:root {
  color-scheme: light;
  --ink: #172022;
  --soft-ink: #465456;
  --muted: #6c7778;
  --paper: #fbf7ee;
  --cream: #fffaf0;
  --white: #ffffff;
  --teal: #0d6f6a;
  --teal-dark: #063f3d;
  --coral: #d96f49;
  --gold: #d7ad57;
  --line: rgba(23, 32, 34, 0.14);
  --shadow: 0 24px 70px rgba(7, 38, 36, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 92% 7%, rgba(215, 173, 87, 0.2), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; }

img { max-width: 100%; height: auto; }

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 78px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 950;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.publication-link {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 70px;
  align-items: end;
  min-height: 650px;
  padding: 90px 0 76px;
}

.eyebrow,
.section-label {
  margin: 0;
  color: var(--coral);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 0;
  color: var(--teal-dark);
  font-size: clamp(7rem, 20vw, 15rem);
  line-height: 0.75;
  letter-spacing: -0.09em;
}

.hero-lede {
  max-width: 760px;
  margin: 48px 0 0;
  color: var(--soft-ink);
  font-size: clamp(1.22rem, 2.3vw, 1.62rem);
}

.hero-portrait {
  margin: 0;
  padding: 16px 16px 20px;
  border-radius: 18px;
  background: var(--teal-dark);
  color: var(--cream);
  box-shadow: var(--shadow);
  transform: rotate(-1.6deg);
}

.hero-portrait img {
  display: block;
  border-radius: 10px;
}

.hero-portrait figcaption {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 6px 2px;
}

.hero-portrait span {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-portrait strong {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.story {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 280px;
  gap: 50px;
  padding: 100px 0;
  border-top: 1px solid var(--line);
}

.story h2,
.works h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5.4vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.story-copy > p {
  max-width: 760px;
  color: var(--soft-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.22rem;
}

.story-copy > p:first-of-type { margin-top: 34px; }

.name-link {
  text-decoration-color: rgba(13, 111, 106, 0.4);
  text-underline-offset: 3px;
}

.name-link:hover,
.name-link:focus-visible { color: var(--coral); }

.story-figure {
  margin: 0;
  align-self: center;
  text-align: center;
}

.story-figure img {
  display: block;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
  transform: rotate(-1.2deg);
}

.story-figure figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.88rem;
  font-style: italic;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.capabilities article {
  min-height: 280px;
  padding: 26px;
  background: var(--white);
}

.capabilities span {
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 950;
}

.capabilities h3 {
  margin: 88px 0 10px;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}

.capabilities p {
  margin: 0;
  color: var(--soft-ink);
}

.works {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 70px;
  align-items: center;
  padding: 110px 0 100px;
}

.works-figure {
  margin: 0;
  padding: 20px;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: rotate(1.4deg);
}

.works-figure img {
  display: block;
  border-radius: 10px;
}

.works-copy .section-label { margin-bottom: 18px; }

.works-list {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: works;
}

.works-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 8px 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  counter-increment: works;
}

.works-list li::before {
  content: counter(works, decimal-leading-zero);
  grid-row: 1 / span 2;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 950;
  padding-top: 6px;
}

.works-list h3 {
  grid-column: 2;
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.works-list p {
  grid-column: 2;
  margin: 0;
  color: var(--soft-ink);
}

.whats-new-teaser {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 4px 18px;
  align-items: center;
  margin-top: 36px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  text-decoration: none;
}

.new-chip {
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--cream);
  font-size: 0.66rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.teaser-text {
  display: flex;
  flex-direction: column;
}

.teaser-text strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.teaser-text time {
  color: var(--muted);
  font-size: 0.8rem;
}

.teaser-arrow {
  color: var(--teal-dark);
  font-size: 0.85rem;
  font-weight: 900;
  white-space: nowrap;
}

.whats-new-teaser:hover .teaser-arrow,
.whats-new-teaser:focus-visible .teaser-arrow {
  color: var(--coral);
}

.tour-link {
  display: inline-block;
  margin-top: 30px;
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration-color: rgba(13, 111, 106, 0.35);
}

.tour-link:hover,
.tour-link:focus-visible {
  color: var(--coral);
}

.newsletter {
  padding: 130px 0 110px;
}

.newsletter h2 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.newsletter-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 50px;
}

.newsletter-heading .section-label {
  margin-bottom: 20px;
}

.newsletter-aside {
  display: flex;
  align-items: center;
  gap: 20px;
}

.newsletter-mark {
  flex: none;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 10px 26px rgba(7, 38, 36, 0.2);
  object-fit: cover;
}

.newsletter-aside p {
  margin: 0;
  color: var(--soft-ink);
  font-size: 1.12rem;
}

.issue-list {
  border-top: 1px solid var(--line);
}

.issue {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 120px;
  gap: 30px;
  align-items: start;
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.issue-meta {
  display: flex;
  flex-direction: column;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.issue h3 {
  grid-column: 2;
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.issue > p {
  grid-column: 2;
  margin: -8px 0 0;
  color: var(--soft-ink);
}

.read-link {
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  font-weight: 900;
}

.issue:hover .read-link,
.issue:focus-visible .read-link,
.archive-link:hover,
.archive-link:focus-visible {
  color: var(--coral);
}

.archive-link {
  display: inline-block;
  margin-top: 34px;
  color: var(--teal-dark);
  font-weight: 900;
}

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 30px 0 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-nav {
  display: flex;
  gap: 20px;
  font-weight: 700;
}

.footer-nav a { text-decoration-color: var(--line); }

.footer-nav a:hover,
.footer-nav a:focus-visible { color: var(--coral); }

/* ---------- Subpage (How Ralph works) ---------- */

.subpage h1 {
  font-size: clamp(3.4rem, 8.5vw, 7rem);
  line-height: 0.85;
  letter-spacing: -0.06em;
}

.subpage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 70px;
  align-items: end;
  padding: 84px 0 70px;
}

.subpage-hero .hero-lede {
  margin-top: 30px;
  font-size: clamp(1.12rem, 2vw, 1.4rem);
}

.subpage-hero-figure {
  margin: 0;
  padding: 14px;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}

.subpage-hero-figure img {
  display: block;
  border-radius: 10px;
}

.steps-section {
  padding: 90px 0 40px;
  border-top: 1px solid var(--line);
}

.steps-section h2,
.details h2,
.tech-links h2 {
  margin: 16px 0 0;
  font-size: clamp(2.2rem, 4.6vw, 3.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.steps {
  max-width: 860px;
  margin: 54px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 6px 26px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
  counter-increment: steps;
}

.steps li::before {
  content: counter(steps, decimal-leading-zero);
  grid-row: 1 / span 2;
  color: var(--coral);
  font-size: 2rem;
  font-weight: 950;
  letter-spacing: -0.04em;
  line-height: 1;
  padding-top: 4px;
}

.steps h3 {
  grid-column: 2;
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.steps p {
  grid-column: 2;
  max-width: 640px;
  margin: 0;
  color: var(--soft-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12rem;
}

.details {
  padding: 90px 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 54px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.detail-grid article {
  padding: 30px;
  background: var(--white);
}

.detail-grid h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.detail-grid p {
  margin: 0;
  color: var(--soft-ink);
}

.tech-links {
  padding: 10px 0 90px;
}

.tech-links-heading {
  max-width: 760px;
}

.tech-links-heading > p:last-child {
  margin: 26px 0 0;
  color: var(--soft-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.18rem;
}

.link-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 60px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.link-list li {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.link-list a {
  color: var(--teal-dark);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-decoration-color: rgba(13, 111, 106, 0.35);
}

.link-list a:hover,
.link-list a:focus-visible { color: var(--coral); }

.link-list p {
  margin: 8px 0 0;
  color: var(--soft-ink);
  font-size: 0.98rem;
}

.changelog-section {
  padding: 40px 0 50px;
  border-top: 1px solid var(--line);
}

.changelog {
  max-width: 900px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.changelog li {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 8px 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.changelog time {
  padding-top: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.changelog-body h3 {
  margin: 0 0 10px;
  font-size: 1.6rem;
  letter-spacing: -0.035em;
}

.changelog-body p {
  max-width: 640px;
  margin: 0 0 12px;
  color: var(--soft-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12rem;
}

.changelog-body p:last-child { margin-bottom: 0; }

.changelog-body code {
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--teal-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
}

.model-roster {
  margin: 44px 0 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.model-roster summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 24px;
  align-items: center;
  padding: 26px 30px;
  cursor: pointer;
  list-style: none;
}

.model-roster summary::-webkit-details-marker { display: none; }

.roster-kicker {
  grid-column: 1;
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.roster-title {
  grid-column: 1;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.roster-hint {
  grid-column: 2;
  grid-row: 1 / span 2;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.roster-hint::after { content: " \25BE"; }

.model-roster[open] .roster-hint::after { content: " \25B4"; }

.model-roster summary:hover .roster-hint,
.model-roster summary:focus-visible .roster-hint { color: var(--coral); }

.roster-body {
  padding: 0 30px 30px;
  border-top: 1px solid var(--line);
}

.roster-note {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--soft-ink);
}

.roster-active {
  margin-top: 26px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream);
}

.roster-active h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.roster-active ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.roster-active li {
  padding: 5px 0;
  color: var(--soft-ink);
  font-size: 0.95rem;
}

.roster-active strong {
  display: inline-block;
  min-width: 122px;
  color: var(--teal-dark);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.roster-groups {
  margin-top: 28px;
  columns: 2;
  column-gap: 56px;
}

.roster-groups section {
  margin-bottom: 26px;
  break-inside: avoid;
}

.roster-groups h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.roster-groups h4 span {
  margin-left: 8px;
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 950;
}

.roster-groups ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.roster-groups li {
  padding: 4px 0;
  color: var(--soft-ink);
  font-size: 0.92rem;
}

.model-roster code {
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}

.subpage-cta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 90px;
}

.subpage-cta .tour-link { margin-top: 0; }

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .story {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .story-figure { display: none; }
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 44px;
    min-height: auto;
  }

  .hero-portrait {
    max-width: 400px;
    transform: rotate(-1.2deg);
  }

  .story {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .capabilities {
    grid-template-columns: repeat(2, 1fr);
  }

  .works {
    grid-template-columns: 1fr;
    gap: 44px;
    padding: 90px 0 80px;
  }

  .works-figure {
    max-width: 340px;
  }

  .newsletter-heading {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .subpage-hero {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .subpage-hero-figure {
    max-width: 440px;
  }

  .detail-grid { grid-template-columns: 1fr; }

  .link-list { grid-template-columns: 1fr; }

  .roster-groups { columns: 1; }
}

@media (max-width: 620px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1120px);
  }

  .hero { padding: 70px 0 58px; }

  h1 { font-size: clamp(6.5rem, 34vw, 11rem); }

  .subpage h1 { font-size: clamp(3rem, 14vw, 5rem); }

  .story,
  .works,
  .newsletter {
    padding: 78px 0;
  }

  .capabilities { grid-template-columns: 1fr; }

  .capabilities article { min-height: 220px; }

  .capabilities h3 { margin-top: 52px; }

  .works-list li {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .whats-new-teaser {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .teaser-arrow {
    grid-column: 2;
    justify-self: start;
  }

  .changelog li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .changelog time { padding-top: 0; }

  .steps li {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .steps li::before {
    grid-row: auto;
    padding-top: 0;
  }

  .steps h3,
  .steps p { grid-column: 1; }

  .issue {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .issue h3,
  .issue > p,
  .read-link {
    grid-column: 1;
    grid-row: auto;
  }

  .issue > p { margin: 0; }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .subpage-cta {
    flex-direction: column;
    gap: 10px;
  }

  .model-roster summary {
    grid-template-columns: 1fr;
    padding: 20px 22px;
  }

  .roster-hint {
    grid-column: 1;
    grid-row: auto;
    margin-top: 6px;
  }

  .roster-body { padding: 0 22px 24px; }

  .roster-active strong {
    display: block;
    min-width: 0;
  }
}