:root {
  --bg: #050509;
  --bg-deep: #020204;
  --fg: #eef0f5;
  --fg-dim: rgba(238, 240, 245, 0.68);
  --fg-faint: rgba(238, 240, 245, 0.38);
  --accent: #c6ff3a;
  --accent-soft: rgba(198, 255, 58, 0.18);
  --violet: #7a5cff;
  --cyan: #00e5ff;
  --magenta: #ff2d87;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --surface: rgba(10, 12, 22, 0.72);
  --surface-solid: #0a0c16;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 14px;
  --radius-lg: 22px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --noise: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.08 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(122, 92, 255, 0.18), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 80%, rgba(0, 229, 255, 0.10), transparent 70%),
    radial-gradient(ellipse 50% 40% at 10% 60%, rgba(255, 45, 135, 0.08), transparent 70%);
  pointer-events: none;
  z-index: -3;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.45;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: -1;
}

#void-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -2;
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 0px,
    rgba(255, 255, 255, 0) 2px,
    rgba(255, 255, 255, 0.018) 3px,
    rgba(255, 255, 255, 0) 4px
  );
  mix-blend-mode: overlay;
  z-index: 1;
}

.grid-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: calc(100vw / 12) 100%;
  z-index: 0;
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

.page {
  width: min(1240px, 92vw);
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
  position: relative;
  z-index: 2;
}

/* ───── header ───── */
header {
  position: sticky;
  top: 1rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.7rem 1rem 0.7rem 0.9rem;
  background: rgba(5, 5, 9, 0.7);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--fg);
}

.logo-mark {
  width: 2.3rem;
  height: 2.3rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(122, 92, 255, 0.45));
}

.logo-type {
  display: flex;
  flex-direction: column;
  line-height: 1;
  font-family: var(--font-display);
}

.logo-text {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--fg-faint);
  margin-top: 0.3rem;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  gap: 1.4rem;
  align-items: center;
}

nav a {
  color: var(--fg-dim);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  transition: color 0.2s var(--ease);
  position: relative;
}

nav a:hover { color: var(--fg); }
nav a:hover::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
}

/* ───── buttons ───── */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--accent);
  color: #07080a;
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  box-shadow: 0 0 0 0 var(--accent-soft);
  white-space: nowrap;
}

.cta em {
  font-style: normal;
  transition: transform 0.25s var(--ease);
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 6px var(--accent-soft);
}
.cta:hover em { transform: translate(2px, -2px); }

.cta.is-loading {
  pointer-events: none;
  opacity: 0.75;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  background: transparent;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.ghost-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.35);
}

/* ───── sections ───── */
section { margin-top: 8rem; position: relative; }

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 44rem;
  margin-bottom: 1.2rem;
}

/* ───── hero ───── */
.hero {
  margin-top: 5rem;
  padding: 2rem 0 4rem;
  position: relative;
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-faint);
  letter-spacing: 0.08em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--fg-dim);
}

.status-pill .dot {
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent), 0 0 20px rgba(198, 255, 58, 0.45);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

.coord { white-space: nowrap; }

.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 6.8vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
}

.hero-title .line {
  display: block;
}

.hero-title .accent {
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
}

.hero-title .muted { color: var(--fg-faint); }

.mono-prefix {
  font-family: var(--font-mono);
  font-size: 0.38em;
  color: var(--accent);
  vertical-align: middle;
  margin-right: 0.6em;
  letter-spacing: 0.05em;
  font-weight: 400;
}

.hero-lede {
  max-width: 36rem;
  font-size: 1.1rem;
  color: var(--fg-dim);
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-readout {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(5, 6, 12, 0.6);
  padding: 1rem 1.2rem;
  max-width: 36rem;
  backdrop-filter: blur(8px);
}

.readout-row {
  padding: 0.2rem 0;
  color: var(--fg);
}

.readout-row span:first-child {
  color: var(--accent);
  margin-right: 0.6rem;
}

.readout-row.muted { color: var(--fg-dim); }

.blink {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s steps(2) infinite;
  margin-right: 0.3rem;
}

@keyframes blink {
  50% { opacity: 0; }
}

[data-rotator] {
  display: inline-block;
  position: relative;
}
[data-rotator] > span {
  display: none;
}
[data-rotator] > span.is-active {
  display: inline;
  animation: typeIn 0.4s var(--ease);
}

@keyframes typeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ───── marquee ───── */
.marquee {
  margin-top: 5rem;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(5, 6, 12, 0.4);
  position: relative;
}

.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.marquee::after  { right: 0; background: linear-gradient(270deg, var(--bg), transparent); }

.marquee-track {
  display: flex;
  gap: 2.5rem;
  animation: marquee 38s linear infinite;
  padding: 0.9rem 0;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  width: max-content;
}

.marquee-track span:nth-child(even) { color: var(--accent); opacity: 0.7; }

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ───── manifesto ───── */
.manifesto-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.manifesto-grid p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fg-dim);
  padding: 1.4rem 1.4rem 1.4rem 1.6rem;
  border-left: 1px solid var(--border-strong);
  background: linear-gradient(90deg, rgba(198, 255, 58, 0.04), transparent 60%);
  position: relative;
}

.manifesto-grid p::before {
  content: "";
  position: absolute;
  left: -1px; top: 0;
  width: 2px; height: 2rem;
  background: var(--accent);
}

/* ───── capabilities ───── */
.capabilities-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cap {
  padding: 1.8rem;
  background: var(--bg);
  transition: background 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.cap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(198, 255, 58, 0.07), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.cap:hover { background: rgba(255, 255, 255, 0.015); }
.cap:hover::after { opacity: 1; }

.cap-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

.cap-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.cap h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.cap p {
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.cap-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  list-style: none;
}

.cap-tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg-faint);
  letter-spacing: 0.04em;
}

/* ───── builds ───── */
.builds-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.build {
  padding: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.build::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(122, 92, 255, 0.18), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.build:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.22);
}
.build:hover::before { opacity: 1; }

.build-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.build-tag {
  color: var(--accent);
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  background: rgba(198, 255, 58, 0.05);
}

.build-id { color: var(--fg-faint); }

.build h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.build-sub {
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.55;
}

.build-specs {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border-top: 1px dashed var(--border);
  padding-top: 0.9rem;
  display: grid;
  gap: 0.4rem;
}

.build-specs li {
  display: flex;
  justify-content: space-between;
  color: var(--fg-dim);
}

.build-specs li span:first-child { color: var(--fg-faint); }

.build-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
}

.build-arrow {
  width: 34px; height: 34px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}

.build:hover .build-arrow {
  transform: translate(3px, -3px);
  background: var(--accent);
  color: #07080a;
  border-color: var(--accent);
}

.build.teaser {
  background: linear-gradient(140deg, rgba(122, 92, 255, 0.08), rgba(10, 12, 22, 0.7));
  border-style: dashed;
}

.build.placeholder {
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.015),
    rgba(255, 255, 255, 0.015) 8px,
    transparent 8px,
    transparent 16px
  );
  opacity: 0.7;
  border-style: dashed;
}

.build.placeholder h3 {
  color: var(--fg-faint);
  font-style: italic;
}

/* ───── process ───── */
.process {
  margin-top: 3rem;
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: proc;
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.8rem;
  align-items: flex-start;
  padding: 2rem 0.2rem;
  border-top: 1px solid var(--border);
  transition: background 0.3s var(--ease);
}

.process-step:last-child { border-bottom: 1px solid var(--border); }
.process-step:hover { background: rgba(255, 255, 255, 0.015); }

.step-marker {
  width: 3.2rem; height: 3.2rem;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  position: relative;
}

.step-marker::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px dashed rgba(198, 255, 58, 0.25);
  animation: rotate 18s linear infinite;
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

.process-step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.process-step p {
  color: var(--fg-dim);
  line-height: 1.65;
  max-width: 42rem;
}

/* ───── signals ───── */
.signals-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.signal {
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(5, 6, 12, 0.5);
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.signal:hover {
  border-color: rgba(198, 255, 58, 0.3);
  transform: translateY(-2px);
}

.signal-k {
  font-size: 0.7rem;
  color: var(--fg-faint);
  letter-spacing: 0.06em;
}

.signal strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2rem;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1;
}

.signal-v {
  font-size: 0.78rem;
  color: var(--fg-dim);
  line-height: 1.5;
}

.signal.glow {
  background:
    radial-gradient(circle at 70% 30%, rgba(198, 255, 58, 0.18), transparent 60%),
    rgba(5, 6, 12, 0.5);
  border-color: rgba(198, 255, 58, 0.3);
}
.signal.glow strong { color: var(--accent); font-style: italic; font-weight: 500; }

/* ───── contact ───── */
.contact {
  margin-top: 8rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 3rem;
  padding: 3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(122, 92, 255, 0.15), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(198, 255, 58, 0.08), transparent 55%),
    var(--surface);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.contact-intro .section-heading { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }

.contact-sub {
  color: var(--fg-dim);
  font-size: 0.95rem;
  max-width: 26rem;
  line-height: 1.6;
  margin-top: 1rem;
}

#contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.field.wide { grid-column: 1 / -1; }

.field-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.85;
}

input, textarea {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.35);
  color: var(--fg);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

input::placeholder, textarea::placeholder {
  color: var(--fg-faint);
}

textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.55;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(198, 255, 58, 0.04);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.4rem;
}

.form-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  min-height: 1.2rem;
}

.form-status.is-success { color: var(--accent); }
.form-status.is-error { color: var(--magenta); }

/* ───── footer ───── */
.site-foot {
  margin-top: 7rem;
  padding: 2rem 0 1rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-dim);
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.foot-mark { width: 2rem; height: 2rem; opacity: 0.85; }

.foot-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--fg);
  letter-spacing: 0.01em;
}

.foot-brand span {
  font-size: 0.7rem;
  color: var(--fg-faint);
}

.foot-links {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.foot-links a {
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.foot-links a:hover { color: var(--accent); }

.foot-note {
  color: var(--fg-faint);
  white-space: nowrap;
}

/* ───── observer / reveal ───── */
.observer {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.observer.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ───── responsive ───── */
@media (max-width: 880px) {
  header {
    flex-wrap: wrap;
    border-radius: 20px;
    padding: 0.8rem 1rem;
  }
  nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; gap: 1rem; }
  nav a { font-size: 0.72rem; }
  .contact {
    grid-template-columns: 1fr;
    padding: 1.8rem;
    gap: 2rem;
  }
  #contact-form { grid-template-columns: 1fr; }
  .site-foot {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 1.2rem;
  }
  .foot-links { justify-content: flex-start; }
  section { margin-top: 6rem; }
  .hero { margin-top: 3rem; }
}

@media (max-width: 520px) {
  .hero-meta { font-size: 0.65rem; }
  .coord { display: none; }
  .hero-readout { font-size: 0.74rem; }
  .build h3 { font-size: 1.5rem; }
  .contact { padding: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .observer { opacity: 1; transform: none; }
  #void-canvas { display: none; }
  .step-marker::before { display: none; }
}