/* ==========================================================================
   Yimello — site.css
   Static site. No build step. Edit directly.
   Palette derives from the brand mark: azure #4A9ADE + lemon #FFD23F on ink.
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */

:root {
  /* Colour */
  --ink:        #0A1020;
  --ink-2:      #111A2B;
  --ink-3:      #1A2540;
  --azure:      #4A9ADE;
  --azure-dim:  #2C6FA8;
  --azure-soft: rgba(74, 154, 222, 0.14);
  --zest:       #FFD23F;
  --zest-dim:   #C79E17;
  --alert:      #FF5C4D;
  --paper:      #EEF3F8;
  --paper-2:    #E1E9F3;

  --on-ink:      #F2F6FB;
  --on-ink-mute: #93A6C2;
  --on-paper:      #0A1020;
  --on-paper-mute: #4F5F78;

  /* Type */
  --font-display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;

  --fs-display: clamp(2.9rem, 7.4vw, 6.4rem);
  --fs-h1:      clamp(2.2rem, 5vw, 3.9rem);
  --fs-h2:      clamp(1.7rem, 3.4vw, 2.6rem);
  --fs-h3:      clamp(1.15rem, 1.6vw, 1.4rem);
  --fs-body:    1.0625rem;
  --fs-sm:      0.9375rem;
  --fs-mono:    0.8125rem;

  /* Space */
  --s1: 0.25rem;  --s2: 0.5rem;   --s3: 0.75rem;  --s4: 1rem;
  --s5: 1.5rem;   --s6: 2rem;     --s7: 3rem;     --s8: 4rem;
  --s9: 6rem;     --s10: 8rem;

  --wrap: 1240px;
  --wrap-narrow: 720px;
  --radius: 4px;
  --hair: 1px solid var(--ink-3);

  --ease-spring: cubic-bezier(0.22, 1.2, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Reset -------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--on-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; line-height: 1.05; font-weight: 600; }
p { margin: 0 0 var(--s4); }
ul, ol { margin: 0 0 var(--s4); padding-left: 1.2em; }
li { margin-bottom: var(--s2); }
a { color: inherit; }
button { font: inherit; }

:focus-visible {
  outline: 3px solid var(--zest);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Native cross-document transitions where supported. Harmless elsewhere. */
@view-transition { navigation: auto; }

/* --- Utilities ---------------------------------------------------------- */

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.5rem, var(--wrap-narrow)); margin-inline: auto; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--azure);
  margin: 0 0 var(--s4);
  display: flex;
  align-items: center;
  gap: var(--s3);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--azure);
  flex: none;
}

.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.94;
}

h1, h2 { font-family: var(--font-display); letter-spacing: -0.03em; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-family: var(--font-body); letter-spacing: -0.01em; }

.lede { font-size: clamp(1.1rem, 1.5vw, 1.3rem); line-height: 1.55; max-width: 62ch; }
.muted { color: var(--on-ink-mute); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Bands (dark / light rhythm) ---------------------------------------- */

.band { padding: var(--s9) 0; position: relative; }
.band--tight { padding: var(--s8) 0; }
.band--ink { background: var(--ink); color: var(--on-ink); }
.band--surface { background: var(--ink-2); color: var(--on-ink); }
.band--paper { background: var(--paper); color: var(--on-paper); }
.band--paper .muted { color: var(--on-paper-mute); }
.band--paper .eyebrow { color: var(--azure-dim); }
.band--paper .eyebrow::before { background: var(--azure-dim); }

/* Scanline texture — broadcast monitor feel, ~0 cost. */
.scan::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0 1px,
    transparent 1px 3px
  );
  z-index: 0;
}
.band > .wrap, .band > .wrap-narrow { position: relative; z-index: 1; }

/* --- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: 0.85rem 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.18s var(--ease-out), background-color 0.18s, border-color 0.18s, color 0.18s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--zest { background: var(--zest); color: #0A1020; font-weight: 600; }
.btn--zest:hover { background: #FFDE6B; }

.btn--ghost { border-color: var(--ink-3); color: var(--on-ink); background: transparent; }
.btn--ghost:hover { border-color: var(--azure); color: var(--azure); }
.band--paper .btn--ghost { border-color: #C3D0E0; color: var(--on-paper); }
.band--paper .btn--ghost:hover { border-color: var(--azure-dim); color: var(--azure-dim); }

.btn--lg { padding: 1.05rem 2rem; font-size: 0.875rem; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--azure);
  border-bottom: 1px solid transparent;
  transition: gap 0.2s var(--ease-out), border-color 0.2s;
}
.link-arrow:hover { gap: 0.85rem; border-color: currentColor; }
.band--paper .link-arrow { color: var(--azure-dim); }

/* --- Header ------------------------------------------------------------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 16, 32, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: var(--hair);
}
.site-head__inner {
  display: flex;
  align-items: center;
  gap: var(--s5);
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex: none;
}
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--on-ink);
}
.brand__name span { display: inline-block; }

.site-nav { margin-left: auto; }
.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--s5);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav li { margin: 0; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--on-ink-mute);
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--on-ink); }
.site-nav a[aria-current='page'] { color: var(--zest); border-color: var(--zest); }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: var(--hair);
  border-radius: var(--radius);
  color: var(--on-ink);
  padding: 0.55rem 0.7rem;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 1080px) {
  .site-nav {
    position: fixed;
    inset: 68px 0 auto 0;
    background: var(--ink-2);
    border-bottom: var(--hair);
    padding: var(--s5) 1.25rem var(--s6);
    display: none;
  }
  .site-nav[data-open='true'] { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-bottom: var(--hair); }
  .site-nav a { display: block; padding: 0.9rem 0; font-size: 0.875rem; }
  .nav-toggle { display: block; }
  .site-head .btn { display: none; }
}

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(3rem, 5vw, 4.5rem);
  overflow: hidden;
}
.hero::after {
  /* static signal grain — no animation, negligible cost */
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--s8);
  align-items: center;
}
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--s7); }
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s6); }

/* Word-by-word width flare on load (Bricolage variable wdth axis) */
.flare span {
  display: inline-block;
  font-variation-settings: 'wdth' 100;
}
.js-anim .flare span {
  font-variation-settings: 'wdth' 76;
  opacity: 0;
  transform: translateY(0.16em);
}
.js-anim .flare.is-live span {
  opacity: 1;
  transform: none;
  font-variation-settings: 'wdth' 100;
  transition:
    font-variation-settings 0.75s var(--ease-out),
    opacity 0.4s ease-out,
    transform 0.6s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 46ms);
}

/* --- Stat row ----------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--ink-3);
  border: var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--ink); padding: var(--s5); }
.band--surface .stat { background: var(--ink-2); }
.stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 600;
  color: var(--zest);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink-mute);
  margin: var(--s2) 0 0;
}

/* --- Token meter (signature) -------------------------------------------- */

.meter {
  background: var(--ink-2);
  border: var(--hair);
  border-radius: var(--radius);
  padding: var(--s6) var(--s5) var(--s5);
  position: relative;
}
.meter__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink-mute);
  margin-bottom: var(--s5);
}
.meter__live { color: var(--azure); display: inline-flex; align-items: center; gap: 0.45rem; }
.meter__live::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--azure);
  box-shadow: 0 0 0 0 rgba(74, 154, 222, 0.55);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(74, 154, 222, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 154, 222, 0); }
}

.meter__stage { position: relative; padding-bottom: 2.4rem; }

.meter__track {
  display: flex;
  gap: var(--seg-gap, 3px);
  height: 74px;
  align-items: flex-end;
}
@media (max-width: 720px) { .meter__track { gap: 1px; } }
/* Segments rise left to right, so a small selection still reads as a shape
   rather than a stub at the edge of a long empty bar. */
.meter__seg {
  flex: 1;
  min-width: 1px;
  height: calc(var(--h, 60) * 0.6%);
  background: var(--ink-3);
  border-radius: 1px;
  transition: height 0.32s var(--ease-spring), background-color 0.2s ease;
}
.meter__seg.is-on {
  background: var(--azure);
  height: calc(var(--h, 60) * 1%);
}
.meter__seg.is-edge { background: var(--zest); }

.meter__input {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 74px;
  margin: 0;
  opacity: 0;
  cursor: grab;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}
.meter__input:active { cursor: grabbing; }
.meter__input::-webkit-slider-thumb { -webkit-appearance: none; width: 44px; height: 74px; }
.meter__input::-moz-range-thumb { width: 44px; height: 74px; border: 0; }
.meter__input:focus-visible + .meter__handle .handle__dot {
  outline: 3px solid var(--zest);
  outline-offset: 4px;
}

.meter__handle {
  position: absolute;
  top: 74px;
  left: 0;
  transform: translateX(-50%);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: left 0.28s var(--ease-spring);
}
.handle__stem { width: 2px; height: 10px; background: var(--zest); }
.handle__dot { width: 34px; height: 34px; filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45)); }

.meter__readout {
  margin: var(--s5) 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  color: var(--on-ink);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.meter__readout b { color: var(--zest); font-weight: 600; }
.meter__note {
  margin: var(--s2) 0 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-ink-mute);
}

/* --- Price ladder ------------------------------------------------------- */

.ladder { border-top: var(--hair); }
.ladder__row {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) 2fr minmax(120px, auto);
  gap: var(--s5);
  align-items: center;
  padding: var(--s5) 0;
  border-bottom: var(--hair);
  position: relative;
}
.band--paper .ladder, .band--paper .ladder__row { border-color: #CFDAE7; }
.ladder__name { font-weight: 600; font-size: 1.05rem; }
.ladder__desc { color: var(--on-ink-mute); font-size: var(--fs-sm); margin: 0; }
.band--paper .ladder__desc { color: var(--on-paper-mute); }
.ladder__price {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.ladder__price small { font-size: 0.6em; color: var(--on-ink-mute); font-weight: 400; }
.band--paper .ladder__price small { color: var(--on-paper-mute); }
.ladder__bar {
  grid-column: 1 / -1;
  height: 3px;
  background: var(--azure);
  border-radius: 2px;
  width: 0;
  opacity: 0.55;
  transition: width 1s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 110ms);
}
.is-revealed .ladder__bar { width: var(--w, 50%); }
.band--paper .ladder__bar { background: var(--azure-dim); opacity: 0.8; }
.ladder__row--feature .ladder__bar { background: var(--zest); opacity: 1; }
.ladder__row--feature .ladder__price { color: var(--zest); }
.band--paper .ladder__row--feature .ladder__price { color: var(--zest-dim); }

@media (max-width: 720px) {
  .ladder__row { grid-template-columns: 1fr auto; }
  .ladder__desc { grid-column: 1 / -1; }
}

/* --- Panel (rate card in the hero) -------------------------------------- */

.panel {
  background: var(--ink-2);
  border: var(--hair);
  border-radius: var(--radius);
  padding: var(--s5) var(--s6) var(--s6);
}
.panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s4);
  padding-bottom: var(--s4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink-mute);
}
.panel__foot { margin: var(--s4) 0 0; color: var(--on-ink-mute); font-size: 0.6875rem; }

.ladder--compact .ladder__row {
  grid-template-columns: 1fr auto;
  padding: var(--s4) 0;
  gap: var(--s3) var(--s4);
}
.ladder--compact .ladder__name { font-size: 0.98rem; font-weight: 500; }
.ladder--compact .ladder__price { font-size: 1.35rem; }

/* --- CTA row ------------------------------------------------------------ */

.cta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s6);
  flex-wrap: wrap;
}

/* --- Cards -------------------------------------------------------------- */

/* Explicit tracks: auto-fit turned a four-card row into 3 + 1. */
.grid { display: grid; gap: var(--s5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 940px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* Cards stay dark on every band: the contrast reads as instrument panel,
   not as a stack of white boxes. */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, #131E33 0%, var(--ink-2) 58%);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius);
  padding: var(--s6);
  color: var(--on-ink);
  overflow: hidden;
  transition:
    border-color 0.25s,
    transform 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}
/* Accent rail — grows across the top edge on hover. */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 2px;
  width: 44px;
  background: var(--azure);
  transition: width 0.45s var(--ease-out);
  z-index: 2;
}
/* Same raster as the dark bands, so panels feel like one material. */
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.022) 0 1px,
    transparent 1px 3px
  );
}
.card > * { position: relative; z-index: 1; }
.card:hover {
  border-color: var(--azure-dim);
  transform: translateY(-4px);
  box-shadow: 0 22px 48px -28px rgba(0, 0, 0, 0.95);
}
.card:hover::before { width: 100%; }

/* Dark cards keep their own text colours inside light bands. */
.band--paper .card { background: linear-gradient(160deg, #131E33 0%, var(--ink-2) 58%); border-color: var(--ink-3); }
.band--paper .card .muted { color: var(--on-ink-mute); }
.band--paper .card .card__k { color: var(--azure); }
.band--paper .card .card__price { color: var(--zest); }
.band--paper .card .link-arrow { color: var(--azure); }
.band--paper .card strong { color: var(--on-ink); }

.card__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--azure);
  margin: 0 0 var(--s4);
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--ink-3);
  display: flex;
  justify-content: space-between;
  gap: var(--s3);
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--s3);
}
.card p:last-child { margin-bottom: 0; }
.card ul { margin-bottom: 0; padding-left: 1.1em; }
.card ul li::marker { color: var(--azure); }

.card__price {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--zest);
  margin: auto 0 0;
  padding-top: var(--s4);
  font-variant-numeric: tabular-nums;
}
.card__price span { color: var(--on-ink-mute); }

/* Feature card: lemon rail, always full width. */
.card--feature { border-color: var(--zest-dim); }
.card--feature::before { background: var(--zest); width: 100%; }

a.card { text-decoration: none; }
a.card .card__go {
  margin-top: var(--s5);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--azure);
  display: inline-flex;
  gap: var(--s2);
  transition: gap 0.25s var(--ease-out);
}
a.card:hover .card__go { gap: 0.85rem; }

/* --- Case rows ---------------------------------------------------------- */

.case-row {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: var(--s8);
  align-items: center;
}
.case-row--flip > *:first-child { order: 2; }
@media (max-width: 900px) {
  .case-row { grid-template-columns: 1fr; gap: var(--s6); }
  .case-row--flip > *:first-child { order: 0; }
}

.rule { border: 0; border-top: 1px solid #CFDAE7; margin: var(--s9) 0; }
.band--ink .rule, .band--surface .rule { border-color: var(--ink-3); }

.schematic-wrap { min-width: 0; }

/* --- Steps (ordered, because sequence is real information) -------------- */

.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: var(--s4);
  padding: var(--s5) 0;
  border-bottom: var(--hair);
  margin: 0;
}
.band--paper .steps li { border-color: #CFDAE7; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--azure);
  padding-top: 0.35rem;
}
.band--paper .steps li::before { color: var(--azure-dim); }
.steps h3 { margin-bottom: var(--s2); }
.steps p { margin-bottom: 0; }
.steps .step__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--zest);
  margin-top: var(--s2);
}
.band--paper .steps .step__meta { color: var(--zest-dim); }

/* --- Timeline (token journey) -------------------------------------------
   A line with stations on it, not a row of boxes. No numbering: the line
   already carries the order. */

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: linear-gradient(90deg, var(--azure) 0%, var(--azure) 68%, var(--zest) 100%);
  opacity: 0.45;
}
.timeline li {
  position: relative;
  margin: 0;
  padding: calc(var(--s6) + 4px) var(--s5) 0 0;
}
.timeline li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--azure);
  box-shadow: 0 0 0 5px var(--paper);
}
.band--ink .timeline li::before, .band--surface .timeline li::before {
  background: var(--ink);
  box-shadow: 0 0 0 5px var(--ink);
}
.timeline li:last-child::before {
  border-color: var(--zest-dim);
  background: var(--zest);
}
.timeline strong {
  display: block;
  margin-bottom: var(--s2);
  font-size: 1.05rem;
}
.timeline span {
  color: var(--on-paper-mute);
  font-size: var(--fs-sm);
  display: block;
  max-width: 34ch;
}
.band--ink .timeline span, .band--surface .timeline span { color: var(--on-ink-mute); }
.timeline li:last-child strong { color: var(--zest-dim); }
.band--ink .timeline li:last-child strong { color: var(--zest); }

@media (max-width: 780px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline::before {
    top: 8px;
    bottom: 8px;
    left: 8px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--azure) 0%, var(--azure) 68%, var(--zest) 100%);
  }
  .timeline li { padding: 0 0 var(--s6) calc(var(--s6) + 4px); }
  .timeline li:last-child { padding-bottom: 0; }
}

/* --- Documentation pack ------------------------------------------------- */

.doc-pack {
  background: linear-gradient(160deg, #131E33 0%, var(--ink-2) 58%);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius);
  padding: var(--s6);
  color: var(--on-ink);
}
.doc-pack h3 {
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--s5);
}
.doc-pack ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0 var(--s7);
}
.doc-pack li {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: var(--s3);
  margin: 0;
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--ink-3);
}
.doc-pack li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--azure);
  margin-top: 0.6rem;
}
.doc-pack strong { display: block; }
/* Third grid item would wrap into the 8px bullet column otherwise. */
.doc-pack span {
  grid-column: 2;
  color: var(--on-ink-mute);
  font-size: var(--fs-sm);
  line-height: 1.45;
}

/* --- Callout / warning -------------------------------------------------- */

.callout {
  border: 1px solid var(--ink-3);
  border-left: 3px solid var(--azure);
  border-radius: var(--radius);
  padding: var(--s5) var(--s6);
  background: var(--ink-2);
}
.band--paper .callout { background: #fff; border-color: #D5DFEC; border-left-color: var(--azure-dim); }
.callout h3 { margin-bottom: var(--s3); }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }

.callout--alert {
  border-left-color: var(--alert);
  background: linear-gradient(90deg, rgba(255, 92, 77, 0.09), transparent 60%), var(--ink-2);
}
.callout--alert h3 { color: var(--alert); }
.band--paper .callout--alert {
  background: linear-gradient(90deg, rgba(255, 92, 77, 0.08), transparent 60%), #fff;
}

/* --- Schematic diagrams (drawn on scroll) ------------------------------- */

.schematic { width: 100%; height: auto; }
/* Presentation attributes lose to CSS, so the lines can darken on light bands. */
.band--paper .schematic g[stroke] { stroke: var(--azure-dim); opacity: 0.9; }
.schematic .s-line {
  stroke-dasharray: var(--len, 400);
  stroke-dashoffset: var(--len, 400);
  transition: stroke-dashoffset 1.1s var(--ease-out);
}
.is-revealed .schematic .s-line { stroke-dashoffset: 0; }
.schematic .s-node {
  opacity: 0;
  transition: opacity 0.5s ease-out;
  transition-delay: calc(var(--i, 0) * 90ms + 240ms);
}
.is-revealed .schematic .s-node { opacity: 1; }

/* --- Reveal on scroll --------------------------------------------------- */

.js-anim .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease-out), transform 0.7s var(--ease-out);
}
.js-anim .reveal.is-revealed { opacity: 1; transform: none; }

/* --- FAQ ---------------------------------------------------------------- */

.faq { border-bottom: 1px solid #CFDAE7; padding: var(--s4) 0; }
.band--ink .faq, .band--surface .faq { border-color: var(--ink-3); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s4);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--azure-dim);
  flex: none;
}
.band--ink .faq summary::after, .band--surface .faq summary::after { color: var(--azure); }
.faq[open] summary::after { content: '\2212'; }
.faq p { margin: var(--s3) 0 0; max-width: 68ch; }

/* --- Colour bars (404) -------------------------------------------------- */

.bars {
  display: flex;
  height: 56px;
  max-width: 520px;
  margin: var(--s7) 0;
  border-radius: var(--radius);
  overflow: hidden;
}
.bars span { flex: 1; }

/* --- Forms -------------------------------------------------------------- */

.form { display: grid; gap: var(--s5); }
.form fieldset {
  border: var(--hair);
  border-radius: var(--radius);
  padding: var(--s6);
  margin: 0;
  background: var(--ink-2);
}
.band--paper .form fieldset { background: #fff; border-color: #D5DFEC; }
.form legend {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--azure);
  padding: 0 var(--s3);
  margin-left: -0.4rem;
}
.band--paper .form legend { color: var(--azure-dim); }

.field { display: grid; gap: 0.4rem; margin-bottom: var(--s4); }
.field:last-child { margin-bottom: 0; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-ink-mute);
}
.band--paper .field label { color: var(--on-paper-mute); }
.field .hint { font-size: var(--fs-sm); color: var(--on-ink-mute); margin: 0; }
.band--paper .field .hint { color: var(--on-paper-mute); }

.field input[type='text'],
.field input[type='email'],
.field input[type='tel'],
.field input[type='number'],
.field select,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  background: var(--ink);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius);
  color: var(--on-ink);
  font: inherit;
  transition: border-color 0.18s;
}
.band--paper .field input, .band--paper .field select, .band--paper .field textarea {
  background: var(--paper);
  border-color: #C3D0E0;
  color: var(--on-paper);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--azure); }
.field textarea { min-height: 120px; resize: vertical; }
.field--row { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--s4); display: grid; }

.check {
  display: flex;
  gap: var(--s3);
  align-items: flex-start;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--ink-3);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.18s, background-color 0.18s;
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.45;
}
.band--paper .check { border-color: #C3D0E0; }
.check:hover { border-color: var(--azure); }
.check input { margin: 0.25rem 0 0; accent-color: var(--zest); flex: none; width: 17px; height: 17px; }
.check:has(input:checked) { border-color: var(--azure); background: var(--azure-soft); }
.check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: var(--s3); }

.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form__status { margin: 0; font-size: var(--fs-sm); min-height: 1.4em; }
.form__status[data-state='error'] { color: var(--alert); }
.form__status[data-state='ok'] { color: var(--azure); }

.stepper { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.stepper button {
  width: 44px; height: 44px;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--radius);
  color: var(--on-ink);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s;
}
.stepper button:hover { border-color: var(--zest); color: var(--zest); }
.stepper input {
  width: 74px;
  padding-inline: 0.35rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}
.presets { display: flex; gap: var(--s2); flex-wrap: wrap; }
.presets button {
  padding: 0.5rem 0.85rem;
  background: transparent;
  border: 1px solid var(--ink-3);
  border-radius: var(--radius);
  color: var(--on-ink-mute);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s;
}
.presets button:hover, .presets button[aria-pressed='true'] { border-color: var(--zest); color: var(--zest); }

.total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s4);
  padding: var(--s5) 0 0;
  margin-top: var(--s5);
  border-top: var(--hair);
  flex-wrap: wrap;
}
.total__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink-mute);
}
.total__value {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--zest);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* Progressive disclosure — only when JS can open it again. */
.js .gated { display: none; }
.js .gated.is-open { display: block; animation: slideIn 0.45s var(--ease-out); }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* --- Dialog (terms) ----------------------------------------------------- */

dialog {
  width: min(100% - 2rem, 780px);
  max-height: 85vh;
  padding: 0;
  border: var(--hair);
  border-radius: var(--radius);
  background: var(--ink-2);
  color: var(--on-ink);
}
dialog::backdrop { background: rgba(5, 8, 16, 0.78); backdrop-filter: blur(3px); }
.dialog__head {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s4);
  padding: var(--s5) var(--s6);
  background: var(--ink-2);
  border-bottom: var(--hair);
}
.dialog__body { padding: var(--s6); font-size: var(--fs-sm); }
.dialog__body h3 { margin: var(--s5) 0 var(--s2); }
.dialog__body h3:first-child { margin-top: 0; }
.dialog__close {
  background: transparent;
  border: var(--hair);
  border-radius: var(--radius);
  color: var(--on-ink);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
}
.dialog__close:hover { border-color: var(--alert); color: var(--alert); }

/* --- Prose (legal pages) ------------------------------------------------ */

.prose h2 { margin: var(--s8) 0 var(--s4); }
.prose h3 { margin: var(--s6) 0 var(--s3); }
.prose p, .prose li { max-width: 70ch; }
.prose dl { display: grid; grid-template-columns: minmax(160px, auto) 1fr; gap: var(--s3) var(--s5); margin: 0 0 var(--s5); }
.prose dt { font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-paper-mute); padding-top: 0.2rem; }
.prose dd { margin: 0; }
@media (max-width: 620px) { .prose dl { grid-template-columns: 1fr; gap: var(--s1) var(--s3); } }

/* --- Footer ------------------------------------------------------------- */

.site-foot {
  background: var(--ink);
  border-top: var(--hair);
  padding: var(--s8) 0 var(--s6);
  color: var(--on-ink-mute);
  font-size: var(--fs-sm);
}
.foot__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(140px, 1fr));
  gap: var(--s6);
  padding-bottom: var(--s7);
  border-bottom: var(--hair);
}
@media (max-width: 860px) { .foot__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot__grid { grid-template-columns: 1fr; gap: var(--s5); } }
.foot__grid h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink);
  margin-bottom: var(--s4);
}
.foot__grid ul { list-style: none; padding: 0; margin: 0; }
.foot__grid li { margin-bottom: var(--s3); }
.foot__grid a { text-decoration: none; transition: color 0.18s; }
.foot__grid a:hover { color: var(--zest); }
.foot__bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--s4);
  flex-wrap: wrap;
  padding-top: var(--s5);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Page head ---------------------------------------------------------- */

.page-head { padding: var(--s8) 0 var(--s7); border-bottom: var(--hair); position: relative; }
.page-head .lede { margin-top: var(--s5); }

/* --- Motion preferences ------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
  }
  .js-anim .reveal { opacity: 1; transform: none; }
  .js-anim .flare span { opacity: 1; transform: none; font-variation-settings: 'wdth' 100; }
  .is-revealed .schematic .s-line, .schematic .s-line { stroke-dashoffset: 0; }
  .schematic .s-node { opacity: 1; }
}

/* --- Print -------------------------------------------------------------- */

@media print {
  .site-head, .site-foot, .btn, .meter { display: none; }
  body { background: #fff; color: #000; }
}