/* ==========================================================================
   Vemissure — Design System
   A restrained, instrument-grade visual language for a measurement company.
   No frameworks. No build step. Hand-authored CSS.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Surfaces — deep, cool, near-black. Reads as scientific, not "dark mode". */
  --ink-1000: #04070a;
  --ink-900:  #06090d;
  --ink-850:  #080c12;
  --ink-800:  #0b1017;
  --ink-750:  #0e141d;
  --ink-700:  #121a24;
  --ink-600:  #18222e;

  /* Ink on dark */
  --text:      #e8eef3;
  --text-dim:  #9daebc;
  --text-mute: #6d7f8d;
  --text-faint:#4d5b66;

  /* Lines & grids — the measurement substrate */
  --line:        rgba(146, 178, 199, 0.13);
  --line-soft:   rgba(146, 178, 199, 0.07);
  --line-strong: rgba(146, 178, 199, 0.26);

  /* Accents — restrained. Signal green for the calibrated result. */
  --signal:      #35d6a5;
  --signal-deep: #1ea683;
  --signal-soft: rgba(53, 214, 165, 0.12);
  --signal-line: rgba(53, 214, 165, 0.34);

  /* Amber = uncertainty, caution, planned status */
  --amber:      #e0a63f;
  --amber-soft: rgba(224, 166, 63, 0.12);
  --amber-line: rgba(224, 166, 63, 0.34);

  /* Steel = commodity / borrowed layers, third-party categories */
  --steel:      #6f93ab;
  --steel-soft: rgba(111, 147, 171, 0.12);
  --steel-line: rgba(111, 147, 171, 0.30);

  /* Paper — for document artefacts rendered on dark */
  --paper:      #f4f6f4;
  --paper-ink:  #10161c;
  --paper-dim:  #55636e;
  --paper-line: #d8dfdc;

  /* Type */
  --font-sans: "Inter", "Inter var", -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
               Consolas, "Liberation Mono", monospace;

  --step--2: clamp(0.688rem, 0.66rem + 0.14vw, 0.75rem);
  --step--1: clamp(0.813rem, 0.78rem + 0.16vw, 0.875rem);
  --step-0:  clamp(0.938rem, 0.90rem + 0.19vw, 1.031rem);
  --step-1:  clamp(1.125rem, 1.06rem + 0.32vw, 1.313rem);
  --step-2:  clamp(1.375rem, 1.25rem + 0.63vw, 1.75rem);
  --step-3:  clamp(1.75rem, 1.50rem + 1.25vw, 2.5rem);
  --step-4:  clamp(2.125rem, 1.70rem + 2.12vw, 3.5rem);
  --step-5:  clamp(2.5rem, 1.85rem + 3.25vw, 4.75rem);

  /* Space */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;  --sp-4: 1rem;
  --sp-5: 1.5rem;   --sp-6: 2rem;     --sp-7: 3rem;     --sp-8: 4rem;
  --sp-9: 6rem;     --sp-10: 8rem;

  --shell: 1240px;
  --shell-narrow: 860px;
  --gutter: clamp(1.125rem, 4vw, 2.75rem);

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 14px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background-color: var(--ink-900);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  font-feature-settings: "cv02" 1, "cv03" 1, "cv04" 1, "tnum" 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* The measurement grid: a faint, ever-present coordinate substrate. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 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: 88px 88px;
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 0%, transparent 78%);
  opacity: 0.85;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
svg { overflow: visible; }

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.022em;
  line-height: 1.12;
  color: #f2f6f9;
  text-wrap: balance;
}
p { margin: 0 0 1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

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

ul, ol { margin: 0 0 1em; padding-left: 1.15em; }
li { margin-bottom: 0.4em; }
li::marker { color: var(--text-faint); }

hr { border: 0; border-top: 1px solid var(--line); margin: var(--sp-7) 0; }

strong, b { font-weight: 600; color: #f4f8fa; }

::selection { background: var(--signal); color: var(--ink-1000); }

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

.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -100px;
  z-index: 999;
  background: var(--signal);
  color: var(--ink-1000);
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--step--1);
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: var(--sp-4); }

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

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}
.shell--narrow { max-width: var(--shell-narrow); }

.section {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 7.5rem);
  border-top: 1px solid var(--line);
  z-index: 1;
}
.section--flush { border-top: 0; }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4.5rem); }
.section--raised { background: linear-gradient(180deg, var(--ink-850), var(--ink-900)); }
.section--deep { background: var(--ink-1000); }

.grid { display: grid; gap: var(--sp-5); }
.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)); }
.grid--split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); }
.grid--aside { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); }

@media (max-width: 1000px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .grid--2, .grid--3, .grid--4, .grid--split, .grid--aside {
    grid-template-columns: minmax(0, 1fr);
  }
}

.stack-sm > * + * { margin-top: var(--sp-3); }
.stack-md > * + * { margin-top: var(--sp-5); }
.stack-lg > * + * { margin-top: var(--sp-7); }

/* --------------------------------------------------------------------------
   4. Typography components
   -------------------------------------------------------------------------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: var(--sp-4);
}
.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--signal-line);
}
.kicker--steel { color: var(--steel); }
.kicker--steel::before { background: var(--steel-line); }
.kicker--amber { color: var(--amber); }
.kicker--amber::before { background: var(--amber-line); }

.h-xl { font-size: var(--step-5); letter-spacing: -0.035em; line-height: 1.02; }
.h-lg { font-size: var(--step-4); letter-spacing: -0.03em; line-height: 1.06; }
.h-md { font-size: var(--step-3); letter-spacing: -0.026em; line-height: 1.1; }
.h-sm { font-size: var(--step-2); letter-spacing: -0.02em; line-height: 1.2; }
.h-xs { font-size: var(--step-1); letter-spacing: -0.014em; line-height: 1.3; }

.lede {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--text-dim);
  max-width: 62ch;
  font-weight: 350;
}
.body-dim { color: var(--text-dim); }
.body-mute { color: var(--text-mute); }
.measure { max-width: 66ch; }
.measure-tight { max-width: 52ch; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.section__head { max-width: 780px; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section__head .lede { margin-top: var(--sp-4); }
.section__head--wide { max-width: 940px; }

.footnote-ref {
  font-family: var(--font-mono);
  font-size: 0.68em;
  vertical-align: super;
  line-height: 0;
  color: var(--signal);
  padding: 0 0.15em;
  border-bottom: 0;
  cursor: help;
}
.footnote-ref:hover { color: #6ff0c6; }

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 0.82em 1.35em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.22s var(--ease), border-color 0.22s var(--ease),
              color 0.22s var(--ease), transform 0.22s var(--ease);
  white-space: nowrap;
  font-family: inherit;
}
.btn svg { width: 1em; height: 1em; flex: none; transition: transform 0.25s var(--ease); }
.btn:hover svg.icon-arrow { transform: translateX(3px); }

.btn--primary {
  background: var(--signal);
  color: #032018;
  font-weight: 600;
}
.btn--primary:hover { background: #4ee9b8; }

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.015);
}
.btn--ghost:hover { border-color: var(--signal-line); color: #fff; background: var(--signal-soft); }

.btn--quiet {
  padding-inline: 0;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  padding-bottom: 0.35em;
}
.btn--quiet:hover { color: var(--signal); border-color: var(--signal-line); }

.btn--sm { font-size: var(--step--2); padding: 0.65em 1em; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }

/* --------------------------------------------------------------------------
   6. Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 13, 0.72);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav.is-scrolled { background: rgba(4, 7, 10, 0.94); border-bottom-color: var(--line-strong); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  height: 68px;
}

.brand { display: inline-flex; align-items: center; }
.brand__logo {
  height: 42px;
  width: auto;
  display: block;
  transition: opacity 0.2s var(--ease);
}
.brand:hover .brand__logo { opacity: 0.85; }
@media (max-width: 520px) { .brand__logo { height: 34px; } }
.brand--footer .brand__logo { height: 54px; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.6vw, 1.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  font-size: var(--step--1);
  color: var(--text-dim);
  padding: 0.45rem 0.25rem;
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.35rem;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.nav__links a[aria-current="page"] { color: var(--text); }

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

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}
.nav__toggle svg { width: 18px; height: 18px; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }
.nav__toggle[aria-expanded="true"] .icon-menu { display: none; }

@media (max-width: 940px) {
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink-1000);
    border-bottom: 1px solid var(--line-strong);
    padding: var(--sp-4) var(--gutter) var(--sp-6);
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__links li { margin: 0; border-bottom: 1px solid var(--line); }
  .nav__links a { display: block; padding: 0.95rem 0; font-size: var(--step-0); }
  .nav__links a::after { display: none; }
  .nav__actions .btn--nav-cta { display: none; }
  .nav__links .nav__mobile-cta { display: block; margin-top: var(--sp-5); }
  .nav__links .nav__mobile-cta .btn { width: 100%; }
}
@media (min-width: 941px) {
  .nav__links .nav__mobile-cta { display: none; }
}

/* --------------------------------------------------------------------------
   7. Status strip / badges
   -------------------------------------------------------------------------- */
.statusbar {
  background: var(--ink-1000);
  border-bottom: 1px solid var(--line);
  font-size: var(--step--2);
  color: var(--text-mute);
  position: relative;
  z-index: 2;
}
.statusbar__inner {
  display: flex; align-items: center; gap: var(--sp-3);
  padding-block: 0.55rem; flex-wrap: wrap;
}
.statusbar strong { color: var(--amber); font-weight: 500; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.32em 0.62em;
  border-radius: 3px;
  border: 1px solid var(--line-strong);
  color: var(--text-mute);
  line-height: 1.4;
  max-width: 100%;
  text-align: left;
}
.badge::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor;
  flex: none;
}
.badge--planned { color: var(--amber); border-color: var(--amber-line); background: var(--amber-soft); }
.badge--core { color: var(--signal); border-color: var(--signal-line); background: var(--signal-soft); }
.badge--commodity { color: var(--steel); border-color: var(--steel-line); background: var(--steel-soft); }
.badge--context { color: var(--text-mute); }

.badge-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.legend {
  display: flex; flex-wrap: wrap; gap: var(--sp-4);
  padding: var(--sp-3) 0;
  font-size: var(--step--2);
  color: var(--text-mute);
}
.legend__item { display: inline-flex; align-items: center; gap: 0.5em; }
.legend__swatch { width: 10px; height: 10px; border-radius: 2px; flex: none; }
.legend__swatch--signal { background: var(--signal); }
.legend__swatch--steel { background: var(--steel); }
.legend__swatch--amber { background: var(--amber); }

/* --------------------------------------------------------------------------
   8. Cards & surfaces
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-850));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease),
              background-color 0.28s var(--ease);
}
.card--hover:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card--signal { border-color: var(--signal-line); background: linear-gradient(180deg, rgba(53,214,165,0.05), var(--ink-850)); }
.card--amber { border-color: var(--amber-line); background: linear-gradient(180deg, rgba(224,166,63,0.05), var(--ink-850)); }
.card--flat { background: var(--ink-850); }
.card__title { font-size: var(--step-1); margin-bottom: var(--sp-3); }
.card__body { color: var(--text-dim); font-size: var(--step--1); line-height: 1.66; }
.card__index {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--text-faint);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-4);
  display: block;
}

.stat {
  border-left: 2px solid var(--signal-line);
  padding-left: var(--sp-4);
}
.stat__value {
  font-size: var(--step-3);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: #f4f8fa;
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
  display: block;
}
.stat__unit { font-size: 0.5em; color: var(--text-mute); letter-spacing: 0; margin-left: 0.2em; }
.stat__label {
  display: block;
  margin-top: var(--sp-3);
  font-size: var(--step--1);
  color: var(--text-dim);
  line-height: 1.5;
}
.stat--amber { border-left-color: var(--amber-line); }
.stat--amber .stat__value { color: var(--amber); }
.stat--steel { border-left-color: var(--steel-line); }

.note {
  font-size: var(--step--2);
  color: var(--text-mute);
  line-height: 1.6;
  border-left: 1px solid var(--line-strong);
  padding-left: var(--sp-4);
}
.note strong { color: var(--text-dim); font-weight: 500; }

.callout {
  border: 1px solid var(--line);
  border-left: 2px solid var(--signal);
  background: var(--ink-850);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--sp-5);
}
.callout--amber { border-left-color: var(--amber); }
.callout--steel { border-left-color: var(--steel); }
.callout__title {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: var(--sp-3);
}
.callout--amber .callout__title { color: var(--amber); }
.callout--steel .callout__title { color: var(--steel); }
.callout p { font-size: var(--step--1); color: var(--text-dim); }

.pullquote {
  font-size: var(--step-2);
  line-height: 1.35;
  letter-spacing: -0.022em;
  color: #f2f6f9;
  font-weight: 350;
  border-left: 2px solid var(--signal);
  padding-left: clamp(1.25rem, 3vw, 2.25rem);
  max-width: 26ch;
}
.pullquote cite {
  display: block;
  margin-top: var(--sp-4);
  font-size: var(--step--2);
  font-style: normal;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}

/* --------------------------------------------------------------------------
   9. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6.5rem) clamp(3rem, 6vw, 5.5rem);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  top: -30%; left: 50%;
  width: min(1100px, 130vw); height: 720px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(53, 214, 165, 0.085), transparent 62%);
  pointer-events: none;
  z-index: 0;
}
.hero .shell { z-index: 2; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 980px) { .hero__grid { grid-template-columns: minmax(0, 1fr); } }

.hero h1 { margin-bottom: var(--sp-5); }
.hero h1 em {
  font-style: normal;
  color: var(--signal);
}
.hero__lede { font-size: clamp(1.02rem, 0.95rem + 0.4vw, 1.25rem); max-width: 54ch; }
.hero__actions { margin-top: var(--sp-6); }
.hero__meta {
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5) var(--sp-6);
}
.hero__meta-item { font-size: var(--step--2); color: var(--text-mute); max-width: 21ch; line-height: 1.5; }
.hero__meta-item b {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  font-weight: 400;
  margin-bottom: 0.35em;
}

/* --------------------------------------------------------------------------
   10. Pipeline / chain diagrams
   -------------------------------------------------------------------------- */
.chain {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-850));
  overflow: hidden;
}
.chain__row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-4);
  padding: 0.95rem clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  transition: background-color 0.25s var(--ease);
}
.chain__row:last-child { border-bottom: 0; }
.chain__row:hover { background: rgba(255,255,255,0.018); }
.chain__num {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--text-faint);
  letter-spacing: 0.06em;
}
.chain__label { font-size: var(--step--1); color: var(--text); letter-spacing: -0.008em; }
.chain__label small { display: block; color: var(--text-mute); font-size: 0.82em; letter-spacing: 0; margin-top: 0.15em; }
.chain__row--own { background: rgba(53, 214, 165, 0.045); }
.chain__row--own .chain__num { color: var(--signal); }
.chain__row--own::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--signal);
}
.chain__row--commodity::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--steel-line);
}
.chain__caption {
  padding: 0.75rem clamp(1rem, 2vw, 1.4rem);
  background: var(--ink-1000);
  border-top: 1px solid var(--line);
  font-size: var(--step--2);
  color: var(--text-mute);
}

/* Contrast pair: market chain vs Vemissure chain */
.contrast {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}
@media (max-width: 760px) { .contrast { grid-template-columns: minmax(0, 1fr); } }
.contrast__col h3 {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--sp-4);
}
.contrast__col--ours h3 { color: var(--signal); }

.flowlist { list-style: none; margin: 0; padding: 0; }
.flowlist li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.75rem;
  font-size: var(--step--1);
  color: var(--text-dim);
  border-bottom: 1px dashed var(--line-soft);
  margin: 0;
}
.flowlist li:last-child { border-bottom: 0; }
.flowlist li::before {
  content: "";
  position: absolute;
  left: 4px; top: 1.15rem;
  width: 6px; height: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}
.flowlist li::after {
  content: "";
  position: absolute;
  left: 7px; top: 1.75rem; bottom: -0.35rem;
  width: 1px;
  background: var(--line);
}
.flowlist li:last-child::after { display: none; }
.flowlist li.is-gap { color: var(--amber); font-family: var(--font-mono); letter-spacing: 0.1em; }
.flowlist li.is-gap::before { border-color: var(--amber); border-style: dashed; }
.flowlist--ours li { color: var(--text); }
.flowlist--ours li::before { border-color: var(--signal); background: var(--signal-soft); }
.flowlist--ours li.is-own::before { background: var(--signal); border-color: var(--signal); }

/* --------------------------------------------------------------------------
   11. Layered architecture (interactive)
   -------------------------------------------------------------------------- */
.arch {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}
@media (max-width: 900px) { .arch { grid-template-columns: minmax(0, 1fr); } }

.arch__layers { display: grid; gap: 6px; }
.arch__layer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-4);
  width: 100%;
  text-align: left;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1.1rem;
  color: var(--text-dim);
  font-family: inherit;
  font-size: var(--step--1);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease),
              color 0.25s var(--ease), transform 0.25s var(--ease);
}
.arch__layer:hover { border-color: var(--line-strong); color: var(--text); }
.arch__layer[aria-selected="true"] {
  background: linear-gradient(90deg, rgba(53,214,165,0.10), var(--ink-750));
  border-color: var(--signal-line);
  color: var(--text);
  transform: translateX(4px);
}
.arch__layer-n {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--text-faint);
  width: 2ch;
}
.arch__layer[aria-selected="true"] .arch__layer-n { color: var(--signal); }
.arch__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  padding: clamp(1.35rem, 3vw, 2.1rem);
  min-height: 320px;
}
.arch__panel h3 { font-size: var(--step-2); margin-bottom: var(--sp-3); }
.arch__panel .badge-row { margin-bottom: var(--sp-4); }
.arch__panel p { color: var(--text-dim); font-size: var(--step--1); }
.arch__panel ul { font-size: var(--step--1); color: var(--text-dim); }
.arch__panel[hidden] { display: none; }
.arch__panel-wrap > .arch__panel { animation: fadeUp 0.42s var(--ease-out) both; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   12. Innovation register
   -------------------------------------------------------------------------- */
.register { display: grid; gap: var(--sp-6); }
.register__group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}
.register__group-head h3 { font-size: var(--step-1); }
.register__group-head p { font-size: var(--step--2); color: var(--text-mute); margin: 0; max-width: 46ch; }

.innov {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}
.innov:hover { border-color: var(--line-strong); }
.innov > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-4);
  padding: 1.05rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--step--1);
  color: var(--text);
}
.innov > summary::-webkit-details-marker { display: none; }
.innov__id {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--signal);
  border: 1px solid var(--signal-line);
  background: var(--signal-soft);
  border-radius: 3px;
  padding: 0.2em 0.5em;
}
.innov--support .innov__id { color: var(--steel); border-color: var(--steel-line); background: var(--steel-soft); }
.innov--commercial .innov__id { color: var(--amber); border-color: var(--amber-line); background: var(--amber-soft); }
.innov__chev {
  width: 16px; height: 16px;
  color: var(--text-faint);
  transition: transform 0.25s var(--ease);
  flex: none;
}
.innov[open] .innov__chev { transform: rotate(180deg); color: var(--signal); }
.innov__body {
  padding: 0 1.25rem 1.35rem;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.1rem;
  font-size: var(--step--1);
  color: var(--text-dim);
  animation: fadeUp 0.3s var(--ease-out) both;
}
.innov__body p:last-child { margin-bottom: 0; }
.innov-grid { display: grid; gap: 8px; }

/* --------------------------------------------------------------------------
   13. Timeline (regulatory + roadmap)
   -------------------------------------------------------------------------- */
.timeline { position: relative; }
.timeline__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: var(--sp-4);
  -webkit-overflow-scrolling: touch;
}
.timeline__track::-webkit-scrollbar { height: 4px; }
.timeline__track::-webkit-scrollbar-track { background: var(--line-soft); }
.timeline__track::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 2px; }

.tl-item {
  position: relative;
  padding: var(--sp-6) var(--sp-4) 0 0;
  scroll-snap-align: start;
  border-top: 1px solid var(--line);
}
.tl-item::before {
  content: "";
  position: absolute;
  top: -4px; left: 0;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
}
.tl-item--key::before { background: var(--signal); border-color: var(--signal); box-shadow: 0 0 0 4px var(--signal-soft); }
.tl-item__year {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  color: #f2f6f9;
  display: block;
  margin-bottom: var(--sp-2);
}
.tl-item--key .tl-item__year { color: var(--signal); }
.tl-item__text { font-size: var(--step--2); color: var(--text-dim); line-height: 1.6; max-width: 30ch; }

@media (max-width: 760px) {
  .timeline__track {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
  }
  .tl-item {
    padding: 0 0 var(--sp-5) var(--sp-5);
    border-top: 0;
    border-left: 1px solid var(--line);
  }
  .tl-item::before { top: 4px; left: -4px; }
  .tl-item__text { max-width: none; }
  .tl-item:last-child { padding-bottom: 0; }
}

/* Roadmap milestone cards */
.roadmap { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.rm {
  background: var(--ink-850);
  padding: var(--sp-5);
  transition: background-color 0.25s var(--ease);
}
.rm:hover { background: var(--ink-750); }
.rm__m {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  color: var(--amber);
  display: block;
  margin-bottom: var(--sp-3);
}
.rm__t { font-size: var(--step-0); color: var(--text); margin-bottom: var(--sp-2); letter-spacing: -0.012em; }
.rm__d { font-size: var(--step--2); color: var(--text-mute); line-height: 1.6; }

/* --------------------------------------------------------------------------
   14. Flywheel
   -------------------------------------------------------------------------- */
.flywheel-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 900px) { .flywheel-wrap { grid-template-columns: minmax(0, 1fr); } }
.flywheel { width: 100%; max-width: 520px; margin-inline: auto; }
.flywheel .fw-ring {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}
.flywheel .fw-arc {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 1080;
  stroke-dashoffset: 1080;
}
.is-visible .flywheel .fw-arc { animation: draw 2.6s var(--ease-out) 0.2s forwards, spin 26s linear 2.8s infinite; transform-origin: 260px 260px; }
@keyframes draw { to { stroke-dashoffset: 120; } }
@keyframes spin { to { transform: rotate(360deg); } }
.flywheel .fw-node circle { fill: var(--ink-800); stroke: var(--line-strong); stroke-width: 1; }
.flywheel .fw-node text { fill: var(--text-dim); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; }
.flywheel .fw-node.is-key circle { stroke: var(--signal); fill: rgba(53,214,165,0.10); }
.flywheel .fw-node.is-key text { fill: var(--signal); }
.flywheel .fw-core text { fill: var(--text); font-family: var(--font-sans); }

/* --------------------------------------------------------------------------
   15. Uncertainty chart
   -------------------------------------------------------------------------- */
.chart {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-850));
  padding: clamp(1.1rem, 2.5vw, 1.75rem);
}
.chart__head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-5);
}
.chart__title { font-size: var(--step-0); letter-spacing: -0.012em; }
.chart__sub { font-size: var(--step--2); color: var(--text-mute); }
.chart svg { width: 100%; height: auto; }
.chart .axis { stroke: var(--line-strong); stroke-width: 1; }
.chart .gridline { stroke: var(--line-soft); stroke-width: 1; }
.chart .tick-label { fill: var(--text-faint); font-family: var(--font-mono); font-size: 9px; }
.chart .truth-line { stroke: var(--text-mute); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .band-wide { fill: rgba(224, 166, 63, 0.14); stroke: var(--amber-line); stroke-width: 1; }
.chart .band-tight { fill: rgba(53, 214, 165, 0.16); stroke: var(--signal-line); stroke-width: 1; }
.chart .pt { fill: var(--steel); }
.chart .pt--out { fill: var(--amber); }
.chart__foot { margin-top: var(--sp-4); font-size: var(--step--2); color: var(--text-mute); line-height: 1.6; }

/* Animated interval bars */
.bar-compare { display: grid; gap: var(--sp-5); }
.bar-row__label {
  display: flex; justify-content: space-between; gap: var(--sp-4);
  font-size: var(--step--2); color: var(--text-dim); margin-bottom: var(--sp-2);
  font-family: var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase;
}
.bar-track {
  position: relative;
  height: 30px;
  background: var(--ink-1000);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  position: absolute;
  top: 0; bottom: 0;
  background: var(--steel-soft);
  border-inline: 1px solid var(--steel-line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s var(--ease-out);
}
.is-visible .bar-fill { transform: scaleX(1); }
.bar-fill--signal { background: var(--signal-soft); border-color: var(--signal-line); }
.bar-fill--amber { background: var(--amber-soft); border-color: var(--amber-line); }
.bar-mark {
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: var(--text);
}
.bar-mark::after {
  content: attr(data-label);
  position: absolute;
  top: 50%; left: 6px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   16. Evidence pack (paper artefact)
   -------------------------------------------------------------------------- */
.pack {
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2.25rem);
  box-shadow: 0 24px 60px -24px rgba(0,0,0,0.75);
  position: relative;
  overflow: hidden;
}
.pack::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(16,22,28,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16,22,28,0.035) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.pack__head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--paper-line);
  margin-bottom: var(--sp-4);
  position: relative; z-index: 1;
}
.pack__title { font-size: var(--step-1); color: var(--paper-ink); letter-spacing: -0.02em; }
.pack__meta { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper-dim); }
.pack__rows { position: relative; z-index: 1; display: grid; gap: 0; }
.pack__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-4);
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--paper-line);
  font-size: var(--step--1);
}
.pack__row:last-child { border-bottom: 0; }
.pack__row span { color: var(--paper-dim); }
.pack__row b { font-weight: 500; font-variant-numeric: tabular-nums; }
.pack__stamp {
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-dim);
  border: 1px dashed var(--paper-line);
  padding: 0.55rem 0.7rem;
  border-radius: 3px;
  position: relative; z-index: 1;
}

/* --------------------------------------------------------------------------
   17. Competitive map
   -------------------------------------------------------------------------- */
.map {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.map__band {
  background: var(--ink-850);
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: start;
}
@media (max-width: 720px) { .map__band { grid-template-columns: minmax(0, 1fr); gap: var(--sp-3); } }
.map__band h3 { font-size: var(--step-0); letter-spacing: -0.012em; }
.map__band p { font-size: var(--step--2); color: var(--text-mute); margin: var(--sp-2) 0 0; }
.map__band--ours {
  background: linear-gradient(90deg, rgba(53,214,165,0.09), var(--ink-750));
  border-left: 2px solid var(--signal);
}
.map__band--ours h3 { color: var(--signal); }
.map__tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag {
  font-size: var(--step--2);
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.3em 0.6em;
  background: var(--ink-800);
  line-height: 1.4;
}
.tag--ours { border-color: var(--signal-line); background: var(--signal-soft); color: var(--signal); }

/* --------------------------------------------------------------------------
   18. Market
   -------------------------------------------------------------------------- */
.tam {
  display: grid;
  gap: var(--sp-4);
  align-content: center;
}
.tam__row { display: grid; gap: var(--sp-2); }
.tam__bar {
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--ink-800);
  position: relative;
  display: flex; align-items: center;
  padding-left: var(--sp-4);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--text-dim);
  overflow: hidden;
  transform-origin: left;
}
.tam__bar span { position: relative; z-index: 1; }
.tam__bar::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--steel-soft);
  transform: scaleX(0); transform-origin: left;
  transition: transform 1.1s var(--ease-out);
}
.is-visible .tam__bar::before { transform: scaleX(1); }
.tam__row--tam .tam__bar { width: 100%; }
.tam__row--sam .tam__bar { width: 62%; border-color: var(--signal-line); color: var(--text); }
.tam__row--sam .tam__bar::before { background: rgba(53,214,165,0.10); transition-delay: 0.14s; }
.tam__row--som .tam__bar { width: 26%; border-color: var(--signal); color: var(--signal); }
.tam__row--som .tam__bar::before { background: rgba(53,214,165,0.22); transition-delay: 0.28s; }
.tam__label { font-size: var(--step--2); color: var(--text-mute); }

.waves { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.wave {
  background: var(--ink-850);
  padding: var(--sp-5);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: baseline;
}
.wave__n {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  color: var(--signal);
  white-space: nowrap;
}
.wave__t { font-size: var(--step-0); color: var(--text); }
.wave__d { font-size: var(--step--2); color: var(--text-mute); margin-top: var(--sp-2); }
.wave:nth-child(2) .wave__n { color: rgba(53,214,165,0.75); }
.wave:nth-child(3) .wave__n { color: var(--steel); }
.wave:nth-child(4) .wave__n { color: var(--text-mute); }

/* Pricing / model */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: var(--sp-4); }
.tier {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  padding: var(--sp-5);
}
.tier--feature { border-color: var(--signal-line); background: linear-gradient(180deg, rgba(53,214,165,0.05), var(--ink-850)); }
.tier__price {
  font-size: var(--step-2);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: #f2f6f9;
  display: block;
}
.tier__unit { font-size: var(--step--2); color: var(--text-mute); display: block; margin-top: var(--sp-2); }
.tier__desc { font-size: var(--step--2); color: var(--text-dim); margin-top: var(--sp-4); line-height: 1.6; }

/* Channel comparison */
.channel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.25rem, 3vw, 2.5rem); }
@media (max-width: 720px) { .channel { grid-template-columns: minmax(0, 1fr); } }
.channel__col { border: 1px solid var(--line); border-radius: var(--radius); padding: var(--sp-5); background: var(--ink-850); }
.channel__col--ours { border-color: var(--signal-line); background: linear-gradient(180deg, rgba(53,214,165,0.05), var(--ink-850)); }
.channel__viz { margin: var(--sp-5) 0; }

/* --------------------------------------------------------------------------
   19. Founder / placeholder blocks
   -------------------------------------------------------------------------- */
.founder {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
@media (max-width: 800px) { .founder { grid-template-columns: minmax(0, 1fr); } }
.founder__portrait {
  aspect-ratio: 4 / 5;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(135deg, transparent 0 10px, rgba(146,178,199,0.04) 10px 11px),
    var(--ink-850);
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--sp-5);
  gap: var(--sp-3);
}
.founder__portrait span {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* Real portrait */
.founder__figure { margin: 0; }
.founder__portrait--photo {
  display: block;
  aspect-ratio: 1 / 1;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-style: solid;
  border-radius: var(--radius);
  background: var(--ink-800);
  position: relative;
}
.founder__portrait--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  display: block;
  filter: saturate(0.96) contrast(1.02);
}
.founder__portrait--photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 -70px 90px -60px rgba(4, 7, 10, 0.9);
}
.founder__id {
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
}
.founder__name {
  font-size: var(--step-1);
  letter-spacing: -0.022em;
  color: #f2f6f9;
}
.founder__role {
  display: block;
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}
.founder__creds {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

.placeholder {
  border: 1px dashed var(--amber-line);
  background: var(--amber-soft);
  border-radius: var(--radius);
  padding: var(--sp-5);
}
.placeholder__title {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: var(--sp-3);
  display: flex; align-items: center; gap: 0.5em;
}
.placeholder ul { font-size: var(--step--1); color: var(--text-dim); margin-bottom: 0; }
.placeholder p { font-size: var(--step--1); color: var(--text-dim); }

/* --------------------------------------------------------------------------
   20. Trust / context strip
   -------------------------------------------------------------------------- */
.context-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.context-cell {
  background: var(--ink-850);
  padding: var(--sp-5) var(--sp-4);
  text-align: left;
}
.context-cell__name { font-size: var(--step--1); color: var(--text); letter-spacing: -0.01em; }
.context-cell__role { font-size: 0.66rem; font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-top: var(--sp-2); display: block; }

/* --------------------------------------------------------------------------
   21. References
   -------------------------------------------------------------------------- */
.refs { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.ref {
  background: var(--ink-850);
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: var(--sp-4);
  padding: 0.85rem 1.1rem;
  font-size: var(--step--2);
  color: var(--text-dim);
  align-items: baseline;
}
.ref__n { font-family: var(--font-mono); color: var(--signal); letter-spacing: 0.06em; }
.ref__claim { color: var(--text-mute); display: block; margin-top: 0.25rem; }
.ref--pending .ref__n { color: var(--amber); }

/* --------------------------------------------------------------------------
   22. CTA + forms
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--ink-850), var(--ink-1000));
  border-top: 1px solid var(--line-strong);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: auto 0 -60% 0;
  height: 420px;
  background: radial-gradient(ellipse at 50% 100%, rgba(53,214,165,0.14), transparent 65%);
  pointer-events: none;
}
.cta-band .shell { position: relative; z-index: 1; }

.form { display: grid; gap: var(--sp-5); }
.field { display: grid; gap: var(--sp-2); }
.field label { font-size: var(--step--2); font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-mute); }
.field input, .field select, .field textarea {
  background: var(--ink-1000);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  font-size: var(--step--1);
  padding: 0.8rem 0.9rem;
  width: 100%;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--signal-line);
  background: var(--ink-900);
  outline: none;
  box-shadow: 0 0 0 3px var(--signal-soft);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field__hint { font-size: var(--step--2); color: var(--text-faint); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5); }
@media (max-width: 640px) { .form__row { grid-template-columns: minmax(0, 1fr); } }
.form__status { font-size: var(--step--1); color: var(--signal); }
.form__status[hidden] { display: none; }

/* Direct contact details */
.contact-card {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.contact-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--sp-4);
  align-items: start;
  background: var(--ink-850);
  padding: clamp(1.1rem, 2.5vw, 1.5rem);
  transition: background-color 0.25s var(--ease);
}
a.contact-row:hover { background: var(--ink-750); }
a.contact-row:hover .contact-row__value { color: var(--signal); }
.contact-row__icon {
  width: 34px; height: 34px;
  display: grid; place-content: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--ink-800);
  color: var(--signal);
}
.contact-row__icon svg { width: 15px; height: 15px; }
.contact-row__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--sp-2);
}
.contact-row__value {
  display: block;
  font-size: var(--step-1);
  letter-spacing: -0.015em;
  color: var(--text);
  line-height: 1.35;
  transition: color 0.25s var(--ease);
  overflow-wrap: anywhere;
}
.contact-row__note {
  display: block;
  margin-top: var(--sp-2);
  font-size: var(--step--2);
  color: var(--text-mute);
}
.contact-row__value address { font-style: normal; }

/* --------------------------------------------------------------------------
   23. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--ink-1000);
  border-top: 1px solid var(--line);
  padding-block: var(--sp-8) var(--sp-6);
  position: relative;
  z-index: 1;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: var(--sp-6);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 860px) { .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: minmax(0, 1fr); } }
.footer h4 {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--sp-4);
  font-weight: 400;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: var(--sp-3); }
.footer li a { font-size: var(--step--1); color: var(--text-dim); transition: color 0.2s var(--ease); }
.footer li a:hover { color: var(--signal); }
.footer__blurb { font-size: var(--step--2); color: var(--text-mute); max-width: 34ch; margin-top: var(--sp-4); }
.footer__legal {
  padding-top: var(--sp-5);
  display: flex; flex-wrap: wrap; gap: var(--sp-4) var(--sp-6);
  justify-content: space-between; align-items: flex-start;
}
.footer__disclaimer { font-size: var(--step--2); color: var(--text-faint); max-width: 74ch; line-height: 1.65; }
.footer__copy { font-size: var(--step--2); color: var(--text-faint); font-family: var(--font-mono); letter-spacing: 0.06em; }

/* --------------------------------------------------------------------------
   24. Page header (interior pages)
   -------------------------------------------------------------------------- */
.pagehead {
  padding-block: clamp(2.75rem, 6vw, 5rem) clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.pagehead::after {
  content: "";
  position: absolute;
  top: -60%; right: -10%;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(53,214,165,0.075), transparent 62%);
  pointer-events: none;
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--sp-5);
}
.breadcrumb a { color: var(--text-mute); }
.breadcrumb a:hover { color: var(--signal); }
.breadcrumb span { margin-inline: 0.5em; }
.pagehead h1 { max-width: 22ch; }
.pagehead .lede { max-width: 60ch; }

/* Next/prev page nav */
.pagenav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
@media (max-width: 640px) { .pagenav { grid-template-columns: minmax(0, 1fr); } }
.pagenav a {
  background: var(--ink-900);
  padding: var(--sp-6) var(--gutter);
  transition: background-color 0.25s var(--ease);
}
.pagenav a:hover { background: var(--ink-800); }
.pagenav small {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: var(--sp-2);
}
.pagenav strong { font-size: var(--step-1); font-weight: 400; letter-spacing: -0.02em; color: var(--text); }
.pagenav a:hover strong { color: var(--signal); }

/* --------------------------------------------------------------------------
   25. Motion / reveal
   -------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.07s; }
[data-reveal][data-delay="2"] { transition-delay: 0.14s; }
[data-reveal][data-delay="3"] { transition-delay: 0.21s; }
[data-reveal][data-delay="4"] { transition-delay: 0.28s; }
[data-reveal][data-delay="5"] { transition-delay: 0.35s; }

/* Hero flow animation on the SVG data path */
.flowpath {
  stroke-dasharray: 5 9;
  animation: dash 3.4s linear infinite;
}
@keyframes dash { to { stroke-dashoffset: -140; } }

.pulse { animation: pulse 3.2s var(--ease) infinite; transform-origin: center; }
@keyframes pulse {
  0%, 100% { opacity: 0.35; r: 3; }
  50% { opacity: 1; r: 4.5; }
}

@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;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .bar-fill, .tam__bar::before { transform: scaleX(1); }
  .flywheel .fw-arc { stroke-dashoffset: 120; }
}

/* --------------------------------------------------------------------------
   26. Utilities
   -------------------------------------------------------------------------- */
.mt-0 { margin-top: 0; }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mt-7 { margin-top: var(--sp-7); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-5 { margin-bottom: var(--sp-5); }
.mb-6 { margin-bottom: var(--sp-6); }
.text-signal { color: var(--signal); }
.text-amber { color: var(--amber); }
.center { text-align: center; }
.center .lede, .center .measure { margin-inline: auto; }
.center .kicker { justify-content: center; }
.no-wrap { white-space: nowrap; }