/* ============================================================================
   tokenomics — documentation page
   Direction: financial terminal × editorial ledger.
   Warm-espresso dark theme; amber/gold = money (semantic), green/teal/red carry
   the tool's real context tiers. Fraunces (display + prose) + JetBrains Mono.
   ========================================================================== */

/* ---- design tokens ------------------------------------------------------- */
:root {
  /* surfaces — warm near-black, not pure black */
  --ink:        oklch(16% 0.012 60);
  --ink-raise:  oklch(20% 0.014 60);
  --ink-card:   oklch(23% 0.016 62);
  --line:       oklch(33% 0.012 60);
  --line-soft:  oklch(27% 0.010 60);

  /* ink on paper */
  --cream:      oklch(94% 0.012 85);
  --muted:      oklch(74% 0.012 80);
  --faint:      oklch(58% 0.010 75);

  /* semantics — these mirror the plugin's own colour language */
  --gold:       oklch(83% 0.130 78);   /* money / cost / value */
  --gold-deep:  oklch(72% 0.140 64);
  --green:      oklch(80% 0.140 160);  /* healthy / saved */
  --teal:       oklch(82% 0.100 205);  /* watch */
  --amberwarn:  oklch(80% 0.130 70);   /* tight */
  --red:        oklch(68% 0.175 25);   /* critical */

  /* type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --text-kicker: clamp(0.7rem, 0.66rem + 0.2vw, 0.8rem);
  --text-body:   clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
  --text-lead:   clamp(1.2rem, 1rem + 0.9vw, 1.6rem);
  --text-h2:     clamp(1.9rem, 1.3rem + 2.6vw, 3.4rem);
  --text-h3:     clamp(1.2rem, 1rem + 0.9vw, 1.6rem);
  --text-hero:   clamp(3.2rem, 1rem + 10vw, 9rem);

  /* space */
  --space-section: clamp(4.5rem, 3rem + 7vw, 9rem);
  --gutter: clamp(1.25rem, 0.5rem + 3vw, 4rem);
  --measure: 64ch;

  /* motion */
  --dur-fast: 160ms;
  --dur: 320ms;
  --dur-slow: 720ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --radius: 14px;
  --radius-sm: 8px;
}

/* ---- reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--cream);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--gold); color: var(--ink); }

/* ---- atmosphere: ledger grid + grain + warm glow ------------------------- */
body::before { /* faint ledger grid */
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: clamp(48px, 8vw, 96px) clamp(48px, 8vw, 96px);
  opacity: 0.32;
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, #000 35%, transparent 80%);
  pointer-events: none; z-index: 0;
}
body::after { /* grain overlay */
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.035; mix-blend-mode: screen;
  pointer-events: none; z-index: 1;
}
.glow {
  position: fixed; z-index: 0; pointer-events: none;
  top: -30vh; left: 50%; translate: -50% 0;
  width: min(100vw, 1000px); height: 80vh;
  background: radial-gradient(closest-side, oklch(72% 0.14 64 / 0.22), transparent 70%);
  filter: blur(10px);
}

/* ---- layout -------------------------------------------------------------- */
.wrap { width: min(1180px, 100% - 2 * var(--gutter)); margin-inline: auto; position: relative; z-index: 2; }
main { position: relative; z-index: 2; }
section { padding-block: var(--space-section); position: relative; }
.rule { border: 0; border-top: 1px solid var(--line); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--gold); color: var(--ink); padding: 0.6rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
  font-family: var(--font-mono); font-size: 0.8rem; z-index: 99;
}
.skip:focus { left: 0; }

/* section eyebrow numbers (editorial) */
.eyebrow {
  display: flex; align-items: baseline; gap: 0.9rem;
  font-family: var(--font-mono); font-size: var(--text-kicker);
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint);
  margin-bottom: 1.6rem;
}
.eyebrow b { color: var(--gold); font-weight: 500; }
.eyebrow .bar { flex: 1; height: 1px; background: var(--line); translate: 0 -0.3em; }

h1, h2, h3 { font-weight: 460; line-height: 1.02; letter-spacing: -0.015em; }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); letter-spacing: -0.01em; }
.lead { font-size: var(--text-lead); color: var(--muted); max-width: var(--measure); line-height: 1.4; }
p { max-width: var(--measure); color: var(--muted); }
strong { color: var(--cream); font-weight: 560; }
.mono { font-family: var(--font-mono); }
.tnum { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---- top nav ------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--gutter);
  backdrop-filter: blur(10px);
  background: oklch(16% 0.012 60 / 0.6);
  border-bottom: 1px solid var(--line-soft);
}
.brand { font-family: var(--font-mono); font-weight: 700; letter-spacing: -0.02em; font-size: 1.05rem; }
.brand b { color: var(--gold); }
.nav-links { display: flex; gap: clamp(0.8rem, 2vw, 1.8rem); align-items: center; font-family: var(--font-mono); font-size: 0.82rem; }
.nav-links a { color: var(--muted); transition: color var(--dur-fast) var(--ease); }
.nav-links a:hover { color: var(--cream); }
.nav-links .ghub { color: var(--gold); }
@media (max-width: 640px) { .nav-links .hide-sm { display: none; } }

/* ---- hero ---------------------------------------------------------------- */
.hero { padding-top: clamp(3rem, 6vw, 6rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.hero-kicker {
  font-family: var(--font-mono); font-size: var(--text-kicker);
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: var(--text-hero); line-height: 0.92; letter-spacing: -0.04em; font-weight: 420;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
}
.hero h1 .cur { color: var(--gold); font-variation-settings: "opsz" 144, "WONK" 1; }
.hero-tag {
  margin-top: 1.6rem; font-size: var(--text-lead); color: var(--cream);
  max-width: 30ch; line-height: 1.3;
}
.hero-sub { margin-top: 1rem; color: var(--muted); max-width: 54ch; }
.hero-cta { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 0.9rem 1.2rem; align-items: center; }

/* copy / install chip */
.cmd {
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-family: var(--font-mono); font-size: 0.9rem;
  background: var(--ink-card); border: 1px solid var(--line);
  padding: 0.7rem 0.7rem 0.7rem 1rem; border-radius: var(--radius-sm);
  color: var(--cream); cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.cmd:hover { border-color: var(--gold-deep); transform: translateY(-1px); }
.cmd .prompt { color: var(--gold); }
.cmd .copy {
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint);
  border: 1px solid var(--line); border-radius: 5px; padding: 0.25rem 0.5rem;
}
.cmd.copied .copy { color: var(--green); border-color: var(--green); }

.btn {
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.02em;
  padding: 0.75rem 1.3rem; border-radius: var(--radius-sm);
  border: 1px solid var(--gold); color: var(--ink); background: var(--gold);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -12px var(--gold-deep); }
.btn.ghost { background: transparent; color: var(--cream); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--cream); box-shadow: none; }

/* hero stats ribbon */
.stats { display: flex; flex-wrap: wrap; gap: clamp(1.2rem, 4vw, 3.2rem); margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.stat .n { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: clamp(1.5rem, 1rem + 1.6vw, 2.2rem); color: var(--gold); letter-spacing: -0.02em; }
.stat .l { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-top: 0.2rem; }

/* ---- terminal card ------------------------------------------------------- */
.terminal {
  background: oklch(14% 0.012 60);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 40px 80px -40px #000, 0 0 0 1px oklch(40% 0.02 60 / 0.3) inset;
  overflow: hidden;
  font-family: var(--font-mono);
}
.terminal-bar { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--line-soft); background: oklch(18% 0.012 60); }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.dot.r { background: oklch(62% 0.16 25); } .dot.y { background: var(--amberwarn); } .dot.g { background: var(--green); }
.terminal-title { margin-left: 0.6rem; font-size: 0.74rem; color: var(--faint); letter-spacing: 0.04em; }
.terminal pre {
  margin: 0; padding: clamp(1rem, 3vw, 1.8rem);
  font-size: clamp(0.7rem, 0.6rem + 0.4vw, 0.84rem); line-height: 1.65;
  white-space: pre; overflow-x: auto; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.terminal pre::-webkit-scrollbar { height: 8px; }
.terminal pre::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.t-head { color: var(--cream); font-weight: 700; }
.t-gold { color: var(--gold); } .t-green { color: var(--green); } .t-red { color: var(--red); }
.t-amber { color: var(--amberwarn); } .t-teal { color: var(--teal); } .t-faint { color: var(--faint); }
.t-rule { color: var(--line); }

/* ---- generic split grid -------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
/* grid children must be allowed to shrink, else a wide child (the terminal) blows
   the track past the viewport and sibling text gets clipped. */
.split > * { min-width: 0; }
@media (min-width: 880px) { .split.h2-12 { grid-template-columns: 0.85fr 1.15fr; } .split.h2-21 { grid-template-columns: 1.15fr 0.85fr; } }

/* ---- command ledger ------------------------------------------------------ */
.cmds { margin-top: 2.4rem; border-top: 1px solid var(--line); }
.cmd-row {
  display: grid; grid-template-columns: minmax(8rem, 13rem) 1fr; gap: 1rem 1.6rem;
  align-items: baseline; padding: 1.1rem 0.4rem; border-bottom: 1px solid var(--line-soft);
  transition: background var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}
.cmd-row:hover { background: oklch(22% 0.014 62 / 0.5); padding-left: 1rem; }
.cmd-row code { font-family: var(--font-mono); font-size: 0.92rem; color: var(--gold); }
.cmd-row p { color: var(--muted); max-width: 60ch; margin: 0; }
@media (max-width: 620px) { .cmd-row { grid-template-columns: 1fr; gap: 0.35rem; } }

/* ---- feature / honesty cards --------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1.2rem; margin-top: 2.4rem; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
  background: linear-gradient(180deg, oklch(22% 0.014 62 / 0.5), transparent);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover { border-color: var(--line); transform: translateY(-3px); }
.card .ix { font-family: var(--font-mono); font-size: 0.74rem; color: var(--gold); letter-spacing: 0.1em; }
.card h3 { margin-top: 0.8rem; font-size: 1.3rem; }
.card p { margin-top: 0.6rem; font-size: 0.98rem; }
.card.no { background: linear-gradient(180deg, oklch(24% 0.03 25 / 0.18), transparent); }
.card.no .ix { color: var(--red); }

/* ---- pricing ledger ------------------------------------------------------ */
.ledger { margin-top: 2rem; font-family: var(--font-mono); }
.ledger-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 0.9rem 0.2rem; border-bottom: 1px solid var(--line-soft); align-items: center; }
.ledger-row .k { color: var(--muted); font-size: 0.92rem; }
.ledger-row .v { color: var(--gold); font-variant-numeric: tabular-nums; }
.ledger-row .v.src { color: var(--faint); font-size: 0.82rem; }

/* tier chips */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.4rem; }
.chip { display: inline-flex; align-items: center; gap: 0.45rem; font-family: var(--font-mono); font-size: 0.74rem; padding: 0.3rem 0.7rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.chip .d { width: 8px; height: 8px; border-radius: 50%; }
.chip.ok .d { background: var(--green); } .chip.watch .d { background: var(--teal); }
.chip.tight .d { background: var(--amberwarn); } .chip.crit .d { background: var(--red); }

/* ---- footer -------------------------------------------------------------- */
.foot { padding-block: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--line); }
.foot-grid { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-end; }
.foot .big { font-family: var(--font-display); font-size: clamp(2rem, 1rem + 5vw, 4rem); letter-spacing: -0.03em; font-variation-settings: "opsz" 80, "WONK" 1; }
.foot .big .cur { color: var(--gold); }
.foot-meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--faint); text-align: right; line-height: 1.9; }
.foot-meta a { color: var(--muted); } .foot-meta a:hover { color: var(--gold); }

/* ---- reveal animation ----------------------------------------------------
   Progressive enhancement: the hidden state only applies when JS is present
   (html.js is set by an inline head script before paint). No JS -> everything
   is visible. The observer in site.js adds .in as elements scroll into view. */
.reveal { transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
html.js .reveal { opacity: 0; transform: translateY(18px); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 80ms; }
.reveal[data-d="2"] { transition-delay: 160ms; }
.reveal[data-d="3"] { transition-delay: 240ms; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; }
  .reveal { transition: none; }
}

/* ---- focus ring ---------------------------------------------------------- */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 3px; }