:root {
  color-scheme: dark;
  --paper: #050505;
  --ink: #f7f5ef;
  --muted: #aaa69c;
  --panel: #101010;
  --line: #2a2a2a;
  --accent: #dceee7;
  --radius: 8px;
  font-family: "HarmonyOS Sans SC", "Microsoft YaHei UI", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 92px 92px,
    linear-gradient(135deg, rgba(220, 238, 231, .08), transparent 34%),
    var(--paper);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

.logo-board {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 44px 0 56px;
}

.logo-hero {
  min-height: 260px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: end;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  padding-bottom: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .95;
  letter-spacing: 0;
  word-break: keep-all;
  overflow-wrap: normal;
}

.logo-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.logo-hero a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--muted);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

article {
  min-height: 360px;
  display: grid;
  align-content: start;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .07), transparent 42%),
    rgba(16, 16, 16, .9);
  padding: 18px;
}

article.selected-logo {
  border-color: var(--accent);
  background:
    linear-gradient(135deg, rgba(220, 238, 231, .12), transparent 44%),
    rgba(16, 16, 16, .95);
}

article img {
  width: 168px;
  height: 168px;
  display: block;
  object-fit: contain;
  margin-bottom: 18px;
}

article span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

article h2 {
  margin-bottom: 0;
  font-size: 24px;
}

article p {
  color: var(--muted);
  line-height: 1.6;
}

.scale-review {
  border-top: 1px solid var(--line);
  margin-top: 42px;
  padding-top: 34px;
}

.scale-review-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.scale-review-head h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1;
  word-break: keep-all;
  overflow-wrap: normal;
}

.scale-review-head p:last-child {
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.scale-review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.scale-shot {
  --brand-offset-x: 0;
  min-height: 560px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .06), transparent 40%),
    rgba(7, 7, 7, .94);
  overflow: hidden;
}

.scale-shot.selected-scale {
  --brand-offset-x: -18px;
  border-color: var(--accent);
  background:
    linear-gradient(135deg, rgba(220, 238, 231, .11), transparent 42%),
    rgba(7, 7, 7, .96);
}

.scale-shot.oversized-scale {
  --brand-offset-x: -18px;
  border-color: rgba(255, 255, 255, .22);
}

.scale-copy {
  border-bottom: 1px solid var(--line);
  padding: 18px;
}

.scale-copy span {
  color: var(--accent);
  display: block;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 8px;
}

.scale-copy strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  margin-bottom: 10px;
}

.scale-copy p {
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 0;
}

.scale-screen {
  min-width: 0;
  display: grid;
  place-items: center;
  padding: 26px 18px 30px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 58px 58px,
    #030303;
}

.scale-brand {
  min-width: 0;
  display: grid;
  justify-items: center;
  text-align: center;
  transform: translateX(var(--brand-offset-x));
}

.scale-brand img {
  display: block;
  object-fit: contain;
}

.scale-brand p {
  color: var(--accent);
  line-height: 1.18;
  margin: 0;
  text-transform: uppercase;
}

.scale-brand h3 {
  color: var(--ink);
  line-height: .95;
  margin-bottom: 14px;
  overflow-wrap: anywhere;
}

.scale-brand small {
  color: var(--muted);
  display: block;
  line-height: 1.65;
  max-width: 290px;
}

.default-scale .scale-brand img {
  height: 74px;
  margin-bottom: 28px;
  width: 74px;
}

.default-scale .scale-brand p {
  font-size: 11px;
  margin-bottom: 8px;
}

.default-scale .scale-brand h3 {
  font-size: 54px;
}

.selected-scale .scale-brand img {
  height: 164px;
  margin-bottom: 24px;
  width: 164px;
}

.selected-scale .scale-brand p {
  font-size: 18px;
  margin-bottom: 14px;
}

.selected-scale .scale-brand h3 {
  font-size: 64px;
}

.oversized-scale .scale-brand img {
  height: 222px;
  margin-bottom: 28px;
  width: 222px;
}

.oversized-scale .scale-brand p {
  font-size: 22px;
  margin-bottom: 16px;
}

.oversized-scale .scale-brand h3 {
  font-size: 54px;
}

.scale-decision {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(220, 238, 231, .10), transparent 38%),
    rgba(8, 8, 8, .96);
  margin-top: 14px;
  padding: 18px;
}

.scale-decision h3 {
  margin-bottom: 10px;
  font-size: 28px;
  line-height: 1.1;
}

.scale-decision p {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.scale-copy-button {
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--ink);
  color: #050505;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 12px 14px;
}

.scale-decision pre {
  grid-column: 1 / -1;
  min-width: 0;
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #030303;
  color: var(--ink);
  font-family: "Cascadia Mono", "Consolas", monospace;
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
  padding: 14px;
  white-space: pre-wrap;
}

.scale-copy-feedback {
  grid-column: 1 / -1;
  min-height: 22px;
}

@media (max-width: 920px) {
  .logo-hero,
  .logo-grid,
  .scale-review-grid {
    grid-template-columns: 1fr;
  }

  .logo-hero {
    align-items: start;
  }

  .scale-shot.selected-scale,
  .scale-shot.oversized-scale {
    --brand-offset-x: -10px;
  }

  .scale-decision {
    grid-template-columns: 1fr;
  }

  .scale-copy-button {
    width: 100%;
  }
}