/* M-x Machina landing page. Design: Option A "Keycaps". */

:root {
  color-scheme: light;
  --ink: #0F1218;
  --ink-2: #353B47;
  --ground: #F1F2F4;
  --paper: #FFFFFF;
  --rule: #D5D9E0;
  --rule-strong: #B9BFC9;
  --rule-soft: #E1E4E9;
  --link: #1F4FB8;
  --focus: #1F5FD1;

  --font-display: 'Bricolage Grotesque', 'Avenir Next', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* Illustrative Emacs frame */
  --e-bg: #16181D;
  --e-bar: #0F1115;
  --e-side: #121419;
  --e-head: #1C1F26;
  --e-line: #262A31;
  --e-mode: #262A33;
  --e-fg: #D7DBE2;
  --e-bright: #F2F4F7;
  --e-strong: #EEF0F3;
  --e-dim: #9AA1AD;
  --e-soft: #B6BCC6;
  --e-cursor: #2A303A;
  --e-shown: #1E232B;
  --s-work: #7AA7FF;
  --s-wait: #F2B544;
  --s-ready: #5FD08F;
  --s-stop: #9AA1AD;
  --s-err: #FF7A6B;
  --s-unread: #C792FF;

  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 66px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--link); }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

code { font-family: var(--font-mono); font-size: 0.88em; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 50;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 12px; color: var(--paper); }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.wrap { max-width: 1200px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* Keycaps */
.kc {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; color: var(--ink);
  background: var(--paper); border: 1.5px solid var(--ink); border-bottom-width: 4px; border-radius: 7px;
  padding: 2px 8px; font-size: 14px; line-height: 1.4;
}
.kc--sm { padding: 0 7px; font-size: 13px; border-bottom-width: 3px; border-radius: 6px; }
.kc--xs { padding: 0 6px; font-size: 12px; border-bottom-width: 3px; border-radius: 6px; }
.kc--lg {
  flex: none; align-self: flex-start; min-width: 56px; padding: 6px 10px; font-size: 20px;
  background: var(--ground); border-width: 2px; border-bottom-width: 6px; border-radius: 10px;
}
.kc--invert { background: var(--ink); border-color: #E6E9EE; color: var(--paper); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(241, 242, 244, 0.94);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 28px;
  padding-top: 10px; padding-bottom: 10px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--ink); text-decoration: none; }
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 23px; letter-spacing: -0.03em; }
.nav__links { display: flex; flex-wrap: wrap; gap: 0 22px; flex: 1 1 380px; font-size: 15px; font-weight: 500; }
.nav__links a { color: var(--ink); text-decoration: none; padding: 10px 0; }
.nav__links a:hover { text-decoration: underline; text-underline-offset: 4px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 22px;
  border-radius: 12px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--ink);
}
.btn--primary { background: var(--ink); color: var(--paper); padding: 0 24px; }
.btn--primary:hover { color: var(--paper); background: #262B35; }
.btn--ghost { color: var(--ink); background: transparent; }
.btn--ghost:hover { background: var(--paper); }
.btn--sm { min-height: 44px; padding: 0 16px; border-radius: 10px; font-size: 15px; gap: 8px; }

@media (max-width: 640px) {
  :root { --header-h: 112px; }
  .site-header { position: static; }
  html { scroll-padding-top: 12px; }
}

/* Hero */
.hero {
  padding-top: clamp(48px, 8vw, 96px); padding-bottom: 40px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(460px, 100%), 1fr)); gap: 48px; align-items: end;
}
.hero__copy { display: flex; flex-direction: column; gap: 24px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--font-mono); font-size: 12.5px; }
.pill { padding: 4px 10px; border-radius: 999px; border: 1px solid var(--rule-strong); color: var(--ink-2); }
.pill--solid { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.hero h1 {
  margin: 0; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.7rem, 6.2vw, 5.4rem); line-height: 0.98; letter-spacing: -0.035em; text-wrap: balance;
}
.lede { margin: 0; max-width: 34em; font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-2); text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.mx-card {
  background: var(--e-bg); color: var(--e-fg); border-radius: 16px; padding: 20px;
  font-family: var(--font-mono); font-size: 14px; display: grid; gap: 14px;
  box-shadow: 0 24px 48px -28px rgba(15, 18, 24, 0.6);
  min-width: 0;
}
.mx-prompt {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px; min-height: 32px;
  background: var(--e-bar); border: 1px solid #2A2E36; border-radius: 10px;
  font-size: clamp(15px, 2vw, 19px); overflow: hidden;
}
.mx-prompt__key {
  flex: none; padding: 1px 8px; background: var(--e-bright); color: var(--ink);
  border-radius: 6px; border-bottom: 3px solid var(--e-dim); font-weight: 700; font-size: 14px;
}
.mx-prompt__cmd { white-space: nowrap; color: var(--paper); min-width: 0; }
.mx-prompt__caret { flex: none; width: 9px; height: 1.1em; background: var(--s-work); }
.mx-cmds { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.mx-cmd {
  width: 100%; display: grid; gap: 2px; text-align: left; border: 0; border-radius: 8px;
  padding: 9px 12px; min-height: 44px; background: transparent; color: #C9CDD4; font: inherit; cursor: pointer;
}
.mx-cmd:hover { background: #1E222A; }
.mx-cmd[aria-pressed="true"] { background: #262B35; color: var(--paper); }
.mx-cmd__name { font-weight: 700; font-size: 13.5px; overflow-wrap: anywhere; }
.mx-cmd__desc { font-family: var(--font-body); font-size: 13.5px; color: #A9B0BB; }

/* Sections */
.section { padding-top: 80px; padding-bottom: 80px; display: grid; gap: 36px; }
.section--band { background: var(--paper); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.section-head { display: grid; gap: 10px; max-width: 760px; }
.eyebrow {
  display: flex; align-items: center; gap: 10px; font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.06em; color: var(--ink-2);
}
.section h2, .cta h2, .messaging h2 {
  margin: 0; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.02; letter-spacing: -0.03em; text-wrap: balance;
}
.section-head p { margin: 0; color: var(--ink-2); }

/* Tour */
.tour { padding-top: 40px; padding-bottom: 72px; gap: 24px; }
.tour__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; }
.tour__head .section-head { max-width: 640px; }
.tour__note { margin: 0; max-width: 30em; color: var(--ink-2); font-size: 16px; }

/* The frame */
.mx-frame {
  background: var(--e-bg); color: var(--e-fg); border: 1px solid var(--ink); border-radius: 14px; overflow: hidden;
  box-shadow: 0 34px 70px -34px rgba(15, 18, 24, 0.6), 0 0 0 6px #E1E4E9;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.5;
}
.mx-frame:focus { outline: none; }
.mx-frame:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.mx-titlebar { display: flex; align-items: center; gap: 8px; padding: 9px 14px; background: var(--e-bar); border-bottom: 1px solid var(--e-line); }
.mx-titlebar__dot { width: 11px; height: 11px; border-radius: 50%; background: #3A3F48; }
.mx-titlebar__name { flex: 1; text-align: center; color: var(--e-dim); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mx-badge { font-size: 11px; color: #C9CDD4; border: 1px solid #3A3F48; border-radius: 999px; padding: 1px 9px; white-space: nowrap; }
.mx-focus-hint { color: var(--e-dim); font-size: 11px; white-space: nowrap; }
.mx-frame:focus .mx-focus-hint, .mx-frame:focus-within .mx-focus-hint { color: var(--s-work); }

.mx-body { display: flex; flex-wrap: wrap; height: 500px; }
.mx-side {
  flex: 1 1 250px; min-width: 0; height: 100%; overflow: auto; border-right: 1px solid var(--e-line);
  background: var(--e-side); padding: 6px 0 10px;
}
.mx-frame.is-focus .mx-side { display: none; }
.mx-side__head { display: flex; justify-content: space-between; padding: 2px 12px 6px; color: var(--e-dim); font-size: 12px; }
.mx-row {
  display: flex; align-items: center; gap: 8px; width: 100%; border: 0; background: transparent;
  color: var(--e-fg); font: inherit; text-align: left; padding: 4px 12px; cursor: pointer; white-space: nowrap;
}
.mx-row:hover { background: #1A1E25; }
.mx-row.is-shown { background: var(--e-shown); }
.mx-row.is-cursor { background: var(--e-cursor); }
.mx-row--folder { color: var(--e-strong); font-weight: 700; padding-top: 5px; padding-bottom: 5px; margin-top: 3px; }
.mx-row.is-unread { color: var(--s-unread); font-weight: 700; }
.mx-row__caret { color: var(--e-dim); width: 10px; flex: none; }
.mx-row__name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.mx-row__sum { font-weight: 500; font-size: 11.5px; }
.mx-dot { flex: none; }
.mx-detail { padding: 2px 12px 8px; font-size: 11.5px; display: grid; gap: 1px; }
.mx-detail div { display: flex; gap: 8px; white-space: nowrap; overflow: hidden; }
.mx-detail dt { color: var(--e-dim); width: 64px; flex: none; }
.mx-detail dd { margin: 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; color: var(--e-soft); }

.mx-main { flex: 999 1 460px; min-width: 0; height: 100%; display: flex; flex-direction: column; background: var(--e-bg); }
.mx-hl { padding: 8px 14px 3px; background: var(--e-head); display: flex; flex-wrap: wrap; align-items: center; gap: 2px 14px; white-space: nowrap; }
.mx-hl__name { display: inline-flex; gap: 8px; align-items: center; }
.mx-hl__name b { color: var(--e-bright); }
.mx-hl__name b.is-unread { color: var(--s-unread); }
.mx-hl__read { margin-left: auto; color: var(--s-unread); font-size: 12px; }
.mx-hl2 { padding: 0 14px 7px; background: var(--e-head); border-bottom: 1px solid var(--e-line); display: flex; flex-wrap: wrap; gap: 0 14px; color: var(--e-dim); font-size: 12px; white-space: nowrap; }
.mx-pane { flex: 1; min-height: 0; overflow: auto; padding: 14px 18px; display: flex; flex-direction: column; gap: 10px; }
.mx-pane--grid { display: grid; gap: 14px; align-content: start; }
.mx-ln--you { color: var(--e-bright); display: flex; gap: 10px; }
.mx-ln--you::before { content: '❯'; color: var(--s-work); flex: none; }
.mx-ln--agent { padding-left: 20px; }
.mx-ln--tool { color: var(--e-dim); padding-left: 20px; font-size: 12px; }
.mx-ln--tool::before { content: '▸ '; }
.mx-ln--sys { color: var(--e-dim); font-style: italic; padding-left: 20px; font-size: 12px; }
.mx-ln--err { color: var(--s-err); padding-left: 20px; font-size: 12px; }
.mx-perm { margin-left: 20px; border: 1px solid var(--s-wait); border-radius: 8px; padding: 10px 12px; background: #231E13; display: grid; gap: 8px; }
.mx-perm__title { color: var(--s-wait); font-weight: 700; }
.mx-perm__acts { display: flex; flex-wrap: wrap; gap: 8px; }
.mx-perm button {
  font: inherit; font-size: 12px; font-weight: 700; border-radius: 6px; padding: 0 14px; min-height: 44px; cursor: pointer;
  background: transparent; color: var(--s-wait); border: 1px solid var(--s-wait);
}
.mx-perm button.is-primary { background: var(--s-wait); color: var(--e-bg); border-color: var(--s-wait); }
.mx-perm button:focus-visible { outline: 2px solid var(--e-bright); outline-offset: 2px; }
.mx-tail { padding-left: 20px; display: flex; gap: 8px; }
.mx-tail--working { color: var(--s-work); }
.mx-tail--starting { color: var(--e-dim); }
.mx-tail--stopped { color: #C9CDD4; }
.mx-tail--ready { margin-top: 4px; border-top: 1px solid var(--e-line); padding: 10px 0 0; align-items: center; gap: 10px; }
.mx-tail--ready::before { content: '❯'; color: var(--s-ready); }
.mx-caret-block { display: inline-block; width: 8px; height: 16px; background: var(--e-fg); }

.mx-board-hint { color: var(--e-dim); font-size: 12px; }
.mx-group { display: grid; gap: 8px; }
.mx-group__title { color: var(--e-strong); font-weight: 700; }
.mx-lanes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr)); gap: 8px; }
.mx-lane { background: var(--e-side); border: 1px solid #23272E; border-radius: 8px; padding: 8px; display: grid; gap: 6px; align-content: start; min-height: 60px; }
.mx-lane__title { color: var(--e-dim); font-size: 11px; letter-spacing: 0.06em; }
.mx-lane__empty { color: #5A606B; font-size: 12px; }
.mx-cardbtn {
  text-align: left; font: inherit; font-size: 12px; color: var(--e-strong); background: #1B1E24;
  border: 1px solid #2E333C; border-radius: 6px; padding: 7px 8px; cursor: pointer; display: grid; gap: 3px;
}
.mx-cardbtn:hover { border-color: #4A5160; }
.mx-cardbtn.is-selected { background: #232A36; border-color: var(--s-work); }
.mx-cardbtn__name { display: flex; gap: 6px; align-items: baseline; }
.mx-cardbtn__name b { font-weight: 600; }
.mx-cardbtn__sub { color: var(--e-dim); font-size: 11px; }
.mx-tag { justify-self: start; font-size: 10.5px; font-weight: 700; color: var(--e-bg); border-radius: 4px; padding: 0 5px; }
.mx-tag--new { background: var(--s-unread); }
.mx-tag--err { background: var(--s-err); }

.mx-title { color: var(--e-bright); font-weight: 700; }
.mx-kv { display: grid; gap: 4px; margin: 0; }
.mx-kv div { display: grid; grid-template-columns: 104px minmax(0, 1fr) auto; gap: 12px; font-size: 12px; }
.mx-kv dt { color: var(--e-dim); }
.mx-kv dd { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mx-kv dd + dd { overflow: visible; }
.mx-steps { display: grid; gap: 6px; font-size: 12px; border-top: 1px solid var(--e-line); padding-top: 12px; margin: 0; padding-left: 0; list-style: none; }
.mx-steps__title { color: var(--s-wait); font-weight: 700; }
.mx-note { color: var(--e-dim); font-size: 12px; margin: 0; }
.mx-ok { color: var(--s-ready); font-size: 12px; margin: 0; }
.mx-acts { display: grid; gap: 3px; font-size: 12.5px; margin: 0; padding: 0; list-style: none; }
.mx-acts li { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.mx-acts__k { width: 18px; color: var(--s-work); font-weight: 700; }
.mx-acts li.is-off, .mx-acts li.is-off .mx-acts__k { color: #8A909B; }
.mx-acts__why { color: var(--e-dim); font-style: italic; }
.mx-sh { font-size: 12.5px; display: grid; gap: 4px; align-content: start; }
.mx-sh__prompt { color: var(--s-ready); }
.mx-code { margin: 0; font: inherit; font-size: 12.5px; white-space: pre; }
.mx-code .k { color: var(--s-unread); }

.mx-modeline {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 16px; padding: 5px 12px;
  background: var(--e-mode); color: var(--e-fg); font-size: 12px; border-top: 1px solid #323743;
}
.mx-modeline__buf { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mx-modeline__focus { color: var(--s-work); font-weight: 700; }
.mx-modeline__mode { color: #A9B0BB; }
.mx-msg { padding: 6px 12px; min-height: 30px; color: #C9CDD4; font-size: 12px; background: var(--e-bg); }

.mx-noscript { padding: 24px; color: var(--e-fg); }

.c-work { color: var(--s-work); }
.c-wait { color: var(--s-wait); }
.c-ready { color: var(--s-ready); }
.c-stop { color: var(--s-stop); }
.c-err { color: var(--s-err); }
.c-unread { color: var(--s-unread); }

.spin { display: inline-block; width: 1ch; }
.spin::before { content: '⠋'; animation: mxspin .9s steps(1) infinite; }
@keyframes mxspin {
  0% { content: '⠋'; } 10% { content: '⠙'; } 20% { content: '⠹'; } 30% { content: '⠸'; } 40% { content: '⠼'; }
  50% { content: '⠴'; } 60% { content: '⠦'; } 70% { content: '⠧'; } 80% { content: '⠇'; } 90% { content: '⠏'; }
}
.caret { animation: mxblink 1.1s steps(1) infinite; }
@keyframes mxblink { 50% { opacity: 0; } }
.type { display: inline-block; overflow: hidden; white-space: nowrap; vertical-align: bottom; animation: mxtype calc(var(--n) * 42ms) steps(var(--n)) both; }
@keyframes mxtype { from { width: 0; } to { width: calc(var(--n) * 1ch); } }
.flash { animation: mxflash 1.6s ease-out; }
@keyframes mxflash { 0% { background: #3B2F57; } 100% { background: transparent; } }

/* Key buttons and legend */
.keys { display: grid; gap: 14px; }
.keypad { display: flex; flex-wrap: wrap; gap: 8px; }
.keybtn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px 0 6px;
  background: var(--paper); border: 1px solid #C6CBD3; border-radius: 10px; font: inherit; font-size: 14px; color: var(--ink); cursor: pointer;
}
.keybtn:hover { border-color: var(--ink); }
.keybtn:active .kc { border-bottom-width: 1.5px; transform: translateY(2px); }
.keybtn .kc { min-width: 26px; padding: 1px 6px; font-size: 13px; background: var(--ground); border-bottom-width: 3px; border-radius: 6px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 14px; color: var(--ink-2); margin: 0; padding: 0; list-style: none; }
.legend li { display: inline-flex; gap: 6px; align-items: center; }

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(480px, 100%), 1fr)); gap: 0 56px; }
.feature { display: flex; gap: 22px; padding: 28px 0; border-top: 2px solid var(--ink); }
.feature__body { display: grid; gap: 8px; align-content: start; min-width: 0; }
.feature h3, .qs-req h3 { margin: 0; font-family: var(--font-display); font-size: 25px; letter-spacing: -0.02em; line-height: 1.15; }
.feature p { margin: 0; color: var(--ink-2); }
.modeline-sample {
  font-family: var(--font-mono); font-size: 13px; background: var(--e-bg); color: var(--e-fg);
  border-radius: 8px; padding: 9px 12px; overflow-x: auto; white-space: nowrap;
}

/* Interfaces */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 16px; }
.card { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 24px; display: grid; gap: 10px; align-content: start; }
.card--dashed { background: transparent; border: 1.5px dashed var(--e-dim); }
.card__head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card h3 { margin: 0; font-family: var(--font-mono); font-size: 18px; }
.card__kind { font-size: 12px; font-family: var(--font-mono); color: var(--ink-2); }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* Messaging */
.dark { background: var(--ink); color: #E6E9EE; }
.messaging { padding-top: 88px; padding-bottom: 88px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr)); gap: 48px; align-items: start; }
.messaging__copy { display: grid; gap: 18px; }
.dark .eyebrow { color: #C9CDD4; }
.dark h2 { color: var(--paper); }
.dark p { margin: 0; color: #C9CDD4; }
.dark code { color: var(--paper); font-size: 0.9em; }
.arrows { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; font-size: 15.5px; color: var(--e-fg); }
.arrows li { display: flex; gap: 12px; }
.arrows li::before { content: '→'; color: var(--s-work); font-family: var(--font-mono); flex: none; }
.terminal { margin: 0; display: grid; gap: 10px; min-width: 0; }
.terminal__win { background: var(--e-bg); border: 1px solid #2A2E36; border-radius: 14px; overflow: hidden; }
.terminal__bar { display: flex; justify-content: space-between; gap: 8px; padding: 9px 14px; border-bottom: 1px solid #2A2E36; font-family: var(--font-mono); font-size: 12px; color: var(--e-dim); }
.terminal pre { margin: 0; padding: 18px; overflow-x: auto; font-family: var(--font-mono); font-size: 13px; line-height: 1.65; color: var(--e-fg); }
.terminal .ps { color: var(--s-ready); }
.terminal .dim { color: var(--e-dim); }
.terminal figcaption { font-size: 13.5px; color: #A9B0BB; }
.terminal figcaption code { color: #A9B0BB; }

/* Limits */
.limits { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 0 48px; }
.limit { padding: 20px 0; border-top: 1px solid var(--rule-strong); display: grid; gap: 4px; align-content: start; }
.limit h3 { margin: 0; font-size: 18px; display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; }
.limit p { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.tag { font-family: var(--font-mono); font-size: 11.5px; font-weight: 500; padding: 1px 7px; border: 1px solid var(--ink-2); border-radius: 999px; }
.after-note { margin: 0; font-size: 15.5px; }

/* Quickstart */
.qs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 40px; align-items: start; }
.qs-code { display: grid; gap: 12px; min-width: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab {
  min-height: 44px; padding: 0 16px; border: 1.5px solid var(--ink); border-radius: 10px;
  background: var(--paper); color: var(--ink); font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
}
.tab[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.tabpanel { background: var(--e-bg); border-radius: 14px; min-width: 0; }
.tabpanel:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.tabpanel pre { margin: 0; padding: 22px 20px; overflow-x: auto; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7; color: var(--e-fg); white-space: pre; }
.tabpanel__foot { display: flex; justify-content: flex-end; align-items: center; gap: 12px; padding: 0 12px 12px; }
.copy-status { color: #C9CDD4; font-size: 13px; }
.copy-btn {
  min-height: 44px; padding: 0 16px; border: 1px solid #3A3F48; border-radius: 8px;
  background: #22262E; color: var(--paper); font: inherit; font-size: 14px; cursor: pointer;
}
.copy-btn:hover { background: #2C313A; }
.copy-btn:focus-visible { outline: 2px solid var(--e-bright); outline-offset: 2px; }
.qs-req { display: grid; gap: 14px; }
.qs-req h3 { font-size: 24px; }
.qs-req dl { margin: 0; display: grid; gap: 12px; font-size: 15.5px; }
.qs-req dl > div { display: grid; gap: 2px; padding-bottom: 12px; border-bottom: 1px solid var(--rule-soft); }
.qs-req dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.qs-req dt { font-weight: 600; }
.qs-req dd { margin: 0; color: var(--ink-2); }

/* CTA and footer */
.cta { padding-top: 88px; padding-bottom: 88px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.cta h2 { max-width: 16em; font-size: clamp(1.9rem, 3.6vw, 2.8rem); line-height: 1.05; }
.site-footer { border-top: 1px solid var(--rule); }
.footer { padding-top: 32px; padding-bottom: 48px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px 40px; font-size: 14.5px; color: var(--ink-2); }
.footer__about { display: grid; gap: 6px; max-width: 34em; }
.footer__brand { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.footer__brand span:last-child { font-family: var(--font-display); font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.footer nav { display: flex; flex-wrap: wrap; gap: 4px 22px; align-content: flex-start; }
.footer nav a { display: inline-flex; align-items: center; min-height: 44px; }

/* Narrow screens: stack the frame */
@media (max-width: 800px) {
  .mx-body { height: auto; }
  .mx-side { height: auto; max-height: 250px; border-right: 0; border-bottom: 1px solid var(--e-line); }
  .mx-main { height: 440px; }
  .mx-focus-hint { display: none; }
}

@media (max-width: 420px) {
  .mx-badge { display: none; }
  .mx-pane { padding: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .spin::before { animation: none; content: '●'; }
  .caret { animation: none; }
  .type { animation: none; width: auto; }
  .flash { animation: none; }
}

@media (forced-colors: active) {
  .mx-row.is-cursor, .mx-cardbtn.is-selected { outline: 2px solid Highlight; }
  .tab[aria-selected="true"] { outline: 2px solid Highlight; }
}