/* Tempermark website - "Calibrated Bench". No external resources. */
:root {
  --bg: #F4F1EC;
  --ink: #1B1C1E;
  --muted: #4A4D52;          /* secondary text, AA on porcelain and on aluminium cards */
  --ember: #E8501A;          /* brand accent, used for fills and large graphics */
  --ember-text: #B13A0C;     /* accent for text/links, AA on porcelain */
  --on-ember: #1B1C1E;
  --patina: #1F6B41;         /* patina green, AA as text */
  --hairline: #B7BBC1;
  --card-a: #EDEEF0;
  --card-b: #D6D9DD;
  --card-ink: #1B1C1E;
  --card-muted: #4A4D52;
  --shadow: 0 1px 1px rgba(27,28,30,.06), 0 10px 24px -12px rgba(27,28,30,.28);
  --focus: #1B1C1E;
  --focus-halo: #FFFFFF;
  --note-bg: #FBEFE8;
  --note-border: #E8501A;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, "SF Pro Text", system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --spectrum: linear-gradient(90deg, #E8C872 0%, #B87333 38%, #7B4FA0 70%, #3F6FB5 100%);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --ink: #F1EFEA;
    --muted: #B4B8BE;
    --ember: #FF6A2A;
    --ember-text: #FF8A55;
    --on-ember: #111214;
    --patina: #5FC48C;
    --hairline: #3A3D42;
    --card-a: #2A2C30;
    --card-b: #1E2023;
    --card-ink: #F1EFEA;
    --card-muted: #B4B8BE;
    --shadow: 0 1px 1px rgba(0,0,0,.4), 0 14px 28px -14px rgba(0,0,0,.7);
    --focus: #FFFFFF;
    --focus-halo: #111214;
    --note-bg: #231A16;
    --note-border: #FF6A2A;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--ember-text); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--focus-halo);
  border-radius: 6px;
}
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: .4em; }
code, .mono, kbd { font-family: var(--mono); font-size: .92em; }
.mono { font-variant-numeric: tabular-nums; }

.skip-link {
  position: absolute; left: 16px; top: -64px; z-index: 100;
  background: var(--ink); color: var(--bg);
  padding: .6rem 1rem; border-radius: 10px; font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* Header */
.site-header { padding: 18px 0; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 0 0 .5px var(--hairline), 0 4px 10px -4px rgba(0,0,0,.35); }
.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 6px; margin: 0; padding: 0; }
.site-nav li { margin: 0; }
.site-nav a { display: inline-block; padding: .45rem .75rem; border-radius: 999px; color: var(--ink); text-decoration: none; font-size: .95rem; font-weight: 500; }
.site-nav a:hover { background: color-mix(in srgb, var(--ink) 8%, transparent); }
.site-nav a[aria-current="page"] { background: color-mix(in srgb, var(--ink) 10%, transparent); font-weight: 650; }

/* Spectrum hairline */
.spectrum, h1::after, h2::after {
  background: var(--spectrum);
  background-size: 200% 100%;
}
h1::after, h2::after {
  content: ""; display: block; width: 88px; height: 3px; border-radius: 3px; margin-top: .6rem;
  animation: shimmer 9s ease-in-out infinite alternate;
}
.spectrum { height: 3px; border-radius: 3px; animation: shimmer 9s ease-in-out infinite alternate; }
@keyframes shimmer { from { background-position: 0% 0; } to { background-position: 100% 0; } }

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .6em; font-weight: 720; }
h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
h3 { font-size: 1.15rem; letter-spacing: -.01em; }
.eyebrow { font: 600 .8rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 .9rem; }
.lede { font-size: clamp(1.1rem, 2.2vw, 1.3rem); color: var(--muted); max-width: 40em; }

section { padding: 56px 0 0; }
.section-intro { max-width: 44em; color: var(--muted); }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--card-a), var(--card-b));
  color: var(--card-ink);
  border: .5px solid var(--hairline);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.card p, .card li { color: var(--card-muted); }
.card h3, .card strong { color: var(--card-ink); }
.card :focus-visible { box-shadow: 0 0 0 6px var(--focus-halo); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); margin-top: 28px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.card > :last-child { margin-bottom: 0; }

@keyframes fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.hero-copy, .hero-figure { animation: fade-up .6s cubic-bezier(.2,.7,.2,1) backwards; }

/* Hero */
.hero { padding-top: 24px; }
.hero-copy { max-width: 46em; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 650; font-size: 1.05rem;
  padding: .85rem 1.4rem; border-radius: 999px;
  background: var(--ember); color: var(--on-ember);
  border: .5px solid color-mix(in srgb, var(--ink) 25%, transparent);
  box-shadow: 0 8px 18px -10px var(--ember);
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn:active { transform: none; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin: 1.6rem 0 .5rem; }
.cta-note { font-size: .92rem; color: var(--muted); margin: 0; }
.hero-figure { margin: 36px 0 0; border-radius: 28px; overflow: hidden; border: .5px solid var(--hairline); box-shadow: var(--shadow); background: #E8E6E2; }
.hero-figure img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: 75% 50%; }
@media (max-width: 640px) { .hero-figure img { aspect-ratio: 4 / 3; object-position: 82% 50%; } }
@media (prefers-color-scheme: dark) { .hero-figure img { filter: brightness(.82) contrast(1.05); } }

/* Process specimens */
.process { text-align: center; }
.process img { width: 120px; height: 120px; object-fit: contain; margin: 0 auto 12px; filter: drop-shadow(0 8px 10px rgba(0,0,0,.25)); }
.process h3 { margin-bottom: .3em; }
.process p { font-size: .96rem; }

/* Feature cards */
.feature .num { font: 600 .8rem/1 var(--mono); color: var(--card-muted); letter-spacing: .08em; display: block; margin-bottom: 10px; }
.feature h3 { margin-bottom: .4em; }
.feature p { font-size: .98rem; }

/* Test grid illustration */
.split { display: grid; gap: 28px; grid-template-columns: 1fr; align-items: center; margin-top: 28px; }
@media (min-width: 820px) { .split { grid-template-columns: 1.1fr 1fr; } }
.tgrid { padding: 20px; }
.tgrid-wrap { display: grid; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 8px 10px; }
.axis-y { writing-mode: vertical-rl; transform: rotate(180deg); font: 600 .72rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--card-muted); text-align: center; }
.axis-x { grid-column: 2; font: 600 .72rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--card-muted); display: flex; justify-content: space-between; }
.cells { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; }
.cells i { aspect-ratio: 1; border-radius: 5px; display: block; background: #E8C872; border: .5px solid rgba(0,0,0,.15); }
.cells i.m1 { background: #D7A24F; } .cells i.m2 { background: #B87333; } .cells i.m3 { background: #8C5B6B; }
.cells i.m4 { background: #7B4FA0; } .cells i.m5 { background: #5A5DAB; } .cells i.m6 { background: #3F6FB5; }
.cells i.proven { outline: 2px solid var(--patina); outline-offset: 1px; }
.fig-caption { font-size: .88rem; color: var(--card-muted); margin: 14px 0 0; }

/* Check lists */
.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { position: relative; padding-left: 1.7em; }
.ticks li::before { content: ""; position: absolute; left: .15em; top: .55em; width: .55em; height: .3em; border-left: 2px solid var(--patina); border-bottom: 2px solid var(--patina); transform: rotate(-45deg); }
.tier h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.tier .tag { font: 600 .75rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--card-muted); }
.tier.pro { border-color: color-mix(in srgb, var(--ember) 60%, var(--hairline)); }
.price-note { font-size: .94rem; margin-top: 1rem; }

/* Note */
.note {
  background: var(--note-bg); border: .5px solid var(--hairline); border-left: 4px solid var(--note-border);
  border-radius: 16px; padding: 18px 22px; margin: 0; color: var(--ink);
}
.note strong { color: var(--ink); }

/* Prose pages */
.page { padding: 28px 0 24px; }
.prose h2 { margin-top: 2.4em; font-size: clamp(1.3rem, 2.8vw, 1.7rem); }
.prose h2::after { width: 56px; }
.prose h3 { margin-top: 1.6em; }
.prose .updated { font-family: var(--mono); font-size: .9rem; color: var(--muted); }
.prose address { font-style: normal; }
details.faq { margin: 0 0 12px; padding: 0; }
details.faq summary { cursor: pointer; font-weight: 650; padding: 18px 22px; list-style: none; color: var(--card-ink); border-radius: 24px; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; font: 600 1.3rem/1 var(--mono); color: var(--card-muted); flex: none; }
details.faq[open] summary::after { content: "\2212"; }
details.faq .answer { padding: 0 22px 20px; }
details.faq .answer p, details.faq .answer li { color: var(--card-muted); }
details.faq.card { padding: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0; }
.kv dt { color: var(--card-muted); } .kv dd { margin: 0; font-family: var(--mono); color: var(--card-ink); }

/* Footer */
.site-footer { margin-top: 72px; padding: 28px 0 44px; border-top: .5px solid var(--hairline); color: var(--muted); font-size: .95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 28px; }
.site-footer ul { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; padding: 0; }
.site-footer li { margin: 0; }
.site-footer p { margin: 0; }

@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  .card { padding: 20px; border-radius: 20px; }
  .btn { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .skip-link, .site-nav, .btn { display: none; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; background: #fff; }
}