/* built by build.py from style.css, chrome.css, inner.css, scenes.css, studio.css - edit those files, not this one */
/* Rookspire site. Brand v1.0 (brand/README.md): Graphite, Paper, Signal; Barlow + Barlow Condensed (OFL).
   Contrast checked (WCAG): ink on paper 16.4, dim on paper 5.7, link-orange on paper 5.3, signal-dark on graphite 7.0,
   dim-dark on graphite 6.9. Pure Signal (#ff5b1f) is 2.8 on paper: graphics and large type only, never body text. */

@font-face { font-family: "Barlow"; src: url(../fonts/Barlow-Regular.woff2) format("woff2"), url(../fonts/Barlow-Regular.ttf) format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url(../fonts/Barlow-Medium.woff2) format("woff2"), url(../fonts/Barlow-Medium.ttf) format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow"; src: url(../fonts/Barlow-SemiBold.woff2) format("woff2"), url(../fonts/Barlow-SemiBold.ttf) format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Saira"; src: url(../fonts/Saira-600.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Saira"; src: url(../fonts/Saira-700.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url(../fonts/BarlowCondensed-Medium.woff2) format("woff2"), url(../fonts/BarlowCondensed-Medium.ttf) format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url(../fonts/BarlowCondensed-SemiBold.woff2) format("woff2"), url(../fonts/BarlowCondensed-SemiBold.ttf) format("truetype"); font-weight: 600; font-display: swap; }

:root {
  --ink: #14171c;          /* graphite */
  --paper: #f5f5f2;
  --bg: #0e1013;           /* page (studio theme: dark) */
  --fg: #eceef1;           /* page text, 16.9:1 on --bg */
  --deep: #08090b;         /* viewports, footer */
  --paper-2: #171a1f;      /* quiet panels on the page */
  --line: #262a31;
  --dim: #9aa1aa;          /* secondary text on --bg, 7.2:1 */
  --signal: #ff5b1f;       /* the mark, graphics, large display accents */
  --signal-text: #ff7a45;  /* orange text/links on --bg, 7.3:1 */
  --steel: #22272e;        /* surfaces inside the dark "viewport" panels */
  --steel-line: #343a43;
  --dim-dark: #9aa1aa;     /* secondary text on graphite, 6.9:1 */
  --signal-dark: #ff7a45;  /* orange on graphite, 7.0:1 */

  --display: "Saira", "Barlow", system-ui, sans-serif;
  --body: "Barlow", system-ui, sans-serif;
  /* type scale, ratio 1.333 from 16 */
  --t-sm: 0.875rem; --t-base: 1rem; --t-md: 1.25rem; --t-lg: 1.75rem; --t-xl: 2.375rem; --t-2xl: 3.25rem; --t-3xl: 4.5rem;
  /* spacing, base 8 */
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px; --s6: 48px; --s8: 64px; --s12: 96px; --s16: 128px;
  --max: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
* { -webkit-tap-highlight-color: transparent; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 var(--t-base)/1.6 var(--body); }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--signal-text); outline-offset: 3px; }
.skip { position: absolute; left: -9999px; } .skip:focus { left: var(--s2); top: var(--s2); z-index: 100; background: var(--ink); color: var(--paper); padding: var(--s1) var(--s2); }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: clamp(16px, 4vw, 48px); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.05; letter-spacing: -0.005em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.25rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 4vw, var(--t-2xl)); }
h3 { font-size: var(--t-lg); }
p { margin: 0; max-width: 62ch; overflow-wrap: break-word; }
.lead { font-size: var(--t-md); color: var(--dim); line-height: 1.5; }

/* ---------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; gap: var(--s1); height: 48px; padding: 0 var(--s3); font: 600 var(--t-base) var(--body);
  text-decoration: none; border: 1.5px solid var(--fg); background: transparent; color: var(--fg); cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease), transform .16s var(--ease); }
.btn:hover { background: var(--fg); color: var(--bg); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--signal); border-color: var(--signal); color: var(--ink); }      /* ink on signal: 5.8:1 */
.btn--primary:hover { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.btn--small { height: 40px; padding: 0 var(--s2); font-size: var(--t-sm); }
.link { color: var(--signal-text); font-weight: 600; text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat; transition: background-size .2s var(--ease); }
.link:hover { background-size: 100% 1.5px; }

/* ---------------------------------------------------------------- header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(14, 16, 19, .86);   /* fallback before color-mix */
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(8px); backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.site-header.scrolled { border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: var(--s4); height: 72px; }
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 28px; width: auto; }
.nav { display: flex; gap: var(--s3); font-weight: 500; }
.nav a { text-decoration: none; color: var(--dim); padding: var(--s1) 0; transition: color .15s; }
.nav a:hover, .nav a[aria-current] { color: var(--fg); }
.header-tools { margin-left: auto; display: flex; align-items: center; gap: var(--s2); }
.search { display: flex; align-items: center; gap: var(--s1); height: 40px; padding: 0 var(--s2); min-width: 220px; border: 1px solid var(--line);
  background: var(--paper-2); color: var(--dim); font: inherit; font-size: var(--t-sm); cursor: text; }
.search kbd { margin-left: auto; font: 500 12px var(--body); border: 1px solid var(--line); padding: 0 6px; }
.lang { font-size: var(--t-sm); color: var(--dim); }
.lang b { color: var(--fg); font-weight: 600; }
.menu-btn { display: none; }

/* ---------------------------------------------------------------- hero */
.hero { padding-block: var(--s8) var(--s12); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: var(--s6); align-items: center; }
.hero h1 { margin-bottom: var(--s3); }
.hero .lead { margin-bottom: var(--s4); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s2); }
.viewport { position: relative; background: var(--deep); color: var(--paper); border: 1px solid var(--line); aspect-ratio: 5 / 4; overflow: hidden; }
.hero-poster { position: absolute; inset: 22% 30% 12%; width: 40%; height: 66%; transition: opacity .4s var(--ease); z-index: 1; pointer-events: none; }
.hero-poster.gone { opacity: 0; }
.viewport canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.viewport-bar { position: absolute; inset: 0 0 auto 0; display: flex; gap: var(--s2); align-items: center; height: 36px; padding: 0 var(--s2);
  font-size: 13px; color: var(--dim-dark); border-bottom: 1px solid var(--steel-line); background: rgba(20, 23, 28, .7); }
.viewport-bar .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal-dark); }
.system-tip { position: absolute; left: var(--s3); bottom: var(--s3); right: var(--s3); display: grid; gap: 4px; padding: var(--s2);
  background: var(--steel); border-left: 3px solid var(--signal-dark); max-width: 360px; transition: opacity .25s var(--ease), transform .25s var(--ease); }
.system-tip[hidden] { display: grid !important; opacity: 0; transform: translateY(8px); pointer-events: none; }
.system-tip b { font: 600 var(--t-md) var(--display); }
.system-tip span { color: var(--dim-dark); font-size: var(--t-sm); }
.hero-legend { position: absolute; top: 52px; right: var(--s2); display: grid; gap: 4px; font-size: 13px; color: var(--dim-dark); text-align: right; }
.hero-legend button { all: unset; cursor: pointer; padding: 2px 0; }
.hero-legend button:hover, .hero-legend button[aria-pressed="true"] { color: var(--signal-dark); }
.hero-legend button:focus-visible { outline: 2px solid var(--signal-dark); outline-offset: 2px; }

/* ---------------------------------------------------------------- facts (proof strip) */
.facts { border-block: 1px solid var(--line); }
.facts .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact { padding: var(--s4) var(--s3) var(--s4) 0; }
.fact + .fact { padding-left: var(--s3); border-left: 1px solid var(--line); }
.fact strong { display: block; font: 600 var(--t-lg)/1.1 var(--display); margin-bottom: 4px; }
.fact span { color: var(--dim); font-size: var(--t-sm); line-height: 1.5; display: block; }

/* ---------------------------------------------------------------- sections */
.section { padding-block: var(--s16) 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: var(--s4); margin-bottom: var(--s6); flex-wrap: wrap; }
.section-head p { color: var(--dim); }

/* products: the released one leads, the others are clearly "in testing" */
.products { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--s3); }
.product { position: relative; display: flex; flex-direction: column; background: var(--paper-2); text-decoration: none; }
.product-media { background: var(--deep); aspect-ratio: 16 / 9; position: relative; overflow: hidden; }
.product-media svg, .product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.product:hover .product-media svg, .product:hover .product-media img { transform: scale(1.03); }
.product-body { padding: var(--s3); display: grid; gap: var(--s1); min-width: 0; overflow-wrap: break-word; hyphens: auto; }  /* long words (ru, de, pl) never widen the card */
.product-body h3 { display: flex; align-items: baseline; gap: var(--s2); }
.status { font: 600 13px var(--body); padding: 2px 8px; border: 1px solid currentColor; color: var(--dim); }
.status--live { color: var(--signal-text); }
.price { font-weight: 600; }
.price small { color: var(--dim); font-weight: 400; }
.price-note { font-size: var(--t-sm); color: var(--dim); line-height: 1.5; max-width: 60ch; margin-top: 6px; }
.price-note a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.price-note a:hover { color: var(--fg); }
.product-actions { display: flex; gap: var(--s2); margin-top: var(--s1); flex-wrap: wrap; }
.product--lead { grid-row: span 3; }
.product--lead .product-media { aspect-ratio: 16 / 9; }   /* = the images: never crop the "not included" label */
.product--soon { display: grid; grid-template-columns: 160px minmax(0, 1fr); }
.product--soon .product-media { aspect-ratio: auto; }
.product--soon .product-body { padding: var(--s2) var(--s3); }
.product--soon h3 { font-size: var(--t-md); }

/* catalogue: the viewport again, one scene per system */
.catalogue { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--s6); align-items: start; }
.catalogue .viewport { aspect-ratio: 16 / 10; }
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: var(--s3); flex-wrap: wrap; }
.tabs button { all: unset; cursor: pointer; padding: var(--s2) var(--s2) calc(var(--s2) - 2px); font-weight: 600; color: var(--dim); border-bottom: 2px solid transparent; }
.tabs button[aria-selected="true"] { color: var(--fg); border-bottom-color: var(--signal); }
.tabs button:focus-visible { outline: 2px solid var(--signal-text); }
.spec { display: grid; grid-template-columns: max-content 1fr; gap: var(--s1) var(--s3); margin: var(--s3) 0; font-size: var(--t-sm); }
.spec dt { color: var(--dim); } .spec dd { margin: 0; }

/* why: a two-column list, not cards */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s6) var(--s8); }
.why-item { display: grid; grid-template-columns: 40px 1fr; gap: var(--s2); }
.why-item svg { width: 32px; height: 32px; stroke: var(--signal-dark); fill: none; stroke-width: 1.75; }
.why-item h3 { font-size: var(--t-md); margin-bottom: 4px; }
.why-item p { color: var(--dim); }

/* about */
.about { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--s8); align-items: center; }
.about-figure { aspect-ratio: 4 / 3; background: var(--paper-2); display: grid; place-items: center; color: var(--dim); }
.about blockquote { margin: 0 0 var(--s3); font: 500 var(--t-xl)/1.15 var(--display); }

/* blog */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); }
.post { text-decoration: none; display: grid; gap: var(--s2); }
.post-media { aspect-ratio: 3 / 2; background: var(--paper-2); overflow: hidden; }
.post-media svg { width: 100%; height: 100%; transition: transform .5s var(--ease); }
.post:hover .post-media svg { transform: scale(1.04); }
.post h3 { font-size: var(--t-md); }
.post time, .post .cat { color: var(--dim); font-size: var(--t-sm); }

/* support + newsletter band */
.help { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.help a { padding: var(--s4) var(--s3) var(--s4) 0; text-decoration: none; display: grid; gap: 4px; }
.help a + a { padding-left: var(--s3); border-left: 1px solid var(--line); }
.help b { font: 600 var(--t-lg) var(--display); }
.help span { color: var(--dim); font-size: var(--t-sm); }
.band { background: var(--paper-2); color: var(--fg); border-block: 1px solid var(--line); margin-top: var(--s16); padding-block: var(--s12); }
.band .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s6); align-items: end; }
.band p { color: var(--dim-dark); margin-top: var(--s2); }
.subscribe { display: grid; gap: var(--s2); justify-items: start; }
.field { display: flex; gap: var(--s1); }
.field input { flex: 1; height: 48px; padding: 0 var(--s2); border: 1px solid var(--steel-line); background: var(--steel); color: var(--paper); font: inherit; }
.field input::placeholder { color: var(--dim-dark); }
.field input:focus-visible { outline: 2px solid var(--signal-dark); outline-offset: 0; }
.consent { display: flex; gap: var(--s1); align-items: start; font-size: var(--t-sm); color: var(--dim-dark); }
.consent input { accent-color: var(--signal-dark); margin-top: 4px; }
.form-msg { font-size: var(--t-sm); min-height: 1.4em; color: var(--signal-dark); }

/* footer */
.site-footer { background: var(--deep); color: var(--dim-dark); border-top: 1px solid var(--steel-line); padding-block: var(--s8) var(--s4); font-size: var(--t-sm); }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s4); }
.site-footer h2 { font: 600 var(--t-base) var(--body); color: var(--fg); margin-bottom: var(--s2); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s1); }
.site-footer a { text-decoration: none; } .site-footer a:hover { color: var(--fg); }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--steel-line); padding-top: var(--s3); margin-top: var(--s4); display: flex; justify-content: space-between; gap: var(--s2); flex-wrap: wrap; }
.site-footer .brand img { height: 24px; margin-bottom: var(--s2); }

/* ---------------------------------------------------------------- the one page-load moment: hero text + the peak */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(12px); animation: rise .7s var(--ease) forwards; }
  .reveal:nth-child(2) { animation-delay: .12s; } .reveal:nth-child(3) { animation-delay: .24s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1024px) {
  .nav, .search { display: none; }
  .menu-btn { display: inline-flex; }
  .hero .wrap, .catalogue, .about, .band .wrap { grid-template-columns: minmax(0, 1fr); }
  .products { grid-template-columns: minmax(0, 1fr); }
  .products { grid-template-columns: 1fr; }
  .product--lead { grid-row: auto; }
  .facts .wrap { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding-block: var(--s12) 0; }
  .why, .posts, .help { grid-template-columns: 1fr; }
  .help a + a { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .product--soon { grid-template-columns: 112px minmax(0, 1fr); }
  .facts .wrap { grid-template-columns: 1fr; }
  .fact + .fact { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .field { flex-direction: column; }
  .lang { display: none; }
  .hero-legend { display: none; }
  .site-header .wrap { gap: var(--s2); }
  .header-tools .btn--primary { display: none; }       /* the hero carries the main call to action on phones */
}

/* ================================================================ studio hero: a quiet in-engine loop behind the headline */
.hero--film { position: relative; padding: 0; min-height: min(86vh, 820px); min-height: min(86svh, 820px); display: grid; align-items: end; overflow: hidden; isolation: isolate; }
.hero-film { position: absolute; inset: 0; z-index: -1; background: var(--deep); }
.hero-film video, .hero-film img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-film::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14, 16, 19, .35) 0%, rgba(14, 16, 19, .15) 35%, rgba(14, 16, 19, .92) 88%, var(--bg) 100%),
              linear-gradient(90deg, rgba(14, 16, 19, .85) 0%, rgba(14, 16, 19, 0) 65%); }
.hero-film-note { position: absolute; right: var(--s2); bottom: var(--s2); z-index: 1; font-size: 12px; color: var(--dim); }
.hero--film .wrap { display: block; width: 100%; padding-block: var(--s16) var(--s12); }
.hero--film h1 { max-width: 14ch; font-weight: 700; }
.hero--film .lead { color: #c9ced4; }
.hero-mark { width: 44px; height: auto; margin-bottom: var(--s3); }

/* Rookspire site: mobile navigation and the search dialog (every page). */
.mobile-nav { position: fixed; inset: 72px 0 0 0; padding-bottom: calc(var(--s4) + env(safe-area-inset-bottom, 0px)); background: var(--bg); z-index: 49; padding: var(--s4) clamp(16px, 4vw, 48px);
  display: grid; align-content: start; gap: var(--s2); transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s; }
.mobile-nav.open { transform: none; opacity: 1; visibility: visible; }
.mobile-nav a { font: 600 var(--t-xl) var(--display); text-decoration: none; }
dialog.search-dialog { width: min(640px, calc(100vw - 32px)); margin-top: 12vh; border: 0; padding: 0; background: var(--paper-2); color: var(--fg);
  box-shadow: 0 24px 64px rgba(20, 23, 28, .35); }
dialog.search-dialog::backdrop { background: rgba(20, 23, 28, .55); }
.search-dialog input { width: 100%; height: 56px; border: 0; border-bottom: 1px solid var(--line); padding: 0 var(--s3); font: inherit;
  font-size: var(--t-md); background: transparent; color: var(--fg); }
.search-dialog input:focus { outline: none; box-shadow: inset 0 -2px 0 var(--signal); }
.search-results { list-style: none; margin: 0; padding: var(--s1) 0; max-height: 50vh; overflow: auto; }
.search-results a { display: grid; padding: var(--s1) var(--s3); text-decoration: none; }
.search-results a:hover, .search-results a:focus { background: var(--paper-2); outline: none; }
.search-results small { color: var(--dim); }
.search-empty { padding: var(--s2) var(--s3); color: var(--dim); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }

/* language switch and the quiet other-language suggestion */
.lang a { color: var(--dim); text-decoration: none; } .lang a:hover { color: var(--fg); }
.lang b { color: var(--fg); font-weight: 600; }
.lang-suggest { position: fixed; left: 50%; bottom: calc(var(--s2) + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 70; max-width: calc(100vw - 32px);
  display: flex; flex-wrap: wrap; gap: var(--s2); align-items: center; justify-content: center; padding: var(--s1) var(--s2);
  background: var(--paper-2); color: var(--fg); border: 1px solid var(--line); font-size: var(--t-sm); box-shadow: 0 12px 32px rgba(20, 23, 28, .35); }  /* floats: never shifts the page */
.lang-suggest a { color: var(--signal-dark); font-weight: 600; }
.lang-suggest button { all: unset; cursor: pointer; color: var(--dim-dark); padding: 2px 6px; }
.lang-suggest button:focus-visible { outline: 2px solid var(--signal-dark); }
.mobile-nav .lang--mobile { display: block; font-size: var(--t-md); margin-top: var(--s2); }
/* header: nothing wraps; long labels (other languages) give way on mid-size screens */
.site-header .nav a, .header-tools > * { white-space: nowrap; }
@media (max-width: 1280px) { .search { min-width: 0; } .search .search-label, .search kbd { display: none; } }
.search svg { flex: none; }
/* other languages run longer: the search box keeps only its icon and shortcut below 1520 px, and the nav tightens */
@media (max-width: 1520px) { html:not([lang="en"]) .search { min-width: 0; } html:not([lang="en"]) .search .search-label { display: none; } }
@media (max-width: 1360px) { html:not([lang="en"]) .site-header .wrap { gap: var(--s3); } html:not([lang="en"]) .nav { gap: var(--s2); } }

/* ================================================================ language picker: a short scrollable list of every language */
.lang-picker { position: relative; }
.lang-btn { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 10px;
  font: 600 var(--t-sm) var(--body); color: var(--fg); border: 1px solid var(--line); background: var(--paper-2); white-space: nowrap; }
.lang-btn:hover { border-color: var(--dim); }
.lang-btn:focus-visible { outline: 2px solid var(--signal-text); outline-offset: 2px; }
.lang-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.lang-list { list-style: none; margin: 0; padding: 6px 0; }
.lang-picker .lang-list { position: absolute; right: 0; top: calc(100% + 6px); z-index: 60; width: 240px; max-height: 320px; overflow-y: auto;
  overscroll-behavior: contain; background: var(--paper-2); border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(0, 0, 0, .45);
  scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.lang-list a { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s2); padding: 9px 14px; text-decoration: none; color: var(--fg); }
.lang-list a small { color: var(--dim); font-size: 12px; letter-spacing: .04em; }
.lang-list a:hover, .lang-list a:focus { background: rgba(255, 122, 69, .1); outline: none; }
.lang-list a[aria-current] { color: var(--signal-text); font-weight: 600; }
.lang-mobile-title { margin: var(--s3) 0 0; font-size: var(--t-sm); color: var(--dim); }
.lang-list--mobile { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--s2); max-height: 40vh; overflow-y: auto; }
.lang-list--mobile a { font: 400 var(--t-base) var(--body); padding: 8px 0; }
@media (max-width: 640px) { .header-tools .lang-picker { display: none; } }
/* scripts the brand fonts do not cover: the system's own font for them (no multi-MB downloads) */
:lang(ja) body, :lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { font-family: "Saira", "Barlow", "Yu Gothic UI", "Hiragino Sans", "Noto Sans JP", "Meiryo", sans-serif; }
:lang(ko) body, :lang(ko) h1, :lang(ko) h2, :lang(ko) h3 { font-family: "Saira", "Barlow", "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
:lang(zh) body, :lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { font-family: "Saira", "Barlow", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif; }
:lang(zh-TW) body, :lang(zh-TW) h1, :lang(zh-TW) h2, :lang(zh-TW) h3 { font-family: "Saira", "Barlow", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif; }
:lang(ru) body, :lang(ru) h1, :lang(ru) h2, :lang(ru) h3 { font-family: "Saira", "Barlow", "Segoe UI", "Roboto", "Noto Sans", sans-serif; }
:lang(ja) h1, :lang(ko) h1, :lang(zh) h1 { letter-spacing: 0; line-height: 1.2; }
/* line breaking: Japanese by phrase (where supported), Korean by word */
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { word-break: auto-phrase; }
:lang(ko) h1, :lang(ko) h2, :lang(ko) h3, :lang(ko) p { word-break: keep-all; }

/* Rookspire site: inner pages (loaded after style.css). Same tokens, same rules. */
.page-head { padding-block: var(--s8) var(--s6); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.5rem, 5vw, var(--t-2xl)); margin-bottom: var(--s2); }
.crumbs { font-size: var(--t-sm); color: var(--dim); margin-bottom: var(--s2); }
.crumbs a { color: var(--dim); }
.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--s8); align-items: start; }

/* prose (blog posts, legal, about) */
.prose { max-width: 68ch; font-size: 1.0625rem; }
.prose h2 { font-size: var(--t-xl); margin: var(--s8) 0 var(--s2); }
.prose h3 { font-size: var(--t-md); margin: var(--s4) 0 var(--s1); }
.prose p, .prose ul, .prose ol { margin: 0 0 var(--s2); }
.prose li + li { margin-top: 4px; }
.prose code { font: 0.92em ui-monospace, "Cascadia Code", Consolas, monospace; background: var(--paper-2); padding: 1px 5px; }
.prose pre { background: var(--ink); color: var(--paper); padding: var(--s2) var(--s3); overflow-x: auto; font: 0.9rem/1.6 ui-monospace, "Cascadia Code", Consolas, monospace; }
.prose a { color: var(--signal-text); }
.post-meta { color: var(--dim); font-size: var(--t-sm); margin-top: var(--s2); }
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; background: var(--signal); transform-origin: 0 50%; transform: scaleX(0); z-index: 60; }

/* product page */
.buy { position: sticky; top: 96px; background: var(--paper-2); padding: var(--s4); display: grid; gap: var(--s2); }
.buy .price { font-size: var(--t-md); }
.glance { display: grid; grid-template-columns: max-content 1fr; gap: 6px var(--s3); font-size: var(--t-sm); margin: 0; }
.glance dt { color: var(--dim); } .glance dd { margin: 0; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s2); margin-top: var(--s2); }
.gallery .shot { all: unset; box-sizing: border-box; aspect-ratio: 16 / 9; background: var(--ink); cursor: zoom-in; overflow: hidden; display: block; }
.gallery .shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease), opacity .2s; }
.gallery .shot:hover img { transform: scale(1.04); }
.gallery .shot:focus-visible { outline: 2px solid var(--signal-text); outline-offset: 2px; }
dialog.lightbox { width: min(1400px, 94vw); max-height: 94vh; border: 0; padding: 0; background: var(--ink); color: var(--paper); overflow: visible; }
dialog.lightbox::backdrop { background: rgba(10, 12, 15, .88); }
.lightbox figure { margin: 0; }
.lightbox img { width: 100%; height: auto; max-height: 84vh; object-fit: contain; display: block; }
.lightbox figcaption { padding: var(--s1) var(--s2); font-size: var(--t-sm); color: var(--dim-dark); }
.lightbox button { all: unset; cursor: pointer; position: absolute; color: var(--paper); background: rgba(20, 23, 28, .75); padding: 8px 14px; font: 600 var(--t-base) var(--body); }
.lightbox button:focus-visible { outline: 2px solid var(--signal-dark); }
.lightbox .lb-prev { left: 8px; top: 45%; font-size: 2rem; } .lightbox .lb-next { right: 8px; top: 45%; font-size: 2rem; }
.lightbox .lb-close { right: 8px; top: 8px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s4) var(--s6); }
.feature-list h3 { font-size: var(--t-md); margin-bottom: 4px; }
.feature-list p { color: var(--dim); }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s3); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: var(--s2); }
.steps li::before { content: counter(step); font: 600 var(--t-xl)/1 var(--display); color: var(--signal-text); }
.limits { background: var(--paper-2); padding: var(--s4); border-left: 3px solid var(--signal-dark); }
.limits ul { margin: var(--s1) 0 0; padding-left: 1.2em; }

/* FAQ: native details/summary, animated where the browser supports it */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: var(--s3) 0; font: 600 var(--t-md)/1.3 var(--body); display: flex; justify-content: space-between; gap: var(--s2); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 1.6rem/1 var(--body); color: var(--dim); transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 0 var(--s3); color: var(--dim); max-width: 68ch; }
@supports (interpolate-size: allow-keywords) {
  :root { interpolate-size: allow-keywords; }
  .faq details::details-content { height: 0; overflow: clip; transition: height .25s var(--ease), content-visibility .25s allow-discrete; }
  .faq details[open]::details-content { height: auto; }
}
.faq-search { width: 100%; height: 48px; border: 1px solid var(--line); background: var(--paper-2); color: var(--fg); padding: 0 var(--s2); font: inherit; margin-bottom: var(--s4); }

/* forms (contact) */
.form { display: grid; gap: var(--s3); max-width: 560px; }
.float { position: relative; }
.float input, .float textarea, .float select { width: 100%; border: 1px solid var(--line); background: var(--paper-2); font: inherit; padding: 22px var(--s2) 8px; color: var(--fg); border-radius: 0; }
.float input, .float select { height: 56px; }
.float textarea { min-height: 160px; resize: vertical; }
.float select { appearance: none; padding-top: 18px; }
.float label { position: absolute; left: var(--s2); top: 17px; color: var(--dim); pointer-events: none; transition: top .15s var(--ease), font-size .15s var(--ease); }
.float input:focus + label, .float input:not(:placeholder-shown) + label,
.float textarea:focus + label, .float textarea:not(:placeholder-shown) + label, .float select + label { top: 6px; font-size: 12px; }
.float input:focus, .float textarea:focus, .float select:focus { outline: none; border-color: var(--fg); box-shadow: inset 0 -2px 0 var(--signal); }
.float .err { display: none; color: var(--signal-text); font-size: var(--t-sm); margin-top: 4px; }
.float.invalid input, .float.invalid textarea, .float.invalid select { border-color: var(--signal-text); }
.float.invalid .err { display: block; }
.spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.notice { padding: var(--s2) var(--s3); background: var(--paper-2); border-left: 3px solid var(--signal); }

/* timeline (about) */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 var(--s4) var(--s4); }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; background: var(--bg); border: 2px solid var(--signal); }
.timeline time { font: 600 var(--t-sm) var(--body); color: var(--signal-text); display: block; }
.timeline .planned::before { border-color: var(--line); }
.timeline .planned time { color: var(--dim); }

/* blog index */
.blog-layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: var(--s8); }
.blog-layout .posts { grid-template-columns: repeat(2, 1fr); }
.cats { list-style: none; padding: 0; margin: 0 0 var(--s4); display: grid; gap: var(--s1); }
.cats button { all: unset; cursor: pointer; color: var(--dim); }
.cats button[aria-pressed="true"] { color: var(--fg); font-weight: 600; }
.cats button:focus-visible { outline: 2px solid var(--signal-text); }

/* 404 */
.lost { padding-block: var(--s16); padding-inline: clamp(16px, 4vw, 48px); display: grid; place-items: center; text-align: center; gap: var(--s3); }
.lost svg { width: 140px; height: 140px; }
@media (prefers-reduced-motion: no-preference) {
  .lost .blade-r { animation: settle 1.2s var(--ease) .3s both; }
  @keyframes settle { from { transform: translateY(-40px); opacity: 0; } }
}

@media (max-width: 1024px) {
  .split, .blog-layout { grid-template-columns: minmax(0, 1fr); }
  .buy { position: static; }
}
@media (max-width: 640px) {
  .feature-list, .gallery, .blog-layout .posts { grid-template-columns: 1fr; }
}
.tabs button[aria-pressed="true"] { color: var(--fg); border-bottom-color: var(--signal); }
.tabs button[aria-pressed] { all: unset; cursor: pointer; padding: var(--s2) var(--s2) calc(var(--s2) - 2px); font-weight: 600; color: var(--dim); border-bottom: 2px solid transparent; }
.tabs button[aria-pressed="true"] { color: var(--fg); border-bottom-color: var(--signal); }
.tabs button[aria-pressed]:focus-visible { outline: 2px solid var(--signal-text); }

/* product video: click to play, nothing loads before */
.video-block video { width: 100%; height: auto; aspect-ratio: 16 / 9; background: var(--ink); display: block; }
.video-note { margin-top: var(--s1); font-size: var(--t-sm); color: var(--dim); }

/* Rookspire: the interactive system scenes (home catalogue, product pages). */
.scene { position: absolute; inset: 36px 0 0 0; }
.scene canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.scene-ui { position: absolute; inset: 0; pointer-events: none; font-size: 14px; color: var(--paper); }
.scene-ui button, .scene-ui .menu-panel { pointer-events: auto; }
.scene-note { position: absolute; left: var(--s2); bottom: var(--s2); color: var(--dim-dark); font-size: 13px; }
.scene-btn { font: 600 14px var(--body); color: var(--ink); background: var(--signal-dark); border: 0; height: 36px; padding: 0 var(--s2); cursor: pointer; user-select: none; touch-action: none; }
.scene-btn:hover { background: var(--paper); }
.scene-btn:focus-visible { outline: 2px solid var(--paper); outline-offset: 2px; }
.scene-ui > .scene-btn { position: absolute; right: var(--s2); bottom: var(--s2); }
.toast { position: absolute; left: 50%; top: var(--s2); transform: translateX(-50%); background: var(--steel); padding: 6px 12px; font-size: 13px; color: var(--paper); white-space: nowrap; }
.toast:empty { display: none; }

/* interaction prompt: key, verb, target, and the hold ring */
.prompt { position: absolute; left: 0; top: 0; display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: rgba(34, 39, 46, .94); white-space: nowrap; }
.prompt .key { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 5px; background: var(--paper); color: var(--ink); font-weight: 600; }
.prompt .verb { color: var(--dim-dark); }
.prompt .target { font-weight: 600; }
.prompt .ring { width: 26px; height: 26px; transform: rotate(-90deg); }
.prompt .ring circle { fill: none; stroke-width: 4; }
.prompt .ring .track { stroke: var(--steel-line); }
.prompt .ring .fill { stroke: var(--signal-dark); }
.crosshair { position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; margin: -3px; border-radius: 50%; background: rgba(245, 245, 242, .7); }

/* vitals bars */
.bars { position: absolute; left: var(--s2); top: var(--s2); display: grid; gap: 8px; width: min(240px, 45%); }
.bar { display: grid; grid-template-columns: 64px 1fr; align-items: center; gap: 8px; font-size: 12px; color: var(--dim-dark); text-transform: capitalize; }
.bar i { display: block; height: 8px; background: var(--steel-line); }
.bar b { display: block; height: 100%; background: var(--paper); transition: width .2s linear; }
.bar[data-k="stamina"] b { background: var(--dim-dark); }
.bar.low b { background: var(--signal-dark); }
.scene-actions { position: absolute; left: var(--s2); right: var(--s2); bottom: var(--s2); display: flex; flex-wrap: wrap; gap: 8px; }

/* inventory */
.inv-weight { position: absolute; right: var(--s2); top: var(--s2); color: var(--dim-dark); font-size: 13px; }
.inv-tip { position: absolute; left: var(--s2); top: var(--s2); font-weight: 600; }

/* menus */
.menu-panel { position: absolute; left: var(--s4); top: 50%; transform: translateY(-50%); width: min(280px, 60%); background: rgba(26, 29, 34, .9);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); padding: var(--s2) 0; box-shadow: 0 16px 48px rgba(0, 0, 0, .4); }
.menu-title { font: 600 22px var(--display); padding: 0 var(--s3) var(--s1); letter-spacing: .02em; }
.menu-panel button { all: unset; display: block; box-sizing: border-box; width: 100%; padding: 10px var(--s3); cursor: pointer; color: var(--dim-dark);
  border-left: 3px solid transparent; transition: color .12s, background-color .12s, border-color .12s; }
.menu-panel button.on { color: var(--paper); background: rgba(255, 122, 69, .12); border-left-color: var(--signal-dark); }

/* ================================================================ Rookspire studio pages (2026-09-27)
   Home, Portfolio, About, Contact and 404: a WebGL scene behind the page (js/fx), the portfolio orbit, the pinned build
   steps. Brand kept: graphite, Paper, Signal; Saira for display, Barlow for text. Text contrast stays 7:1 or more on --bg;
   over the 3D scene the scene is dimmed behind text (fx/home3d.js) and a scrim sits under the hero copy. */

/* ---------------------------------------------------------------- header: the mark's two blades part on hover */
.brand { gap: 9px; }
.brand-mark { height: 28px; width: auto; overflow: visible; }
.brand-mark path { fill: var(--signal); transition: transform .45s var(--ease); }
.brand:hover .b1, .brand:focus-visible .b1 { transform: translate(-3px, 0); }
.brand:hover .b2, .brand:focus-visible .b2 { transform: translate(3px, 3px); }
.brand-word { height: 28px; width: auto; }
.util { display: flex; gap: var(--s3); font-size: var(--t-sm); }
.util a { color: var(--dim); text-decoration: none; }
.util a:hover { color: var(--fg); }
.header-tools .search { min-width: 0; width: auto; padding: 0 12px; cursor: pointer; }
.header-tools .search kbd { margin-left: 6px; }
.nav a { position: relative; }
.nav a[aria-current]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: var(--signal); }
body[data-page="index"] .site-header:not(.scrolled) { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
@media (max-width: 1180px) { .util { display: none; } }

/* ---------------------------------------------------------------- smooth scroll (Lenis) */
html.lenis, html.lenis body { height: auto; }
html.lenis { scroll-behavior: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* ---------------------------------------------------------------- the WebGL layer */
.fx { position: fixed; inset: 0; z-index: 0; pointer-events: none; background: var(--bg); }
.fx canvas { width: 100%; height: 100%; opacity: 0; transition: opacity 1.4s var(--ease); }
html.fx-on .fx canvas { opacity: 1; }
/* home: a frame rendered from the live scene shows at once; the canvas fades in over it, and without a GPU it stays */
body[data-page="index"] .fx { background: var(--bg) url(../img/fx/hero-1600.webp) center / cover no-repeat; }
@media (max-width: 640px) { body[data-page="index"] .fx { background-image: url(../img/fx/hero-phone.webp); background-position: center top; } }
html.no-webgl body[data-page="index"] .fx::after { content: ""; position: absolute; inset: 0; background: var(--bg); opacity: 0; transition: opacity .6s; }
html.no-webgl.scrolled-past-hero body[data-page="index"] .fx::after { opacity: .55; }
.fx--page { position: absolute; }
main > section, main > div:not(.fx), .site-footer { position: relative; z-index: 1; }

/* the hero title rises in word by word from the first frame (words are split at build time) */
[data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
[data-split] .wi { display: inline-block; }
@media (prefers-reduced-motion: no-preference) {
  [data-split] .wi { animation: word-in .95s cubic-bezier(.16, .84, .24, 1) both; animation-delay: calc(.12s + var(--i) * .055s); }
  [data-intro] { animation: fade-up .9s cubic-bezier(.16, .84, .24, 1) both; animation-delay: .7s; }
  .hero-actions[data-intro] { animation-delay: .82s; }
  .scroll-cue[data-intro] { animation-delay: 1.3s; }
  @keyframes word-in { from { transform: translateY(105%); } to { transform: none; } }
  @keyframes fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
}

/* ---------------------------------------------------------------- hero */
.s-hero { position: relative; z-index: 1; min-height: 100vh; min-height: 100svh; display: grid; align-items: end; margin-top: -72px; padding-top: 72px; }
.s-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(90deg, rgba(14, 16, 19, .78) 0%, rgba(14, 16, 19, .45) 34%, rgba(14, 16, 19, 0) 62%),
              linear-gradient(0deg, rgba(14, 16, 19, .7) 0%, rgba(14, 16, 19, 0) 34%),
              linear-gradient(180deg, rgba(14, 16, 19, .6) 0%, rgba(14, 16, 19, 0) 16%); }
.hero-grid { width: 100%; padding-block: var(--s16) clamp(96px, 16vh, 168px); }
.hero-copy { max-width: 760px; }
.s-hero h1 { font-size: clamp(3rem, 7.4vw, 7.25rem); font-weight: 700; line-height: .93; letter-spacing: -.025em; max-width: 11ch; margin-bottom: var(--s4); }
.s-hero .lead { color: #c9ced4; font-size: clamp(1.125rem, 1.45vw, 1.35rem); max-width: 44ch; margin-bottom: var(--s6); }
.hero-actions .btn { height: 56px; padding: 0 var(--s4); font-size: 1.0625rem; }
.scroll-cue { position: absolute; right: clamp(16px, 4vw, 48px); bottom: var(--s6); display: flex; align-items: center; gap: var(--s2); color: var(--dim); text-decoration: none; font-size: var(--t-sm); letter-spacing: .06em; }
.scroll-cue i { width: 1.5px; height: 56px; background: linear-gradient(var(--signal), transparent); position: relative; overflow: hidden; }
@media (prefers-reduced-motion: no-preference) {
  .scroll-cue i::after { content: ""; position: absolute; left: 0; top: -40%; width: 100%; height: 40%; background: var(--fg); animation: cue 2.2s cubic-bezier(.6, 0, .2, 1) infinite 2s; }
  @keyframes cue { to { top: 110%; } }
}
.magnetic { will-change: transform; }

/* ---------------------------------------------------------------- studio line */
.studio-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: var(--s8); align-items: start; }
.studio h2 { font-size: clamp(2rem, 3.9vw, 3.6rem); line-height: 1.02; max-width: 17ch; }
.disciplines { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--s4); }
.disciplines li { border-top: 1px solid var(--line); padding: var(--s3) 0 var(--s4); display: grid; gap: 6px; }
.disciplines b { font: 600 1.3rem/1.2 var(--display); }
.disciplines span { color: var(--dim); font-size: .975rem; }

/* ---------------------------------------------------------------- portfolio orbit */
.portfolio-band .section-head { margin-bottom: var(--s4); }
.portfolio-band .section-head p { flex: 1 1 320px; }
.orbit { position: relative; max-width: 1680px; margin: 0 auto; outline: none; }
.orbit:focus-visible { outline: 2px solid var(--signal-text); outline-offset: 4px; }
.orbit-stage { display: none; }
.orbit-list { list-style: none; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); max-width: var(--max); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s4) var(--s3); }
.orbit-card { display: grid; gap: 10px; text-decoration: none; color: inherit; }
.orbit-card img, .orbit-art { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--deep); border: 1px solid var(--line); }
.orbit-card h3 { font-size: 1.6rem; }
.orbit-card p { color: var(--dim); font-size: .975rem; }
.orbit-card .status, .work-card .status { justify-self: start; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font-size: 12px; color: var(--dim); border: 1px solid var(--line); padding: 1px 8px; }
.orbit-note { font-size: 12px; color: var(--dim); }
.orbit-actions { display: flex; gap: var(--s1); flex-wrap: wrap; margin-top: var(--s2); }
.orbit-controls { display: none; }
/* procedural art for systems without screenshots (same drawing as the WebGL cards) */
.orbit-art { display: grid; align-content: center; gap: 9%; padding: 0 12%; }
.orbit-art--vitals i { display: block; height: 7%; min-height: 6px; background: linear-gradient(90deg, var(--fg) calc(var(--v) * 100%), var(--steel-line) 0); }
.orbit-art--vitals i:nth-child(2) { background: linear-gradient(90deg, var(--dim) calc(var(--v) * 100%), var(--steel-line) 0); }
.orbit-art--vitals i:nth-child(3) { background: linear-gradient(90deg, var(--signal-text) calc(var(--v) * 100%), var(--steel-line) 0); }
.orbit-art--inventory { background:
  linear-gradient(var(--signal-text), var(--signal-text)) 34% 50% / 9% 16% no-repeat,
  repeating-linear-gradient(90deg, var(--steel) 0 13%, transparent 13% 16%), var(--deep);
  -webkit-mask: repeating-linear-gradient(0deg, #000 0 26%, transparent 26% 33%); mask: repeating-linear-gradient(0deg, #000 0 26%, transparent 26% 33%); }

/* with WebGL: the ring shows the pictures, the list shows the words of the front card */
.orbit--3d .orbit-stage { display: block; height: clamp(440px, 66vh, 760px); position: relative;
  -webkit-mask-image: linear-gradient(transparent, #000 14%, #000 86%, transparent); mask-image: linear-gradient(transparent, #000 14%, #000 86%, transparent); }
.orbit--3d .orbit-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.orbit--3d .orbit-list { display: block; max-width: 760px; text-align: center; margin-top: calc(var(--s2) * -1); }
.orbit--3d .orbit-item:not(.is-current) { display: none; }
.orbit--3d .orbit-card { justify-items: center; gap: 8px; }
.orbit--3d .orbit-card img, .orbit--3d .orbit-card .orbit-art { display: none; }
.orbit--3d .orbit-card h3 { font-size: clamp(1.8rem, 3vw, 2.5rem); order: -1; }
.orbit--3d .orbit-card p { max-width: 52ch; }
.orbit--3d .orbit-card .status { justify-self: center; }
.orbit--3d .orbit-actions { justify-content: center; }
.orbit--3d .orbit-item.is-current { animation: fade-up .5s var(--ease) both; }
.orbit--3d .orbit-controls { display: flex; align-items: center; justify-content: center; gap: var(--s3); margin-top: var(--s4); flex-wrap: wrap; }
.orbit-prev, .orbit-next { all: unset; box-sizing: border-box; width: 48px; height: 48px; display: grid; place-items: center; border: 1.5px solid var(--line); cursor: pointer; transition: border-color .2s, background-color .2s; }
.orbit-prev:hover, .orbit-next:hover { border-color: var(--fg); }
.orbit-prev:focus-visible, .orbit-next:focus-visible { outline: 2px solid var(--signal-text); outline-offset: 3px; }
.orbit-prev svg, .orbit-next svg { width: 20px; height: 20px; fill: none; stroke: var(--fg); stroke-width: 1.8; }
.orbit-dots { display: flex; gap: 10px; }
.orbit-dots button { all: unset; width: 24px; height: 24px; display: grid; place-items: center; cursor: pointer; }
.orbit-dots button::before { content: ""; width: 8px; height: 8px; background: #737a85; transition: background-color .2s, transform .2s; }
.orbit-dots button[aria-current="true"]::before { background: var(--signal); transform: scale(1.35); }
.orbit-dots button:focus-visible { outline: 2px solid var(--signal-text); }
.orbit-hint { flex-basis: 100%; max-width: none; text-align: center; font-size: 13px; color: var(--dim); }

/* ---------------------------------------------------------------- build: pinned while its steps advance */
.build { position: relative; z-index: 1; height: 440vh; margin-top: var(--s16); }
.build-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; align-items: center; }
.build-sticky > .wrap { width: 100%; }
.build-copy { max-width: 540px; padding: var(--s4) 0; position: relative; }
@media (min-width: 901px) {   /* desktop only: there the mark shares the screen with the steps; on phones it sits above them */
  .build-copy::before { content: ""; position: absolute; inset: -80px -120px; z-index: -1; pointer-events: none;
    background: radial-gradient(closest-side, rgba(14, 16, 19, .78), rgba(14, 16, 19, .5) 60%, transparent); }   /* keeps the steps legible over passing shapes */
}
.build-copy h2 { font-size: clamp(2rem, 3.6vw, 3.4rem); margin-bottom: var(--s6); }
.build-steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: var(--s3); position: relative; }
.build-steps li { counter-increment: step; display: grid; grid-template-columns: 56px 1fr; gap: 2px var(--s2); }
.build-steps h3 { color: var(--dim); transition: color .4s var(--ease); }
.build-steps li.is-on h3 { color: var(--fg); }
.build-steps li::before { content: "0" counter(step); grid-row: span 2; font: 700 1.25rem/1.3 var(--display); color: var(--dim); border-top: 2px solid var(--line); padding-top: 8px; transition: color .4s, border-color .4s; }
.build-steps h3 { font-size: 1.45rem; padding-top: 8px; }
.build-steps p { color: var(--dim); }
.build-steps li.is-on::before { color: var(--signal-text); border-top-color: var(--signal); }
@media (max-width: 900px), (prefers-reduced-motion: reduce) {
  .build { height: auto; margin-top: 0; padding-block: var(--s16) 0; }
  .build-sticky { position: static; height: auto; display: block; }
  .build-steps h3 { color: var(--fg); }
}

/* ---------------------------------------------------------------- reasons */
.reasons-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s6) var(--s4); }
.reason svg { width: 48px; height: 48px; fill: none; stroke: var(--signal-text); stroke-width: 1.6; margin-bottom: var(--s3); }
html.js-motion .reason svg * { stroke-dasharray: 100; stroke-dashoffset: 100; }
html.js-motion .reason svg.drawn * { stroke-dashoffset: 0; transition: stroke-dashoffset 1.3s cubic-bezier(.6, .1, .2, 1) var(--d, 0s); }
.reason h3 { font-size: 1.4rem; margin-bottom: var(--s1); }
.reason p { color: var(--dim); }

/* ---------------------------------------------------------------- work + journal */
.work-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--s8); align-items: start; }
.work h2 { margin-bottom: var(--s3); }
.work-actions { margin-top: var(--s4); }
.journal { display: grid; gap: 0; }
.journal h3 { font: 600 var(--t-base) var(--body); color: var(--dim); margin-bottom: var(--s2); }
.journal-item { display: grid; gap: 4px; padding: var(--s3) 0; border-top: 1px solid var(--line); text-decoration: none; }
.journal-item span { font-size: 13px; color: var(--signal-text); }
.journal-item b { font: 600 1.2rem/1.3 var(--display); transition: color .2s; }
.journal-item:hover b { color: var(--signal-text); }
.journal .link { margin-top: var(--s3); justify-self: start; }

/* ---------------------------------------------------------------- talk + contact cards */
.talk { padding-bottom: var(--s16); }
.talk-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr); gap: var(--s8); align-items: end; }
.talk h2 { font-size: clamp(2.4rem, 5vw, 4.5rem); margin-bottom: var(--s3); }
.talk-actions { display: flex; gap: var(--s2); flex-wrap: wrap; }
.talk .contact-cards { grid-template-columns: minmax(0, 1fr); }
.contact-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3); }
.contact-card { display: grid; gap: var(--s1); align-content: start; justify-items: start; padding: var(--s4); border: 1px solid var(--line);
  background: rgba(20, 23, 28, .74); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.contact-label { font-size: 13px; color: var(--dim); }
.contact-value { font: 600 clamp(1rem, 1.25vw, 1.2rem)/1.3 var(--display); text-decoration: none; overflow-wrap: anywhere; margin-bottom: var(--s2); }
a.contact-value:hover { color: var(--signal-text); }
span.contact-value { font: 400 var(--t-base)/1.5 var(--body); color: var(--fg); }
.copy.is-done { border-color: var(--signal-text); color: var(--signal-text); }

/* ---------------------------------------------------------------- inner studio pages */
.page-head h1 { font-weight: 700; letter-spacing: -.02em; line-height: 1; }   /* every page speaks with the studio's heading */
.page-head--fx { border-bottom: 0; }
.page-head--fx h1 { font-size: clamp(2.8rem, 6.4vw, 5.5rem); font-weight: 700; line-height: .95; letter-spacing: -.02em; }
.portfolio-band--page { padding-top: 0; }
.portfolio-band--page .orbit--3d .orbit-stage { height: clamp(480px, 72vh, 820px); }
.work-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s3); }
.work-card { display: grid; gap: 8px; text-decoration: none; align-content: start; }
.work-card img, .work-card .orbit-art { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); background: var(--deep); transition: border-color .2s; }
.work-card:hover img, .work-card:hover .orbit-art { border-color: var(--dim); }
.work-card b { font: 600 1.3rem var(--display); }
.work-card > span:last-child { color: var(--dim); font-size: .95rem; }
.case-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: var(--s8); align-items: center; }
.case-grid--flip .case-media { order: 2; }
.case-media { margin: 0; border: 1px solid var(--line); background: var(--deep); }
.case-media img { width: 100%; height: auto; }
.case h2 { margin: var(--s2) 0; }
.case .lead { margin-bottom: var(--s3); }
.case-facts { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s1); }
.case-facts li { position: relative; padding-left: 22px; color: var(--fg); }
.case-facts li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; background: var(--signal); }
.narrow { max-width: 760px; }
.story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--s8); align-items: center; }
.story-fx { position: relative; aspect-ratio: 4 / 5; border: 1px solid var(--line); background: radial-gradient(60% 50% at 50% 55%, rgba(255, 91, 31, .08), transparent 70%), var(--deep); overflow: hidden; }
.story-fx canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1.2s var(--ease); }
html.fx-on .story-fx canvas { opacity: 1; }
html.no-webgl .story-fx { background: url(../img/portfolio/brand-800.webp) center / cover; }
.story .prose h2 { margin-bottom: var(--s3); font-size: clamp(2rem, 3.4vw, 3rem); }
.story .prose p + p { margin-top: var(--s2); }
.values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s6) var(--s8); }
.values h3 { font-size: 1.45rem; margin-bottom: var(--s1); padding-top: var(--s2); border-top: 2px solid var(--signal); display: inline-block; }
.values p { color: var(--dim); }
.timeline2 { list-style: none; margin: var(--s6) 0 0; padding: 0 0 0 28px; position: relative; display: grid; gap: var(--s6); }
.timeline2::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline2::after { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 2px; background: var(--signal); transform-origin: top; transform: scaleY(var(--line, 1)); }
.timeline2 li { position: relative; display: grid; gap: 4px; }
.timeline2 li::before { content: ""; position: absolute; left: -28px; top: 7px; width: 10px; height: 10px; background: var(--signal); z-index: 1; }
.timeline2 li.planned::before { background: var(--bg); border: 2px solid var(--dim); box-sizing: border-box; }
.timeline2 time { font: 600 var(--t-sm) var(--body); color: var(--signal-text); }
.timeline2 li.planned time { color: var(--dim); }
.timeline2 p { font-size: 1.15rem; }
.contact-page { position: relative; min-height: calc(100svh - 72px); overflow: hidden; }
.contact-page .page-head { border-bottom: 0; }
.contact-page .page-head, .contact-main { position: relative; z-index: 1; }
.contact-main { padding-bottom: var(--s16); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--s8); align-items: start; }
.contact-grid .contact-cards { grid-template-columns: 1fr; }
.contact-help h2 { font-size: var(--t-lg); margin-bottom: var(--s3); }
.contact-help h3 { font-size: 1.2rem; margin: var(--s3) 0 6px; }
.contact-help p { color: var(--dim); }
.contact-note { margin-top: var(--s4); padding-top: var(--s3); border-top: 1px solid var(--line); color: var(--fg) !important; }

/* 404 */
.nf { position: relative; min-height: calc(100svh - 72px); display: grid; align-items: end; overflow: hidden; }
.nf .fx--page { inset: 0; }
.nf-copy { position: relative; z-index: 1; padding: var(--s16) clamp(16px, 4vw, 48px) var(--s12); max-width: calc(var(--max) + 96px); margin: 0 auto; width: 100%; }
.nf-code { font: 700 clamp(4rem, 14vw, 11rem)/.85 var(--display); color: transparent; -webkit-text-stroke: 1.5px var(--signal-text); margin-bottom: var(--s3); }
.nf h1 { margin-bottom: var(--s2); }
.nf .lead { margin-bottom: var(--s4); }

/* demo dialog */
.demo-dialog { width: min(1100px, 94vw); border: 1px solid var(--line); padding: 0; background: var(--deep); color: var(--fg); }
.demo-dialog::backdrop { background: rgba(8, 9, 11, .8); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.demo-bar { display: flex; justify-content: space-between; align-items: center; padding: var(--s2) var(--s3); border-bottom: 1px solid var(--line); }
.demo-bar b { font: 600 1.25rem var(--display); }
.demo-view { aspect-ratio: 16 / 9; border: 0; }
.demo-note { padding: var(--s2) var(--s3); color: var(--dim); font-size: var(--t-sm); }

/* footer additions */
.foot-contact { display: flex; flex-wrap: wrap; gap: var(--s1) var(--s3); margin-top: var(--s2); }
.foot-contact a { color: var(--fg); }
.site-footer { position: relative; z-index: 1; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1024px) {
  .studio-grid, .work-grid, .talk-grid, .case-grid, .story, .contact-grid { grid-template-columns: minmax(0, 1fr); gap: var(--s6); }
  .case-grid--flip .case-media { order: 0; }
  .orbit-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reasons-grid, .work-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .story-fx { aspect-ratio: 16 / 10; }
}
@media (max-width: 640px) {
  .lang-suggest { left: 16px; right: 16px; transform: none; justify-content: space-between; text-align: left; }
  .lang-suggest > span { flex: 1 1 100%; }
  .s-hero h1 { font-size: clamp(2.2rem, 10vw, 3.6rem); }
  .s-hero::before { background: linear-gradient(0deg, rgba(14, 16, 19, .92) 0%, rgba(14, 16, 19, .6) 45%, rgba(14, 16, 19, .1) 75%); }
  .hero-grid { padding-block: 42vh var(--s12); }
  .hero-actions .btn { height: 52px; flex: 1 1 auto; justify-content: center; }
  .scroll-cue { display: none; }
  .disciplines, .reasons-grid, .work-list, .values, .contact-cards, .orbit-list { grid-template-columns: minmax(0, 1fr); }
  .orbit--3d .orbit-stage { height: 58vh; min-height: 380px; }
  .contact-card { padding: var(--s3); }
}

/* ---------------------------------------------------------------- page transitions (browsers with cross-document View
   Transitions: Chrome/Edge 126+, Safari 18.2+; others simply load the page). The header stays put; the page below
   slides and fades. Nothing moves with reduced motion. */
@view-transition { navigation: auto; }
.site-header { view-transition-name: site-header; }
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) { animation: vt-out .28s cubic-bezier(.4, 0, 1, 1) both; }
  ::view-transition-new(root) { animation: vt-in .5s cubic-bezier(.16, .84, .24, 1) both; }
  @keyframes vt-out { to { opacity: 0; transform: translateY(-12px); } }
  @keyframes vt-in { from { opacity: 0; transform: translateY(18px); } }
}
@media (prefers-reduced-motion: reduce) { @view-transition { navigation: none; } }

/* ---------------------------------------------------------------- buttons: the fill slides in from the left on hover */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .btn { position: relative; overflow: hidden; isolation: isolate; }
  .btn::after { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--fg); transform: scaleX(0); transform-origin: left;
    transition: transform .38s cubic-bezier(.16, .84, .24, 1); }
  .btn:hover { background: transparent; color: var(--bg); }
  .btn:hover::after { transform: scaleX(1); }
  .btn--primary:hover { background: var(--signal); border-color: var(--fg); }
}