/* ==========================================================================
   Commerce Wright — layout & components
   Reads top to bottom in the same order as index.html.
   ========================================================================== */

/* --- reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* `clip`, not `hidden`: overflow-x:hidden turns body into a scroll container,
     which breaks position:sticky and ScrollTrigger's pinning. `clip` doesn't. */
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

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

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sprite symbol { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--s-4); top: -100px; z-index: 200;
  background: var(--accent); color: var(--on-accent);
  padding: var(--s-3) var(--s-5); font-family: var(--font-mono);
  font-size: var(--t-mono); letter-spacing: var(--tracking-mono); text-transform: uppercase;
  text-decoration: none; transition: top var(--d-fast) var(--e-out);
}
.skip-link:focus { top: var(--s-4); }

/* --- primitives ---------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--s-section); position: relative; }

.label {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.label--accent { color: var(--accent); }
.label--mark { color: var(--mark); }

.tick {
  width: 18px; height: 0;
  border-top: var(--hair) solid currentColor;
  display: inline-block;
  flex: none;
}

.sec-head { max-width: 780px; margin-bottom: var(--s-8); }
.sec-head--split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: var(--s-6) var(--s-8);
  align-items: end;
}

.sec-h2 {
  font-family: var(--font-display);
  font-size: var(--t-h2);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-display);
  margin-top: var(--s-4);
  text-wrap: balance;
}

.sec-lede {
  font-size: var(--t-lead);
  color: var(--ink-2);
  max-width: 62ch;
  margin-top: var(--s-4);
}

.num { font-variant-numeric: tabular-nums; }
.accent { color: var(--accent); }

/* --- buttons ------------------------------------------------------------- */
.btn {
  --btn-py: 14px;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--btn-py) var(--s-5);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  text-decoration: none;
  border: var(--hair) solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--d-fast) var(--e-out),
              color var(--d-fast) var(--e-out),
              border-color var(--d-fast) var(--e-out);
  will-change: transform;
}
.btn .ico { transition: transform var(--d-mid) var(--e-out); }
.btn:hover .ico { transform: translateX(3px); }

.btn--primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }

.btn--ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line-faint);
  text-transform: none;
  font-family: var(--font-body);
  font-size: var(--t-sm);
  letter-spacing: 0;
}
.btn--ghost:hover { color: var(--ink); border-color: var(--line); }

.btn--sm { --btn-py: 10px; padding-inline: var(--s-4); }
.btn--block { width: 100%; justify-content: center; }

/* one CTA, two lengths — the short one takes over on narrow screens */
.btn__short { display: none; }
@media (max-width: 680px) {
  .btn__long { display: none; }
  .btn__short { display: inline; }
}

.ico { width: var(--icon); height: var(--icon); fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ico--sm { width: var(--icon-sm); height: var(--icon-sm); }
.ico--xs { width: 14px; height: 14px; }

/* --- schematic (shared SVG language) ------------------------------------- */
.schematic { width: 100%; height: auto; overflow: visible; }
.schematic text { font-family: var(--font-mono); text-anchor: middle; }

.sch-node rect,
.sch-node circle,
.sch-node path {
  fill: var(--schematic-fill);
  stroke: var(--schematic-stroke);
  stroke-width: var(--stroke);
  vector-effect: non-scaling-stroke;
}
.sch-node--live rect { stroke: var(--schematic-live); stroke-width: 2; }

.sch-link path {
  fill: none;
  stroke: var(--line);
  stroke-width: var(--stroke);
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.sch-hair { fill: none; stroke: var(--grid-line); stroke-width: 1; vector-effect: non-scaling-stroke; }

.sch-dim path { fill: none; stroke: var(--line-faint); stroke-width: 1; vector-effect: non-scaling-stroke; }
.sch-dimtext { font-size: 8px; letter-spacing: 0.16em; fill: var(--ink-3); }

.sch-note path { fill: none; stroke: var(--mark); stroke-width: 1; vector-effect: non-scaling-stroke; }
.sch-note circle { fill: var(--mark); stroke: none; }
.sch-note-text { font-size: 8px; letter-spacing: 0.14em; fill: var(--mark); text-anchor: start; }

.sch-lab { font-size: 9.5px; font-weight: 500; letter-spacing: 0.11em; fill: var(--ink); }
.sch-sub { font-size: 8px; letter-spacing: 0.08em; fill: var(--ink-3); }

/* --- blueprint grid field ------------------------------------------------ */
.gridfield {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.gridfield__layer {
  position: absolute;
  inset: -12% 0 -12% 0;
  background-image:
    linear-gradient(var(--grid-line) var(--hair), transparent var(--hair)),
    linear-gradient(90deg, var(--grid-line) var(--hair), transparent var(--hair)),
    linear-gradient(var(--grid-line-major) var(--hair), transparent var(--hair)),
    linear-gradient(90deg, var(--grid-line-major) var(--hair), transparent var(--hair));
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  will-change: transform;
}
.gridfield--sub .gridfield__layer { opacity: 0.7; }

/* ==========================================================================
   00 · nav
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}
.nav__inner {
  max-width: var(--shell); margin-inline: auto;
  padding: 0 var(--gutter);
  height: var(--nav-h);
  display: flex; align-items: center; gap: var(--s-5);
}

.brand { display: flex; align-items: center; gap: var(--s-3); text-decoration: none; margin-right: auto; }
/* the mark carries its own gradient, so it needs sizing only — no ink strokes */
.brand__mark { width: 32px; height: 32px; flex: none; display: block; }
.brand__text { display: grid; line-height: 1.15; }
.brand__text b { font-family: var(--font-display); font-size: 0.9375rem; font-weight: 600; letter-spacing: -0.015em; }
.brand__text i {
  font-style: normal; font-family: var(--font-mono);
  font-size: var(--t-mono-sm); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-3);
}

.nav__links { display: flex; gap: var(--s-5); }
.nav__links a {
  font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: 0.08em; text-decoration: none; color: var(--ink-2);
  padding-block: 4px; position: relative;
  transition: color var(--d-fast) var(--e-out);
}
.nav__links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: var(--hair); background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--d-mid) var(--e-out);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__end { display: flex; align-items: center; gap: var(--s-3); }

.theme-toggle {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: transparent; border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-sm); cursor: pointer; color: var(--ink-2);
  transition: border-color var(--d-fast) var(--e-out), color var(--d-fast) var(--e-out);
  position: relative;
}
.theme-toggle:hover { border-color: var(--line); color: var(--ink); }
.theme-toggle .ico { width: 18px; height: 18px; grid-area: 1 / 1; transition: opacity var(--d-mid) var(--e-out), transform var(--d-mid) var(--e-out); }
.theme-toggle .ico--moon { opacity: 0; transform: rotate(-40deg) scale(0.7); }
:root[data-theme='dark'] .theme-toggle .ico:not(.ico--moon) { opacity: 0; transform: rotate(40deg) scale(0.7); }
:root[data-theme='dark'] .theme-toggle .ico--moon { opacity: 1; transform: none; }

.nav__rule { height: var(--hair); background: var(--line-hair); position: relative; }
.nav__progress {
  position: absolute; inset: 0 auto 0 0;
  width: 0%; background: var(--accent);
  will-change: width;
}

/* ==========================================================================
   01 · hero
   ========================================================================== */
.hero { position: relative; padding-block: clamp(40px, 5vw, 72px) clamp(64px, 9vw, 120px); }
.hero__inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero__h1 {
  font-family: var(--font-display);
  font-size: var(--t-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  margin-top: var(--s-5);
  text-wrap: balance;
}
.hero__h1 .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.06em; }
.hero__h1 .wi { display: inline-block; }

.hero__lede { font-size: var(--t-lead); color: var(--ink-2); max-width: 56ch; margin-top: var(--s-5); }

/* single column sized to the longer label, so both CTAs share one width */
.hero__cta {
  display: grid;
  grid-template-columns: minmax(0, max-content);
  grid-auto-rows: 1fr;              /* equal rows: the taller label sets both heights */
  gap: var(--s-3);
  margin-top: var(--s-6);
}
.hero__cta .btn { justify-content: center; }

.hero__stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-4);
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: var(--hair) solid var(--line-hair);
}
.hero__stats dt {
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.11em; text-transform: uppercase; color: var(--ink-3);
  line-height: 1.4;
}
.hero__stats dd {
  margin: var(--s-2) 0 0;
  font-family: var(--font-display); font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.125rem);
  font-weight: 600; letter-spacing: -0.02em;
  display: flex; align-items: baseline; gap: 3px;
}
.hero__stats .unit { font-size: 0.5em; color: var(--ink-3); font-weight: 500; }

.hero__figure { position: relative; margin: 0; }
.drawing-title {
  justify-content: flex-start;
  padding-bottom: var(--s-3);
  margin-bottom: var(--s-4);
  border-bottom: var(--hair) solid var(--line-hair);
}
.drawing-title span { color: var(--ink); font-weight: 500; }

.crosshair {
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0; transition: opacity var(--d-mid) var(--e-out);
}
.hero__figure:hover .crosshair { opacity: 1; }
.crosshair i, .crosshair b {
  position: absolute; background: var(--accent); opacity: 0.42;
}
.crosshair i { left: 0; right: 0; height: var(--hair); top: 0; }
.crosshair b { top: 0; bottom: 0; width: var(--hair); left: 0; }

/* ==========================================================================
   02 · under contract
   ========================================================================== */
.strip {
  padding-block: var(--s-7);
  border-block: var(--hair) solid var(--line-hair);
  background: var(--field);
  overflow: hidden;
}
.strip__head { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); align-items: baseline; }
.strip__note { font-size: var(--t-sm); color: var(--ink-3); }

.marquee { margin-block: var(--s-5); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__row {
  display: flex; align-items: center; gap: clamp(32px, 5vw, 72px);
  list-style: none; padding: 0; width: max-content;
  will-change: transform;
}
.marquee__row li {
  font-family: var(--font-display); font-size: clamp(1.125rem, 0.9rem + 0.8vw, 1.5rem);
  font-weight: 500; letter-spacing: -0.015em; color: var(--ink-2);
  white-space: nowrap;
}

.certs { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-3); }
.cert {
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
  border: var(--hair) solid var(--line-faint); border-radius: var(--r-pill);
  padding: 5px 12px;
}

/* --- definition ---------------------------------------------------------- */
.define { padding-block: var(--s-9); }
.define__inner {
  display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  gap: var(--s-5) var(--s-8);
  border-left: 2px solid var(--accent);
  padding-left: clamp(20px, 3vw, 40px);
}
.define__word {
  font-family: var(--font-display); font-size: var(--t-h3); font-weight: 600;
  letter-spacing: -0.02em;
}
.define__word em { font-style: normal; font-family: var(--font-mono); font-size: 0.62em; color: var(--ink-3); }
.define__word span { display: block; font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; margin-top: 4px; }
.define__body { font-size: var(--t-lead); color: var(--ink-2); max-width: var(--measure); }

/* ==========================================================================
   03 · where it breaks
   ========================================================================== */
.breaks { background: var(--field); border-block: var(--hair) solid var(--line-hair); }
.breaks__list { list-style: none; padding: 0; display: grid; gap: var(--s-7); counter-reset: brk; }

.brk {
  display: grid; grid-template-columns: 88px minmax(0, 1fr);
  gap: var(--s-5);
  padding-top: var(--s-6);
  border-top: var(--hair) solid var(--line-faint);
}
.brk:nth-child(2) { margin-left: clamp(0px, 6vw, 96px); }
.brk:nth-child(3) { margin-left: clamp(0px, 12vw, 192px); }

.brk__no {
  font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: var(--tracking-mono); color: var(--accent);
  padding-top: 6px;
}
.brk__body { max-width: var(--measure); }
.brk__body h3 {
  font-family: var(--font-display); font-size: var(--t-h3); font-weight: 600;
  letter-spacing: -0.02em; margin-bottom: var(--s-3);
}
.brk__body p + p { margin-top: var(--s-3); }
.brk__body p { color: var(--ink-2); }

.brk__mark {
  color: var(--mark) !important;
  font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: 0.06em; line-height: 1.6;
  border-left: var(--hair) solid var(--mark);
  padding-left: var(--s-3);
  margin-top: var(--s-4) !important;
}

/* ==========================================================================
   04 · benches
   ========================================================================== */
/* the panel is short, so a full section's worth of padding underneath reads as
   a gap rather than rhythm — trim it and let the next section start sooner */
.benches { padding-bottom: clamp(48px, 5vw, 80px); }

.benches__grid {
  display: grid; grid-template-columns: minmax(0, 0.5fr) minmax(0, 1.5fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}

.benchtabs { display: grid; gap: 0; border-top: var(--hair) solid var(--line-faint); }
.benchtab {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: start; gap: var(--s-3);
  text-align: left;
  padding: var(--s-5) var(--s-4) var(--s-5) 0;
  background: transparent; border: 0;
  border-bottom: var(--hair) solid var(--line-faint);
  cursor: pointer; color: var(--ink-2);
  position: relative;
  transition: color var(--d-fast) var(--e-out), padding-left var(--d-mid) var(--e-out);
}
.benchtab::before {
  content: ''; position: absolute; left: 0; top: -1px; bottom: -1px;
  width: 2px; background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform var(--d-mid) var(--e-out);
}
.benchtab:hover { color: var(--ink); padding-left: var(--s-3); }
.benchtab.is-active { color: var(--ink); padding-left: var(--s-4); }
.benchtab.is-active::before { transform: scaleY(1); }
.benchtab.is-active .ico { color: var(--accent); }

.benchtab .ico { width: 20px; height: 20px; margin-top: 3px; }
.benchtab__no { font-family: var(--font-mono); font-size: var(--t-mono-sm); letter-spacing: 0.12em; color: var(--ink-3); margin-top: 6px; }
.benchtab__name { font-family: var(--font-display); font-size: var(--t-h4); font-weight: 600; letter-spacing: -0.015em; }

.benchstage { position: relative; }
.benchpanel {
  display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: clamp(20px, 2.4vw, 40px);
  align-items: stretch;
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-md);
  background: var(--paper);
  padding: clamp(20px, 2.6vw, 36px);
}
.benchpanel[hidden] { display: none; }

/* the drawing sheet each bench schematic is pinned to */
.bench-fig {
  margin: 0;
  display: flex; flex-direction: column;
  border: var(--hair) solid var(--line-hair);
  border-radius: var(--r-sm);
  padding: clamp(14px, 1.6vw, 22px);
  min-height: 280px;
  /* the sheet the drawing is pinned to — squared paper, not empty space */
  background:
    linear-gradient(var(--grid-line) var(--hair), transparent var(--hair)) 0 0 / 100% 22px,
    linear-gradient(90deg, var(--grid-line) var(--hair), transparent var(--hair)) 0 0 / 22px 100%,
    var(--field);
}
.bench-fig .drawing-title { border-bottom-color: var(--line-faint); }
.bench-fig .schematic { flex: 1; min-height: 0; height: auto; padding-block: var(--s-4); }

.bench-copy h3 {
  font-family: var(--font-display); font-size: var(--t-h4); font-weight: 600;
  line-height: 1.3; letter-spacing: -0.015em; margin-bottom: var(--s-4);
  text-wrap: balance;
}
.bench-copy p { color: var(--ink-2); font-size: var(--t-sm); }
.bench-copy p + p { margin-top: var(--s-3); }

.ticklist { list-style: none; padding: 0; display: grid; gap: var(--s-3); }
.ticklist li {
  position: relative; padding-left: var(--s-5);
  font-size: var(--t-sm); color: var(--ink-2);
}
.ticklist li::before {
  content: ''; position: absolute; left: 0; top: 0.62em;
  width: 10px; height: var(--hair); background: var(--accent);
}
.ticklist--sm li { font-size: 0.875rem; }

.crosslist { list-style: none; padding: 0; display: grid; gap: var(--s-2); margin-top: var(--s-4); padding-top: var(--s-4); border-top: var(--hair) solid var(--line-hair); }
.crosslist li { position: relative; padding-left: var(--s-5); font-size: 0.875rem; color: var(--ink-3); }
.crosslist li::before { content: '—'; position: absolute; left: 0; top: 0; color: var(--ink-3); }

.bench-stat {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px;
  margin-top: var(--s-5) !important; padding-top: var(--s-4);
  border-top: var(--hair) solid var(--line-hair);
  font-family: var(--font-display);
}
.bench-stat b { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.bench-stat .unit { font-size: 0.9rem; color: var(--ink-3); }
.bench-stat .ico { align-self: center; margin-inline: var(--s-2); color: var(--ink-3); }
.bench-stat em {
  flex-basis: 100%; font-style: normal;
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
  margin-top: 4px;
}

.sla { width: 100%; border-collapse: collapse; margin-top: var(--s-4); font-size: 0.8125rem; }
.sla th, .sla td { text-align: left; padding: 9px 10px 9px 0; border-bottom: var(--hair) solid var(--line-hair); }
.sla th {
  font-family: var(--font-mono); font-size: var(--t-mono-sm); font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
}
.sla td { color: var(--ink-2); font-variant-numeric: tabular-nums; }
.sla td b { color: var(--ink); font-weight: 600; font-family: var(--font-mono); font-size: 0.75rem; margin-right: 4px; }
.bench-foot { font-size: 0.8125rem !important; color: var(--ink-3) !important; margin-top: var(--s-3) !important; }

.pull {
  margin: 0 0 var(--s-5); padding: var(--s-4) 0 var(--s-4) var(--s-5);
  border-left: 2px solid var(--accent);
}
.pull p { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 500; line-height: 1.45; letter-spacing: -0.012em; color: var(--ink) !important; }
.pull footer {
  margin-top: var(--s-3); font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
}

/* ==========================================================================
   05 · process (pinned horizontal)
   ========================================================================== */
.process {
  border-block: var(--hair) solid var(--line-hair);
  /* squared paper, so the tall pinned frame reads as a drawing sheet rather
     than a flat grey void above the cards */
  background:
    linear-gradient(var(--grid-line) var(--hair), transparent var(--hair)) 0 0 / 100% 24px,
    linear-gradient(90deg, var(--grid-line) var(--hair), transparent var(--hair)) 0 0 / 24px 100%,
    linear-gradient(var(--grid-line-major) var(--hair), transparent var(--hair)) 0 0 / 100% 120px,
    linear-gradient(90deg, var(--grid-line-major) var(--hair), transparent var(--hair)) 0 0 / 120px 100%,
    var(--field);
}

/* sheet header — sits at the top of the pinned frame so the space above the
   rail carries the drawing's title block instead of nothing */
.process__sheet {
  display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5);
  justify-content: space-between; align-items: baseline;
  padding-bottom: var(--s-3);
  margin: 0 var(--gutter) var(--s-6);
  border-bottom: var(--hair) solid var(--line-faint);
}
.process__sheet > span { display: inline-flex; align-items: center; gap: var(--s-2); }
.process__sheet em .ico { vertical-align: -2px; margin-left: 2px; }
/* only true when the horizontal rail exists — hidden on the stacked fallback */
.process__sheet em { display: none; font-style: normal; color: var(--accent); }
.process.is-pinned .process__sheet em { display: inline; }

/* Default is a plain vertical stack — reachable with no JS, no GSAP, or
   reduced motion. The horizontal rail is opt-in: main.js adds `.is-pinned`
   only once it has actually created the ScrollTrigger. */
.process__pin { padding-block: var(--s-section); }
.process__track {
  display: flex; flex-direction: column; align-items: stretch;
  gap: clamp(24px, 3vw, 48px);
  padding-inline: var(--gutter);
}
.process__intro, .process .step { width: 100%; max-width: 720px; }

.process.is-pinned .process__pin {
  height: 100vh;              /* deterministic — ScrollTrigger pins against this */
  /* the sticky nav floats over the top of the pinned frame, so the sheet header
     centred against a full 100vh sat underneath it — reserve the bar's height */
  padding-block: var(--nav-h) 0;
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
}
.process.is-pinned .process__sheet { margin-bottom: var(--s-5); }
.process.is-pinned .process__track {
  flex-direction: row; will-change: transform;
  /* The frame is a hard 100vh minus the nav bar it sits under, so whatever the
     rail doesn't use shows up as dead band above and below. The sheet header
     costs ~70px; the rest of the subtraction is the breathing room we actually
     want, split evenly by the frame's `justify-content: center`. */
  height: min(700px, calc(100vh - var(--nav-h) - 110px));
}
.process.is-pinned .process__intro { width: min(420px, 78vw); flex: none; align-self: center; max-width: none; }
/* 480 rather than 400: at 400 the longest step ran ~70px past the card and the
   overflow bled onto the sheet behind it */
.process.is-pinned .step { width: min(480px, 80vw); flex: none; max-width: none; }

.step {
  background: var(--paper);
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-md);
  padding: clamp(24px, 2.4vw, 36px);
  display: flex; flex-direction: column;
}
.step__no {
  font-family: var(--font-mono); font-size: 2.5rem; font-weight: 400;
  letter-spacing: -0.02em; color: var(--line-faint); line-height: 1;
}
.step__dur {
  margin-top: var(--s-3);
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.11em; text-transform: uppercase; color: var(--accent);
}
.step h3 {
  font-family: var(--font-display); font-size: var(--t-h3); font-weight: 600;
  letter-spacing: -0.02em; margin: var(--s-3) 0 var(--s-4);
}
.step p { font-size: var(--t-sm); color: var(--ink-2); }
.step__out {
  margin-top: auto; padding-top: var(--s-4);
  border-top: var(--hair) solid var(--line-hair);
}
.step__out span {
  display: block; font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 6px;
}
.step__aside {
  margin-top: var(--s-4); padding-left: var(--s-3);
  border-left: var(--hair) solid var(--mark);
  color: var(--mark) !important;
  font-family: var(--font-mono); font-size: var(--t-mono); line-height: 1.6;
}

/* ==========================================================================
   06 · proof
   ========================================================================== */
.proof__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); align-items: start; }

.case {
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-md);
  padding: clamp(20px, 2.2vw, 32px);
  background: var(--paper);
  transition: border-color var(--d-mid) var(--e-out), transform var(--d-mid) var(--e-out);
}
.case:hover { border-color: var(--line); }
.proof__grid .case:nth-child(2) { margin-top: clamp(0px, 3vw, 40px); }
.proof__grid .case:nth-child(3) { margin-top: clamp(0px, 6vw, 80px); }

.case__meta {
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
  padding-bottom: var(--s-3); border-bottom: var(--hair) solid var(--line-hair);
}
.case h3 {
  font-family: var(--font-display); font-size: var(--t-h4); font-weight: 600;
  line-height: 1.3; letter-spacing: -0.015em; margin: var(--s-4) 0 var(--s-4);
}
.case p { font-size: var(--t-sm); color: var(--ink-2); }
.case__constraint {
  background: var(--accent-wash); border-radius: var(--r-sm);
  padding: var(--s-3) var(--s-4); margin-bottom: var(--s-4);
  color: var(--ink) !important;
}
.case__constraint span {
  display: block; font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 4px;
}

.case__nums { margin-top: var(--s-5); padding-top: var(--s-4); border-top: var(--hair) solid var(--line-hair); display: grid; gap: var(--s-3); }
.case__nums dt { font-family: var(--font-mono); font-size: var(--t-mono-sm); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.case__nums dd {
  margin: 3px 0 0; font-family: var(--font-display); font-size: 1.0625rem;
  color: var(--ink-3); font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px;
}
.case__nums dd b { color: var(--accent); font-weight: 600; font-size: 1.25rem; }
/* before → after: the arrow is the icon set, not a text glyph the webfont
   subset would have to carry */
.case__nums dd .ico { align-self: center; color: var(--line); }

/* ==========================================================================
   07 · metrics band
   ========================================================================== */
.band {
  background: var(--ink); color: var(--paper);
  padding-block: clamp(48px, 6vw, 88px);
}
:root[data-theme='dark'] .band { background: var(--field-deep); color: var(--ink); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .band { background: var(--field-deep); color: var(--ink); }
}

.band__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-6) var(--s-5); }
.band__item { border-top: var(--hair) solid currentColor; padding-top: var(--s-4); opacity: 0.99; }
.band__num {
  font-family: var(--font-display); font-size: clamp(2.5rem, 1.8rem + 2.6vw, 4rem);
  font-weight: 600; letter-spacing: -0.035em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.band__unit { font-family: var(--font-display); font-size: 1.25rem; font-weight: 500; margin-left: 3px; opacity: 0.6; }
.band__item p { margin-top: var(--s-3); font-size: 0.875rem; opacity: 0.72; max-width: 30ch; }

/* ==========================================================================
   08 · the bench (people)
   ========================================================================== */
.people__grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5); }

/* Drawing plate — a title block, not a fake portrait. Drop a real photo in
   here later and the framing still works. */
.person__plate {
  position: relative;
  display: grid; place-items: center;
  aspect-ratio: 1 / 1;
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-sm);
  background:
    linear-gradient(var(--grid-line) var(--hair), transparent var(--hair)) 0 0 / 100% 20px,
    linear-gradient(90deg, var(--grid-line) var(--hair), transparent var(--hair)) 0 0 / 20px 100%,
    var(--field);
  overflow: hidden;
  transition: border-color var(--d-mid) var(--e-out);
}
.person:hover .person__plate { border-color: var(--accent); }

.person__plate b {
  font-family: var(--font-mono); font-weight: 500;
  font-size: clamp(1.75rem, 1.1rem + 1.8vw, 2.375rem);
  letter-spacing: 0.06em; color: var(--ink-3);
  transition: color var(--d-mid) var(--e-out);
}
.person:hover .person__plate b { color: var(--accent); }

.person__plate i {
  position: absolute; left: 10px; bottom: 8px;
  font-style: normal; font-family: var(--font-mono);
  font-size: var(--t-mono-sm); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-3); opacity: 0.7;
}

/* registration ticks, one per corner */
.person__plate::before,
.person__plate::after {
  content: ''; position: absolute; width: 12px; height: 12px;
  border: var(--hair) solid var(--line); opacity: 0.55;
}
.person__plate::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.person__plate::after { top: 8px; right: 8px; border-left: 0; border-bottom: 0; }

.person h3 { font-family: var(--font-display); font-size: var(--t-h4); font-weight: 600; letter-spacing: -0.015em; margin-top: var(--s-4); }
.person__role {
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
  margin-top: 6px;
}
.person__bio { font-size: 0.875rem; color: var(--ink-2); margin-top: var(--s-3); }

/* ==========================================================================
   09 · pricing
   ========================================================================== */
.pricing { background: var(--field); border-block: var(--hair) solid var(--line-hair); }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); align-items: start; }

.plan {
  background: var(--paper);
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-md);
  padding: clamp(22px, 2.4vw, 34px);
  position: relative;
  display: flex; flex-direction: column; gap: var(--s-4);
}
.plan--pick { border-color: var(--accent); border-width: 1.5px; }
.plan__flag {
  position: absolute; top: 0; left: clamp(22px, 2.4vw, 34px); transform: translateY(-50%);
  background: var(--accent); color: var(--on-accent);
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--r-sm);
}
.plan__kind {
  font-family: var(--font-mono); font-size: var(--t-mono);
  letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--ink-3);
}
.plan__price { display: grid; gap: 2px; }
.plan__price b {
  font-family: var(--font-display); font-size: clamp(1.75rem, 1.4rem + 1.3vw, 2.375rem);
  font-weight: 600; letter-spacing: -0.03em; font-variant-numeric: tabular-nums;
}
.plan__price span { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.plan__for { font-size: var(--t-sm); color: var(--ink-2); }

.plainly, .dont {
  margin-top: var(--s-7);
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-md);
  background: var(--paper);
  padding: clamp(22px, 2.6vw, 36px);
}
.plainly h3 { font-family: var(--font-display); font-size: var(--t-h4); font-weight: 600; letter-spacing: -0.015em; margin-bottom: var(--s-4); }
.plainly ul { list-style: none; padding: 0; display: grid; gap: var(--s-4); }
.plainly li { font-size: var(--t-sm); color: var(--ink-2); max-width: var(--measure); padding-left: var(--s-5); position: relative; }
.plainly li::before { content: ''; position: absolute; left: 0; top: 0.62em; width: 10px; height: var(--hair); background: var(--accent); }
.plainly b { color: var(--ink); font-weight: 600; }

.dont { border-color: color-mix(in srgb, var(--mark) 38%, transparent); }
.dont ul { list-style: none; padding: 0; display: grid; gap: var(--s-3); margin-top: var(--s-4); }
.dont li { font-size: var(--t-sm); color: var(--ink-2); padding-left: var(--s-5); position: relative; max-width: var(--measure); }
.dont li::before { content: ''; position: absolute; left: 0; top: 0.62em; width: 10px; height: var(--hair); background: var(--mark); }

/* ==========================================================================
   10 · objections
   ========================================================================== */
.acc { border-top: var(--hair) solid var(--line-faint); max-width: 940px; }
.acc__item { border-bottom: var(--hair) solid var(--line-faint); }
.acc__item h3 { margin: 0; font: inherit; }

.acc__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--s-5);
  background: transparent; border: 0; cursor: pointer; text-align: left;
  padding: var(--s-5) 0;
  font-family: var(--font-display); font-size: var(--t-h4); font-weight: 600;
  letter-spacing: -0.015em; color: var(--ink-2);
  transition: color var(--d-fast) var(--e-out);
}
.acc__q:hover { color: var(--ink); }
.acc__q[aria-expanded='true'] { color: var(--ink); }
.acc__ico { color: var(--accent); transition: transform var(--d-mid) var(--e-inout); flex: none; }
.acc__q[aria-expanded='true'] .acc__ico { transform: rotate(45deg); }

.acc__a { overflow: hidden; }
.acc__a[hidden] { display: none; }
.acc__a p {
  font-size: var(--t-sm); color: var(--ink-2);
  max-width: var(--measure); padding-bottom: var(--s-6); padding-right: var(--s-6);
}

/* ==========================================================================
   11 · contact
   ========================================================================== */
.contact { position: relative; background: var(--field); border-top: var(--hair) solid var(--line-hair); }
.contact__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(32px, 4vw, 72px);
  align-items: start;
}

.contact__direct { list-style: none; padding: 0; display: grid; gap: var(--s-4); margin-top: var(--s-7); }
.contact__direct li { display: grid; gap: 4px; font-size: var(--t-sm); color: var(--ink-2); }
.contact__direct .label { color: var(--ink-3); }
.contact__direct a { color: var(--accent); text-decoration: none; border-bottom: var(--hair) solid transparent; transition: border-color var(--d-fast) var(--e-out); }
.contact__direct a:hover { border-bottom-color: var(--accent); }

.form {
  background: var(--paper);
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-md);
  padding: clamp(22px, 2.6vw, 36px);
  display: grid; gap: var(--s-4);
}
.form__title { padding-bottom: var(--s-4); border-bottom: var(--hair) solid var(--line-hair); color: var(--ink); }

.field { display: grid; gap: 6px; }
.field label { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.field__opt { text-transform: none; letter-spacing: 0; font-family: var(--font-body); font-size: 0.75rem; }

.field input, .field select, .field textarea {
  width: 100%;
  background: var(--paper);
  border: var(--hair) solid var(--line-faint);
  border-radius: var(--r-sm);
  padding: 11px 12px;
  font-size: var(--t-sm);
  transition: border-color var(--d-fast) var(--e-out), box-shadow var(--d-fast) var(--e-out);
}
.field textarea { resize: vertical; min-height: 96px; font-family: var(--font-body); }
.field select { cursor: pointer; appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 17px) 52%, calc(100% - 12px) 52%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--line); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }

.field__err { font-family: var(--font-mono); font-size: var(--t-mono-sm); letter-spacing: 0.06em; color: var(--mark); min-height: 0; }
.field.is-bad input, .field.is-bad select { border-color: var(--mark); }

.form__note { font-size: 0.8125rem; color: var(--ink-3); }
.form__done { font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.08em; color: var(--accent); border-left: 2px solid var(--accent); padding-left: var(--s-3); }
.form__done[hidden] { display: none; }

/* ==========================================================================
   12 · footer
   ========================================================================== */
.foot {
  background: var(--paper);
  border-top: var(--hair) solid var(--line-hair);
  padding-top: var(--s-8);
  /* the legal line is the last thing on the page: it needs real air under it,
     plus the home-indicator inset so iOS doesn't sit on top of it */
  padding-bottom: calc(var(--s-7) + env(safe-area-inset-bottom, 0px));
}
.foot__inner {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) auto;
  gap: var(--s-6) var(--s-7); align-items: start;
}
.foot__brand { display: flex; gap: var(--s-3); }
.foot__brand p { font-family: var(--font-display); font-size: 0.9375rem; font-weight: 600; letter-spacing: -0.015em; line-height: 1.4; }
.foot__brand span { font-family: var(--font-body); font-weight: 400; font-size: 0.8125rem; color: var(--ink-3); letter-spacing: 0; }

.foot__nav { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); }
.foot__nav a {
  font-family: var(--font-mono); font-size: var(--t-mono); letter-spacing: 0.08em;
  color: var(--ink-3); text-decoration: none;
  transition: color var(--d-fast) var(--e-out);
}
.foot__nav a:hover { color: var(--accent); }

.foot__stamp {
  display: grid; gap: 3px; justify-items: end;
  border: var(--hair) solid var(--line-faint); border-radius: var(--r-sm);
  padding: var(--s-3) var(--s-4);
  font-family: var(--font-mono); font-size: var(--t-mono-sm);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
}

.foot__legal {
  margin-top: var(--s-7); padding-top: var(--s-4);
  border-top: var(--hair) solid var(--line-hair);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-2) var(--s-5);
  font-size: 0.8125rem; color: var(--ink-3);
}
.foot__legal a { color: var(--ink-3); text-decoration: none; }
.foot__legal a:hover { color: var(--accent); }

/* ==========================================================================
   reveal state — set by JS only when GSAP is driving
   ========================================================================== */
.js-motion .reveal,
.js-motion .brk,
.js-motion .case,
.js-motion .plan,
.js-motion .person,
.js-motion .band__item,
.js-motion .acc__item { opacity: 0; }

.js-motion .draw { opacity: 0; }

/* ==========================================================================
   responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .hero__inner { grid-template-columns: minmax(0, 1fr); }
  .hero__figure { max-width: 560px; }
  .benches__grid { grid-template-columns: minmax(0, 1fr); }
  .benchpanel { grid-template-columns: minmax(0, 1fr); }
  /* single column: let the sheet hug the drawing instead of stretching */
  .bench-fig { min-height: 0; }
  .bench-fig .schematic { flex: none; }
  .proof__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof__grid .case:nth-child(2) { margin-top: 0; }
  .proof__grid .case:nth-child(3) { margin-top: 0; grid-column: span 2; }
  .people__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .band__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact__grid { grid-template-columns: minmax(0, 1fr); }
  .foot__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot__stamp { grid-column: 1 / -1; justify-self: start; justify-items: start; }
}

@media (max-width: 900px) {
  .sec-head--split { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .define__inner { grid-template-columns: minmax(0, 1fr); }
  .plans { grid-template-columns: minmax(0, 1fr); }
  .plan--pick { order: -1; }
  .plan__flag { position: static; transform: none; justify-self: start; display: inline-block; margin-bottom: calc(var(--s-2) * -1); }

}

@media (max-width: 680px) {
  /* nav has to survive 375px: trim the brand subline, shorten the CTA */
  .nav__inner { gap: var(--s-3); }
  .brand { gap: var(--s-2); }
  .brand__mark { width: 26px; height: 26px; }
  .brand__text b { font-size: 0.8125rem; white-space: nowrap; }
  .brand__text i { display: none; }
  .theme-toggle { width: 34px; height: 34px; }
  .nav .btn--sm { --btn-py: 9px; padding-inline: var(--s-3); gap: 6px; font-size: var(--t-mono-sm); }
  .nav .btn--sm .ico { width: 15px; height: 15px; }

  .hero__stats { grid-template-columns: minmax(0, 1fr); gap: var(--s-5); }
  .hero__stats div { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-4); }
  .hero__stats dt { max-width: 18ch; }
  .brk { grid-template-columns: minmax(0, 1fr); gap: var(--s-2); }
  .brk:nth-child(2), .brk:nth-child(3) { margin-left: 0; }
  .proof__grid { grid-template-columns: minmax(0, 1fr); }
  .proof__grid .case:nth-child(3) { grid-column: auto; }
  .people__grid { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); }
  .person { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: var(--s-2) var(--s-4); align-items: start; }
  .person__plate { grid-row: span 2; }
  .person__plate i { display: none; }
  .person h3 { margin-top: 0; }
  .person__bio { grid-column: 1 / -1; margin-top: var(--s-3); }
  .band__grid { grid-template-columns: minmax(0, 1fr); }
  .foot__inner { grid-template-columns: minmax(0, 1fr); }
  .btn--ghost { white-space: normal; text-align: left; }
  .acc__q { font-size: 1rem; gap: var(--s-3); }
  .acc__a p { padding-right: 0; }
}

@media (max-width: 460px) {
  .hero__cta { grid-template-columns: 1fr; }
  .btn { justify-content: center; }
  .strip__note { display: none; }
  /* below 460 the wordmark can't share the bar with a CTA — keep the mark */
  .brand__text { display: none; }
  .hero .label--accent { font-size: var(--t-mono-sm); letter-spacing: 0.1em; }
}

/* ==========================================================================
   reduced motion — everything above degrades to plain, visible content
   ========================================================================== */
@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;
  }

  .js-motion .reveal,
  .js-motion .brk,
  .js-motion .case,
  .js-motion .plan,
  .js-motion .person,
  .js-motion .band__item,
  .js-motion .acc__item,
  .js-motion .draw { opacity: 1 !important; }

  .marquee__row { transform: none !important; flex-wrap: wrap; width: auto; }
  .marquee { mask-image: none; -webkit-mask-image: none; }
  .marquee__row li[aria-hidden='true'] { display: none; }

  .crosshair { display: none; }
  .process__track { transform: none !important; }
}

/* pointer-coarse: no magnetic buttons, no crosshair */
@media (hover: none) {
  .crosshair { display: none; }
}

@media print {
  .nav, .crosshair, .gridfield, .marquee { display: none; }
  .process__pin { display: block; min-height: 0; }
  .process__track { flex-direction: column; transform: none !important; }
  .acc__a { display: block !important; }
}