/* Pro Surface Supply USA: every public page (the homepage adds home.css; the
   3D stage and the glass layer are in stage.css).
   Every text colour below clears WCAG 2.2 AA on --ink and --panel. */
/* Fonts (SIL OFL), latin subset, declared here instead of linking the Google
   Fonts stylesheet: that cross-origin CSS blocked first paint by about 1 s on
   mobile. The files still come from fonts.gstatic.com, which the CSP allows. */
@font-face { font-family: "Big Shoulders Display"; font-style: normal; font-weight: 800 900; font-display: swap; src: url(https://fonts.gstatic.com/s/bigshouldersdisplay/v24/fC1_PZJEZG-e9gHhdI4-NBbfd2ys3SjJCx1czNDuDJAM2w.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow"; font-style: normal; font-weight: 400; font-display: swap; src: url(https://fonts.gstatic.com/s/barlow/v13/7cHpv4kjgoGqM7E_DMs5ynghnQ.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow"; font-style: normal; font-weight: 500; font-display: swap; src: url(https://fonts.gstatic.com/s/barlow/v13/7cHqv4kjgoGqM7E3_-gs51ostz0rdg.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow"; font-style: normal; font-weight: 600; font-display: swap; src: url(https://fonts.gstatic.com/s/barlow/v13/7cHqv4kjgoGqM7E30-8s51ostz0rdg.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow Condensed"; font-style: normal; font-weight: 500; font-display: swap; src: url(https://fonts.gstatic.com/s/barlowcondensed/v13/HTxwL3I-JCGChYJ8VI-L6OO_au7B4-Lwz3bWuYMBYro.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow Condensed"; font-style: normal; font-weight: 600; font-display: swap; src: url(https://fonts.gstatic.com/s/barlowcondensed/v13/HTxwL3I-JCGChYJ8VI-L6OO_au7B4873z3bWuYMBYro.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }


:root {
  --ink: #060809;
  --ink-2: #0a0e13;
  --panel: #0f141b;
  --panel-2: #141b24;
  --line: rgba(198, 205, 216, 0.16);    /* decorative dividers */
  --line-2: rgba(198, 205, 216, 0.28);  /* decorative dividers, a step stronger */
  /* Borders that are the only edge of a control (inputs, ghost buttons, the
     menu button): 3.71:1 on --panel, 3.69:1 on --ink (WCAG 1.4.11). */
  --line-control: rgba(198, 205, 216, 0.5);
  --text: #e6ebf2;      /* 16.75:1 on --ink */
  --silver: #c6cdd8;    /* 12.54:1 on --ink, 11.55:1 on --panel */
  --muted: #9aa6b6;     /*  8.13:1 on --ink, 7.48:1 on --panel, 5.00:1 on the CTA band glow */
  /* Blue ramp, the same tokens as the landing page (styles.css). Fills carry
     white text; --blue-glow is for rings, rules and markers only (non-text);
     --blue-text is the blue used for text. */
  --blue: #1e6fe8;       /* #fff on it 4.67:1 */
  --blue-hover: #185fcf; /* #fff on it 5.87:1 */
  --blue-press: #0b3fa6; /* #fff on it 9.23:1 */
  --blue-deep: #0b3fa6;
  --blue-glow: #58a6ff;  /* 7.94:1 on --ink, 6.86:1 on --panel-2 */
  --blue-text: #8cc4ff;  /* 10.95:1 on --ink, 9.45:1 on --panel-2, 6.73:1 on the CTA band glow */
  --link: var(--blue-text);
  --link-hover: #b3d7ff; /* 13.46:1 on --ink */
  --ok: #7fd1a8;
  --radius: 14px;
  --radius-sm: 8px;
  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
  --font-display: "Big Shoulders Display", Impact, "Arial Narrow Bold", "Helvetica Neue", Arial, sans-serif;
  --font-body: Barlow, "Helvetica Neue", Arial, sans-serif;
  --font-label: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, picture { display: block; max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--link-hover); }
/* Focus ring: --blue-glow, the landing page's ring colour (7.94:1 on --ink). */
:focus-visible { outline: 3px solid var(--blue-glow); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--blue); color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nowrap { white-space: nowrap; }
/* The skip link opens over the blue announcement bar, so it is a dark chip
   (4.29:1 against the bar) with a white ring (4.67:1 against the bar). */
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--ink); color: var(--text); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; text-decoration: none; box-shadow: 0 0 0 2px var(--blue-glow); }
.skip:focus { top: 12px; }
.skip:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }

/* Announcement bar ------------------------------------------------------- */
.announce { background: linear-gradient(90deg, var(--blue-deep), var(--blue) 55%, var(--blue-deep)); color: #fff; text-align: center; font-family: var(--font-label); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.06em; text-transform: uppercase; }
.announce a, .announce p { color: #fff; display: block; margin: 0; padding: 8px var(--gutter); text-decoration: none; }
.announce a:hover { color: #fff; text-decoration: underline; }
/* The bar touches the viewport edges and the sticky header covers its lower
   edge, so its ring sits inside the link: white on the bar is 4.67:1. */
.announce a:focus-visible { outline: 3px solid #fff; outline-offset: -6px; border-radius: 6px; text-decoration: underline; }
@media (max-width: 520px) { .announce a, .announce p { padding: 6px var(--gutter); } }

/* Header ---------------------------------------------------------------- */
.site-head { position: sticky; top: 0; z-index: 30; background: rgba(6, 8, 9, 0.92); border-bottom: 1px solid var(--line); }
@supports (backdrop-filter: blur(8px)) { .site-head { background: rgba(6, 8, 9, 0.78); backdrop-filter: blur(10px); } }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.brand img { width: 74px; height: auto; }
.brand span { font-family: var(--font-label); font-weight: 600; font-size: 1rem; letter-spacing: 0.12em; text-transform: uppercase; line-height: 1.1; }
.nav-desktop ul, .nav-mobile ul { list-style: none; margin: 0; padding: 0; }
.nav-desktop ul { display: flex; align-items: center; gap: 4px; }
.nav-desktop a, .nav-mobile a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--silver); font-family: var(--font-label); font-weight: 600; font-size: 1.02rem; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; border-radius: var(--radius-sm); }
.nav-desktop a:hover, .nav-mobile a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
/* aria-current is "page" on the page itself and "true" on its section
   (Blends while you read a blend page); both get the underline. */
.nav-desktop a[aria-current], .nav-mobile a[aria-current] { color: #fff; box-shadow: inset 0 -2px 0 var(--blue-glow); }
/* As on the landing page, the header CTA is outlined, so each screen keeps
   one filled blue button (the page's own primary action). */
.nav-desktop .nav-cta a { margin-left: 8px; background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px var(--blue-glow); }
.nav-desktop .nav-cta a:hover { background: var(--blue-hover); box-shadow: inset 0 0 0 1.5px var(--blue-hover); }
.nav-desktop .nav-cta a:active { background: var(--blue-press); box-shadow: inset 0 0 0 1.5px var(--blue-press); }
.nav-desktop .nav-cta a[aria-current] { box-shadow: inset 0 0 0 1.5px var(--blue-glow), inset 0 -4px 0 var(--blue-glow); }
.nav-mobile .nav-cta a { background: var(--blue); color: #fff; }
.nav-mobile .nav-cta a:hover { background: var(--blue-hover); }
.nav-mobile { display: none; position: relative; }
.nav-mobile summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 14px; border: 1px solid var(--line-control); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font-label); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.nav-mobile summary::-webkit-details-marker { display: none; }
.nav-mobile[open] summary { border-color: var(--blue-glow); }
.nav-mobile summary i { position: relative; display: block; width: 18px; height: 2px; background: currentColor; box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor; }
/* Open state: the three bars become an X. */
.nav-mobile[open] summary i { background: transparent; box-shadow: none; }
.nav-mobile[open] summary i::before, .nav-mobile[open] summary i::after { content: ""; position: absolute; left: 0; top: 0; width: 18px; height: 2px; background: currentColor; }
.nav-mobile[open] summary i::before { transform: rotate(45deg); }
.nav-mobile[open] summary i::after { transform: rotate(-45deg); }
.nav-mobile nav { position: absolute; right: 0; top: calc(100% + 10px); width: min(86vw, 320px); background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 10px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6); }
.nav-mobile li a { display: flex; width: 100%; }
.nav-mobile .nav-cta a { margin: 6px 0 0; justify-content: center; }
@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .nav-mobile { display: block; }
  .brand span { font-size: 0.9rem; }
  .brand img { width: 60px; }
}

/* Breadcrumbs ------------------------------------------------------------ */
.crumbs { padding-top: 18px; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; font-family: var(--font-label); font-weight: 500; font-size: 0.95rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.crumbs li + li::before { content: "/"; content: "/" / ""; margin-right: 6px; color: var(--line-2); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.crumbs [aria-current="page"] { color: var(--silver); }

/* Type -------------------------------------------------------------------- */
h1, h2, h3 { color: var(--text); font-family: var(--font-display); font-weight: 900; text-transform: uppercase; letter-spacing: 0.005em; line-height: 0.98; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); margin-top: 2.4em; margin-bottom: 0.5em; }
h3 { font-size: clamp(1.35rem, 2.6vw, 1.6rem); font-weight: 800; margin-top: 1.6em; margin-bottom: 0.35em; line-height: 1.08; }
.eyebrow { margin: 0 0 14px; font-family: var(--font-label); font-weight: 600; font-size: 1rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue-text); }
.lede { font-size: clamp(1.15rem, 2vw, 1.3rem); line-height: 1.55; color: var(--text); max-width: 62ch; margin: 18px 0 0; }
.prose { max-width: 72ch; }
/* A .wrap.prose article keeps the page's left edge (same as the hero and
   sections) and caps the line length on its children instead. */
.wrap.prose { max-width: var(--wrap); }
.wrap.prose > * { max-width: 72ch; }
.wrap.prose > .table-wrap { max-width: 920px; }
.prose p, .prose li { color: var(--silver); }
.prose strong { color: var(--text); font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose li { margin: 0.35em 0; }
.prose li::marker { color: var(--blue-glow); }
.prose blockquote { margin: 1.4em 0; padding: 14px 18px; border-left: 3px solid var(--blue); background: var(--panel); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text); }
.answer { font-size: 1.15rem; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: var(--radius-sm); padding: 14px 18px; margin: 0 0 1.2em; }
.small { font-size: 0.92rem; color: var(--muted); }

/* Tables ------------------------------------------------------------------ */
/* A table only scrolls sideways when it has too many columns to read on a
   phone. When it does, soft blue shadows at the edges show there is more:
   the --ink covers scroll with the content (local) and hide each shadow
   (scroll) once that edge is reached. */
.table-wrap {
  overflow-x: auto; margin: 1.4em 0; border: 1px solid var(--line); border-radius: var(--radius);
  background:
    linear-gradient(90deg, var(--ink) 30%, rgba(6, 8, 9, 0)) left center / 40px 100% no-repeat local,
    linear-gradient(270deg, var(--ink) 30%, rgba(6, 8, 9, 0)) right center / 40px 100% no-repeat local,
    radial-gradient(farthest-side at 0 50%, rgba(88, 166, 255, 0.45), rgba(88, 166, 255, 0)) left center / 14px 100% no-repeat scroll,
    radial-gradient(farthest-side at 100% 50%, rgba(88, 166, 255, 0.45), rgba(88, 166, 255, 0)) right center / 14px 100% no-repeat scroll,
    var(--ink);
}
table { width: 100%; border-collapse: collapse; font-size: 1rem; min-width: 0; }
table:has(thead th:nth-child(4)) { min-width: 560px; }
table:has(thead th:nth-child(6)) { min-width: 860px; }
caption { text-align: left; padding: 12px 16px; color: var(--muted); font-size: 0.92rem; caption-side: bottom; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
@media (max-width: 600px) { th, td { padding: 10px 12px; } caption { padding: 10px 12px; } }
thead th { background: var(--panel-2); color: var(--text); font-family: var(--font-label); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.92rem; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { color: var(--text); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Buttons ------------------------------------------------------------------ */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 999px; background: var(--blue); color: #fff; font-family: var(--font-label); font-weight: 600; font-size: 1.08rem; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; border: 0; cursor: pointer; transition: background 0.2s var(--ease), transform 0.2s var(--ease); }
.btn:hover { background: var(--blue-hover); color: #fff; }
.btn:active { background: var(--blue-press); transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--line-control); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); color: #fff; box-shadow: inset 0 0 0 1.5px var(--blue-glow); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* Page hero --------------------------------------------------------------- */
.hero { padding-top: 34px; padding-bottom: 10px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.hero-media { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--panel); aspect-ratio: 4 / 3; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media figcaption { position: absolute; left: 12px; bottom: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(6, 8, 9, 0.78); color: var(--silver); font-size: 0.85rem; }
@media (max-width: 400px) { .hero-media figcaption { left: 8px; right: 8px; bottom: 8px; width: fit-content; padding: 3px 8px; border-radius: 6px; font-size: 0.75rem; } }
.hero-note { margin: 14px 0 0; }
/* Phones: a shorter 16:9 swatch, so the price shows in the first screen. */
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero-media { order: -1; aspect-ratio: 16 / 9; } }

/* Offer box ---------------------------------------------------------------- */
.offer { margin-top: 24px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.offer > div { padding: 14px 16px; border-right: 1px solid var(--line); }
.offer > div:last-child { border-right: 0; }
.offer dt { font-family: var(--font-label); font-weight: 600; font-size: 0.86rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.offer dd { margin: 4px 0 0; color: var(--text); font-family: var(--font-display); font-weight: 800; font-size: 1.6rem; line-height: 1; text-transform: uppercase; }
.offer dd small { display: block; margin-top: 4px; font-family: var(--font-body); font-weight: 500; font-size: 0.85rem; line-height: 1.25; text-transform: none; color: var(--silver); }
/* Phones keep the three figures side by side; only very narrow screens stack. */
@media (max-width: 520px) {
  .offer > div { padding: 12px 10px; }
  .offer dt { font-size: 0.78rem; letter-spacing: 0.06em; }
  .offer dd { font-size: 1.35rem; }
  .offer dd small { font-size: 0.8rem; }
}
@media (max-width: 339px) { .offer { grid-template-columns: 1fr; } .offer > div { border-right: 0; border-bottom: 1px solid var(--line); } .offer > div:last-child { border-bottom: 0; } }

/* Specs and colour mix --------------------------------------------------- */
/* Each cell draws its right and bottom rule 1px past its own box; the
   container clips the ones on the outer edge, so there is no double line.
   The last cell stretches to fill a short last row at every column count. */
.specs { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; margin: 1.4em 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--ink-2); }
.specs > div { padding: 14px 16px; margin: 0 -1px -1px 0; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
@media (min-width: 560px) {
  .specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specs > div:last-child:nth-child(2n+1) { grid-column: 1 / -1; }
}
@media (min-width: 860px) {
  .specs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .specs > div:last-child:nth-child(n) { grid-column: auto; }
  .specs > div:last-child:nth-child(3n+1) { grid-column: 1 / -1; }
  .specs > div:last-child:nth-child(3n+2) { grid-column: span 2; }
}
@media (min-width: 1100px) {
  .specs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .specs > div:last-child:nth-child(n) { grid-column: auto; }
  .specs > div:last-child:nth-child(4n+1) { grid-column: 1 / -1; }
  .specs > div:last-child:nth-child(4n+2) { grid-column: span 3; }
  .specs > div:last-child:nth-child(4n+3) { grid-column: span 2; }
}
.specs dt { font-family: var(--font-label); font-weight: 600; font-size: 0.86rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.specs dd { margin: 4px 0 0; color: var(--text); font-weight: 500; }
.mix { list-style: none; margin: 1.2em 0; padding: 0; display: grid; gap: 10px; max-width: 640px; }
.mix li { display: grid; grid-template-columns: 26px 1fr auto; align-items: center; gap: 12px; padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--text); }
.mix svg { width: 26px; height: 26px; }
.mix .share { font-variant-numeric: tabular-nums; color: var(--silver); font-weight: 600; }
.mixbar { display: flex; height: 18px; border-radius: 999px; overflow: hidden; border: 1px solid var(--line-2); max-width: 640px; margin: 12px 0 4px; }
.mixbar svg { width: 100%; height: 18px; }

/* Cards --------------------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; margin: 1.6em 0; padding: 0; list-style: none; }
.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color 0.2s var(--ease), transform 0.2s var(--ease); }
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card-body { padding: 14px 16px 16px; }
.card h3 { margin: 0; font-size: 1.55rem; }
.card h3 a { color: var(--text); text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card p { margin: 6px 0 0; font-size: 0.95rem; color: var(--silver); }
.card .meta { font-family: var(--font-label); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.86rem; color: var(--muted); }
/* "flake blend" is part of the link text, set as a small label after the name. */
.card h3 .card-kind { font-family: var(--font-label); font-weight: 600; font-size: 0.56em; letter-spacing: 0.12em; color: var(--muted); white-space: nowrap; }
.card:hover h3 .card-kind { color: var(--silver); }
.ref-note { max-width: 72ch; margin: 0; }
.more-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 28px; }
.more-links a { display: inline-flex; align-items: center; min-height: 44px; }
/* Related blends sit three across from tablet width up. */
@media (min-width: 601px) { .t-blend .cards { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }
/* Phones: blend cards two across so colours can be compared side by side;
   the three related cards on a blend page become compact rows. */
@media (max-width: 600px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .card-body { padding: 10px 12px 12px; }
  .card h3 { font-size: 1.2rem; }
  .card h3 .card-kind { display: block; margin-top: 3px; font-size: 0.62em; }
  .card p { font-size: 0.88rem; line-height: 1.45; }
  .card .meta { font-size: 0.78rem; letter-spacing: 0.04em; }
  .t-blend .cards { grid-template-columns: 1fr; gap: 10px; }
  .t-blend .card { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: stretch; }
  .t-blend .card picture { height: 100%; }
  .t-blend .card img { height: 100%; min-height: 96px; aspect-ratio: auto; }
  .t-blend .card-body { align-self: center; }
}
@media (prefers-reduced-motion: reduce) { .card, .btn { transition: none; } .card:hover { transform: none; } }

/* FAQ ------------------------------------------------------------------------ */
.faq { margin-top: 1em; max-width: 840px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3, .faq summary h4 { margin: 0; font-family: var(--font-body); font-weight: 600; text-transform: none; font-size: 1.15rem; line-height: 1.35; letter-spacing: 0; color: var(--text); }
/* The +/- glyph is decoration: the empty alt text keeps it out of each
   question's accessible name. Browsers without alt text use the first value. */
.faq summary::after { content: "+"; content: "+" / ""; flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-2); color: var(--blue-text); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; content: "\2212" / ""; }
.faq .faq-a { padding: 0 0 18px; max-width: 72ch; }
.faq-group { margin-top: 2em; padding-bottom: 0.4em; border-bottom: 2px solid var(--blue); max-width: 840px; scroll-margin-top: 90px; }
.faq-group + .faq { margin-top: 0; }
.faq .faq-a p { margin: 0 0 0.8em; }

/* CTA band ------------------------------------------------------------------ */
.cta-band { margin: 72px 0 0; padding: clamp(28px, 5vw, 48px); border-radius: calc(var(--radius) + 6px); background: radial-gradient(120% 140% at 0% 0%, rgba(30, 111, 232, 0.35), rgba(30, 111, 232, 0) 60%), var(--panel); border: 1px solid var(--line-2); }
.cta-band h2 { margin: 0; }
.cta-band p { max-width: 60ch; color: var(--text); }

/* Footer -------------------------------------------------------------------- */
.site-foot { margin-top: 88px; border-top: 1px solid var(--line); background: var(--ink-2); padding: 44px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
/* Phones: the summary spans the width, the two link lists sit side by side. */
@media (max-width: 760px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; } .foot-grid > div:first-child { grid-column: 1 / -1; } }
.foot-grid h2 { margin: 0 0 12px; font-size: 1.05rem; font-family: var(--font-label); font-weight: 600; letter-spacing: 0.14em; color: var(--text); }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li a { display: inline-flex; min-height: 36px; align-items: center; color: var(--silver); text-decoration: none; }
.foot-grid li a:hover { color: #fff; text-decoration: underline; }
.foot-grid p { margin: 0 0 10px; }
.legal { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 0.88rem; color: var(--muted); }
.legal p { margin: 0 0 6px; }

main { padding-bottom: 8px; }
section[id] { scroll-margin-top: 96px; }

/* On this page (long guides) --------------------------------------------- */
/* Above the article on phones and tablets (two columns when there is room);
   a sticky list in the empty right-hand column on wide screens. */
.toc { margin: 28px 0 0; padding: 16px 20px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.toc-title { margin: 0 0 6px; font-family: var(--font-label); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue-text); }
.toc ol { margin: 0; padding-left: 1.5em; columns: 2 240px; column-gap: 36px; }
.toc li { break-inside: avoid; color: var(--muted); font-size: 0.98rem; }
.toc li::marker { color: var(--muted); font-variant-numeric: tabular-nums; }
.toc a { display: block; padding: 5px 0; line-height: 1.35; color: var(--silver); text-decoration: none; }
.toc a:hover { color: #fff; text-decoration: underline; }
@media (min-width: 1100px) {
  .with-toc { display: grid; grid-template-columns: minmax(0, 72ch) minmax(220px, 280px); justify-content: space-between; gap: 48px; align-items: start; }
  .with-toc > .prose { grid-column: 1; grid-row: 1; }
  .with-toc > .toc { grid-column: 2; grid-row: 1; position: sticky; top: 92px; max-height: calc(100vh - 112px); overflow-y: auto; margin-top: 3.4rem; }
  .with-toc .toc ol { columns: auto; }
  .with-toc .toc li { font-size: 0.93rem; }
  .with-toc .toc a { padding: 4px 0; }
}

/* Forced colours (Windows High Contrast) drop backgrounds and box-shadows,
   so buttons and the current-page mark need a border or underline of their own. */
@media (forced-colors: active) {
  .btn, .nav-desktop .nav-cta a, .nav-mobile .nav-cta a { border: 2px solid ButtonText; }
  .nav-desktop a[aria-current], .nav-mobile a[aria-current] { text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 6px; }
  :focus-visible, .announce a:focus-visible { outline-color: Highlight; }
  .skip { border: 2px solid ButtonText; }
}

/* Cart (assets/cart.js) ----------------------------------------------------- */
[hidden] { display: none !important; }
.cart-count { display: inline-grid; place-items: center; min-width: 1.6em; height: 1.6em; margin-left: 8px; padding: 0 0.45em; border-radius: 999px; background: var(--blue); color: #fff; font-family: var(--font-body); font-size: 0.8rem; font-weight: 700; letter-spacing: 0; line-height: 1; font-variant-numeric: tabular-nums; }
.buy { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 26px; }
.buy + .btn-row { margin-top: 12px; }
.qty { display: inline-flex; align-items: stretch; border: 1px solid var(--line-control); border-radius: 999px; background: var(--ink); }
.qty-btn { width: 48px; min-height: 52px; border: 0; background: transparent; color: var(--text); font-size: 1.4rem; line-height: 1; cursor: pointer; border-radius: 999px; }
.qty-btn:hover { background: rgba(255, 255, 255, 0.06); }
.qty-input { width: 4.2ch; min-height: 52px; border: 0; background: transparent; color: #fff; font: inherit; font-weight: 600; text-align: center; font-variant-numeric: tabular-nums; -moz-appearance: textfield; appearance: textfield; }
.qty-input::-webkit-outer-spin-button, .qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cart-toast { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 60; max-width: min(560px, calc(100vw - 32px)); padding: 14px 18px; border-radius: var(--radius-sm); background: var(--panel-2); border: 1px solid var(--blue-glow); color: var(--text); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5); transform: translate(-50%, 160%); opacity: 0; transition: transform 0.25s var(--ease), opacity 0.25s var(--ease); }
.cart-toast.is-on { transform: translate(-50%, 0); opacity: 1; }
.cart-toast a { color: var(--blue-text); font-weight: 600; }
@media (prefers-reduced-motion: reduce) { .cart-toast { transition: none; } }
@media (forced-colors: active) { .cart-count { border: 1px solid CanvasText; } .cart-toast { border: 2px solid CanvasText; } }
@media print { .cart-toast { display: none; } }

/* Pages on the 3D stage (assets/stage.css) ---------------------------------- */
/* The hero sits on the bare scene; buttons that would be see-through get
   glass, and the reading sections below sit on slate up to the footer. */
.stage-hero .lede { color: var(--text); }
.btn-glass { background: rgba(9, 12, 16, 0.8); }
@supports (backdrop-filter: blur(8px)) { .btn-glass { backdrop-filter: blur(12px); } }
.btn-glass:hover { background: rgba(20, 27, 36, 0.9); }
.after-stage { padding-bottom: 88px; }
.site-foot { margin-top: 0; }
.cards-stage { margin-top: 32px; }
.stage-note { margin: 14px 0 0; padding: 10px 16px; border-radius: var(--radius-sm); background: rgba(9, 12, 16, 0.82); color: var(--silver); max-width: 80ch; }
@supports (backdrop-filter: blur(8px)) { .stage-note { backdrop-filter: blur(12px); } }
.card[data-tilt]:hover { transform: perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-2px); }
.hero-media.glass { background: var(--panel); }
.hero-note { max-width: 60ch; }
/* The calculator: the form on glass, and an empty box beside it (below it on
   narrow screens) where the stage draws the visitor's floor. */
.calc-stage .calc { margin-bottom: 18px; }
.calc-stage .calc fieldset { border-color: transparent; }
.calc-note { max-width: 72ch; }
.calc-foot { height: 46vh; min-height: 260px; }
@media (min-width: 1100px) {
  .calc-stage { display: grid; grid-template-columns: minmax(0, 600px) minmax(0, 1fr); gap: 48px; align-items: start; }
  .calc-stage .calc { grid-template-columns: 1fr; }
  .calc-foot { position: sticky; top: 28vh; height: 58vh; }
}
.order-wrap { padding-top: 8px; }