@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;600;700&family=Newsreader:opsz,wght@6..72,300;6..72,400;6..72,500&display=swap");

:root {
  --bg: #f5f1e8;
  --paper: rgba(255, 252, 247, 0.88);
  --paper-strong: #fffdf8;
  --ink: #161b22;
  --muted: #5c6371;
  --line: rgba(217, 210, 194, 0.92);
  --accent: #d5571f;
  --accent-deep: #b6471a;
  --accent-soft: rgba(213, 87, 31, 0.1);
  --forest: #2b5341;
  --shadow: 0 18px 50px rgba(39, 31, 19, 0.08);
  --radius: 22px;
  --max: 1160px;
  --body-font: "Newsreader", "Source Serif Pro", Georgia, serif;
  --display-font: "Newsreader", "Source Serif Pro", Georgia, serif;
  --mono-font: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  --grain: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.10  0 0 0 0 0.13  0 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body-font);
  line-height: 1.58;
  background:
    radial-gradient(circle at top left, rgba(213, 87, 31, 0.1), transparent 28%),
    radial-gradient(circle at right 18%, rgba(43, 83, 65, 0.09), transparent 26%),
    linear-gradient(180deg, #f7f2e9 0%, #f5f1e8 55%, #efe7d8 100%);
  background-image: var(--grain), radial-gradient(circle at top left, rgba(213, 87, 31, 0.08), transparent 28%), radial-gradient(circle at right 18%, rgba(43, 83, 65, 0.08), transparent 26%), linear-gradient(180deg, #f7f2e9 0%, #f5f1e8 55%, #efe7d8 100%);
  background-attachment: fixed;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.site-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(246, 241, 232, 0.86);
  border-bottom: 1px solid rgba(29, 36, 48, 0.08);
}

.topbar-inner,
.section,
.footer-inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-mark {
  display: grid;
  gap: 0.1rem;
}

.brand-mark strong {
  font-family: var(--mono-font);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-mark span {
  color: var(--muted);
  font-family: var(--mono-font);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper-strong);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font: 600 0.72rem/1 var(--mono-font);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-family: var(--mono-font);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

main {
  padding-bottom: 4rem;
}

.hero {
  padding: 5.5rem 0 3rem;
}

.hero-grid {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.5rem;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.panel,
.card,
.article-card,
.prompt-card,
.tool-card,
.boundary-card,
.support-box {
  background: var(--paper);
  border: 1px solid rgba(29, 36, 48, 0.08);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.hero-copy {
  padding: 2.2rem;
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(47, 84, 65, 0.1);
  color: var(--forest);
  font-family: var(--mono-font);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--display-font);
  line-height: 1.08;
  margin: 0;
}

h1 {
  margin-top: 1rem;
  font-size: clamp(2.8rem, 5vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 0.45rem;
}

.lede,
.hero-copy p,
.section-intro {
  font-size: 1.07rem;
  color: var(--muted);
  font-variation-settings: "opsz" 24;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.7rem;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  font-family: var(--mono-font);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button {
  background: var(--accent);
  color: #fffaf5;
  box-shadow: 0 10px 22px rgba(105, 50, 29, 0.22);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  border: 1px solid var(--line);
}

.button:hover,
.button-secondary:hover,
.button:focus-visible,
.button-secondary:focus-visible {
  transform: translateY(-2px);
}

.hero-panel {
  padding: 1.6rem;
  display: grid;
  gap: 1rem;
}

.metric-grid,
.card-grid,
.article-grid,
.prompt-grid,
.tool-grid,
.build-grid,
.boundary-grid,
.support-grid,
.lane-grid {
  display: grid;
  gap: 1rem;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(29, 36, 48, 0.08);
}

.metric strong {
  display: block;
  font-size: 1.6rem;
  font-family: var(--display-font);
}

.section {
  padding: 1.5rem 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-link {
  color: var(--accent-deep);
  font-family: var(--mono-font);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.card-grid,
.lane-grid,
.article-grid,
.build-grid,
.prompt-grid,
.tool-grid,
.boundary-grid,
.support-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.article-card,
.prompt-card,
.tool-card,
.boundary-card,
.support-box {
  padding: 1.4rem;
}

.card p,
.article-card p,
.prompt-card p,
.tool-card p,
.boundary-card p,
.support-box p,
li {
  color: var(--muted);
}

.tag-row,
.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.tag,
.mini-tags span {
  display: inline-flex;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(159, 79, 47, 0.09);
  color: var(--accent-deep);
  font-family: var(--mono-font);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-list,
.review-list,
.boundary-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.6rem;
}

.detail-list strong,
.review-list strong,
.boundary-list strong {
  color: var(--ink);
}

.page-hero {
  padding: 4.4rem 0 2.1rem;
}

.page-hero .section,
.page-hero-wrap {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.page-hero-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}

.panel {
  padding: 1.5rem;
}

.note-strip {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--forest);
  background: rgba(47, 84, 65, 0.08);
  border-radius: 0 16px 16px 0;
}

.prompt-card code,
.inline-prompt {
  display: block;
  margin-top: 0.85rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(29, 36, 48, 0.08);
  color: var(--ink);
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.95rem;
}

.footer {
  padding: 2.4rem 0 3rem;
  border-top: 1px solid rgba(29, 36, 48, 0.08);
  background: rgba(255, 253, 248, 0.72);
}

.footer-inner {
  display: grid;
  gap: 0.8rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  color: var(--muted);
  font-family: var(--mono-font);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.disclaimer {
  max-width: 70rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 940px) {
  .hero-grid,
  .page-hero-wrap,
  .card-grid,
  .lane-grid,
  .article-grid,
  .build-grid,
  .prompt-grid,
  .tool-grid,
  .boundary-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    background: rgba(255, 252, 247, 0.96);
    border: 1px solid rgba(29, 36, 48, 0.08);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.75rem 0.9rem;
  }

  .topbar-inner {
    position: relative;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 4.2rem;
  }

  .hero-copy,
  .hero-panel,
  .card,
  .article-card,
  .prompt-card,
  .tool-card,
  .boundary-card,
  .support-box,
  .panel {
    padding: 1.2rem;
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 1.9rem;
  }
}