@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&display=swap');

:root {
  --ink: #19352a;
  --ink-soft: #365347;
  --paper: #f3efe5;
  --paper-deep: #e6dfd0;
  --white: #fffdf8;
  --acid: #d5ef65;
  --sun: #f4ba52;
  --line: rgba(25, 53, 42, 0.2);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'DM Sans', Arial, sans-serif;
  --mono: 'DM Mono', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--ink-soft);
}

:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.35rem 1.5rem;
  font-size: 0.82rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 1.5rem;
  height: 1.5rem;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--sans);
  font-size: 1.1rem;
  line-height: 1;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}

nav a {
  text-decoration: none;
}

main {
  overflow: hidden;
}

.hero,
.statement,
.principles,
.fork,
.includes {
  max-width: 1180px;
  margin: 0 auto;
  padding: 6rem 1.5rem;
}

.hero {
  min-height: auto;
  padding-top: 5rem;
  padding-bottom: 7rem;
}

.hero-copy {
  max-width: 900px;
}

.hero-mark {
  width: 100%;
  max-width: none;
  margin: 3.5rem 0 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.eyebrow,
.section-kicker,
.principle-number,
.fork-caption,
.part-label,
.footer-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.section-kicker {
  margin: 0 0 1.5rem;
  color: var(--ink-soft);
}

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

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

h1 {
  max-width: 720px;
  margin-bottom: 2rem;
  font-size: clamp(3.6rem, 9vw, 8.5rem);
}

.hero-lede {
  max-width: 580px;
  margin-bottom: 2.25rem;
  font-size: clamp(1.2rem, 2.3vw, 1.65rem);
  line-height: 1.25;
}

.hero-note {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
}

.hero-mark picture {
  display: block;
}

@media (max-width: 800px) {
  .hero-mark {
    width: 100%;
    max-width: none;
    margin: 2.25rem 0 0;
  }

  .hero-image {
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
  }
}

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

.statement-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.85fr) minmax(300px, 1fr);
  gap: 5rem;
}

h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.7rem, 6vw, 5.8rem);
}

.prose {
  max-width: 610px;
  padding-top: 0.6rem;
  font-size: 1.15rem;
}

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

.principles {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 5rem;
  border-top: 1px solid var(--line);
}

.principles-intro h2 {
  max-width: 540px;
  font-size: clamp(2.6rem, 5vw, 4.8rem);
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: start;
}

.principle-list article {
  min-height: 300px;
  padding: 1.25rem;
  border: 1px solid var(--ink);
  background: var(--white);
}

.principle-list article:nth-child(2) {
  background: var(--acid);
}

.principle-list article:nth-child(3) {
  background: var(--sun);
}

.principle-number {
  margin-bottom: 4rem;
}

.principle-list h3 {
  margin-bottom: 1rem;
  font-size: 2rem;
}

.principle-list article p:last-child {
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.4;
}

.fork {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 4rem;
  border-top: 1px solid var(--line);
}

.fork-caption {
  max-width: 160px;
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.4;
}

.fork-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.fork-option {
  min-height: 350px;
  padding: 1.5rem;
  border: 1px solid var(--ink);
}

.fork-open {
  background: var(--ink);
  color: var(--paper);
}

.fork-closed {
  background: transparent;
}

.fork-word {
  margin-bottom: 8rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6.5rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.fork-option p:last-child {
  max-width: 300px;
  margin-bottom: 0;
  font-size: 1.05rem;
}

.includes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  border-top: 1px solid var(--line);
}

.includes-copy p:last-child {
  max-width: 530px;
  font-size: 1.15rem;
}

.project-parts {
  display: grid;
  border-top: 1px solid var(--ink);
}

.project-parts p {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  margin: 0;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.part-label {
  color: var(--ink-soft);
}

.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
}

.footer-prompt {
  margin-bottom: 1.5rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -0.04em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.footer-meta {
  margin-bottom: 0;
  color: var(--ink-soft);
}

@media (max-width: 800px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 0.25rem;
  }

  nav a {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.5rem 0.25rem;
    text-align: center;
    white-space: nowrap;
  }

  .hero,
  .statement-grid,
  .principles,
  .fork,
  .includes {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 2.5rem;
    padding-bottom: 3.5rem;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-mark {
    width: 100%;
    max-width: none;
    margin: 2.25rem 0 0;
  }

  .statement,
  .principles,
  .fork,
  .includes {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  h2 {
    font-size: clamp(2.3rem, 10vw, 4rem);
  }

  .principles-intro h2 {
    font-size: clamp(2.2rem, 9vw, 3.5rem);
  }

  .statement-grid,
  .principles,
  .fork,
  .includes {
    gap: 2.5rem;
  }

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

  .principle-list article {
    min-height: auto;
  }

  .principle-number {
    margin-bottom: 2rem;
  }

  .fork-options {
    grid-template-columns: 1fr;
  }

  .fork-option {
    min-height: 280px;
  }

  .fork-word {
    margin-bottom: 5rem;
  }
}

@media (max-width: 480px) {
  .hero,
  .statement,
  .principles,
  .fork,
  .includes {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  h1 {
    font-size: clamp(2.5rem, 11vw, 3.1rem);
  }

  .project-parts p {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

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