/* jcamd.com — shared frame: tokens, type, chrome, footer, details.
 *
 * One display face (Jost, self-hosted, latin subset) used only for tracked
 * titles and labels; a tuned system stack for text. One accent. Light and
 * dark are both composed: the page follows prefers-color-scheme unless the
 * viewer picks a theme, which is stored as data-theme on <html>.
 */

@font-face {
  font-family: "Jost";
  src: url("/assets/fonts/jost-latin.woff2") format("woff2");
  font-weight: 300 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: light;
  /* palette — light */
  --bg: #f3f1ec;
  --surface: #fbfaf7;
  --sunk: #e9e6df;
  --ink: #161412;
  --ink-2: #34302b;
  --muted: #5d5850;
  --line: rgba(22, 20, 18, 0.12);
  --line-strong: rgba(22, 20, 18, 0.3);
  --accent: #c23a22;
  --accent-hover: #a52f1a;
  --on-accent: #ffffff;
  --accent-wash: rgba(194, 58, 34, 0.1);
  --chrome-bg: rgba(243, 241, 236, 0.86);

  /* type */
  --font-display: "Jost", "Futura", "Century Gothic", "Avenir Next", system-ui, sans-serif;
  --font-text: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "IBM Plex Mono", Menlo, Consolas, monospace;
  --t-2xs: 0.6875rem;  /* 11 — labels */
  --t-xs: 0.75rem;     /* 12 */
  --t-sm: 0.875rem;    /* 14 */
  --t-base: 1rem;      /* 16 */
  --t-md: 1.125rem;    /* 18 */
  --t-lg: 1.375rem;    /* 22 */
  --t-xl: clamp(1.625rem, 3vw, 2.25rem);
  --t-2xl: clamp(2rem, 5vw, 3.5rem);
  --t-hero: clamp(3rem, 13vw, 9.5rem);
  --track-label: 0.26em;
  --track-title: 0.14em;

  /* space (8pt) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sp-10: 8rem;

  /* grid */
  --grid-max: 1200px;
  --gutter: clamp(16px, 4vw, 48px);
  --measure: 60ch;
  --header-h: 64px;

  /* motion */
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --dur-1: 180ms;
  --dur-2: 600ms;
  --dur-3: 1100ms;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0c0b0a;
    --surface: #141210;
    --sunk: #080707;
    --ink: #ece8e1;
    --ink-2: #cfc9bf;
    --muted: #9a948a;
    --line: rgba(236, 232, 225, 0.12);
    --line-strong: rgba(236, 232, 225, 0.3);
    --accent: #e8553b;
    --accent-hover: #f06a51;
    --on-accent: #0c0b0a;
    --accent-wash: rgba(232, 85, 59, 0.12);
    --chrome-bg: rgba(12, 11, 10, 0.84);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c0b0a;
  --surface: #141210;
  --sunk: #080707;
  --ink: #ece8e1;
  --ink-2: #cfc9bf;
  --muted: #9a948a;
  --line: rgba(236, 232, 225, 0.12);
  --line-strong: rgba(236, 232, 225, 0.3);
  --accent: #e8553b;
  --accent-hover: #f06a51;
  --on-accent: #0c0b0a;
  --accent-wash: rgba(232, 85, 59, 0.12);
  --chrome-bg: rgba(12, 11, 10, 0.84);
}

/* ── Base ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + var(--sp-5));
  scrollbar-color: var(--line-strong) transparent;
  scrollbar-width: thin;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--t-base)/1.65 var(--font-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
  overflow-x: clip;
}
::selection { background: var(--accent); color: var(--on-accent); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border: 3px solid var(--bg); border-radius: 10px; }

a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
img, svg { max-width: 100%; }

.skip-link {
  position: fixed; left: var(--sp-4); top: var(--sp-4); z-index: 300;
  padding: var(--sp-3) var(--sp-4);
  background: var(--ink); color: var(--bg);
  font: 500 var(--t-xs)/1 var(--font-display);
  letter-spacing: var(--track-label); text-transform: uppercase; text-decoration: none;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ── Type primitives ──────────────────────────────────────────────────── */
.label {
  margin: 0;
  font: 500 var(--t-2xs)/1.4 var(--font-display);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--muted);
}
.label--accent { color: var(--accent); }
.title {
  margin: 0;
  font: 400 var(--t-2xl)/1.08 var(--font-display);
  letter-spacing: var(--track-title);
  text-transform: uppercase;
  /* tracking adds trailing space; pull it back so centred titles centre */
  margin-right: calc(var(--track-title) * -1);
}
.heading {
  margin: 0;
  font: 400 var(--t-xl)/1.2 var(--font-display);
  letter-spacing: 0.01em;
}
.rule {
  display: block; width: 48px; height: 1px; border: 0; margin: 0;
  background: var(--accent);
}
.wrap {
  width: 100%; max-width: var(--grid-max);
  margin-inline: auto; padding-inline: var(--gutter);
}

/* ── Buttons & links ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-3);
  min-height: 48px; padding: 0 var(--sp-6);
  border: 1px solid var(--line-strong); border-radius: 0;
  background: transparent; color: var(--ink);
  font: 500 var(--t-xs)/1 var(--font-display);
  letter-spacing: 0.22em; text-transform: uppercase; text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
}
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn--accent { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn--accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.tlink {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  min-height: 44px;
  font: 500 var(--t-xs)/1 var(--font-display);
  letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none;
  color: var(--ink);
}
.tlink span[aria-hidden] { color: var(--accent); transition: transform var(--dur-2) var(--ease); }
.tlink:hover span[aria-hidden] { transform: translateX(4px); }
.tlink:hover { color: var(--accent); }

.prose a, a.inline {
  color: var(--ink);
  text-decoration: underline; text-decoration-color: var(--accent);
  text-decoration-thickness: 1px; text-underline-offset: 3px;
}
.prose a:hover, a.inline:hover { color: var(--accent); }

/* ── Chrome (header) ─────────────────────────────────────────────────── */
.chrome {
  position: sticky; top: 0; z-index: 100;
  background: var(--chrome-bg);
  -webkit-backdrop-filter: saturate(1.2) blur(12px);
  backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--line);
}
.chrome__in {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: var(--header-h);
  max-width: var(--grid-max); margin-inline: auto; padding-inline: var(--gutter);
}
.chrome__brand {
  grid-column: 2; grid-row: 1;
  display: inline-flex; align-items: center; gap: var(--sp-3);
  min-height: 44px;
  font: 500 var(--t-sm)/1 var(--font-display);
  letter-spacing: 0.38em; margin-right: -0.38em;
  text-transform: uppercase; text-decoration: none; color: var(--ink);
}
.chrome__nav { display: contents; }
.chrome__list {
  display: flex; gap: var(--sp-6); list-style: none; margin: 0; padding: 0;
}
.chrome__list--l { grid-column: 1; grid-row: 1; justify-self: start; }
.chrome__list--r { grid-column: 3; grid-row: 1; justify-self: end; margin-right: 60px; }
.chrome__list a {
  position: relative; display: inline-flex; align-items: center; min-height: 44px;
  font: 500 var(--t-2xs)/1 var(--font-display);
  letter-spacing: var(--track-label); text-transform: uppercase; text-decoration: none;
  color: var(--muted);
  transition: color var(--dur-1) var(--ease);
}
.chrome__list a::after {
  content: ""; position: absolute; left: 0; right: 0.26em; bottom: 10px; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-2) var(--ease);
}
.chrome__list a:hover, .chrome__list a[aria-current] { color: var(--ink); }
.chrome__list a:hover::after, .chrome__list a[aria-current]::after { transform: scaleX(1); }

.theme-toggle, .menu-toggle {
  grid-row: 1;
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; padding: 0;
  border: 1px solid transparent; border-radius: 50%;
  background: transparent; color: var(--ink); cursor: pointer;
  transition: border-color var(--dur-1) var(--ease);
}
.theme-toggle:hover, .menu-toggle:hover { border-color: var(--line-strong); }
.theme-toggle { grid-column: 3; justify-self: end; }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .half { fill: currentColor; transition: transform var(--dur-2) var(--ease); transform-origin: 12px 12px; }
:root[data-theme-resolved="dark"] .theme-toggle .half { transform: rotate(180deg); }
.menu-toggle { grid-column: 1; justify-self: start; display: none; }
.menu-toggle svg { width: 20px; height: 20px; }
.menu-toggle line { stroke: currentColor; stroke-width: 1.25; transition: transform var(--dur-2) var(--ease), opacity var(--dur-1); transform-origin: 12px 12px; }
.menu-toggle[aria-expanded="true"] .l1 { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .l2 { transform: translateY(-4px) rotate(-45deg); }

@media (max-width: 760px) {
  .js .menu-toggle { display: inline-grid; }
  .chrome__brand { font-size: var(--t-xs); letter-spacing: 0.34em; margin-right: -0.34em; }
  .chrome__nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    padding: var(--sp-5) var(--gutter) var(--sp-6);
    background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .chrome__nav[data-open] { display: grid; gap: var(--sp-1); justify-items: center; }
  .chrome__list { flex-direction: column; align-items: center; gap: var(--sp-1); margin: 0; }
  .chrome__list--l, .chrome__list--r { grid-column: 1; grid-row: auto; justify-self: center; margin-right: 0; }
  .chrome__list a { font-size: var(--t-xs); min-height: 48px; }
  /* no script: show the links as a second row instead of a menu */
  html:not(.js) .chrome__in { height: auto; padding-block: var(--sp-2); row-gap: 0; }
  html:not(.js) .chrome__nav { display: flex; position: static; grid-column: 1 / -1; grid-row: 2; justify-content: center; flex-wrap: wrap; gap: 0 var(--sp-5); padding: 0; border: 0; background: none; }
  html:not(.js) .chrome__list { flex-direction: row; gap: var(--sp-5); }
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.colophon {
  border-top: 1px solid var(--line);
  padding: var(--sp-9) var(--gutter) var(--sp-7);
  text-align: center;
}
.colophon__mark { width: 40px; height: 40px; color: var(--ink); margin: 0 auto var(--sp-5); display: block; }
.colophon__name {
  margin: 0 0 var(--sp-3);
  font: 500 var(--t-sm)/1 var(--font-display);
  letter-spacing: 0.42em; margin-right: -0.42em; text-transform: uppercase;
}
.colophon__links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0 var(--sp-5);
  list-style: none; margin: var(--sp-6) auto 0; padding: 0; max-width: 720px;
}
.colophon__links a {
  display: inline-flex; align-items: center; min-height: 44px;
  font: 500 var(--t-2xs)/1 var(--font-display);
  letter-spacing: var(--track-label); text-transform: uppercase; text-decoration: none;
  color: var(--muted);
}
.colophon__links a:hover { color: var(--accent); }
.colophon__legal { margin-top: var(--sp-6); }

/* ── Reveal (opt-in, motion-gated) ───────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .js-motion [data-reveal] {
    opacity: 0; transform: translateY(18px);
    transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
    transition-delay: var(--d, 0ms);
  }
  .js-motion [data-reveal].is-in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
}

/* ── Print ───────────────────────────────────────────────────────────── */
@media print {
  :root { --bg: #fff; --surface: #fff; --ink: #000; --ink-2: #000; --muted: #444; --line: #bbb; --accent: #000; }
  .chrome, .theme-toggle, .menu-toggle, .skip-link, .no-print { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; color: #444; letter-spacing: 0; text-transform: none; }
  section, article { break-inside: avoid; }
}