@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/Vazirmatn-Medium.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

/* Owner-selected Persian display face. The Arabic-only range keeps Latin identifiers and email
   in their existing faces while headings receive Abar's intended forms. */
@font-face {
  font-family: "Abar Display";
  src: url("/fonts/Abar-High-FaNum-SemiBold-arabic-v2.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  unicode-range:
    U+0020, U+0600-06FF, U+0750-077F, U+08A0-08FF, U+200C-200D, U+FB50-FDFF, U+FE70-FEFF;
}

:root {
  color-scheme: light;
  --paper: #f3f3ef;
  --paper-2: #e9e9e3;
  --paper-3: #dfdfd7;
  --ink: #1c1f1e;
  --ink-2: #484d4b;
  --ink-3: #626865;
  --line: #ccccc3;
  --line-strong: #a9aaa2;
  --accent: #755b13;
  --accent-strong: #59430d;
  --accent-soft: #e7ddbd;
  --accent-ink: #ffffff;
  --good: #286d45;
  --good-soft: #d8e9de;
  --header: rgb(243 243 239 / 94%);
  --selection: #dfcf9b;
  --mark-filter: brightness(0) saturate(100%);
  --focus-offset: #f3f3ef;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #15181a;
    --paper-2: #1e2225;
    --paper-3: #272c2f;
    --ink: #e6e4de;
    --ink-2: #b5b3ac;
    --ink-3: #96958e;
    --line: #343a3d;
    --line-strong: #565c5e;
    --accent: #d2b24e;
    --accent-strong: #ead173;
    --accent-soft: #2e2917;
    --accent-ink: #15181a;
    --good: #7cc49a;
    --good-soft: #1b2f24;
    --header: rgb(21 24 26 / 94%);
    --selection: #55491f;
    --mark-filter: none;
    --focus-offset: #15181a;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #15181a;
  --paper-2: #1e2225;
  --paper-3: #272c2f;
  --ink: #e6e4de;
  --ink-2: #b5b3ac;
  --ink-3: #96958e;
  --line: #343a3d;
  --line-strong: #565c5e;
  --accent: #d2b24e;
  --accent-strong: #ead173;
  --accent-soft: #2e2917;
  --accent-ink: #15181a;
  --good: #7cc49a;
  --good-soft: #1b2f24;
  --header: rgb(21 24 26 / 94%);
  --selection: #55491f;
  --mark-filter: none;
  --focus-offset: #15181a;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Vazirmatn", Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  text-rendering: optimizeLegibility;
}

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

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

button,
a {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px var(--focus-offset);
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset-block-start: 12px;
  inset-inline-start: 12px;
  padding: 8px 12px;
  background: var(--accent);
  color: var(--accent-ink);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
}

.narrow {
  width: min(100% - 40px, 840px);
  margin-inline: auto;
}

.mono {
  direction: ltr;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  unicode-bidi: isolate;
}

main h1,
main h2,
main h3,
.statement-mark strong,
.evidence-item strong {
  font-family: "Abar Display", "Vazirmatn", Tahoma, sans-serif;
  font-weight: 600;
  font-feature-settings:
    "dlig" 0,
    "swsh" 0,
    "salt" 0;
  font-variant-ligatures: common-ligatures;
}

.abar-display-ready main h1,
.abar-display-ready main h2,
.abar-display-ready main h3,
.abar-display-ready .statement-mark strong,
.abar-display-ready .evidence-item strong {
  font-feature-settings:
    "dlig" 1,
    "swsh" 1,
    "salt" 1;
  font-variant-ligatures: discretionary-ligatures;
}

/* Abar's long word-ending tails stay off a final م, ک, ی or گ in every engine. The v2
   subset preserves required Arabic joining across these optional-feature spans. */
.abar-display-plain {
  font-feature-settings:
    "dlig" 0,
    "swsh" 0,
    "salt" 0;
  font-variant-ligatures: none;
}

.site-header {
  position: sticky;
  z-index: 50;
  inset-block-start: 0;
  border-block-end: 1px solid var(--line);
  background: var(--header);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-link {
  min-width: 108px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-link img {
  width: 104px;
  height: auto;
  filter: var(--mark-filter);
}

.site-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding-inline: 12px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-block-end: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-block-end-color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle,
.menu-toggle {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
}

/* A square of the header's 44px: a moon on the light page, a sun on the dark one, the view a
   press switches to. A press turns the leaving icon away and the arriving one in, the same way. */
.theme-toggle {
  display: none;
  inline-size: 44px;
  block-size: 44px;
  padding: 0;
  color: var(--ink-2);
}

.js .theme-toggle {
  display: inline-grid;
  place-items: center;
}

.theme-icon {
  grid-area: 1 / 1;
  inline-size: 20px;
  block-size: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle[data-shows="sun"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.4);
}

.theme-toggle[data-shows="moon"] .theme-icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.4);
}

@media (prefers-reduced-motion: no-preference) {
  .theme-toggle[data-animate] .theme-icon {
    transition:
      opacity 0.3s ease,
      transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
}

.theme-toggle:hover,
.menu-toggle:hover {
  border-color: var(--accent);
  color: var(--ink);
}

.menu-toggle {
  display: none;
  place-items: center;
  padding: 10px;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  width: 20px;
  height: 1px;
  display: block;
  background: currentColor;
  content: "";
}

.menu-toggle span {
  margin-block: 5px;
}

.button-primary,
.button-secondary {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.button-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--accent-soft);
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-weight: 500;
}

.text-link::after {
  content: "←";
}

.eyebrow,
.section-label,
.status-label {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.eyebrow,
.section-label {
  margin: 0;
}

.hero {
  min-height: calc(100svh - 77px);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: 24px;
  padding-block: 80px;
  border-block-end: 1px solid var(--line);
}

.hero-copy {
  grid-column: span 7;
  display: grid;
  align-content: center;
  gap: 24px;
}

.hero h1,
.page-hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(46px, 6.5vw, 76px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero h1 em,
.page-hero h1 em {
  color: var(--accent-strong);
  font-style: normal;
}

.hero-lede,
.page-lede {
  max-width: 62ch;
  margin: 0;
  color: var(--ink-2);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.9;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-footnote {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
}

.hero-footnote::before {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--good);
  content: "";
}

.hero-visual {
  grid-column: span 5;
}

.ecosystem-preview {
  min-height: 520px;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.preview-layer {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: stretch;
  border-block-start: 1px solid var(--line);
}

.preview-layer:first-child {
  border-block-start: 0;
}

.preview-index {
  display: flex;
  align-items: center;
  justify-content: center;
  border-inline-end: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 12px;
}

.preview-body {
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 24px;
}

.preview-body strong {
  font-size: 18px;
}

.preview-body span {
  color: var(--ink-2);
  font-size: 14px;
}

.preview-layer.is-current .preview-index {
  background: var(--good-soft);
  color: var(--good);
}

.preview-layer.is-network .preview-index {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.preview-layer::after {
  position: absolute;
  z-index: 2;
  inset-block-end: -7px;
  inset-inline-start: 48px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  transform: rotate(45deg);
  content: "";
}

.preview-layer:last-child::after {
  display: none;
}

.section {
  padding-block: 96px;
  border-block-end: 1px solid var(--line);
}

.section-compact {
  padding-block: 64px;
}

.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  margin-block-end: 48px;
}

.section-head .section-label {
  grid-column: span 3;
  padding-block-start: 8px;
}

.section-heading-group {
  grid-column: span 9;
  display: grid;
  gap: 16px;
}

.section-heading-group h2,
.statement h2,
.closing-band h2 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(32px, 4.4vw, 56px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.section-heading-group > p,
.statement > p {
  max-width: 65ch;
  margin: 0;
  color: var(--ink-2);
  font-size: 18px;
}

.argument-grid,
.principles-grid,
.solution-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block-start: 1px solid var(--line);
  border-inline-start: 1px solid var(--line);
}

.argument,
.principle,
.solution-card,
.pricing-card {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 28px;
  border-inline-end: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
  background: var(--paper);
}

.argument-index,
.principle-index {
  color: var(--accent-strong);
  font-size: 12px;
}

.argument h3,
.principle h3,
.solution-card h3,
.pricing-card h3,
.layer-copy h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.55;
}

.argument p,
.principle p,
.solution-card p,
.pricing-card p,
.layer-copy p {
  margin: 0;
  color: var(--ink-2);
}

.statement {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: 64px;
}

.statement-mark {
  min-height: 320px;
  display: grid;
  align-content: space-between;
  padding: 32px;
  border: 1px solid var(--line-strong);
  background: var(--accent-soft);
}

.statement-mark strong {
  max-width: 8ch;
  color: var(--accent-strong);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.2;
}

.statement-mark span {
  color: var(--ink-2);
}

.statement-copy {
  display: grid;
  gap: 24px;
}

.evidence-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block-start: 1px solid var(--line-strong);
  border-block-end: 1px solid var(--line-strong);
}

.evidence-item {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 28px 24px;
  border-inline-start: 1px solid var(--line);
}

.evidence-item:first-child {
  border-inline-start: 0;
}

.evidence-item strong {
  color: var(--accent-strong);
  font-size: 24px;
}

.evidence-item span {
  color: var(--ink-2);
  font-size: 14px;
}

.now-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.truth-panel {
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 32px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.truth-panel.is-next {
  border-style: dashed;
  background: var(--paper-2);
}

.truth-panel h2,
.truth-panel h3 {
  margin: 0;
  font-size: 24px;
}

.truth-panel ul,
.clean-list,
.pricing-card ul,
.solution-card ul,
.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.truth-panel li,
.clean-list li,
.pricing-card li,
.solution-card li {
  position: relative;
  padding-block: 8px;
  padding-inline-start: 20px;
  border-block-start: 1px solid var(--line);
  color: var(--ink-2);
}

.truth-panel li::before,
.clean-list li::before,
.pricing-card li::before,
.solution-card li::before {
  position: absolute;
  inset-block-start: 15px;
  inset-inline-start: 0;
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent);
  content: "";
}

.truth-panel.is-next li::before {
  border-style: dashed;
}

.closing-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
  padding-block: 72px;
}

.closing-band > div:first-child {
  display: grid;
  gap: 16px;
}

.closing-band p {
  max-width: 58ch;
  margin: 0;
  color: var(--ink-2);
}

.page-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  padding-block: 112px 80px;
  border-block-end: 1px solid var(--line);
}

.page-hero-copy {
  grid-column: 2 / span 9;
  display: grid;
  gap: 24px;
}

.page-hero h1 {
  max-width: 14ch;
}

.page-meta {
  grid-column: 2 / span 10;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-block-start: 48px;
  border-block-start: 1px solid var(--line);
}

.page-meta > div {
  display: grid;
  gap: 4px;
  padding-block: 20px;
  padding-inline: 20px;
  border-inline-start: 1px solid var(--line);
}

.page-meta > div:first-child {
  border-inline-start: 0;
}

.page-meta strong {
  font-size: 14px;
}

.page-meta span {
  color: var(--ink-3);
  font-size: 13px;
}

.layer-list {
  display: grid;
  border-block-start: 1px solid var(--line-strong);
}

.layer-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) minmax(0, 1.2fr);
  border-block-end: 1px solid var(--line);
}

.layer-number {
  display: grid;
  place-items: center;
  border-inline-end: 1px solid var(--line);
  color: var(--accent-strong);
  font-size: 13px;
}

.layer-copy,
.layer-items {
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 32px;
}

.layer-items {
  border-inline-start: 1px solid var(--line);
}

.layer-items span {
  display: block;
  padding-block: 6px;
  color: var(--ink-2);
}

.network-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.network-node {
  min-height: 180px;
  display: grid;
  align-content: space-between;
  gap: 20px;
  padding: 24px;
  border-inline-start: 1px solid var(--line);
  border-block-start: 1px solid var(--line);
}

.network-node:nth-child(-n + 3) {
  border-block-start: 0;
}

.network-node:nth-child(3n + 1) {
  border-inline-start: 0;
}

.network-node.is-core {
  background: var(--accent-soft);
}

.network-node.is-future {
  border-style: dashed;
  background: var(--paper-2);
}

.network-node strong {
  font-size: 18px;
}

.network-node small {
  color: var(--ink-3);
}

.status-label {
  width: fit-content;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 3px;
}

.status-label.current {
  color: var(--good);
}

.status-label.roadmap {
  border-style: dashed;
}

.solution-card,
.pricing-card {
  min-height: 100%;
}

.solution-card .card-top,
.pricing-card .card-top {
  display: grid;
  gap: 12px;
}

.solution-card .text-link,
.pricing-card .button-secondary,
.pricing-card .button-primary {
  align-self: end;
  margin-block-start: auto;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-card.featured {
  background: var(--accent-soft);
  border-block-start: 3px solid var(--accent);
}

.price-expression {
  padding-block: 16px;
  border-block-start: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
}

.price-expression strong {
  display: block;
  font-size: 18px;
}

.price-expression span {
  color: var(--ink-3);
  font-size: 13px;
}

.formula {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
}

.formula-item {
  position: relative;
  min-height: 160px;
  display: grid;
  align-content: space-between;
  gap: 20px;
  padding: 24px;
  border-inline-start: 1px solid var(--line);
}

.formula-item:first-child {
  border-inline-start: 0;
}

.formula-item:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  inset-block-start: 50%;
  inset-inline-end: -9px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--accent-strong);
  font-size: 12px;
  content: "+";
  transform: translateY(-50%);
}

.formula-item span {
  color: var(--ink-3);
  font-size: 12px;
}

.formula-item strong {
  font-size: 17px;
}

.faq-list {
  border-block-start: 1px solid var(--line-strong);
}

.faq-list details {
  border-block-end: 1px solid var(--line);
}

.faq-list summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 16px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 500;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  color: var(--accent-strong);
  content: "+";
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 68ch;
  padding-block: 0 24px;
  color: var(--ink-2);
}

.timeline {
  display: grid;
  border-block-start: 1px solid var(--line-strong);
}

.timeline-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  border-block-end: 1px solid var(--line);
}

.timeline-marker {
  display: grid;
  place-items: center;
  border-inline-end: 1px solid var(--line);
  color: var(--accent-strong);
  font-size: 12px;
}

.timeline-copy {
  display: grid;
  gap: 8px;
  padding: 28px;
}

.timeline-copy h3,
.timeline-copy p {
  margin: 0;
}

.timeline-copy p {
  max-width: 64ch;
  color: var(--ink-2);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
}

.contact-card,
.brief-card {
  display: grid;
  align-content: start;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.contact-email {
  direction: ltr;
  display: inline-block;
  color: var(--accent-strong);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: clamp(18px, 2.2vw, 26px);
  text-align: start;
  unicode-bidi: isolate;
}

.copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.copy-button {
  min-height: 44px;
  padding-inline: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
}

.copy-button:hover {
  border-color: var(--accent);
  color: var(--ink);
}

.copy-status {
  min-height: 1.9em;
  color: var(--good);
  font-size: 13px;
}

.step-list {
  counter-reset: steps;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-block-start: 1px solid var(--line);
}

.step-list li {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding-block: 20px;
  border-block-end: 1px solid var(--line);
  color: var(--ink-2);
}

.step-list li::before {
  color: var(--accent-strong);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  content: "0" counter(steps);
}

.site-footer {
  background: var(--paper-2);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.7fr);
  gap: 48px;
  padding-block: 64px;
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 16px;
}

.footer-brand img {
  width: 124px;
  height: auto;
  filter: var(--mark-filter);
}

.footer-brand p {
  max-width: 40ch;
  margin: 0;
  color: var(--ink-2);
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-column h2 {
  margin: 0;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 500;
}

.footer-list {
  display: grid;
  gap: 4px;
}

.footer-list a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ink-2);
  font-size: 14px;
}

.footer-base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 20px;
  border-block-start: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 12px;
}

.footer-base a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

@media (max-width: 980px) {
  .header-inner {
    flex-wrap: wrap;
    min-height: 68px;
  }

  .brand-link {
    margin-inline-end: auto;
  }

  .js .menu-toggle {
    display: grid;
  }

  .site-nav {
    order: 4;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 8px 16px;
    border-block-start: 1px solid var(--line);
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    justify-content: space-between;
    border-block-end: 1px solid var(--line);
  }

  .site-nav a[aria-current="page"] {
    border-block-end-color: var(--accent);
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-block: 72px;
  }

  .hero-copy,
  .hero-visual {
    grid-column: span 12;
  }

  .hero-visual {
    margin-block-start: 24px;
  }

  .ecosystem-preview {
    min-height: 420px;
  }

  .section-head .section-label,
  .section-heading-group {
    grid-column: span 12;
  }

  .argument-grid,
  .principles-grid,
  .solution-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .argument:last-child,
  .principle:last-child,
  .solution-card:last-child,
  .pricing-card:last-child {
    grid-column: span 2;
  }

  .evidence-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .evidence-item:nth-child(3) {
    border-inline-start: 0;
    border-block-start: 1px solid var(--line);
  }

  .evidence-item:nth-child(4) {
    border-block-start: 1px solid var(--line);
  }

  .formula {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .formula-item:nth-child(odd) {
    border-inline-start: 0;
  }

  .formula-item {
    border-block-start: 1px solid var(--line);
  }

  .formula-item:first-child,
  .formula-item:nth-child(2) {
    border-block-start: 0;
  }

  .formula-item::after {
    display: none !important;
  }

  .formula-item:last-child {
    grid-column: span 2;
  }

  .footer-main {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: span 3;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .container,
  .narrow {
    width: min(100% - 32px, 1200px);
  }

  .header-inner {
    gap: 8px;
  }

  .brand-link img {
    width: 92px;
  }

  .hero,
  .page-hero {
    padding-block: 56px;
  }

  .hero h1,
  .page-hero h1 {
    max-width: 100%;
    font-size: clamp(40px, 13vw, 58px);
  }

  .hero-lede,
  .page-lede {
    font-size: 17px;
  }

  .preview-layer {
    grid-template-columns: 64px 1fr;
  }

  .preview-layer::after {
    inset-inline-start: 32px;
  }

  .preview-body {
    padding: 20px;
  }

  .section {
    padding-block: 72px;
  }

  .section-compact {
    padding-block: 48px;
  }

  .section-head {
    margin-block-end: 32px;
  }

  .section-heading-group h2,
  .statement h2,
  .closing-band h2 {
    font-size: clamp(30px, 10vw, 42px);
  }

  .section-heading-group > p,
  .statement > p {
    font-size: 16px;
  }

  .argument-grid,
  .principles-grid,
  .solution-grid,
  .pricing-grid,
  .evidence-band,
  .now-next,
  .statement,
  .contact-layout,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .argument:last-child,
  .principle:last-child,
  .solution-card:last-child,
  .pricing-card:last-child,
  .footer-brand {
    grid-column: auto;
  }

  .statement {
    gap: 32px;
  }

  .statement-mark {
    min-height: 240px;
  }

  .evidence-item,
  .evidence-item:nth-child(3),
  .evidence-item:nth-child(4) {
    border-inline-start: 0;
    border-block-start: 1px solid var(--line);
  }

  .evidence-item:first-child {
    border-block-start: 0;
  }

  .closing-band {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 24px;
  }

  .page-hero-copy,
  .page-meta {
    grid-column: span 12;
  }

  .page-meta {
    grid-template-columns: 1fr;
  }

  .page-meta > div,
  .page-meta > div:first-child {
    border-inline-start: 0;
    border-block-start: 1px solid var(--line);
  }

  .layer-row {
    grid-template-columns: 64px 1fr;
  }

  .layer-items {
    grid-column: span 2;
    border-block-start: 1px solid var(--line);
    border-inline-start: 0;
    padding-inline-start: 80px;
  }

  .network-map {
    grid-template-columns: 1fr;
  }

  .network-node,
  .network-node:nth-child(-n + 3),
  .network-node:nth-child(3n + 1) {
    min-height: 150px;
    border-inline-start: 0;
    border-block-start: 1px solid var(--line);
  }

  .network-node:first-child {
    border-block-start: 0;
  }

  .formula {
    grid-template-columns: 1fr;
  }

  .formula-item,
  .formula-item:first-child,
  .formula-item:nth-child(2),
  .formula-item:nth-child(odd),
  .formula-item:last-child {
    grid-column: auto;
    border-inline-start: 0;
    border-block-start: 1px solid var(--line);
  }

  .formula-item:first-child {
    border-block-start: 0;
  }

  .timeline-row {
    grid-template-columns: 64px 1fr;
  }

  .timeline-copy,
  .argument,
  .principle,
  .solution-card,
  .pricing-card,
  .truth-panel,
  .contact-card,
  .brief-card {
    padding: 24px;
  }

  .footer-main {
    gap: 32px;
  }

  .footer-base {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .section-actions,
  .site-footer {
    display: none !important;
  }

  body,
  .site-footer {
    background: #ffffff;
    color: #111111;
  }

  .section,
  .hero,
  .page-hero {
    min-height: auto;
    padding-block: 32px;
  }
}