:root {
  --bg: #0f1e35;
  --fg: #eef3ff;
  --muted: #94a3b8;
  --accent: #e8f1ff;
  --code-bg: #0a172d;
  --border: #1c3358;
  --hover: #fff;
  --card-hover-bg: #122443;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased; }
main { max-width: 800px; margin: 0 auto; padding: 3rem 1.5rem 6rem; }

/* Masthead + brand --------------------------------------------------- */
header { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.2rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand img { width: 40px; height: 40px; flex-shrink: 0; }
.brand-name { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; color: var(--hover); }
.brand:hover .brand-name { color: var(--accent); }

section { margin-bottom: 3rem; }
h2 { font-size: 0.85rem; margin: 3rem 0 1rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); font-weight: 600;
  scroll-margin-top: 1.5rem; }
h3 { font-size: 1.15rem; margin: 1.8rem 0 0.6rem; font-weight: 600; }
p { margin: 0.7rem 0; }
pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 1rem 1.25rem; overflow-x: auto; font-size: 0.92rem; line-height: 1.5; }
code { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 0.92em; }
:not(pre) > code { background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 3px; padding: 0.1em 0.4em; }
ul { padding-left: 1.3rem; margin: 0.8rem 0; }
li { margin: 0.35rem 0; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px;
  text-decoration-color: var(--border); }
a:hover { color: var(--hover); text-decoration-color: var(--accent); }
strong { color: var(--hover); font-weight: 600; }
em { color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: 0.8rem 0; }
th, td { text-align: left; padding: 0.5rem 0.8rem 0.5rem 0; vertical-align: top;
  border-bottom: 1px solid var(--border); font-size: 0.95rem; }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.06em; }
td code { background: transparent; border: 0; padding: 0; color: var(--accent); }
.small { color: var(--muted); font-size: 0.88rem; }
.lede { font-size: 1.1rem; color: var(--fg); }
.pill { display: inline-block; padding: 0.15rem 0.55rem; border: 1px solid var(--border);
  border-radius: 999px; font-size: 0.75rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em; }
.coming { display: inline-block; padding: 0.1rem 0.5rem; border: 1px solid var(--accent);
  border-radius: 999px; font-size: 0.7rem; color: var(--accent); text-transform: uppercase;
  letter-spacing: 0.05em; vertical-align: middle; margin-left: 0.5rem; }
.historical { color: var(--muted); border-left: 2px solid var(--border);
  padding-left: 1rem; margin: 1rem 0 2rem; font-size: 0.95rem; }
.historical em { color: var(--muted); }
.plain { color: var(--accent); font-style: italic; }

/* Cross-page top nav ------------------------------------------------- */
.topnav { display: flex; flex-wrap: wrap; align-items: center; margin: 0 0 1.6rem;
  padding-bottom: 0.9rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.topnav a { color: var(--muted); text-decoration: none; }
.topnav a:hover { color: var(--accent); }
.topnav a[aria-current="page"] { color: var(--hover); font-weight: 600; }
.topnav a + a { margin-left: 1.1rem; }
.topnav a + a::before { content: "·"; color: var(--border); margin-right: 1.1rem; }
.nav-status { margin-left: auto; font-size: 0.8rem; color: var(--muted); }

/* Hero + proof + safety --------------------------------------------- */
.hero { margin: 1.6rem 0 1.4rem; }
.hero-eyebrow { color: var(--muted); font-size: 1rem; font-weight: 500; margin: 0 0 0.5rem; }
.hero-h { font-size: 2.1rem; line-height: 1.15; letter-spacing: -0.02em;
  color: var(--hover); margin: 0 0 0.8rem; font-weight: 700; text-transform: none; }
.hero-sub { font-size: 1.15rem; color: var(--fg); max-width: 38rem; margin: 0 0 1.4rem; }
.hero-platforms { display: inline-block; color: var(--muted); font-size: 0.95rem;
  margin-top: 0.4rem; letter-spacing: 0.02em; }
.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; }
.demo-shot { margin: 1.6rem 0; }
.demo-shot img { display: block; width: 100%; height: auto;
  border: 1px solid var(--border); border-radius: 8px; }
.demo-shot figcaption { margin-top: 0.55rem; font-size: 0.85rem; color: var(--muted);
  display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.ascii-fallback { margin-top: 0.5rem; }
.ascii-fallback > summary { color: var(--muted); font-size: 0.85rem; cursor: pointer; }
.ascii-fallback > summary:hover { color: var(--accent); }
.ascii-fallback pre { margin-top: 0.7rem; }
.btn-primary { background: var(--accent); color: var(--bg); text-decoration: none;
  padding: 0.6rem 1.25rem; border-radius: 6px; font-weight: 600; font-size: 0.95rem; }
.btn-primary:hover { background: var(--hover); color: var(--bg); }
.btn-ghost { color: var(--accent); text-decoration: none; border: 1px solid var(--accent);
  padding: 0.6rem 1.25rem; border-radius: 6px; font-weight: 600; font-size: 0.95rem; }
.btn-ghost:hover { background: var(--hover); border-color: var(--hover); color: var(--bg); }
.proof { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem;
  margin: 1.5rem 0 2.2rem; }
.proof-tile { border: 1px solid var(--border); border-radius: 8px; padding: 1.1rem;
  background: transparent; }
.proof-tile h3 { margin: 0 0 0.4rem; font-size: 1.0rem; color: var(--hover); }
.proof-tile p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
/* QoL "why it's nicer" band: the emotional hook, high on the homepage. 2x2. */
.qol { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; margin: 1.8rem 0 1.1rem; }
.qol-more { color: var(--muted); font-size: 0.9rem; margin: 0 0 2.6rem; }

/* Generic cards (used by teams/build) -------------------------------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; margin: 1.4rem 0; }
.card { border: 1px solid var(--border); border-radius: 8px; padding: 1.2rem 1.2rem;
  background: transparent; }
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--hover); }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }

/* Call-to-action band ------------------------------------------------ */
.cta-band { background: var(--card-hover-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.6rem; text-align: center; margin: 2.6rem 0 0; }
.cta-band h2 { text-transform: none; letter-spacing: normal; font-size: 1.35rem;
  color: var(--hover); margin: 0 0 0.5rem; }
.cta-band p { color: var(--muted); margin: 0 0 1.1rem; }

/* Comparison table emphasis ----------------------------------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0.8rem 0; }
.table-scroll table { margin: 0; }
.compare { min-width: 640px; }
.compare th:not(:first-child), .compare td:not(:first-child) { text-align: center; }
/* Dejima is the first option column and is emphasised. */
.compare td:nth-child(2) { color: var(--fg); }
.compare th:nth-child(2) { color: var(--accent); }
/* Pin the criteria + Dejima columns so they stay put while the
   alternative columns scroll on narrow screens. */
.compare th:first-child, .compare td:first-child {
  position: sticky; left: 0; z-index: 1; background: var(--bg); min-width: 11rem; }
.compare th:nth-child(2), .compare td:nth-child(2) {
  position: sticky; left: 11rem; z-index: 1; background: var(--bg);
  box-shadow: 1px 0 0 var(--border); }

/* Deep-link buttons -------------------------------------------------- */
.deeplink { background: transparent; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 6px; padding: 0.5rem 0.95rem; font-weight: 600; cursor: pointer;
  font-size: 0.88rem; text-decoration: none; }
.deeplink:hover { background: var(--hover); border-color: var(--hover); color: var(--bg); }

/* Footer ------------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); margin-top: 4rem; padding-top: 1.4rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; align-items: center; font-size: 0.88rem; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer .footer-brand { color: var(--hover); font-weight: 600; margin-right: auto; }

/* Install picker (quickstart) --------------------------------------- */
.platbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem 0.65rem;
  padding: 0.55rem 1rem; background: rgba(10,23,45,0.94);
  border-top: 1px solid var(--border); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px); }
.platbar-brand { display: inline-flex; align-items: center; gap: 0.4rem;
  font-weight: 700; color: var(--hover); font-size: 0.95rem; }
.platbar-logo { width: 22px; height: 22px; flex-shrink: 0; }
.platbar-word { color: var(--muted); font-size: 0.85rem; }
.platbar-link { margin-left: auto; color: var(--accent); font-size: 0.82rem; text-decoration: none; }
.platbar-link:hover { color: var(--hover); }
.has-platbar main { padding-bottom: 7rem; }
.picker { margin: 1.2rem 0 1.6rem; display: flex; flex-direction: column; gap: 0.7rem; }
.pick-row { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
.pick-label { color: var(--muted); font-size: 0.92rem; min-width: 5rem; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px;
  overflow: hidden; background: var(--code-bg); }
.seg-btn { background: transparent; border: 0; border-right: 1px solid var(--border);
  color: var(--fg); font: inherit; font-size: 0.9rem; padding: 0.45rem 0.9rem;
  cursor: pointer; transition: background 0.12s, color 0.12s; }
.seg-btn:last-child { border-right: 0; }
.seg-btn:hover:not([aria-pressed="true"]):not(:disabled) { background: var(--card-hover-bg); }
.seg-btn[aria-pressed="true"] { background: var(--accent); color: var(--bg); font-weight: 600; }
.seg-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.install-panel { display: none; }
.install-panel.show { display: block; }
.install-panel ol { padding-left: 1.4rem; margin: 0.8rem 0; }
.install-panel ol > li { margin: 0.9rem 0; }
.install-panel ol > li > strong:first-child { color: var(--hover); }
.platform-note { color: var(--muted); font-size: 0.9rem; margin: 0.8rem 0;
  padding: 0.65rem 0.95rem; border-left: 3px solid var(--accent);
  background: var(--code-bg); border-radius: 4px; }
.noscript-fallback { color: var(--muted); font-size: 0.92rem;
  border-left: 3px solid var(--accent); padding: 0.65rem 0.95rem; }
.bundled-note { background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.8rem 1rem; margin: 1.2rem 0; color: var(--fg); }
kbd { background: var(--code-bg); border: 1px solid var(--border);
  border-bottom-width: 2px; border-radius: 4px; padding: 0.05em 0.45em;
  font-family: ui-monospace, SFMono-Regular, monospace; font-size: 0.85em; color: var(--fg); }

/* Fit-prompt --------------------------------------------------------- */
.fitcheck { border: 1px solid var(--border); border-radius: 8px;
  background: var(--card-hover-bg); padding: 1.25rem 1.4rem; }
.fit-prompt { width: 100%; box-sizing: border-box; margin-top: 0.9rem;
  background: var(--code-bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.9rem 1rem; resize: vertical;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 0.85rem; line-height: 1.55; }
.fit-actions { display: flex; align-items: center; gap: 0.9rem; margin-top: 0.7rem; flex-wrap: wrap; }
.copy-btn { background: var(--accent); color: var(--bg); border: 0; border-radius: 6px;
  padding: 0.5rem 1.15rem; font-weight: 600; cursor: pointer; font-size: 0.9rem;
  transition: opacity 0.12s; }
.copy-btn:hover { opacity: 0.85; }
.fit-hint { color: var(--muted); font-size: 0.85rem; }

/* Quickstart scenarios: two dead-simple copy-paste paths ------------- */
.scenario-jump { display: flex; gap: 0.7rem; flex-wrap: wrap; margin: 0.2rem 0 1.5rem; }
.scenario-jump .btn-ghost { padding: 0.45rem 1rem; font-size: 0.9rem; }
/* "Need help?" is a fallback, not a primary path — dim it: the section-border
   navy outline + muted text, brightening only on hover. */
.jump-help { color: var(--muted); border-color: var(--border); }
.jump-help:hover { background: transparent; color: var(--accent); border-color: var(--accent); }
.scenarios { display: grid; gap: 1.1rem; margin: 1.2rem 0 2.2rem; }
.scenario { border: 1px solid var(--border); border-radius: 10px;
  padding: 1.3rem 1.4rem; background: var(--code-bg);
  scroll-margin-top: 1.5rem; min-width: 0; }
/* Neither scenario is outlined by default (the "most common" tag already marks
   the recommended one). Only the one you jump to gets the accent outline. */
.scenario:target { border-color: var(--accent); }
.scenario-head { display: flex; align-items: baseline; gap: 0.6rem;
  flex-wrap: wrap; margin-bottom: 0.15rem; }
.scenario-head h3 { margin: 0; font-size: 1.15rem; color: var(--hover); }
.scenario-tag { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--bg); background: var(--accent); border-radius: 999px;
  padding: 0.14rem 0.6rem; font-weight: 700; }
.scenario-sub { color: var(--muted); font-size: 0.92rem; margin: 0.15rem 0 1.1rem; }
.step { margin: 1rem 0; min-width: 0; }
.step-label { color: var(--hover); font-weight: 600; font-size: 0.95rem; }
.step-label .step-n { display: inline-flex; align-items: center; justify-content: center;
  width: 1.35rem; height: 1.35rem; border-radius: 999px; background: var(--border);
  color: var(--fg); font-size: 0.78rem; font-weight: 700; margin-right: 0.5rem; }
.step .os { color: var(--muted); font-size: 0.82rem; margin: 0.5rem 0 0.15rem;
  display: flex; align-items: center; }
.os-ico { width: 0.95em; height: 0.95em; margin-right: 0.4em; fill: currentColor;
  flex-shrink: 0; }
/* command box with an inline copy button */
.cmd { position: relative; margin: 0.3rem 0 0; min-width: 0; }
.cmd pre { margin: 0; padding-right: 4.6rem; }
.cmd-copy { position: absolute; top: 0.45rem; right: 0.45rem; background: var(--accent);
  color: var(--bg); border: 0; border-radius: 6px; padding: 0.28rem 0.7rem;
  font-weight: 600; cursor: pointer; font-size: 0.78rem; transition: opacity 0.12s; }
.cmd-copy:hover { opacity: 0.85; }
/* host + client side by side inside scenario 2 */
/* Stacked full-width: "First" (server) over "Then" (your computer), so long
   install commands get the whole column and don't need a horizontal scrollbar. */
.hc-cols { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 0.4rem; }
.hc { border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.1rem;
  background: var(--bg); min-width: 0; }
.hc-order { display: inline-block; font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--accent); font-weight: 700; margin-bottom: 0.1rem; }
.hc h4 { margin: 0 0 0.15rem; font-size: 1rem; color: var(--hover); }
.hc .hc-sub { color: var(--muted); font-size: 0.82rem; margin: 0 0 0.6rem; }

/* Collapsible "Before you start" disclosures ------------------------- */
.disclose { border: 1px solid var(--border); border-radius: 8px; margin: 0.6rem 0;
  background: var(--code-bg); }
.disclose > summary { cursor: pointer; padding: 0.8rem 2.4rem 0.8rem 1.1rem;
  font-weight: 400; color: var(--hover); list-style: none; position: relative; }
.disclose > summary::-webkit-details-marker { display: none; }
.disclose > summary::after { content: "+"; position: absolute; right: 1.1rem;
  color: var(--muted); font-weight: 400; font-size: 1.1rem; line-height: 1.2; }
.disclose[open] > summary::after { content: "\2212"; }
.disclose[open] > summary { border-bottom: 1px solid var(--border); }
.disclose-body { padding: 0.2rem 1.1rem 1rem; }
.disclose-body > *:first-child { margin-top: 0.7rem; }
.disclose-body > pre { margin: 0.6rem 0 0; }

/* Long-form guides & posts ------------------------------------------ */
.post-meta { color: var(--muted); font-size: 0.8rem; margin: 1.4rem 0 0.3rem;
  text-transform: uppercase; letter-spacing: 0.06em; }
.post-h { font-size: 2rem; line-height: 1.15; letter-spacing: -0.02em;
  color: var(--hover); margin: 0.2rem 0 0.7rem; font-weight: 700; }
.post .lede { font-size: 1.2rem; line-height: 1.5; color: var(--fg); margin: 0 0 1.6rem; }
/* In an article, headings read like headings — not the homepage micro-labels. */
.post h2 { font-size: 1.4rem; text-transform: none; letter-spacing: -0.01em;
  color: var(--hover); margin: 2.4rem 0 0.7rem; font-weight: 700; }
.post h3 { font-size: 1.12rem; color: var(--hover); margin: 1.7rem 0 0.5rem; }
.post p, .post li { font-size: 1.02rem; }
.post .demo-shot { margin: 2rem 0 1.2rem; }
.post figcaption { margin-top: 0.55rem; font-size: 0.85rem; color: var(--muted); }
.callout { border: 1px solid var(--border); border-left: 3px solid var(--accent);
  background: var(--code-bg); border-radius: 4px; padding: 0.9rem 1.1rem; margin: 1.6rem 0; }
.callout p { margin: 0.3rem 0; }
.walkthrough { margin: 2.6rem 0; }
.walkthrough > p { color: var(--muted); font-size: 0.95rem; margin: 0.3rem 0 0.9rem; }

/* FAQ (visible Q&A, mirrored by FAQPage JSON-LD) --------------------- */
.faq { margin: 2.6rem 0; }
.faq-item { border-top: 1px solid var(--border); padding: 1rem 0; }
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-item h3 { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--hover); }
.faq-item p { margin: 0; color: var(--muted); }

/* Guide index hub ---------------------------------------------------- */
.guide-list { display: grid; grid-template-columns: 1fr; gap: 0.9rem; margin: 1.6rem 0; }
.guide-card { border: 1px solid var(--border); border-radius: 8px; padding: 1.1rem 1.3rem;
  text-decoration: none; display: block; }
.guide-card:hover { background: var(--card-hover-bg); }
.guide-card h3 { margin: 0 0 0.3rem; font-size: 1.08rem; color: var(--hover); }
.guide-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.guide-kicker { color: var(--muted); font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.07em; margin: 2.2rem 0 0.2rem; }

/* Prev/next between guides ------------------------------------------- */
.post-more { border-top: 1px solid var(--border); margin-top: 3rem; padding-top: 1.4rem; }
.post-more a { font-weight: 600; }

@media (max-width: 720px) {
  .proof, .cards, .hc-cols, .qol { grid-template-columns: 1fr; }
  main { padding: 2.5rem 1.25rem 5rem; }
  .hero-h { font-size: 1.7rem; }
  .post-h { font-size: 1.6rem; }
  .pick-label { min-width: 0; }
  .compare { font-size: 0.84rem; }
}