/* ============================================================
   QA Partners — stylesheet
   Breakpoints used throughout: 1400 (large desktop), 900 (tablet),
   760/700 (nav / small tablet), 620/600 (mobile phones)
   ============================================================ */

:root{
  --navy:#0E1620; --surface:#16202B; --surface-2:#1C2833; --line:#2A3742;
  --ink:#EDF1F4; --ink-dim:#9FAEBA; --teal:#2DD4BF; --teal-dim:#1B8B7F; --amber:#F2B84B;
  --radius:10px; --mono:'IBM Plex Mono',monospace; --sans:'Manrope',sans-serif;
}

@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --navy:#F5F7F8; --surface:#FFFFFF; --surface-2:#EEF2F4; --line:#DCE3E8;
    --ink:#101820; --ink-dim:#516170; --teal:#0B7A6E; --teal-dim:#075E54; --amber:#93600F;
  }
}
:root[data-theme="light"]{
  --navy:#F5F7F8; --surface:#FFFFFF; --surface-2:#EEF2F4; --line:#DCE3E8;
  --ink:#101820; --ink-dim:#516170; --teal:#0B7A6E; --teal-dim:#075E54; --amber:#93600F;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  background:var(--navy);color:var(--ink);font-family:var(--sans);line-height:1.55;
  -webkit-font-smoothing:antialiased;
  padding-top:env(safe-area-inset-top,0); padding-bottom:env(safe-area-inset-bottom,0);
}
img,svg{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit}
h1,h2,h3{font-weight:800;letter-spacing:-0.01em}
h2{font-size:clamp(24px,3.2vw,32px)}
h3{font-size:18px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:12px;top:-60px;background:var(--teal);color:#06201C;
  padding:10px 16px;border-radius:6px;font-weight:600;z-index:100;transition:top .15s ease;
}
.skip-link:focus{top:12px}

.section{padding:88px 0}
.section-tight{padding:56px 0}
.eyebrow{font-family:var(--mono);font-size:13px;color:var(--teal);margin-bottom:14px}
.lede{color:var(--ink-dim);font-size:18px;max-width:560px}
.lede-wide{max-width:640px}
.lede-tight{margin-bottom:8px}
.lede-center{max-width:560px;margin:0 auto 26px}
.micro-line{font-family:var(--mono);font-size:13px;color:var(--ink-dim);margin-top:22px}

.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:8px;
  font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;
  cursor:pointer;font-family:var(--sans);
}
.btn-primary{background:var(--teal);color:#06201C}
.btn-primary:hover{background:var(--teal-dim);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--teal)}

/* -------------------- Header / navigation -------------------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(14,22,32,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0);
}
@media (prefers-color-scheme:light){
  header{background:rgba(245,247,248,.85)}
}
:root[data-theme="light"] header{background:rgba(245,247,248,.85)}

.nav{display:flex;align-items:center;justify-content:space-between;height:72px;position:relative}
.logo{font-family:var(--mono);font-weight:600;font-size:17px;display:flex;align-items:center;gap:8px}
.logo .dot{width:8px;height:8px;border-radius:2px;background:var(--teal)}

.navlinks{display:flex;align-items:center;gap:28px;font-size:15px;color:var(--ink-dim)}
.navlinks a{white-space:nowrap}
.navlinks a:hover{color:var(--ink)}
.navlinks-cta{display:none}
.navcta{display:flex;gap:10px}

.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:6px;
  width:40px;height:40px;align-items:center;justify-content:center;color:var(--ink);cursor:pointer;
}
.nav-toggle-bars,.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";display:block;width:18px;height:2px;background:currentColor;border-radius:1px;
}
.nav-toggle-bars{position:relative}
.nav-toggle-bars::before{position:absolute;top:-6px}
.nav-toggle-bars::after{position:absolute;top:6px}

@media (max-width:760px){
  .navcta{display:none}
  .nav-toggle{display:flex}
  .navlinks{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:0;background:var(--surface);border-bottom:1px solid var(--line);
    padding:8px 24px 20px;
  }
  .navlinks.is-open{display:flex}
  .navlinks a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .navlinks-cta{display:inline-flex;margin-top:14px;border-bottom:none}
}

/* -------------------- Hero -------------------- */
.hero{padding:96px 0 60px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media (max-width:900px){.hero{grid-template-columns:1fr;padding:56px 0 40px}}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.08;margin-bottom:20px}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.panel-head{
  display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:12px;color:var(--ink-dim);
}
.panel-head span{width:8px;height:8px;border-radius:50%;background:var(--line)}
.run-row{
  display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;
  border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px;
}
.run-row:last-child{border-bottom:none}
.pass{color:var(--teal)}
.pending{color:var(--ink-dim)}

.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 24px}
.strip div{font-family:var(--mono);font-size:14px;color:var(--ink-dim);text-align:center}
@media (max-width:700px){.strip .wrap{grid-template-columns:1fr 1fr;gap:16px}}

/* -------------------- Problem / lists -------------------- */
.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
@media (max-width:900px){.two-col{grid-template-columns:1fr}}
.problem-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.problem-list li{padding-left:22px;position:relative;color:var(--ink-dim);break-inside:avoid}
.problem-list li::before{content:"—";position:absolute;left:0;color:var(--amber)}
.problem-list-columns{margin-top:28px;column-count:2;column-gap:40px}
@media (max-width:700px){.problem-list-columns{column-count:1}}

.get-list{list-style:none;column-count:2;column-gap:32px;font-size:15px;color:var(--ink-dim);line-height:2.1}
.get-list li::before{content:"✓ ";color:var(--teal)}
@media (max-width:600px){.get-list{column-count:1}}

/* -------------------- Cards / services -------------------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
@media (max-width:900px){.card-grid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.card-grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:10px}
.card-tagline{color:var(--ink-dim);font-size:14px;margin-bottom:14px}
.card ul{list-style:none;color:var(--ink-dim);font-size:14px;display:flex;flex-direction:column;gap:6px}
.card ul li::before{content:"✓ ";color:var(--teal)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;margin-top:40px}
@media (max-width:700px){.steps{grid-template-columns:1fr 1fr}}
.step{border-top:2px solid var(--teal);padding-top:16px}
.step .num{font-family:var(--mono);color:var(--teal-dim);font-size:13px}
.step h3{margin:8px 0;font-size:17px}
.step p{color:var(--ink-dim);font-size:14px}

.tools-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tool{font-family:var(--mono);font-size:13px;border:1px solid var(--line);border-radius:6px;padding:8px 12px;color:var(--ink-dim)}

/* -------------------- Dashboard / reporting -------------------- */
.dash{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:36px}
.dash-label{font-family:var(--mono);font-size:12px;color:var(--amber);margin-bottom:16px}
.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
@media (max-width:700px){.dash-grid{grid-template-columns:1fr 1fr}}
.metric{background:var(--surface-2);border-radius:8px;padding:16px}
.metric .val{font-family:var(--mono);font-size:26px;font-weight:600}
.metric .lab{font-size:12px;color:var(--ink-dim);margin-top:4px}
.bar-row{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-dim);margin-bottom:10px}
.bar-name{width:120px;flex-shrink:0}
.bar-track{flex:1;height:8px;background:var(--surface-2);border-radius:4px;overflow:hidden}
.bar-fill{height:100%;background:var(--teal);border-radius:4px}

/* -------------------- Case study -------------------- */
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:36px;margin-top:36px}
.case-tag{
  display:inline-block;font-family:var(--mono);font-size:12px;color:var(--amber);
  border:1px solid var(--line);border-radius:6px;padding:4px 10px;margin-bottom:16px;
}
.case-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px;margin-top:20px}
@media (max-width:800px){.case-cols{grid-template-columns:1fr}}
.case-cols h3{font-size:13px;font-family:var(--mono);color:var(--ink-dim);margin-bottom:10px;text-transform:none;font-weight:600}
.case-cols ul{list-style:none;font-size:14px;color:var(--ink-dim);display:flex;flex-direction:column;gap:6px}

/* -------------------- Final CTA -------------------- */
.final-cta{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:64px 24px}
.final-cta h2{font-size:clamp(26px,4vw,38px);max-width:640px;margin:0 auto 14px}

/* -------------------- About -------------------- */
.about{display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
@media (max-width:900px){.about{grid-template-columns:1fr}}
.quote{border-left:2px solid var(--teal);padding-left:18px;color:var(--ink-dim);font-size:17px;margin-top:18px}

/* -------------------- Contact form -------------------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
@media (max-width:700px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--ink-dim)}
input,textarea{
  background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;
  color:var(--ink);font-family:var(--sans);font-size:14px;width:100%;
}
textarea{resize:vertical;min-height:90px}
.submit-note{color:var(--teal);font-size:14px;margin-top:10px}
.submit-error{color:var(--amber);font-size:14px;margin-top:10px}
.contact-line{color:var(--ink-dim);font-size:14px;margin-top:18px}
.contact-line a{color:var(--teal)}

/* -------------------- Footer -------------------- */
footer{border-top:1px solid var(--line);padding:36px 0;color:var(--ink-dim);font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}

/* -------------------- Large desktop -------------------- */
@media (min-width:1400px){
  .wrap{max-width:1280px}
  .hero h1{font-size:60px}
}

/* -------------------- Accessibility: focus & motion -------------------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--teal);outline-offset:2px;
}
/* Fallback for browsers without :focus-visible support */
a:focus,button:focus,input:focus,textarea:focus{
  outline:2px solid var(--teal);outline-offset:2px;
}

@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(10px);animation:up .6s ease forwards}
  @keyframes up{to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}

::-webkit-scrollbar{height:8px;width:8px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}