:root {
  --bg: #0a0b0d;
  --bg-soft: #101216;
  --bg-card: #14161b;
  --border: #23262e;
  --border-soft: #1a1d23;
  --text: #e8eaed;
  --text-dim: #9aa0aa;
  --text-faint: #5c6370;
  --accent: #34d399;
  --accent-dim: rgba(52, 211, 153, 0.12);
  --amber: #fbbf24;
  --blue: #60a5fa;
  --violet: #a78bfa;
  --red: #f87171;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- nav ---------- */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .tick {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color .15s;
}

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

.nav-links a.btn-sm {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
  transition: border-color .15s, background .15s;
}

.nav-links a.btn-sm:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

@media (max-width: 640px) {
  .nav-links a:not(.btn-sm) {
    display: none;
  }
}

/* ---------- hero ---------- */
header {
  padding: 96px 0 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 50% -50px, rgba(52, 211, 153, 0.07), transparent),
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255, 255, 255, 0.015) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255, 255, 255, 0.015) 40px);
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

h1 {
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
}

h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 19px;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-sub code {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 5px;
}

/* install box */
.install {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: left;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.install-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot.r {
  background: #ff5f57;
}

.dot.y {
  background: #febc2e;
}

.dot.g {
  background: #28c840;
}

.install-bar span {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}

.install-body {
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 13.5px;
  overflow-x: auto;
  white-space: nowrap;
}

.install-body .p {
  color: var(--accent);
  user-select: none;
}

.install-body .cmd {
  color: var(--text);
}

.install-body .url {
  color: var(--text-dim);
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
}

.copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.install-after {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-faint);
}

.install-after code {
  color: var(--text-dim);
}

/* ---------- sections ---------- */
section {
  padding: 72px 0;
  border-top: 1px solid var(--border-soft);
}

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 620px;
  margin-bottom: 40px;
}

/* ---------- showcase (marquee of commands) ---------- */
.showcase-featured {
  max-width: 720px;
  margin: 0 auto 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.showcase-featured::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 160px at 50% -40px, rgba(52, 211, 153, 0.1), transparent);
  pointer-events: none;
}

.showcase-featured .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
}

.featured-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

#featured-cmd {
  display: block;
  font-family: var(--mono);
  font-size: clamp(14px, 2.3vw, 20px);
  font-weight: 500;
  color: var(--text);
  transition: opacity .18s ease, color 0.5s ease-in-out, text-shadow 0.5s ease-in-out;
  line-height: 1.4;
  word-break: break-word;
}

#featured-cmd.glow {
  color: #fff;
  text-shadow: 0 0 16px var(--accent), 0 0 32px rgba(52, 211, 153, 0.4);
}

#featured-cmd.glow .p {
  color: #fff;
  text-shadow: 0 0 16px var(--accent), 0 0 32px rgba(52, 211, 153, 0.4);
}

#featured-cmd .p {
  color: var(--accent);
  user-select: none;
  transition: color 0.5s ease-in-out, text-shadow 0.5s ease-in-out;
}

.featured-copy {
  position: static;
  flex-shrink: 0;
}

.cmd-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.chip-cmd {
  font-family: var(--mono);
  font-size: 13px;
  white-space: nowrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  color: var(--text-dim);
  cursor: pointer;
  transition: color .25s, border-color .25s, background .25s, box-shadow .25s, transform .1s;
}

.chip-cmd:hover {
  color: var(--text);
  border-color: #3a4150;
}

.chip-cmd:active {
  transform: scale(0.97);
}

.chip-cmd .p {
  color: var(--accent);
  user-select: none;
}

.chip-cmd.active {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 24px rgba(52, 211, 153, 0.25);
}

/* command cards */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color .2s;
}

.card:hover {
  border-color: #2f3440;
}

.card h3 {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card h3 .chip {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 999px;
}

.chip.fb {
  color: var(--amber);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.chip.sb {
  color: var(--blue);
  background: rgba(96, 165, 250, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.chip.cl {
  color: var(--red);
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.chip.tb {
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.card p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 16px;
}

.card pre {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  padding: 12px 14px;
  overflow-x: auto;
}

.card pre .p {
  color: var(--accent);
  user-select: none;
}

.card pre .c {
  color: var(--text-faint);
}

.card pre .f {
  color: var(--amber);
}

/* ---------- frequently-used (tap to reveal) ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s;
}

.faq[open] {
  border-color: #2f3440;
}

.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text);
}

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

.faq summary .q {
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq summary .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
}

.faq summary .chev {
  color: var(--text-faint);
  transition: transform .2s, color .2s;
  font-size: 14px;
  flex-shrink: 0;
}

.faq[open] summary .chev {
  transform: rotate(90deg);
  color: var(--accent);
}

.faq-body {
  padding: 0 22px 20px;
}

.faq-cmd {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 13px;
  overflow-x: auto;
  white-space: nowrap;
}

.faq-cmd .p {
  color: var(--accent);
  user-select: none;
}

.faq-cmd .f {
  color: var(--amber);
}

.faq-cmd .c {
  color: var(--text-faint);
}

.faq-copy {
  position: static;
  margin-top: 10px;
}

.faq-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.faq-note code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

/* features list */
.feat-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 720px) {
  .feat-list {
    grid-template-columns: 1fr;
  }
}

.feat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.feat .ic {
  font-size: 18px;
  margin-bottom: 10px;
  display: block;
}

.feat strong {
  font-size: 14.5px;
  display: block;
  margin-bottom: 4px;
}

.feat span {
  color: var(--text-dim);
  font-size: 13.5px;
}

.feat code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

/* demo terminal */
.demo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.demo-body {
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.85;
  overflow-x: auto;
}

.demo-body .p {
  color: var(--accent);
}

.demo-body .dim {
  color: var(--text-faint);
}

.demo-body .ok {
  color: var(--accent);
}

.demo-body .warn {
  color: var(--amber);
}

.demo-body .txt {
  color: var(--text-dim);
}

/* link from landing to docs */
.docs-link-row {
  margin-top: 28px;
  font-size: 14.5px;
  color: var(--text-dim);
  text-align: center;
}

.docs-link-row a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 211, 153, 0.35);
  transition: border-color .15s;
}

.docs-link-row a:hover {
  border-bottom-color: var(--accent);
}

/* ---------- docs page ---------- */
.nav-links a.active {
  color: var(--accent);
}

.docs-hero {
  padding: 72px 0 48px;
}

.docs-search-wrap {
  max-width: 560px;
  margin: 0 auto;
}

.docs-search {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 18px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.docs-search::placeholder {
  color: var(--text-faint);
}

.docs-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.docs-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 860px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-side {
    display: none;
  }
}

.docs-side {
  position: sticky;
  top: 84px;
  padding: 24px 0;
}

.side-group {
  margin-bottom: 22px;
}

.side-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.docs-side a {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 4px 10px;
  margin-left: -10px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  transition: color .15s, border-color .15s, background .15s;
}

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

.docs-side a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-dim);
}

.docs-main {
  min-width: 0;
}

.docs-section {
  padding: 48px 0;
  border-top: 1px solid var(--border-soft);
}

.docs-section:first-child {
  border-top: none;
  padding-top: 24px;
}

.docs-section .section-sub {
  margin-bottom: 28px;
}

/* task map */
.task-map {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}

.task-row:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.task-row .want {
  color: var(--text-dim);
  font-size: 14px;
}

.task-row:hover .want {
  color: var(--text);
}

.task-row code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  white-space: nowrap;
}

/* doc cards */
.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px;
  margin-bottom: 20px;
  scroll-margin-top: 84px;
}

.doc-card h3 {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.doc-card h3 .p {
  color: var(--accent);
  user-select: none;
}

.doc-card h3 .chip {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 999px;
}

.doc-summary {
  color: var(--text-dim);
  font-size: 14.5px;
  margin-bottom: 16px;
}

.doc-summary code,
.doc-when code,
.doc-note code,
.setup-steps code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
}

.doc-when {
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--text-dim);
  margin-bottom: 18px;
}

.doc-when strong {
  color: var(--accent);
}

.doc-when a {
  color: var(--accent);
}

.doc-usage {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.8;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  padding: 14px 16px;
  overflow-x: auto;
  margin-bottom: 18px;
}

.doc-usage .p {
  color: var(--accent);
  user-select: none;
}

.doc-usage .c {
  color: var(--text-faint);
}

.doc-usage .f {
  color: var(--amber);
}

/* options table */
.opt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  margin-bottom: 18px;
}

.opt-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.opt-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  vertical-align: top;
}

.opt-table tr:last-child td {
  border-bottom: none;
}

.opt-table td:first-child {
  white-space: nowrap;
}

.opt-table code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
  border-radius: 4px;
}

.opt-table td strong {
  color: var(--amber);
}

@media (max-width: 640px) {
  .opt-table td:first-child {
    white-space: normal;
  }
}

/* examples */
.doc-examples {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 6px;
}

.doc-examples .ex {
  position: relative;
}

.doc-examples .faq-cmd {
  padding-right: 74px;
}

.doc-examples .copy-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 8px;
  margin-top: 0;
}

.doc-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-faint);
}

/* setup steps */
.setup-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.setup-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 40px;
  color: var(--text-dim);
  font-size: 14px;
}

.setup-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.setup-steps li strong {
  color: var(--text);
}

.setup-steps .faq-cmd {
  margin-top: 10px;
}

.docs-empty {
  text-align: center;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 14px;
  padding: 40px 0;
}

/* footer cta */
.cta {
  text-align: center;
}

.cta .install {
  margin-top: 32px;
}

footer {
  border-top: 1px solid var(--border-soft);
  padding: 36px 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

footer .fl {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-faint);
}

footer .fl .tick {
  color: var(--accent);
}

footer .fr {
  font-size: 13px;
  color: var(--text-faint);
}

footer .fr code {
  font-family: var(--mono);
  color: var(--text-dim);
}

/* ---------- lazy_build highlight band ---------- */
.lazy-band {
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(52, 211, 153, 0.10), transparent 60%),
    var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.lazy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.lazy-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.lazy-copy h2 {
  font-size: 30px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.lazy-copy > p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 20px;
}

.lazy-copy code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

.lazy-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lazy-points li {
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.lazy-points .tick {
  color: var(--accent);
  margin-right: 8px;
}

.lazy-term {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px -30px rgba(52, 211, 153, 0.35);
}

@media (max-width: 820px) {
  .lazy-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}