/* ============================================================================
   QAce marketing site — shared design system
   Concept: "the QA report as a website." Warm paper, ink type, a committed red
   used the way QAce uses it in a real report: as a mark of attention and of a
   caught failure. Editorial, document-like, precise. Deliberately not the
   dark-glow dev-tool reflex; the dark product speaks for itself inside.
   Zero dependencies, system fonts only.
   ========================================================================== */

:root{
  /* paper + ink (all neutrals tinted warm toward the brand hue) */
  --paper:    oklch(96.8% 0.008 62);
  --paper-2:  oklch(94.2% 0.012 60);
  --paper-3:  oklch(91.5% 0.014 58);
  --ink:      oklch(23% 0.021 40);
  --ink-2:    oklch(37% 0.020 42);
  --dim:      oklch(50% 0.018 46);
  --faint:    oklch(63% 0.015 54);
  --rule:     oklch(87.5% 0.012 55);
  --rule-2:   oklch(80% 0.015 52);

  /* the red — QAce's identity color; legible ink-red for text on paper */
  --red:      oklch(60% 0.216 27);
  --red-ink:  oklch(53% 0.205 28);
  --red-deep: oklch(44% 0.17 29);
  --red-wash: oklch(94.5% 0.035 33);
  --red-line: oklch(83% 0.09 32);

  /* pass / verdict greens, used sparingly against the red */
  --pass:     oklch(56% 0.13 156);
  --pass-ink: oklch(45% 0.115 156);

  /* the dark "product" register, for bridge sections */
  --night:    oklch(20% 0.02 42);
  --night-2:  oklch(25% 0.021 42);
  --night-3:  oklch(31% 0.02 42);
  --night-ink:oklch(90% 0.01 60);
  --night-dim:oklch(66% 0.014 55);
  --night-rule:oklch(35% 0.02 44);

  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;

  --wrap: 1080px;
  --wrap-wide: 1240px;
  --ease: cubic-bezier(.22,1,.36,1); /* ease-out-quint-ish */
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
::selection{background:var(--red);color:var(--paper)}

/* ---- layout scaffolding --------------------------------------------------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}
.wrap-wide{max-width:var(--wrap-wide);margin:0 auto;padding:0 26px}
.band{padding:104px 0}
.band--tight{padding:72px 0}
.band--rule{border-top:1px solid var(--rule)}
.divider{height:1px;background:var(--rule);border:0;margin:0}

/* ---- type ----------------------------------------------------------------- */
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--red-ink);margin:0 0 22px;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--red-line)}
.kicker.plain::before{display:none}
.sec-no{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--faint)}

h1,h2,h3{font-family:var(--display);font-weight:700;color:var(--ink);margin:0;
  letter-spacing:-.018em;line-height:1.06}
h1{font-size:clamp(2.55rem,5.6vw,4.15rem)}
h2{font-size:clamp(1.85rem,3.5vw,2.7rem);line-height:1.1}
h3{font-size:clamp(1.2rem,1.8vw,1.42rem);letter-spacing:-.01em;line-height:1.22}
.display-sub{font-family:var(--display);font-weight:400;font-style:italic;color:var(--ink-2)}
p{margin:0 0 1.1em;max-width:68ch}
.lead{font-size:1.24rem;line-height:1.55;color:var(--ink-2);max-width:60ch}
.dim{color:var(--dim)}
.faint{color:var(--faint)}
.red{color:var(--red-ink)}
.mono{font-family:var(--mono)}
.measure{max-width:64ch}
strong,b{font-weight:650}

.section-head{max-width:60ch;margin-bottom:52px}
.section-head p{color:var(--dim);font-size:1.12rem;margin-top:.5em}

/* ---- buttons -------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--sans);font-weight:600;font-size:15px;line-height:1;
  padding:13px 20px;border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),background .18s var(--ease),
    border-color .18s var(--ease),color .18s var(--ease);white-space:nowrap;
}
.btn.primary{background:var(--red);color:var(--paper);box-shadow:0 1px 0 var(--red-deep)}
.btn.primary:hover{background:var(--red-ink);transform:translateY(-1px)}
.btn.ghost{color:var(--ink);border-color:var(--rule-2)}
.btn.ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn.link{padding:0;border:0;color:var(--red-ink);gap:7px}
.btn.link:hover{gap:11px}
.btn.lg{padding:16px 26px;font-size:16px}
.btn.sm{padding:9px 14px;font-size:13.5px}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}
.btn.on-night.ghost{color:var(--night-ink);border-color:var(--night-rule)}
.btn.on-night.ghost:hover{border-color:var(--night-ink)}

/* ---- top nav -------------------------------------------------------------- */
.site-nav{position:sticky;top:0;z-index:60;background:color-mix(in oklch,var(--paper) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule)}
.site-nav .row{display:flex;align-items:center;gap:30px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);
  font-weight:700;font-size:21px;letter-spacing:-.02em;color:var(--ink)}
.brand-mark{width:24px;height:24px;display:block}
.brand sup{font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--faint);
  font-weight:600;margin-left:2px;top:-.7em}
.nav-links{display:flex;gap:26px;margin-left:6px}
.nav-links a{font-size:14.5px;color:var(--ink-2);font-weight:500;position:relative;padding:4px 0}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--red-ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--red)}
.nav-spacer{flex:1}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .signin{font-size:14.5px;font-weight:500;color:var(--ink-2)}
.nav-cta .signin:hover{color:var(--ink)}
.nav-toggle{display:none;background:none;border:1px solid var(--rule-2);border-radius:2px;
  width:40px;height:38px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}

/* ---- the ledger (signature proof block) ---------------------------------- */
.ledger{background:var(--paper);border:1px solid var(--rule-2);border-radius:4px;
  font-family:var(--mono);font-size:13px;overflow:hidden;
  box-shadow:0 1px 0 var(--rule),0 22px 50px -30px oklch(30% 0.04 40 / .4)}
.ledger-head{display:flex;align-items:center;gap:8px;padding:12px 16px;
  background:var(--paper-2);border-bottom:1px solid var(--rule-2);color:var(--dim);
  font-size:11.5px;letter-spacing:.08em;text-transform:uppercase}
.ledger-head .dot{width:9px;height:9px;border-radius:50%;background:var(--rule-2)}
.ledger-head .dot.live{background:var(--pass)}
.ledger-head .grow{flex:1}
.ledger-row{display:grid;grid-template-columns:26px 1fr auto auto;gap:14px;align-items:baseline;
  padding:11px 16px;border-top:1px solid var(--rule)}
.ledger-row:first-of-type{border-top:0}
.ledger-row .no{color:var(--faint)}
.ledger-row .step{color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ledger-row .step em{font-style:normal;color:var(--faint)}
.ledger-row .ms{color:var(--faint);font-size:12px;text-align:right}
.ledger-row .verdict{font-weight:600;letter-spacing:.04em;display:inline-flex;gap:6px;align-items:center}
.v-pass{color:var(--pass-ink)}
.v-fail{color:var(--red-ink)}
.v-block{color:var(--faint)}
.ledger-foot{display:flex;gap:18px;padding:12px 16px;border-top:1px solid var(--rule-2);
  background:var(--paper-2);font-size:12px;color:var(--dim)}
.ledger-foot b{color:var(--ink)}
.ledger-foot .fail b{color:var(--red-ink)}

/* ---- hero ----------------------------------------------------------------- */
.hero{padding:88px 0 96px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{margin-bottom:22px}
.hero .lead{margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.03em;
  margin-top:26px;display:flex;flex-wrap:wrap;gap:8px 16px}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note span::before{content:"";width:5px;height:5px;background:var(--red);border-radius:1px}

/* ---- logo / trust strip --------------------------------------------------- */
.strip{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:24px 0}
.strip .row{display:flex;align-items:center;gap:30px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12.5px;color:var(--faint);letter-spacing:.05em}
.strip .lbl{text-transform:uppercase;letter-spacing:.14em;color:var(--dim)}
.strip .sep{flex:1;height:1px;background:var(--rule);min-width:20px}
.strip .items{display:flex;gap:22px;flex-wrap:wrap;color:var(--ink-2)}

/* ---- editorial two-column feature rows ------------------------------------ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:80px 0;border-top:1px solid var(--rule)}
.feature-row.flip .feature-media{order:-1}
.feature-copy h2{margin-bottom:18px}
.feature-copy .lead{margin-bottom:20px;font-size:1.12rem}
.feature-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:0}
.feature-list li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:15px 0;
  border-top:1px solid var(--rule);font-size:15px;color:var(--ink-2)}
.feature-list li .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--red-ink);padding-top:3px;white-space:nowrap}

/* ---- capability ledger table (replaces card grid) ------------------------- */
.cap-table{border-top:1px solid var(--rule-2)}
.cap-row{display:grid;grid-template-columns:56px 1.1fr 2fr;gap:26px;align-items:start;
  padding:26px 4px;border-bottom:1px solid var(--rule)}
.cap-row .cn{font-family:var(--mono);font-size:13px;color:var(--faint);padding-top:4px}
.cap-row h3{font-size:1.14rem}
.cap-row p{color:var(--dim);font-size:15.5px;margin:0}
@media (hover:hover){.cap-row{transition:background .2s var(--ease)}.cap-row:hover{background:var(--paper-2)}}

/* ---- step flow (how it works) --------------------------------------------- */
.flow{counter-reset:step;border-top:1px solid var(--rule-2)}
.flow-step{display:grid;grid-template-columns:120px 1fr;gap:40px;padding:52px 0;
  border-bottom:1px solid var(--rule);align-items:start}
.flow-step .idx{counter-increment:step;font-family:var(--display);font-size:3.4rem;line-height:.8;
  color:var(--red);letter-spacing:-.03em}
.flow-step .idx::before{content:counter(step,decimal-leading-zero)}
.flow-step h3{font-size:1.5rem;margin-bottom:14px}
.flow-step p{color:var(--dim);font-size:1.06rem}
.flow-step .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);display:block;margin-bottom:12px}

/* ---- dark bridge (product register inside the brand site) ----------------- */
.night{background:var(--night);color:var(--night-ink);
  background-image:radial-gradient(1100px 500px at 82% -10%, oklch(35% 0.09 30 / .28), transparent 62%)}
.night h2{color:var(--night-ink)}
.night .kicker{color:oklch(72% 0.16 30)}
.night .kicker::before{background:oklch(50% 0.12 30)}
.night p{color:var(--night-dim)}
.night .divider{background:var(--night-rule)}
.night-panel{background:var(--night-2);border:1px solid var(--night-rule);border-radius:6px;
  padding:8px;box-shadow:0 30px 70px -40px #000}
.night-bar{display:flex;align-items:center;gap:7px;padding:9px 12px;color:var(--night-dim);
  font-family:var(--mono);font-size:12px}
.night-bar .d{width:9px;height:9px;border-radius:50%;background:var(--night-3)}

/* ---- pricing -------------------------------------------------------------- */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--rule-2);border-radius:6px;overflow:hidden}
.plan{display:flex;flex-direction:column;padding:30px 24px;border-left:1px solid var(--rule);background:var(--paper)}
.plan:first-child{border-left:0}
.plan.pop{background:var(--paper);position:relative;box-shadow:inset 0 3px 0 var(--red)}
.plan .pop-tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--red-ink);margin-bottom:14px;height:14px}
.plan .pn{font-family:var(--display);font-size:1.35rem;font-weight:700}
.plan .pp{font-size:2.5rem;font-weight:700;font-family:var(--display);letter-spacing:-.02em;margin:14px 0 2px}
.plan .pp small{font-family:var(--sans);font-size:14px;color:var(--faint);font-weight:500;letter-spacing:0}
.plan .pt{color:var(--dim);font-size:14px;min-height:42px;margin-bottom:20px}
.plan ul{list-style:none;padding:0;margin:0 0 24px;font-family:var(--mono);font-size:12.5px;
  color:var(--ink-2);flex:1;display:grid;gap:11px}
.plan ul li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:baseline}
.plan ul li::before{content:"›";color:var(--red-ink)}
.plan .btn{width:100%}

/* ---- callout / CTA band --------------------------------------------------- */
.cta-band{text-align:center;padding:110px 0}
.cta-band h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:18px}
.cta-band p{margin:0 auto 30px;color:var(--dim);font-size:1.15rem}
.cta-band .hero-cta{justify-content:center}

/* ---- faq / definition list ------------------------------------------------ */
.qa-list{border-top:1px solid var(--rule-2)}
.qa-item{padding:28px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:1fr 1.5fr;gap:40px}
.qa-item h3{font-size:1.16rem}
.qa-item p{margin:0;color:var(--dim);font-size:15.5px}

/* ---- footer --------------------------------------------------------------- */
.site-foot{border-top:1px solid var(--rule);padding:64px 0 40px;background:var(--paper-2)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:var(--dim);font-size:14.5px;max-width:34ch}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);margin:0 0 16px;font-weight:600}
.foot-col a{display:block;color:var(--ink-2);font-size:14.5px;padding:6px 0}
.foot-col a:hover{color:var(--red-ink)}
.foot-base{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:48px;
  padding-top:26px;border-top:1px solid var(--rule);font-size:13px;color:var(--faint)}
.foot-base .grow{flex:1}
.foot-base .byline{display:inline-flex;align-items:center;gap:8px}
.foot-base .byline img{height:16px;opacity:.9}

/* ---- scroll reveal -------------------------------------------------------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---- responsive ----------------------------------------------------------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{max-width:520px}
  .feature-row{grid-template-columns:1fr;gap:34px;padding:56px 0}
  .feature-row.flip .feature-media{order:0}
  .qa-item{grid-template-columns:1fr;gap:12px}
  .plans{grid-template-columns:1fr 1fr}
  .plan{border-left:0;border-top:1px solid var(--rule)}
  .plan:nth-child(odd){border-left:0}
  .plan:nth-child(even){border-left:1px solid var(--rule)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1/-1}
  .flow-step{grid-template-columns:1fr;gap:8px;padding:40px 0}
  .flow-step .idx{font-size:2.6rem}
  .cap-row{grid-template-columns:1fr;gap:8px}
  .cap-row .cn{padding-top:0}
  .band{padding:72px 0}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav-links,.nav-cta .signin{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav.open .nav-links{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    gap:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:8px 26px 18px}
  .site-nav.open .nav-links a{padding:12px 0;border-top:1px solid var(--rule);font-size:16px}
  .ledger-row{grid-template-columns:22px 1fr auto;gap:10px}
  .ledger-row .ms{display:none}
  .plans{grid-template-columns:1fr}
  .plan{border-left:0!important;border-top:1px solid var(--rule)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:80px 0}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.btn .arw{transition:none}
}