/* ============================================================
       SIGNL — the RiCreate Ai front door. Design language v2.
       See signl-site/DESIGN-NOTES.md.
       GOVERNING PRINCIPLE: visible agent activity — every motion
       reports a real event. The work-verb log carries the liveness;
       the agent-dot is the whisper on top. Reduced motion => Calm.
       Brand: _hub/brand/brand.json. Zero-CDN, self-hosted fonts.
       Production domain: https://signlbot.com (staging noindexed).
       ============================================================ */
    @font-face { font-family: 'Syne'; src: url('/Resources/fonts/syne.woff2') format('woff2'); font-weight: 400 800; font-display: swap; }
    @font-face { font-family: 'Hanken'; src: url('/Resources/fonts/hanken.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
    @font-face { font-family: 'JBMono'; src: url('/Resources/fonts/jetbrains-mono.woff2') format('woff2'); font-weight: 100 800; font-display: swap; }

    :root {
      --paper: #FBFCFE; --paper-2: #F1F5FA;
      --ink: #0B0E14; --muted: #545E6B; --muted-2: #7E8A98;
      --hairline: #E2E7EE; --hairline-2: #EDF1F6;
      --console: #0A0D13; --console-2: #12161F; --console-line: rgba(180,197,224,.14);
      --console-ink: #EAF0F8; --console-dim: #8A97A8;
      --blue: #2F6BFF;       /* agent_blue — focus ring + non-text accents */
      --blue-text: #1E56E6;  /* AA-safe blue for small on-paper text (5.8:1) */
      --green: #22C55E;      /* create_green — the dot + on-console (the human's yes) */
      --green-text: #0F7A3D; /* AA-safe green for on-paper emphasis text (4.7:1) */
      --gold: #FACC15;
      --green-ink: #06210f;
      --display: 'Hanken', -apple-system, 'Segoe UI', sans-serif;
      --body: 'Hanken', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --wordmark: 'Syne', 'Hanken', sans-serif;
      --mono: 'JBMono', ui-monospace, 'SF Mono', Menlo, monospace;
      --s1: 8px; --s2: 16px; --s3: 24px; --s4: 40px; --s5: 66px; --s6: 112px;
      --r: 16px;
      --dot-grad: radial-gradient(circle at 38% 34%, var(--gold) 0%, var(--green) 48%, var(--blue) 100%);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0; background: var(--paper); color: var(--ink);
      font-family: var(--body); font-size: 17px; line-height: 1.62; font-weight: 420;
      -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
    }
    a { color: inherit; }
    .wrap { max-width: 1140px; margin: 0 auto; padding: 0 var(--s3); }
    section { padding: var(--s6) 0; }
    h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.035em; line-height: 1.03; font-weight: 800; }
    h2 { font-size: clamp(32px, 4.8vw, 50px); }
    .sub { color: var(--muted); max-width: 52ch; }
    :focus-visible { outline: 2.5px solid var(--blue); outline-offset: 3px; border-radius: 5px; }

    .eyebrow {
      font-family: var(--mono); font-size: 12px; letter-spacing: .13em;
      text-transform: uppercase; color: var(--muted); margin: 0 0 var(--s2);
      display: inline-flex; align-items: center; gap: 7px;
    }
    .eyebrow::before { content: '‹'; color: var(--blue-text); font-size: 15px; font-weight: 700; }
    .eyebrow::after  { content: '›'; color: var(--blue-text); font-size: 15px; font-weight: 700; }
    /* section head: eyebrow + h2 with a tightened rhythm + hairline lead-in */
    .sec-head { margin-bottom: var(--s4); }
    .sec-head h2 { margin-top: 10px; max-width: 20ch; }

    /* ---- the agent-dot (Pilot Light) ---- */
    .dot { position: relative; width: 11px; height: 11px; border-radius: 50%; background: var(--dot-grad); flex: none; }
    .dot::after {
      content: ''; position: absolute; inset: -3px; border-radius: 50%;
      border: 1.5px solid var(--green); opacity: 0; transform: scale(.6);
    }
    .dot.is-working::after { animation: dot-ring 1.15s ease-out infinite; }
    .dot.did-finish::after { animation: dot-ring .62s ease-out 1; }
    @keyframes dot-ring { 0% { opacity: .55; transform: scale(.6);} 70%{opacity:0; transform: scale(2.1);} 100%{opacity:0;} }
    /* resting glow: a PRE-BLURRED radial (no animated filter — compositor-only) */
    .pilot .dot::before {
      content: ''; position: absolute; inset: -5px; border-radius: 50%;
      background: radial-gradient(circle, var(--green) 0%, transparent 68%);
      opacity: .16; animation: pilot-rest 3.4s ease-in-out infinite;
    }
    @keyframes pilot-rest { 0%,100%{opacity:.10;} 50%{opacity:.30;} }

    /* ---- nav / lockup ---- */
    header.nav { position: sticky; top: 0; z-index: 40; background: rgba(251,252,254,.86); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--hairline); }
    .nav .wrap { display: flex; align-items: center; gap: var(--s3); padding: 15px var(--s3); }
    .lockup { display: flex; align-items: center; gap: 10px; text-decoration: none; }
    .lockup .glyph { width: 30px; height: 30px; display: block; }
    .lockup .name { font-family: var(--wordmark); font-weight: 800; font-size: 20px; letter-spacing: .04em; color: var(--ink); }
    .lockup .by { font-family: var(--mono); font-size: 10px; letter-spacing: .05em; color: var(--muted-2); border-left: 1px solid var(--hairline); padding-left: 9px; margin-left: 2px; }
    .nav nav { margin-left: auto; display: flex; align-items: center; gap: 24px; font-size: 15px; }
    .nav nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
    .nav nav a:hover { color: var(--ink); }
    .soon { color: var(--muted-2); cursor: default; }
    .soon i { font-style: normal; font-family: var(--mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-text); margin-left: 5px; vertical-align: 2px; }
    .btn { display: inline-flex; align-items: center; gap: 9px; background: var(--ink); color: var(--paper); font-family: var(--body); font-weight: 600; font-size: 15.5px; text-decoration: none; padding: 11px 21px; border-radius: 999px; border: 0; cursor: pointer; transition: transform .16s ease, box-shadow .16s ease; }
    .btn:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(11,14,20,.18); }
    .btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--hairline); }
    .btn.ghost:hover { border-color: var(--ink); box-shadow: none; }
    .btn .dot { width: 9px; height: 9px; }
    @media (max-width: 880px) { .nav nav { display: none; } .lockup .by { display: none; } }

    /* ---- hero ---- */
    .hero { padding: clamp(48px, 7vh, 84px) 0 var(--s5); position: relative; }
    /* the agent's field: a faint static glow behind the console (depth, cheap) */
    .hero::after { content: ''; position: absolute; top: 8%; right: -6%; width: 46%; height: 74%; z-index: 0; pointer-events: none;
      background: radial-gradient(circle at 60% 40%, rgba(47,107,255,.10), rgba(34,197,94,.06) 40%, transparent 70%); filter: blur(20px); }
    .hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr 1.06fr; gap: var(--s5); align-items: center; }
    .hero h1 { font-size: clamp(46px, 6.8vw, 82px); font-weight: 800; letter-spacing: -0.045em; }
    .hero h1 .grad { background: linear-gradient(96deg, var(--gold), var(--green) 42%, var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
    .hero .sub { font-size: clamp(17px, 1.9vw, 20.5px); margin: var(--s3) 0 var(--s4); max-width: 45ch; }
    .hero .cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
    .trust { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-top: var(--s3); line-height: 1.9; }
    @media (max-width: 980px) { .hero .wrap { grid-template-columns: 1fr; gap: var(--s4); } .hero .console-col { order: 2; } .hero::after { display: none; } }

    /* ---- the agent console (the reusable "agent's window") ---- */
    .console { position: relative; background: var(--console); border-radius: 22px; padding: 2px; box-shadow: 0 34px 90px rgba(11,14,20,.34); }
    .console::before {
      content: ''; position: absolute; inset: 0; border-radius: 22px; padding: 1.4px;
      background: linear-gradient(135deg, var(--gold), var(--green) 45%, var(--blue));
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor; mask-composite: exclude; opacity: .62; pointer-events: none;
    }
    .console-inner { background: var(--console); border-radius: 20px; padding: 18px 18px 20px; }
    .console-bar { display: flex; align-items: center; gap: 10px; padding: 2px 4px 14px; border-bottom: 1px solid var(--console-line); }
    .console-bar .lockup .name { color: var(--console-ink); font-size: 16px; }
    .console-bar .stat { margin-left: auto; font-family: var(--mono); font-size: 10.5px; color: var(--console-dim); display: flex; align-items: center; gap: 7px; }
    .console-body { padding-top: 14px; display: flex; flex-direction: column; gap: 11px; min-height: 356px; }
    .req { align-self: flex-end; max-width: 84%; background: var(--green); color: var(--green-ink); padding: 10px 14px; border-radius: 15px; border-bottom-right-radius: 5px; font-size: 14.5px; line-height: 1.45; }
    .worklog { font-family: var(--mono); font-size: 12.5px; line-height: 1.85; color: var(--console-dim); background: var(--console-2); border: 1px solid var(--console-line); border-radius: 12px; padding: 11px 13px; }
    .worklog .row { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
    .worklog .row .g { color: var(--green); }
    .worklog .row .caret { color: var(--blue); }
    .worklog .row .done { color: var(--green); margin-left: auto; }
    .worklog .row .bars { color: var(--console-ink); letter-spacing: -1px; }
    .preview { background: var(--console-2); border: 1px solid var(--console-line); border-radius: 12px; overflow: hidden; align-self: flex-start; width: 82%; }
    .preview .pbar { height: 20px; background: rgba(255,255,255,.03); display: flex; align-items: center; gap: 4px; padding: 0 9px; border-bottom: 1px solid var(--console-line); }
    .preview .pbar i { width: 5px; height: 5px; border-radius: 50%; background: var(--console-dim); opacity: .5; }
    .preview .pbar span { margin-left: auto; font-family: var(--mono); font-size: 9px; color: var(--console-dim); }
    .preview .pbody { padding: 11px 13px 13px; }
    .preview .ln { height: 7px; border-radius: 4px; background: rgba(180,197,224,.16); margin: 7px 0; }
    .preview .ln.w40 { width: 40%; } .preview .ln.w62 { width: 62%; }
    .preview .badge { display: inline-block; font-family: var(--mono); font-size: 10.5px; color: var(--green-ink); background: var(--green); border-radius: 5px; padding: 2px 8px; margin-top: 6px; }
    .resolve { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11.5px; color: var(--console-dim); padding: 2px; }
    .resolve .y { color: var(--green-ink); background: var(--green); border-radius: 5px; padding: 1px 8px; font-weight: 600; }
    .resolve .live { color: var(--green); }
    .play .cue { opacity: 0; }
    .cue.shown { opacity: 1; transition: opacity .32s ease; }

    /* ---- section-assembly reveal (with a stagger — the agent places items) ---- */
    .anim .reveal { opacity: 0; transform: translateY(16px); }
    .anim .reveal.assembled { opacity: 1; transform: none; transition: opacity .55s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
    /* staggered children within a revealed container */
    .anim .chips.reveal .chip { opacity: 0; transform: translateY(9px); }
    .anim .chips.reveal.assembled .chip { opacity: 1; transform: none; transition: opacity .45s ease, transform .5s cubic-bezier(.2,.7,.2,1); }
    .anim .chips.reveal.assembled .chip:nth-child(2){transition-delay:.04s} .anim .chips.reveal.assembled .chip:nth-child(3){transition-delay:.08s}
    .anim .chips.reveal.assembled .chip:nth-child(4){transition-delay:.12s} .anim .chips.reveal.assembled .chip:nth-child(5){transition-delay:.16s}
    .anim .chips.reveal.assembled .chip:nth-child(6){transition-delay:.20s} .anim .chips.reveal.assembled .chip:nth-child(7){transition-delay:.24s}
    .anim .chips.reveal.assembled .chip:nth-child(8){transition-delay:.28s} .anim .chips.reveal.assembled .chip:nth-child(9){transition-delay:.32s}
    /* grids: cascade the cards */
    .anim .how li.reveal:nth-child(2), .anim .what .cell.reveal:nth-child(2), .anim .cards .price.reveal:nth-child(2) { transition-delay: .09s; }
    .anim .how li.reveal:nth-child(3), .anim .what .cell.reveal:nth-child(3) { transition-delay: .18s; }
    .anim .what .cell.reveal:nth-child(4) { transition-delay: .27s; }

    /* ---- niches ---- */
    .niches { background: var(--paper-2); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
    .chips { display: flex; flex-wrap: wrap; gap: 9px; }
    .chip { font-size: 14.5px; color: var(--ink); background: var(--paper); border: 1px solid var(--hairline); border-radius: 999px; padding: 8px 16px; font-weight: 500; }
    .phi { font-size: 14px; color: var(--muted); max-width: 64ch; margin-top: var(--s3); }
    .phi b { color: var(--ink); font-weight: 600; }

    /* ---- how it works ---- */
    .how ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s3); }
    .how li { background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r); padding: var(--s3); }
    .how .tag { font-family: var(--mono); font-size: 11.5px; color: var(--blue-text); letter-spacing: .06em; display: flex; align-items: center; gap: 7px; }
    .how h3 { font-size: 23px; margin: 12px 0 8px; font-weight: 800; letter-spacing: -0.025em; }
    .how p { margin: 0; color: var(--muted); font-size: 15.5px; }
    .how .k { color: var(--ink); font-family: var(--mono); font-size: 13.5px; background: var(--paper-2); border: 1px solid var(--hairline); border-radius: 5px; padding: 1px 6px; }
    @media (max-width: 880px) { .how ol { grid-template-columns: 1fr; } }

    /* ---- what you get ---- */
    .what .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s3); }
    .what .cell { border: 1px solid var(--hairline); border-radius: var(--r); padding: var(--s3); background: var(--paper); }
    .what h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
    .what p { margin: 0; color: var(--muted); font-size: 15.5px; }
    .forever { color: var(--green-text); font-weight: 600; }
    @media (max-width: 720px) { .what .grid { grid-template-columns: 1fr; } }

    /* ---- pricing (★locked card, verbatim) ---- */
    .pricing .cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s3); }
    .price { background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--r); padding: var(--s4) var(--s3) var(--s3); }
    .price .tier { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
    .price .amt { font-family: var(--display); font-size: 47px; font-weight: 800; letter-spacing: -0.04em; margin: 8px 0 2px; }
    .price .amt small { font-family: var(--mono); font-size: 14px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
    .price ul { list-style: none; margin: var(--s2) 0 0; padding: 0; color: var(--muted); font-size: 15px; }
    .price li { padding: 8px 0 8px 22px; border-top: 1px solid var(--hairline-2); position: relative; }
    .price li::before { content: '‹›'; position: absolute; left: 0; color: var(--green-text); font-family: var(--mono); font-size: 12px; top: 9px; }
    .gas { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: var(--s3); max-width: 74ch; line-height: 1.85; }
    .gas b { color: var(--ink); font-weight: 600; }
    @media (max-width: 720px) { .pricing .cards { grid-template-columns: 1fr; } }

    /* ---- signup: the conversational surface ---- */
    .signup { background: var(--paper-2); border-top: 1px solid var(--hairline); }
    .signup .wrap { display: grid; grid-template-columns: .82fr 1.18fr; gap: var(--s5); align-items: start; }
    @media (max-width: 980px) { .signup .wrap { grid-template-columns: 1fr; gap: var(--s4); } }

    /* the chat console */
    .chat { max-width: 560px; }
    .chat .console-body { min-height: 300px; max-height: 460px; overflow-y: auto; scroll-behavior: smooth; gap: 10px; }
    .msg-bot { align-self: flex-start; max-width: 86%; background: var(--console-2); color: var(--console-ink); border: 1px solid var(--console-line); padding: 11px 14px; border-radius: 15px; border-bottom-left-radius: 5px; font-size: 14.5px; line-height: 1.5; }
    .msg-bot .phi-line { color: var(--console-dim); font-size: 13px; display: block; margin-top: 6px; }
    .msg-you { align-self: flex-end; max-width: 86%; background: var(--green); color: var(--green-ink); padding: 10px 14px; border-radius: 15px; border-bottom-right-radius: 5px; font-size: 14.5px; line-height: 1.45; font-weight: 500; }
    .typing { align-self: flex-start; background: var(--console-2); border: 1px solid var(--console-line); border-radius: 15px; border-bottom-left-radius: 5px; padding: 12px 15px; display: inline-flex; gap: 5px; }
    .typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--console-dim); animation: ty 1.2s infinite; }
    .typing i:nth-child(2){animation-delay:.15s} .typing i:nth-child(3){animation-delay:.3s}
    @keyframes ty { 0%,60%,100%{opacity:.35;transform:none} 30%{opacity:1;transform:translateY(-3px)} }
    /* the dock: chips or text-input, swapped per step */
    .chat-dock { border-top: 1px solid var(--console-line); margin-top: 12px; padding-top: 14px; }
    .dock-chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .dock-chips button { font-family: var(--body); font-size: 14px; color: var(--console-ink); background: var(--console-2); border: 1px solid var(--console-line); border-radius: 999px; padding: 8px 15px; cursor: pointer; transition: border-color .14s ease, background .14s ease; }
    .dock-chips button:hover { border-color: var(--green); }
    .dock-chips button.sel { background: var(--green); color: var(--green-ink); border-color: var(--green); font-weight: 600; }
    .dock-chips button.ghost { color: var(--console-dim); }
    .dock-row { display: flex; gap: 9px; align-items: center; }
    .dock-row input[type=text], .dock-row input[type=tel] { flex: 1; background: var(--console-2); color: var(--console-ink); border: 1px solid var(--console-line); border-radius: 10px; padding: 11px 13px; font-family: var(--body); font-size: 15px; }
    .dock-row input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(34,197,94,.16); }
    .dock-row input::placeholder { color: var(--console-dim); }
    .dock-send { background: var(--green); color: var(--green-ink); border: 0; border-radius: 10px; padding: 11px 16px; font-weight: 700; font-size: 14px; cursor: pointer; font-family: var(--body); display: inline-flex; align-items: center; gap: 7px; }
    .dock-send:disabled { opacity: .5; cursor: not-allowed; }
    .dock-consent { display: flex; gap: 9px; align-items: flex-start; font-family: var(--mono); font-size: 11px; color: var(--console-dim); line-height: 1.5; margin-top: 10px; }
    .dock-consent input { margin-top: 2px; accent-color: var(--green); width: 15px; height: 15px; flex: none; }
    .dock-note { font-family: var(--mono); font-size: 11px; color: var(--gold); margin-top: 8px; min-height: 0; }
    .chat-intro { color: var(--muted); font-size: 15.5px; margin: var(--s2) 0 0; }
    .chat-intro b { color: var(--ink); font-weight: 600; }

    /* the no-JS safety floor: a real form, hidden once JS runs */
    .nojs-form { background: var(--paper); border: 1px solid var(--hairline); border-radius: 20px; padding: var(--s3); max-width: 560px; }
    .nojs-form .f { margin-bottom: var(--s3); }
    .nojs-form label, .nojs-form .lbl { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
    .nojs-form .hint { font-weight: 400; color: var(--muted); }
    .nojs-form input[type=text], .nojs-form input[type=tel], .nojs-form textarea, .nojs-form select { width: 100%; background: var(--paper); color: var(--ink); border: 1px solid var(--hairline); border-radius: 10px; padding: 12px 14px; font-family: var(--body); font-size: 16px; }
    .nojs-form textarea { min-height: 72px; resize: vertical; }
    .nojs-form .seg { display: inline-flex; gap: 18px; }
    .nojs-form .consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: var(--muted); line-height: 1.55; margin: 8px 0 18px; }
    .nojs-form .consent input { margin-top: 3px; accent-color: var(--green); }
    .nojs-form .hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
    .js-on .nojs-form { display: none; }
    .chat[hidden] { display: none; }

    /* ---- footer ---- */
    footer { border-top: 1px solid var(--hairline); padding: var(--s4) 0 var(--s5); color: var(--muted); font-size: 14px; }
    footer .wrap { display: flex; flex-wrap: wrap; gap: var(--s3) var(--s4); align-items: baseline; }
    footer nav { display: flex; gap: 18px; flex-wrap: wrap; margin-left: auto; }
    footer a { text-decoration: none; color: var(--muted); }
    footer a:hover { color: var(--ink); }
    footer .legal { font-family: var(--mono); font-size: 11.5px; color: var(--muted-2); width: 100%; line-height: 1.7; }
    footer .legal .g { color: var(--green-text); font-weight: 600; }

    /* ---- CALM MODE ---- */
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .dot::after, .pilot .dot::before, .dot.is-working::after, .dot.did-finish::after, .typing i { animation: none !important; }
      .play .cue, .cue { opacity: 1 !important; }
      .anim .reveal, .anim .chips.reveal .chip { opacity: 1 !important; transform: none !important; transition: none !important; }
      .chat .console-body { scroll-behavior: auto; }
    }

    /* ---- blog / long-form (P1-B). Inherits the locked language: Hanken, ink/
       paper, ‹› motif, AA link color. Article measure ~66ch for readability. ---- */
    .article { max-width: 720px; margin: 0 auto; padding: 0 var(--s3); }
    .article-head { padding: clamp(40px, 7vh, 76px) 0 var(--s4); border-bottom: 1px solid var(--hairline); margin-bottom: var(--s4); }
    .article-head .meta { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); display: flex; gap: 10px; align-items: center; }
    .article-head .meta .dot { width: 8px; height: 8px; }
    .article-head h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.05; margin: 16px 0 0; }
    .article-head .dek { font-size: clamp(18px, 2.2vw, 22px); color: var(--muted); margin: 18px 0 0; line-height: 1.5; max-width: 60ch; }
    .prose { font-size: 18px; line-height: 1.72; color: var(--ink); }
    .prose > * { max-width: 66ch; }
    .prose p { margin: 0 0 var(--s3); }
    .prose h2 { font-family: var(--display); font-size: 27px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; margin: var(--s5) 0 var(--s2); }
    .prose h3 { font-family: var(--display); font-size: 21px; font-weight: 700; margin: var(--s4) 0 10px; }
    .prose ul, .prose ol { margin: 0 0 var(--s3); padding-left: 0; list-style: none; }
    .prose ul li, .prose ol li { position: relative; padding: 4px 0 4px 26px; color: var(--ink); }
    .prose ul li::before { content: '‹›'; position: absolute; left: 0; top: 5px; color: var(--green-text); font-family: var(--mono); font-size: 13px; }
    .prose ol { counter-reset: n; }
    .prose ol li { counter-increment: n; }
    .prose ol li::before { content: counter(n); position: absolute; left: 0; top: 5px; color: var(--blue-text); font-family: var(--mono); font-size: 14px; font-weight: 600; }
    .prose a { color: var(--blue-text); text-decoration: none; border-bottom: 1px solid rgba(30,86,230,.3); }
    .prose a:hover { border-bottom-color: var(--blue-text); }
    .prose strong { font-weight: 700; color: var(--ink); }
    .prose .k { color: var(--ink); font-family: var(--mono); font-size: 15px; background: var(--paper-2); border: 1px solid var(--hairline); border-radius: 5px; padding: 1px 6px; }
    .prose blockquote { margin: var(--s4) 0; padding: 4px 0 4px 22px; border-left: 2.5px solid var(--green); font-family: var(--display); font-size: 22px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.35; color: var(--ink); }
    .article-cta { max-width: 720px; margin: var(--s5) auto 0; padding: var(--s4) var(--s3); border-top: 1px solid var(--hairline); }
    .article-cta .box { background: var(--paper-2); border: 1px solid var(--hairline); border-radius: var(--r); padding: var(--s4) var(--s3); text-align: center; }
    .article-cta h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; letter-spacing: -0.03em; }
    .article-cta p { color: var(--muted); margin: 12px auto 22px; max-width: 46ch; }
    /* blog index list */
    .bloglist { max-width: 760px; margin: 0 auto; padding: 0 var(--s3); }
    .postcard { display: block; text-decoration: none; color: inherit; padding: var(--s3) 0; border-top: 1px solid var(--hairline); }
    .postcard:first-child { border-top: 0; }
    .postcard .meta { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
    .postcard h3 { font-family: var(--display); font-size: clamp(22px, 3vw, 28px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.15; margin: 8px 0; }
    .postcard p { color: var(--muted); margin: 0; font-size: 16px; max-width: 64ch; }
    .postcard .more { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; font-size: 14px; color: var(--blue-text); font-weight: 600; }
    .postcard:hover h3 { color: var(--blue-text); }