/* ============================================================
   FinishTax — Frosted Slate design system  (marketing site)
   Shared by every marketing page: home, blog, funnel, legal.
   Source of truth: docs/approved-mockup-v2.html (owner-approved).

   Contents
   1. Tokens (light-only)
   2. Base & reset
   3. Layout: .wrap / .section / aurora
   4. Type scale: h1–h3, .sub, .lead, .eyebrow, .fine
   5. Buttons
   6. Navbar (glass, sticky) + opaque mobile menu
   7. Glass cards & grid
   8. FAQ (details/summary)
   9. Gradient CTA band
   10. Footer
   11. Demo widget shell (hero forms demo)
   12. Motion & reduced-motion guards
   13. Screenshot frames & stacked lead forms (marketing P5)

   11. Motion & reduced-motion guards
   12. Founder byline & lead capture
   ============================================================ */

/* ---- 1. Tokens ---- */
:root{
  --bg:#e9edf1;
  --ink:#17222b;          /* primary text */
  --ink2:#4c5a66;         /* secondary text */
  --ink3:#7e8c99;         /* faint text */
  --accent:#1f6a48;       /* deep green */
  --accent-hi:#2e7d5b;
  --accent-soft:rgba(46,125,91,.12);
  --glass:rgba(255,255,255,.56);
  --glass-hi:rgba(255,255,255,.74);
  --menu-bg:#f6f8fa;      /* fully opaque — mobile menu / overlays */
  --line:rgba(23,34,43,.10);
  --steel:rgba(76,127,174,.34);   /* aurora wash 1 */
  --sage:rgba(116,156,128,.32);   /* aurora wash 2 */
  --gold:#a8781c;
  --font:-apple-system,"SF Pro Text","Segoe UI",Inter,system-ui,sans-serif;
  --mono:"SF Mono",Menlo,Consolas,monospace;
  --shadow:0 1px 2px rgba(23,34,43,.05),0 18px 44px -18px rgba(23,34,43,.22);
}
/* The marketing site is LIGHT-ONLY (audit #23): the dark token pairs that
   lived here were dead weight — one was neutered behind max-width:0px and
   nothing on the marketing surface ever sets data-theme="dark". */
:root[data-theme="light"]{
  --bg:#e9edf1; --ink:#17222b; --ink2:#4c5a66; --ink3:#7e8c99;
  --accent:#1f6a48; --accent-hi:#2e7d5b; --accent-soft:rgba(46,125,91,.12);
  --glass:rgba(255,255,255,.56); --glass-hi:rgba(255,255,255,.74); --menu-bg:#f6f8fa;
  --line:rgba(23,34,43,.10); --steel:rgba(76,127,174,.34); --sage:rgba(116,156,128,.32);
  --gold:#a8781c; --shadow:0 1px 2px rgba(23,34,43,.05),0 18px 44px -18px rgba(23,34,43,.22);
}

/* ---- 2. Base & reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink);
  font:16px/1.6 var(--font);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent-soft)}
:where(a,button,input,textarea,select,summary,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:10000;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;font-weight:600}
.skip-link:focus{left:0}

/* ---- 3. Layout ---- */
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:76px 0 0}
.center{text-align:center}

/* Aurora — drifting radial steel/sage/green washes behind everything */
.aurora{
  position:fixed;inset:-20%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(46% 38% at 16% 8%,var(--steel),transparent 65%),
    radial-gradient(42% 36% at 84% 4%,var(--sage),transparent 60%),
    radial-gradient(50% 44% at 50% 105%,var(--accent-soft),transparent 62%);
  animation:drift 26s ease-in-out infinite alternate;
}
@keyframes drift{to{transform:translate3d(2.5%,1.8%,0) scale(1.05)}}

/* ---- 4. Type ---- */
h1{font-size:clamp(36px,5.4vw,60px);line-height:1.04;letter-spacing:-.032em;font-weight:800;text-wrap:balance}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--accent),var(--accent-hi));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:clamp(25px,3.4vw,36px);line-height:1.12;letter-spacing:-.022em;font-weight:780;margin:0 0 10px;text-wrap:balance}
h3{letter-spacing:-.01em}
.sub{color:var(--ink2);max-width:58ch;font-size:17.5px}
.lead{color:var(--ink2);max-width:60ch;margin:0 auto 34px}
.center .lead{margin-left:auto;margin-right:auto}
.fine{font-size:12.5px;color:var(--ink3)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font:600 11px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);
  padding:8px 14px;border-radius:999px;
}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---- 5. Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;padding:10px 16px;min-height:40px;
  font-family:var(--font);font-size:13.5px;font-weight:650;line-height:1.2;
  text-decoration:none;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn.pri{background:linear-gradient(135deg,var(--accent),var(--accent-hi));color:#fff;box-shadow:0 8px 22px -8px var(--accent)}
.btn.ghost{color:var(--ink);border-color:var(--line);background:var(--glass-hi);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.btn.ghost:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.btn.big{padding:14px 26px;font-size:15px;border-radius:12px;min-height:48px}

/* ---- 6. Navbar + opaque mobile menu ---- */
.site-nav{position:sticky;top:12px;z-index:100;margin:16px auto 0;max-width:1100px;padding:0 16px}
.navbar{
  display:flex;align-items:center;gap:22px;
  background:var(--glass);border:1px solid var(--line);border-radius:14px;
  padding:11px 18px;
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  box-shadow:var(--shadow);
}
.logo{display:inline-flex;align-items:baseline;font-weight:750;letter-spacing:-.02em;font-size:17px;color:var(--ink)}
.logo .tld{color:var(--accent)}
.navlinks{display:flex;gap:18px;margin-left:auto;font-size:13.5px;color:var(--ink2)}
.navlinks a{padding:6px 2px;transition:color .15s}
.navlinks a:hover{color:var(--ink)}
.nav-toggle{
  display:none;margin-left:auto;width:40px;height:40px;flex:none;
  place-items:center;background:none;border:1px solid var(--line);border-radius:10px;
  color:var(--ink);cursor:pointer;
}
.nav-toggle svg{width:19px;height:19px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round}
.nav-toggle .icon-close{display:none}
.nav-toggle.open .icon-menu{display:none}
.nav-toggle.open .icon-close{display:block}
/* Mobile menu: fully OPAQUE panel (solid --menu-bg + blur polish), never see-through */
.nav-menu{
  display:none;position:absolute;top:calc(100% + 8px);left:16px;right:16px;
  flex-direction:column;gap:2px;padding:10px;
  background:var(--menu-bg);border:1px solid var(--line);border-radius:14px;
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  box-shadow:var(--shadow);
}
.nav-menu.open{display:flex}
.nav-menu a{padding:13px 12px;border-radius:9px;font-size:14.5px;font-weight:550;color:var(--ink)}
.nav-menu a:hover{background:var(--accent-soft);color:var(--accent)}
.nav-menu .menu-cta{margin-top:8px;text-align:center;background:linear-gradient(135deg,var(--accent),var(--accent-hi));color:#fff;font-weight:650}
@media (max-width:900px){
  .navlinks{display:none}
  .navbar .btn.ghost{display:none}
  .navbar{gap:12px}
  .navbar .btn.pri{margin-left:auto}
  .nav-toggle{display:grid;margin-left:0}
}

/* ---- 7. Glass cards & grid ---- */
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:14px;
  padding:22px;box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  transition:transform .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}
.card .ic{width:34px;height:34px;border-radius:9px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:13px}
.card .ic svg{width:17px;height:17px;stroke:var(--accent);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin:0 0 7px;font-size:15.5px}
.card p{margin:0;font-size:13.5px;color:var(--ink2)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:860px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.grid{grid-template-columns:1fr}}

/* ---- 8. FAQ ---- */
.faq{max-width:720px;margin:0 auto;display:grid;gap:10px}
.faq details{
  background:var(--glass);border:1px solid var(--line);border-radius:12px;
  padding:15px 18px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.faq summary{font-weight:640;font-size:14.5px;cursor:pointer;list-style:none;padding:2px 0;display:flex;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;color:var(--accent);font-weight:700;font-size:16px;line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq p{margin:10px 0 2px;font-size:13.5px;color:var(--ink2)}

/* ---- 9. Gradient CTA band ---- */
.band{
  margin-top:84px;background:linear-gradient(120deg,var(--accent),var(--accent-hi));
  border-radius:20px;padding:56px 32px;text-align:center;color:#fff;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.band::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 80% 0%,rgba(255,255,255,.16),transparent 60%)}
.band h2{color:#fff;position:relative}
.band .sub2{color:rgba(255,255,255,.85);max-width:48ch;margin:0 auto 24px;font-size:15px;position:relative}
.band .btn{background:#fff;color:var(--accent);position:relative}
.band .fine{color:rgba(255,255,255,.7);margin-top:14px;position:relative}

/* ---- 10. Footer ---- */
.footer{margin-top:84px;border-top:1px solid var(--line);padding:44px 0 36px;font-size:13.5px;color:var(--ink2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-brand p{color:var(--ink3);font-size:13px;margin-top:10px;max-width:34ch}
.footer h4,.footer .foot-h{font:600 10.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink3);margin:0 0 12px}
.footer-col a{display:block;color:var(--ink2);padding:5px 0;transition:color .15s}
.footer-col a:hover{color:var(--accent)}
.footer .inline{color:var(--accent);font-weight:600}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--ink3);font-size:12.5px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr;gap:24px}}

/* ---- 11. Demo widget shell (hero forms demo; geometry/colors stay page-side) ---- */
.demo{margin:38px auto 0;max-width:960px;background:var(--glass);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);padding:14px;text-align:left;position:relative}
.demo [hidden]{display:none!important}
.demo-in{background:var(--glass-hi);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid;grid-template-columns:190px 1fr}
.demo-rail{border-right:1px solid var(--line);padding:14px 12px;display:flex;flex-direction:column;gap:8px;min-width:0}
.demo-rail-h{margin:0 0 2px;font:600 9.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink3)}
.demo-chip{display:block;text-align:left;background:var(--glass);border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-family:inherit;font-size:11px;color:var(--ink2);cursor:pointer;transition:border-color .15s,background .15s}
.demo-chip b{display:block;color:var(--ink);font-size:11.5px;margin-bottom:2px;font-weight:650}
.demo-chip:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.demo-chip[aria-pressed="true"]{border-color:color-mix(in srgb,var(--accent) 45%,transparent);background:var(--accent-soft)}
.demo-stage{position:relative;padding:22px;display:flex;align-items:center;justify-content:center;min-width:0}
.demo-bar{grid-column:1/-1;border-top:1px solid var(--line);padding:12px 14px;display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap}
.demo-notice{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;gap:8px;background:var(--menu-bg);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:999px;padding:8px 14px;font-size:12.5px;font-weight:650;color:var(--ink);box-shadow:var(--shadow)}
.demo-notice svg{width:16px;height:16px;flex:none;stroke:#fff;fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;background:var(--accent);border-radius:50%;padding:3px;box-sizing:border-box}
.demo-count{position:absolute;top:14px;right:14px;font:650 12px/1 var(--mono);letter-spacing:-.01em;background:var(--menu-bg);border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--ink2)}
.demo-count b{color:var(--accent);font-size:13px}
.demo-note{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);max-width:92%;background:var(--menu-bg);border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);border-radius:10px;padding:8px 13px;font-size:12px;color:var(--ink2);box-shadow:var(--shadow);text-align:center}

/* ---- 12. Motion ---- */
.float{animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-6px)}}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .aurora,.float,.eyebrow .pulse{animation:none!important}
  .btn,.card{transition:none}
  .btn:hover,.card:hover{transform:none}
}

/* ---- 13. Screenshot frames & stacked lead forms (marketing P5) ----
   Shared primitives for real-product proof: .shotframe wraps an app
   screenshot in the glass treatment (home #forms; reusable anywhere), and
   .leadform is the stacked multi-field capture form (home #founding-firms)
   that js/site.js's shared lead handler posts for. Names are deliberately
   distinct from the page-scoped .lead-form/.lead-hp used on the P7
   blog/compare/checklist footers and from /tour/'s .fld — nothing leaks. */
.shotframe{margin:0;background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px)}
.shotframe img{width:100%;height:auto;border:1px solid var(--line);border-radius:8px}
.shotframe figcaption{font-size:12px;color:var(--ink3);padding:9px 4px 2px;text-align:center}
.leadform{display:flex;flex-direction:column;gap:8px;text-align:left}
.leadform .lf-label{font:600 10.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);margin-top:4px}
.leadform .lf-label span{text-transform:none;letter-spacing:0;font:500 11px/1.2 var(--font)}
.leadform .lf-in{width:100%;min-height:42px;padding:10px 13px;font:14px/1.3 var(--font);color:var(--ink);background:var(--glass-hi);border:1px solid var(--line);border-radius:10px}
.leadform .lf-in::placeholder{color:var(--ink3)}
.leadform select.lf-in{cursor:pointer}
.leadform .btn{margin-top:8px}
/* Honeypot: off-screen, never focusable; bots fill it, the server drops it. */
.leadform .lf-hp{position:absolute!important;left:-9999px!important;top:auto;width:1px;height:1px;opacity:0;pointer-events:none}
.leadform .lead-msg{font-size:13px;font-weight:600;color:var(--ink2);margin:2px 0 0;min-height:1em}
/* Success state (js/site.js adds .lead-done): the fields melt away, the
   confirmation stays. */
.leadform.lead-done .lf-in,.leadform.lead-done .lf-label,.leadform.lead-done .btn{display:none}
.leadform.lead-done .lead-msg{color:var(--accent)}

/* ---- 14. Founder byline & lead capture (marketing P6) ---- */
/* Byline chip under blog-post titles — anonymous-insider: no name, links /about/ */
.byline{display:flex;justify-content:center;align-items:center;gap:8px 12px;flex-wrap:wrap;margin-top:18px}
.byline-chip{
  display:inline-flex;align-items:center;gap:7px;
  font:600 10.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);
  padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.byline-chip svg{width:12px;height:12px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:none}
.byline-note{font-size:13px;color:var(--ink3)}
.byline-note a{color:var(--accent);font-weight:600}
.byline-note a:hover{text-decoration:underline}

/* Capture card (blog posts + blog index) */
.capture{
  max-width:640px;margin:44px auto 0;text-align:center;
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  padding:30px 28px;box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
}
.capture h2{font-size:20px;margin:0 0 8px}
.capture>p{font-size:13.5px;color:var(--ink2);max-width:46ch;margin:0 auto}
.capture .fine{margin-top:12px}
.capture-form{display:flex;gap:10px;max-width:440px;margin:18px auto 0}
/* display:flex would beat the UA [hidden] rule — restate it so the success
   swap (form.hidden = true) actually hides the form. */
.capture-form[hidden]{display:none}
.capture-form input[type=email]{
  flex:1;min-width:0;min-height:40px;padding:10px 14px;
  font:14px/1.2 var(--font);color:var(--ink);
  background:var(--glass-hi);border:1px solid var(--line);border-radius:10px;
}
.capture-form input[type=email]::placeholder{color:var(--ink3)}
.capture-form input[type=email]:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
@media (max-width:520px){.capture-form{flex-direction:column}.capture-form .btn{width:100%}}
/* Honeypot: off-screen, never focusable, ignored by humans; bots fill it and
   the server drops the submission. */
.capture-hp{position:absolute!important;left:-9999px!important;top:auto;width:1px;height:1px;opacity:0;pointer-events:none}
.capture-status{font-size:13px;font-weight:600;margin:12px auto 0}
.capture-status.ok{color:var(--accent)}
.capture-status.err{color:#c25454;font-weight:500}
.capture-status.err a{color:var(--accent);font-weight:600;text-decoration:underline}
/* Compact footer variant (home footer brand column) */
.capture-foot{margin-top:22px;max-width:340px}
.capture-foot .foot-h{margin-bottom:10px}
.capture-foot .capture-form{margin:0;gap:8px}
.capture-foot .capture-form .btn{padding:10px 14px}
.capture-foot .capture-status{margin:10px 0 0;max-width:none}