/* shared doc-layout for /product/* and /docs/* — top nav + left sidebar + main */

html,body.doc{overscroll-behavior:none}
:root{--nav-h:64px}
body.doc{background:var(--bg);color:var(--fg);font-family:var(--font-sans);margin:0;padding-top:var(--nav-h)}

.doc-nav{position:fixed;top:0;left:0;right:0;z-index:40;height:var(--nav-h);
  background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.doc-nav-inner{max-width:1440px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.doc-brand{display:flex;align-items:center;gap:12px;font-weight:500;letter-spacing:-0.01em;text-decoration:none}
.doc-brand svg{width:28px;height:28px;flex-shrink:0}
.doc-brand svg path{fill:var(--ds-purple-900);stroke:var(--ds-purple-700);stroke-width:4;paint-order:stroke fill}
.doc-brand .bn{font-size:18px;color:var(--fg);letter-spacing:-0.015em}
.doc-brand .bb{color:var(--fg-muted);font-size:14px;font-weight:400;margin-left:4px;letter-spacing:-0.005em}
.doc-nav-links{display:flex;gap:4px;font-size:14px}
.doc-nav-links a{padding:8px 12px;color:var(--fg-secondary);border-radius:var(--radius-base);text-decoration:none}
.doc-nav-links a:hover{color:var(--fg);background:var(--surface)}
.doc-nav-links a.active{color:var(--fg);background:var(--surface)}
.doc-nav-actions{display:flex;gap:8px;align-items:center}

.doc-layout{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:240px 1fr;gap:0;min-height:calc(100vh - 56px)}
@media(max-width:900px){.doc-layout{grid-template-columns:1fr}}

.doc-side{position:sticky;top:var(--nav-h);align-self:start;height:calc(100vh - var(--nav-h));overflow-y:auto;
  padding:24px 16px 24px 24px;border-right:1px solid var(--border);font-size:13.5px}
@media(max-width:900px){.doc-side{position:relative;top:0;height:auto;border-right:none;border-bottom:1px solid var(--border)}}
.doc-side a{cursor:pointer}
.doc-side h5{font-size:11px;font-weight:500;color:var(--fg-muted);text-transform:uppercase;letter-spacing:0.08em;margin:20px 0 8px;padding:0 10px}
.doc-side h5:first-child{margin-top:0}
.doc-side a{display:block;padding:6px 10px;border-radius:var(--radius-base);color:var(--fg-secondary);text-decoration:none;line-height:1.35}
.doc-side a:hover{background:var(--surface);color:var(--fg)}
.doc-side a.active{background:color-mix(in srgb,var(--ds-blue-700) 10%,transparent);color:var(--fg);
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--ds-blue-900) 25%,transparent)}
.doc-side .soon{margin-left:6px;font-size:10px;color:var(--fg-muted);font-family:var(--font-mono);letter-spacing:0.04em}

.doc-main{padding:48px 48px 120px;max-width:920px}
@media(max-width:640px){.doc-main{padding:32px 24px 96px}}
.doc-main .eyebrow{font-size:12px;font-weight:500;color:var(--fg-muted);text-transform:uppercase;letter-spacing:0.08em;margin:0 0 12px}
.doc-main h1{font-size:44px;line-height:1.08;letter-spacing:-.025em;font-weight:500;margin:0 0 16px;max-width:820px}
.doc-main .lede{font-size:17px;line-height:1.55;color:var(--fg-secondary);max-width:740px;margin:0 0 32px;font-weight:350}
.doc-main h2{font-size:22px;font-weight:500;letter-spacing:-0.015em;margin:40px 0 12px;color:var(--fg)}
.doc-main h3{font-size:16px;font-weight:500;margin:24px 0 8px;color:var(--fg)}
.doc-main p{font-size:14.5px;line-height:1.65;color:var(--fg-secondary);margin:0 0 14px}
.doc-main p b{color:var(--fg);font-weight:500}
.doc-main ul,.doc-main ol{font-size:14.5px;line-height:1.65;color:var(--fg-secondary);padding-left:22px;margin:0 0 18px}
.doc-main li{margin:4px 0}
.doc-main code{font-family:var(--font-mono);font-size:12.5px;background:var(--surface);
  padding:2px 6px;border-radius:3px;color:var(--fg);border:1px solid var(--border)}
/* terminal-chrome code block */
.doc-main pre{background:#0a0a0a;border:1px solid var(--border);
  border-radius:var(--radius-medium);padding:36px 18px 16px;overflow-x:auto;margin:0 0 18px;
  font-family:var(--font-mono);font-size:12.5px;line-height:1.75;color:var(--fg);
  position:relative;letter-spacing:-0.003em;
  box-shadow:0 1px 0 0 rgba(255,255,255,0.04),0 8px 24px -12px rgba(0,0,0,0.4)}
.doc-main pre::before{content:"";position:absolute;top:0;left:0;right:0;height:28px;
  background:color-mix(in srgb,var(--surface) 60%,var(--bg));
  border-bottom:1px solid var(--border);border-radius:var(--radius-medium) var(--radius-medium) 0 0}
.doc-main pre::after{content:"";position:absolute;top:11px;left:14px;width:7px;height:7px;border-radius:9999px;
  background:var(--ds-red-700);
  box-shadow:14px 0 0 var(--ds-amber-700),28px 0 0 var(--ds-green-700)}
.doc-main pre code{background:transparent;border:0;padding:0;font-size:inherit;color:inherit}
.doc-main pre .k,
.doc-main pre .p{color:var(--ds-blue-900);font-weight:500}
.doc-main pre .c{color:var(--fg-muted);font-style:normal}
.doc-main pre .f{color:var(--ds-amber-900)}
.doc-main pre .v{color:var(--ds-blue-900)}
.doc-main pre .s,
.doc-main pre .cmd{color:var(--fg);font-weight:500}
.doc-main pre .arg{color:var(--fg-secondary)}
.doc-main pre .tok{color:var(--ds-amber-900)}
.doc-main pre .out{color:var(--fg-muted);font-style:normal}
.doc-main pre a{color:var(--ds-blue-900);text-decoration:none;border-bottom:1px dotted color-mix(in srgb,var(--ds-blue-900) 35%,transparent)}
.doc-main pre a:hover{border-bottom-color:var(--ds-blue-900)}

/* architecture page: taxonomy cards + timeline */
.arch-taxo{display:flex;flex-direction:column;gap:0;margin:0 0 32px;border:1px solid var(--border);border-radius:var(--radius-medium);overflow:hidden}
.arch-level{display:grid;grid-template-columns:56px 1fr;gap:0;padding:20px 20px 20px 0;border-bottom:1px solid var(--border);
  background:color-mix(in srgb,var(--surface) 40%,var(--bg))}
.arch-level:last-child{border-bottom:none}
.arch-tag{display:flex;align-items:flex-start;justify-content:center;padding-top:2px;font-family:var(--font-mono);font-size:11px;
  font-weight:500;letter-spacing:0.08em;color:var(--ds-blue-900)}
.arch-tag::before{content:"0";color:var(--fg-muted)}
.arch-body h3{font-size:16px;font-weight:500;margin:0 0 6px;color:var(--fg);letter-spacing:-0.005em}
.arch-body h3 .arch-sub{color:var(--fg-muted);font-weight:400;font-size:14px;margin-left:6px;letter-spacing:-0.005em}
.arch-body p{margin:0;color:var(--fg-secondary);font-size:14px;line-height:1.6}
.arch-body code{font-size:12px}
.arch-table{width:100%;margin:0 0 24px}
.arch-steps{padding-left:22px;margin:0 0 24px}
.arch-steps li{margin:8px 0;line-height:1.6}
.doc-main hr{border:0;border-top:1px solid var(--border);margin:40px 0}
.doc-main table{width:100%;border-collapse:collapse;font-size:13.5px;margin:0 0 18px}
.doc-main th{text-align:left;font-size:11px;font-weight:500;color:var(--fg-muted);text-transform:uppercase;
  letter-spacing:0.06em;padding:10px 12px;border-bottom:1px solid var(--border);background:var(--surface)}
.doc-main td{padding:12px;border-bottom:1px solid var(--border);color:var(--fg);vertical-align:top}
.doc-main blockquote{border-left:2px solid color-mix(in srgb,var(--ds-blue-700) 50%,transparent);
  padding:4px 0 4px 14px;margin:16px 0;color:var(--fg-secondary);font-size:14.5px;line-height:1.6}
.doc-main .note{display:flex;gap:10px;padding:12px 14px;margin:12px 0 18px;border-radius:var(--radius-base);
  background:color-mix(in srgb,var(--ds-blue-700) 6%,transparent);
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--ds-blue-900) 25%,transparent);
  color:var(--fg-secondary);font-size:13.5px;line-height:1.55}
.doc-main .note b{color:var(--fg)}
.doc-main .kbd{font-family:var(--font-mono);font-size:11.5px;padding:2px 6px;background:var(--surface);
  border:1px solid var(--border);border-radius:3px;color:var(--fg);
  box-shadow:inset 0 -1px 0 0 rgba(0,0,0,0.20)}

/* concept grid for /product/index */
.c-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}
@media(max-width:720px){.c-grid{grid-template-columns:1fr}}
.c-card{display:block;padding:20px 22px;border:1px solid var(--border);border-radius:var(--radius-medium);
  background:var(--surface);text-decoration:none;color:var(--fg);transition:box-shadow 160ms,transform 160ms}
.c-card:hover{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--ds-blue-900) 30%,transparent),0 4px 14px -4px rgba(0,0,0,0.35)}
.c-card .cico{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:4px;background:rgba(0,112,243,0.06);color:var(--ds-blue-900);
  box-shadow:inset 0 0 0 1px rgba(0,112,243,0.22);margin-bottom:14px}
.c-card .cico svg{width:16px;height:16px}
.c-card h3{font-size:16px;font-weight:500;margin:0 0 6px;color:var(--fg);letter-spacing:-0.005em}
.c-card p{font-size:13.5px;color:var(--fg-secondary);margin:0;line-height:1.55}
.c-card .more{display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:12px;color:var(--ds-blue-900);
  font-family:var(--font-mono)}

/* deploy-to-remoco card (solutions pages) */
.deploy-card{background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 94%,#000) 0%,var(--surface) 100%);
  border:1px solid var(--border);border-radius:var(--radius-medium);overflow:hidden;margin:24px 0 8px;
  box-shadow:inset 0 1px 0 0 rgba(255,255,255,0.04),0 4px 18px -4px rgba(0,0,0,0.5)}
.deploy-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;
  background:color-mix(in srgb,var(--surface) 60%,var(--bg));border-bottom:1px solid var(--border)}
.deploy-head .label{font-family:var(--font-mono);font-size:11.5px;font-weight:500;letter-spacing:0.05em;
  text-transform:uppercase;color:var(--fg-muted);display:inline-flex;align-items:center;gap:8px}
.deploy-head .label i{display:inline-block;width:6px;height:6px;border-radius:9999px;
  background:var(--ds-blue-700);box-shadow:0 0 10px var(--ds-blue-700)}
.deploy-head .badges{display:inline-flex;gap:6px}
.deploy-head .badges span{font-family:var(--font-mono);font-size:10.5px;padding:2px 7px;border-radius:9999px;
  background:rgba(255,255,255,0.04);color:var(--fg-secondary);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.08)}
.deploy-body{padding:16px 18px;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;color:var(--fg);
  white-space:pre-wrap;overflow-x:auto;background:transparent}
.deploy-body .cmt{color:var(--fg-muted)}
.deploy-body .tok{color:var(--ds-blue-900)}
.deploy-body .act{color:var(--ds-amber-900)}
.deploy-foot{display:flex;gap:8px;padding:10px 14px;border-top:1px solid var(--border);
  background:color-mix(in srgb,var(--surface) 60%,var(--bg))}
.copy-btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;cursor:pointer;
  font-family:var(--font-sans);font-size:12.5px;font-weight:500;color:var(--fg);background:transparent;border:none;
  border-radius:var(--radius-base);
  box-shadow:inset 0 1px 0 0 rgba(255,255,255,0.04),0 0 0 1px rgba(255,255,255,0.10),0 1px 1px 0 rgba(0,0,0,0.18);
  transition:box-shadow 160ms,background 160ms}
.copy-btn:hover{background:rgba(255,255,255,0.04);
  box-shadow:inset 0 1px 0 0 rgba(255,255,255,0.08),0 0 0 1px rgba(255,255,255,0.18)}
.copy-btn svg{width:14px;height:14px;color:var(--fg-muted)}
.copy-btn.copied{color:var(--ds-green-900)}
.copy-btn.copied svg{color:var(--ds-green-900)}