:root {
  color-scheme: light;
  --ink: #111827;
  --ink-soft: #263244;
  --muted: #5f6e80;
  --blue: #2563eb;
  --blue-strong: #1746c7;
  --mint: #12b886;
  --mint-soft: #e9fff7;
  --amber: #c96c2a;
  --paper: #ffffff;
  --soft: #f6f8fb;
  --soft-blue: #eef5ff;
  --line: #d8e0eb;
  --line-strong: #b8c4d4;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.13);
  --radius: 8px;
  --radius-lg: 18px;
  --content: min(1160px, calc(100vw - 40px));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(216, 224, 235, 0.45) 1px, transparent 1px) 0 0 / 72px 72px,
    linear-gradient(rgba(216, 224, 235, 0.35) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.92) 34%, rgba(255, 255, 255, 0.98));
  z-index: -1;
}

a {
  color: inherit;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.93em;
}

pre {
  margin: 0;
  white-space: pre-wrap;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 14px;
  z-index: 20;
  transform: translateY(-140%);
  border-radius: 6px;
  background: var(--ink);
  color: white;
  padding: 10px 14px;
  text-decoration: none;
  transition: transform 180ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: var(--content);
  min-height: 72px;
  margin: 0 auto;
  padding: 14px 0;
  transition: background 180ms ease, box-shadow 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled {
  width: 100%;
  padding: 10px max(20px, calc((100vw - 1160px) / 2));
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 1px 0 rgba(216, 224, 235, 0.9);
  backdrop-filter: blur(16px);
}

.brand,
.header-action,
.nav-links a,
.button,
.copy-button,
.tab-button {
  min-height: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--mint);
  box-shadow: 0 10px 25px rgba(17, 24, 39, 0.16);
}

.brand-mark svg {
  width: 21px;
  height: 21px;
  fill: currentColor;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--blue);
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-size: 0.93rem;
  font-weight: 800;
  text-decoration: none;
}

.section-shell {
  width: var(--content);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.95fr);
  gap: 56px;
  align-items: center;
  min-height: 0;
  padding: 48px 0 42px;
}

.hero-copy {
  min-width: 0;
  width: 100%;
  max-width: 100%;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: 7rem;
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-lede {
  width: 100%;
  max-width: 690px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: 1.35rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.hero-lede code {
  border-radius: 6px;
  background: var(--soft-blue);
  color: var(--blue-strong);
  padding: 0.06rem 0.32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 850;
  text-decoration: none;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button.primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.2);
}

.button.secondary {
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.button:hover,
.button:focus-visible,
.header-action:hover,
.header-action:focus-visible {
  transform: translateY(-1px);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 48px 0 0;
}

.hero-facts div {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.hero-facts dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-weight: 850;
}

.hero-visual {
  display: grid;
  gap: 16px;
}

.terminal-window {
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.2);
  border-radius: var(--radius-lg);
  background: #0c1220;
  box-shadow: var(--shadow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0 16px;
  background: #111827;
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-bar span:nth-child(1) {
  background: #ef4444;
}

.terminal-bar span:nth-child(2) {
  background: #f59e0b;
}

.terminal-bar span:nth-child(3) {
  background: #22c55e;
}

.terminal-window pre {
  min-height: 350px;
  padding: 30px;
  color: #dbeafe;
  font-size: 0.96rem;
  line-height: 1.78;
}

.terminal-window code {
  font-size: inherit;
}

.terminal-window .muted {
  color: #69e6bd;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.08);
}

.status-strip div {
  background: rgba(255, 255, 255, 0.9);
  padding: 18px;
}

.status-strip strong,
.status-strip span {
  display: block;
}

.status-strip strong {
  font-size: 0.88rem;
}

.status-strip span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.42;
}

.intro-section,
.kernel,
.deck,
.workflow,
.protocol,
.compare,
.report,
.gallery,
.install,
.files,
.markers {
  padding: 92px 0;
}

.section-kicker {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.intro-grid,
.section-heading,
.flow-layout,
.kernel-grid,
.deck-stage,
.compare-grid,
.report-layout,
.gallery-grid,
.file-layout {
  display: grid;
  gap: 36px;
}

.intro-grid {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: 3.65rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.intro-copy {
  display: grid;
  gap: 20px;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.intro-copy p {
  margin: 0;
}

.kernel-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kernel-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 22px;
  box-shadow: 0 16px 34px rgba(17, 24, 39, 0.06);
}

.kernel-grid span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #69e6bd;
  font-size: 0.78rem;
  font-weight: 900;
}

.kernel-grid h3 {
  margin: 28px 0 0;
  color: var(--ink);
  font-size: 1.03rem;
}

.kernel-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.deck-stage {
  position: relative;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 22px;
}

.deck-rail {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 10px;
  grid-column: 1;
  grid-row: 1 / span 5;
  align-self: start;
  padding-top: 12px;
}

.deck-rail span {
  display: block;
  width: 10px;
  height: 44px;
  border-radius: 999px;
  background: var(--line);
  transition: background 180ms ease, transform 180ms ease;
}

.deck-rail span.is-active {
  background: var(--ink);
  transform: scaleX(1.35);
}

.deck-slide {
  display: grid;
  grid-column: 2;
  grid-template-columns: 70px minmax(0, 0.9fr) minmax(360px, 0.95fr);
  gap: 28px;
  align-items: center;
  min-height: 270px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(18, 184, 134, 0.08)),
    #fff;
  padding: 28px;
  box-shadow: 0 20px 58px rgba(17, 24, 39, 0.07);
  opacity: 0.76;
  transform: translateY(10px);
  transition: opacity 220ms ease, transform 220ms ease, border-color 220ms ease;
}

.deck-slide.is-active {
  border-color: rgba(18, 184, 134, 0.5);
  opacity: 1;
  transform: translateY(0);
}

.slide-index {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #69e6bd;
  font-weight: 900;
}

.deck-slide h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.65rem;
  line-height: 1.08;
}

.deck-slide p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.deck-slide pre {
  overflow-x: auto;
  border-radius: var(--radius);
  background: #0c1220;
  color: #dbeafe;
  padding: 22px;
  font-size: 0.88rem;
  line-height: 1.62;
  white-space: pre;
}

.section-heading {
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.62fr);
  align-items: end;
  margin-bottom: 42px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.flow-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.72fr);
  align-items: start;
}

.flow-diagram {
  position: relative;
  display: grid;
  gap: 14px;
  width: 100%;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(90deg, rgba(184, 196, 212, 0.45) 1px, transparent 1px) 0 0 / 112px 112px,
    linear-gradient(rgba(184, 196, 212, 0.38) 1px, transparent 1px) 0 0 / 112px 112px,
    linear-gradient(135deg, rgba(37, 99, 235, 0.045), rgba(18, 184, 134, 0.09)),
    #f8fbff;
  padding: 20px;
  box-shadow: var(--shadow);
}

.map-lane {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 42px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  min-height: 108px;
}

.map-node {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  padding: 16px;
  box-shadow: 0 18px 42px rgba(17, 24, 39, 0.08);
}

.lane-label {
  display: grid;
  min-height: 100%;
  place-items: center;
  border-radius: var(--radius);
  background: rgba(17, 24, 39, 0.05);
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.map-arrow {
  position: relative;
  align-self: center;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--mint));
}

.map-arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  width: 12px;
  height: 12px;
  border-top: 4px solid var(--mint);
  border-right: 4px solid var(--mint);
  transform: translateY(-50%) rotate(45deg);
}

.map-node span {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.map-node strong {
  margin-top: 8px;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.12;
}

.map-node p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.map-node code {
  color: var(--blue-strong);
}

.map-goal {
  border-color: rgba(17, 24, 39, 0.18);
  background: var(--ink);
  color: #fff;
}

.map-goal span {
  color: #69e6bd;
}

.map-goal strong,
.map-goal p {
  color: #fff;
}

.flow-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-steps li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  padding: 18px;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.flow-steps li.is-active {
  border-color: rgba(18, 184, 134, 0.6);
  box-shadow: 0 16px 34px rgba(18, 184, 134, 0.13);
  transform: translateX(-4px);
}

.flow-steps span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--soft-blue);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
}

.flow-steps h3,
.protocol-panel h3,
.compare-column h3,
.file-notes h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
}

.flow-steps p,
.protocol-panel p,
.compare-column li,
.file-notes p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.protocol-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 24px;
  box-shadow: 0 16px 36px rgba(17, 24, 39, 0.06);
}

.protocol-panel.accent {
  background: var(--ink);
  color: #fff;
}

.protocol-panel.accent h3,
.protocol-panel.accent p {
  color: #fff;
}

.panel-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 8px;
  background: var(--mint-soft);
  color: var(--mint);
}

.protocol-panel.accent .panel-icon {
  background: rgba(105, 230, 189, 0.14);
  color: #69e6bd;
}

.panel-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.compare-column {
  border-radius: var(--radius-lg);
  padding: 30px;
}

.muted-column {
  border: 1px solid var(--line);
  background: rgba(246, 248, 251, 0.84);
}

.strong-column {
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(18, 184, 134, 0.14)),
    #fff;
  border: 1px solid rgba(37, 99, 235, 0.24);
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.1);
}

.compare-column ul {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.compare-column li {
  position: relative;
  padding-left: 26px;
}

.compare-column li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 10px;
  height: 2px;
  border-radius: 999px;
  background: var(--line-strong);
}

.report-layout {
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
  align-items: start;
}

.report-card {
  border: 1px solid rgba(17, 24, 39, 0.16);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 26px;
  box-shadow: var(--shadow);
}

.report-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.report-topline strong {
  border-radius: 999px;
  background: var(--mint-soft);
  color: #0f7a5b;
  padding: 4px 10px;
  font-size: 0.75rem;
}

.report-card h3 {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: 1.55rem;
}

.report-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0;
}

.report-metrics div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--soft);
}

.report-metrics strong,
.report-metrics span {
  display: block;
}

.report-metrics strong {
  color: var(--ink);
  font-size: 1.25rem;
}

.report-metrics span {
  color: var(--muted);
  font-size: 0.78rem;
}

.report-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.report-card th,
.report-card td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
}

.report-card th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.proof-columns {
  display: grid;
  gap: 14px;
}

.proof-columns article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  padding: 24px;
}

.proof-columns h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
}

.proof-columns ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.gallery-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.gallery-grid article {
  border-top: 2px solid var(--ink);
  background: rgba(255, 255, 255, 0.82);
  padding: 20px 0 0;
}

.gallery-grid span {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.gallery-grid h3 {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 1.08rem;
}

.gallery-grid p {
  margin: 10px 0 16px;
  color: var(--muted);
  font-size: 0.94rem;
}

.gallery-grid code {
  display: inline-flex;
  max-width: 100%;
  min-height: 34px;
  align-items: center;
  border-radius: 8px;
  background: var(--soft-blue);
  color: var(--blue-strong);
  padding: 0 10px;
  font-size: 0.78rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.strong-column li::before {
  height: 10px;
  top: 0.44em;
  border-radius: 50%;
  background: var(--mint);
}

.install-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.tab-button,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 850;
}

.tab-button {
  padding: 0 16px;
}

.tab-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.tab-panels {
  border-radius: var(--radius-lg);
}

.code-window {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #0c1220;
  box-shadow: var(--shadow);
}

.code-title {
  min-height: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 150px 16px 22px;
  color: #dbeafe;
  font-size: 0.92rem;
  font-weight: 850;
}

.copy-button {
  position: absolute;
  right: 12px;
  top: 10px;
  gap: 8px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #dbeafe;
}

.copy-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.code-window pre {
  overflow-x: auto;
  padding: 24px;
  color: #dbeafe;
  font-size: 0.94rem;
  line-height: 1.75;
  white-space: pre;
}

.file-layout {
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
}

.file-tree {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #111827;
  color: #dbeafe;
  padding: 28px;
  box-shadow: var(--shadow);
  line-height: 1.76;
}

.file-notes {
  display: grid;
  gap: 12px;
}

.file-notes article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  padding: 20px;
}

.file-notes code,
.marker-strip span {
  color: var(--blue-strong);
}

.marker-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 18px;
  box-shadow: 0 16px 40px rgba(17, 24, 39, 0.07);
}

.marker-strip span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border-radius: 8px;
  background: var(--soft-blue);
  padding: 0 12px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.8rem;
  font-weight: 800;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: var(--content);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 34px 0 42px;
  color: var(--muted);
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer a {
  color: var(--ink);
  font-weight: 850;
}

@media (max-width: 980px) {
  :root {
    --content: min(calc(100vw - 32px), 760px);
  }

  .nav-links {
    display: none;
  }

  .hero,
  .intro-grid,
  .section-heading,
  .flow-layout,
  .deck-stage,
  .report-layout,
  .compare-grid,
  .file-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 56px 0 48px;
    gap: 42px;
  }

  .hero-visual {
    display: none;
  }

  .hero h1 {
    font-size: 5.6rem;
  }

  h2 {
    font-size: 3.1rem;
  }

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

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

  .deck-rail {
    display: none;
  }

  .deck-slide {
    grid-column: 1;
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .deck-slide pre {
    grid-column: 1 / -1;
  }

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

  .flow-diagram {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --content: 342px;
  }

  body {
    background-size: 54px 54px;
  }

  .site-header {
    width: 342px;
    max-width: calc(100% - 24px);
    min-height: 64px;
    gap: 12px;
  }

  .header-action {
    display: none;
  }

  .section-shell,
  .site-footer {
    width: 342px;
    max-width: calc(100% - 24px);
  }

  .hero {
    padding: 36px 0 34px;
    gap: 34px;
  }

  .hero-copy,
  .hero-lede,
  .hero-actions {
    width: 318px;
    max-width: 100%;
  }

  .hero h1 {
    font-size: 3.55rem;
    line-height: 0.94;
  }

  .hero-lede {
    font-size: 1.09rem;
  }

  h2 {
    font-size: 2.45rem;
  }

  .hero-actions,
  .install-tabs,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button,
  .tab-button {
    width: 100%;
  }

  .hero-facts,
  .status-strip,
  .kernel-grid,
  .protocol-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .intro-section,
  .kernel,
  .deck,
  .workflow,
  .protocol,
  .compare,
  .report,
  .gallery,
  .install,
  .files,
  .markers {
    padding: 64px 0;
  }

  .flow-steps li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .flow-diagram {
    gap: 12px;
    padding: 16px;
  }

  .map-lane {
    grid-template-columns: 1fr;
    gap: 10px;
    min-height: 0;
  }

  .lane-label {
    min-height: 34px;
    place-items: center start;
    padding: 0 12px;
  }

  .map-arrow {
    width: 4px;
    height: 24px;
    margin-left: 22px;
    align-self: stretch;
    background: linear-gradient(180deg, var(--blue), var(--mint));
  }

  .map-arrow::after {
    top: auto;
    right: 50%;
    bottom: -1px;
    transform: translateX(50%) rotate(135deg);
  }

  .map-node {
    padding: 16px;
  }

  .deck-slide {
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: 0;
    padding: 22px;
  }

  .slide-index {
    width: 46px;
    height: 46px;
  }

  .deck-slide h3 {
    font-size: 1.35rem;
  }

  .code-title {
    padding-right: 22px;
  }

  .copy-button {
    position: static;
    width: calc(100% - 24px);
    margin: 0 12px 12px;
  }

  .code-window pre,
  .file-tree {
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}