:root {
  --ink: #151515;
  --muted: #747474;
  --line: #d9d9d9;
  --blue: #1f5ea8;
  --paper: #ffffff;
  --sans: "Noto Sans CJK SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", serif;
  --mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Code", monospace;
  font-family: var(--sans);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

p,
h1,
h2 {
  margin: 0;
}

.chooser-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(540px, 1.2fr) 1fr;
  align-items: start;
  min-height: 76svh;
  padding: 38px clamp(24px, 5vw, 76px) 72px;
  border-bottom: 1px solid var(--line);
}

.brand,
.pdf-link,
.eyebrow,
footer {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.brand {
  font-weight: 700;
}

.pdf-link {
  justify-self: end;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--ink);
}

.hero-copy {
  align-self: center;
  padding: 80px 0 0;
}

.eyebrow {
  margin-bottom: 24px;
  color: var(--blue);
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(76px, 9vw, 154px);
  letter-spacing: -0.08em;
  line-height: 0.93;
}

.hero-copy > p:last-child {
  max-width: 520px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.design-list {
  padding: 0 clamp(24px, 5vw, 76px);
}

.design {
  position: relative;
  display: grid;
  grid-template-columns: 70px minmax(280px, 0.7fr) minmax(340px, 0.82fr) 120px;
  gap: clamp(20px, 4vw, 70px);
  align-items: center;
  min-height: 430px;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.design-number,
.design-copy > p,
.design-arrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.design-number {
  align-self: start;
  color: var(--muted);
}

.design-copy > p {
  margin-bottom: 20px;
  color: var(--muted);
}

.design-copy h2 {
  max-width: 520px;
  font-size: clamp(35px, 4.4vw, 70px);
  letter-spacing: -0.06em;
  line-height: 1.05;
}

.design-copy > span {
  display: block;
  max-width: 460px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.design-preview {
  position: relative;
  height: 300px;
  overflow: hidden;
  transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.design:hover .design-preview {
  transform: translateY(-8px);
}

.design-arrow {
  justify-self: end;
  transition: transform 200ms ease;
}

.design:hover .design-arrow {
  transform: translate(5px, -5px);
}

.design-minimal .design-preview {
  background: #ffffff;
  color: #14202b;
}

.design-minimal .preview-name {
  position: absolute;
  top: 60px;
  left: 48px;
  font-size: 52px;
  font-weight: 760;
  letter-spacing: -0.08em;
}

.design-minimal .preview-line {
  position: absolute;
  top: 134px;
  right: 48px;
  left: 48px;
  height: 2px;
  background: var(--blue);
}

.design-minimal .preview-block,
.design-minimal .preview-block.short {
  position: absolute;
  top: 166px;
  right: 48px;
  left: 48px;
  height: 38px;
  border-top: 1px solid #d8e0e7;
  border-bottom: 1px solid #d8e0e7;
}

.design-minimal .preview-block.short {
  top: 226px;
  right: 32%;
}

.design-editorial .design-preview {
  padding: 48px;
  border: 1px solid #d8e2ed;
  background: #f8fbfe;
  color: #142235;
  font-family: var(--sans);
}

.design-editorial .preview-kicker {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.design-editorial .preview-name {
  display: block;
  margin-top: 36px;
  font-size: 58px;
  font-weight: 720;
  letter-spacing: -0.08em;
}

.design-editorial .preview-rule {
  display: block;
  width: 62%;
  height: 1px;
  margin-top: 24px;
  background: #155aa8;
}

.design-editorial .preview-copy {
  display: block;
  margin-top: 22px;
  color: #667587;
  font-size: 13px;
}

.design-systems .design-preview {
  padding: 48px;
  border: 1px solid #d3dce6;
  background-color: #ffffff;
  color: #0c1a2b;
  font-family: var(--mono);
}

.design-systems .preview-command {
  color: #0067b9;
  font-size: 12px;
}

.design-systems .preview-name {
  display: block;
  margin-top: 38px;
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 700;
  letter-spacing: -0.07em;
}

.design-systems .preview-cursor {
  display: inline-block;
  width: 38px;
  height: 7px;
  margin-top: 28px;
  background: #0067b9;
}

.design-systems .preview-copy {
  display: block;
  margin-top: 28px;
  color: #607386;
  font-size: 11px;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 32px clamp(24px, 5vw, 76px);
  color: var(--muted);
}

footer a:hover {
  color: var(--blue);
}

@media (max-width: 980px) {
  .chooser-hero {
    grid-template-columns: 1fr auto;
    min-height: 70svh;
  }

  .hero-copy {
    grid-column: 1 / -1;
    padding-top: 80px;
  }

  .design {
    grid-template-columns: 42px 1fr;
  }

  .design-preview {
    grid-column: 2;
  }

  .design-arrow {
    position: absolute;
    right: 0;
    bottom: 34px;
  }
}

@media (max-width: 640px) {
  .chooser-hero {
    padding-top: 26px;
  }

  .hero-copy {
    padding-top: 60px;
  }

  .hero-copy h1 {
    font-size: 66px;
  }

  .design {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: auto;
    padding: 68px 0;
  }

  .design-number,
  .design-preview {
    grid-column: 1;
  }

  .design-preview {
    height: 250px;
  }

  .design-arrow {
    position: static;
    justify-self: start;
  }

  footer {
    flex-direction: column;
    gap: 12px;
  }
}