:root {
  --ink: #3c3e49;
  --paper: #e7e5de;
  --surface: #f0eee8;
  --violet: #817b95;
  --rose: #ad8981;
  --sage: #8fa39d;
  --mist: #c7c8cf;
  --rule: rgba(60, 62, 73, 0.16);
  --soft-ink: rgba(60, 62, 73, 0.7);
  --faint-ink: rgba(60, 62, 73, 0.52);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 84% 12%, rgba(129, 123, 149, 0.16), transparent 31rem),
    radial-gradient(circle at 8% 61%, rgba(143, 163, 157, 0.14), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, sans-serif;
}

::selection {
  background: rgba(129, 123, 149, 0.26);
}

a {
  color: inherit;
}

main {
  width: min(100% - 48px, 1440px);
  margin: 0 auto;
}

.masthead,
.eyebrow,
footer {
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.masthead {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
}

.masthead p,
.masthead-link {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
}

.masthead-link {
  color: var(--violet);
  text-decoration: none;
}

.masthead-link:hover,
.masthead-link:focus-visible {
  color: var(--ink);
}

.wordmark {
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(1.7rem, 2.5vw, 2.55rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
  text-decoration: none;
  text-transform: lowercase;
}

.hero {
  min-height: min(820px, calc(100vh - 86px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(54px, 7vw, 100px) 0 clamp(88px, 10vw, 150px);
}

.eyebrow {
  display: flex;
  justify-content: space-between;
  margin-bottom: clamp(34px, 5vw, 70px);
  color: var(--faint-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
}

.hero-lockup {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
  gap: clamp(44px, 7vw, 118px);
  align-items: center;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(4.8rem, 9.2vw, 9.7rem);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: -0.07em;
}

.hero-deck {
  max-width: 520px;
  margin: clamp(30px, 4vw, 54px) 0 0;
  color: var(--soft-ink);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.65;
}

.dimensional-field {
  position: relative;
  min-height: clamp(360px, 42vw, 610px);
  isolation: isolate;
}

.dimensional-field::before {
  content: "";
  position: absolute;
  inset: 8%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.34), transparent 67%);
  filter: blur(8px);
}

.orbit,
.facet,
.axis,
.origin {
  position: absolute;
  display: block;
}

.orbit {
  inset: 13% 7%;
  border: 1px solid rgba(60, 62, 73, 0.18);
  border-radius: 50%;
}

.orbit-one {
  transform: rotate(-18deg) skewX(12deg);
}

.orbit-two {
  inset: 22% 18%;
  border-color: rgba(129, 123, 149, 0.3);
  transform: rotate(43deg) skewY(-16deg);
}

.facet {
  inset: 23% 19%;
  clip-path: polygon(50% 0, 96% 30%, 78% 88%, 23% 100%, 0 39%);
  background: rgba(129, 123, 149, 0.26);
  box-shadow: inset 0 0 0 1px rgba(60, 62, 73, 0.1);
}

.facet-one {
  transform: rotate(-12deg);
}

.facet-two {
  inset: 30% 26%;
  background: rgba(173, 137, 129, 0.29);
  transform: rotate(52deg) scale(0.84);
}

.facet-three {
  inset: 36% 31%;
  background: rgba(143, 163, 157, 0.4);
  transform: rotate(112deg) scale(0.66);
}

.axis {
  top: 50%;
  left: 50%;
  width: 38%;
  height: 1px;
  background: rgba(60, 62, 73, 0.38);
  transform-origin: left center;
}

.axis::after {
  content: "";
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.axis-x { transform: rotate(0deg); }
.axis-y { transform: rotate(90deg); }
.axis-z { transform: rotate(145deg); }
.axis-w {
  width: 45%;
  color: var(--violet);
  background: rgba(129, 123, 149, 0.62);
  box-shadow: 0 0 18px rgba(129, 123, 149, 0.22);
  transform: rotate(-43deg);
}

.origin {
  top: calc(50% - 5px);
  left: calc(50% - 5px);
  width: 10px;
  height: 10px;
  border: 1px solid rgba(60, 62, 73, 0.4);
  border-radius: 50%;
  background: var(--paper);
}

.guides {
  padding: clamp(86px, 10vw, 150px) 0;
  border-top: 1px solid var(--rule);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(110px, 0.3fr) minmax(280px, 1fr) minmax(260px, 0.58fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: start;
  margin-bottom: clamp(52px, 7vw, 100px);
}

.section-kicker,
.section-intro > p:last-child,
.guide-number,
.guide-card p {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.section-kicker {
  margin: 0;
  color: var(--violet);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-intro h1,
.section-intro h2 {
  max-width: 700px;
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(3.6rem, 6.8vw, 7rem);
  font-weight: 400;
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.section-intro > p:last-child {
  margin: 0;
  color: var(--soft-ink);
  font-size: 0.76rem;
  line-height: 1.75;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.guide-card {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 42px);
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 28px;
  background: rgba(240, 238, 232, 0.66);
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.guide-card:hover,
.guide-card:focus-visible {
  border-color: rgba(129, 123, 149, 0.34);
  background: rgba(239, 237, 231, 0.96);
  outline: none;
  transform: translateY(-3px);
}

.guide-number {
  color: var(--rose);
  font-size: 0.7rem;
}

.guide-card h3 {
  max-width: 620px;
  margin: auto 0 24px;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(2rem, 3vw, 3.45rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.guide-card p {
  max-width: 560px;
  margin: 0;
  color: var(--faint-ink);
  font-size: 0.7rem;
  line-height: 1.6;
}

footer {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--rule);
  color: var(--faint-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  line-height: 1.5;
}

footer p {
  margin: 0;
}

.article-shell {
  padding: clamp(72px, 9vw, 132px) 0 clamp(90px, 11vw, 160px);
}

.article-header {
  max-width: 1240px;
  margin-bottom: clamp(72px, 9vw, 138px);
}

.article-kicker,
.article-deck,
.article-aside,
.article-nav,
.checklist,
.callout-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.article-kicker {
  margin: 0 0 30px;
  color: var(--violet);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.article-header h1 {
  max-width: 1160px;
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(4rem, 8.6vw, 9rem);
  font-weight: 400;
  line-height: 0.84;
  letter-spacing: -0.065em;
}

.article-deck {
  max-width: 780px;
  margin: clamp(34px, 5vw, 66px) 0 0;
  color: var(--soft-ink);
  font-size: clamp(0.88rem, 1.3vw, 1.05rem);
  line-height: 1.8;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(190px, 0.3fr) minmax(0, 1fr);
  gap: clamp(44px, 8vw, 132px);
  align-items: start;
  border-top: 1px solid var(--rule);
  padding-top: clamp(38px, 5vw, 74px);
}

.article-aside {
  position: sticky;
  top: 28px;
  padding: 24px;
  border-radius: 20px;
  background: rgba(240, 238, 232, 0.6);
  color: var(--faint-ink);
  font-size: 0.68rem;
  line-height: 1.65;
}

.article-aside strong {
  display: block;
  margin-bottom: 20px;
  color: var(--rose);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-aside ol {
  margin: 0;
  padding-left: 1.4rem;
}

.article-aside li + li {
  margin-top: 12px;
}

.article-body {
  max-width: 800px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.08rem, 1.5vw, 1.25rem);
  line-height: 1.78;
}

.article-body section + section {
  margin-top: clamp(58px, 7vw, 92px);
}

.article-body h2 {
  margin: 0 0 24px;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(2.5rem, 4.4vw, 4.5rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.article-body h3 {
  margin: 40px 0 14px;
  color: var(--violet);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-body p {
  margin: 0 0 1.35em;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.5em;
  padding-left: 1.35em;
}

.article-body li + li {
  margin-top: 0.55em;
}

.article-body code {
  color: #68627d;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82em;
}

.callout {
  margin: clamp(40px, 6vw, 72px) 0;
  padding: clamp(26px, 4vw, 44px);
  border-left: 3px solid rgba(173, 137, 129, 0.72);
  border-radius: 0 20px 20px 0;
  background: rgba(173, 137, 129, 0.11);
}

.callout-label {
  display: block;
  margin-bottom: 16px;
  color: var(--rose);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.checklist {
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  line-height: 1.6;
}

.checklist li {
  position: relative;
  padding: 14px 0 14px 34px;
  border-bottom: 1px solid var(--rule);
}

.checklist li::before {
  content: "○";
  position: absolute;
  left: 0;
  color: var(--violet);
}

.article-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(80px, 10vw, 145px);
}

.article-nav a {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 30px;
  padding: 26px;
  border: 1px solid var(--rule);
  border-radius: 22px;
  background: rgba(240, 238, 232, 0.54);
  font-size: 0.68rem;
  line-height: 1.5;
  text-decoration: none;
  text-transform: uppercase;
}

.article-nav a:hover,
.article-nav a:focus-visible {
  border-color: rgba(129, 123, 149, 0.34);
  background: rgba(240, 238, 232, 0.96);
  outline: none;
}

.article-nav span {
  color: var(--rose);
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

  .hero-lockup,
  .section-intro,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .hero-lockup {
    gap: 28px;
  }

  .dimensional-field {
    width: min(100%, 620px);
    min-height: clamp(330px, 72vw, 530px);
    margin-left: auto;
  }

  .section-intro {
    gap: 28px;
  }

  .article-aside {
    position: static;
    max-width: 600px;
  }
}

@media (max-width: 640px) {
  main {
    width: min(100% - 28px, 1440px);
  }

  .masthead {
    min-height: 74px;
  }

  .masthead p,
  .eyebrow span:last-child {
    display: none;
  }

  .hero h1 {
    font-size: clamp(4.4rem, 23vw, 6.8rem);
    line-height: 0.8;
  }

  .hero-deck {
    font-size: 0.98rem;
  }

  .guide-grid,
  .article-nav {
    grid-template-columns: 1fr;
  }

  .guide-card {
    min-height: 235px;
    border-radius: 22px;
  }

  .article-header h1 {
    font-size: clamp(3.7rem, 17vw, 6.2rem);
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .guide-card {
    transition: none;
  }
}