/* G4T Studio public site — tokens from the design handoff (dark default, light via data-theme). */
:root, [data-theme='dark'] {
  --bg: #0a0b0c; --s1: #0f1012; --s2: #131416; --s3: #1a1c1f; --s4: #23262a; --bd: #212327; --bd2: #2d3035;
  --tx: #e7e8ea; --tx2: #a4a8af; --tx3: #6e737b;
  --ac: oklch(0.79 0.12 184); --ac-bg: oklch(0.79 0.12 184 / 0.13); --ac-tx: #04211e;
  --get: #4fc47c; --post: #e6b54a; --put: #5ca4f6; --patch: #b78ff3; --del: #f2675d;
  --ok: #4fc47c; --warn: #e9a23b; --err: #f2675d; --c-str: #b5e08c; --c-kw: #d7a2f5;
  --sh: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.05);
  --mono: 'JetBrains Mono', monospace;
  color-scheme: dark;
}
[data-theme='light'] {
  --bg: #f6f7f7; --s1: #eef0f0; --s2: #ffffff; --s3: #f1f3f3; --s4: #e4e8e8; --bd: #e1e4e5; --bd2: #cfd4d6;
  --tx: #14171a; --tx2: #4f565d; --tx3: #80878e;
  --ac: oklch(0.56 0.1 186); --ac-bg: oklch(0.56 0.1 186 / 0.1); --ac-tx: #ffffff;
  --get: #1d8a4b; --post: #a6730c; --put: #2365c4; --patch: #7547cc; --del: #cc3a2f;
  --ok: #1d8a4b; --warn: #b86f0b; --err: #cc3a2f; --c-str: #3d7a17; --c-kw: #8a3fbf;
  --sh: 0 30px 80px rgba(20,30,40,.16), 0 0 0 1px rgba(0,0,0,.06);
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    --bg: #f6f7f7; --s1: #eef0f0; --s2: #ffffff; --s3: #f1f3f3; --s4: #e4e8e8; --bd: #e1e4e5; --bd2: #cfd4d6;
    --tx: #14171a; --tx2: #4f565d; --tx3: #80878e;
    --ac: oklch(0.56 0.1 186); --ac-bg: oklch(0.56 0.1 186 / 0.1); --ac-tx: #ffffff;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); }
body { color: var(--tx); font-family: 'IBM Plex Sans', system-ui, sans-serif; font-size: 15px; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: var(--ac); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; }
.mono { font-family: var(--mono); }
.muted { color: var(--tx3); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
@keyframes g4in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes g4spin { to { transform: rotate(360deg); } }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in oklch, var(--bg) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--bd); }
.nav-inner { height: 60px; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 9px; flex: none; color: var(--tx); font-weight: 600; font-size: 15px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 20px; font-size: 14px; }
.nav-links a, .nav-signin { color: var(--tx2); white-space: nowrap; font-size: 14px; }
.nav-links a.on { color: var(--tx); }
.spacer { flex: 1; }
@media (max-width: 719px) { .nav-links, .nav-signin { display: none; } }

/* buttons */
.btn { height: 36px; padding: 0 14px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; font-size: 13.5px; white-space: nowrap; cursor: pointer; border: none; text-decoration: none !important; }
.btn-primary { background: var(--ac); color: var(--ac-tx); }
.btn-outline { background: transparent; color: var(--tx); border: 1px solid var(--bd2); font-weight: 500; }
.btn-ghost { background: var(--s3); color: var(--tx); border: 1px solid var(--bd2); font-weight: 500; }
.btn-lg { height: 44px; padding: 0 20px; border-radius: 9px; font-size: 14.5px; }
.btn-block { width: 100%; height: 42px; border-radius: 9px; font-size: 14px; }

/* hero */
.hero { padding-top: clamp(48px, 8vw, 92px); }
.hero h1 { font-size: clamp(38px, 6.6vw, 78px); font-weight: 600; letter-spacing: -0.035em; line-height: 1.03; max-width: 920px; text-wrap: balance; }
.hero p.lead { font-size: clamp(16px, 1.7vw, 19px); color: var(--tx2); line-height: 1.6; margin: 22px 0 0; max-width: 640px; text-wrap: pretty; }
.try { margin-top: 32px; max-width: 660px; }
.try-box { display: flex; gap: 6px; padding: 6px; border: 1px solid var(--bd2); border-radius: 12px; background: var(--s2); flex-wrap: wrap; transition: border-color .2s; }
.try-box:focus-within { border-color: var(--ac); }
.try-field { flex: 1 1 280px; min-width: 0; display: flex; align-items: center; gap: 8px; padding: 0 10px; height: 42px; }
.try-field input { flex: 1; min-width: 0; border: none; outline: none; background: transparent; font: 13.5px var(--mono); }
.try-box .btn { flex: 1 0 auto; height: 42px; padding: 0 20px; font-size: 14px; }
.notes { display: flex; gap: 8px 18px; flex-wrap: wrap; margin-top: 12px; font-size: 13px; color: var(--tx3); }

.window { margin-top: clamp(40px, 6vw, 64px); border-radius: 14px; background: var(--s2); box-shadow: var(--sh); overflow: hidden; }
.window-bar { height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 14px; border-bottom: 1px solid var(--bd); background: var(--s1); }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.window-title { flex: 1; text-align: center; font-size: 12px; color: var(--tx3); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
/* landing: static app tour (same for every visitor) */
.demo-body { position: relative; display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 520px; background: var(--bg); font-size: 12.5px; text-align: left; }
.demo-side { border-right: 1px solid var(--bd); background: var(--s1); padding: 14px 10px; display: flex; flex-direction: column; gap: 6px; }
.demo-label { font-size: 10px; font-weight: 600; letter-spacing: .5px; color: var(--tx3); padding: 6px 6px 0; }
.demo-ws { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border: 1px solid var(--bd); border-radius: 8px; background: var(--s2); }
.demo-ws b { display: block; font-size: 12.5px; font-weight: 600; }
.demo-ws small { display: block; font-size: 11px; color: var(--tx3); }
.demo-av { width: 24px; height: 24px; border-radius: 6px; display: grid; place-items: center; color: #fff; font: 700 11px var(--mono); flex: none; }
.demo-sync { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in oklch, var(--ok) 18%, transparent); margin: 0 4px; flex: none; }
.demo-tree { margin-top: 6px; display: flex; flex-direction: column; gap: 1px; }
.demo-folder { padding: 6px 8px; color: var(--tx2); font-weight: 500; }
.demo-ep { display: flex; align-items: center; gap: 8px; padding: 5px 8px 5px 18px; border-radius: 6px; color: var(--tx2); white-space: nowrap; overflow: hidden; }
.demo-ep.on { background: var(--s4); color: var(--tx); }
.demo-ep i { font: 600 9.5px var(--mono); font-style: normal; width: 36px; flex: none; }
.m-get { color: var(--get); } .m-post { color: var(--post); } .m-put { color: var(--put); } .m-patch { color: var(--patch); } .m-delete { color: var(--del); }
.demo-new { font: 600 9px var(--mono); color: var(--ok); background: color-mix(in oklch, var(--ok) 14%, transparent); padding: 1px 5px; border-radius: 4px; margin-left: 4px; }
.demo-main { min-width: 0; display: flex; flex-direction: column; }
.demo-tabs, .demo-sub { display: flex; gap: 18px; padding: 0 18px; height: 42px; align-items: center; border-bottom: 1px solid var(--bd); color: var(--tx2); white-space: nowrap; overflow: hidden; }
.demo-tabs .on, .demo-sub .on { color: var(--tx); font-weight: 600; box-shadow: inset 0 -2px 0 var(--ac); height: 100%; display: flex; align-items: center; }
.demo-tabs em, .demo-sub em { font-style: normal; font: 600 10px var(--mono); color: var(--warn); background: color-mix(in oklch, var(--warn) 14%, transparent); padding: 1px 5px; border-radius: 8px; margin-left: 4px; }
.demo-sub em { color: var(--tx3); background: var(--s3); }
.demo-url { display: flex; align-items: center; gap: 10px; margin: 16px 18px 0; padding: 6px 6px 6px 12px; border: 1px solid var(--bd2); border-radius: 10px; background: var(--s2); }
.demo-method { font: 600 11.5px var(--mono); color: var(--post); }
.demo-path { flex: 1; min-width: 0; font: 13px var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-path .var { color: var(--ac); }
.demo-send { background: var(--ac); color: var(--ac-tx); font-weight: 600; border-radius: 7px; padding: 7px 18px; animation: demo-press 6s ease-in-out infinite; }
.demo-split { flex: 1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 16px 18px 20px; }
.demo-pane { border: 1px solid var(--bd); border-radius: 10px; background: var(--s1); overflow: hidden; min-width: 0; }
.demo-sub { gap: 14px; padding: 0 14px; height: 36px; font-size: 12px; }
.demo-status { color: var(--ok); font: 600 11.5px var(--mono); }
.demo-tests { margin-left: auto; color: var(--ok); font-size: 11.5px; }
.demo-code { margin: 0; padding: 14px 16px; font: 12px/1.75 var(--mono); color: var(--tx2); overflow: hidden; white-space: pre; }
.demo-code k { color: #8ec7ff; } .demo-code s { color: var(--c-str); text-decoration: none; } .demo-code n { color: #f0a76b; } .demo-code b { color: var(--c-kw); font-weight: 400; }
[data-theme='light'] .demo-code k { color: #1f5fae; } [data-theme='light'] .demo-code n { color: #b0540f; }
.demo-resp { animation: demo-resp 6s ease-in-out infinite; }
.demo-toast { position: absolute; right: 22px; bottom: 22px; width: min(360px, calc(100% - 44px)); background: var(--s2); border: 1px solid var(--bd2); border-radius: 12px; box-shadow: var(--sh); padding: 14px; display: flex; flex-direction: column; gap: 8px; animation: demo-float 6s ease-in-out infinite; }
.demo-toast-head { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.demo-toast-head .muted { margin-left: auto; font-size: 11px; }
.demo-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); animation: demo-pulse 1.6s ease-out infinite; }
.demo-diff { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 11.5px; }
.demo-diff span { font: 600 10px var(--mono); padding: 2px 6px; border-radius: 4px; width: 84px; flex: none; }
.demo-diff .add { color: var(--ok); background: color-mix(in oklch, var(--ok) 13%, transparent); }
.demo-diff .mod { color: var(--warn); background: color-mix(in oklch, var(--warn) 13%, transparent); }
.demo-diff .dep { color: var(--err); background: color-mix(in oklch, var(--err) 13%, transparent); }
.demo-diff code { font: 11.5px var(--mono); color: var(--tx); }
.demo-diff small { flex-basis: 100%; padding-left: 92px; color: var(--tx3); font-size: 11px; }
.demo-diff small s { color: var(--ok); text-decoration: none; font-family: var(--mono); }
.demo-toast-foot { display: flex; align-items: center; gap: 10px; margin-top: 4px; font-size: 11px; }
.demo-btn { background: var(--ac); color: var(--ac-tx); font-weight: 600; font-size: 12px; border-radius: 7px; padding: 6px 12px; }
@keyframes demo-press { 0%, 8%, 100% { transform: scale(1); } 4% { transform: scale(.94); } }
@keyframes demo-resp { 0%, 5% { opacity: .15; } 14%, 100% { opacity: 1; } }
@keyframes demo-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes demo-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--warn) 60%, transparent); } 100% { box-shadow: 0 0 0 9px transparent; } }
@media (prefers-reduced-motion: reduce) { .demo-send, .demo-resp, .demo-toast, .demo-pulse { animation: none; } }
@media (max-width: 960px) { .demo-split { grid-template-columns: minmax(0, 1fr); } .demo-body { padding-bottom: 210px; } }
@media (max-width: 719px) {
    .demo-body { grid-template-columns: minmax(0, 1fr); }
    .demo-side { display: none; }
    .demo-tabs { gap: 14px; padding: 0 14px; }
    .demo-url { margin: 14px 14px 0; }
    .demo-split { padding: 14px; }
    .demo-toast { right: 14px; bottom: 14px; width: calc(100% - 28px); }
    .demo-tests { display: none; }
}
.window-foot { display: flex; align-items: center; gap: 8px 16px; padding: 12px 16px; border-top: 1px solid var(--bd); background: var(--s1); flex-wrap: wrap; font-size: 12.5px; color: var(--tx3); }
.kbd { font: 500 11px var(--mono); color: var(--tx2); border: 1px solid var(--bd2); border-radius: 4px; padding: 0 5px; }

/* sections */
.section { padding-top: clamp(72px, 10vw, 120px); scroll-margin-top: 70px; }
.kicker { font: 600 12px var(--mono); color: var(--ac); letter-spacing: .5px; }
.section h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 600; letter-spacing: -0.025em; line-height: 1.1; margin-top: 12px; max-width: 720px; text-wrap: balance; }
.grid-cells { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 1px; background: var(--bd); border: 1px solid var(--bd); border-radius: 14px; overflow: hidden; margin-top: 36px; }
.grid-cells > div { background: var(--bg); padding: 26px 24px; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 500; padding: 0 9px; border-radius: 10px; line-height: 22px; }
.badge i { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.cell-title { font-size: 17px; font-weight: 600; margin-top: 16px; }
.cell-body { font-size: 14px; color: var(--tx2); line-height: 1.6; margin-top: 8px; text-wrap: pretty; }
.split { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
.split > * { min-width: 0; }
.checks { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.checks div { display: flex; gap: 12px; font-size: 14.5px; color: var(--tx2); }
.checks span { color: var(--ac); flex: none; }
.code-card { flex: 1 1 440px; border: 1px solid var(--bd); border-radius: 14px; background: var(--s1); overflow: hidden; }
.code-tabs { display: flex; gap: 2px; padding: 6px; border-bottom: 1px solid var(--bd); overflow-x: auto; }
.code-tabs button { height: 28px; padding: 0 12px; border: none; border-radius: 6px; background: transparent; color: var(--tx3); font: 12px var(--mono); cursor: pointer; white-space: nowrap; }
.code-tabs button.on { background: var(--s4); color: var(--tx); }
.code-body { padding: 16px 18px; font: 13px/22px var(--mono); overflow-x: auto; min-height: 220px; white-space: pre; }
.code-body .c { color: var(--tx3); } .code-body .s { color: var(--c-str); } .code-body .k { color: var(--c-kw); } .code-body .ok { color: var(--ok); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 12px; margin-top: 36px; }
.feature { padding: 22px; border: 1px solid var(--bd); border-radius: 12px; background: var(--s2); }
.feature .k { font: 600 11px var(--mono); color: var(--tx3); }
.feature .t { font-size: 16px; font-weight: 600; margin-top: 12px; }
.feature .d { font-size: 14px; color: var(--tx2); line-height: 1.6; margin-top: 6px; }
.cta-card { border: 1px solid var(--bd); border-radius: 18px; background: var(--s2); padding: clamp(28px, 5vw, 56px); display: flex; flex-wrap: wrap; gap: 32px; align-items: center; }
.term { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border: 1px solid var(--bd); border-radius: 10px; background: var(--s1); font: 13px var(--mono); overflow-x: auto; white-space: nowrap; }

.footer { padding-top: 72px; padding-bottom: 40px; display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; font-size: 13px; color: var(--tx3); }
.footer a { color: var(--tx3); }

/* pricing */
.pricing-head { text-align: center; padding: 64px 0 36px; }
.pricing-head h1 { font-size: clamp(30px, 5vw, 48px); font-weight: 600; letter-spacing: -1px; line-height: 1.1; text-wrap: balance; }
.pricing-head p { font-size: 16px; color: var(--tx2); margin: 16px auto 0; max-width: 560px; line-height: 1.6; }
.toggle { display: inline-flex; align-items: center; gap: 2px; padding: 3px; background: var(--s3); border-radius: 10px; margin-top: 28px; }
.toggle button { height: 32px; padding: 0 16px; border: none; border-radius: 7px; background: transparent; color: var(--tx2); cursor: pointer; font-size: 13px; display: flex; align-items: center; gap: 8px; }
.toggle button.on { background: var(--s2); color: var(--tx); }
.toggle .save { font-size: 11px; font-weight: 600; color: var(--ac); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; align-items: stretch; }
.plan { background: var(--s2); border: 1px solid var(--bd); border-radius: 14px; padding: 24px; position: relative; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--ac); box-shadow: 0 0 0 4px var(--ac-bg); }
.plan .pop { position: absolute; top: -11px; left: 22px; font-size: 11px; font-weight: 600; background: var(--ac); color: var(--ac-tx); padding: 2px 9px; border-radius: 10px; }
.plan .name { font-size: 16px; font-weight: 600; }
.plan .tag { font-size: 13px; color: var(--tx3); margin-top: 4px; min-height: 20px; }
.plan .price { display: flex; align-items: baseline; gap: 4px; margin: 20px 0 4px; }
.plan .price b { font: 600 36px var(--mono); letter-spacing: -1px; }
.plan .price span, .plan .note { font-size: 13px; color: var(--tx3); }
.plan .note { font-size: 12px; min-height: 18px; }
.plan .cta { height: 40px; margin: 18px 0 20px; }
.plan ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.plan li { display: flex; gap: 9px; font-size: 13px; color: var(--tx2); line-height: 1.4; }
.plan li::before { content: '✓'; color: var(--ac); flex: none; }
[data-period='yearly'] .monthly-only, [data-period='monthly'] .yearly-only { display: none; }
.matrix { overflow-x: auto; border: 1px solid var(--bd); border-radius: 12px; background: var(--s2); }
.matrix table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 13px; }
.matrix th, .matrix td { padding: 11px 18px; text-align: left; border-bottom: 1px solid var(--bd); }
.matrix thead th { font-size: 13.5px; font-weight: 600; position: sticky; top: 0; background: var(--s2); }
.matrix td:first-child { color: var(--tx2); }
.matrix td.v { font-family: var(--mono); }
.matrix .grp td { font-size: 11.5px; font-weight: 600; color: var(--tx3); letter-spacing: .4px; padding-top: 16px; padding-bottom: 8px; }
.yes { color: var(--ac); } .no { color: var(--tx3); }

/* auth / onboarding */
.auth-shell { min-height: 100vh; display: flex; flex-direction: column; }
.auth-top { height: 60px; display: flex; align-items: center; gap: 10px; padding: 0 24px; }
.auth-main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px 16px 60px; }
.auth-card { width: 100%; max-width: 400px; animation: g4in .25s ease-out; }
.auth-card.wide { max-width: 520px; }
.auth-card.xwide { max-width: 820px; }
.auth-card h1 { font-size: 26px; font-weight: 600; margin: 0 0 6px; letter-spacing: -0.4px; }
.auth-card .sub { font-size: 14px; color: var(--tx2); margin: 0 0 24px; }
.step { font-size: 12.5px; color: var(--tx3); margin-bottom: 8px; }
.oauth { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.oauth a { height: 40px; border: 1px solid var(--bd2); border-radius: 9px; background: var(--s2); color: var(--tx); display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13.5px; text-decoration: none; }
.or { display: flex; align-items: center; gap: 12px; margin: 20px 0; font-size: 12px; color: var(--tx3); }
.or::before, .or::after { content: ''; flex: 1; height: 1px; background: var(--bd); }
.form { display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--tx2); }
.field .row { display: flex; justify-content: space-between; }
.field input, .field select { height: 40px; border: 1px solid var(--bd2); border-radius: 9px; background: var(--s3); padding: 0 12px; outline: none; font-size: 14px; color: var(--tx); }
.field input:focus { border-color: var(--ac); }
.field.invalid input { border-color: var(--err); }
.error { font-size: 12.5px; color: var(--err); }
.flash { font-size: 13px; padding: 10px 12px; border-radius: 9px; background: var(--ac-bg); color: var(--tx); margin-bottom: 16px; }
.flash.err { background: color-mix(in oklch, var(--err) 13%, transparent); }
.switch { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; font-size: 13px; color: var(--tx2); flex-wrap: wrap; gap: 10px; }
.dashed { margin-top: 28px; padding: 14px 16px; border: 1px dashed var(--bd2); border-radius: 10px; display: flex; align-items: center; gap: 12px; }
.dashed .txt { flex: 1; font-size: 12.5px; color: var(--tx2); line-height: 1.5; }
.dashed .txt b { color: var(--tx); font-weight: 500; display: block; }
.types { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; }
.types label { padding: 12px; border: 1px solid var(--bd); border-radius: 10px; background: var(--s2); cursor: pointer; }
.types input { display: none; }
.types label:has(input:checked) { border-color: var(--ac); background: var(--ac-bg); }
.types b { font-size: 13px; font-weight: 500; display: block; }
.types span { font-size: 11.5px; color: var(--tx3); margin-top: 3px; line-height: 1.4; display: block; }
.invite-row { padding: 14px 16px; border: 1px solid var(--bd); border-radius: 10px; display: flex; align-items: center; gap: 12px; background: var(--s2); }
.tile { width: 32px; height: 32px; border-radius: 8px; color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; flex: none; }
.starts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.start-hero { grid-column: 1 / -1; display: flex; gap: 18px; align-items: center; padding: 22px; border: 1px solid var(--ac); border-radius: 14px; background: var(--ac-bg); color: var(--tx); flex-wrap: wrap; text-decoration: none !important; }
.start-hero .rec { font-size: 10.5px; font-weight: 600; color: var(--ac-tx); background: var(--ac); padding: 1px 7px; border-radius: 9px; }
.start-card { padding: 18px; border: 1px solid var(--bd); border-radius: 12px; background: var(--s2); color: var(--tx); display: block; text-decoration: none !important; }
.start-card:hover { border-color: var(--bd2); }
.start-card .tg { font: 600 11px var(--mono); color: var(--tx3); }
.start-card .n { font-size: 14.5px; font-weight: 600; margin-top: 10px; }
.start-card .d { font-size: 12.5px; color: var(--tx2); margin-top: 4px; line-height: 1.5; }

/* download */
.oses { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; text-align: left; }
.os { padding: 20px; border: 1px solid var(--bd); border-radius: 14px; background: var(--s2); display: flex; flex-direction: column; gap: 12px; }
.os.mine { border-color: var(--ac); }
.os .det { font-size: 10.5px; font-weight: 600; color: var(--ac); display: none; }
.os.mine .det { display: inline; }
.os .btn { height: 38px; }
.os:not(.mine) .btn { background: var(--s3); color: var(--tx); border: 1px solid var(--bd2); }
.alts { display: flex; gap: 10px; font-size: 12px; flex-wrap: wrap; }

/* docs */
.prose { max-width: 760px; line-height: 1.7; color: var(--tx2); }
.prose h1 { font-size: clamp(28px, 4vw, 40px); color: var(--tx); letter-spacing: -0.8px; line-height: 1.15; }
.prose h2 { font-size: 20px; color: var(--tx); margin-top: 36px; }
.prose pre { background: var(--s1); border: 1px solid var(--bd); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font: 13px/1.7 var(--mono); color: var(--tx); }
.prose code { font-family: var(--mono); font-size: 13px; color: var(--tx); }

/* published API docs */
.docs-top { --dt: 56px; height: var(--dt); display: flex; align-items: center; gap: 14px; padding: 0 20px; border-bottom: 1px solid var(--bd); position: sticky; top: 0; background: var(--bg); z-index: 10; }
.docs-badge { width: 24px; height: 24px; border-radius: 6px; background: var(--ac); color: var(--ac-tx); display: grid; place-items: center; font: 700 10px/1 var(--mono); flex: none; }
.docs-body { --dt: 56px; display: flex; min-height: calc(100dvh - var(--dt)); }
.docs-nav { width: 280px; flex: none; border-right: 1px solid var(--bd); background: var(--s1); padding: 16px 10px; position: sticky; top: var(--dt); height: calc(100dvh - var(--dt)); overflow: auto; overscroll-behavior: contain; }
.docs-nav a { min-height: 32px; display: flex; align-items: center; gap: 8px; padding: 4px 10px; border-radius: 6px; font-size: 13px; color: var(--tx2); text-decoration: none; }
.docs-nav a:hover { background: var(--s3); }
.docs-nav a.on { background: var(--s4); color: var(--tx); }
.docs-nav .grp { padding: 16px 10px 6px; font-size: 11px; font-weight: 600; color: var(--tx3); letter-spacing: .4px; text-transform: uppercase; }
.docs-nav .m { width: 44px; flex: none; font: 600 10px var(--mono); }
.docs-main { flex: 1; min-width: 0; padding: 32px clamp(16px, 4vw, 48px) 64px; }
.docs-cols { max-width: 1100px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 32px; }
.docs-cols > div { min-width: 0; }
.docs-side { flex: 1 1 380px; display: flex; flex-direction: column; gap: 16px; position: sticky; top: 88px; align-self: flex-start; }
.docs-h1 { font-size: clamp(22px, 5.5vw, 28px); font-weight: 600; margin: 6px 0 14px; letter-spacing: -0.4px; overflow-wrap: anywhere; }
.docs-ep { display: flex; align-items: baseline; gap: 10px; color: var(--tx); text-decoration: none; }
.docs-ep .m { width: 56px; flex: none; font: 600 11px var(--mono); }
.docs-ep .p { font: 12.5px var(--mono); min-width: 0; overflow-wrap: anywhere; }
.docs-ep .n { margin-left: auto; font-size: 12.5px; color: var(--tx3); text-align: right; }
.docs-scrim { display: none; }
[data-resp-body] { scroll-margin-top: calc(var(--dt) + 12px); }
.docs-path { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--bd); border-radius: 9px; background: var(--s2); font: 13px var(--mono); overflow-x: auto; white-space: nowrap; }
.docs-box { border: 1px solid var(--bd); border-radius: 10px; overflow: hidden; }
.docs-box > div { padding: 12px 16px; border-bottom: 1px solid var(--bd); }
.docs-box > div:last-child { border-bottom: none; }
.docs-code { border: 1px solid var(--bd); border-radius: 10px; background: var(--s1); overflow: hidden; }
.docs-code .tabs { display: flex; gap: 2px; padding: 6px; border-bottom: 1px solid var(--bd); overflow-x: auto; }
.docs-code .tabs button { height: 26px; padding: 0 10px; border: none; border-radius: 6px; background: transparent; color: var(--tx3); font: 12px var(--mono); cursor: pointer; }
.docs-code .tabs button.on { background: var(--s4); color: var(--tx); }
.docs-code pre { margin: 0; padding: 14px 16px; font: 12.5px/1.7 var(--mono); overflow-x: auto; color: var(--tx); }
.resp { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--bd); border-radius: 8px; cursor: pointer; font-size: 13px; background: none; width: 100%; text-align: left; color: var(--tx); }
.resp.on { border-color: var(--ac); background: var(--ac-bg); }
/* tablet & phone: the nav becomes a drawer, code samples stack under the reference */
@media (max-width: 900px) {
    .docs-nav { display: none; }
    .docs-nav.open { display: block; position: fixed; top: var(--dt); left: 0; bottom: 0; width: min(300px, 86vw); height: auto; z-index: 20; box-shadow: var(--sh); }
    .docs-scrim.open { display: block; position: fixed; inset: var(--dt) 0 0 0; background: rgba(0, 0, 0, .45); z-index: 15; }
    .docs-side { position: static; flex-basis: 100%; }
    .docs-main { padding-top: 24px; }
}
/* phone: search drops to its own row so it gets the full width */
@media (max-width: 560px) {
    .docs-top, .docs-body { --dt: 100px; }
    .docs-top { flex-wrap: wrap; align-content: center; gap: 8px; padding: 0 12px; }
    .docs-top .spacer, .docs-title .muted, .docs-run { display: none; }
    .docs-title { flex: 1; }
    #docs-search { order: 5; flex: 1 0 100%; width: auto !important; height: 36px !important; font-size: 16px !important; }
    .docs-cols { gap: 24px; }
    .docs-ep { flex-wrap: wrap; row-gap: 2px; }
    .docs-ep .p { flex: 1 1 0; }
    .docs-ep .n { flex-basis: 100%; margin-left: 66px; text-align: left; }
    .docs-box > div { padding: 12px; }
    .docs-code pre { padding: 12px; font-size: 12px; }
}