:root {
  color-scheme: light dark;
  --page: #f8f7f4;
  --panel: #faf8f5;
  --ink: #131110;
  --secondary: #46423a;
  --muted: #615b50;
  --line: #d7d0c5;
  --accent: #a95622;
  --accent-soft: #eee2d4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0a0907;
    --panel: #1c1a16;
    --ink: #f3efe8;
    --secondary: #e8e0d4;
    --muted: #b0a08a;
    --line: #46423a;
    --accent: #e5a36e;
    --accent-soft: #3a271b;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "DM Sans", sans-serif;
}
a {
  color: inherit;
}
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
.skip {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 3;
  padding: 0.7rem 1rem;
  background: var(--panel);
}
.skip:focus {
  top: 1rem;
}
.wrap {
  width: min(100% - 3rem, 1260px);
  margin-inline: auto;
}
.site-header {
  min-height: 78px;
  width: min(100% - 3rem, 1260px);
  margin-inline: auto;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.wordmark,
.site-footer > span:first-child {
  font:
    700 1.45rem "Space Grotesk",
    sans-serif;
  letter-spacing: -0.075em;
  text-decoration: none;
}
.wordmark span,
.accent {
  color: var(--accent);
}
nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.4rem);
}
nav a {
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
nav a:hover,
.secondary-link:hover,
.site-footer a:hover {
  color: var(--accent);
}
.nav-cta {
  border: 1px solid var(--ink);
  padding: 0.8rem 1rem;
}
.hero {
  min-height: min(780px, calc(100svh - 78px));
  display: grid;
  grid-template-columns: minmax(0, 1.13fr) minmax(300px, 0.87fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  padding-block: 4rem 5rem;
}
.eyebrow,
.section-index,
.specimen-overline,
.specimen-top,
.specimen-bottom,
.step-number,
.access-note,
.site-footer {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--accent);
}
.eyebrow-line {
  width: 24px;
  height: 2px;
  background: currentColor;
}
h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.06em;
}
h1 {
  max-width: 12ch;
  font-size: clamp(3.6rem, 6.7vw, 7rem);
  line-height: 0.98;
  margin: 1.3rem 0 1.5rem;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-lede {
  max-width: 58ch;
  color: var(--secondary);
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.75;
  margin-bottom: 2rem;
}
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 50px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}
.primary-link:hover {
  background: var(--ink);
  color: var(--page);
}
.hero-specimen {
  align-self: center;
  min-height: 490px;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 18px 18px 0 var(--accent-soft);
  transform: rotate(1.4deg);
}
.specimen-top,
.specimen-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.4rem;
  color: var(--muted);
}
.specimen-top {
  border-bottom: 1px solid var(--line);
}
.specimen-status {
  color: var(--accent);
}
.specimen-body {
  flex: 1;
  padding: clamp(1.7rem, 3.4vw, 3.2rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.specimen-overline {
  color: var(--accent);
  margin: 0;
}
.specimen-body h2 {
  font-size: clamp(2rem, 3.6vw, 3.7rem);
  line-height: 1.05;
  margin: 1.8rem 0 1rem;
}
.specimen-body > p:not(.specimen-overline) {
  max-width: 38ch;
  color: var(--secondary);
  line-height: 1.7;
  margin: 0;
}
.specimen-rule {
  width: 100%;
  height: 1px;
  background: var(--line);
  margin: auto 0 1.4rem;
}
.specimen-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.specimen-tags span {
  padding: 0.45rem 0.7rem;
  background: var(--accent-soft);
  font-size: 0.72rem;
}
.specimen-bottom {
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.section {
  padding-block: clamp(5rem, 10vw, 9rem);
}
.method {
  background: var(--panel);
  border-block: 1px solid var(--line);
}
.section-index {
  color: var(--accent);
  margin: 0 0 1.3rem;
}
.section-intro {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: start;
  gap: 2rem;
}
.section-intro h2,
.scope h2 {
  font-size: clamp(2.7rem, 5vw, 5rem);
  line-height: 1.03;
  margin: 0;
}
.section-intro > p:last-child {
  color: var(--secondary);
  line-height: 1.7;
  margin: 0;
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: clamp(4rem, 7vw, 7rem) 0 0;
}
.method-grid li {
  border-top: 1px solid var(--ink);
  padding-top: 1.2rem;
}
.step-number {
  color: var(--accent);
}
.method-grid h3 {
  font-size: clamp(1.5rem, 2.1vw, 2.1rem);
  line-height: 1.12;
  margin: 3rem 0 1rem;
}
.method-grid p {
  color: var(--secondary);
  line-height: 1.7;
  max-width: 34ch;
}
.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 9rem);
}
.scope-copy {
  padding-top: 2.5rem;
}
.scope-copy > p {
  color: var(--secondary);
  line-height: 1.8;
  margin: 0 0 1.3rem;
}
.scope-copy code {
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 0.15em 0.3em;
}
.scope-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-top: 2rem;
}
.secondary-link {
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}
.scope-copy .access-note {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 1.6rem;
  line-height: 1.6;
}
.site-footer {
  min-height: 95px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}
.site-footer > span:first-child {
  color: var(--ink);
  text-transform: none;
}
.site-footer a {
  text-decoration: none;
  color: var(--ink);
}
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 4rem 5rem;
  }
  .hero-specimen {
    max-width: 580px;
    width: 100%;
    margin: 0 auto;
    transform: none;
  }
  .section-intro {
    grid-template-columns: 1fr 2fr;
  }
  .section-intro > p:last-child {
    grid-column: 2;
  }
  .scope-grid {
    gap: 3rem;
  }
}
@media (max-width: 620px) {
  .site-header {
    min-height: 70px;
  }
  .site-header nav > a:not(.nav-cta) {
    display: none;
  }
  .hero {
    gap: 3rem;
    padding-block: 3.5rem 4rem;
  }
  h1 {
    font-size: clamp(3.25rem, 13vw, 4.7rem);
  }
  .hero-specimen {
    min-height: 400px;
    box-shadow: 9px 9px 0 var(--accent-soft);
  }
  .specimen-body h2 {
    font-size: 2.5rem;
  }
  .section-intro,
  .method-grid,
  .scope-grid {
    grid-template-columns: 1fr;
  }
  .section-intro > p:last-child {
    grid-column: auto;
  }
  .method-grid {
    gap: 2.2rem;
    margin-top: 3.5rem;
  }
  .method-grid h3 {
    margin-top: 1.8rem;
  }
  .scope-copy {
    padding-top: 0;
  }
  .site-footer {
    padding-block: 1.5rem;
    flex-wrap: wrap;
  }
  .site-footer > span:nth-child(2) {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}