/* SpiritTrainers — the idea is the interface.
   Deep near-black ground, one typographic voice, generous space, slow motion.
   No external fonts, scripts, or assets (see governance/SECURITY_POLICY.md). */

:root {
  --ground: #060608;
  --ground-2: #0b0b0f;
  --ink: #f4f3ef;
  --ink-dim: #9b9aa2;
  --ink-faint: #56555d;
  --line: #1c1c22;
  --accent: #e9e6dd;
  --measure: 34rem;
  --pad: clamp(1.5rem, 6vw, 6rem);
  --serif: Georgia, "Iowan Old Style", "Times New Roman", Times, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --slow: 1400ms;
  --slower: 2400ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: #2a2a33; color: #fff; }

a { color: inherit; text-decoration: none; }

/* ---------- shared layout ---------- */

.wrap { max-width: 62rem; margin: 0 auto; padding-inline: var(--pad); }
.measure { max-width: var(--measure); }

section { padding-block: clamp(6rem, 18vh, 14rem); }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 2rem;
}

h1, h2, h3 { font-weight: 400; letter-spacing: -0.01em; line-height: 1.12; }

p { max-width: var(--measure); }
p + p { margin-top: 1.4rem; }

.dim { color: var(--ink-dim); }
.faint { color: var(--ink-faint); }

/* ---------- top nav ---------- */

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem var(--pad);
  z-index: 50;
  mix-blend-mode: difference;
  font-family: var(--sans);
}
.topbar .mark {
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.topbar nav {
  display: flex;
  gap: clamp(0.9rem, 2.4vw, 2rem);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.topbar nav a { color: #cfcfd6; transition: color var(--slow) var(--ease); }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: #fff; }

/* ---------- hero ---------- */

.hero {
  min-height: 100vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--pad);
  position: relative;
}

.stage {
  min-height: 4.5em;
  display: grid;
  place-items: center;
  position: relative;
}

.word {
  font-size: clamp(2.6rem, 12vw, 8.5rem);
  letter-spacing: 0.08em;
  line-height: 1;
  position: absolute;
  opacity: 0;
  transition: opacity var(--slow) var(--ease);
}
.word.show { opacity: 1; }

.word .ltr {
  display: inline-block;
  transition: transform var(--slower) var(--ease), opacity var(--slower) var(--ease);
  will-change: transform, opacity;
}

.hero-q {
  margin-top: 2.4rem;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  color: var(--ink-dim);
  opacity: 0;
  transform: translateY(0.6rem);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}
.hero-q.show { opacity: 1; transform: none; }

.enter {
  margin-top: 3.5rem;
  opacity: 0;
  transition: opacity var(--slow) var(--ease);
}
.enter.show { opacity: 1; }

.enter a {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
  transition: color var(--slow) var(--ease), border-color var(--slow) var(--ease);
}
.enter a:hover { color: var(--ink); border-color: var(--ink-faint); }

.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
  opacity: 0;
  transition: opacity var(--slower) var(--ease);
}
.scroll-cue.show { opacity: 1; animation: breathe 4s ease-in-out infinite; }

@keyframes breathe { 0%,100% { opacity: 0.35; } 50% { opacity: 0.8; } }

/* ---------- scrollytelling Q&A ---------- */

.qa { text-align: center; }
.qa .line {
  font-size: clamp(1.8rem, 6vw, 4rem);
  line-height: 1.2;
  margin: 0 auto;
  max-width: 22ch;
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity var(--slower) var(--ease), transform var(--slower) var(--ease);
}
.qa .line.q { color: var(--ink-dim); }
.qa .line.a { color: var(--ink); }
.qa .line.a.final {
  font-size: clamp(2.4rem, 9vw, 6rem);
  letter-spacing: 0.02em;
}
.reveal.in .line { opacity: 1; transform: none; }

/* ---------- statement blocks ---------- */

.reveal { opacity: 0; transform: translateY(1.6rem); transition: opacity var(--slower) var(--ease), transform var(--slower) var(--ease); }
.reveal.in { opacity: 1; transform: none; }

.statement h2 {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  max-width: 20ch;
  margin: 0 0 1.8rem;
}

/* ---------- lists / tables as quiet data ---------- */

.stack { list-style: none; margin: 2.5rem 0 0; padding: 0; }
.stack li {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
}
.stack li:last-child { border-bottom: 1px solid var(--line); }
.stack .k { font-size: 1.15rem; }
.stack .v { font-family: var(--sans); font-size: 0.82rem; letter-spacing: 0.02em; color: var(--ink-dim); }
.stack li.void .k { color: var(--ink); }
.stack li.void .v { color: var(--accent); }

/* layer model */
.layers { margin: 2.5rem 0 0; border-top: 1px solid var(--line); }
.layers .layer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--sans);
}
.layers .layer .name { font-family: var(--serif); font-size: 1.2rem; letter-spacing: 0.03em; }
.layers .layer .gloss { font-size: 0.8rem; color: var(--ink-dim); }
.layers .layer.spirit { border-bottom: 1px solid var(--ink-faint); }
.layers .layer.spirit .name { color: var(--accent); }
.layers .layer.spirit .gloss { color: var(--ink); }
.layers .sep { text-align: center; color: var(--ink-faint); font-size: 0.7rem; letter-spacing: 0.3em; padding: 0.6rem 0; }

/* archetype / market grid */
.grid { display: grid; gap: 1px; background: var(--line); margin: 2.75rem 0 0; border: 1px solid var(--line); }
@media (min-width: 720px){ .grid.two { grid-template-columns: 1fr 1fr; } }
.cell { background: var(--ground); padding: 1.9rem clamp(1.2rem, 3vw, 2.2rem); }
.cell h3 { font-size: 1.25rem; margin: 0 0 0.7rem; }
.cell p { font-size: 0.92rem; color: var(--ink-dim); margin: 0; }
.cell .tag { font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); display: block; margin-top: 1rem; }

/* definition split */
.def { margin: 2.5rem 0 0; }
.def h3 { font-size: clamp(1.6rem, 4vw, 2.4rem); letter-spacing: 0.04em; margin: 0 0 1.2rem; }
.def .cols { display: grid; gap: 2rem; }
@media (min-width: 720px){ .def .cols { grid-template-columns: 1fr 1fr; } }
.def .col .label { font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 0.9rem; }
.def .col ul { margin: 0; padding-left: 1.1rem; }
.def .col li { margin: 0.4rem 0; color: var(--ink-dim); font-size: 0.95rem; }
.def .is .li-strong { color: var(--ink); }

/* three tests */
.tests { counter-reset: t; margin: 2.5rem 0 0; }
.test { border-top: 1px solid var(--line); padding: 1.5rem 0; }
.test:last-child { border-bottom: 1px solid var(--line); }
.test .n { counter-increment: t; font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--ink-faint); }
.test .n::before { content: "0" counter(t) "  "; }
.test h3 { font-size: 1.2rem; margin: 0.5rem 0 0.4rem; }
.test p { font-size: 0.9rem; color: var(--ink-dim); margin: 0; }

/* pull quote */
.pull {
  font-size: clamp(1.5rem, 4.4vw, 2.6rem);
  line-height: 1.3;
  max-width: 24ch;
  margin: 0 auto;
  text-align: center;
  color: var(--ink);
}

/* ---------- page hero (interior pages) ---------- */
.page-hero { padding-block: clamp(9rem, 24vh, 16rem) clamp(3rem, 8vh, 6rem); }
.page-hero .eyebrow { margin-bottom: 1.6rem; }
.page-hero h1 { font-size: clamp(2.4rem, 8vw, 5rem); max-width: 16ch; }
.page-hero .lede { margin-top: 2rem; font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--ink-dim); }

/* ---------- close / footer ---------- */
.close { text-align: center; }
.close .kicker { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 2rem; }
.close h2 { font-size: clamp(2rem, 7vw, 4.5rem); margin: 0 0 1.5rem; }
.close .domain { font-family: var(--sans); letter-spacing: 0.14em; color: var(--ink-dim); font-size: 0.95rem; }
.close .sub { margin: 1.2rem auto 0; color: var(--ink-faint); font-size: 0.95rem; max-width: 40ch; }

.pagelinks { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); margin-top: 4rem; }
@media (min-width: 720px){ .pagelinks { grid-template-columns: repeat(2, 1fr); } }
.pagelinks a {
  background: var(--ground);
  padding: 2rem var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  transition: background var(--slow) var(--ease);
}
.pagelinks a:hover { background: var(--ground-2); }
.pagelinks a .t { font-size: 1.2rem; }
.pagelinks a .arrow { font-family: var(--sans); color: var(--ink-faint); font-size: 0.8rem; letter-spacing: 0.2em; }

footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem var(--pad) 3.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
footer a:hover { color: var(--ink-dim); }
footer .v { color: var(--ink-faint); }

/* ---------- journal: index ---------- */
.journal-list { border-top: 1px solid var(--line); margin-top: 3rem; }
.journal-list a {
  display: block;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--slow) var(--ease);
}
.journal-list a:hover { padding-left: 0.8rem; }
.journal-list .n {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.journal-list h2 { font-size: clamp(1.5rem, 4vw, 2.4rem); margin: 0.7rem 0 0.6rem; max-width: 24ch; }
.journal-list .dek { color: var(--ink-dim); font-size: 1rem; max-width: 52ch; margin: 0; }

/* ---------- journal: the essay (long-form reading) ---------- */
.essay-head { padding-block: clamp(9rem, 24vh, 15rem) clamp(2.5rem, 6vh, 4rem); }
.essay-head .eyebrow { margin-bottom: 1.4rem; }
.essay-head h1 {
  font-size: clamp(2.1rem, 6.5vw, 4rem);
  max-width: 20ch;
  line-height: 1.1;
}
.essay-head .byline {
  margin-top: 1.8rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.essay-head .rule { height: 1px; background: var(--line); margin-top: 3rem; }

.prose { max-width: 38rem; font-size: clamp(1.08rem, 1.5vw, 1.24rem); line-height: 1.78; padding-block: clamp(2rem, 5vh, 3.5rem) clamp(5rem, 14vh, 10rem); }
.prose > p { max-width: none; }
.prose > p + p { margin-top: 1.5rem; }
.prose > p:first-of-type { color: var(--ink); }
.prose > p:first-of-type::first-letter {
  font-size: 3.2em;
  float: left;
  line-height: 0.82;
  padding: 0.02em 0.12em 0 0;
  color: var(--accent);
}
.prose em { font-style: italic; color: var(--ink); }
.prose strong { font-weight: 400; color: var(--accent); }
.prose a { border-bottom: 1px solid var(--ink-faint); transition: border-color var(--slow) var(--ease); }
.prose a:hover { border-color: var(--ink); }
.prose hr { border: 0; height: 1px; background: var(--line); margin: 2.5rem 0; }

/* related reading (internal links) */
.related { border-top: 1px solid var(--line); padding-block: clamp(3rem, 8vh, 5rem); }
.related .eyebrow { margin-bottom: 1.5rem; }
.journal-list.compact { margin-top: 0; border-top: 1px solid var(--line); }
.journal-list.compact a { padding: 1.5rem 0; }
.journal-list.compact h3 { font-size: clamp(1.2rem, 2.6vw, 1.6rem); margin: 0.5rem 0 0.4rem; max-width: 26ch; font-weight: 400; letter-spacing: -0.01em; }
.journal-list.compact .dek { font-size: 0.92rem; max-width: 56ch; }
.related-more { margin-top: 2rem; color: var(--ink-dim); font-size: 0.95rem; max-width: 52ch; }
.related-more a { border-bottom: 1px solid var(--ink-faint); }
.related-more a:hover { border-color: var(--ink); color: var(--ink); }

.essay-foot { border-top: 1px solid var(--line); padding-block: 3rem; }
.essay-foot .backlink { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-dim); }
.essay-foot .backlink:hover { color: var(--ink); }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.001ms !important; animation: none !important; }
  .word, .hero-q, .enter, .scroll-cue, .reveal, .qa .line { opacity: 1 !important; transform: none !important; }
  .word { position: static; }
  .word .ltr { transform: none !important; }
  .stage { min-height: 0; }
  /* in reduced motion, only show the final resolved word */
  .word:not(.persist) { display: none; }
}