:root{
  --bg:#f6f3ee;
  --surface:#fffdf8;
  --surface-strong:#ffffff;
  --ink:#1f2723;
  --muted:#66736d;
  --line:#ddd7cd;
  --line-strong:#c8c0b4;
  --brand:#216b5a;
  --brand-dark:#164b3f;
  --accent:#b85c38;
  --accent-soft:#f6dfd2;
  --success:#1d7a52;
  --danger:#b42318;
  --shadow:0 18px 45px rgba(37,43,39,.10);
  --radius:8px;
}

*{box-sizing:border-box}
html{min-height:100%}
body{
  margin:0;
  min-height:100%;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.5;
  letter-spacing:0;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.55}

.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  border-bottom:1px solid rgba(221,215,205,.85);
  background:#fff;
  backdrop-filter:blur(14px);
}
.header-inner{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:750}
.brand-logo{
  display:block;
  width:auto;
  height:50px;
  max-width:min(280px,58vw);
  object-fit:contain;
}
.brand-mark{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:8px;
  background:var(--brand);
  color:white;
  font-weight:800;
  box-shadow:0 8px 20px rgba(33,107,90,.22);
}
.nav-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.nav-actions form{margin:0}
.tier-pill{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--brand-dark);
  background:rgba(255,255,255,.55);
}

.button{
  min-height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:8px;
  padding:0 16px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease;
}
.button:hover{text-decoration:none;transform:translateY(-1px)}
.button-primary{background:var(--brand);color:white;box-shadow:0 12px 25px rgba(33,107,90,.2)}
.button-primary:hover{background:var(--brand-dark)}
.button-secondary{background:var(--surface-strong);color:var(--brand-dark);border-color:var(--line-strong)}
.button-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.full-width{width:100%}

.flash-stack{padding-top:18px}
.flash{
  margin-bottom:12px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface-strong);
  box-shadow:0 8px 24px rgba(37,43,39,.06);
}
.flash-success{border-color:rgba(29,122,82,.28);color:var(--success)}
.flash-error{border-color:rgba(180,35,24,.28);color:var(--danger)}

.hero-band{padding:58px 0 42px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.72fr);gap:42px;align-items:center}
.hero-copy h1,.auth-copy h1,.workspace-header h1,.report-hero h1,.billing-shell h1{
  margin:0;
  max-width:780px;
  font-size:clamp(2.1rem,4vw,4.6rem);
  line-height:1.02;
  letter-spacing:0;
}
.workspace-header h1,.report-hero h1,.billing-shell h1,.auth-copy h1{font-size:clamp(2rem,3vw,3.3rem)}
.hero-lede{max-width:680px;margin:22px 0 0;color:var(--muted);font-size:1.08rem}
.eyebrow{
  margin:0 0 12px;
  color:var(--accent);
  font-size:12px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-panel,.side-panel,.auth-card,.text-panel,.qr-panel,.price-card,.credit-card{
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.hero-panel{padding:20px}
.panel-header{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:750;font-size:14px;margin-bottom:16px}
.status-dot{width:9px;height:9px;border-radius:99px;background:var(--success);box-shadow:0 0 0 5px rgba(29,122,82,.11)}
.metric-card{
  display:flex;
  min-height:112px;
  flex-direction:column;
  justify-content:space-between;
  gap:18px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface-strong);
  padding:18px;
}
.metric-card span,.preview-row span,.credit-card span,.plan-label{color:var(--muted);font-size:13px;font-weight:700}
.metric-card strong{font-size:2rem;line-height:1;color:var(--ink)}
.metric-card .hash-value{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1rem;overflow-wrap:anywhere}
.metric-primary{background:var(--brand);border-color:var(--brand);color:white}
.metric-primary span,.metric-primary strong{color:white}
.preview-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:14px 0}
.qr-preview{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.qr-preview span{aspect-ratio:1;border-radius:6px;background:linear-gradient(135deg,var(--brand),#102d28)}
.qr-preview span:nth-child(2),.qr-preview span:nth-child(3){background:var(--accent-soft)}

.landing-hero{padding:64px 0 54px;border-bottom:1px solid var(--line)}
.landing-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,430px);gap:46px;align-items:center}
.landing-brand{margin:0 0 16px;color:var(--brand-dark);font-size:1.05rem;font-weight:800}
.landing-hero-copy h1{
  margin:0;
  max-width:760px;
  font-size:clamp(2.35rem,5vw,5rem);
  line-height:1;
  letter-spacing:0;
}
.landing-lede{
  max-width:740px;
  margin:22px 0 0;
  color:var(--ink);
  font-size:clamp(1rem,1.6vw,1.2rem);
}
.landing-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.landing-proof-panel,.sample-certificate-card{
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.landing-proof-panel{padding:22px}
.proof-panel-kicker,.section-label,.certificate-label{
  margin:0;
  color:var(--accent);
  font-size:12px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.proof-stack,.certificate-fields{margin:0;display:grid}
.proof-stack{gap:16px}
.proof-stack div{
  display:grid;
  gap:4px;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.proof-stack dt,.certificate-fields dt{color:var(--muted);font-size:13px;font-weight:800}
.proof-stack dd,.certificate-fields dd{margin:0;color:var(--ink)}
.landing-section{padding:58px 0;border-bottom:1px solid var(--line)}
.landing-two-column{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:46px;align-items:start}
.landing-two-column h2,.sample-layout h2{
  margin:10px 0 0;
  font-size:clamp(1.65rem,2.8vw,2.5rem);
  line-height:1.08;
  letter-spacing:0;
}
.section-copy{display:grid;gap:14px;color:var(--muted)}
.section-copy p,.section-copy{margin:0}
.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.evidence-item{
  padding:24px 0 0;
  border-top:1px solid var(--line-strong);
}
.evidence-item span{color:var(--accent);font-weight:800}
.evidence-item h2{margin:12px 0 8px;font-size:1.16rem;line-height:1.2;letter-spacing:0}
.evidence-item p{margin:0;color:var(--muted)}
.landing-negative-band{
  padding:48px 0;
  border-bottom:1px solid var(--line);
  background:#ede8dd;
}
.negative-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.negative-list li{
  border-left:4px solid var(--accent);
  background:rgba(255,253,248,.68);
  padding:14px 16px;
  color:var(--ink);
  font-size:1.08rem;
  font-weight:800;
}
.sample-layout{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:46px;align-items:start}
.sample-layout .section-copy{margin-top:14px;max-width:520px}
.sample-certificate-card{padding:22px}
.certificate-header{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-start;
  border-bottom:1px solid var(--line);
  padding-bottom:18px;
  margin-bottom:18px;
}
.certificate-header h3{margin:6px 0 0;font-size:1.35rem;line-height:1.2;letter-spacing:0}
.certificate-header span{
  flex:0 0 auto;
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:6px 10px;
  color:var(--brand-dark);
  background:var(--surface-strong);
  font-size:12px;
  font-weight:800;
}
.certificate-fields{grid-template-columns:1fr 1fr;gap:16px 20px}
.certificate-fields-condensed{grid-template-columns:1fr}
.certificate-fields div{
  display:grid;
  gap:4px;
  min-width:0;
}
.certificate-fields dd{overflow-wrap:anywhere}
.sample-card-body{
  display:grid;
  grid-template-columns:minmax(0,1fr) 156px;
  gap:20px;
  align-items:start;
}
.sample-qr-link{
  display:block;
  border:1px solid var(--line);
  border-radius:8px;
  background:white;
  padding:10px;
}
.sample-qr-link img{display:block;width:100%;height:auto}
.certificate-link{
  display:inline-flex;
  margin-top:22px;
  color:var(--brand);
  font-weight:800;
}
.sample-page-hero{padding:56px 0 42px;border-bottom:1px solid var(--line)}
.sample-page-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,420px);gap:42px;align-items:start}
.sample-page-grid h1{
  margin:0;
  max-width:760px;
  font-size:clamp(2.2rem,4.4vw,4.35rem);
  line-height:1.02;
  letter-spacing:0;
}
.sample-summary-card,.sample-detail-panel,.sample-hash-panel{
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.sample-summary-card,.sample-detail-panel,.sample-hash-panel{padding:22px}
.sample-summary-card h2,.sample-detail-panel h2{
  margin:8px 0 16px;
  font-size:1.35rem;
  line-height:1.2;
  letter-spacing:0;
}
.sample-certificate-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(290px,360px);
  gap:22px;
  align-items:start;
  padding-top:36px;
  padding-bottom:56px;
}
.sample-certificate-main{display:grid;gap:22px}
.sample-detail-panel p:last-child{margin-bottom:0;color:var(--muted)}
.timeline-list{display:grid;gap:14px;margin-top:14px}
.timeline-list div{
  display:grid;
  gap:5px;
  border-top:1px solid var(--line);
  padding-top:14px;
}
.timeline-list span{color:var(--accent);font-weight:800}
.timeline-list h3{margin:0;font-size:1rem;line-height:1.25}
.timeline-list p{margin:0;color:var(--muted)}
.landing-footer{padding:28px 0;background:var(--ink);color:white}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-inner p{margin:0;color:rgba(255,255,255,.82);font-weight:700}
.footer-inner a{color:white;font-weight:800}

.section-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:22px 0 60px}
.feature-block{
  padding:24px 0;
  border-top:1px solid var(--line-strong);
}
.feature-icon{color:var(--accent);font-weight:800}
.feature-block h2{margin:12px 0 8px;font-size:1.18rem}
.feature-block p,.muted,.form-note{color:var(--muted)}

.workspace-shell,.billing-shell,.report-shell,.auth-shell{padding:36px 0 60px}
.workspace-header,.report-hero{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:24px;
}
.credit-card{min-width:210px;padding:18px}
.credit-card strong{display:block;margin:5px 0;font-size:2.5rem;line-height:1;color:var(--brand-dark)}
.credit-card a{color:var(--brand);font-weight:750;font-size:14px}
.workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}
.compare-form{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);padding:22px}
.form-section-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.form-section-title h2,.text-panel h2,.qr-panel h2,.price-card h2{margin:0;font-size:1.25rem}
.form-section-title span{color:var(--muted);font-weight:700;font-size:13px}
.field-group{display:grid;gap:8px;margin-bottom:16px}
.field-group span{font-weight:750;font-size:14px}
.field{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:8px;
  background:var(--surface-strong);
  color:var(--ink);
  padding:12px 13px;
  outline:none;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(33,107,90,.12)}
.text-area-large{min-height:210px;resize:vertical}
.form-footer{display:grid;grid-template-columns:minmax(180px,260px) auto;gap:16px;align-items:end}
.compact-field{margin-bottom:0}
.side-panel{padding:18px}
.report-list{display:grid;gap:10px}
.report-item{
  display:grid;
  grid-template-columns:1fr auto;
  gap:12px;
  align-items:center;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface-strong);
  padding:12px;
}
.report-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
.report-score{font-weight:800;color:var(--brand-dark)}
.empty-state{padding:22px;border:1px dashed var(--line-strong);border-radius:8px;background:rgba(255,255,255,.48)}
.empty-state h3{margin:0 0 6px}
.empty-state p{margin:0;color:var(--muted)}

.report-actions{display:flex;gap:10px;flex-wrap:wrap}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.report-grid{display:grid;grid-template-columns:1fr 1fr 260px;gap:18px;align-items:start}
.text-panel,.qr-panel{padding:18px}
.report-block{
  min-height:260px;
  max-height:520px;
  overflow:auto;
  white-space:pre-wrap;
  word-break:break-word;
  margin:14px 0 0;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fbfaf6;
  padding:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:13px;
  line-height:1.55;
}
.evidence-list{margin:0;display:grid;gap:10px}
.evidence-list dt{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.evidence-list dd{margin:0;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.45;overflow-wrap:anywhere}
.qr-panel img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:white;padding:10px;margin:14px 0}
.mono-field{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.auth-shell{display:grid;grid-template-columns:minmax(0,.9fr) minmax(320px,420px);gap:34px;align-items:start}
.auth-copy{padding-top:28px}
.auth-card{padding:22px;background:var(--surface)}
.check-row{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:650;margin:6px 0 18px}
.form-note{margin:16px 0 0;text-align:center;font-size:14px}
.form-note a{color:var(--brand);font-weight:800}

.notice-panel{
  display:grid;
  gap:4px;
  border:1px solid rgba(184,92,56,.28);
  border-radius:8px;
  background:var(--accent-soft);
  padding:14px 16px;
  margin-bottom:18px;
}
.notice-panel span{color:#7f442b}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{display:grid;gap:14px;padding:20px}
.price-card p{min-height:54px;margin:0;color:var(--muted)}
.plan-label{color:var(--accent)}

.container-wide{max-width:1180px;margin:0 auto}
.shadow-soft{box-shadow:var(--shadow)}
.metric-row{display:flex;justify-content:space-between}

@media (max-width:900px){
  .hero-grid,.landing-hero-grid,.landing-two-column,.sample-layout,.sample-page-grid,.sample-certificate-shell,.workspace-grid,.report-grid,.auth-shell{grid-template-columns:1fr}
  .section-grid,.evidence-grid,.metrics-grid,.pricing-grid{grid-template-columns:1fr}
  .workspace-header,.report-hero{align-items:flex-start;flex-direction:column}
  .credit-card{width:100%}
  .form-footer{grid-template-columns:1fr}
  .report-grid{gap:14px}
  .landing-proof-panel{max-width:620px}
}

@media (max-width:620px){
  .container{width:min(100% - 22px,1120px)}
  .header-inner{align-items:flex-start;flex-direction:column;padding:14px 0}
  .nav-actions{justify-content:flex-start;gap:10px}
  .hero-band{padding:36px 0 28px}
  .landing-hero{padding:38px 0 34px}
  .hero-copy h1,.auth-copy h1,.workspace-header h1,.report-hero h1,.billing-shell h1{font-size:2rem;line-height:1.08}
  .landing-hero-copy h1{font-size:2.35rem;line-height:1.05}
  .hero-actions,.report-actions{flex-direction:column}
  .landing-actions{flex-direction:column}
  .hero-actions .button,.landing-actions .button,.report-actions .button{width:100%}
  .landing-section{padding:38px 0}
  .landing-negative-band{padding:34px 0}
  .sample-page-hero{padding:38px 0 30px}
  .sample-page-grid h1{font-size:2.2rem;line-height:1.06}
  .certificate-header{flex-direction:column}
  .certificate-header span{border-radius:8px}
  .certificate-fields{grid-template-columns:1fr}
  .sample-card-body{grid-template-columns:1fr}
  .sample-qr-link{width:156px}
  .compare-form,.hero-panel,.landing-proof-panel,.sample-certificate-card,.sample-summary-card,.sample-detail-panel,.sample-hash-panel,.auth-card,.side-panel,.text-panel,.qr-panel,.price-card{padding:16px}
  .text-area-large{min-height:180px}
}