* Margin notes */
.sn { position: absolute; left: calc(100% + 56px); top: .3em; width: var(--notes); font: 400 13.5px/1.5 var(--font-text); color: var(--ink-2); }
.sn b { display: block; margin-bottom: 4px; font: 600 13.5px/1.3 var(--font-text); color: var(--ultramarine); }
@media (max-width: 1239px) { .sn { position: static; display: block; width: auto; margin: 12px 0 0; padding-left: 14px; border-left: 2px solid var(--periwinkle); } }

/* Contents rail (tucks away behind wide figures and bands) */
.toc { position: fixed; z-index: 4; top: 112px; left: max(16px, calc(50% - var(--measure) / 2 - 84px - var(--rail))); width: var(--rail); opacity: 0; transform: translateX(-6px); transition: opacity .25s, transform .25s; pointer-events: none; }
.toc.on { opacity: 1; transform: none; pointer-events: auto; }
.toc.on.tuck { opacity: 0; transform: translateX(-10px); pointer-events: none; }
.toc .t { font: 600 13.5px/1 var(--font-text); color: var(--ink-2); margin-bottom: 12px; }
.toc a { display: grid; grid-template-columns: 26px 1fr; padding: 6px 0; font: 400 13.5px/1.35 var(--font-text); color: var(--ink-3); text-decoration: none; }
.toc a span { font: 500 11.5px/1.7 var(--font-mono); }
.toc a.active { color: var(--deep-ocean); }
.toc a.active span { color: var(--ultramarine); }
.toc .progress { height: 2px; margin-top: 14px; background: var(--glacier); border-radius: 2px; overflow: hidden; }
.toc .progress i { display: block; height: 100%; width: 0; background: var(--ultramarine); }
@media (max-width: 1239px) { .toc { display: none; } }

/* ---------- Figures ---------- */
.figure { width: 100%; margin: 64px auto; padding: 0 var(--gutter); }
.figure.text { max-width: calc(var(--measure) + 2 * var(--gutter)); }
.figure.wide { max-width: calc(var(--wide) + 2 * var(--gutter)); }
.figure.full { max-width: calc(var(--full) + 2 * var(--gutter)); }
.panel { position: relative; background: var(--glacier-50); border-radius: 18px; padding: 26px 28px 26px; box-shadow: inset 0 0 0 1px rgba(24,98,212,.06); }
.panel.dark { background: var(--deep-space); color: #fff; box-shadow: none; }
.panel.white { background: #fff; box-shadow: 0 0 0 1px rgba(0,34,83,.08), 0 24px 48px -28px rgba(0,34,83,.3); }
.fig-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; }
.fig-head .n { flex: none; font: 600 13px/1 var(--font-text); color: #fff; background: var(--ultramarine); padding: 6px 10px 6px; border-radius: 999px; transform: translateY(-2px); }
.panel.dark .fig-head .n { background: var(--flamingo); color: var(--deep-space); }
.fig-head .claim { font: 600 18px/1.35 var(--font-text); color: var(--deep-ocean); text-wrap: balance; }
.panel.dark .fig-head .claim { color: #fff; }
.fig-sub { margin: -8px 0 18px; font: 400 14.5px/1.5 var(--font-text); color: var(--ink-2); max-width: 760px; }
.panel.dark .fig-sub { color: rgba(232,238,252,.7); }
.figure > figcaption { margin: 16px 0 0; max-width: var(--measure); font: 400 15px/1.5 var(--font-text); color: var(--ink-2); }
.seg { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: rgba(255,255,255,.8); box-shadow: inset 0 0 0 1px rgba(0,34,83,.1); }
.seg button { font: 500 12.5px/1 var(--font-mono); letter-spacing: .02em; color: var(--ink-2); background: transparent; border: 0; border-radius: 999px; padding: 9px 14px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--deep-ocean); color: #fff; }
.panel.dark .seg { background: rgba(255,255,255,.08); box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.panel.dark .seg button { color: rgba(232,238,252,.75); }
.panel.dark .seg button[aria-pressed="true"] { background: #fff; color: var(--deep-space); }
.rule-chip { display: inline-flex; align-items: center; gap: 6px; font: 500 12px/1 var(--font-mono); letter-spacing: .01em; color: #fff; background: var(--rocket-fire); border-radius: 999px; padding: 6px 10px 5px; white-space: nowrap; }
.rule-chip.pass { background: var(--pass); }
.rule-chip.seam { background: #c2188f; }
.rule-chip.muted { background: rgba(0,34,83,.08); color: var(--ink-2); }
.slide { display: block; width: 100%; height: auto; border-radius: 8px; box-shadow: 0 0 0 1px rgba(0,34,83,.08), 0 16px 36px -18px rgba(0,34,83,.4); background: #fff; }

/* Figure placeholder (data pending) */
.todo { display: grid; place-items: center; min-height: 240px; border: 1.5px dashed var(--periwinkle); border-radius: 14px; background: repeating-linear-gradient(45deg, #fff, #fff 10px, #f7f9fe 10px, #f7f9fe 20px); padding: 28px; text-align: center; }
.todo .what { font: 600 16px/1.4 var(--font-text); color: var(--deep-ocean); max-width: 560px; }
.todo .how { margin-top: 8px; font: 400 14px/1.5 var(--font-text); color: var(--ink-2); max-width: 620px; }
.todo .tag { display: inline-block; margin-bottom: 12px; font: 600 12.5px/1 var(--font-text); color: var(--ultramarine); background: var(--glacier); padding: 6px 10px; border-radius: 999px; }

/* ---------- Bands: full-bleed color sections ---------- */
.band { position: relative; width: 100%; padding: 72px 0; margin: 72px 0; }
.band.glacier { background: linear-gradient(180deg, #eaf1fd, #f4f8fe); }
.band.night { background: radial-gradient(120% 80% at 70% 0%, #0d2d70 0%, #04163a 45%, var(--deep-space) 100%); color: #fff; }
.band > .figure { margin: 0 auto; }
.band .band-intro { max-width: calc(var(--measure) + 2 * var(--gutter)); margin: 0 auto 36px; padding: 0 var(--gutter); }
.band.night .band-intro p { color: rgba(232,238,252,.85); }

/* ---------- End matter ---------- */
.endmatter { grid-column: text; margin-top: 64px; padding-top: 28px; border-top: 1px solid rgba(0,34,83,.16); }
.endmatter .about { font: italic 400 16px/1.55 var(--font-text); color: var(--ink-2); }
.cite { margin-top: 24px; padding: 18px 20px; border-radius: 12px; background: var(--glacier-50); font: 400 12.5px/1.6 var(--font-mono); color: var(--ink-2); white-space: pre; overflow-x: auto; }
.tools { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.series { max-width: calc(var(--wide) + 2 * var(--gutter)); margin: 104px auto 0; padding: 0 var(--gutter); }
.series .t { font: 600 17px/1 var(--font-text); color: var(--deep-ocean); margin-bottom: 18px; }
.series .row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.series a { text-decoration: none; color: var(--deep-ocean); }
.series .plate { aspect-ratio: 16 / 10; border-radius: 12px; background: var(--glacier) center/cover; transition: transform .3s; }
.series a:hover .plate { transform: translateY(-3px); }
.series .st { margin-top: 12px; font: 500 19px/1.22 var(--font-display); letter-spacing: -0.01em; }
.series .sd { margin-top: 7px; font: 400 14px/1 var(--font-text); color: var(--ink-3); }

@media (max-width: 720px) {
  .masthead { padding: 16px 20px; }
  .masthead nav a:not(:first-child) { display: none; }
  .post-head { padding-top: 36px; }
  .dek { font-size: 19.5px; }
  .byline .meta { display: none; }
  .flow > p, .flow > ul > li, .flow > ol > li { font-size: 17.5px; line-height: 1.62; }
  .flow h2 { font-size: 30px; }
  .pull { font-size: 26px; }
  .figure { margin: 44px auto; padding: 0 12px; }
  .panel { padding: 18px 16px 14px; border-radius: 14px; }
  .ribbon img { width: 224px; height: 126px; }
  .series .row { grid-template-columns: 1fr; }
  .band { padding: 48px 0; }
}

/* ---------- Quiz ---------- */
.quiz { --gap: 18px; }
.qz-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.qz-prog { display: flex; gap: 6px; }
.qz-prog i { width: 26px; height: 6px; border-radius: 6px; background: rgba(0,34,83,.12); }
.qz-prog i.cur { background: var(--ultramarine); }
.qz-prog i.ok { background: var(--pass); }
.qz-prog i.no { background: var(--rocket-fire); }
.qz-count { font-size: 12.5px; color: var(--ink-2); }
.qz-skip { margin-left: auto; font: 500 12.5px/1 var(--font-mono); color: var(--ink-2); background: none; border: 0; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.qz-stage { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.qz-card { position: relative; display: block; padding: 0; border: 0; background: none; cursor: pointer; border-radius: 10px; text-align: left; }
.qz-card img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; box-shadow: 0 0 0 1px rgba(0,34,83,.1), 0 18px 34px -20px rgba(0,34,83,.45); transition: transform .2s, box-shadow .2s; background: #fff; }
.qz-card:hover img { transform: translateY(-3px); box-shadow: 0 0 0 2px var(--ultramarine), 0 22px 40px -20px rgba(24,98,212,.55); }
.qz-card:disabled { cursor: default; }
.qz-card:disabled:hover img { transform: none; }
.qz-tag { position: absolute; z-index: 2; top: -11px; left: -11px; box-shadow: 0 0 0 3px #fff; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--deep-ocean); color: #fff; font: 500 14px/1 var(--font-display); }
.qz-verdict { position: absolute; z-index: 2; bottom: 10px; left: 10px; font: 500 12px/1 var(--font-mono); color: #fff; padding: 7px 10px 6px; border-radius: 999px; opacity: 0; transition: opacity .2s; }
.answered .qz-card .qz-verdict { opacity: 1; }
.answered .qz-card.is-better img { box-shadow: 0 0 0 3px var(--pass), 0 18px 34px -20px rgba(0,34,83,.45); }
.answered .qz-card.is-better .qz-verdict { background: var(--pass); }
.answered .qz-card.is-worse img { opacity: .78; }
.answered .qz-card.is-worse .qz-verdict { background: rgba(0,14,33,.72); }
.answered .qz-card.is-picked .qz-tag { background: var(--flamingo); color: var(--deep-space); }
.qz-reveal { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; min-height: 54px; margin-top: 16px; font: 400 15.5px/1.45 var(--font-text); color: var(--ink); }
.qz-ask { color: var(--ink-2); }
.qz-res { font: 600 15px/1 var(--font-text); }
.qz-res.ok { color: var(--pass); }
.qz-res.no { color: var(--rocket-fire); }
.qz-edit { flex: 1 1 360px; }
.qz-next, .qz-again { margin-left: auto; font: 500 13px/1 var(--font-mono); color: #fff; background: var(--ultramarine); border: 0; border-radius: 999px; padding: 11px 16px; cursor: pointer; }
.qz-end { padding: 28px 4px 8px; }
.qz-end .qz-big { margin: 0 0 8px; font: 500 44px/1 var(--font-display); letter-spacing: -0.02em; color: var(--deep-ocean); }
.qz-end p { max-width: 640px; font: 400 16px/1.5 var(--font-text); color: var(--ink-2); }
@media (max-width: 720px) { .qz-stage { grid-template-columns: 1fr; } .qz-skip { display: none; } }

/* ---------- Subtle-failure inspector ---------- */
.sb-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.sb-tabs button { font: 500 13.5px/1 var(--font-text); color: var(--ink-2); background: #fff; border: 1px solid rgba(0,34,83,.12); border-radius: 999px; padding: 10px 15px; cursor: pointer; }
.sb-tabs button[aria-selected="true"] { color: #fff; background: var(--deep-ocean); border-color: var(--deep-ocean); }
.sb-body { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(250px, 1fr); gap: 30px; align-items: start; }
.sb-stage { position: relative; }
.sb-frame { position: relative; }
.sb-shot, .sb-after { display: block; width: 100%; height: auto; border-radius: 8px; box-shadow: 0 0 0 1px rgba(0,34,83,.08), 0 18px 36px -20px rgba(0,34,83,.45); }
.sb-after { position: absolute; inset: 0; opacity: 0; transition: opacity .35s; }
.show-fix .sb-after { opacity: 1; }
.sb-box { position: absolute; border: 2.5px solid #ff5000; border-radius: 4px; box-shadow: 0 0 0 4px rgba(255,255,255,.55); transition: opacity .3s; pointer-events: none; }
.sb-lens { position: absolute; width: clamp(150px, 19vw, 210px); aspect-ratio: 1; border-radius: 50%; overflow: visible; box-shadow: 0 18px 40px -12px rgba(0,14,33,.55); background: #fff; transition: opacity .3s; pointer-events: none; }
.sb-lens-img { position: absolute; inset: 0; border-radius: 50%; background-repeat: no-repeat; background-color: #fff; }
.sb-chip { position: absolute; left: 50%; bottom: -14px; transform: translateX(-50%); white-space: nowrap; font-size: 12px; color: #fff; padding: 6px 10px 5px; border-radius: 999px; box-shadow: 0 6px 14px -6px rgba(0,14,33,.5); }
.sb-lens-ring { position: absolute; inset: 0; border-radius: 50%; border: 3px solid #ff5000; }
.sb-link { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; transition: opacity .3s; }
.sb-link line { stroke-width: 2; stroke-dasharray: 4 4; }
.is-raw .sb-box, .is-raw .sb-lens, .is-raw .sb-link { opacity: 0; }
.sb-side .seg { margin-bottom: 20px; }
.sb-rule { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.sb-tier { font: 500 13px/1 var(--font-text); color: var(--ink-3); }
.sb-one { margin: 0 0 16px; font: 600 18px/1.35 var(--font-text); color: var(--deep-ocean); }
.sb-meter { margin: 0 0 16px; }
.sb-meter-bar { position: relative; height: 10px; border-radius: 10px; background: rgba(0,34,83,.08); }
.sb-meter-bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 10px; }
.sb-meter-bar b { position: absolute; top: -5px; bottom: -5px; width: 2px; background: var(--deep-ocean); }
.sb-meter-lbl { display: flex; justify-content: space-between; margin-top: 8px; font: 400 12.5px/1.3 var(--font-mono); color: var(--ink-2); }
.sb-meter-lbl b { color: var(--deep-ocean); font-weight: 500; }
.sb-why { margin: 0 0 16px; font: 400 15px/1.5 var(--font-text); color: var(--ink-2); }
.sb-src { margin-top: 14px; font-size: 11.5px; color: var(--ink-3); }
@media (max-width: 900px) { .sb-body { grid-template-columns: 1fr; } .sb-lens { width: 130px; } }

/* ---------- Rule catalogue ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.cat-card { position: relative; background: #fff; border-radius: 14px; padding: 16px 16px 14px; box-shadow: 0 0 0 1px rgba(0,34,83,.07); border-top: 4px solid var(--c); overflow: hidden; }
.cat-ex { display: block; width: calc(100% + 32px); margin: -16px -16px 12px; aspect-ratio: 16 / 7; object-fit: cover; object-position: center; }
.cat-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.cat-name { font: 600 15.5px/1.2 var(--font-text); color: var(--deep-ocean); }
.cat-count { font-size: 11.5px; color: var(--ink-3); white-space: nowrap; }
.cat-desc { margin: 6px 0 10px; font: 400 13px/1.4 var(--font-text); color: var(--ink-2); }
.cat-rules { list-style: none; margin: 0; padding: 0; }
.cat-rules li { display: grid; grid-template-columns: minmax(0, 1fr) 54px 38px; align-items: center; gap: 8px; padding: 4px 0; border-top: 1px solid rgba(0,34,83,.06); }
.cat-rules code { font: 400 11.5px/1.3 var(--font-mono); color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-bar { height: 6px; border-radius: 6px; background: rgba(0,34,83,.06); overflow: hidden; }
.cat-bar i { display: block; height: 100%; background: var(--c); border-radius: 6px; }
.cat-pct { font-size: 11px; color: var(--ink-2); text-align: right; }
@media (max-width: 1000px) { .cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cat-grid { grid-template-columns: 1fr; } }

/* ---------- Stepper ---------- */
.st-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; list-style: none; margin: 0 0 18px; padding: 0; counter-reset: s; }
.st-steps button { width: 100%; display: grid; grid-template-columns: 28px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-items: center; text-align: left; padding: 10px 12px; border-radius: 12px; background: #fff; border: 1px solid rgba(0,34,83,.1); cursor: pointer; }
.st-n { grid-row: span 2; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--glacier); color: var(--ultramarine); font: 500 14px/1 var(--font-display); }
.st-t { font: 600 14px/1.2 var(--font-text); color: var(--deep-ocean); }
.st-ms { font-size: 11px; color: var(--ink-3); }
.st-steps button.on { border-color: var(--ultramarine); box-shadow: 0 0 0 2px rgba(24,98,212,.18); }
.st-steps button.on .st-n, .st-steps button.done .st-n { background: var(--ultramarine); color: #fff; }
.st-body { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(240px, 1fr); gap: 26px; align-items: start; }
.st-view { min-height: 300px; }
.st-code { margin: 0; max-height: 420px; overflow: auto; padding: 18px 20px; border-radius: 12px; background: var(--deep-space); color: #cfe0ff; font: 400 12.5px/1.6 var(--font-mono); white-space: pre-wrap; word-break: break-word; }
.st-code .t { color: var(--sky); font-weight: 500; }
.st-code .a { color: var(--flamingo); font-style: normal; }
.st-code .v { color: #b9f3c8; font-style: normal; }
.st-diff .add { display: block; background: rgba(92,201,123,.16); color: #c8f7d4; }
.st-diff .del { display: block; background: rgba(255,80,0,.16); color: #ffd2bf; text-decoration: line-through; text-decoration-color: rgba(255,80,0,.5); }
.st-find { display: grid; gap: 10px; }
.st-f { background: #fff; border-radius: 12px; padding: 12px 14px; box-shadow: 0 0 0 1px rgba(0,34,83,.07); }
.st-f p { margin: 8px 0 0; font: 400 13px/1.5 var(--font-mono); color: var(--ink); }
.st-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.st-pair figure { margin: 0; }
.st-pair figcaption { margin-top: 6px; font: 500 12px/1 var(--font-mono); color: var(--ink-3); }
.st-blurb { margin: 0 0 18px; font: 400 16px/1.55 var(--font-text); color: var(--ink); }
.st-blurb b { color: var(--deep-ocean); }
.st-nav { display: flex; gap: 8px; }
.st-nav .tool-btn:disabled { opacity: .35; cursor: default; }
@media (max-width: 900px) { .st-body { grid-template-columns: 1fr; } }

/* ---------- Scatter ---------- */
.sc-svg { width: 100%; height: auto; display: block; overflow: visible; }
.sc-svg .grid { stroke: rgba(0,34,83,.08); }
.sc-svg .tick { font: 400 12px var(--font-mono); fill: var(--ink-3); }
.sc-svg .axis { font: 500 13px var(--font-text); fill: var(--ink-2); }
.sc-svg .fit { fill: rgba(24,98,212,.32); }
.sc-svg .over { fill: rgba(255,80,0,.55); }
.sc-svg .rlabel rect { fill: #fff; stroke: rgba(0,34,83,.12); }
.sc-svg .rbig { font: 500 26px var(--font-display); fill: var(--deep-ocean); }
.sc-svg .rsmall { font: 400 12px var(--font-mono); fill: var(--ink-3); }

/* ---------- Paired bars ---------- */
.pb-legend { display: flex; gap: 20px; margin-bottom: 16px; font: 500 13px/1 var(--font-text); color: var(--ink-2); }
.pb-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; }
.pb-legend i.a, .pb-bar.a i { background: var(--ultramarine); }
.pb-legend i.b, .pb-bar.b i { background: rgba(0,34,83,.22); }
.pb-row { display: grid; grid-template-columns: 240px 1fr 132px; gap: 22px; align-items: center; padding: 16px 0; border-top: 1px solid rgba(0,34,83,.08); }
.pb-k { font: 600 15px/1.3 var(--font-text); color: var(--deep-ocean); }
.pb-k span { display: block; margin-top: 4px; font: 400 13px/1.4 var(--font-text); color: var(--ink-3); }
.pb-bars { display: grid; gap: 7px; }
.pb-bar { position: relative; height: 26px; border-radius: 7px; background: rgba(0,34,83,.04); }
.pb-bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 7px; }
.pb-bar b { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); font: 500 13px/1 var(--font-mono); color: #fff; }
.pb-bar.b b { color: var(--deep-ocean); }
@media (max-width: 720px) { .pb-row { grid-template-columns: 1fr; gap: 10px; } }

/* ---------- Reward-hacking explorer ---------- */
.ex-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ex-col { margin: 0; }
.ex-h { margin-bottom: 10px; font: 600 14px/1 var(--font-text); color: var(--ink-2); }
.ex-col.hack .ex-h { color: var(--rocket-fire); }
.ex-col.good .ex-h { color: var(--pass); }
.ex-col.hack .slide { box-shadow: 0 0 0 2px var(--rocket-fire), 0 16px 36px -18px rgba(0,34,83,.4); }
.ex-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ex-note { margin: 18px 0 0; max-width: 760px; font: 400 15.5px/1.5 var(--font-text); color: var(--ink); }
@media (max-width: 900px) { .ex-grid { grid-template-columns: 1fr; } }

/* ---------- Anatomy of a record (dataset) ---------- */
.record { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr); gap: 34px; align-items: center; }
.rec-col { display: grid; gap: 14px; }
.rec-col h4 { margin: 0 0 2px; font: 600 14px/1 var(--font-text); color: var(--sky); }
.rec-item { position: relative; padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.1); }
.rec-item .k { font: 600 15px/1.25 var(--font-text); color: #fff; }
.rec-item .v { margin-top: 4px; font: 400 13px/1.45 var(--font-text); color: rgba(232,238,252,.7); }
.rec-item .num { display: block; margin-top: 8px; font: 500 26px/1 var(--font-display); letter-spacing: -0.01em; color: var(--sky); }
.rec-item.people .num { color: var(--flamingo); }
.rec-center { position: relative; }
.rec-center img { display: block; width: 100%; height: auto; border-radius: 10px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); }
.rec-frame { position: relative; }
.rec-frame svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.rec-center .rec-cap { margin-top: 14px; text-align: center; font: 400 12px/1.4 var(--font-mono); color: rgba(232,238,252,.55); }
@media (max-width: 1000px) { .record { grid-template-columns: 1fr; } .rec-center { order: -1; } }

/* ---------- Wall of rules ---------- */
.rulewall { position: relative; }
.rw-rows { display: grid; gap: 4px; }
.rw-row { display: grid; grid-template-columns: 210px 1fr; gap: 18px; align-items: start; padding: 10px 0; border-top: 1px solid rgba(0,34,83,.08); }
.rw-fam { display: flex; align-items: center; gap: 9px; padding-top: 4px; }
.rw-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--c); flex: none; }
.rw-name { font: 600 14px/1.25 var(--font-text); color: var(--deep-ocean); }
.rw-n { margin-left: auto; font-size: 11.5px; color: var(--ink-3); }
.rw-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.rw-chip { font: 400 12px/1 var(--font-mono); color: var(--ink); background: #fff; border-radius: 6px; padding: 6px 8px 5px; box-shadow: inset 0 0 0 1px rgba(0,34,83,.12); cursor: default; transition: transform .15s; }
.rw-chip:hover, .rw-chip:focus { outline: none; box-shadow: inset 0 0 0 1.5px var(--c); transform: translateY(-1px); }
.rw-tip { position: absolute; z-index: 5; width: 320px; padding: 10px 12px; border-radius: 10px; background: var(--deep-space); color: #fff; font: 400 13px/1.45 var(--font-text); box-shadow: 0 16px 32px -12px rgba(0,14,33,.5); pointer-events: none; }
@media (max-width: 720px) { .rw-row { grid-template-columns: 1fr; gap: 8px; } }

/* Small screens: collapse the margin columns so the text gets the full width */
@media (max-width: 760px) {
  .flow { grid-template-columns: [full-start] 18px [wide-start text-start] minmax(0, 1fr) [text-end wide-end] 18px [full-end]; }
  .flow > .figure, .flow > .band { padding-left: 0; padding-right: 0; }
  .band .figure { padding: 0 12px; }
}

.pb-bar b.out { color: var(--deep-ocean); }
.pb-ratio span { display: inline-block; font: 500 12px/1 var(--font-mono); color: var(--ultramarine); background: #fff; border-radius: 999px; padding: 7px 10px 6px; box-shadow: inset 0 0 0 1px rgba(24,98,212,.25); white-space: nowrap; }
@media (max-width: 720px) { .pb-row { grid-template-columns: 1fr; } .pb-ratio { justify-self: start; } }

/* ---------- What fails first ---------- */
.ff-stats { display: flex; align-items: stretch; gap: 10px; margin-bottom: 26px; }
.ff-stat { flex: 1; background: #fff; border-radius: 14px; padding: 18px 18px 16px; box-shadow: 0 0 0 1px rgba(0,34,83,.07); }
.ff-stat .v { font: 500 52px/1 var(--font-display); letter-spacing: -0.025em; color: var(--deep-ocean); }
.ff-stat .v span { font-size: .55em; margin-left: 2px; color: var(--ink-2); }
.ff-stat.s0 .v { color: var(--rocket-fire); }
.ff-stat.s1 .v { color: var(--ultramarine); }
.ff-stat.s2 .v { color: var(--pass); }
.ff-stat .k { margin-top: 10px; font: 400 14px/1.4 var(--font-text); color: var(--ink-2); }
.ff-arrow { display: grid; place-items: center; font: 400 22px/1 var(--font-text); color: var(--ink-3); }
.ff-head { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) 128px; gap: 18px; padding: 0 0 8px; font: 500 13px/1.2 var(--font-text); color: var(--ink-3); }
.ff-row { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) 128px; gap: 18px; align-items: center; padding: 9px 0; border-top: 1px solid rgba(0,34,83,.08); }
.ff-k code { display: block; font: 500 12.5px/1.3 var(--font-mono); color: var(--deep-ocean); }
.ff-k span { display: block; margin-top: 2px; font: 400 13.5px/1.35 var(--font-text); color: var(--ink-2); }
.ff-bar { position: relative; height: 22px; border-radius: 6px; background: rgba(0,34,83,.05); }
.ff-bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; background: linear-gradient(90deg, #ff8a4c, var(--rocket-fire)); }
.ff-bar b { position: absolute; left: calc(100% + 0px); top: 50%; transform: translate(8px, -50%); font: 500 12.5px/1 var(--font-mono); color: var(--ink); }
.ff-bar i + b { left: auto; }
.ff-row .ff-bar b { position: static; transform: none; display: inline-block; margin-left: 8px; line-height: 22px; }
.ff-row .ff-bar { display: flex; background: none; }
.ff-row .ff-bar i { position: relative; display: block; height: 22px; min-width: 4px; }
.ff-clear { font: 500 13.5px/1 var(--font-mono); color: var(--pass); }
@media (max-width: 760px) { .ff-stats { flex-direction: column; } .ff-arrow { transform: rotate(90deg); } .ff-head, .ff-row { grid-template-columns: 1fr 90px; } .ff-head span:nth-child(2), .ff-row .ff-bar { grid-column: 1 / -1; } }

/* ---------- Length vs fit ---------- */
.lf-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.lf-plot { position: relative; }
.lf-svg { width: 100%; height: auto; display: block; overflow: visible; }
.lf-svg .grid { stroke: rgba(0,34,83,.08); }
.lf-svg .tick { font: 400 11.5px var(--font-mono); fill: var(--ink-3); }
.lf-svg .axis { font: 500 12.5px var(--font-text); fill: var(--ink-2); }
.lf-svg .strip { fill: rgba(24,98,212,.06); }
.lf-svg .fit { fill: rgba(24,98,212,.28); }
.lf-svg .over { fill: rgba(255,80,0,.5); }
.lf-svg .mk { fill: none; stroke-width: 2.5; }
.lf-svg .mk.a { stroke: #c2188f; } .lf-svg .mk.b { stroke: var(--deep-ocean); }
.lf-svg .mkl { font: 600 13px var(--font-text); }
.lf-svg .mkl.a { fill: #c2188f; } .lf-svg .mkl.b { fill: var(--deep-ocean); }
.lf-r { position: absolute; right: 8px; top: 6px; text-align: right; background: rgba(255,255,255,.92); border-radius: 12px; padding: 10px 14px; box-shadow: 0 0 0 1px rgba(0,34,83,.1); }
.lf-r b { display: block; font: 500 26px/1 var(--font-display); color: var(--deep-ocean); }
.lf-r span { display: block; margin-top: 6px; font: 400 12px/1.3 var(--font-mono); color: var(--ink-3); }
.lf-pair { display: grid; gap: 16px; }
.lf-pair figure { position: relative; margin: 0; }
.lf-pair figcaption { margin-top: 8px; font: 400 14px/1.45 var(--font-text); color: var(--ink-2); }
.lf-pair figcaption b { color: var(--deep-ocean); }
.lf-tag { position: absolute; z-index: 2; top: -10px; left: -10px; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: #fff; font: 500 13px/1 var(--font-display); box-shadow: 0 0 0 3px var(--glacier-50); }
.lf-tag.a { background: #c2188f; } .lf-tag.b { background: var(--deep-ocean); }
@media (max-width: 900px) { .lf-grid { grid-template-columns: 1fr; } }

/* ---------- X-ray strip ---------- */
.xray { margin: 4px 0 26px; }
.xr-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.xr-tile { margin: 0; }
.xr-frame { position: relative; border-radius: 8px; overflow: hidden; box-shadow: 0 0 0 1px rgba(0,34,83,.08), 0 14px 30px -18px rgba(0,34,83,.5); background: var(--deep-space); }
.xr-frame img { display: block; width: 100%; height: auto; transition: filter .35s; filter: saturate(.85) brightness(.72); }
.xr-frame svg { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity .35s; }
.xr-tile:hover img { filter: none; }
.xr-tile:hover svg { opacity: 0; }
@media (max-width: 760px) { .xr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.rw-intro { margin: 0 0 12px; font: 400 14.5px/1.5 var(--font-text); color: var(--ink-2); }
.rw-intro b { color: var(--deep-ocean); font-weight: 600; }
.rw-chip.hot { color: var(--deep-ocean); background: color-mix(in srgb, var(--c) var(--w), #ffffff); box-shadow: none; }
.rw-chip.hot.dark { color: #fff; }
.rw-rest { display: contents; }
.rw-row:not(.open) .rw-rest { display: none; }
.rw-more { font: 500 12px/1 var(--font-mono); color: var(--ultramarine); background: none; border: 1px dashed rgba(24,98,212,.4); border-radius: 6px; padding: 6px 8px 5px; cursor: pointer; }
.rw-row { padding: 8px 0; }
.xr-frame img { filter: saturate(.9) brightness(.8); }
.lf-svg .strip-l { font: 500 11.5px var(--font-mono); fill: var(--ultramarine); }
.lf-r { text-align: left; }
.ex-cap { margin: 8px 0 0; font: 400 13.5px/1.45 var(--font-text); color: var(--ink-2); }
.ex-chips .rule-chip { white-space: normal; line-height: 1.3; }
.ex-note { margin: 18px 0 0; max-width: 760px; font: 400 16px/1.5 var(--font-text); color: var(--ink); }
.ex-chips .rule-chip { border-radius: 10px; }
.sb-lens-marks { position: absolute; inset: 0; border-radius: 50%; overflow: hidden; }
.sb-lens-marks i { position: absolute; height: 0; border-top: 2.5px solid; }
.sb-lens-marks em { position: absolute; transform: translateY(-130%); font: 500 10.5px/1 var(--font-mono); font-style: normal; background: rgba(255,255,255,.85); padding: 2px 4px; border-radius: 4px; }

/* ---------- Formats band ---------- */
.band.formats-band { padding: 56px 0 48px; }
.band .band-head { max-width: calc(var(--full) + 2 * var(--gutter)); margin: 0 auto 22px; padding: 0 var(--gutter); display: flex; align-items: baseline; gap: 14px; }
.band .band-head .claim { font: 600 18px/1.35 var(--font-text); color: var(--deep-ocean); }
.fm-strip { --inset: max(var(--gutter), calc((100% - var(--full)) / 2)); display: flex; gap: 16px; overflow-x: auto; padding: 6px var(--inset) 18px; scroll-padding-inline: var(--inset); scroll-snap-type: x proximity; scrollbar-width: thin; }
.fm-item { flex: none; margin: 0; height: 360px; aspect-ratio: var(--ar); scroll-snap-align: start; }
.fm-item img { display: block; height: 100%; width: 100%; object-fit: cover; border-radius: 8px; box-shadow: 0 0 0 1px rgba(0,34,83,.08), 0 18px 34px -20px rgba(0,34,83,.5); }
@media (max-width: 760px) { .fm-item { height: 300px; } }

/* ---------- Images figure ---------- */
.if-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr); gap: 30px; align-items: start; }
.if-stat { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.if-stat b { font: 500 54px/1 var(--font-display); letter-spacing: -0.025em; color: #6d3fd1; }
.if-stat span { font: 400 14.5px/1.4 var(--font-text); color: var(--ink-2); max-width: 240px; }
.if-row { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) 46px; gap: 10px; align-items: center; padding: 5px 0; border-top: 1px solid rgba(0,34,83,.06); }
.if-k { font: 400 13.5px/1.3 var(--font-text); color: var(--ink-2); }
.if-row.img .if-k { color: var(--deep-ocean); font-weight: 600; }
.if-bar { height: 12px; border-radius: 6px; background: rgba(0,34,83,.05); }
.if-bar i { display: block; height: 100%; border-radius: 6px; background: rgba(0,34,83,.22); }
.if-row.img .if-bar i { background: linear-gradient(90deg, #9b6cf2, #6d3fd1); }
.if-v { font-size: 12px; color: var(--ink-2); text-align: right; }
.if-key { display: flex; gap: 18px; margin-top: 12px; font: 400 12px/1 var(--font-mono); color: var(--ink-3); }
.if-key i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; background: rgba(0,34,83,.22); }
.if-key i.img { background: #6d3fd1; }
.if-slides { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 900px) { .if-grid { grid-template-columns: 1fr; } }
.sb-marks { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; transition: opacity .3s; overflow: visible; }
.sb-tag { position: absolute; z-index: 3; font-size: 12px; color: #fff; padding: 6px 10px 5px; border-radius: 999px; white-space: nowrap; box-shadow: 0 6px 14px -6px rgba(0,14,33,.5); transition: opacity .3s; }
.lensless .sb-lens, .lensless .sb-link { display: none; }
.is-raw .sb-marks, .is-raw .sb-tag { opacity: 0; }
.st-diff .hd { display: block; margin-top: 8px; color: var(--sky); font-weight: 500; }
.st-diff .hd:first-child { margin-top: 0; }
.st-diff em { font-style: normal; border-radius: 4px; padding: 0 3px; }
.st-diff em.plus { background: rgba(92,201,123,.2); color: #c8f7d4; }
.st-diff em.minus { background: rgba(255,80,0,.2); color: #ffd2bf; text-decoration: line-through; }
.st-code.st-diff { font-size: 13.5px; line-height: 1.9; }

/* ---------- Numbers band (dataset) ---------- */
.band.numbers-band { padding: 60px 0 64px; margin: 56px 0 8px; }
.numbers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px 28px; max-width: calc(var(--full) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.numbers > div:last-child { grid-column: span 2; }
.numbers dt { font: 500 46px/1 var(--font-display); letter-spacing: -0.025em; color: var(--flamingo); }
.numbers .checks dt { color: var(--sky); }
.numbers dd { margin: 12px 0 0; font: 400 16px/1.45 var(--font-text); color: rgba(232,238,252,.78); }
@media (min-width: 1300px) {
  .numbers { grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(0, 1.55fr); grid-template-rows: auto auto; gap: 0; }
  .numbers > div { display: grid; grid-row: span 2; grid-template-rows: subgrid; padding: 0 26px; border-left: 1px solid rgba(132,193,250,.2); }
  .numbers > div:first-child { padding-left: 0; border-left: 0; }
  .numbers > div:last-child { grid-column: auto; }
  .numbers dt { align-self: end; font-size: 54px; }
}
@media (max-width: 760px) { .numbers { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; } .numbers dt { font-size: 40px; } }

/* ---------- Try Gamma: the card above every post's end matter (a .figure.wide, so the contents rail tucks behind it) ---------- */
.cta-in { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 46px 52px; border-radius: 22px; background: linear-gradient(120deg, #d9e8fd 0%, #e9f1fe 55%, #f3f6fd 100%); box-shadow: inset 0 0 0 1px rgba(24,98,212,.08); }
.cta-in .sparkles { position: absolute; inset: 0; pointer-events: none; }
.cta-in .sparkles svg { position: absolute; fill: #fff; filter: drop-shadow(0 0 6px rgba(255,255,255,.9)); }
.flow > .cta + .endmatter { margin-top: 8px; }
.cta-words { position: relative; }
.cta-t { font: 500 clamp(32px, 3.8vw, 46px)/1.02 var(--font-display); letter-spacing: -0.026em; color: var(--deep-ocean); }
.cta-words p { margin: 12px 0 0; font: 400 19px/1.45 var(--font-text); color: rgba(0,34,83,.74); }
.cta-btn { position: relative; flex: none; padding: 16px 28px; border-radius: 999px; background: var(--ultramarine); color: #fff; font: 600 17px/1 var(--font-text); text-decoration: none; box-shadow: 0 10px 24px -12px rgba(24,98,212,.7); transition: background .2s, transform .2s; }
.cta-btn:hover { background: var(--deep-ocean); transform: translateY(-1px); }
@media (max-width: 720px) {
  .cta-in { flex-direction: column; align-items: flex-start; gap: 24px; padding: 34px 26px; }
  .cta-in .sparkles { display: none; }
}

/* ---------- Slide lightbox ---------- */
.ribbon img, img.slide { cursor: zoom-in; }
:is(a, button, label, [role="button"], [data-no-zoom]) :is(.ribbon img, img.slide) { cursor: inherit; }
.lightbox { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 60px 64px; background: rgba(0,14,33,.86); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); cursor: zoom-out; animation: lb-in .18s ease-out; }
.lightbox[hidden] { display: none; }
.lightbox img { display: block; height: auto; max-width: 100%; max-height: calc(100vh - 120px); object-fit: contain; border-radius: 10px; background: var(--glacier); box-shadow: 0 30px 80px -20px rgba(0,0,0,.6); }
.lightbox button { position: absolute; display: grid; place-items: center; width: 44px; height: 44px; padding: 0 0 3px; border: 0; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; font: 400 28px/1 var(--font-text); cursor: pointer; }
.lightbox button:hover { background: rgba(255,255,255,.26); }
.lightbox button:focus { outline: none; }
.lightbox button:focus-visible { box-shadow: 0 0 0 2px #fff; }
.lightbox button[hidden] { display: none; }
.lb-close { top: 14px; right: 14px; }
.lb-step { top: 50%; transform: translateY(-50%); }
.lb-step.prev { left: 12px; }
.lb-step.next { right: 12px; }
html.lb-open { overflow: hidden; }
@keyframes lb-in { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .lightbox { animation: none; } }
@media (max-width: 720px) {
  .lightbox { padding: 64px 10px; }
  .lb-step { top: auto; bottom: 14px; transform: none; }
  .lb-step.prev { left: calc(50% - 52px); }
  .lb-step.next { right: calc(50% - 52px); }
}