:root {
  --navy: #0c1f3f;
  --blue: #2d6ef5;
  --green: #059669;
  --amber: #f59e0b;
  --slate: #94a3b8;
  --bg: #ffffff;
  --surface: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --dark-bg: #090a0f;
  --dark-text: #cbd5e1;
  --shadow: 0 24px 80px rgba(12, 31, 63, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body.locked { overflow: hidden; }

a { color: inherit; }

img { max-width: 100%; display: block; }

.container {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

.section { padding: 96px 0; }
.section.surface { background: var(--surface); }
.section.dark { background: var(--dark-bg); color: #fff; }

.section-label {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3, .logo, .display {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  color: var(--navy);
}

h1 {
  margin: 0;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 800;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 800;
}

h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 700;
}

p { margin: 0; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.75; }
.muted { color: var(--muted); }
.mono { letter-spacing: 0; }

.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  transition: box-shadow 0.2s ease;
}

.site-nav.scrolled { box-shadow: none; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 26px;
}

.logo {
  text-decoration: none;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo sup {
  margin-left: 2px;
  color: var(--blue);
  font-size: 9px;
  vertical-align: super;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.nav-links a {
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-links a:hover { color: var(--navy); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: none; }
.btn-outline { border-color: #b9cdfd; color: var(--blue); background: #fff; }
.btn-dark { background: #fff; color: var(--navy); }
.btn-ghost-white { border-color: rgba(255, 255, 255, 0.36); color: #fff; }
.btn-large { min-height: 52px; padding: 0 24px; }

.hero { padding: 160px 0 96px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 510px; gap: 64px; align-items: center; }
.hero-copy { max-width: 640px; }
.hero-copy .lead { margin-top: 24px; max-width: 590px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.trust-signals { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 26px; color: var(--muted); font-size: 13px; font-weight: 600; }
.trust-signals span { display: inline-flex; align-items: center; gap: 7px; }
.trust-signals b { color: var(--green); }

.analysis-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 0;
  background: #fff;
  box-shadow: 4px 4px 0 var(--navy);
  overflow: hidden;
}

.analysis-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  border: 1px solid var(--green);
  background: #ecfdf5;
  color: var(--green);
  letter-spacing: 0;
  text-transform: none;
}

.status-dot { width: 8px; height: 8px; border-radius: 0; background: var(--green); }
.blot-stage { position: relative; padding: 16px; background: var(--surface); }
.ink-target { width: 100%; height: 220px; object-fit: cover; filter: contrast(1.1) grayscale(1); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.ink-target:hover { transform: translateY(-2px); box-shadow: 2px 2px 0 var(--navy); }
.visual-caption { padding: 16px 20px; border-top: 1px solid var(--border); color: var(--navy); font-size: 11px; font-weight: 700; text-transform: uppercase; background: #fff; }

.trust-band { padding: 62px 0; background: var(--dark-bg); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.stat-value { color: #fff; font-family: "Plus Jakarta Sans", sans-serif; font-size: 42px; line-height: 1; font-weight: 700; letter-spacing: -0.04em; }
.stat-label { margin-top: 12px; color: rgba(203, 213, 225, 0.85); font-size: 14px; }
.source-note { margin-top: 24px; color: rgba(203, 213, 225, 0.74); text-align: center; font-size: 11px; }
.logo-strip-title { margin: 44px 0 18px; color: rgba(203, 213, 225, 0.68); text-align: center; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.logo-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.fake-logo { padding: 16px 10px; border: 1px solid rgba(203, 213, 225, 0.14); border-radius: 0; color: rgba(203, 213, 225, 0.72); text-align: center; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 800; letter-spacing: -0.03em; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.copy-stack > * + * { margin-top: 20px; }
.diagram-card, .card {
  border: 1px solid var(--border);
  border-radius: 0;
  background: #fff;
  box-shadow: none;
}
.diagram-card { padding: 24px; }
.bias-flow { display: grid; gap: 14px; }
.bias-step { position: relative; padding: 16px; border: 1px solid var(--border); border-radius: 0; background: var(--surface); }
.bias-step strong { display: block; color: var(--navy); }
.bias-step span { color: var(--amber); font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }

.section-head { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.section-head .lead { margin-top: 14px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card { padding: 28px; min-height: 360px; }
.step-icon { font-family: "Plus Jakarta Sans", sans-serif; width: 52px; height: 52px; margin: 8px 0 18px; border-radius: 0; background: #eef4ff; display: grid; place-items: center; color: var(--blue); font-size: 22px; font-weight: 800; letter-spacing: -0.04em; }
.step-note { margin-top: 18px; color: var(--muted); font-size: 13px; font-style: italic; }

.construct-table { border: 1px solid var(--border); border-radius: 0; overflow: hidden; background: #fff; }
.construct-row { display: grid; grid-template-columns: 1fr 98px 2fr 36px; gap: 24px; align-items: center; padding: 22px 24px; border-bottom: 1px solid var(--border); }
.construct-row:last-child { border-bottom: 0; }
.construct-name { color: var(--navy); font-weight: 800; }
.construct-code { color: var(--blue); font-size: 12px; font-weight: 700; }
.construct-desc { color: var(--muted); font-size: 14px; }
.indicator { width: 10px; height: 10px; border-radius: 0; background: var(--green); justify-self: end; }
.indicator.amber { background: var(--amber); }
.indicator.slate { background: var(--slate); }
.table-note { margin-top: 18px; color: var(--muted); font-size: 13px; }

.science-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 58px; align-items: center; }
.dark h2, .dark h3 { color: #fff; }
.dark .lead, .dark .muted { color: rgba(203, 213, 225, 0.85); }
.pull-quote { padding: 28px; border-left: 3px solid var(--blue); background: rgba(255, 255, 255, 0.04); border-radius: 0; color: #fff; font-family: "Plus Jakarta Sans", sans-serif; font-size: 28px; line-height: 1.25; font-weight: 800; letter-spacing: -0.03em; }
.chart-card { padding: 26px; border: 1px solid rgba(203, 213, 225, 0.18); border-radius: 0; background: rgba(255, 255, 255, 0.04); }
.validity-row { display: grid; grid-template-columns: 170px 1fr 48px; gap: 14px; align-items: center; margin: 16px 0; color: var(--dark-text); font-size: 13px; }
.bar-track { height: 12px; border-radius: 0; background: rgba(203, 213, 225, 0.14); overflow: hidden; }
.bar { width: 0; height: 100%; border-radius: inherit; background: var(--slate); transition: width 1s ease; }
.bar.obscura { background: var(--blue); }
.chart-card.visible .bar[data-width="40"] { width: 40%; }
.chart-card.visible .bar[data-width="70"] { width: 70%; }
.chart-card.visible .bar[data-width="80"] { width: 80%; }
.chart-card.visible .bar[data-width="88"] { width: 88%; }
.chart-note { margin-top: 18px; color: rgba(203, 213, 225, 0.68); font-size: 11px; }

.comparison { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 0; border: 1px solid var(--border); }
.comparison th, .comparison td { padding: 18px; border-bottom: 1px solid var(--border); text-align: center; }
.comparison th:first-child, .comparison td:first-child { text-align: left; }
.comparison th { color: var(--navy); font-family: "Plus Jakarta Sans", sans-serif; }
.yes { color: var(--green); font-weight: 800; }
.no { color: var(--amber); font-weight: 800; }
.cert-badge { display: inline-flex; align-items: center; gap: 12px; margin-top: 28px; padding: 14px 18px; border: 1px solid #bbf7d0; border-radius: 0; background: #f0fdf4; color: var(--green); font-weight: 800; }

.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.testimonial { padding: 26px; border-left: 3px solid var(--blue); }
.testimonial blockquote { margin: 0; color: var(--text); font-size: 16px; line-height: 1.75; }
.testimonial cite { display: block; margin-top: 18px; color: var(--muted); font-size: 13px; font-style: normal; }

.roi-card { padding: 28px; }
.field { display: grid; gap: 8px; margin-top: 18px; }
.field label { color: var(--navy); font-size: 13px; font-weight: 800; }
.field input { width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid var(--border); border-radius: 0; font: inherit; }
.roi-output { margin-top: 24px; padding: 20px; border-radius: 0; background: var(--surface); }
.roi-number { color: var(--navy); font-family: "Plus Jakarta Sans", sans-serif; font-size: 38px; line-height: 1; font-weight: 700; letter-spacing: -0.04em; }
.formula-note { margin-top: 10px; color: var(--muted); font-size: 11px; }

.integration-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.integration { padding: 18px 10px; border: 1px solid var(--border); border-radius: 0; color: #7b8797; text-align: center; font-weight: 800; font-family: "Plus Jakarta Sans", sans-serif; font-size: 13px; }
.integration.fade { background: linear-gradient(90deg, #fff, #f1f5f9); color: #a8b2c0; }

.awards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.award { min-height: 122px; padding: 18px 12px; border: 1px solid var(--border); border-radius: 0; background: #fff; text-align: center; display: grid; align-content: center; gap: 8px; }
.award-icon { width: 34px; height: 34px; margin: 0 auto; border-radius: 0; background: #eff6ff; color: var(--blue); display: grid; place-items: center; font-weight: 800; }
.award-title { color: var(--navy); font-size: 13px; font-weight: 800; line-height: 1.3; }
.award-year { color: var(--muted); font-size: 11px; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.price-card { padding: 30px; border: 1px solid var(--border); border-radius: 0; background: #fff; }
.price-card.featured { background: var(--navy); color: #fff; transform: translateY(-12px); box-shadow: 4px 4px 0 var(--navy); }
.price-card h3 { color: inherit; }
.plan-tag { display: inline-flex; margin-bottom: 14px; padding: 6px 10px; border-radius: 0; background: #eaf1ff; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.featured .plan-tag { background: rgba(255, 255, 255, 0.12); color: #fff; }
.price { margin-top: 18px; font-family: "Plus Jakarta Sans", sans-serif; font-size: 40px; font-weight: 800; letter-spacing: -0.04em; }
.price-sub { color: var(--muted); font-size: 13px; }
.features { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.features li { color: #475569; font-size: 14px; }
.features li::before { content: "•"; margin-right: 8px; color: var(--blue); }
.featured .price-sub, .featured .features li { color: #ffffff; font-weight: 400; }
.featured .features li::before { color: rgba(255, 255, 255, 0.7); }

.faq-layout { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 56px; align-items: start; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-button { width: 100%; padding: 22px 0; border: 0; background: transparent; color: var(--navy); display: flex; justify-content: space-between; gap: 18px; text-align: left; font: 700 16px "Plus Jakarta Sans", sans-serif; cursor: pointer; }
.faq-chevron { transition: transform 0.2s ease; color: var(--blue); }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 0 24px; color: var(--muted); font-size: 15px; }
.faq-item.open .faq-answer { display: block; }

.final-cta { background: var(--navy); color: #fff; text-align: center; }
.final-cta h2 { color: #fff; }
.final-cta .lead { max-width: 760px; margin: 18px auto 0; color: rgba(255, 255, 255, 0.88); }
.final-actions { display: flex; justify-content: center; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.site-footer { padding: 72px 0 40px; background: var(--dark-bg); color: var(--dark-text); }
.footer-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 56px; }
.footer-desc { max-width: 430px; margin-top: 14px; color: rgba(203, 213, 225, 0.82); font-size: 14px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.footer-col h4 { margin: 0 0 14px; color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-col a { display: block; margin: 9px 0; color: rgba(203, 213, 225, 0.78); text-decoration: none; font-size: 13px; }
.footer-legal { margin-top: 48px; padding-top: 28px; border-top: 1px solid rgba(203, 213, 225, 0.14); color: rgba(203, 213, 225, 0.74); font-size: 11px; line-height: 1.8; }

.ethics-page { padding-top: 136px; }
.article { width: min(720px, calc(100% - 40px)); margin: 0 auto; }
.article h1 { font-size: clamp(42px, 5vw, 64px); }
.article h2 { margin-top: 64px; font-size: 30px; }
.article p, .article li { color: #334155; font-size: 17px; line-height: 1.8; }
.article p { margin-top: 18px; }
.article ul { margin-top: 18px; padding-left: 20px; }
.article .lead { margin-top: 24px; color: var(--muted); }
.not-found { min-height: 100vh; display: grid; place-items: center; padding: 80px 20px; text-align: center; }
.not-found h1 { font-size: clamp(42px, 7vw, 80px); }
.not-found p { max-width: 640px; margin: 20px auto 0; color: var(--muted); font-size: 18px; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .two-col, .science-grid, .faq-layout, .footer-top { grid-template-columns: 1fr; }
  .hero { padding-top: 130px; }
  .steps-grid, .pricing-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid, .logo-strip, .integration-grid, .awards { grid-template-columns: repeat(2, 1fr); }
  .construct-row { grid-template-columns: 1fr; gap: 8px; }
  .indicator { justify-self: start; }
  .price-card.featured { transform: none; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .nav-actions .btn-outline { display: none; }
  .hero-actions, .final-actions { flex-direction: column; align-items: stretch; }
  .stats-grid, .logo-strip, .integration-grid, .awards, .footer-cols { grid-template-columns: 1fr; }
  .blot-stage { min-height: 430px; padding: 18px; }
  .annotation { position: static; transform: none; width: 100%; margin-top: 10px; }
  .blot-stage { display: block; }
}


.noise-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 9999; opacity: 0.03; background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E'); }










.evolution-stage { position: relative; height: 460px; width: 100%; margin-top: 10px; }
.evo-past { position: absolute; top: 0; left: -8%; width: 80%; padding: 32px 32px 56px; background: #fdfbf7; border: 1px solid #d4d0c8; box-shadow: 2px 4px 12px rgba(0,0,0,0.06); transform: rotate(-5deg); filter: sepia(0.6) contrast(0.9); z-index: 1; }
.evo-past img { width: 100%; height: auto; mix-blend-mode: multiply; opacity: 0.8; }
.evo-past::after { content: "PLATE IV"; position: absolute; bottom: 18px; right: 24px; font-family: "Plus Jakarta Sans", sans-serif; font-size: 11px; font-weight: 800; color: #8a857b; letter-spacing: 0.15em; }

.evo-present { position: absolute; bottom: -10px; right: -5%; width: 65%; background: #fff; border: 1px solid var(--border); box-shadow: 4px 4px 0 var(--navy); z-index: 2; display: flex; flex-direction: column; }
.evo-present-top { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; background: #f8fafc; }
.evo-label { color: var(--navy); font-family: "Plus Jakarta Sans", sans-serif; font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.evo-timer { color: var(--muted); font-size: 12px; font-weight: 600; }
.evo-image-container { padding: 32px 24px; background: #fff; display: flex; justify-content: center; }
.evo-present img { width: 100%; height: 140px; object-fit: contain; }
.evo-input-area { padding: 20px; background: #fff; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.evo-prompt { font-size: 13px; font-weight: 700; color: var(--navy); }
.evo-textarea { width: 100%; border: 1px solid var(--border); padding: 10px 12px; font-size: 13px; color: var(--text); min-height: 60px; background: #f8fafc; font-family: inherit; }
.evo-action { text-align: right; }
.evo-btn { display: inline-block; background: var(--navy); color: #fff; padding: 8px 16px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; border: none; cursor: pointer; }