/*
 * Hydra Systems Website V2
 * Static, public-safe design system. Status colour is always paired with text.
 */

:root {
  color-scheme: dark;

  /* Neutral operator-console palette. */
  --color-bg: #050607;
  --color-bg-elevated: #090b0d;
  --color-surface-1: #0d1013;
  --color-surface-2: #12161a;
  --color-surface-3: #181d22;
  --color-border: #2a333c;
  --color-border-strong: #46535f;
  --color-text: #f3f5f7;
  --color-text-muted: #aab2bb;
  --color-text-subtle: #858e98;

  /* Brand red is intentionally sparse. Semantic states use their own tokens. */
  --color-brand: #ff4d43;
  --color-brand-soft: rgb(255 77 67 / 12%);
  --color-info: #7ec6d3;
  --color-info-soft: rgb(126 198 211 / 12%);
  --color-safe: #5fe0a0;
  --color-safe-soft: rgb(95 224 160 / 11%);
  --color-warning: #e4b45d;
  --color-warning-soft: rgb(228 180 93 / 12%);
  --color-critical: #ff6b61;
  --color-critical-soft: rgb(255 107 97 / 12%);
  --color-focus: #9adfff;

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --font-size-lg: clamp(1.25rem, 1.08rem + 0.7vw, 1.625rem);
  --font-size-xl: clamp(1.75rem, 1.45rem + 1.2vw, 2.5rem);
  --font-size-hero: clamp(2.65rem, 1.9rem + 3.5vw, 5.6rem);

  --line-height-tight: 1.02;
  --line-height-heading: 1.15;
  --line-height-body: 1.65;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-pill: 999px;

  --shadow-subtle: 0 0.75rem 2rem rgb(0 0 0 / 22%);
  --shadow-elevated: 0 1.5rem 4rem rgb(0 0 0 / 34%);

  --content-width: 75rem;
  --content-width-wide: 86rem;
  --prose-width: 46rem;
  --header-height: 4.5rem;
  --target-size: 2.75rem;

  --motion-fast: 150ms;
  --motion-standard: 200ms;
  --motion-ease: cubic-bezier(0.2, 0, 0, 1);
}

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

html {
  background: var(--color-bg);
  scroll-padding-block-start: calc(var(--header-height) + var(--space-4));
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-block-size: 100vh;
  overflow-wrap: break-word;
  color: var(--color-text);
  background:
    radial-gradient(circle at 8% 0%, rgb(255 77 67 / 7%), transparent 25rem),
    radial-gradient(circle at 96% 5%, rgb(126 198 211 / 5%), transparent 22rem),
    linear-gradient(180deg, var(--color-bg), #080a0c 70%, var(--color-bg));
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgb(255 255 255 / 2.5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2.5%) 1px, transparent 1px);
  background-size: 5rem 5rem;
  content: "";
  mask-image: linear-gradient(to bottom, rgb(0 0 0 / 60%), transparent 65%);
  -webkit-mask-image: linear-gradient(to bottom, rgb(0 0 0 / 60%), transparent 65%);
  pointer-events: none;
}

main {
  min-block-size: 60vh;
}

img,
picture,
svg,
video,
canvas {
  display: block;
  max-inline-size: 100%;
}

img,
video {
  block-size: auto;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
summary {
  cursor: pointer;
}

a {
  color: var(--color-info);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 0.1875rem solid var(--color-focus);
  outline-offset: 0.1875rem;
}

::selection {
  color: var(--color-text);
  background: rgb(126 198 211 / 32%);
}

h1,
h2,
h3,
h4 {
  margin-block: 0;
  text-wrap: balance;
  line-height: var(--line-height-heading);
}

h1 {
  max-inline-size: 16ch;
  font-size: var(--font-size-hero);
  letter-spacing: -0.052em;
  line-height: var(--line-height-tight);
}

h2 {
  font-size: var(--font-size-xl);
  letter-spacing: -0.032em;
}

h3 {
  font-size: var(--font-size-lg);
  letter-spacing: -0.018em;
}

p,
ul,
ol,
dl,
figure,
blockquote {
  margin-block: 0;
}

ul,
ol {
  padding-inline-start: 1.25rem;
}

li + li {
  margin-block-start: var(--space-2);
}

code,
kbd,
samp,
pre {
  font-family: var(--font-mono);
}

code {
  overflow-wrap: anywhere;
}

hr {
  border: 0;
  border-block-start: 1px solid var(--color-border);
  margin-block: var(--space-12);
}

[hidden] {
  display: none !important;
}

.visually-hidden,
.sr-only {
  position: absolute !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  inline-size: 1px !important;
  block-size: 1px !important;
  padding: 0 !important;
  border: 0 !important;
  margin: -1px !important;
  white-space: nowrap !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  inset-block-start: var(--space-3);
  inset-inline-start: var(--space-3);
  min-block-size: var(--target-size);
  padding: 0.65rem 1rem;
  border: 2px solid var(--color-focus);
  border-radius: var(--radius-md);
  color: var(--color-bg);
  background: var(--color-focus);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-180%);
}

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

.container,
.wrap {
  inline-size: min(var(--content-width), calc(100% - clamp(2rem, 6vw, 5rem)));
  margin-inline: auto;
}

.container--wide {
  inline-size: min(var(--content-width-wide), calc(100% - clamp(2rem, 6vw, 5rem)));
  margin-inline: auto;
}

.prose {
  max-inline-size: var(--prose-width);
}

.prose > * + *,
.flow > * + * {
  margin-block-start: var(--flow-space, var(--space-5));
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--stack-space, var(--space-5));
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--cluster-space, var(--space-3));
}

.grid,
.auto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: var(--grid-gap, var(--space-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));
}

.text-muted {
  color: var(--color-text-muted);
}

.text-subtle {
  color: var(--color-text-subtle);
}

.mono {
  font-family: var(--font-mono);
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  max-inline-size: 100%;
  color: var(--color-info);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before,
.kicker::before {
  flex: 0 0 auto;
  inline-size: 0.5rem;
  block-size: 0.5rem;
  border-radius: 50%;
  background: var(--color-brand);
  content: "";
}

/* Header and navigation */

.site-header {
  position: sticky;
  z-index: 100;
  inset-block-start: 0;
  border-block-end: 1px solid var(--color-border);
  background: rgb(5 6 7 / 92%);
  box-shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 12%);
  backdrop-filter: blur(0.8rem);
}

.site-header__inner {
  display: flex;
  min-block-size: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-brand,
.brand {
  display: inline-flex;
  min-inline-size: 0;
  min-block-size: var(--target-size);
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 800;
  text-decoration: none;
}

.site-brand__mark,
.brand-mark,
.brand__mark {
  position: relative;
  flex: 0 0 auto;
  inline-size: 0.875rem;
  block-size: 0.875rem;
  border-radius: 50%;
  background: var(--color-brand);
  box-shadow: 0 0 0 0.375rem rgb(255 77 67 / 10%);
}

.site-brand__text,
.brand-text,
.brand__text {
  min-inline-size: 0;
  line-height: 1.15;
}

.site-brand__text small,
.brand-text small,
.brand__text small {
  display: block;
  overflow: hidden;
  margin-block-start: var(--space-1);
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.055em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav,
[data-primary-nav] {
  min-inline-size: 0;
}

.site-nav__list,
.site-nav > ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-1);
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-nav__list > li,
.site-nav > ul > li {
  margin: 0;
}

.site-nav__link,
.site-nav > ul a {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
  padding-inline: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"],
.site-nav > ul a:hover,
.site-nav > ul a[aria-current="page"] {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.site-nav__link--cta,
.site-nav__cta a {
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  background: var(--color-surface-2);
}

.nav-toggle,
[data-nav-toggle] {
  display: none;
  min-inline-size: var(--target-size);
  min-block-size: var(--target-size);
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-surface-1);
}

.nav-toggle__icon {
  display: grid;
  inline-size: 1.25rem;
  gap: 0.25rem;
}

.nav-toggle__icon > span {
  display: block;
  inline-size: 100%;
  block-size: 2px;
  background: currentColor;
}

/* Page composition */

.hero {
  display: block;
  padding-block: clamp(var(--space-12), 9vw, 7.5rem) clamp(var(--space-12), 6vw, var(--space-20));
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.92fr);
  align-items: center;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}

.hero__narrow,
.hero--single {
  max-inline-size: 62rem;
}

.hero__copy > * + *,
.hero__content > * + *,
.hero__narrow > * + * {
  margin-block-start: var(--space-5);
}

.hero__lead,
.lead {
  max-inline-size: 43rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
}

.truth-boundary {
  max-inline-size: 44rem;
  padding-inline-start: var(--space-4);
  border-inline-start: 3px solid var(--color-warning);
  color: var(--color-text-muted);
}

.hero__truth {
  max-inline-size: 44rem;
  padding: var(--space-4);
  border: 1px solid rgb(255 107 97 / 45%);
  border-inline-start-width: 0.25rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: var(--color-critical-soft);
}

.hero--inner {
  padding-block-start: clamp(var(--space-10), 7vw, var(--space-20));
}

.architecture-panel {
  overflow: hidden;
  min-inline-size: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgb(126 198 211 / 3%) 25%, transparent 25%) 0 0 / 1.5rem 1.5rem,
    var(--color-surface-1);
  box-shadow: var(--shadow-elevated);
}

.architecture-panel__label {
  padding: var(--space-4) var(--space-5);
  border-block-end: 1px solid var(--color-border);
  color: var(--color-text-subtle);
  background: var(--color-bg-elevated);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.architecture-panel ol {
  padding: var(--space-3) var(--space-5);
  list-style: none;
}

.architecture-panel li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-block-end: 1px solid var(--color-border);
}

.architecture-panel li:last-child {
  border-block-end: 0;
}

.architecture-panel li > span,
.capability-grid article > span {
  color: var(--color-info);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
  text-transform: uppercase;
}

.architecture-panel li > div {
  display: grid;
  gap: var(--space-1);
}

.architecture-panel small {
  color: var(--color-text-subtle);
}

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

.section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
  border-block-start: 1px solid rgb(42 51 60 / 65%);
}

.section--quiet {
  border-block-start: 0;
}

.section--surface {
  background: linear-gradient(180deg, rgb(255 255 255 / 2%), transparent),
    var(--color-bg-elevated);
}

.section--ruled {
  background-image: linear-gradient(90deg, transparent, rgb(126 198 211 / 4%), transparent);
}

.section--cta {
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}

.section-heading {
  display: grid;
  max-inline-size: 52rem;
  gap: var(--space-4);
  margin-block-end: clamp(var(--space-8), 5vw, var(--space-12));
}

.section-heading p {
  max-inline-size: var(--prose-width);
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-border);
}

.capability-grid article {
  min-inline-size: 0;
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  background: var(--color-surface-1);
}

.capability-grid h2,
.capability-grid h3 {
  margin-block: var(--space-5) var(--space-3);
  font-size: var(--font-size-md);
}

.capability-grid p,
.quiet-panel p,
.audience-statement p:not(.kicker) {
  color: var(--color-text-muted);
}

.quiet-panel {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: var(--space-5);
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  border: 1px solid var(--color-border);
  border-block-start: 2px solid var(--color-info);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--color-info-soft), transparent 60%);
}

.audience-statement {
  display: grid;
  max-inline-size: 62rem;
  gap: var(--space-5);
}

.audience-statement h2 {
  font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-2xl));
}

.panel,
.card,
.product-card,
.stack-card,
.research-card,
.cta-panel {
  min-inline-size: 0;
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgb(255 255 255 / 2.5%), transparent),
    var(--color-surface-1);
}

.panel--elevated,
.cta-panel {
  box-shadow: var(--shadow-subtle);
}

.card > * + *,
.product-card > * + *,
.stack-card > * + *,
.research-card > * + *,
.cta-panel > * + * {
  margin-block-start: var(--space-4);
}

.card p,
.product-card p,
.stack-card p,
.research-card p {
  color: var(--color-text-muted);
}

.card__meta {
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.split-layout,
.path-grid,
.form-layout,
.faq-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}

.split-layout--narrow,
.faq-layout {
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
}

.split-layout > *,
.path-grid > *,
.form-layout > *,
.faq-layout > * {
  min-inline-size: 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.cta-panel > div:first-child {
  max-inline-size: 48rem;
}

.cta-panel h2 {
  margin-block: var(--space-3);
}

.button-group,
.cta,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.button,
.btn {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-surface-2);
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition:
    border-color var(--motion-fast) var(--motion-ease),
    background-color var(--motion-fast) var(--motion-ease),
    color var(--motion-fast) var(--motion-ease),
    transform var(--motion-fast) var(--motion-ease);
}

.button:hover,
.btn:hover {
  border-color: var(--color-info);
  color: var(--color-text);
  background: var(--color-surface-3);
  transform: translateY(-1px);
}

.button--primary,
.btn.primary {
  border-color: var(--color-info);
  color: #061013;
  background: var(--color-info);
}

.button--primary:hover,
.btn.primary:hover {
  border-color: var(--color-text);
  color: #050607;
  background: var(--color-text);
}

.button--secondary,
.btn.secondary {
  color: var(--color-text-muted);
}

.button--quiet {
  border-color: transparent;
  background: transparent;
}

.button:disabled,
.button[aria-disabled="true"],
.btn:disabled,
.btn[aria-disabled="true"] {
  border-color: var(--color-border);
  color: var(--color-text-subtle);
  background: var(--color-surface-1);
  cursor: not-allowed;
  opacity: 0.8;
  transform: none;
}

/* Static posture and terminal surfaces. */

.posture-strip {
  padding-block: var(--space-4);
  border-block: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.posture-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.posture-strip__label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 800;
}

.posture-strip__inner > p {
  flex: 1 1 24rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.posture-strip__inner > a {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
  flex: 0 0 auto;
  font-size: var(--font-size-sm);
  font-weight: 800;
}

.posture-grid,
.terminal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: var(--space-3);
}

.posture-item {
  min-inline-size: 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 1.8%);
}

.posture-item dt,
.terminal-field dt {
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.posture-item dd,
.terminal-field dd {
  margin: var(--space-2) 0 0;
  overflow-wrap: anywhere;
  color: var(--color-text);
  font-weight: 800;
}

.terminal-panel {
  overflow: hidden;
  min-inline-size: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: #07090a;
  box-shadow: var(--shadow-elevated);
}

.terminal-panel__header {
  display: flex;
  min-block-size: var(--target-size);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-block-end: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface-1);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.terminal-panel__label {
  min-inline-size: 0;
  overflow-wrap: anywhere;
}

.terminal-panel__body {
  padding: clamp(var(--space-4), 3vw, var(--space-6));
  font-family: var(--font-mono);
  font-size: clamp(0.76rem, 0.72rem + 0.2vw, 0.875rem);
}

.terminal-field {
  min-inline-size: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 1.5%);
}

.terminal-note {
  margin-block-start: var(--space-4);
  color: var(--color-text-subtle);
  font-size: var(--font-size-xs);
}

.status-chip,
.evidence-badge,
.verdict-badge {
  display: inline-flex;
  min-block-size: 1.875rem;
  align-items: center;
  gap: var(--space-2);
  max-inline-size: 100%;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-surface-1);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.035em;
  line-height: 1.3;
  text-transform: uppercase;
}

.status-chip [data-status-icon],
.evidence-badge [data-status-icon],
.verdict-badge [data-status-icon],
.status-chip__mark {
  flex: 0 0 auto;
}

.status-chip__mark {
  inline-size: 0.45rem;
  block-size: 0.45rem;
  border-radius: 50%;
  background: currentColor;
}

.status-chip--info,
.evidence-badge--info,
.verdict-badge--info {
  border-color: rgb(126 198 211 / 58%);
  color: #b8edf5;
  background: var(--color-info-soft);
}

.status-chip--safe,
.evidence-badge--safe,
.verdict-badge--safe {
  border-color: rgb(95 224 160 / 58%);
  color: #a7f2ca;
  background: var(--color-safe-soft);
}

.status-chip--warning,
.evidence-badge--warning,
.verdict-badge--warning {
  border-color: rgb(228 180 93 / 62%);
  color: #f2cf8d;
  background: var(--color-warning-soft);
}

.status-chip--critical,
.evidence-badge--critical,
.verdict-badge--critical {
  border-color: rgb(255 107 97 / 62%);
  color: #ffaaa4;
  background: var(--color-critical-soft);
}

:where(.status-chip, .evidence-badge, .verdict-badge)[data-tone="info"] {
  border-color: rgb(126 198 211 / 58%);
  color: #b8edf5;
  background: var(--color-info-soft);
}

:where(.status-chip, .evidence-badge, .verdict-badge)[data-tone="safe"] {
  border-color: rgb(95 224 160 / 58%);
  color: #a7f2ca;
  background: var(--color-safe-soft);
}

:where(.status-chip, .evidence-badge, .verdict-badge)[data-tone="warning"] {
  border-color: rgb(228 180 93 / 62%);
  color: #f2cf8d;
  background: var(--color-warning-soft);
}

:where(.status-chip, .evidence-badge, .verdict-badge)[data-tone="critical"] {
  border-color: rgb(255 107 97 / 62%);
  color: #ffaaa4;
  background: var(--color-critical-soft);
}

[data-posture][data-freshness="review-required"] [data-posture-current-only],
[data-public-posture][data-freshness="review-required"] [data-posture-current-only],
[data-posture-widget][data-freshness="review-required"] [data-posture-current-only] {
  display: none !important;
}

[data-posture][data-freshness="current"] [data-posture-review-only],
[data-public-posture][data-freshness="current"] [data-posture-review-only],
[data-posture-widget][data-freshness="current"] [data-posture-review-only] {
  display: none !important;
}

/* Product, evidence, and concept surfaces. */

.system-flow {
  padding: 0;
  counter-reset: system-flow;
  list-style: none;
}

.system-flow > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-block-end: 1px solid var(--color-border);
  counter-increment: system-flow;
}

.system-flow > li::before {
  display: grid;
  inline-size: 2rem;
  block-size: 2rem;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-info);
  background: var(--color-surface-1);
  content: counter(system-flow, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
}

.concept-preview,
.placeholder-panel {
  position: relative;
  overflow: hidden;
  min-inline-size: 0;
  padding: clamp(var(--space-5), 4vw, var(--space-10));
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgb(126 198 211 / 3%) 25%, transparent 25%) 0 0 / 1.5rem 1.5rem,
    var(--color-surface-1);
}

.concept-preview__label,
.placeholder-panel__label {
  display: inline-flex;
  gap: var(--space-2);
  margin-block-end: var(--space-5);
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}

.concept-panel {
  min-block-size: 7rem;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: rgb(5 6 7 / 72%);
}

.concept-grid > .concept-panel,
.concept-preview__grid > .concept-panel {
  grid-column: span 4;
}

.concept-panel--wide {
  grid-column: 1 / -1;
}

.concept-panel__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.concept-panel__header h3 {
  font-size: var(--font-size-md);
}

.concept-panel__skeleton {
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-5);
}

.concept-panel__skeleton > span {
  display: block;
  inline-size: 100%;
  block-size: 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--color-border);
}

.concept-panel__skeleton > span:nth-child(2) {
  inline-size: 76%;
}

.concept-panel__skeleton > span:nth-child(3) {
  inline-size: 48%;
}

.concept-panel > p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.concept-panel__title {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 800;
}

.empty-state {
  display: grid;
  min-block-size: 9rem;
  place-content: center;
  gap: var(--space-2);
  padding: var(--space-6);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
}

.truth-callout,
.disclosure-banner {
  padding: var(--space-5);
  border: 1px solid var(--color-border-strong);
  border-inline-start: 0.25rem solid var(--color-info);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: var(--color-surface-1);
}

.truth-callout[data-tone="warning"],
.disclosure-banner[data-tone="warning"],
.truth-callout--warning,
.disclosure-banner--warning {
  border-inline-start-color: var(--color-warning);
  background: linear-gradient(90deg, var(--color-warning-soft), transparent 60%),
    var(--color-surface-1);
}

.truth-callout[data-tone="critical"],
.disclosure-banner[data-tone="critical"],
.truth-callout--critical,
.disclosure-banner--critical {
  border-inline-start-color: var(--color-critical);
  background: linear-gradient(90deg, var(--color-critical-soft), transparent 60%),
    var(--color-surface-1);
}

.truth-callout strong,
.disclosure-banner strong {
  color: var(--color-text);
}

.truth-callout__title {
  margin-block-end: var(--space-2);
  color: var(--color-text);
  font-weight: 800;
}

.table-scroll {
  overflow-x: auto;
  max-inline-size: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

table {
  inline-size: 100%;
  min-inline-size: 42rem;
  border-collapse: collapse;
  color: var(--color-text-muted);
  background: var(--color-surface-1);
  text-align: start;
}

caption {
  padding: var(--space-4);
  color: var(--color-text);
  font-weight: 800;
  text-align: start;
}

th,
td {
  padding: var(--space-4);
  border-block-start: 1px solid var(--color-border);
  vertical-align: top;
  text-align: start;
}

th {
  color: var(--color-text);
  background: var(--color-surface-2);
  font-size: var(--font-size-sm);
}

tbody tr:hover {
  background: rgb(255 255 255 / 1.8%);
}

.breadcrumbs {
  padding-block: var(--space-4);
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  margin: 0;
}

.breadcrumbs li:not(:last-child)::after {
  margin-inline-start: var(--space-2);
  color: var(--color-border-strong);
  content: "/";
}

.breadcrumbs a {
  min-block-size: var(--target-size);
  display: inline-flex;
  align-items: center;
}

/* FAQ */

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

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

.faq-list summary {
  display: flex;
  min-block-size: var(--target-size);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  color: var(--color-text);
  font-weight: 800;
  list-style: none;
}

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

.faq-list summary::after {
  flex: 0 0 auto;
  color: var(--color-info);
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
}

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

.faq-list details > :not(summary) {
  max-inline-size: var(--prose-width);
  padding-block-end: var(--space-6);
  color: var(--color-text-muted);
}

/* Forms */

.form {
  display: grid;
  gap: var(--space-6);
  max-inline-size: 52rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.form-field,
[data-field] {
  display: grid;
  min-inline-size: 0;
  gap: var(--space-2);
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label,
.form-field legend,
[data-field] > label,
[data-field] > legend {
  color: var(--color-text);
  font-weight: 800;
}

.required-marker {
  color: var(--color-warning);
}

.form-hint {
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
}

fieldset {
  min-inline-size: 0;
  padding: 0;
  border: 0;
  margin: 0;
}

input,
select,
textarea {
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: var(--target-size);
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: #090c0f;
}

textarea {
  min-block-size: 8rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-subtle);
  opacity: 1;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-text-subtle);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-critical);
  box-shadow: 0 0 0 1px var(--color-critical);
}

input:disabled,
select:disabled,
textarea:disabled {
  color: var(--color-text-subtle);
  background: var(--color-surface-1);
  cursor: not-allowed;
  opacity: 0.82;
}

.choice-list {
  display: grid;
  gap: var(--space-2);
}

.choice {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  min-block-size: var(--target-size);
  align-items: start;
  gap: var(--space-3);
  padding-block: var(--space-2);
  color: var(--color-text-muted);
}

.choice input {
  inline-size: 1.25rem;
  min-inline-size: 1.25rem;
  block-size: 1.25rem;
  min-block-size: 1.25rem;
  padding: 0;
  margin-block-start: 0.2rem;
  accent-color: var(--color-info);
}

.form-field__error {
  color: #ffaaa4;
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.error-summary {
  padding: var(--space-5);
  border: 1px solid var(--color-critical);
  border-inline-start-width: 0.25rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: var(--color-critical-soft);
}

.error-summary__title {
  color: var(--color-text);
  font-weight: 800;
}

.error-summary ul {
  margin-block-start: var(--space-3);
}

.error-summary a {
  color: #ffc1bd;
}

.form-status {
  padding: var(--space-4);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: var(--color-warning-soft);
}

.form-preview-notice {
  padding: var(--space-4);
  border-inline-start: 0.25rem solid var(--color-warning);
  color: var(--color-text-muted);
  background: var(--color-surface-1);
}

.form-honeypot {
  position: absolute !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  inline-size: 1px !important;
  block-size: 1px !important;
  white-space: nowrap !important;
}

.js-only {
  display: none !important;
}

.js .js-only {
  display: revert !important;
}

.js .no-js-only {
  display: none !important;
}

/* Footer */

.site-footer {
  padding-block: var(--space-12);
  border-block-start: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(10rem, 0.7fr) minmax(0, 1fr);
  gap: var(--space-10);
}

.site-footer__grid--quiet {
  grid-template-columns: minmax(0, 1fr) minmax(18rem, auto);
}

.site-footer__grid--quiet .site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0 var(--space-2);
}

.brand--footer {
  margin-block-end: var(--space-4);
}

.site-footer__summary,
.site-footer__source p {
  max-inline-size: 34rem;
  color: var(--color-text-muted);
}

.site-footer__source > * + * {
  margin-block-start: var(--space-3);
}

.site-footer__nav {
  display: block;
}

.site-footer__nav > p,
.site-footer__source > p:first-child {
  margin-block-end: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer__nav ul {
  padding: 0;
  list-style: none;
}

.site-footer__nav li {
  margin: 0;
}

.site-footer__nav a {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
  color: var(--color-text-muted);
}

.site-footer__nav a:hover {
  color: var(--color-text);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block-start: var(--space-8);
  border-block-start: 1px solid var(--color-border);
  margin-block-start: var(--space-8);
  font-size: var(--font-size-sm);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block-start: var(--space-8);
  border-block-start: 1px solid var(--color-border);
  margin-block-start: var(--space-8);
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
}

/* Website V2 page compositions. These extend the reusable primitives above. */

[hidden] {
  display: none !important;
}

.hero {
  display: block;
  padding-block: clamp(var(--space-12), 8vw, 7rem);
}

.hero--home {
  padding-block-start: clamp(var(--space-12), 9vw, 8rem);
}

.hero--inner {
  padding-block-start: clamp(var(--space-8), 6vw, var(--space-20));
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(20rem, 0.94fr);
  align-items: center;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}

.hero__narrow {
  max-inline-size: 64rem;
}

.hero__content,
.hero__narrow {
  display: grid;
  min-inline-size: 0;
  justify-items: start;
  gap: var(--space-5);
}

.hero__content > *,
.hero__narrow > * {
  min-inline-size: 0;
  max-inline-size: 100%;
}

.hero__content .button-group {
  margin-block-start: var(--space-3);
}

.hero__truth {
  max-inline-size: 44rem;
  padding-inline-start: var(--space-4);
  border-inline-start: 3px solid var(--color-warning);
  color: var(--color-text-muted);
  font-weight: 700;
}

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

.eyebrow-row .eyebrow {
  margin: 0;
}

.section--surface {
  background: linear-gradient(180deg, rgb(255 255 255 / 1.8%), transparent),
    var(--color-bg-elevated);
}

.section--ruled {
  border-block: 1px solid var(--color-border);
  background: rgb(9 11 13 / 72%);
}

.section--cta {
  border-block-start: 1px solid var(--color-border-strong);
}

.section-heading__copy {
  max-inline-size: var(--prose-width);
}

.text-link,
.inline-links a {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
  font-weight: 800;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  margin-block-start: var(--space-6);
}

.fine-print,
.boundary-note {
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
}

.boundary-note {
  padding-inline-start: var(--space-4);
  border-inline-start: 2px solid var(--color-warning);
}

.terminal {
  overflow: hidden;
  min-inline-size: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: #07090a;
  box-shadow: var(--shadow-elevated);
}

.terminal__bar {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-block-end: 1px solid var(--color-border);
  background: var(--color-surface-1);
}

.terminal__bar span {
  inline-size: 0.55rem;
  block-size: 0.55rem;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.terminal__bar span:first-child {
  background: var(--color-critical);
}

.terminal__bar span:nth-child(2) {
  background: var(--color-warning);
}

.terminal__bar span:last-child {
  background: var(--color-safe);
}

.terminal__heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  border-block-end: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.terminal__rows {
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 0.64rem + 0.18vw, 0.79rem);
}

.terminal__rows > div {
  display: grid;
  grid-template-columns: minmax(9rem, 0.95fr) minmax(0, 1.05fr);
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-block-end: 1px solid rgb(42 51 60 / 60%);
}

.terminal__rows dt {
  min-inline-size: 0;
  overflow-wrap: anywhere;
  color: var(--color-text-subtle);
}

.terminal__rows dd {
  min-inline-size: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--color-info);
  font-weight: 800;
}

.terminal__foot {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.posture-board {
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
}

.posture-board dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-border);
}

.posture-board dl > div {
  min-inline-size: 0;
  padding: var(--space-4);
  background: var(--color-bg-elevated);
}

.posture-board dt {
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
}

.posture-board dd {
  margin: var(--space-2) 0 0;
  overflow-wrap: anywhere;
  font-weight: 800;
}

.posture-board > p {
  margin-block-start: var(--space-5);
  color: var(--color-text-muted);
}

.split-layout,
.path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}

.split-layout--narrow {
  grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.92fr);
}

.process-rail,
.timeline,
.evidence-ladder {
  padding: 0;
  list-style: none;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-block-end: var(--space-8);
  background: var(--color-border);
}

.process-rail--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-rail li {
  min-inline-size: 0;
  padding: var(--space-5);
  background: var(--color-surface-1);
}

.process-rail li > span,
.timeline li > span,
.doctrine-list article > span,
.principle-stack > div > span,
.contact-grid article > span {
  color: var(--color-info);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: 800;
}

.process-rail h3 {
  margin-block: var(--space-5) var(--space-2);
  font-size: var(--font-size-md);
}

.process-rail p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.evidence-ladder {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-border);
}

.evidence-ladder li {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  align-items: start;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--color-surface-1);
}

.evidence-ladder h3 {
  margin-block-end: var(--space-2);
  font-size: var(--font-size-md);
}

.evidence-ladder p {
  color: var(--color-text-muted);
}

.evidence-ladder .fine-print {
  margin-block-start: var(--space-2);
  color: var(--color-text-subtle);
}

.path-panel {
  display: grid;
  gap: var(--space-5);
  min-inline-size: 0;
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  border-block-start: 2px solid var(--color-info);
  background: linear-gradient(180deg, var(--color-info-soft), transparent 45%);
}

.path-panel + .path-panel {
  border-block-start-color: var(--color-warning);
  background: linear-gradient(180deg, var(--color-warning-soft), transparent 45%);
}

.check-list,
.boundary-list,
.issue-grid {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  list-style: none;
}

.check-list li,
.boundary-list li,
.issue-grid li {
  position: relative;
  padding-inline-start: 1.5rem;
  color: var(--color-text-muted);
}

.check-list li::before,
.boundary-list li::before,
.issue-grid li::before {
  position: absolute;
  inset-block-start: 0.55em;
  inset-inline-start: 0;
  inline-size: 0.5rem;
  block-size: 0.5rem;
  border: 1px solid var(--color-info);
  border-radius: 50%;
  content: "";
}

.boundary-list--blocked li::before {
  border-color: var(--color-critical);
  border-radius: 0;
  background: linear-gradient(45deg, transparent 43%, var(--color-critical) 44% 56%, transparent 57%);
}

.stack-grid,
.surface-comparison,
.contact-grid,
.offer-grid,
.platform-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.stack-grid article,
.surface-comparison article,
.contact-grid article,
.platform-groups > div {
  min-inline-size: 0;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
}

.stack-grid article > span,
.surface-comparison article > span {
  color: var(--color-info);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
}

.stack-grid h3,
.surface-comparison h3,
.contact-grid h2,
.platform-groups h3 {
  margin-block: var(--space-3);
  font-size: var(--font-size-lg);
}

.stack-grid p,
.surface-comparison p,
.contact-grid p,
.platform-groups p {
  color: var(--color-text-muted);
}

.stack-grid a,
.contact-grid a {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
  margin-block-start: var(--space-4);
  font-weight: 800;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.cta-panel > div:first-child {
  display: grid;
  max-inline-size: 48rem;
  gap: var(--space-3);
}

.cta-panel p:not(.kicker) {
  color: var(--color-text-muted);
}

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

.definition-list {
  display: grid;
  gap: var(--space-3);
}

.definition-list > div {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}

.definition-list dd {
  margin: 0;
  color: var(--color-text-muted);
}

.concept-window {
  overflow: hidden;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgb(126 198 211 / 3%) 25%, transparent 25%) 0 0 / 1.5rem 1.5rem,
    var(--color-bg);
}

.concept-window > header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  border-block-end: 1px dashed var(--color-border-strong);
  background: var(--color-surface-1);
}

.concept-window > header h2 {
  margin-block-start: var(--space-2);
  font-size: var(--font-size-lg);
}

.concept-window__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
}

.surface-comparison {
  margin-block-end: var(--space-8);
}

.alpha-facts,
.report-header {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-border);
}

.alpha-facts > div,
.report-header > div {
  min-inline-size: 0;
  padding: var(--space-5);
  background: var(--color-surface-1);
}

.alpha-facts span,
.report-header span {
  display: block;
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
}

.alpha-facts strong,
.report-header strong {
  display: block;
  margin-block: var(--space-2);
  overflow-wrap: anywhere;
}

.alpha-facts p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-3);
}

.timeline li {
  min-inline-size: 0;
  padding-block-start: var(--space-4);
  border-block-start: 2px solid var(--color-border-strong);
}

.timeline h3 {
  margin-block: var(--space-4) var(--space-2);
  font-size: var(--font-size-base);
}

.timeline p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}

.application-form {
  max-inline-size: none;
  padding: clamp(var(--space-5), 4vw, var(--space-8));
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
}

.form-state {
  padding: var(--space-4);
  border-inline-start: 0.25rem solid var(--color-warning);
  color: var(--color-text-muted);
  background: var(--color-warning-soft);
}

.fieldset {
  padding-block: var(--space-3);
  border-block: 1px solid var(--color-border);
}

.fieldset legend {
  margin-block-end: var(--space-3);
}

.choice--optional {
  border-block-start: 1px solid var(--color-border);
}

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

.offer-card {
  display: grid;
  grid-template-columns: minmax(10rem, 0.45fr) minmax(0, 1fr);
  gap: var(--space-5);
  min-inline-size: 0;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
}

.offer-card__price {
  margin-block-start: var(--space-2);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: 800;
}

.offer-card > p {
  color: var(--color-text-muted);
}

.offer-card .fine-print {
  grid-column: 2;
}

.secondary-service {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-6);
  border: 1px dashed var(--color-border-strong);
  margin-block-start: var(--space-5);
}

.secondary-service p {
  max-inline-size: 48rem;
  margin-block-start: var(--space-2);
  color: var(--color-text-muted);
}

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

.faq-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(10rem, 0.3fr) minmax(0, 1.7fr);
  align-items: start;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
}

.report-index {
  position: sticky;
  inset-block-start: calc(var(--header-height) + var(--space-5));
  padding: var(--space-5);
  border-inline-start: 2px solid var(--color-border-strong);
}

.report-index ol {
  margin-block-start: var(--space-3);
}

.report-index a {
  display: inline-flex;
  min-block-size: var(--target-size);
  align-items: center;
}

.report-content {
  display: grid;
  gap: var(--space-16);
}

.report-content > section {
  scroll-margin-block-start: calc(var(--header-height) + var(--space-5));
}

.report-content > section > * + * {
  margin-block-start: var(--space-4);
}

.report-content > section > p:not(.kicker) {
  max-inline-size: var(--prose-width);
  color: var(--color-text-muted);
}

.finding-list {
  display: grid;
  gap: var(--space-4);
}

.finding-list article {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
}

.finding-list h3 {
  margin-block: var(--space-4) var(--space-2);
  font-size: var(--font-size-md);
}

.finding-list p {
  color: var(--color-text-muted);
}

.principle-stack,
.doctrine-list,
.legal-copy,
.stack-detail {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-border);
}

.principle-stack > div,
.doctrine-list article,
.legal-copy > section,
.stack-detail > article {
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  background: var(--color-surface-1);
}

.principle-stack h3 {
  margin-block: var(--space-3) var(--space-2);
  font-size: var(--font-size-md);
}

.principle-stack p,
.doctrine-list p,
.legal-copy p {
  color: var(--color-text-muted);
}

.doctrine-list article {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: var(--space-5);
}

.doctrine-list h2 {
  margin-block-end: var(--space-3);
  font-size: var(--font-size-lg);
}

.stack-detail > article {
  display: grid;
  grid-template-columns: minmax(12rem, 0.4fr) minmax(0, 1.6fr);
  gap: clamp(var(--space-6), 5vw, var(--space-16));
  scroll-margin-block-start: calc(var(--header-height) + var(--space-5));
}

.stack-detail__meta {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: var(--space-4);
  font-family: var(--font-mono);
}

.stack-detail__meta > span {
  color: var(--color-info);
  font-size: var(--font-size-xl);
}

.stack-detail h2 {
  margin-block-end: var(--space-3);
}

.stack-detail .lead-copy {
  margin-block-end: var(--space-5);
  color: var(--color-text);
  font-size: var(--font-size-md);
}

.stack-detail .boundary-note,
.stack-detail .button {
  margin-block-start: var(--space-5);
}

.contact-grid article {
  display: grid;
  align-content: start;
}

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

.legal-copy {
  max-inline-size: 62rem;
  margin-inline: auto;
}

.legal-copy h2 {
  margin-block-end: var(--space-3);
  font-size: var(--font-size-lg);
}

.legal-copy p + p {
  margin-block-start: var(--space-3);
}

.legal-copy > .truth-callout {
  margin: var(--space-6);
}

.error-page {
  display: grid;
  min-block-size: 70vh;
  place-items: center;
  padding-block: var(--space-16);
}

.error-panel {
  display: grid;
  max-inline-size: 52rem;
  justify-items: start;
  gap: var(--space-5);
  padding: clamp(var(--space-6), 6vw, var(--space-16));
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  box-shadow: var(--shadow-elevated);
}

.error-panel p {
  color: var(--color-text-muted);
}

/* Responsive layout. Breakpoints are chosen to remain safe at 200% zoom. */

@media (max-width: 64rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__visual {
    max-inline-size: 48rem;
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .concept-grid > .concept-panel,
  .concept-preview__grid > .concept-panel {
    grid-column: span 6;
  }
}

@media (max-width: 56.25rem) {
  :root {
    --header-height: 4rem;
  }

  .site-header__inner {
    position: relative;
    flex-wrap: wrap;
    min-block-size: var(--header-height);
    padding-block: var(--space-2);
  }

  .js .nav-toggle,
  .js [data-nav-toggle] {
    display: inline-flex;
  }

  .site-nav,
  [data-primary-nav] {
    flex: 1 0 100%;
    inline-size: 100%;
    padding-block-end: var(--space-3);
  }

  .js :where(.site-nav, [data-primary-nav])[data-expanded="false"] {
    display: none;
  }

  .site-nav__list,
  .site-nav > ul {
    display: grid;
    inline-size: 100%;
    gap: var(--space-1);
  }

  .site-nav__link,
  .site-nav > ul a {
    inline-size: 100%;
    justify-content: flex-start;
    padding-inline: var(--space-4);
  }

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

@media (max-width: 48rem) {
  .posture-strip__inner > p {
    flex-basis: auto;
  }

  .grid--2,
  .grid--4,
  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .posture-strip__inner,
  .site-footer__legal,
  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .concept-grid > .concept-panel,
  .concept-preview__grid > .concept-panel,
  .concept-panel--wide {
    grid-column: 1 / -1;
  }

  .button-group,
  .cta,
  .cta-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button-group > .button,
  .cta > :where(.button, .btn),
  .cta-row > :where(.button, .btn) {
    inline-size: 100%;
  }
}

@media (max-width: 30rem) {
  .container,
  .container--wide,
  .wrap {
    inline-size: calc(100% - 2rem);
  }

  .site-brand__text small,
  .brand-text small,
  .brand__text small {
    max-inline-size: 12rem;
  }

  .hero {
    padding-block-start: var(--space-12);
  }

  .terminal-panel__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel,
  .card,
  .product-card,
  .stack-card,
  .research-card,
  .cta-panel,
  .concept-preview,
  .placeholder-panel {
    padding: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .button,
  .btn,
  .status-chip,
  .evidence-badge,
  .verdict-badge,
  input,
  select,
  textarea {
    border: 1px solid ButtonText;
  }

  :where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline-color: Highlight;
  }
}

@media print {
  .site-header,
  .site-footer,
  .skip-link,
  .nav-toggle,
  [data-nav-toggle],
  .button-group,
  .cta,
  .cta-row {
    display: none !important;
  }

  body {
    color: #111;
    background: #fff;
  }

  body::before {
    content: none;
  }

  a {
    color: inherit;
  }
}

@media (max-width: 72rem) {
  .process-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 64rem) {
  .hero__grid,
  .form-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .terminal {
    max-inline-size: 52rem;
  }

  .posture-board dl,
  .alpha-facts,
  .report-header {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 56.25rem) {
  .process-rail,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-layout,
  .split-layout--narrow,
  .path-grid,
  .faq-layout,
  .report-layout,
  .stack-detail > article {
    grid-template-columns: minmax(0, 1fr);
  }

  .stack-grid,
  .surface-comparison,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .report-index {
    position: static;
    border-block-start: 2px solid var(--color-border-strong);
    border-inline-start: 0;
  }

  .stack-detail__meta {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }
}

@media (max-width: 48rem) {
  .terminal__rows > div,
  .evidence-ladder li,
  .definition-list > div,
  .doctrine-list article,
  .offer-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .terminal__rows dd {
    margin-block-start: var(--space-1);
  }

  .posture-board dl,
  .alpha-facts,
  .report-header,
  .concept-window__grid,
  .stack-grid,
  .surface-comparison,
  .contact-grid,
  .offer-grid,
  .platform-groups,
  .issue-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .offer-card .fine-print {
    grid-column: auto;
  }

  .capability-grid,
  .contact-grid--two {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__grid--quiet .site-footer__nav ul {
    justify-content: flex-start;
  }

  .secondary-service,
  .cta-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .secondary-service .button,
  .cta-panel .button,
  .cta-panel .button-group {
    inline-size: 100%;
  }
}

@media (max-width: 30rem) {
  .process-rail,
  .timeline {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero h1 {
    font-size: clamp(2.25rem, 12vw, 3rem);
  }

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