/* ============================================================================
   RevDog — landing page styles (forked Source theme)
   Source of intent: docs/revdog-landing-page-spec.md + docs/revdog-style-reference.html
   Hand-maintained static asset (NOT produced by the gulp build). Loaded after
   Source's screen.css in default.hbs. All landing rules are scoped under
   `.rd-landing` so they never collide with Source's blog templates.

   Palette logic:  green = what RevDog adds · ink = the rigorous spine ·
                   warm paper = the friendly ground · red = the wound (sparing)
   ============================================================================ */

:root{
  --rd-green-action:#0F7A5C;    /* buttons, links — WCAG AA on white text   */
  --rd-green-accent:#1D9E75;    /* fills, bars, the companion dot           */
  --rd-green-tint:#E1F5EE;      /* proof "extra" panels, pills              */
  --rd-green-tint-text:#0F6E56; /* text on green tint                       */
  --rd-green-border:#5DCAA5;    /* borders on tint                          */
  --rd-ink:#1A1A1A;             /* headlines, the rigorous spine            */
  --rd-muted:#5F5E5A;           /* body / subheads                          */
  --rd-hint:#8A8980;            /* captions, legal                          */
  --rd-paper:#F6F5F0;           /* warm ground / surfaces                   */
  --rd-line:#E6E4DC;            /* borders, hairlines                       */
  --rd-white:#FFFFFF;
  --rd-red:#A32D2D;             /* the leak / the wound — sparing only      */
  --rd-blue:#185FA5;            /* sample-ad headline (Google-ad realism)   */
  --rd-font-display:'Hanken Grotesk',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --rd-font-body:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --rd-font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --rd-radius:10px; --rd-radius-lg:14px; --rd-radius-xl:18px;
  --rd-wrap:800px;      /* content column — single-column landing, comfortable width */
  --rd-measure:740px;   /* single prose measure — every text block shares it */
  --rd-drawer-w:392px;  /* companion panel width (also how far the page shifts) */
}

/* ---- shell ---------------------------------------------------------------- */
.rd-landing{font-family:var(--rd-font-body);color:var(--rd-ink);line-height:1.6;background:var(--rd-white);-webkit-font-smoothing:antialiased;transition:margin-right .3s ease}
.rd-landing *{box-sizing:border-box}
.rd-wrap{max-width:var(--rd-wrap);margin:0 auto;padding:0 24px}
/* Rhythm comes from BACKGROUND + whitespace, not hairlines (YC-minimal): no section rules; sections
   alternate white / warm-paper, bookended by soft-green hero + close. */
.rd-section{padding:76px 0}
.rd-section--paper{background:var(--rd-paper)}

/* ---- hero + close: soft green gradient ground (the brand warmth, top & tail) ---------------- */
.rd-section#rd-top{
  background:linear-gradient(168deg,var(--rd-green-tint) 0%,#EFF9F4 38%,var(--rd-white) 78%);
  padding-top:52px;
}
.rd-section--cta{background:linear-gradient(180deg,var(--rd-green-tint) 0%,#EFF9F4 55%,var(--rd-white) 100%)}
.rd-section--cta .rd-closebox{background:var(--rd-white);border:.5px solid var(--rd-green-border)}
/* the eyebrow pill reads better as white-on-tint on the green grounds than paper-on-tint */
.rd-section#rd-top .rd-eyebrow{background:var(--rd-white);border:.5px solid var(--rd-green-border);color:var(--rd-green-tint-text)}

/* ---- type ----------------------------------------------------------------- */
.rd-eyebrow{display:inline-block;font-size:13px;color:var(--rd-muted);background:var(--rd-paper);border-radius:999px;padding:4px 12px;margin:0 0 14px}
.rd-h1{font-family:var(--rd-font-display);font-weight:600;font-size:clamp(40px,5vw,56px);line-height:1.08;letter-spacing:-.01em;margin:0 0 14px;max-width:720px}
.rd-h2{font-family:var(--rd-font-display);font-weight:600;font-size:clamp(26px,3.2vw,32px);line-height:1.2;margin:0 0 10px;max-width:var(--rd-measure)}
.rd-sub{font-size:19px;line-height:1.5;color:var(--rd-muted);max-width:var(--rd-measure);margin:0 0 22px}
.rd-lead{font-size:17px;line-height:1.6;max-width:var(--rd-measure)}

/* ---- buttons -------------------------------------------------------------- */
.rd-btn{font-family:var(--rd-font-body);font-size:16px;font-weight:500;border-radius:var(--rd-radius);padding:11px 20px;cursor:pointer;border:.5px solid var(--rd-line);background:var(--rd-white);color:var(--rd-ink);line-height:1.2}
.rd-btn:hover{background:var(--rd-paper)}
.rd-btn--green{background:var(--rd-green-action);color:#fff;border:none}
.rd-btn--green:hover{background:#0C6A50;color:#fff}

/* ---- sticky top bar ------------------------------------------------------- */
.rd-topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:.5px solid var(--rd-line)}
.rd-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--rd-wrap);margin:0 auto;padding:13px 24px}
.rd-brand{font-family:var(--rd-font-display);font-weight:600;font-size:18px;display:flex;align-items:center;gap:7px;text-decoration:none;color:var(--rd-ink)}
.rd-logo{height:30px;width:auto;display:block}
.rd-footer-brand .rd-logo{height:24px}
.rd-navlinks{display:flex;gap:26px;align-items:center}
.rd-navlinks a{font-size:14.5px;color:var(--rd-muted);text-decoration:none}
.rd-navlinks a:hover{color:var(--rd-ink)}
.rd-nav-right{display:flex;align-items:center;gap:14px}
.rd-btn--sm{padding:8px 15px;font-size:14.5px}

/* ---- hero demo input ------------------------------------------------------ */
.rd-urlrow{display:flex;gap:8px;flex-wrap:wrap;max-width:540px;margin-bottom:8px}
.rd-url-input{flex:1;min-width:200px;font-family:var(--rd-font-body);font-size:15px;border:.5px solid var(--rd-line);border-radius:var(--rd-radius);padding:11px 13px;background:var(--rd-white);color:var(--rd-ink)}
.rd-url-input:focus{outline:none;border-color:var(--rd-green-border);box-shadow:0 0 0 3px var(--rd-green-tint)}
.rd-adcard-hint{font-size:12.5px;color:var(--rd-hint);margin:0 0 8px;display:flex;gap:5px}
.rd-ed{outline:none;border-bottom:1px dashed #cfcdc3;padding:1px 2px}
.rd-ed:focus{border-bottom:1px dashed var(--rd-green-accent);background:var(--rd-green-tint)}
.rd-helper{font-size:13px;color:var(--rd-hint);margin:0 0 18px}

/* hero "how it works" 1→2→3 — the scannable mechanism (the sub carries proof + pricing) */
.rd-flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 14px}
.rd-flow-step{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--rd-ink);font-weight:500}
.rd-flow-n{width:21px;height:21px;border-radius:50%;background:var(--rd-green-tint);color:var(--rd-green-tint-text);display:grid;place-items:center;font-size:12px;font-weight:600;flex:0 0 auto;font-family:var(--rd-font-mono)}
.rd-flow-arrow{color:var(--rd-hint);font-size:15px}
@media(max-width:620px){.rd-flow{flex-direction:column;align-items:flex-start;gap:9px}.rd-flow-arrow{display:none}}
/* URL is required — a gentle red nudge if Try it now is clicked with an empty box */
.rd-url-input.rd-nudge{border-color:var(--rd-red);box-shadow:0 0 0 3px #FCEBEB}
/* post-demo bridge → concierge onboarding (revealed once the demo has run) */
.rd-postdemo{margin:14px 0 0;max-width:540px;border:.5px solid var(--rd-green-border);background:var(--rd-green-tint);border-radius:var(--rd-radius-lg);padding:15px 17px}
.rd-postdemo p{margin:0 0 11px;font-size:14px;color:var(--rd-green-tint-text)}

/* ---- cards / grids -------------------------------------------------------- */
.rd-card{border:.5px solid var(--rd-line);background:var(--rd-white);border-radius:var(--rd-radius-lg);padding:18px 20px}
.rd-pill-g{border:.5px solid var(--rd-green-border);background:var(--rd-green-tint);color:var(--rd-green-tint-text);border-radius:var(--rd-radius);padding:13px 15px}
.rd-grid{display:grid;gap:12px}
.rd-grid--2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.rd-grid--auto{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.rd-grid--cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.rd-stack{display:flex;flex-direction:column;gap:6px}

/* the gap — SHOW it: a mini landing page (one fixed order, top to bottom) vs visitors' chat bubbles
   (each a different question, in a different order; the one the page can't answer glows faint red). */
.rd-page{border:.5px solid var(--rd-line);border-radius:12px;background:var(--rd-white);overflow:hidden}
.rd-page-top{display:flex;gap:5px;padding:9px 12px;background:var(--rd-paper);border-bottom:.5px solid var(--rd-line)}
.rd-page-top i{width:8px;height:8px;border-radius:50%;background:#D9D6CD}
.rd-page-body{padding:10px;display:flex;flex-direction:column;gap:7px}
.rd-blk{background:var(--rd-paper);border-radius:6px;padding:9px 12px;font-size:12.5px;color:var(--rd-muted)}
.rd-blk--hero{padding:15px 12px;font-weight:500;color:var(--rd-ink)}
.rd-bubbles{display:flex;flex-direction:column;gap:12px}
.rd-bubble-row{display:flex;gap:10px;align-items:flex-start}
/* avatar = a tinted circle with a person silhouette painted in currentColor via a CSS mask (one tiny
   inline SVG, no icon dep). Each visitor a different colour → different people asking different things. */
.rd-ava{width:30px;height:30px;border-radius:50%;flex:0 0 auto;margin-top:2px;display:grid;place-items:center;
  background:var(--rd-green-tint);color:var(--rd-green-tint-text);
  --person:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Ccircle%20cx='12'%20cy='8'%20r='4'/%3E%3Cpath%20d='M4%2020c0-4.4%203.6-7%208-7s8%202.6%208%207z'/%3E%3C/svg%3E")}
.rd-ava::before{content:"";width:16px;height:16px;background:currentColor;
  -webkit-mask:var(--person) center/contain no-repeat;mask:var(--person) center/contain no-repeat}
.rd-ava--blue{background:#E6EEF9;color:#2E6FB8}
.rd-ava--amber{background:#FBF0DE;color:#9A6A1A}
.rd-bubble{background:var(--rd-white);border:.5px solid var(--rd-line);border-radius:14px;border-top-left-radius:4px;padding:10px 14px;flex:1;min-width:0}
.rd-bubble .q{font-size:14px;font-weight:500;margin:0}
.rd-bubble .where{font-size:12.5px;color:var(--rd-muted);margin:3px 0 0}
.rd-bubble .gone{font-size:12.5px;color:var(--rd-red);margin:3px 0 0}
.rd-bubble.is-gone{background:#FCEBEB;border-color:#F3D2D2}
.rd-ava.is-gone{background:#FCEBEB;color:var(--rd-red)}
.rd-visitor p{margin:0}
.rd-visitor .q{font-size:14px;font-weight:500;margin-bottom:3px}
.rd-visitor .where{font-size:12.5px;color:var(--rd-muted)}
.rd-visitor .gone{font-size:12.5px;color:var(--rd-red)}
.rd-colcap{font-size:12.5px;color:var(--rd-hint);margin:0 0 10px}
.rd-thesis{font-size:15px;text-align:left;color:var(--rd-ink);margin:18px 0 0;max-width:var(--rd-measure)}

/* ---- voice of customer (ranked questions) --------------------------------- */
.rd-voc-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:2px}
/* rows separated by background rhythm (zebra), not hairlines */
.rd-voc-row{display:flex;align-items:center;gap:14px;padding:12px 12px;border-radius:9px}
.rd-voc-row:nth-child(even){background:var(--rd-paper)}
.rd-voc-q{flex:1;min-width:0}
.rd-voc-q .q{font-size:14px;font-weight:500;margin:0}
.rd-voc-q .m{font-size:12px;color:var(--rd-hint);margin:2px 0 0}
.rd-voc-bar{flex:0 0 110px;max-width:110px;height:7px;border-radius:4px;background:var(--rd-white);overflow:hidden}
.rd-voc-bar span{display:block;height:7px;border-radius:4px;background:var(--rd-red)}
.rd-voc-pct{font-size:13px;font-weight:500;width:36px;text-align:right;font-variant-numeric:tabular-nums;font-family:var(--rd-font-mono)}
.rd-pill-warn{font-size:11px;padding:2px 8px;border-radius:999px;background:#FCEBEB;color:var(--rd-red)}
.rd-pill-ok{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--rd-white);border:.5px solid var(--rd-line);color:var(--rd-muted)}
.rd-voc-note{font-size:12px;color:var(--rd-hint);margin:14px 0 0}
@media(max-width:480px){.rd-voc-bar{display:none}}

/* ---- levers (insight -> action) ------------------------------------------- */
.rd-levers{display:flex;flex-direction:column;gap:2px}
.rd-lever{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:9px}
.rd-lever:nth-child(even){background:var(--rd-paper)}
.rd-lever-find{flex:1;min-width:0;font-size:13.5px;color:var(--rd-ink)}
.rd-lever-find > span{margin-right:9px;vertical-align:1px}
.rd-lever-arrow{flex:0 0 auto;color:var(--rd-green-tint-text);font-weight:600}
.rd-lever-fix{flex:0 0 auto;font-size:13.5px;font-weight:600;color:var(--rd-green-tint-text)}
@media(max-width:560px){.rd-lever{flex-wrap:wrap;gap:5px}.rd-lever-arrow{display:none}}

/* ---- proof ---------------------------------------------------------------- */
.rd-metric{background:var(--rd-paper);border-radius:var(--rd-radius);padding:14px 16px}
.rd-metric.is-extra{background:var(--rd-green-tint)}
.rd-metric .l{font-size:12.5px;color:var(--rd-muted);margin:0 0 6px}
.rd-metric.is-extra .l{color:var(--rd-green-tint-text)}
.rd-metric .v{font-family:var(--rd-font-mono);font-variant-numeric:tabular-nums;font-size:24px;font-weight:500;margin:0;line-height:1;color:var(--rd-ink)}
.rd-metric.is-extra .v,.rd-green-text{color:var(--rd-green-tint-text)}
.rd-sliderrow{display:flex;align-items:center;gap:12px;margin:18px 0 4px;flex-wrap:wrap}
.rd-sliderrow label{font-size:13.5px;color:var(--rd-muted);white-space:nowrap}
.rd-sliderrow input[type=range]{flex:1;min-width:160px;accent-color:var(--rd-green-action)}
.rd-sliderout{font-family:var(--rd-font-mono);font-variant-numeric:tabular-nums;font-size:14px;font-weight:500;min-width:70px;text-align:right}
.rd-bar{display:flex;height:30px;border-radius:var(--rd-radius);overflow:hidden;margin:14px 0 12px;border:.5px solid var(--rd-line)}
.rd-bar .base{background:var(--rd-paper);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--rd-muted)}
.rd-bar .extra{background:var(--rd-green-accent);display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff}
.rd-sig{font-size:13px;color:var(--rd-green-tint-text);margin:14px 0 0}
.rd-pillar p{margin:0}
.rd-pillar .t{font-weight:500;font-size:14.5px;margin-bottom:4px}
.rd-pillar .d{font-size:13px;color:var(--rd-muted)}

/* ---- pricing -------------------------------------------------------------- */
.rd-contrast{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.rd-contrast .a{border:.5px solid var(--rd-line);background:var(--rd-paper);border-radius:var(--rd-radius);padding:13px 15px}
.rd-contrast .h{font-size:12px;color:var(--rd-hint);margin:0 0 5px}
.rd-contrast .b{font-size:13.5px;color:var(--rd-muted);margin:0}
.rd-pill-g .h{font-size:12px;margin:0 0 5px}
.rd-pill-g .b{font-size:13.5px;margin:0}
.rd-closebox{background:var(--rd-paper);border-radius:var(--rd-radius-xl);padding:40px 32px;text-align:left}
.rd-closebox .rd-h2{margin:0 0 10px}
.rd-closebox .rd-sub{margin:0 0 20px}
.rd-ctas{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:flex-start;margin-bottom:22px}
.rd-trust{display:flex;gap:18px;justify-content:flex-start;flex-wrap:wrap;font-size:13px;color:var(--rd-muted)}
.rd-ck{color:var(--rd-green-action);font-weight:500;margin-right:4px}
.rd-hero-copy{min-width:0}

/* ---- footer --------------------------------------------------------------- */
.rd-footer{border-top:.5px solid var(--rd-line);background:var(--rd-white)}
.rd-footer-inner{max-width:var(--rd-wrap);margin:0 auto;padding:28px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.rd-footer-brand{font-family:var(--rd-font-display);font-weight:600;font-size:16px;display:flex;align-items:center;gap:7px;color:var(--rd-ink)}
.rd-footer-meta{font-size:13px;color:var(--rd-hint)}
.rd-footer-links{display:flex;gap:20px;font-size:13px}
.rd-footer-links a{color:var(--rd-muted);text-decoration:none}
.rd-footer-links a:hover{color:var(--rd-ink)}

/* anchor offset so sticky bar doesn't cover headings */
.rd-section{scroll-margin-top:70px}

/* ============================ RESPONSIVE ================================== */
/* tablet: collapse hero to one column, hide nav anchors */
@media (max-width:880px){
  .rd-navlinks{display:none}
  .rd-grid--2{gap:18px}}
/* phone */
@media (max-width:600px){
  .rd-wrap{padding:0 18px}
  .rd-nav{padding:12px 18px}
  .rd-section{padding:44px 0}
  .rd-sub{font-size:17px}
  .rd-contrast{grid-template-columns:1fr}
  .rd-closebox{padding:32px 18px}
  .rd-trust{gap:10px 16px;font-size:12.5px}
  .rd-ctas{flex-direction:column;align-items:stretch}
  .rd-ctas .rd-btn{width:100%;text-align:center}
  .rd-urlrow{flex-direction:column}
  .rd-urlrow .rd-btn{width:100%}
  .rd-footer-inner{flex-direction:column;align-items:flex-start;gap:12px}}

/* ---- pricing scenario cards + expansion teaser (restored) ----------------- */
.rd-illus{font-size:12.5px;color:var(--rd-hint)}
.rd-scenario{border:.5px solid var(--rd-line);background:var(--rd-white);border-radius:var(--rd-radius-lg);padding:16px 18px}
.rd-scenario h4{font-family:var(--rd-font-display);font-weight:600;font-size:15px;margin:0 0 1px}
.rd-scenario .profile{font-size:12px;color:var(--rd-hint);margin:0 0 10px}
.rd-row{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:4px 0}
.rd-row .l{color:var(--rd-muted)}
.rd-row .v{font-weight:500;text-align:right;font-family:var(--rd-font-mono);font-variant-numeric:tabular-nums}
.rd-row.keep{color:var(--rd-green-tint-text);background:var(--rd-green-tint);border-radius:8px;padding:8px 10px;margin-top:6px;font-weight:500}
.rd-row.keep .v{color:var(--rd-green-tint-text)}
.rd-divider{border-top:.5px solid var(--rd-line);margin:8px 0;padding-top:6px;font-size:11.5px;color:var(--rd-hint)}
.rd-cap{font-size:11.5px;color:var(--rd-hint);margin:8px 0 0}
.rd-teaser{font-size:17px;color:var(--rd-ink);max-width:var(--rd-measure);margin:0}

/* ---- contrast on shaded bands: tiles placed directly on a paper section flip to white --- */
.rd-section--paper > .rd-wrap > .rd-grid > .rd-metric{background:var(--rd-white);border:.5px solid var(--rd-line)}
.rd-section--paper .rd-contrast .a{background:var(--rd-white)}