:root {
  --ink: #071018;
  --navy: #101c2a;
  --slate: #1a2a3a;
  --line: rgba(239, 230, 211, 0.14);
  --parchment: #efe6d3;
  --muted: #b7c4d2;
  --gold: #d4af37;
  --copper: #c4783a;
  --lane: #e15a48;
  --sage: #86a07a;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --serif: "Fraunces", "Times New Roman", serif;
  --sans: "Sora", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Consolas", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--parchment);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
}

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

a { color: inherit; }

h1, h2, h3 { font-family: var(--serif); line-height: 1.15; margin: 0 0 0.6em; }

h2 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 600; }

h3 { font-size: 1.35rem; }

p { margin: 0 0 1em; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--gold);
  color: var(--ink);
  padding: 0.6rem 1rem;
  z-index: 20;
}

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

.wrap {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.chapter {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.section {
  padding: 6.5rem 0;
  position: relative;
  scroll-margin-top: 4.5rem;
}

.section-lede {
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.4rem;
  background: linear-gradient(to bottom, rgba(7, 16, 24, 0.92), rgba(7, 16, 24, 0));
}

.nav-mark {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--gold);
  color: var(--gold);
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
}

.nav-links {
  display: flex;
  gap: 1.3rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--parchment); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--parchment);
  margin: 6px 4px;
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: end start;
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}

#stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-inner {
  position: relative;
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
  z-index: 1;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

h1 {
  font-size: clamp(3.4rem, 12vw, 8.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0.1em 0 0.15em;
}

.hero-line {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  color: #f6edd8;
}

.hero-lede {
  max-width: 36rem;
  color: var(--muted);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.hero-tags span {
  border: 1px solid var(--line);
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.scroll-cue {
  position: absolute;
  right: 1.6rem;
  bottom: 1.6rem;
  z-index: 1;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gold);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.about p { color: var(--muted); font-size: 1.08rem; }

.facts {
  background: var(--navy);
  border: 1px solid var(--line);
  padding: 1.5rem 1.4rem;
  box-shadow: var(--shadow);
}

.facts h3 {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.facts dl { margin: 0; }

.facts dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.facts dd { margin: 0; text-align: right; }

.code { background: #09141e; }

.code-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  margin-top: 2.4rem;
}

.terminal {
  background: #061018;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  background: #102030;
  border-bottom: 1px solid var(--line);
}

.terminal-bar span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: #3d4d5c;
}

.terminal-bar span:first-child { background: #e15a48; }
.terminal-bar span:nth-child(2) { background: #d4af37; }
.terminal-bar span:nth-child(3) { background: #86a07a; }

.terminal-bar p {
  margin: 0 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

#terminal-body {
  margin: 0;
  min-height: 14rem;
  padding: 1.2rem 1.1rem 1.6rem;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.65;
  color: #d7e6d2;
  white-space: pre-wrap;
}

.prompt { color: var(--gold); }

.caret {
  display: inline-block;
  width: 0.55ch;
  height: 1em;
  background: var(--gold);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.lang-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.lang-list li {
  background: var(--navy);
  border: 1px solid var(--line);
  padding: 1.1rem 1.15rem;
  color: var(--muted);
}

.lang {
  display: block;
  font-family: var(--mono);
  color: var(--parchment);
  margin-bottom: 0.35rem;
}

.track { overflow: hidden; }

.lanes {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -18deg,
      transparent 0 46px,
      rgba(225, 90, 72, 0.08) 46px 48px
    );
  pointer-events: none;
}

.race-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.4rem;
}

.race-cards article {
  background: var(--navy);
  border-top: 3px solid var(--lane);
  padding: 1.4rem 1.2rem 1.5rem;
}

.race-num {
  font-family: var(--mono);
  color: var(--lane);
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
}

.race-cards p:last-child {
  color: var(--muted);
  margin: 0;
}

.library { background: #0c1824; }

.shelf {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 0.65rem;
  min-height: 18rem;
  margin-top: 2.2rem;
  padding: 1.4rem 1.2rem 0;
  border-bottom: 14px solid #5a3d27;
  background: linear-gradient(#1a120c, #2a1b12);
}

.book {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  flex: 0 0 auto;
  width: 3.6rem;
  height: 13.5rem;
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.08em;
  padding: 1.1rem 0;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--parchment);
  box-shadow: inset -8px 0 0 rgba(0, 0, 0, 0.18);
}

.book.gold { background: #b8922a; color: #1b1406; height: 14.6rem; width: 4rem; }
.book.rust { background: #9a3f2a; height: 13.4rem; width: 3.5rem; }
.book.navy { background: #1f3a5a; height: 15.2rem; width: 3.3rem; }
.book.moss { background: #3f5a38; height: 13rem; width: 3.8rem; }
.book.wine { background: #6b2740; height: 14.3rem; width: 4.1rem; }
.book.steel { background: #4d6070; height: 13.8rem; width: 3.4rem; }
.book.cream { background: #e8d8b5; color: #2b2112; height: 15.6rem; width: 3.9rem; }

.shelf-note {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.mind-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.mind-grid article {
  padding: 1.4rem 1.3rem;
  border: 1px solid var(--line);
  background: rgba(16, 28, 42, 0.7);
}

.mind-grid p { color: var(--muted); margin: 0; }

.faith {
  background:
    radial-gradient(circle at 20% 20%, rgba(212, 175, 55, 0.12), transparent 28%),
    var(--ink);
}

.faith-inner { max-width: 42rem; }

.faith p { color: var(--muted); font-size: 1.1rem; }

blockquote {
  margin: 2rem 0 0;
  padding-left: 1.2rem;
  border-left: 3px solid var(--gold);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--parchment);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p { margin: 0; }

.footer-small { font-family: var(--mono); font-size: 0.75rem; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 1rem;
    flex-direction: column;
    background: #0d1824;
    border: 1px solid var(--line);
    padding: 1rem 1.2rem;
    min-width: 12rem;
  }

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

  .about-grid,
  .code-layout,
  .race-cards,
  .mind-grid {
    grid-template-columns: 1fr;
  }

  .shelf {
    overflow-x: auto;
    padding-bottom: 0;
  }

  .footer-inner {
    flex-direction: column;
  }

  .scroll-cue { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .caret { animation: none; }
}