/* =============================================================================
   ADA Web-Accessibility Defense Kit — sales page
   Premium, conversion-first. Deep ink, single cobalt accent (matched to the
   tool's own #5b8cff), real type scale, generous whitespace, soft depth,
   CSS-only micro-interactions. Mobile-first. No fake reviews/scarcity/stats.
   ========================================================================== */
:root {
  --ink:        #090b14;
  --ink-2:      #0f131f;
  --ink-3:      #181d2e;
  --paper:      #ffffff;
  --paper-2:    #f5f7fb;
  --paper-3:    #eef2f8;
  --line:       #e2e8f1;
  --line-2:     #cfd8e6;
  --text:       #161c29;
  --text-soft:  #4d586e;
  --text-faint: #828ca3;
  --text-inv:   #e9eef6;
  --text-inv-soft:#9aa8c0;
  --accent:     #4f7cf0;
  --accent-2:   #6f97ff;
  --accent-ink: #2f57c2;
  --accent-bg:  #eaf0ff;
  --gold:       #c79a3a;
  --danger:     #c0392b;

  --maxw: 1120px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(9,11,20,.05), 0 2px 6px rgba(9,11,20,.05);
  --shadow:    0 8px 28px rgba(9,11,20,.10), 0 2px 8px rgba(9,11,20,.06);
  --shadow-lg: 0 30px 70px rgba(9,11,20,.24);
  --shadow-accent: 0 14px 36px rgba(79,124,240,.32);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --t-xs:  .78rem;
  --t-sm:  .9rem;
  --t-base:1.05rem;
  --t-md:  1.3rem;
  --t-lg:  1.65rem;
  --t-xl:  2.1rem;
  --t-2xl: 2.75rem;
  --t-3xl: 3.6rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.62;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,h2,h3,h4 { line-height: 1.1; letter-spacing: -0.022em; margin: 0 0 .5em; font-weight: 750; }
p { margin: 0 0 1.1em; }
a { color: var(--accent-ink); text-decoration: none; }
img { max-width: 100%; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: var(--t-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-ink); margin-bottom: 18px;
}
.eyebrow::before { content:""; width: 26px; height: 1.5px; background: var(--accent); }
.eyebrow.on-dark { color: var(--accent-2); }
.eyebrow.on-dark::before { background: var(--accent-2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--accent); color: #fff; border: 1px solid transparent;
  padding: 16px 30px; border-radius: 12px; font-weight: 700; font-size: var(--t-base);
  letter-spacing: -.01em; cursor: pointer; box-shadow: var(--shadow-accent);
  transition: transform .12s cubic-bezier(.2,.8,.2,1), box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 20px 44px rgba(79,124,240,.42); background: var(--accent-2); }
.btn:active { transform: translateY(0); }
.btn .sub { font-weight: 500; font-size: var(--t-xs); opacity: .85; }
.btn.lg { padding: 19px 38px; font-size: var(--t-md); border-radius: 14px; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line-2); box-shadow: none; }
.btn.ghost:hover { background: var(--paper-2); border-color: var(--accent); color: var(--accent-ink); }
.btn.on-dark.ghost { color: var(--text-inv); border-color: rgba(255,255,255,.22); }
.btn.on-dark.ghost:hover { background: rgba(255,255,255,.06); }
.cta-note { font-size: var(--t-sm); color: var(--text-faint); margin-top: 14px; }
.cta-note.on-dark { color: var(--text-inv-soft); }

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 40; background: rgba(9,11,20,.82);
  backdrop-filter: saturate(150%) blur(14px); -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.site-head .wrap { display: flex; align-items: center; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text-inv); font-weight: 750; letter-spacing: -.01em; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 14px;
  box-shadow: 0 4px 14px rgba(79,124,240,.45);
}
.brand .bsub { display:block; font-size: 11px; font-weight: 500; color: var(--text-inv-soft); letter-spacing: 0; }
.site-head nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.site-head nav a { color: var(--text-inv-soft); font-size: var(--t-sm); font-weight: 600; transition: color .15s; }
.site-head nav a:hover { color: var(--text-inv); }
.site-head .btn { padding: 11px 20px; font-size: var(--t-sm); }
@media (max-width: 820px){ .site-head nav a.navlink { display: none; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--text-inv);
  background:
    radial-gradient(1200px 520px at 78% -8%, rgba(111,151,255,.20), transparent 60%),
    radial-gradient(900px 480px at 8% 12%, rgba(79,124,240,.14), transparent 55%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}
.hero::after {
  content:""; position: absolute; inset: 0; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.hero .wrap { position: relative; padding: 92px 24px 88px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
@media (max-width: 940px){ .hero-grid { grid-template-columns: 1fr; gap: 44px; } .hero .wrap { padding: 64px 24px 60px; } }

.hero h1 { font-size: var(--t-3xl); letter-spacing: -.035em; margin-bottom: .35em; }
.hero h1 .hl { color: var(--accent-2); }
@media (max-width: 940px){ .hero h1 { font-size: var(--t-2xl); } }
.hero .lede { font-size: var(--t-md); color: var(--text-inv-soft); max-width: 38ch; margin-bottom: 30px; font-weight: 450; }
.hero .lede strong { color: var(--text-inv); font-weight: 650; }
.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.free-nudge { margin: 18px 0 0; font-size: var(--t-sm); color: var(--text-inv-soft); max-width: 54ch; }
.free-nudge a { color: var(--accent-2); font-weight: 650; }
.free-nudge a:hover { text-decoration: underline; }
.trust-row { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 34px; }
.trust-row .t { display: flex; align-items: center; gap: 9px; font-size: var(--t-sm); color: var(--text-inv-soft); }
.trust-row .t svg { flex: 0 0 auto; color: var(--accent-2); }

/* Hero card mock */
.hero-card {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow-lg); backdrop-filter: blur(6px);
}
.hero-card .hc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.hero-card .dot { width: 10px; height: 10px; border-radius: 50%; }
.hero-card .dot.r{background:#ff5f57}.hero-card .dot.y{background:#febc2e}.hero-card .dot.g{background:#28c840}
.hero-card .hc-title { margin-left: 8px; font-size: var(--t-xs); color: var(--text-inv-soft); font-family: var(--mono); }
.hc-row { display:flex; align-items:center; gap:12px; padding: 11px 13px; border-radius: 10px; background: rgba(255,255,255,.04); margin-bottom: 9px; border: 1px solid rgba(255,255,255,.06); }
.hc-row .sev { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing:.04em; padding: 3px 8px; border-radius: 6px; flex:0 0 auto; }
.hc-row .sev.crit{ background: rgba(192,57,43,.2); color:#ff8a7e; }
.hc-row .sev.ser{ background: rgba(199,154,58,.22); color:#f0cd7e; }
.hc-row .sev.fix{ background: rgba(79,124,240,.2); color: var(--accent-2); }
.hc-row .lbl { font-size: var(--t-sm); color: var(--text-inv); }
.hc-row .crit-ref { margin-left:auto; font-size: 11px; color: var(--text-inv-soft); font-family: var(--mono); }
.hc-fix { font-family: var(--mono); font-size: 11.5px; color: #cdd9ff; background: rgba(8,12,28,.5); border-radius: 9px; padding: 11px 13px; border: 1px solid rgba(79,124,240,.2); white-space: pre-wrap; line-height: 1.5; }

/* ---------- Sections ---------- */
section { padding: 92px 0; }
section.tight { padding: 70px 0; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: var(--t-2xl); }
@media (max-width: 700px){ .section-head h2 { font-size: var(--t-xl); } section { padding: 64px 0; } }
.section-head p { font-size: var(--t-md); color: var(--text-soft); }
.lead-dark { background: var(--paper-2); }
.lead-ink { background: var(--ink); color: var(--text-inv); }
.lead-ink h2 { color: #fff; }
.lead-ink .section-head p { color: var(--text-inv-soft); }

/* Problem cards */
.prob-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
@media (max-width: 860px){ .prob-grid { grid-template-columns: 1fr; } }
.prob {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); transition: transform .15s, box-shadow .2s, border-color .2s;
}
.prob:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-2); }
.prob .ic { width: 44px; height: 44px; border-radius: 11px; background: var(--accent-bg); color: var(--accent-ink); display: grid; place-items: center; margin-bottom: 16px; }
.prob h3 { font-size: var(--t-md); }
.prob p { color: var(--text-soft); font-size: var(--t-sm); margin: 0; }

/* The "gap" comparison */
.gap-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; margin-top: 10px; }
@media (max-width: 860px){ .gap-grid { grid-template-columns: 1fr; } }
.gap-col { border-radius: var(--radius); padding: 26px; border: 1px solid rgba(255,255,255,.1); }
.gap-col h3 { font-size: var(--t-md); color: #fff; }
.gap-col .price { font-family: var(--mono); font-size: var(--t-sm); color: var(--text-inv-soft); margin-bottom: 14px; }
.gap-col ul { margin: 0; padding-left: 0; list-style: none; }
.gap-col li { font-size: var(--t-sm); color: var(--text-inv-soft); padding: 6px 0 6px 26px; position: relative; }
.gap-col li::before { content:"–"; position:absolute; left: 6px; color: var(--text-faint); }
.gap-col.mid { background: linear-gradient(180deg, rgba(111,151,255,.16), rgba(79,124,240,.06)); border-color: rgba(111,151,255,.42); box-shadow: 0 0 0 1px rgba(111,151,255,.25), var(--shadow-lg); }
.gap-col.mid li::before { content:"✓"; color: var(--accent-2); font-weight: 800; }
.gap-col.mid li { color: var(--text-inv); }
.gap-col .tag { display:inline-block; font-size: var(--t-xs); font-weight: 700; text-transform: uppercase; letter-spacing:.08em; color: var(--accent-2); margin-bottom: 8px; }

/* Mechanism steps */
.mech { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; counter-reset: step; }
@media (max-width: 900px){ .mech { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px){ .mech { grid-template-columns: 1fr; } }
.mech .step { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; position: relative; box-shadow: var(--shadow-sm); }
.mech .step .num { font-family: var(--mono); font-size: var(--t-sm); color: var(--accent); font-weight: 700; margin-bottom: 12px; display: block; }
.mech .step h3 { font-size: var(--t-base); }
.mech .step p { font-size: var(--t-sm); color: var(--text-soft); margin: 0; }

/* What's inside */
.inside-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; align-items: start; }
@media (max-width: 900px){ .inside-grid { grid-template-columns: 1fr; } }
.feature { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.feature:last-child { border-bottom: none; }
.feature .ic { width: 40px; height: 40px; flex: 0 0 auto; border-radius: 10px; background: var(--ink); color: var(--accent-2); display: grid; place-items: center; }
.feature h3 { font-size: var(--t-base); margin-bottom: 3px; }
.feature p { font-size: var(--t-sm); color: var(--text-soft); margin: 0; }
.inside-aside { background: var(--ink); color: var(--text-inv); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-lg); position: sticky; top: 92px; }
.inside-aside h3 { color: #fff; font-size: var(--t-md); }
.inside-aside .stack { list-style: none; margin: 18px 0 0; padding: 0; }
.inside-aside .stack li { display: flex; justify-content: space-between; gap: 14px; padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: var(--t-sm); color: var(--text-inv-soft); }
.inside-aside .stack li:last-child { border-bottom: none; }
.inside-aside .stack li b { color: #fff; font-weight: 600; }
.inside-aside .stack .val { color: var(--accent-2); font-family: var(--mono); white-space: nowrap; }
.inside-aside .total { display: flex; justify-content: space-between; margin-top: 16px; padding-top: 16px; border-top: 1.5px solid rgba(255,255,255,.16); font-size: var(--t-base); }
.inside-aside .total b { color:#fff; }

/* Sample showcase */
.sample { background: var(--paper-2); }
.sample-card { max-width: 880px; margin: 0 auto; background: var(--ink); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid rgba(255,255,255,.1); }
.sample-card .bar { display: flex; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sample-card .bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.sample-card .bar .dot.r{background:#ff5f57}.sample-card .bar .dot.y{background:#febc2e}.sample-card .bar .dot.g{background:#28c840}
.sample-card .bar .fname { margin-left: 8px; font-family: var(--mono); font-size: var(--t-xs); color: var(--text-inv-soft); }
.sample-body { padding: 28px 30px; font-size: var(--t-sm); color: var(--text-inv-soft); line-height: 1.7; }
.sample-body h4 { color:#fff; font-size: var(--t-base); margin: 0 0 6px; }
.sample-body .sample-table { width:100%; border-collapse: collapse; margin: 14px 0 6px; font-size: var(--t-xs); }
.sample-body .sample-table th, .sample-body .sample-table td { text-align:left; padding: 8px 10px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sample-body .sample-table th { color: var(--text-inv); font-weight: 650; }
.sample-body .sample-table td { color: var(--text-inv-soft); font-family: var(--mono); font-size: 11.5px; }
.sample-body .pill { display:inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border-radius: 5px; }
.sample-body .pill.done{ background: rgba(40,200,64,.16); color:#7fe39a; }
.sample-body .pill.prog{ background: rgba(199,154,58,.18); color:#f0cd7e; }
.sample-body .pill.plan{ background: rgba(111,151,255,.16); color: var(--accent-2); }
.sample-note { text-align:center; max-width: 620px; margin: 22px auto 0; font-size: var(--t-sm); color: var(--text-soft); }

/* Pricing */
.pricing { background: var(--ink); color: var(--text-inv); }
.price-card {
  max-width: 600px; margin: 0 auto; background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); padding: 44px;
  box-shadow: var(--shadow-lg); text-align: center; position: relative; overflow: hidden;
}
.price-card::before { content:""; position:absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--gold)); }
.price-card .founder { display:inline-block; font-size: var(--t-xs); font-weight: 700; letter-spacing:.08em; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(199,154,58,.4); background: rgba(199,154,58,.1); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px; }
.price-card h3 { font-size: var(--t-lg); color:#fff; }
.price-amount { display: flex; align-items: baseline; justify-content: center; gap: 14px; margin: 18px 0 6px; }
.price-amount .now { font-size: var(--t-3xl); font-weight: 800; color: #fff; letter-spacing: -.04em; }
.price-amount .was { font-size: var(--t-lg); color: var(--text-faint); text-decoration: line-through; }
.price-card .vat { font-size: var(--t-sm); color: var(--text-inv-soft); margin-bottom: 26px; }
.price-card .btn { width: 100%; }
.price-includes { text-align: left; margin: 28px auto 0; max-width: 440px; }
.price-includes li { list-style: none; padding: 8px 0 8px 30px; position: relative; font-size: var(--t-sm); color: var(--text-inv-soft); }
.price-includes li::before { content:"✓"; position: absolute; left: 0; color: var(--accent-2); font-weight: 800; }
.price-includes li b { color: #fff; font-weight: 600; }
.urgency-note { font-size: var(--t-sm); color: var(--gold); margin-top: 18px; }

/* Guarantee */
.guarantee { background: var(--paper-2); }
.guarantee-card {
  max-width: 820px; margin: 0 auto; display: flex; gap: 30px; align-items: center;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow);
}
@media (max-width: 680px){ .guarantee-card { flex-direction: column; text-align: center; padding: 30px; } }
.guarantee-seal {
  flex: 0 0 auto; width: 116px; height: 116px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--accent-2), var(--accent-ink));
  display: grid; place-items: center; color: #fff; text-align: center; box-shadow: var(--shadow-accent);
}
.guarantee-seal .d { font-size: var(--t-2xl); font-weight: 800; line-height: 1; }
.guarantee-seal .u { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.guarantee-card h3 { font-size: var(--t-lg); }
.guarantee-card p { color: var(--text-soft); margin: 0; }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; background: var(--paper); transition: border-color .2s, box-shadow .2s; overflow: hidden; }
.faq details[open] { border-color: var(--line-2); box-shadow: var(--shadow-sm); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 26px; font-weight: 650; font-size: var(--t-base); display: flex; align-items: center; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev { margin-left: auto; flex: 0 0 auto; transition: transform .2s; color: var(--accent); }
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq .ans { padding: 0 26px 24px; color: var(--text-soft); font-size: var(--t-sm); }
.faq .ans p:last-child { margin-bottom: 0; }

/* Final CTA */
.final { text-align: center; background:
  radial-gradient(900px 400px at 50% 0%, rgba(111,151,255,.18), transparent 60%),
  linear-gradient(180deg, var(--ink-2), var(--ink)); color: var(--text-inv); }
.final h2 { font-size: var(--t-2xl); color: #fff; max-width: 18ch; margin: 0 auto .4em; }
.final p { font-size: var(--t-md); color: var(--text-inv-soft); max-width: 50ch; margin: 0 auto 32px; }

/* Footer */
.site-foot { background: var(--ink); color: var(--text-inv-soft); padding: 56px 0 40px; border-top: 1px solid rgba(255,255,255,.07); }
.site-foot .cols { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; margin-bottom: 30px; }
.site-foot .disc { font-size: var(--t-xs); line-height: 1.7; max-width: 72ch; margin-bottom: 16px; }
.site-foot .disc strong { color: var(--text-inv); }
.site-foot a { color: var(--accent-2); }
.site-foot .legal-row { font-size: var(--t-xs); border-top: 1px solid rgba(255,255,255,.07); padding-top: 22px; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.badge-soft { display:inline-flex; align-items:center; gap:8px; font-size: var(--t-xs); color: var(--text-inv-soft); border:1px solid rgba(255,255,255,.12); padding: 6px 12px; border-radius: 999px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}