:root {
  --bg: #f2f0e9;
  --paper: #faf9f5;
  --ink: #101311;
  --muted: #646963;
  --line: #d5d5cd;
  --accent: #b9f22e;
  --accent-soft: #e6f8ba;
  --dark: #0d100e;
  --dark-2: #171b18;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(25, 30, 26, 0.08);
  --sans: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 7%, rgba(185, 242, 46, 0.18), transparent 22rem),
    var(--bg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--dark);
  background: var(--accent);
  transform: translateY(-120%);
  transition: transform 180ms ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand strong { color: #608000; }

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--accent);
  background: var(--dark);
  border-radius: 9px;
  font-family: var(--mono);
  font-size: 0.92rem;
}

.top-nav { display: flex; align-items: center; gap: 1.7rem; }

.top-nav a {
  color: #444944;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.top-nav a:hover { color: var(--ink); }

.top-nav .nav-cta {
  padding: 0.72rem 1rem;
  color: var(--white);
  background: var(--dark);
  border-radius: 999px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  min-height: 660px;
  padding: 5.5rem 0 6rem;
}

.eyebrow,
.section-kicker,
.level-meta {
  margin: 0 0 1.3rem;
  color: #62675f;
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.11em;
}

.eyebrow span {
  margin-right: 0.65rem;
  padding: 0.32rem 0.55rem;
  color: var(--dark);
  background: var(--accent);
  border-radius: 999px;
}

.hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(3.4rem, 6.2vw, 6.2rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.hero h1 em {
  color: #647000;
  font-style: normal;
}

.hero-lede {
  max-width: 650px;
  margin: 2rem 0 0;
  color: #555b55;
  font-size: clamp(1rem, 1.7vw, 1.16rem);
  line-height: 1.75;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.3rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  min-height: 50px;
  padding: 0 1.25rem;
  border: 1px solid var(--dark);
  border-radius: 11px;
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 170ms ease, box-shadow 170ms ease, background 170ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--dark); color: var(--white); box-shadow: 5px 5px 0 var(--accent); }
.button-primary:hover { box-shadow: 7px 7px 0 var(--accent); }
.button-ghost { background: rgba(255,255,255,0.42); }
.button-ghost:hover { background: var(--paper); }

.terminal-card {
  overflow: hidden;
  color: #dfe5de;
  background: var(--dark);
  border: 1px solid #242a25;
  border-radius: 20px;
  box-shadow: 14px 14px 0 rgba(185, 242, 46, 0.82), 0 40px 70px rgba(0,0,0,0.17);
  transform: rotate(1.2deg);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 46px;
  padding: 0 1rem;
  background: var(--dark-2);
  border-bottom: 1px solid #2c322d;
}

.terminal-bar > span { width: 9px; height: 9px; background: #444c46; border-radius: 50%; }
.terminal-bar > span:first-child { background: var(--accent); }
.terminal-bar p { margin: 0 0 0 auto; color: #7f887f; font: 0.68rem var(--mono); }
.terminal-body { padding: 1.7rem; font: 0.78rem/1.6 var(--mono); }
.terminal-body > p:first-child { margin: 0; }
.prompt { color: var(--accent); }
.terminal-rule { height: 1px; margin: 1.35rem 0; background: #303630; }
.terminal-label { margin: 0 0 1rem; color: #707970; font-size: 0.64rem; letter-spacing: 0.14em; }
.progress-list { display: grid; gap: 0.78rem; padding: 0; margin: 0; list-style: none; }
.progress-list li { display: flex; align-items: center; gap: 0.85rem; }
.progress-list span { color: var(--accent); }
.terminal-status { margin: 1.5rem 0 0; padding-top: 1rem; color: #858e85; border-top: 1px solid #303630; font-size: 0.67rem; }
.terminal-status span { display: inline-block; width: 7px; height: 7px; margin-right: 0.5rem; background: var(--accent); border-radius: 50%; box-shadow: 0 0 12px var(--accent); }

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stats-strip div { display: flex; align-items: center; gap: 0.9rem; padding: 1.35rem 1.5rem; }
.stats-strip div + div { border-left: 1px solid var(--line); }
.stats-strip strong { font-size: 1.5rem; letter-spacing: -0.05em; }
.stats-strip span { color: var(--muted); font-size: 0.77rem; line-height: 1.35; }

.roadmap-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  padding: 9rem 0 5rem;
}

.section-kicker { margin-bottom: 1rem; color: #6d780d; }

.roadmap-intro h2,
.principles h2,
.resource-index h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

.roadmap-intro > p {
  max-width: 550px;
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.roadmap { position: relative; }

.roadmap::before {
  content: "";
  position: absolute;
  top: 46px;
  bottom: 50px;
  left: 43px;
  width: 1px;
  background: var(--line);
}

.level {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 2rem;
  position: relative;
  padding-bottom: 2.2rem;
  scroll-margin-top: 1rem;
}

.level-marker {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding-top: 2.2rem;
}

.level-marker span {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: var(--accent);
  background: var(--dark);
  border: 7px solid var(--bg);
  outline: 1px solid #303630;
  border-radius: 50%;
  font: 0.75rem var(--mono);
}

.level-content {
  padding: clamp(1.6rem, 4vw, 3rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(20,24,21,0.045);
}

.level-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.5rem; }
.level-meta { margin-bottom: 0.65rem; color: #79801d; }
.level-heading h3 { margin: 0; font-size: clamp(1.7rem, 3.2vw, 2.7rem); letter-spacing: -0.055em; }
.level-tag { padding: 0.48rem 0.75rem; color: #4d5900; background: var(--accent-soft); border-radius: 999px; font: 0.66rem var(--mono); text-transform: uppercase; }
.level-description { max-width: 790px; margin: 1.2rem 0 1.8rem; color: var(--muted); line-height: 1.7; }

.resource-grid { display: grid; gap: 0.8rem; }
.resource-grid-3 { grid-template-columns: repeat(3, 1fr); }
.resource-grid-2 { grid-template-columns: repeat(2, 1fr); }

.resource-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: start;
  min-height: 105px;
  padding: 1rem;
  background: var(--white);
  border: 1px solid #dfdfd8;
  border-radius: 12px;
  text-decoration: none;
  transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
}

.resource-card:hover { transform: translateY(-3px); border-color: #9db62a; box-shadow: 0 12px 24px rgba(22,27,22,0.08); }
.resource-card:focus-visible { outline: 3px solid #769807; outline-offset: 3px; }
.resource-number { padding-top: 0.15rem; color: #879048; font: 0.63rem var(--mono); }
.resource-card p { margin: 0 0 0.4rem; font-size: 0.9rem; font-weight: 800; letter-spacing: -0.02em; }
.resource-card div span { display: block; color: #72776f; font-size: 0.72rem; line-height: 1.45; }
.resource-card b { color: #596500; font-size: 0.9rem; }

.mission {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-top: 1.3rem;
  padding: 1.05rem 1.15rem;
  background: #eff2e9;
  border-left: 3px solid #95b417;
  border-radius: 0 10px 10px 0;
}

.mission-icon { display: grid; flex: 0 0 auto; width: 24px; height: 24px; place-items: center; color: var(--dark); background: var(--accent); border-radius: 50%; font-size: 0.72rem; font-weight: 800; }
.mission strong { display: block; margin: 0 0 0.18rem; font-size: 0.76rem; }
.mission p { margin: 0; color: #646b61; font-size: 0.75rem; line-height: 1.55; }
code { padding: 0.08rem 0.3rem; color: #3f5000; background: #e5ebd5; border-radius: 4px; font: 0.88em var(--mono); }
.mission-final { color: #eaf0e8; background: var(--dark); border-color: var(--accent); }
.mission-final p { color: #aeb7ae; }
.mission-final code { color: var(--accent); background: #262e25; }

.principles {
  margin-top: 7rem;
  padding: clamp(2rem, 6vw, 5.2rem);
  color: var(--white);
  background: var(--dark);
  border-radius: 24px;
}

.principles-heading { display: grid; grid-template-columns: 0.45fr 1fr; gap: 2rem; align-items: start; }
.principles .section-kicker { color: var(--accent); }
.principles h2 { font-size: clamp(2rem, 4vw, 3.7rem); }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 4rem; background: #343b35; }
.principle-grid article { padding: 2rem; background: var(--dark); }
.principle-grid span { color: var(--accent); font: 0.72rem var(--mono); }
.principle-grid h3 { margin: 1.1rem 0 0.8rem; font-size: 1.15rem; }
.principle-grid p { margin: 0; color: #9ea79e; font-size: 0.82rem; line-height: 1.65; }

.resource-index {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
  padding: 9rem 0;
}

.resource-index h2 { font-size: clamp(2.2rem, 4vw, 3.6rem); }
.link-cloud { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.link-cloud a { padding: 1rem 0.4rem; border-bottom: 1px solid var(--line); color: #4d534d; font-size: 0.76rem; font-weight: 700; text-decoration: none; }
.link-cloud a:hover { color: #586900; background: rgba(185, 242, 46, 0.1); }

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 120px;
  border-top: 1px solid var(--line);
}

.footer-brand { display: flex; align-items: center; gap: 0.8rem; }
.footer-brand p { margin: 0; color: #747a73; font-size: 0.68rem; line-height: 1.55; }
.footer-brand strong { color: var(--ink); }
footer > a { color: #4c514c; font-size: 0.75rem; font-weight: 700; text-decoration: none; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-block: 4.5rem; }
  .terminal-card { max-width: 600px; transform: none; }
  .roadmap-intro, .resource-index { grid-template-columns: 1fr; gap: 2rem; }
  .principles-heading { grid-template-columns: 1fr; }
  .resource-grid-3 { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stats-strip div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .stats-strip div:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 680px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 70px; }
  .top-nav > a:not(.nav-cta) { display: none; }
  .top-nav .nav-cta { padding: 0.62rem 0.8rem; font-size: 0.72rem; }
  .hero { padding: 3.5rem 0 4.5rem; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .hero-actions { display: grid; }
  .terminal-card { box-shadow: 8px 8px 0 rgba(185, 242, 46, 0.82); }
  .stats-strip { grid-template-columns: 1fr; }
  .stats-strip div + div, .stats-strip div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .roadmap-intro { padding: 7rem 0 3.5rem; }
  .roadmap::before { left: 24px; }
  .level { grid-template-columns: 49px 1fr; gap: 0.7rem; }
  .level-marker { justify-content: flex-start; padding-top: 2rem; }
  .level-marker span { width: 46px; height: 46px; border-width: 6px; }
  .level-content { padding: 1.35rem; }
  .level-heading { display: block; }
  .level-tag { display: inline-block; margin-top: 0.8rem; }
  .resource-grid-2 { grid-template-columns: 1fr; }
  .principles { margin-top: 4rem; border-radius: 18px; }
  .principle-grid { grid-template-columns: 1fr; margin-top: 2.5rem; }
  .resource-index { padding: 7rem 0; }
  .link-cloud { grid-template-columns: repeat(2, 1fr); }
  footer { align-items: flex-start; padding: 1.8rem 0; }
  footer > a { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

@media print {
  body { background: white; }
  .site-header, .hero-actions, footer { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
  .terminal-card { box-shadow: none; }
  .level, .principles { break-inside: avoid; }
  .level-content { box-shadow: none; }
}