/* =========================================================================
   Sparke — site styles
   Flat, modern, Mintlify-inspired. Dark ink with a single ember accent.
   ========================================================================= */
:root{
  --ink:#0a0a0b;
  --ink-2:#0d0d0f;
  --surface:#111113;
  --surface-2:#16161a;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.12);
  --text:#f3f3f4;
  --text-2:#b2b2b9;
  --muted:#74747c;
  --spark:#ff7a1a;
  --spark-2:#ffa94d;
  --spark-soft:rgba(255,122,26,.12);
  --green:#7fd49a;
  --blue:#7fb6ff;
  --purple:#c79bff;
  --steel:#69727f;
  --r:12px;
  --r-lg:16px;
  --max:1200px;
  --nav-h:60px;
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --nav-bg:rgba(10,10,11,.72);
  --glow:rgba(255,122,26,.10);
  --grid-dot:rgba(255,255,255,.04);
  --hover:rgba(255,255,255,.05);
  --code-ink:#e7d6b8;
  /* syntax tokens */
  --tc-comment:#5d6470; --tc-tag:#ff9e57; --tc-attr:#ffa94d; --tc-str:#9fd39a;
  --tc-punct:#74747b; --tc-kw:#c79bff; --tc-fn:#7fb6ff; --tc-prop:#e3d3a4; --tc-num:#f7c873;
}

/* ---------- light theme ---------- */
[data-theme="light"]{
  --ink:#fafbfc; --ink-2:#ffffff; --surface:#f1f4f8; --surface-2:#e8ecf2;
  --line:rgba(15,23,42,.09); --line-2:rgba(15,23,42,.15);
  --text:#0f172a; --text-2:#475569; --muted:#7c8696;
  --spark:#e85d04; --spark-2:#bf4a08; --spark-soft:rgba(232,93,4,.10);
  --green:#15803d; --blue:#2563eb; --purple:#7c3aed; --steel:#94a3b8;
  --nav-bg:rgba(247,248,250,.8);
  --glow:rgba(232,93,4,.06);
  --grid-dot:rgba(15,23,42,.045);
  --hover:rgba(15,23,42,.05);
  --code-ink:#9a3412;
  --tc-comment:#9a958b; --tc-tag:#c2410c; --tc-attr:#b45309; --tc-str:#15803d;
  --tc-punct:#8d887e; --tc-kw:#7c3aed; --tc-fn:#2563eb; --tc-prop:#92400e; --tc-num:#b45309;
}

*{box-sizing:border-box}
/* instant, not smooth: a smooth html scroll makes Sparke's scroll-to-top on
   navigation visibly slide up from the previous offset. TOC clicks scroll
   smoothly via JS instead (see site.js). */
/* Anchor offset for the fixed nav lives on the heading scroll-margin-top (90px,
   below). Don't also set scroll-padding-top here: the two stack during
   scrollIntoView and push headings to ~180px, which breaks the TOC scrollspy. */
html{scroll-behavior:auto}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--sans);font-weight:400;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* subtle atmosphere — restrained, flat-friendly */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:radial-gradient(ellipse 70% 45% at 50% -10%, var(--glow), transparent 60%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;
  background-image:radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size:36px 36px;
  -webkit-mask-image:radial-gradient(ellipse 110% 70% at 50% 0%, #000 20%, transparent 75%);
          mask-image:radial-gradient(ellipse 110% 70% at 50% 0%, #000 20%, transparent 75%);
}
::selection{background:rgba(255,122,26,.26);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

/* ---------- shared atoms ---------- */
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.2em;
  text-transform:uppercase;color:var(--spark-2);display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:14px;height:1px;background:var(--spark)}
.spark-word{color:var(--spark)}

/* logo — kinetic spark darting into a dot */
.logo{display:block;color:var(--spark)}
.logo .dot{fill:currentColor}
.logo .streak{stroke:currentColor;stroke-width:2.6;stroke-linecap:round;fill:none}

/* ---------- buttons (flat) ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);
  font-size:14px;font-weight:500;line-height:1;padding:11px 17px;border-radius:10px;
  border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s;
  white-space:nowrap;
}
.btn-primary{background:var(--spark);color:#180c02;font-weight:600;border-color:var(--spark)}
.btn-primary:hover{background:var(--spark-2);border-color:var(--spark-2)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--text-2);background:var(--hover)}
.btn-sm{padding:8px 13px;font-size:13px;border-radius:9px}

/* install / copy chip - flat, readable, no layout shift */
.chip{
  display:inline-flex;align-items:center;gap:12px;max-width:100%;
  font-family:var(--mono);font-size:13px;color:var(--text);
  background:var(--surface);border:1px solid var(--line-2);border-radius:10px;
  padding:8px 9px 8px 14px;
}
.chip .chip-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip .chip-pre{color:var(--spark);user-select:none}
.chip .copy-btn{flex:none}
/* light mode: white surface to match the code window */
[data-theme="light"] .chip{background:var(--ink-2)}

/* ---------- nav (shared, all pages) ---------- */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:var(--nav-bg);backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line);
}
.nav-in{max-width:var(--max);margin:0 auto;height:100%;display:flex;align-items:center;gap:22px;padding:0 28px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-weight:500;letter-spacing:.16em;font-size:14px;color:var(--text)}
.brand .logo{width:22px;height:22px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:18px}
.nav-links a{color:var(--text-2);font-size:14px;padding:7px 11px;border-radius:8px;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--text);background:var(--hover)}
.nav-links a[aria-current="page"]{color:var(--text);background:var(--hover)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.verpill{font-family:var(--mono);font-size:11px;color:var(--spark-2);border:1px solid var(--line-2);border-radius:999px;padding:4px 10px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:8px;width:38px;height:38px;cursor:pointer;color:var(--text)}
.nav-toggle svg{width:18px;height:18px}
.theme-toggle{background:none;border:1px solid var(--line-2);border-radius:8px;width:34px;height:34px;display:grid;place-items:center;cursor:pointer;color:var(--text-2);transition:color .15s,border-color .15s}
.theme-toggle:hover{color:var(--text);border-color:var(--text-2)}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .ic-sun{display:none}
[data-theme="light"] .theme-toggle .ic-sun{display:block}
[data-theme="light"] .theme-toggle .ic-moon{display:none}

/* mobile menu drawer — hidden on desktop, populated by site.js, shown via @media below */
.nav-drawer{display:none}
.drawer-primary{display:flex;flex-direction:column;gap:2px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
/* no docs tree below (e.g. homepage): drop the trailing divider */
.drawer-primary:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.drawer-primary a{font-size:16px;font-weight:500;color:var(--text);padding:11px 12px;border-radius:8px}
.drawer-primary a:hover,.drawer-primary a[aria-current="page"]{background:var(--hover)}

/* loading bar fed by Sparke's [data-sparke-loading] */
#sparke-bar{position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--spark),var(--spark-2));z-index:100;opacity:0;transition:transform .3s ease,opacity .2s}
html[data-sparke-loading] #sparke-bar{transform:scaleX(.85);opacity:1;transition:transform 2s cubic-bezier(.1,.7,.2,1),opacity .2s}

/* =========================================================================
   CODE WINDOW (flat)
   ========================================================================= */
.win{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 16px 40px -28px rgba(0,0,0,.8)}
.win-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;border-bottom:1px solid var(--line)}
.win-bar .dots{display:flex;gap:7px}
.win-bar .dots i{width:11px;height:11px;border-radius:50%;background:#2a2a2f}
.win-bar .dots i:nth-child(1){background:#ff5f57}
.win-bar .dots i:nth-child(2){background:#febc2e}
.win-bar .dots i:nth-child(3){background:#28c840}
.win-title{margin-left:6px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.copy-btn{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;
  color:var(--text-2);background:transparent;border:1px solid var(--line);border-radius:7px;padding:5px 9px;cursor:pointer;transition:.15s;min-width:74px;justify-content:center}
.copy-btn:hover{border-color:var(--spark);color:var(--text)}
.copy-btn.copied{color:var(--green);border-color:rgba(127,212,154,.4)}
.copy-btn svg{width:13px;height:13px}
.win pre{margin:0;padding:22px 26px 24px;overflow:hidden}
.win pre,.win code{white-space:pre-wrap;overflow-wrap:anywhere}
pre,code{font-family:var(--mono)}
.win pre,.win code{font-size:13.5px;line-height:1.8}

/* tabs */
.tabs{display:flex;gap:2px;padding:6px 8px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tab{font-family:var(--mono);font-size:12px;color:var(--muted);background:none;border:0;border-bottom:2px solid transparent;
  padding:9px 13px;cursor:pointer;transition:color .15s,border-color .15s}
.tab:hover{color:var(--text-2)}
.tab[aria-selected="true"]{color:var(--text);border-bottom-color:var(--spark)}
.panel-code{display:none}
.panel-code.active{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* syntax tokens */
.t-comment{color:var(--tc-comment);font-style:italic}
.t-tag{color:var(--tc-tag)}
.t-attr{color:var(--tc-attr)}
.t-str{color:var(--tc-str)}
.t-punct{color:var(--tc-punct)}
.t-kw{color:var(--tc-kw)}
.t-fn{color:var(--tc-fn)}
.t-prop{color:var(--tc-prop)}
.t-num{color:var(--tc-num)}
.t-sel{color:var(--tc-fn)}

/* typed caret */
.caret{display:inline-block;width:7px;height:1.15em;background:var(--spark);margin-left:1px;vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* =========================================================================
   LANDING
   ========================================================================= */
.hero{padding:78px 0 44px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.h1{font-size:clamp(40px,6.2vw,74px);line-height:1;letter-spacing:-.03em;font-weight:600;margin:22px 0 0}
.lead{font-size:clamp(17px,2vw,20px);color:var(--text-2);max-width:32ch;margin:22px 0 0;line-height:1.55}
.cta-row{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;align-items:center}

.reveal{opacity:0;transform:translateY(12px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.d1{animation-delay:.04s}.d2{animation-delay:.13s}.d3{animation-delay:.22s}.d4{animation-delay:.31s}.d5{animation-delay:.4s}

.ribbon{border-block:1px solid var(--line);margin-top:60px}
.ribbon-in{max-width:var(--max);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 18px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--mono);font-size:clamp(26px,3.2vw,38px);font-weight:600;letter-spacing:-.02em}
.stat b span{color:var(--spark)}
.stat small{display:block;color:var(--muted);font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-top:8px}

section.block{padding:92px 0}
.section-head{max-width:64ch}
.h2{font-size:clamp(28px,3.8vw,44px);line-height:1.06;letter-spacing:-.025em;font-weight:600;margin:14px 0 0}
.sub{color:var(--text-2);font-size:17px;margin-top:15px;max-width:60ch}

/* timeline */
.timeline{margin-top:50px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--ink-2)}
.tl-row{display:grid;grid-template-columns:210px 1fr;border-top:1px solid var(--line)}
.tl-row:first-child{border-top:0}
.tl-label{padding:24px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.tl-label .name{font-weight:600;font-size:15px}
.tl-label .who{font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:5px;letter-spacing:.03em}
.tl-track{position:relative;height:112px;overflow:hidden}
.tl-axis{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.tl-click{position:absolute;top:50%;transform:translate(-50%,-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px}
.tl-click .ring{width:15px;height:15px;border-radius:50%;border:2px solid var(--text);position:relative}
.tl-click .ring::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid var(--text-2)}
.tl-click .lbl{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-2)}
.tl-seg{position:absolute;top:50%;transform:translateY(-50%);height:9px;border-radius:5px}
.tl-seg .cap{position:absolute;left:50%;transform:translateX(-50%);bottom:17px;white-space:nowrap;font-family:var(--mono);font-size:10.5px;letter-spacing:.05em}
.tl-result{position:absolute;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:11px;letter-spacing:.06em}
.old .tl-click{left:18%}
.seg-net{left:18%;width:46%;background:repeating-linear-gradient(90deg,rgba(105,114,127,.5) 0 7px,rgba(105,114,127,.16) 7px 14px);border:1px solid rgba(105,114,127,.45)}
.seg-net .cap{color:var(--steel)}
.old .tl-result{left:67%;color:var(--steel)}
.pulse-old{position:absolute;top:50%;left:18%;width:8px;height:8px;border-radius:50%;background:var(--steel);transform:translate(-50%,-50%);animation:travelOld 4.5s linear infinite}
@keyframes travelOld{0%,8%{left:18%;opacity:0}9%{opacity:1}55%{left:64%;opacity:1}60%,100%{left:64%;opacity:0}}
.spk .tl-click{left:70%}
.seg-pre{left:6%;width:40%;background:linear-gradient(90deg,rgba(255,122,26,.18),rgba(255,122,26,.6));border:1px solid rgba(255,122,26,.45)}
.seg-pre .cap{color:var(--spark-2)}
.spk .tl-result{left:74%;color:var(--spark-2)}
.pulse-spk{position:absolute;top:50%;left:6%;width:8px;height:8px;border-radius:50%;background:var(--spark-2);transform:translate(-50%,-50%);animation:travelSpk 4.5s linear infinite}
@keyframes travelSpk{0%{left:6%;opacity:0}3%{opacity:1}30%{left:44%;opacity:1}34%,100%{left:44%;opacity:0}}
.flash{position:absolute;top:50%;left:70%;width:13px;height:13px;border-radius:50%;transform:translate(-50%,-50%);background:var(--spark-2);opacity:0;animation:flash 4.5s linear infinite}
@keyframes flash{0%,64%{opacity:0;box-shadow:0 0 0 0 rgba(255,122,26,.5)}66%{opacity:1}72%{opacity:1;box-shadow:0 0 0 20px rgba(255,122,26,0)}74%,100%{opacity:0}}

/* step cards (links to /how/*) */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:50px;counter-reset:s}
.step{display:block;border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;background:var(--ink-2);position:relative;transition:border-color .15s,transform .15s}
.step:hover{border-color:var(--line-2);transform:translateY(-3px)}
.step::after{counter-increment:s;content:"0" counter(s);position:absolute;top:15px;right:17px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.step .ic{width:30px;height:30px;color:var(--spark);margin-bottom:15px}
.step h3{margin:0 0 7px;font-size:16px;font-weight:600;display:flex;align-items:center;gap:6px}
.step h3 .arr{color:var(--muted);transition:transform .15s,color .15s}
.step:hover h3 .arr{color:var(--spark);transform:translateX(3px)}
.step p{margin:0;color:var(--text-2);font-size:14px}

/* features */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:50px}
.fcard{border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;background:var(--ink-2);transition:border-color .15s}
.fcard:hover{border-color:var(--line-2)}
.fcard .ic{width:24px;height:24px;color:var(--spark-2);margin-bottom:13px}
.fcard h3{margin:0 0 7px;font-size:16px;font-weight:600}
.fcard p{margin:0;color:var(--text-2);font-size:14.5px}
.fcard code{font-family:var(--mono);font-size:.85em;background:var(--spark-soft);color:var(--spark-2);padding:.1em .4em;border-radius:5px}

/* final cta */
.final{border-top:1px solid var(--line);padding:104px 0;text-align:center}
/* wider than the docs default so the one-line CDN tag fits without wrapping */
.final .inner{max-width:880px;margin:0 auto}
.final .sub{max-width:560px;margin-inline:auto}
.final .win{margin-top:34px;text-align:left}
.final .win pre,.final .win code{white-space:nowrap}

/* footer */
.footer{border-top:1px solid var(--line);padding:44px 0;color:var(--muted)}
.footer-in{max-width:var(--max);margin:0 auto;padding:0 28px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;font-size:14px}
.footer .fbrand{display:flex;align-items:center;gap:8px;font-family:var(--mono);letter-spacing:.14em;font-size:13px;color:var(--text)}
.footer .fbrand .logo{width:18px;height:18px}
.footer a{color:var(--text-2)}.footer a:hover{color:var(--spark-2)}
.footer .flinks{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.footer small{width:100%;color:var(--muted);font-family:var(--mono);font-size:11px;letter-spacing:.05em}

/* =========================================================================
   DOCS — Mintlify-inspired layout
   ========================================================================= */
.docs{max-width:var(--max);margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:248px minmax(0,1fr) 220px;gap:48px;align-items:start}

/* left sidebar */
.sidebar{position:sticky;top:var(--nav-h);align-self:start;height:calc(100vh - var(--nav-h));
  overflow-y:auto;padding:30px 6px 60px 0;scrollbar-width:thin}
.side-search{display:flex;align-items:center;gap:9px;width:100%;font-family:var(--sans);font-size:13px;
  color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:9px 12px;margin-bottom:22px;cursor:text}
.side-search svg{width:14px;height:14px;flex:none}
.side-search kbd{margin-left:auto;font-family:var(--mono);font-size:10px;border:1px solid var(--line-2);border-radius:5px;padding:1px 6px;color:var(--text-2)}
.side-group{margin-bottom:22px}
.side-title{font-size:11px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;padding-left:12px}
.side-nav a{display:block;font-size:13.5px;color:var(--text-2);padding:6px 12px;border-radius:8px;line-height:1.4;transition:color .12s,background .12s}
.side-nav a:hover{color:var(--text);background:var(--hover)}
.side-nav a[aria-current="page"]{color:var(--spark-2);background:var(--spark-soft);font-weight:500}

/* article */
.doc-main{min-width:0;padding:44px 0 90px}
.breadcrumb{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:14px;display:flex;gap:8px;align-items:center}
.breadcrumb .sep{opacity:.5}
.doc-main h1{font-size:clamp(30px,4vw,40px);line-height:1.1;letter-spacing:-.025em;font-weight:600;margin:0}
.doc-lead{font-size:18px;color:var(--text-2);margin:14px 0 0;line-height:1.55}
.doc-body{margin-top:14px}
.doc-body h2{font-size:23px;font-weight:600;letter-spacing:-.015em;margin:46px 0 0;padding-top:6px;scroll-margin-top:90px}
.doc-body h3{font-size:17px;font-weight:600;margin:30px 0 0;scroll-margin-top:90px}
.doc-body p{color:var(--text-2);margin:14px 0 0;line-height:1.7}
.doc-body ul,.doc-body ol{color:var(--text-2);margin:14px 0 0;padding-left:22px;line-height:1.7}
.doc-body li{margin:6px 0}
.doc-body li::marker{color:var(--muted)}
.doc-body a:not(.btn){color:var(--spark-2);text-decoration:none;border-bottom:1px solid rgba(255,169,77,.3)}
.doc-body a:not(.btn):hover{border-bottom-color:var(--spark-2)}
.doc-body strong{color:var(--text);font-weight:600}
.doc-body code{font-family:var(--mono);font-size:.86em;background:var(--surface-2);border:1px solid var(--line);color:var(--code-ink);padding:.12em .42em;border-radius:6px}
.anchor{margin-left:9px;color:var(--muted);opacity:0;font-weight:400;transition:opacity .12s}
.doc-body h2:hover .anchor,.doc-body h3:hover .anchor{opacity:1}

/* code block in docs */
.code-block{margin-top:18px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink-2)}
.cb-head{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.012)}
.cb-name{font-family:var(--mono);font-size:12px;color:var(--text-2)}
.cb-lang{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-left:auto}
.code-block .copy-btn{margin-left:0}
.cb-head .cb-lang + .copy-btn{margin-left:12px}
.code-block pre{margin:0;padding:16px 16px;overflow-x:auto}
.code-block code{font-size:13px;line-height:1.75;background:none;border:0;padding:0;color:var(--text)}

/* callouts */
.callout{margin-top:20px;display:flex;gap:12px;padding:15px 16px;border-radius:var(--r);
  border:1px solid var(--line-2);background:var(--surface);font-size:14.5px;line-height:1.6;color:var(--text-2)}
.callout .ci{flex:none;width:18px;height:18px;margin-top:2px}
.callout p{margin:0;color:inherit}
.callout strong{color:var(--text)}
.callout.note{border-color:rgba(127,182,255,.3);background:rgba(127,182,255,.06)}
.callout.note .ci{color:var(--blue)}
.callout.tip{border-color:rgba(127,212,154,.3);background:rgba(127,212,154,.06)}
.callout.tip .ci{color:var(--green)}
.callout.warn{border-color:rgba(255,169,77,.32);background:rgba(255,122,26,.07)}
.callout.warn .ci{color:var(--spark-2)}

/* tables */
.doc-body .table-wrap{margin-top:20px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;overflow-x:auto}
.doc-body table{width:100%;border-collapse:collapse;font-size:13.5px}
.doc-body th,.doc-body td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.doc-body thead th{background:var(--hover);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.doc-body tbody tr:last-child td{border-bottom:0}
.doc-body td code{white-space:nowrap}

/* card grid (intro / how landing) */
.cardgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.dcard{display:block;border:1px solid var(--line);border-radius:var(--r);padding:18px 18px;background:var(--ink-2);transition:border-color .15s,transform .15s}
.dcard:hover{border-color:var(--line-2);transform:translateY(-2px)}
.dcard .ic{width:22px;height:22px;color:var(--spark);margin-bottom:11px}
.dcard h3{margin:0 0 5px;font-size:15px;font-weight:600;color:var(--text)}
.dcard p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.55}

/* prev / next pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:56px;padding-top:30px;border-top:1px solid var(--line)}
.pager a{display:block;border:1px solid var(--line);border-radius:var(--r);padding:15px 17px;transition:border-color .15s}
.pager a:hover{border-color:var(--line-2)}
.pager small{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em}
.pager b{display:block;margin-top:5px;font-size:15px;font-weight:600;color:var(--text)}
.pager .next{text-align:right}
.pager .empty{border:0;pointer-events:none}

/* right "on this page" */
.toc{position:sticky;top:var(--nav-h);align-self:start;padding:48px 0 40px;max-height:calc(100vh - var(--nav-h));overflow-y:auto}
.toc .toc-title{font-size:11px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.toc a{display:block;font-size:13px;color:var(--muted);padding:5px 0 5px 12px;border-left:1px solid var(--line);line-height:1.4;transition:color .12s,border-color .12s}
.toc a.lvl-3{padding-left:24px}
.toc a:hover{color:var(--text-2)}
.toc a.active{color:var(--spark-2);border-left-color:var(--spark)}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media(max-width:1100px){
  .docs{grid-template-columns:230px minmax(0,1fr);gap:40px}
  .toc{display:none}
}
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .lead{max-width:48ch}
  .steps,.feat{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .docs{grid-template-columns:minmax(0,1fr)}
  .sidebar{display:none}                 /* replaced by the mobile menu panel */
  /* mobile menu: a panel that drops in over the content (primary links + docs tree, built by site.js) */
  .nav-drawer{display:block;position:fixed;top:calc(var(--nav-h) + 8px);left:14px;right:14px;z-index:58;
    max-height:calc(100vh - var(--nav-h) - 24px);
    background:var(--surface);border:1px solid var(--line-2);border-radius:14px;
    box-shadow:0 24px 60px -22px rgba(0,0,0,.55);
    overflow-y:auto;-webkit-overflow-scrolling:touch;
    padding:12px;opacity:0;visibility:hidden;transform:translateY(-8px) scale(.98);transform-origin:top center;
    transition:opacity .18s ease,transform .18s ease,visibility .18s}
  body.nav-open .nav-drawer{opacity:1;visibility:visible;transform:none}
  .nav-drawer .side-nav a{font-size:15px;padding:9px 12px}
  /* tighten top gaps and section rhythm on small screens */
  .hero{padding-top:38px}
  section.block{padding:56px 0}
  .final{padding:64px 0}
  /* narrow screens can't fit the CDN tag on one line - let it wrap, don't clip */
  .final .win pre,.final .win code{white-space:pre-wrap}
  .doc-main{padding-top:20px}
}
@media(max-width:560px){
  .wrap,.nav-in,.footer-in,.docs{padding-left:20px;padding-right:20px}
  .nav-right .verpill,.nav-right .btn-ghost{display:none} /* in the drawer + footer instead */
  .steps,.feat,.cardgrid,.pager{grid-template-columns:1fr}
  .ribbon-in{grid-template-columns:1fr 1fr}
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .tl-row{grid-template-columns:1fr}
  .tl-label{border-right:0;border-bottom:1px solid var(--line)}
}
@media(prefers-reduced-motion:reduce){
  .reveal{animation:none;opacity:1;transform:none}
  .pulse-old,.pulse-spk,.flash,.caret{animation:none}
  .pulse-old,.pulse-spk{opacity:0}
  html{scroll-behavior:auto}
}

/* stable hero code-window height (no vertical jump while typing) */
.hero .win pre{min-height:150px}

/* ---------- view-transitions page easter egg (see site.js) ----------
   A theatrical 3D "portal" entrance, scoped to /docs/view-transitions/:
   the lead + body swing in from the right — a self-referential joke about
   the page's own topic. The breadcrumb stays put and the <h1> just fades
   (both act as anchored "shared elements"). Entrance only. */
.vt-enter .doc-lead,
.vt-enter .doc-body{
  transform-origin:100% 42%;backface-visibility:hidden;
  will-change:transform,opacity,filter;
  animation:vtEnter .72s cubic-bezier(.16,1,.3,1) forwards;
}
@keyframes vtEnter{
  0%  {transform:perspective(1600px) rotateY(82deg) translateZ(-240px) scale(.9);opacity:0;filter:blur(9px) saturate(2.4) hue-rotate(-14deg)}
  60% {opacity:1;filter:blur(0) saturate(1.4) hue-rotate(0)}
  100%{transform:perspective(1600px) rotateY(0) translateZ(0) scale(1);opacity:1;filter:none}
}
.vt-enter h1{animation:vtFade 1.8s ease forwards}
@keyframes vtFade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion: reduce){
  .vt-enter .doc-lead,.vt-enter .doc-body,.vt-enter h1{animation:none!important}
}

/* =========================================================================
   CONTACT MODAL - native <dialog>, injected + wired by site.js
   ========================================================================= */
.cdlg{
  width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;
  border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--surface);
  color:var(--text);padding:0;box-shadow:0 30px 80px -30px rgba(0,0,0,.7);
}
.cdlg::backdrop{background:rgba(6,6,8,.6);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.cdlg[open]{animation:cdlgIn .22s cubic-bezier(.2,.7,.2,1)}
.cdlg[open]::backdrop{animation:cdlgFade .25s ease}
@keyframes cdlgIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@keyframes cdlgFade{from{opacity:0}to{opacity:1}}
.cdlg form{margin:0;padding:26px 26px 22px;position:relative}
.cdlg .eyebrow{margin-bottom:11px}
.cdlg-title{font-size:22px;font-weight:600;letter-spacing:-.02em;margin:0}
.cdlg-sub{color:var(--text-2);font-size:14px;margin:6px 0 4px;line-height:1.5}
.cdlg-x{position:absolute;top:14px;right:14px;width:32px;height:32px;display:grid;place-items:center;
  background:none;border:1px solid var(--line-2);border-radius:8px;color:var(--text-2);cursor:pointer;transition:.15s}
.cdlg-x:hover{color:var(--text);border-color:var(--text-2)}
.cdlg-x svg{width:15px;height:15px}
.cfield{display:flex;flex-direction:column;gap:6px;margin-top:13px}
.cfield label{font-size:13px;font-weight:500;color:var(--text-2)}
.cfield input,.cfield textarea{
  font-family:var(--sans);font-size:14.5px;color:var(--text);background:var(--ink-2);
  border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;width:100%;
  transition:border-color .15s,box-shadow .15s;
}
.cfield textarea{min-height:104px;line-height:1.55;resize:vertical}
.cfield input:focus,.cfield textarea:focus{outline:none;border-color:var(--spark);box-shadow:0 0 0 3px var(--spark-soft)}
.cfield input::placeholder,.cfield textarea::placeholder{color:var(--muted)}
/* off-screen field, hidden from assistive tech */
.cf-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cdlg-foot{display:flex;align-items:center;gap:14px;margin-top:20px}
.cdlg-status{margin:0;font-size:13px;color:var(--text-2);min-height:1.2em}
.cdlg-status[data-kind="err"]{color:#ff7a7a}
[data-theme="light"] .cdlg-status[data-kind="err"]{color:#c0341d}
.cdlg-actions{margin-left:auto;display:flex;gap:9px;flex:none}
.cdlg-send[disabled]{opacity:.6;cursor:default}
/* success state */
.cdlg-done{text-align:center;padding:18px 6px 8px}
.cdlg-done .tick{width:46px;height:46px;margin:0 auto 14px;display:grid;place-items:center;
  border-radius:50%;background:var(--spark-soft);color:var(--spark)}
.cdlg-done .tick svg{width:24px;height:24px}
.cdlg-done h3{margin:0 0 6px;font-size:18px;font-weight:600}
.cdlg-done p{margin:0 0 18px;color:var(--text-2);font-size:14px}
@media (prefers-reduced-motion:reduce){
  .cdlg[open],.cdlg[open]::backdrop{animation:none}
}