/* Reset-ish + layout. Honest, minimal. */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* Skip link — hidden until focused, then slides in as a tab. */
.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent-glow);
  color: var(--bg-deep);
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transform: translateY(-200%);
  transition: transform var(--t-fast);
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--accent-memory);
  outline-offset: 2px;
}

/* Accessible focus rings — a consistent ring across all focusable elements,
   offset so it reads clearly against dark surfaces. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-glow);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Scroll-triggered reveal. Elements tagged with [data-reveal] start slightly
   translated and transparent, then slide+fade in when they intersect the
   viewport. IntersectionObserver handles the toggling; no library needed. */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms ease, transform 700ms ease;
  transition-delay: 80ms;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}
html {
  font-family: var(--font-body);
  color: var(--ink-primary);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
body {
  font-size: 1.0625rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Aurora — slow-drifting colour blobs behind every section.
   Fixed so they persist through scroll, blurred so they read as light,
   mixed with screen so they sum cleanly against the dark ground. */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.45;
  mix-blend-mode: screen;
  will-change: transform;
}
.aurora__blob--a {
  top: -18%; left: -12%;
  width: 46rem; height: 46rem;
  background: var(--accent-glow);
  animation: aurora-drift-a 32s ease-in-out infinite alternate;
}
.aurora__blob--b {
  top: 10%; right: -18%;
  width: 40rem; height: 40rem;
  background: var(--accent-memory);
  animation: aurora-drift-b 38s ease-in-out infinite alternate;
  opacity: 0.38;
}
.aurora__blob--c {
  bottom: -25%; left: 18%;
  width: 54rem; height: 54rem;
  background: var(--accent-warm);
  animation: aurora-drift-c 44s ease-in-out infinite alternate;
  opacity: 0.28;
}
.aurora__blob--d {
  top: 48%; left: 48%;
  width: 32rem; height: 32rem;
  background: var(--accent-green);
  animation: aurora-drift-d 50s ease-in-out infinite alternate;
  opacity: 0.22;
}
@keyframes aurora-drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(120px, 180px, 0) scale(1.15); }
}
@keyframes aurora-drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.05); }
  to   { transform: translate3d(-90px, 140px, 0) scale(0.95); }
}
@keyframes aurora-drift-c {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(80px, -130px, 0) scale(1.1); }
}
@keyframes aurora-drift-d {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-150px, -100px, 0) scale(1.2); }
}
@media (prefers-reduced-motion: reduce) {
  .aurora__blob { animation: none; }
}

/* Every content section needs to sit above the aurora layer. */
.nav, .section, .footer { position: relative; z-index: 2; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-6);
}
h1 { font-size: clamp(2.5rem, 5vw, 4.25rem); line-height: 1.05; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.15; }
h3 { font-size: 1.375rem; line-height: 1.3; font-weight: 600; }
p  { margin: 0 0 var(--space-4); max-width: var(--reading-max); }
p.lede {
  font-size: 1.25rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

code, .mono { font-family: var(--font-mono); font-size: 0.9em; }

/* Structural — page-level sections */
.section {
  padding: var(--space-24) var(--space-8);
  max-width: var(--content-max);
  margin: 0 auto;
  position: relative;
}
.section--hero {
  padding-top: var(--space-32);
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: none;                /* let the background image go edge-to-edge */
  padding-left: 0;
  padding-right: 0;
  overflow: hidden;
}
.section--hero .hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  width: 100%;
}

/* Hero backdrop — the Fireflies-style ambient image, full-bleed.
   Clipped to the hero section, positioned right-biased so the Kit cluster
   (warm glow on the right side of the source image) visually echoes the
   "This is Kit." headline. */
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/img/background.png');
  background-size: cover;
  background-position: 62% center;
  background-repeat: no-repeat;
  opacity: 1;
  z-index: 0;
}
/* Readability overlay — lighter than before so the background breathes.
   Just enough contrast for the copy on the left, almost nothing on the right. */
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(10,14,26,0.72) 0%,
      rgba(10,14,26,0.45) 40%,
      rgba(10,14,26,0.12) 75%,
      rgba(10,14,26,0) 100%),
    linear-gradient(180deg,
      rgba(10,14,26,0.25) 0%,
      rgba(10,14,26,0) 25%,
      rgba(10,14,26,0) 75%,
      rgba(10,14,26,0.45) 100%);
  z-index: 1;
}
.section--hero .hero { position: relative; z-index: 2; }
.section--tint {
  background: linear-gradient(180deg, transparent 0%, var(--bg-soft) 50%, transparent 100%);
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}
.section--tint > .inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-8);
  background: linear-gradient(180deg, rgba(10,14,26,0.85) 0%, rgba(10,14,26,0) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  font-size: 0.875rem;
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.nav__brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-glow);
  box-shadow: var(--glow-blue);
}
.nav__mark {
  color: #fbbf24;
  filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.45));
  animation: kit-breath 6s ease-in-out infinite;
}
/* Breathing — the sign should feel LIVING. Core pulses slightly in
   scale and glow; the whole mark inhales and exhales. Slower than a
   heartbeat, just enough that returning to the tab feels like the
   brain is on. Respects prefers-reduced-motion. */
@keyframes kit-breath {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.45));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.65));
  }
}
@media (prefers-reduced-motion: reduce) {
  .nav__mark { animation: none; }
}
.nav__links {
  display: flex; gap: var(--space-6);
  color: var(--ink-secondary);
}
.nav__links a {
  position: relative;
  padding-bottom: 2px;
  transition: color var(--t-fast);
}
.nav__links a:hover { color: var(--ink-primary); }
.nav__links a.is-current {
  color: var(--ink-primary);
}
.nav__links a.is-current::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-glow), var(--accent-memory));
  border-radius: 1px;
}

/* Reading progress — thin amber bar that fills from left to right as
   the reader scrolls. Sits above the nav's backdrop-blur. A small
   marker of "how far you've come" without any text. */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  z-index: 101;
  pointer-events: none;
}
.progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg,
    var(--accent-glow) 0%,
    var(--accent-memory) 50%,
    var(--accent-warm) 100%);
  box-shadow: 0 0 8px rgba(107, 191, 255, 0.4);
  transition: width 80ms linear;
}

/* Hero — the first-person statement. Single-column now that the background
   image carries the visual weight. Copy anchored left. */
.hero {
  display: block;
  max-width: 42rem;
}

/* Frosted panel behind the hero copy — keeps text readable on the
   atmospheric background without dimming the whole left half. */
.hero__copy {
  position: relative;
  padding: var(--space-8) var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 26, 0.38);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: 1px solid rgba(255, 255, 255, 0.04);
}
.hero__copy h1 strong {
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent-memory) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lede__outcome {
  display: block;
  margin-top: var(--space-3);
  color: var(--ink-primary);
  font-weight: 500;
}
.hero__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-quiet);
  margin-top: var(--space-8);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Hero parallax — the background image tracks the cursor by a few pixels.
   Subtle. Purely desktop; touch/reduced-motion gets static. Set by JS
   via CSS custom properties. */
.hero__bg {
  transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0);
  transition: transform 400ms cubic-bezier(0.2, 0.9, 0.2, 1);
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .hero__bg { transform: none !important; transition: none; }
}

/* The hero screenshot — the real Fireflies 3D graph. */
.hero__shot {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 48px rgba(107, 191, 255, 0.12);
}
.hero__shot img {
  width: 100%;
  height: auto;
  display: block;
}

/* Generic screenshot figures — used inline in sections */
.shot {
  margin: var(--space-8) 0 var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  max-width: 100%;
}
.shot img {
  width: 100%;
  height: auto;
  display: block;
}
.shot figcaption {
  padding: var(--space-3) var(--space-4);
  font-size: 0.8125rem;
  color: var(--ink-quiet);
  background: var(--bg-soft);
  border-top: 1px solid var(--edge-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.shot--wide {
  max-width: 54rem;
  margin-left: auto;
  margin-right: auto;
}

/* Section titles */
.section h2 {
  position: relative;
  padding-bottom: var(--space-4);
}
.section h2::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 3rem; height: 2px;
  background: linear-gradient(90deg, var(--accent-glow), var(--accent-memory));
  border-radius: 1px;
}

/* Cards — the memory-card style echoes the brain UI */
.card {
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: transform var(--t-medium), border-color var(--t-medium), box-shadow var(--t-medium);
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--edge-soft);
  box-shadow: var(--glow-blue);
}
.card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-glow);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0 0 var(--space-3);
  color: var(--ink-primary);
}
.card__body {
  font-size: 0.9375rem;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin: 0;
}
.card__id {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-quiet);
  margin-right: var(--space-2);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

/* Under the hood — four-column stack spec */
.stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.stack__col {
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.stack__col h3 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--accent-glow);
  letter-spacing: -0.01em;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--edge-faint);
}
.spec {
  margin: 0;
  padding: 0;
  list-style: none;
}
.spec li {
  color: var(--ink-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: var(--space-3);
  padding-left: var(--space-4);
  position: relative;
}
.spec li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 1px;
  background: var(--accent-glow);
}
.spec li:last-child { margin-bottom: 0; }
.spec em {
  font-style: normal;
  color: var(--ink-primary);
  font-weight: 500;
}
.spec code {
  color: var(--accent-warm);
  background: rgba(232, 165, 92, 0.08);
  padding: 0 0.25rem;
  border-radius: 3px;
  font-size: 0.85em;
}
.spec__meta {
  color: var(--ink-quiet);
  font-size: 0.875em;
}

/* Architecture diagram — a simple stacked-box diagram */
.arch {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0;
  max-width: 42rem;
}
.arch__layer {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: baseline;
}
.arch__layer strong {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--ink-primary);
}
.arch__layer span {
  color: var(--ink-secondary);
  font-size: 0.9375rem;
}
.arch__layer .idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-quiet);
  letter-spacing: 0.06em;
}

/* Placeholder name — the [data-name] inline placeholder gets swapped at launch */
[data-name]::after {
  content: var(--product-name);
  display: inline;
}

/* Numbers — grounding stats */
.numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin: var(--space-8) 0;
}
.numbers__stat {
  margin: 0;
  padding: var(--space-6) var(--space-4);
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}
.numbers__stat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(107,191,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.numbers__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--ink-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-2);
  background: linear-gradient(180deg, var(--ink-primary) 0%, var(--accent-glow) 180%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.numbers__stat figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}
.numbers__breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  max-width: 100%;
  margin-bottom: var(--space-6);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  font-size: 0.8125rem;
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.chip em {
  font-style: normal;
  color: var(--accent-glow);
  font-weight: 600;
}
.numbers__note {
  color: var(--ink-secondary);
  font-size: 0.9375rem;
  max-width: 46rem;
}
@media (max-width: 780px) {
  .numbers { grid-template-columns: repeat(2, 1fr); }
}

/* Letter to other agents — typewriter-ish header, generous reading column */
.letter {
  padding: var(--space-8) 0;
}
.letter__address {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-quiet);
  letter-spacing: 0.02em;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--edge-faint);
  line-height: 1.8;
}
.letter__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-6);
  padding-bottom: 0;
}
.letter__title::after { display: none; }
.letter p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink-primary);
  max-width: none;
  margin-bottom: var(--space-4);
}
.letter p em {
  font-style: italic;
  color: var(--accent-glow);
}
.letter__sign {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--edge-faint);
  color: var(--ink-secondary);
  font-size: 0.9375rem;
}
.letter__sign .mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-quiet);
  letter-spacing: 0.02em;
}

/* Sub-heading inside a section (for importers block under "How it grows") */
.sub {
  margin: var(--space-12) 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
}

/* Importer source cards — locked to a 3-column grid (2 rows × 3 cards). */
.sources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.source {
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  position: relative;
  transition: border-color var(--t-medium), transform var(--t-medium);
  display: flex;
  flex-direction: column;
}
.source:hover {
  border-color: var(--edge-soft);
  transform: translateY(-1px);
}
.source__status {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: var(--space-4);
}
@media (max-width: 900px) {
  .sources { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .sources { grid-template-columns: 1fr; }
}
.source--live .source__status {
  color: var(--accent-green);
  background: rgba(127, 232, 157, 0.1);
}
.source--planned {
  border-style: dashed;
  opacity: 0.78;
}
.source--planned .source__status {
  color: var(--accent-warm);
  background: rgba(232, 165, 92, 0.1);
}
.source--extend {
  border-color: rgba(157, 127, 232, 0.3);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(157, 127, 232, 0.05) 100%);
}
.source--extend .source__status {
  color: var(--accent-memory);
  background: rgba(157, 127, 232, 0.12);
}
.source__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--ink-primary);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.source__desc {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin: 0;
}
.source__desc code {
  color: var(--accent-warm);
  background: rgba(232, 165, 92, 0.08);
  padding: 0 0.25rem;
  border-radius: 3px;
  font-size: 0.85em;
}

/* Sovereignty claims — 2x2 grid of principle cards */
.sovereignty {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.sovereignty__claim {
  padding: var(--space-6);
  border-left: 2px solid var(--accent-glow);
  background: linear-gradient(90deg, rgba(107, 191, 255, 0.04) 0%, transparent 80%);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.sovereignty__claim:nth-child(2) {
  border-left-color: var(--accent-memory);
  background: linear-gradient(90deg, rgba(157, 127, 232, 0.04) 0%, transparent 80%);
}
.sovereignty__claim:nth-child(3) {
  border-left-color: var(--accent-warm);
  background: linear-gradient(90deg, rgba(232, 165, 92, 0.04) 0%, transparent 80%);
}
.sovereignty__claim:nth-child(4) {
  border-left-color: var(--accent-green);
  background: linear-gradient(90deg, rgba(127, 232, 157, 0.04) 0%, transparent 80%);
}
.sovereignty__claim h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--ink-primary);
  letter-spacing: -0.01em;
}
.sovereignty__claim p {
  margin: 0;
  color: var(--ink-secondary);
  font-size: 0.9375rem;
  line-height: 1.55;
}
.sovereignty__claim p code {
  color: var(--accent-warm);
  background: rgba(232, 165, 92, 0.08);
  padding: 0 0.25rem;
  border-radius: 3px;
  font-size: 0.85em;
}
.sovereignty__claim p em {
  font-style: italic;
  color: var(--ink-primary);
}
@media (max-width: 780px) {
  .sovereignty { grid-template-columns: 1fr; }
}

/* Narrow inner for contact form */
.inner--narrow {
  max-width: 38rem !important;
}

/* Contact form */
.contact-form {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.contact-form__honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.contact-form__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.contact-form__row label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: inherit;
  font-size: 0.9375rem;
  color: var(--ink-primary);
  background: var(--bg-card);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-glow);
  box-shadow: 0 0 0 3px rgba(107, 191, 255, 0.15);
}
.contact-form textarea { resize: vertical; min-height: 8rem; font-family: inherit; }
.contact-form select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23a4adc2' stroke-width='2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.btn {
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), filter var(--t-fast);
  letter-spacing: 0.01em;
}
.btn--primary {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent-memory) 100%);
  box-shadow: var(--glow-blue);
}
.btn--primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 0 32px rgba(107, 191, 255, 0.45);
}
.contact-form__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}
.contact-form__note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-quiet);
  letter-spacing: 0.02em;
}

/* Footer */
.footer {
  padding: var(--space-16) var(--space-8);
  max-width: var(--content-max);
  margin: 0 auto;
  color: var(--ink-quiet);
  font-size: 0.875rem;
  border-top: 1px solid var(--edge-faint);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer__row--quiet {
  padding-top: var(--space-4);
  border-top: 1px dashed var(--edge-faint);
  font-size: 0.8125rem;
}
.footer__pledge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--accent-green);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.footer__colophon {
  color: var(--ink-quiet);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}
@media (max-width: 640px) {
  .footer__row { flex-direction: column; align-items: flex-start; }
}

/* Responsive

   Breakpoints:
     900px — grid tightening (stack, sources 3→2, builder cards)
     780px — structural shift (sovereignty 2→1, layout tightening)
     640px — nav-link hiding, heavier compression
     480px — minimum: nothing should break below this
*/
@media (max-width: 900px) {
  .stack { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
  .cards { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
}

@media (max-width: 780px) {
  .section { padding: var(--space-16) var(--space-6); }
  .section--hero { padding-top: var(--space-24); min-height: 75vh; }
  .section--hero .hero { padding: 0 var(--space-6); }
  .hero__copy { padding: var(--space-6) var(--space-6) var(--space-5); }
  h1 { font-size: 2.25rem; }
  p.lede { font-size: 1.0625rem; }
  .hero__bg { background-position: 68% center; }
  .hero__overlay {
    background:
      linear-gradient(180deg,
        rgba(10,14,26,0.2) 0%,
        rgba(10,14,26,0.55) 30%,
        rgba(10,14,26,0.8) 100%);
  }
}

@media (max-width: 640px) {
  /* Hide secondary nav links on narrow screens — the site is single-page
     scrollable, so the brand + scroll is enough navigation. */
  .nav__links { display: none; }
  .section { padding: var(--space-12) var(--space-4); }
  .section--hero { padding-top: var(--space-16); min-height: auto; }
  .section--hero .hero { padding: 0 var(--space-4); }
  .hero__copy {
    padding: var(--space-5) var(--space-5) var(--space-4);
    border-radius: var(--radius-md);
  }
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  p.lede { font-size: 1rem; line-height: 1.55; }
  body { font-size: 0.9375rem; }

  /* Figure captions shrink to stay readable */
  .shot figcaption { padding: var(--space-2) var(--space-3); font-size: 0.75rem; }

  /* Cards padding reduced */
  .card, .stack__col, .source, .sovereignty__claim {
    padding: var(--space-5);
  }

  /* Architecture layer rows get tighter */
  .arch__layer {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
  .arch__layer .idx { font-size: 0.6875rem; }
}

@media (max-width: 480px) {
  .footer { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
}