:root {
  color-scheme: dark;
  --paper: #11110f;
  --surface: #191917;
  --ink: #efefe9;
  --muted: #aaa9a1;
  --faint: #7f7f78;
  --line: #30302d;
  --line-dark: #484843;
  --accent: #d5a04c;
  --accent-soft: #2a241b;
  --code: #090908;
  --code-ink: #efefe9;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
a { color: inherit; }

/* ---------- top bar + contents drawer ---------- */
.bar {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 17, 15, .92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.bar-in {
  width: min(100% - 40px, 1040px);
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -.01em;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: var(--surface);
}

.brand em {
  display: block;
  margin-top: 1px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0;
}

.brand span {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.grow { flex: 1; }

.menu-btn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

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

.menu-btn svg {
  width: 20px;
  height: 20px;
}

.menu-btn .ic-close { display: none; }
.menu-btn[aria-expanded="true"] .ic-open { display: none; }
.menu-btn[aria-expanded="true"] .ic-close { display: block; }

.scrim {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0, 0, 0, .55);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}

.scrim.show {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 90;
  width: min(340px, 92vw);
  height: 100vh;
  height: 100dvh;
  padding: 18px 20px 26px;
  overflow-y: auto;
  border-left: 1px solid var(--line-dark);
  background: var(--surface);
  transform: translateX(102%);
  transition: transform .26s cubic-bezier(.2, .7, .3, 1);
}

.drawer.open {
  transform: none;
  box-shadow: -18px 0 44px rgba(0, 0, 0, .35);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: .02em;
}

.drawer-close {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.drawer-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.drawer-links {
  margin: 4px 0 18px;
}

.drawer-links a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 550;
  text-decoration: none;
}

.drawer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.drawer-links b {
  width: 24px;
  flex: 0 0 auto;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-align: right;
}

.drawer-download {
  width: 100%;
  margin-top: 4px;
}

body.drawer-open {
  overflow: hidden;
}

.page {
  width: min(100% - 40px, 1040px);
  margin: 0 auto;
}

.hero,
.wrap {
  width: min(100%, 780px);
}

.hero { padding: 76px 0 64px; }

.tag,
.num {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 680;
  letter-spacing: -.055em;
  line-height: .98;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 650;
  letter-spacing: -.035em;
  line-height: 1.1;
}

h3 {
  margin: 42px 0 14px;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -.018em;
  line-height: 1.3;
}

h4 {
  margin-bottom: 7px;
  font-size: 17px;
  line-height: 1.35;
}

.sub {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.65;
}

.acts {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 17px;
  border: 1px solid #ecece6;
  border-radius: 4px;
  background: #ecece6;
  color: #151513;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.btn:not(.go) {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--ink);
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #151513;
}

.btn svg {
  width: 17px;
  height: 17px;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 38px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.facts div {
  display: flex;
  gap: 7px;
}

.facts b { color: var(--ink); }

.rule {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--line);
}

section { padding: 68px 0; }

.box {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--line-dark);
  background: var(--surface);
}

.box .t {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
  font-weight: 750;
}

.box p:last-child { margin-bottom: 0; }
.box.good { border-left-color: var(--accent); }
.box.bad { border-left-color: #9b3f32; }

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

.inl {
  padding: .1em .35em;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  font-size: .9em;
}

.cb {
  position: relative;
  margin: 18px 0 30px;
  overflow: hidden;
  border: 1px solid #30302e;
  border-radius: 6px;
  background: var(--code);
}

.cb-t {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px 8px 15px;
  border-bottom: 1px solid #363634;
  color: #aaa9a2;
  font-family: var(--mono);
  font-size: 11px;
}

.cb-t i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.cb-t span { flex: 1; }

.cb-c {
  padding: 5px 9px;
  border: 1px solid #4b4b47;
  border-radius: 3px;
  background: transparent;
  color: #deded8;
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
}

.cb-c:hover,
.cb-c.ok {
  border-color: var(--accent);
  color: #e2b56f;
}

pre {
  margin: 0;
  padding: 19px;
  overflow: auto;
  color: var(--code-ink);
  font: 12.5px/1.65 var(--mono);
  tab-size: 2;
}

.tc { color: #7f817b; }
.gu { color: #e7b56b; }
.gt { color: #a9cbd3; }
.gk { color: #d7a8c7; }
.gn { color: #b6d58e; }
.tx { color: #8f918b; }
.tt { color: #e5b56d; }
.ta { color: #a8cbd1; }
.tav { color: #bdd59a; }

.tw {
  width: 100%;
  margin: 20px 0 34px;
  overflow-x: auto;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

tbody tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; }

.req {
  color: var(--accent);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.steps {
  margin-top: 30px;
  counter-reset: step;
}

.stp {
  position: relative;
  padding: 0 0 34px 50px;
}

.stp:last-child { padding-bottom: 4px; }

.stp::before {
  position: absolute;
  left: 0;
  top: 1px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent);
  content: counter(step);
  counter-increment: step;
  font: 700 11px/1 var(--mono);
}

.stp::after {
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: var(--line);
  content: "";
}

.stp:last-child::after { display: none; }

.stp p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.tools {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 24px 0 18px;
}

.chips {
  display: flex;
  gap: 7px;
  flex: 1;
  padding-bottom: 2px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.chip {
  flex: 0 0 auto;
  padding: 7px 11px;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}

.chip:hover,
.chip.on {
  border-color: var(--ink);
  color: var(--ink);
}

.chip.on {
  background: #ecece6;
  color: #151513;
}

.chip i {
  margin-left: 5px;
  color: inherit;
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  opacity: .65;
}

.find {
  width: 240px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
}

.find:focus {
  outline: 2px solid rgba(155, 100, 20, .2);
  outline-offset: 1px;
  border-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 10px;
}

.fx {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

.fx:hover { border-color: var(--line-dark); }

.fx.pro {
  border-color: #6a5431;
  background: var(--accent-soft);
}

.fx .n {
  margin-bottom: 7px;
  font-size: 15px;
  font-weight: 680;
}

.fx .d {
  flex: 1;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.fx .m {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 14px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
}

.fx .tag {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.fx .dl {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
}

.none {
  padding: 36px 0;
  color: var(--muted);
  font-size: 14px;
}

.note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.acc {
  margin-top: 28px;
  border-top: 1px solid var(--line-dark);
}

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

.acc summary {
  position: relative;
  padding: 18px 42px 18px 0;
  color: var(--ink);
  font-weight: 620;
  list-style: none;
  cursor: pointer;
}

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

.acc summary::after {
  position: absolute;
  right: 4px;
  color: var(--accent);
  content: "+";
  font-family: var(--mono);
  font-size: 18px;
}

.acc details[open] summary::after { content: "−"; }

.acc .bd {
  max-width: 720px;
  padding: 0 42px 20px 0;
  color: var(--muted);
  font-size: 15px;
}

.acc .bd p:last-child { margin-bottom: 0; }

footer {
  padding: 28px 0 70px;
  border-top: 1px solid var(--line-dark);
  color: var(--muted);
  font-size: 13px;
}

footer p { margin-bottom: 0; }

@media (max-width: 720px) {
  .bar-in {
    width: min(100% - 32px, 1040px);
  }

  .brand em {
    display: none;
  }

  .page { width: min(100% - 32px, 1040px); }
  .hero { padding: 52px 0 48px; }
  h1 { font-size: clamp(40px, 13vw, 58px); }
  h3 { margin-top: 34px; }
  section { padding: 50px 0; }
  .acts, .acts .btn { width: 100%; }
  .facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .tools {
    align-items: stretch;
    flex-direction: column;
  }
  .chips { width: calc(100vw - 32px); }
  .find { width: 100%; }
  .grid { grid-template-columns: 1fr; }
  .fx { min-height: 132px; }
  .stp { padding-left: 43px; }
  .stp::before {
    width: 27px;
    height: 27px;
  }
  .stp::after {
    left: 13px;
    top: 31px;
  }
  th,
  td {
    padding: 11px 10px;
    font-size: 13px;
  }
  th:first-child,
  td:first-child { min-width: 125px; }
  pre {
    padding: 16px;
    font-size: 11.5px;
  }
}

@media (max-width: 500px) {
  .bar-in {
    height: 58px;
    gap: 10px;
  }

  .brand {
    gap: 9px;
    font-size: 14px;
  }

  .brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .menu-btn {
    width: 40px;
    height: 40px;
  }

  .hero {
    padding: 44px 0 42px;
  }

  h1 {
    font-size: clamp(32px, 12vw, 46px);
    letter-spacing: -.05em;
  }

  h2 {
    font-size: clamp(24px, 8vw, 34px);
  }

  h3 {
    margin: 30px 0 12px;
    font-size: 19px;
  }

  .sub {
    font-size: 16px;
  }

  section {
    padding: 44px 0;
  }

  .facts {
    gap: 7px 10px;
    margin-top: 30px;
  }

  .box {
    padding: 15px 16px;
  }

  .stp {
    padding-left: 38px;
  }

  .stp::before {
    width: 25px;
    height: 25px;
    font-size: 10px;
  }

  .stp::after {
    left: 12px;
    top: 29px;
  }

  .stp p {
    font-size: 14px;
  }

  th,
  td {
    padding: 10px 8px;
    font-size: 12.5px;
  }

  pre {
    padding: 14px;
    font-size: 11px;
  }

  .drawer {
    width: min(300px, 92vw);
    padding: 14px 14px 20px;
  }

  .drawer-links a {
    gap: 10px;
    padding: 8px 2px;
    font-size: 13.5px;
  }

  .acc .bd {
    padding-right: 16px;
  }

  footer {
    padding-bottom: 48px;
  }
}

@media (max-width: 360px) {
  .facts {
    grid-template-columns: 1fr;
  }

  .brand img {
    width: 28px;
    height: 28px;
  }
}

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