/* ==========================================================================
   Asynk IO — components
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

/* The header is fixed; the page content has to clear it. */
main {
  padding-top: var(--header-h);
}

button {
  font: inherit;
  color: inherit;
}

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

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.display {
  font-size: clamp(38px, 6.4vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.032em;
  font-weight: 600;
  margin: 0;
  text-wrap: balance;
}

.h2 {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.024em;
  font-weight: 600;
  margin: 0;
  text-wrap: balance;
}

.h3 {
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.25;
  letter-spacing: -0.014em;
  font-weight: 600;
  margin: 0;
}

.h4 {
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 600;
  margin: 0;
}

.lede {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
  max-width: 62ch;
}

.body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0;
}

.body--sm {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
}

.mono {
  font-family: var(--font-pixel);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mono--sm {
  font-size: 10px;
  letter-spacing: 0.09em;
}

.hand {
  font-family: var(--font-hand);
  font-size: 15px;
  line-height: 1.35;
  color: var(--ink-2);
}

.hl {
  background: var(--lime);
  color: var(--lime-ink);
  border-radius: var(--r-xs);
  padding: 0 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

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

.section {
  padding-block: clamp(56px, 7vw, 104px);
}

.section--tight {
  padding-block: clamp(40px, 5vw, 72px);
}

.stack {
  display: flex;
  flex-direction: column;
}

.gap-1 { gap: var(--s-1); }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }
.gap-4 { gap: var(--s-4); }
.gap-5 { gap: var(--s-5); }
.gap-6 { gap: var(--s-6); }
.gap-7 { gap: var(--s-7); }

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.between {
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   Pixel sprite usage
   -------------------------------------------------------------------------- */
.px {
  width: 24px;
  height: 24px;
  flex: none;
  color: var(--ink);
  shape-rendering: crispEdges;
  overflow: visible;
}

.px--sm { width: 16px; height: 16px; }
.px--md { width: 36px; height: 36px; }
.px--lg { width: 48px; height: 48px; }
.px--xl { width: 60px; height: 60px; }

.px--cyan { --px-accent: var(--cyan); }
.px--violet { --px-accent: var(--violet); }
.px--lime { --px-accent: var(--lime); }
.px--muted { color: var(--ink-3); }

.px-badge {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--line);
  flex: none;
}

.px-badge--lime { background: var(--lime-soft); border-color: var(--lime-shadow); }
.px-badge--cyan { background: var(--cyan-soft); }
.px-badge--violet { background: var(--violet-soft); }

.pixel-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-family: var(--font-pixel);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  height: 46px;
  padding-inline: 18px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.15s, box-shadow 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--lime);
  color: var(--lime-ink);
  box-shadow: var(--shadow-btn);
  font-weight: 700;
}

.btn--primary:hover {
  background: var(--lime-deep);
  transform: translateY(-1px);
  box-shadow: 0 6px 0 0 var(--lime-shadow);
}

.btn--primary:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 0 var(--lime-shadow);
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--line-2);
  color: var(--ink);
  box-shadow: var(--shadow-tile);
}

.btn--ghost:hover {
  background: var(--surface-2);
  border-color: var(--ink-3);
  transform: translateY(-1px);
}

.btn--quiet {
  height: auto;
  padding: 0;
  background: none;
  border: 0;
  color: var(--ink-2);
  gap: var(--s-1);
}

.btn--quiet:hover {
  color: var(--ink);
}

.btn--quiet .px {
  color: var(--ink-3);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn--quiet:hover .px {
  transform: translateY(2px);
  color: var(--ink);
}

.btn--sm {
  height: 38px;
  padding-inline: 14px;
  font-size: 10.5px;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Pills, chips, tags
   -------------------------------------------------------------------------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-tile);
  font-family: var(--font-pixel);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
  max-width: 100%;
}

@media (max-width: 430px) {
  .pill {
    font-size: 9px;
    letter-spacing: 0.05em;
    padding-inline: 9px;
  }
}

.pill--bare {
  background: none;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: var(--r-pill);
  background: var(--lime-deep);
  flex: none;
  position: relative;
}

.dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 1px solid var(--lime-deep);
  opacity: 0.5;
  animation: ping 2.4s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.dot--cyan { background: var(--cyan-bright); }
.dot--cyan::after { border-color: var(--cyan-bright); }

@keyframes ping {
  0% { transform: scale(0.7); opacity: 0.7; }
  70%, 100% { transform: scale(1.5); opacity: 0; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-pixel);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow--lime { color: var(--ink-3); }
.eyebrow--violet { color: var(--violet); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: var(--r-xs);
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-family: var(--font-pixel);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-2);
}

.tag--accent {
  background: var(--lime-soft);
  border-color: var(--lime-shadow);
  color: var(--lime-ink);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  min-width: 0;
}

/* The mark is an ink tile with the pixel chevrons in paper and the circuit
   trace in lime — the site's own two colours. It is rendered at exactly its
   grid size (36x33) so every cell lands on a whole pixel. */
.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--paper);
  --px-accent: var(--lime);
}

.brand__mark svg {
  width: 36px;
  height: 33px;
  shape-rendering: crispEdges;
}

.brand__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}

.brand__word {
  width: 88px;
  height: 23px;
  color: var(--ink);
  --px-accent: var(--ink);
  shape-rendering: crispEdges;
}

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

.brand__mark--lg {
  width: 46px;
  height: 46px;
}

.brand__mark--lg svg {
  width: 40px;
  height: 37px;
}

.brand__word--lg {
  width: 118px;
  height: 31px;
}

.brand__sub {
  display: block;
  margin-top: 4px;
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: none;
}

@media (min-width: 460px) {
  .brand__sub { display: block; }
}

.nav {
  display: none;
  align-items: center;
  gap: var(--s-5);
}

.nav a {
  position: relative;
  font-family: var(--font-pixel);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-block: 6px;
  white-space: nowrap;
  transition: color 0.15s;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--lime-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav a:hover {
  color: var(--ink);
}

.nav a:hover::after,
.nav a[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav a[aria-current="true"] {
  color: var(--ink);
}

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

.status {
  display: none;
  align-items: center;
  gap: var(--s-2);
  padding: 6px 10px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line);
  background: var(--surface);
  font-family: var(--font-pixel);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}

.menu-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  height: 40px;
  padding-inline: 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  font-family: var(--font-pixel);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.menu-btn:hover {
  border-color: var(--ink-3);
}

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 55;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer[data-open="true"] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.drawer ul {
  list-style: none;
  margin: 0;
  padding: var(--s-2) var(--gutter) var(--s-5);
  display: grid;
  gap: 2px;
}

.drawer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-pixel);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.drawer a:hover {
  color: var(--ink);
}

.drawer .mono {
  color: var(--ink-3);
}

/* The header CTA is the first thing to go when space runs out. */
.header__actions .btn {
  display: none;
}

@media (min-width: 620px) {
  .header__actions .btn { display: inline-flex; }
}

@media (min-width: 1240px) {
  .status { display: inline-flex; }
}

@media (min-width: 1180px) {
  .nav {
    display: flex;
    gap: 18px;
  }
  .menu-btn { display: none; }
  .drawer { display: none; }
}

@media (min-width: 1400px) {
  .nav { gap: 26px; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(24px, 3vw, 44px);
  padding-bottom: clamp(48px, 6vw, 88px);
  overflow: hidden;
}

/* Soft lime wash behind the hero, echoing the flat colour blocking. */
.hero::before {
  content: "";
  position: absolute;
  top: -260px;
  left: 50%;
  width: min(1180px, 130vw);
  height: 620px;
  transform: translateX(-50%);
  background: radial-gradient(
    50% 50% at 50% 50%,
    color-mix(in srgb, var(--lime) 34%, transparent) 0%,
    transparent 72%
  );
  pointer-events: none;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

/* With the status pill gone the ribbon holds only the discipline labels, which
   are right-aligned and hidden on narrow screens — the spacing lives on the
   labels so the empty ribbon costs nothing on mobile. */
.ribbon {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--s-3);
}

.ribbon__meta {
  display: none;
  align-items: center;
  gap: var(--s-4);
  padding-bottom: var(--s-6);
  font-family: var(--font-pixel);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.ribbon__sep {
  color: var(--line-2);
}

@media (min-width: 1000px) {
  .ribbon__meta { display: flex; }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3) var(--s-4);
  margin-top: var(--s-7);
}

/* Four scannable entry points under the hero, each linking to the detail. */
.quick {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  gap: var(--s-4);
  grid-template-columns: 1fr;
}

@media (min-width: 560px) {
  .quick { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .quick { grid-template-columns: repeat(4, 1fr); }
}

.quick__card {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s,
    border-color 0.2s;
}

.quick__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--line-2);
}

.quick__title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.012em;
}

.quick__note {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-3);
}

/* --------------------------------------------------------------------------
   Section header
   -------------------------------------------------------------------------- */
.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  margin-bottom: clamp(32px, 4vw, 56px);
}

.section__head .body,
.section__head .lede {
  max-width: 68ch;
}

@media (min-width: 900px) {
  .section__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--s-6);
  }
  .section__head > .section__title { max-width: 60%; }
}

.section__title {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  align-items: flex-start;
}

.section__meta {
  flex: none;
}

/* --------------------------------------------------------------------------
   Services grid
   -------------------------------------------------------------------------- */
.services {
  display: grid;
  gap: var(--s-4);
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .services { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1160px) {
  .services { grid-template-columns: repeat(3, 1fr); }
  /* Seven services in a three-column grid leaves one card alone on the last
     row; tinting it makes the ragged edge read as intentional. */
  .services > .service:last-child {
    background: var(--lime-soft);
    border-color: var(--lime-shadow);
  }
}

.service {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  overflow: hidden;
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.24s,
    border-color 0.24s;
}

.service::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--px-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.service:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: var(--line-2);
}

.service:hover::before {
  transform: scaleX(1);
}

.service--cyan { --px-accent: var(--cyan); }
.service--violet { --px-accent: var(--violet); }
.service--lime { --px-accent: var(--lime-deep); }
.service--ink { --px-accent: var(--ink); }

.service__title {
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.014em;
  font-weight: 600;
  margin: 0;
}

.service__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* Full-width close to the services section, on the brand's one dark surface. */
.statement {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  margin: clamp(32px, 4vw, 56px) 0 0;
  padding: var(--s-5) var(--s-6);
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--paper);
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.35;
  text-wrap: balance;
}

.statement .px {
  color: var(--lime);
  flex: none;
}

/* --------------------------------------------------------------------------
   Pipeline
   -------------------------------------------------------------------------- */
.panel {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  padding: clamp(24px, 3vw, 44px);
  overflow: hidden;
}

.panel--dots::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.7;
  pointer-events: none;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
}

.panel > * {
  position: relative;
}

.panel__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  margin-bottom: clamp(28px, 3.5vw, 48px);
}

@media (min-width: 900px) {
  .panel__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.stepper {
  display: grid;
  gap: var(--s-3);
  grid-template-columns: 1fr;
}

@media (min-width: 620px) {
  .stepper { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1160px) {
  .stepper { grid-template-columns: repeat(6, 1fr); }
}

.step {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--surface-2);
  transition: background-color 0.2s, border-color 0.2s, transform 0.2s;
}

.step:hover {
  background: var(--surface);
  border-color: var(--line-2);
  transform: translateY(-2px);
}

.step__n {
  font-family: var(--font-pixel);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.step__name {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.step__desc {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-2);
}

.step__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.topology {
  margin-top: clamp(24px, 3vw, 40px);
  padding: clamp(20px, 2.5vw, 32px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface-2);
  display: grid;
  gap: var(--s-6);
}

@media (min-width: 1000px) {
  .topology {
    grid-template-columns: 1fr minmax(320px, 420px);
    align-items: center;
  }
}

.topology__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-6);
  margin-top: var(--s-5);
}

.metric__k {
  display: block;
  font-family: var(--font-pixel);
  font-size: 9.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.metric__v {
  display: block;
  margin-top: 4px;
  font-family: var(--font-pixel);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.metric__v.cyan { color: var(--cyan); }
.metric__v.violet { color: var(--violet); }

.topology__diagram {
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: var(--s-3);
}

.topology__diagram svg {
  width: 100%;
  height: auto;
}

.topo-line {
  stroke: var(--line-2);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
  fill: none;
}

.topo-line--live {
  stroke: var(--cyan-bright);
  stroke-width: 2;
  stroke-dasharray: 40 360;
  fill: none;
  animation: trace 4s linear infinite;
}

@keyframes trace {
  from { stroke-dashoffset: 400; }
  to { stroke-dashoffset: 0; }
}

.topo-node { fill: var(--ink); }
.topo-node--lime { fill: var(--lime-deep); }
.topo-node--cyan { fill: var(--cyan-bright); }
.topo-node--violet { fill: var(--violet); }

.topo-label {
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 0.08em;
  fill: var(--ink-3);
}

/* --------------------------------------------------------------------------
   Protocol phases
   -------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------
   Value cards
   -------------------------------------------------------------------------- */
.phases {
  display: grid;
  gap: var(--s-4);
  grid-template-columns: 1fr;
}

@media (min-width: 620px) {
  .phases { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .phases { grid-template-columns: repeat(4, 1fr); }
}

.phase {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s;
}

.phase:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.phase__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.012em;
}

.phase__desc {
  margin: var(--s-3) 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.compliance {
  margin-top: var(--s-5);
  padding: var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}

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

.compliance__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.compliance__badges .tag {
  background: var(--surface);
  padding: 7px 11px;
  letter-spacing: 0.07em;
}

/* --------------------------------------------------------------------------
   Console
   -------------------------------------------------------------------------- */
.console {
  border-radius: var(--r-lg);
  border: 1px solid var(--term-line);
  background: var(--term-bg);
  box-shadow: var(--shadow-console);
  overflow: hidden;
  color: var(--term-ink);
}

.console__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: 12px 16px;
  background: var(--term-bg-2);
  border-bottom: 1px solid var(--term-line);
}

.console__lights {
  display: flex;
  align-items: center;
  gap: 7px;
}

.console__lights i {
  width: 11px;
  height: 11px;
  border-radius: var(--r-pill);
  background: var(--term-bg-3);
}

.console__lights i:nth-child(1) { background: #ff5f57; }
.console__lights i:nth-child(2) { background: #febc2e; }
.console__lights i:nth-child(3) { background: var(--term-lime); }

.console__title {
  margin-left: var(--s-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--term-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.console__barright {
  display: none;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--term-dim);
}

@media (min-width: 760px) {
  .console__barright { display: flex; }
}

.console__quick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  padding: 10px 16px;
  background: var(--term-bg-2);
  border-bottom: 1px solid var(--term-line);
}

.console__quick > .mono {
  color: var(--term-dim);
  margin-right: var(--s-1);
}

.cmd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: var(--r-xs);
  border: 1px solid var(--term-line);
  background: var(--term-bg-3);
  color: var(--term-lime);
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.cmd:hover {
  background: #23292f;
  border-color: #39414b;
}

.cmd--cyan { color: var(--term-cyan); }
.cmd--violet { color: var(--term-violet); }
.cmd--ink { color: var(--term-ink); }
.cmd--clear { margin-left: auto; color: var(--term-dim); }

.console__body {
  padding: var(--s-4) var(--s-4) var(--s-5);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  min-height: 300px;
  max-height: 460px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #39414b transparent;
}

.console__body::-webkit-scrollbar { width: 8px; }
.console__body::-webkit-scrollbar-thumb {
  background: #333b45;
  border-radius: 4px;
}

.line {
  white-space: pre-wrap;
  word-break: break-word;
}

.line--dim { color: var(--term-dim); }
.line--ok { color: var(--term-lime); }
.line--warn { color: #ffbd2e; }
.line--err { color: #ff7b72; }
.line--info { color: var(--term-cyan); }

.line--block {
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: var(--r-xs);
  border: 1px solid var(--term-line);
  border-left: 2px solid var(--term-lime);
  background: var(--term-bg-2);
  color: #c9ced6;
}

.line--block.line--info { border-left-color: var(--term-cyan); }
.line--block.line--err { border-left-color: #ff7b72; }

.prompt { color: var(--term-lime); font-weight: 600; }
.prompt__path { color: var(--term-cyan); }

.console__input {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 12px 16px;
  background: var(--term-bg-2);
  border-top: 1px solid var(--term-line);
  font-family: var(--font-mono);
  font-size: 12px;
}

.console__input input {
  flex: 1;
  min-width: 0;
  background: none;
  border: 0;
  color: var(--term-ink);
  font: inherit;
  letter-spacing: 0.02em;
}

.console__input input::placeholder { color: #5a616b; }
.console__input input:focus { outline: none; }

.console__run {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 12px;
  border-radius: var(--r-xs);
  border: 1px solid #2f6b46;
  background: rgba(207, 255, 85, 0.1);
  color: var(--term-lime);
  cursor: pointer;
  white-space: nowrap;
}

.console__run:hover {
  background: var(--term-lime);
  color: #10160a;
}

/* --------------------------------------------------------------------------
   Engagement
   -------------------------------------------------------------------------- */
.engage {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  padding: clamp(24px, 3.4vw, 52px);
  overflow: hidden;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.engage::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(
    50% 50% at 50% 50%,
    color-mix(in srgb, var(--lime) 42%, transparent),
    transparent 70%
  );
  pointer-events: none;
}

.engage > * {
  position: relative;
  z-index: 1;
}

@media (min-width: 1000px) {
  .engage { grid-template-columns: 1fr 1fr; align-items: start; }
}

.engage__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-5);
  margin-top: var(--s-5);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}

.form {
  display: grid;
  gap: var(--s-4);
  padding: clamp(18px, 2vw, 26px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.form__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--line);
}

.form__row {
  display: grid;
  gap: var(--s-4);
}

@media (min-width: 620px) {
  .form__row--2 { grid-template-columns: 1fr 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: var(--font-pixel);
  font-size: 9.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  padding: 11px 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field textarea {
  resize: vertical;
  min-height: 88px;
  line-height: 1.55;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-3);
  opacity: 0.75;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--lime) 55%, transparent);
}

.field[data-invalid="true"] input,
.field[data-invalid="true"] textarea,
.field[data-invalid="true"] select {
  border-color: var(--red);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--red) 14%, transparent);
}

.field__error {
  font-family: var(--font-pixel);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  min-height: 12px;
}

.form__status {
  display: none;
  align-items: flex-start;
  gap: var(--s-2);
  padding: 11px 13px;
  border-radius: var(--r-sm);
  border: 1px solid var(--lime-shadow);
  background: var(--lime-soft);
  font-family: var(--font-pixel);
  font-size: 10.5px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--lime-ink);
}

.form__status[data-visible="true"] { display: flex; }

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq {
  display: grid;
  gap: var(--s-3);
}

.faq__item {
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-tile);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq__item[open] {
  border-color: var(--line-2);
}

.faq__item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5);
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.faq__item > summary::-webkit-details-marker { display: none; }

.faq__item > summary:hover { background: var(--surface-2); }

.faq__chev {
  flex: none;
  color: var(--ink-3);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq__item[open] .faq__chev { transform: rotate(180deg); }

.faq__answer {
  margin: 0;
  padding: var(--s-4) var(--s-5) var(--s-5);
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 82ch;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  margin-top: clamp(48px, 6vw, 96px);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer__grid {
  display: grid;
  gap: var(--s-7);
  padding-block: clamp(40px, 5vw, 72px);
}

@media (min-width: 900px) {
  .footer__grid { grid-template-columns: 5fr 3fr 4fr; }
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-2) var(--s-4);
  font-size: 14px;
  color: var(--ink-2);
}

.footer__links a:hover { color: var(--cyan); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding-block: var(--s-5);
  border-top: 1px solid var(--line);
  font-family: var(--font-pixel);
  font-size: 9.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.footer__bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-5);
}

.footer__bottom a:hover { color: var(--ink); }

/* --------------------------------------------------------------------------
   Scroll reveal

   Armed by the head script, which adds `.reveal-on` only when the animation
   will actually run. So a no-JS render and a reduced-motion render both show
   every element — the hidden state is never applied.

   These are `animation`s rather than `transition`s on purpose: a transition on
   [data-reveal] would out-specify each component's own `transition`, and every
   card's hover lift would lose its timing.
   -------------------------------------------------------------------------- */
.reveal-on [data-reveal] {
  opacity: 0;
}

.reveal-on [data-reveal].is-revealed {
  animation: reveal-in 0.72s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--reveal-delay, 0ms);
}

@keyframes reveal-in {
  from {
    opacity: 0;
    translate: 0 22px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--surface);
  padding: 10px 16px;
  border-radius: var(--r-sm);
  font-family: var(--font-pixel);
  font-size: 11px;
}

.skip:focus {
  left: var(--gutter);
  top: 12px;
}

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

.annotation {
  display: none;
  align-items: flex-start;
  gap: var(--s-2);
  max-width: 230px;
  transform: rotate(-3deg);
}

.annotation .px {
  color: var(--ink-3);
  transform: rotate(-18deg);
}

@media (min-width: 1160px) {
  .annotation { display: flex; }
}

/* --------------------------------------------------------------------------
   Motion preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-on [data-reveal],
  .reveal-on [data-reveal].is-revealed {
    opacity: 1;
    animation: none;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}