/*
 * Pipeline Factory 官网样式
 * 视觉方向：工程图纸 / 控制台。浅色图纸底 + 深海军蓝面板，细线分区，等宽字体承载命令与状态。
 */

:root {
  --paper: #f1f4f8;
  --paper-2: #e8edf3;
  --panel: #fbfcfe;
  --ink: #0c1929;
  --ink-2: #394b61;
  --muted: #5c6c80;
  --line: #ccd6e1;
  --line-strong: #a8b7c8;
  --signal: #1f5fe0;
  --signal-soft: rgba(31, 95, 224, 0.08);
  --ok: #0f7a52;
  --warn: #a8670a;
  --night: #0b1422;
  --night-2: #111d2f;
  --night-line: #223149;
  --night-text: #d7e1ef;
  --display: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --sans: -apple-system, "Inter", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "SFMono-Regular", "SF Mono", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 650;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--ink);
}

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

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 2px;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 10px;
}

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- 顶部导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(241, 244, 248, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 26px;
  height: 26px;
  color: var(--signal);
}

.brand-version {
  padding: 1px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  font-size: 0.86rem;
}

.site-nav a {
  color: var(--ink-2);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover,
.site-nav a.is-current {
  color: var(--ink);
  border-color: var(--signal);
}

.site-nav .nav-github {
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--ink);
  font-weight: 600;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.site-nav .nav-github:hover {
  border-color: var(--ink);
  background: var(--panel);
}

.site-nav .nav-github.is-current {
  border-color: var(--line-strong);
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-bars {
  position: relative;
  margin: 0 auto;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -5px;
}

.nav-toggle-bars::after {
  top: 5px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  transform: translateY(-5px) rotate(-45deg);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 80px;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(12, 25, 41, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 25, 41, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  gap: 64px;
  align-items: center;
}

.hero-kicker {
  margin: 0 0 22px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  color: var(--signal);
}

.hero h1 {
  margin: 0 0 26px;
  font-size: clamp(3rem, 5.8vw, 5.2rem);
  line-height: 1.03;
  letter-spacing: -0.045em;
}

.lede {
  max-width: 35em;
  margin: 0;
  color: var(--ink-2);
  font-size: 1.04rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--ink);
  color: #f4f8fd;
}

.btn-primary:hover {
  background: var(--signal);
}

.btn-quiet {
  border-color: var(--line-strong);
  color: var(--ink);
  background: transparent;
}

.btn-quiet:hover {
  border-color: var(--ink);
  background: var(--panel);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.67rem;
  color: var(--muted);
}

.hero-facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-facts li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--signal);
}

/* ---------- Run 面板 ---------- */

.run-panel {
  border: 1px solid var(--night-line);
  border-radius: 4px;
  background: var(--night);
  color: var(--night-text);
  box-shadow: 0 28px 70px rgba(12, 25, 41, 0.2);
  overflow: hidden;
}

.run-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--night-line);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.run-id {
  color: #8ea2bd;
}

.run-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #7fd8aa;
}

.run-state::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(127, 216, 170, 0.12);
}

.rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0;
  padding: 22px 20px 18px;
  list-style: none;
}

.rail::before {
  content: "";
  position: absolute;
  top: 26px;
  left: calc(100% / 12 + 20px);
  right: calc(100% / 12 + 20px);
  height: 1px;
  background: var(--night-line);
}

.rail-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  font-size: 0.66rem;
  color: #798ba4;
}

.rail-dot {
  width: 9px;
  height: 9px;
  border: 1px solid #3a4d6a;
  border-radius: 50%;
  background: #172641;
}

.rail-step.is-active .rail-dot {
  border-color: #6c9bff;
  background: #6c9bff;
  box-shadow: 0 0 0 5px rgba(94, 139, 255, 0.16);
}

.rail-step.is-done {
  color: #cfdff3;
}

.rail-step.is-done .rail-dot {
  border-color: var(--ok);
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(15, 122, 82, 0.16);
}

.run-log {
  display: grid;
  gap: 2px;
  padding: 2px 20px 18px;
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.75;
  color: #b5c5d9;
}

.log-line {
  display: grid;
  grid-template-columns: 58px 62px minmax(0, 1fr);
  gap: 8px;
  margin: 0;
}

.log-time {
  color: #5d718b;
}

.log-kind {
  color: #6f9fff;
}

.run-panel.is-playing .log-line:not(.is-on) {
  opacity: 0.24;
}

.log-line {
  transition: opacity 0.35s ease;
}

.run-foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-top: 1px solid var(--night-line);
  font-family: var(--mono);
  font-size: 0.6rem;
  color: #6d8199;
}

/* ---------- 区块通用 ---------- */

.section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.hero + .section {
  border-top: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 48px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section-head p {
  max-width: 36em;
  margin: 0;
  justify-self: end;
  color: var(--ink-2);
  font-size: 0.96rem;
  line-height: 1.8;
}

/* ---------- 六个工位 ---------- */

.stages {
  border-bottom: 1px solid var(--line);
}

.stage {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 340px;
  gap: 36px;
  align-items: start;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.stage-index {
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--signal);
}

.stage-body h3 {
  margin: 0 0 8px;
  font-size: 1.14rem;
  letter-spacing: -0.01em;
}

.stage-body p {
  max-width: 33em;
  margin: 0;
  color: var(--ink-2);
  font-size: 0.93rem;
  line-height: 1.8;
}

.stage-artifact {
  margin: 0;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  border-radius: 2px;
  background: var(--panel);
  color: var(--ink-2);
  font-size: 0.71rem;
  line-height: 1.75;
  overflow-x: auto;
  white-space: pre;
}

/* ---------- 能力 ---------- */

.cap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  column-gap: 72px;
}

.cap {
  padding: 22px 0 30px;
  border-top: 1px solid var(--line);
}

.cap h3 {
  display: flex;
  align-items: baseline;
  gap: 11px;
  margin: 0 0 9px;
  font-size: 1.02rem;
}

.cap h3::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--signal);
  transform: translateY(-2px);
}

.cap p {
  max-width: 34em;
  margin: 0;
  color: var(--ink-2);
  font-size: 0.91rem;
  line-height: 1.8;
}

/* ---------- 控制台示意 ---------- */

.console-figure {
  margin: 0;
}

.console {
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--night);
  box-shadow: 0 30px 70px rgba(12, 25, 41, 0.14);
}

.console-top {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 50px;
  padding: 0 18px;
  border-bottom: 1px solid var(--night-line);
  color: #e9eff8;
  font-size: 0.78rem;
}

.console-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  font-weight: 600;
}

.console-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6c9bff;
  box-shadow: 0 0 0 4px rgba(108, 155, 255, 0.16);
}

.console-version {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: #7b8ca5;
}

.console-health {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: #7fd8aa;
}

.console-health i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.console-avatar {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #dfe8f5;
  color: #25364d;
  font-size: 0.58rem;
  font-weight: 700;
}

.console-body {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  min-height: 440px;
  background: #f4f7fb;
}

.console-rail {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 12px;
  background: #16243a;
}

.rail-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 3px;
  color: #98a9c0;
  font-size: 0.71rem;
}

.rail-item.is-active {
  border-color: #3c6bb3;
  background: #24406b;
  color: #eaf2ff;
}

.rail-icon {
  width: 11px;
  height: 11px;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.console-main {
  padding: 22px 26px 26px;
}

.console-project {
  position: relative;
  margin-bottom: 22px;
}

.console-project > span {
  display: block;
  margin-bottom: 3px;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--muted);
}

.console-project h3 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.console-project button {
  position: absolute;
  top: 1px;
  right: 0;
  height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 3px;
  background: var(--signal);
  color: #fff;
  font: inherit;
  font-size: 0.7rem;
  pointer-events: none;
}

.console-card {
  margin-bottom: 11px;
  padding: 14px 16px;
  border: 1px solid #dde5ee;
  border-radius: 3px;
  background: #fff;
}

.console-card.is-running {
  border-left: 2px solid var(--signal);
}

.card-title {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.card-num {
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: #98a6b8;
}

.card-title strong {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
}

.card-title small {
  display: block;
  margin-top: 3px;
  color: #6f8095;
  font-size: 0.68rem;
}

.pill {
  margin-left: auto;
  padding: 2px 7px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.58rem;
  white-space: nowrap;
}

.pill-green {
  color: var(--ok);
  background: rgba(15, 122, 82, 0.06);
}

.pill-amber {
  color: var(--warn);
  background: rgba(168, 103, 10, 0.06);
}

.pill-muted {
  color: #5f7086;
  background: #f2f5f9;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #edf1f6;
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 0.03em;
  color: #75859a;
}

.card-meta b {
  color: #4c5d72;
  font-weight: 500;
}

.console-figure figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted);
}

/* ---------- 开始使用 ---------- */

.start-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.prereqs {
  margin-bottom: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.prereqs h3 {
  margin: 0 0 14px;
  font-size: 0.95rem;
}

.prereqs ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-2);
  font-size: 0.88rem;
}

.prereqs li {
  display: flex;
  gap: 10px;
}

.prereqs li::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  margin-top: 0.6em;
  background: var(--line-strong);
}

.start-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.start-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
  counter-increment: step;
}

.start-steps li::before {
  content: counter(step, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--signal);
}

.start-steps b,
.start-steps span {
  grid-column: 2;
}

.start-steps b {
  display: block;
  margin-bottom: 3px;
  font-size: 0.93rem;
}

.start-steps span {
  color: var(--ink-2);
  font-size: 0.87rem;
  line-height: 1.7;
}

.note {
  margin: 26px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--warn);
  background: rgba(168, 103, 10, 0.05);
  color: var(--ink-2);
  font-size: 0.85rem;
  line-height: 1.7;
}

.terminal {
  position: sticky;
  top: 88px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--night);
}

.terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--night-line);
  font-family: var(--mono);
  font-size: 0.64rem;
  color: #8ea2bd;
}

.copy-btn {
  padding: 3px 8px;
  border: 1px solid #344862;
  border-radius: 2px;
  background: transparent;
  color: #b7c6da;
  font-family: var(--mono);
  font-size: 0.6rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.copy-btn:hover {
  border-color: #6f9fff;
  color: #e6effa;
}

.copy-btn.is-copied {
  border-color: #2f6b52;
  color: #7fd8aa;
}

.terminal pre {
  margin: 0;
  padding: 20px 18px 24px;
  overflow-x: auto;
  color: var(--night-text);
  font-size: 0.73rem;
  line-height: 1.85;
}

.terminal pre code {
  color: inherit;
  font-size: inherit;
}

.stage-artifact code {
  color: inherit;
  font-size: inherit;
}

.t-comment {
  color: #647a96;
}

/* ---------- 命令表 ---------- */

.table-wrap {
  border-top: 1px solid var(--line-strong);
}

.command-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.command-table th {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.command-table td {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.88rem;
  vertical-align: top;
}

.command-table td:first-child {
  width: 44%;
  padding-right: 28px;
}

.command-table td code {
  font-size: 0.79rem;
}

.command-table tbody tr:hover td {
  background: var(--signal-soft);
}

/* ---------- FAQ ---------- */

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

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

.faq-list summary {
  position: relative;
  padding: 19px 44px 19px 0;
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-plus {
  position: absolute;
  top: 50%;
  right: 4px;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
}

.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 14px;
  height: 1px;
  background: var(--ink-2);
  transition: transform 0.2s ease;
}

.faq-plus::after {
  transform: rotate(90deg);
}

.faq-list details[open] .faq-plus::after {
  transform: rotate(0deg);
}

.faq-list details p {
  max-width: 62em;
  margin: 0;
  padding: 0 44px 22px 0;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ---------- 页脚 ---------- */

.site-footer {
  padding: 54px 0;
  border-top: 1px solid var(--night-line);
  background: var(--night);
  color: #b9c7da;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto;
  gap: 40px;
  align-items: start;
}

.footer-brand .brand-name {
  color: #eef4fb;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 650;
}

.footer-brand p {
  max-width: 27em;
  margin: 10px 0 0;
  color: #8ea2bd;
  font-size: 0.84rem;
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 0.83rem;
}

.footer-links a {
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: #fff;
  border-color: #6c9bff;
}

.footer-meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.63rem;
  color: #6d8199;
  text-align: right;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1020px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }

  .run-panel {
    max-width: 640px;
  }

  .stage {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .stage-artifact {
    grid-column: 2;
    max-width: 100%;
  }

  .start-grid,
  .section-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .section-head p {
    justify-self: start;
  }

  .terminal {
    position: static;
  }

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

  .footer-meta {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 16px 30px rgba(12, 25, 41, 0.08);
  }

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

  .site-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .nav-github {
    margin-top: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line-strong);
    text-align: center;
  }

  .nav-toggle {
    display: block;
  }

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

  .console-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .console-rail {
    display: none;
  }
}

@media (max-width: 620px) {
  .wrap {
    width: calc(100% - 36px);
  }

  .hero {
    padding: 60px 0 56px;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 12vw, 3.6rem);
  }

  .lede {
    font-size: 0.97rem;
  }

  .section {
    padding: 64px 0;
  }

  .rail {
    padding-inline: 12px;
  }

  .rail::before {
    left: calc(100% / 12 + 12px);
    right: calc(100% / 12 + 12px);
  }

  .run-log {
    padding-inline: 14px;
    font-size: 0.62rem;
  }

  .log-line {
    grid-template-columns: 52px 56px minmax(0, 1fr);
  }

  .run-foot {
    padding-inline: 14px;
  }

  .stage {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 16px;
  }

  .console-main {
    padding: 18px 16px 20px;
  }

  .console-project button {
    display: none;
  }

  .card-meta {
    gap: 6px 16px;
  }

  .command-table,
  .command-table tbody,
  .command-table tr,
  .command-table td {
    display: block;
    width: 100%;
  }

  .command-table thead {
    display: none;
  }

  .command-table tr {
    padding: 6px 0 12px;
    border-bottom: 1px solid var(--line);
  }

  .command-table td {
    padding: 4px 0;
    border: 0;
  }

  .command-table td:first-child {
    width: 100%;
    padding-right: 0;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .footer-meta {
    text-align: left;
  }
}

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

  .log-line {
    opacity: 1 !important;
    transition: none;
  }

  .rail-dot {
    transition: none;
  }

  .faq-plus::before,
  .faq-plus::after {
    transition: none;
  }
}