/* Realcheck Network: design tokens
   Reference register: security audit / due diligence firm. Style foundation from
   ui-ux-pro-max "Exaggerated Minimalism": oversized display type, high contrast,
   generous whitespace, flat surfaces, no gradients, no soft drop shadows.
   Palette (approved brand): electric lime #8FE000 + black ink #0A0A0A, with a
   bone paper #F2F3EC reading surface for the long-form sections.
   Type: Sora 700/800 display . IBM Plex Sans 400/500/600 body . JetBrains Mono data.
   Spacing scale: 8 / 12 / 16 / 24 / 32 / 48 / 72 / 112 px. Radius: 4px chips, 12px panels. */

:root {
  --lime: #8FE000;
  --lime-deep: #76BE00;
  --ink: #0A0A0A;
  --ink-raise: #151515;
  --ink-line: rgba(255, 255, 255, 0.16);
  --paper: #F2F3EC;
  --paper-line: rgba(10, 10, 10, 0.14);
  --on-ink: rgba(255, 255, 255, 0.78);
  --on-lime: rgba(10, 10, 10, 0.74);
  --on-paper: rgba(10, 10, 10, 0.74);
  --line-strong: #0A0A0A;
  --panel: rgba(10, 10, 10, 0.08);
  --panel-strong: rgba(10, 10, 10, 0.14);
  --radius: 12px;
  --radius-sm: 4px;
  --max-width: 1160px;
  --measure: 64ch;
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--lime);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-name, .score-number, .band-name {
  font-family: "Sora", "IBM Plex Sans", sans-serif;
}

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 16px;
}

p { margin: 0 0 16px; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 600; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--lime);
  padding: 12px 16px;
  font-weight: 600;
}

.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.section-dark :focus-visible { outline-color: var(--lime); }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--lime);
  border-bottom: 2px solid var(--line-strong);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--line-strong);
  display: block;
}

.brand-name {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.site-nav { display: flex; gap: 28px; }

.site-nav a {
  color: var(--on-lime);
  font-weight: 500;
  font-size: 15px;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.site-nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* Token bar */

.token-bar { background: var(--ink); color: var(--lime); }

.token-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
  flex-wrap: wrap;
}

.token-ticker {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.chain-tag {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(143, 224, 0, 0.45);
  border-radius: 999px;
  padding: 4px 11px;
}

.token-ca {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(143, 224, 0, 0.08);
  border: 1px solid rgba(143, 224, 0, 0.35);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: var(--lime);
  font-family: "JetBrains Mono", monospace;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.token-ca:hover { border-color: var(--lime); background: rgba(143, 224, 0, 0.16); }

.token-ca-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
}

.token-ca-value {
  font-size: 12.5px;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.token-ca-copied { display: none; font-size: 12.5px; font-weight: 700; }
.token-ca.is-copied .token-ca-value { display: none; }
.token-ca.is-copied .token-ca-copied { display: inline; }

.token-x {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(143, 224, 0, 0.35);
  color: var(--lime);
  fill: currentColor;
  flex-shrink: 0;
  transition: border-color 0.18s ease;
}

.token-x:hover { border-color: var(--lime); }

.token-buy {
  margin-left: auto;
  background: var(--lime);
  color: var(--ink);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: background 0.18s ease;
}

.token-buy:hover { background: #A5F211; }

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid var(--line-strong);
  transition: background 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}

.btn-primary { background: var(--ink); color: var(--lime); padding: 13px 24px; }
.btn-primary:hover { background: var(--ink-raise); }
.btn-ghost { background: transparent; color: var(--ink); padding: 13px 24px; }
.btn-ghost:hover { background: var(--panel); }
.btn-light {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
  padding: 9px 18px;
}
.btn-light:hover { background: #A5F211; border-color: #A5F211; }
.btn-small { padding: 9px 16px; font-size: 13.5px; }

/* Hero */

.hero { border-bottom: 2px solid var(--line-strong); padding-bottom: 0; }

.hero-inner {
  display: flex;
  align-items: center;
  gap: 64px;
  padding-top: 88px;
  padding-bottom: 64px;
}

.hero-copy { flex: 1 1 560px; max-width: 640px; }

.eyebrow {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--line-strong);
  padding-bottom: 6px;
}

.eyebrow-light { border-bottom-color: var(--lime); color: var(--lime); }

.hero h1 {
  font-size: clamp(46px, 7.4vw, 92px);
  margin-bottom: 24px;
}

.hero-description {
  font-size: 19px;
  color: var(--on-lime);
  max-width: 54ch;
}

.hero-description-sub { font-size: 17px; }

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.noscript-note {
  margin-top: 24px;
  font-size: 14.5px;
  font-weight: 500;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 16px;
  max-width: 52ch;
}

.hero-visual {
  flex: 0 1 380px;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  line-height: 0;
}

.hero-visual-img { width: 100%; height: auto; display: block; }

/* Stat strip */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  border-top: 2px solid var(--line-strong);
}

.stat {
  padding: 28px 28px 32px 0;
  border-right: 2px solid var(--line-strong);
}

.stat:last-child { border-right: 0; }
.stat:not(:first-child) { padding-left: 28px; }

.stat dt {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-lime);
  margin-bottom: 10px;
}

.stat dd {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 34px;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}

.stat p { font-size: 15px; color: var(--on-lime); margin: 0; }

/* Sections */

.section {
  padding: 112px 0;
  border-bottom: 2px solid var(--line-strong);
}

.section h2 {
  font-size: clamp(30px, 4vw, 46px);
  max-width: 20ch;
  margin-bottom: 32px;
}

.section-lead {
  color: var(--on-lime);
  font-size: 18px;
  max-width: var(--measure);
  margin-bottom: 20px;
}

.section-dark {
  background: var(--ink);
  color: #FFFFFF;
  border-bottom-color: var(--ink);
  padding-bottom: 0;
}

.section-dark .section-lead { color: var(--on-ink); }

.section-paper {
  background: var(--paper);
  border-bottom-color: var(--line-strong);
}

.section-paper .section-lead { color: var(--on-paper); }

/* Prose grid (problem + standards) */

.prose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.prose p { color: var(--on-ink); font-size: 17px; max-width: var(--measure); }

.prose .lede {
  font-family: "Sora", sans-serif;
  font-weight: 600;
  font-size: 22px;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.compare {
  display: grid;
  gap: 16px;
}

.compare-col {
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  padding: 24px;
}

.compare-col-hard { border-color: var(--lime); }

.compare-col h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  color: var(--on-ink);
}

.compare-col-hard h3 { color: var(--lime); }

.compare-col ul { list-style: none; margin: 0; padding: 0; }

.compare-col li {
  font-size: 15px;
  color: var(--on-ink);
  padding: 8px 0 8px 18px;
  position: relative;
  border-top: 1px solid var(--ink-line);
}

.compare-col li:first-child { border-top: 0; }

.compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 2px;
  background: currentColor;
  opacity: 0.6;
}

.compare-col-hard li::before { background: var(--lime); opacity: 1; }

/* Photo band */

.photo-band { margin: 72px 0 0; }

.photo-band img {
  width: 100%;
  height: clamp(220px, 30vw, 380px);
  object-fit: cover;
  display: block;
  border-top: 2px solid var(--lime);
}

.photo-band figcaption {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 40px;
  font-size: 14.5px;
  color: var(--on-ink);
}

/* Methodology signals */

.signals {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  border-top: 2px solid var(--line-strong);
}

.signal {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.9fr);
  gap: 48px;
  padding: 44px 0;
  border-bottom: 1px solid var(--paper-line);
}

.signal:last-child { border-bottom: 0; }

.signal-head { display: flex; gap: 18px; align-items: flex-start; }

.signal-index {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 15px;
  padding: 6px 10px;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.signal-head h3 { font-size: 27px; margin-bottom: 6px; }

.signal-weight {
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--on-paper);
  margin: 0;
}

.signal-body p { color: var(--on-paper); max-width: var(--measure); }

.signal-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--paper-line);
}

.signal-split p { font-size: 15px; margin: 0; }
.signal-split strong { color: var(--ink); }

/* Checker */

.check-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: 40px;
}

.check-list { display: flex; flex-direction: column; gap: 12px; }

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--panel);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 18px 20px;
  cursor: pointer;
  transition: background 0.18s ease;
}

.check-item:hover { background: var(--panel-strong); }

.check-item input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.check-box-ui {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: 3px;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--lime-deep);
  position: relative;
}

.check-box-ui::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--ink);
  transform: scale(0);
  transition: transform 0.14s ease;
}

.check-item input:checked + .check-box-ui { background: var(--lime); }
.check-item input:checked + .check-box-ui::after { transform: scale(1); }

.check-item input:focus-visible + .check-box-ui {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.check-copy { display: flex; flex-direction: column; gap: 6px; }
.check-title { font-weight: 600; font-size: 16.5px; }
.check-why { color: var(--on-lime); font-size: 14.5px; line-height: 1.5; }

/* Score panel */

.score-panel {
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink);
  color: #FFFFFF;
  padding: 28px 26px;
  position: sticky;
  top: 96px;
}

.score-panel-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 18px;
}

.score-bar-track {
  height: 14px;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
  margin-bottom: 20px;
}

.score-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--lime);
  transition: width 0.3s ease;
}

.score-readout {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-bottom: 18px;
}

.score-number {
  font-weight: 800;
  font-size: 52px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--lime);
}

.score-max {
  font-family: "JetBrains Mono", monospace;
  font-size: 17px;
  color: var(--on-ink);
}

.score-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  margin-left: auto;
}

.score-label[data-band="vapor"] { color: var(--on-ink); }
.score-label[data-band="thin"] { color: #FFFFFF; border-color: rgba(255, 255, 255, 0.4); }
.score-label[data-band="partial"] { color: var(--lime); border-color: rgba(143, 224, 0, 0.55); }
.score-label[data-band="real"] { background: var(--lime); color: var(--ink); border-color: var(--lime); }

.score-verdict {
  font-size: 15px;
  color: var(--on-ink);
  border-top: 1px solid var(--ink-line);
  padding-top: 18px;
}

.score-gaps { margin-bottom: 22px; }

.score-gaps-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-ink);
  margin-bottom: 10px;
}

.score-gaps ul { list-style: none; margin: 0; padding: 0; }

.score-gaps li {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: #FFFFFF;
  padding: 6px 0 6px 16px;
  position: relative;
}

.score-gaps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.score-gaps li.is-clear { color: var(--on-ink); }

.score-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.score-actions .btn-primary {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}

.score-actions .btn-primary:hover { background: #A5F211; border-color: #A5F211; }

.score-actions .btn-ghost { color: #FFFFFF; border-color: var(--ink-line); }
.score-actions .btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }

.score-note {
  font-size: 12.5px;
  color: var(--on-ink);
  margin: 18px 0 0;
}

/* Bands */

.bands {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 2px solid var(--line-strong);
}

.band-range {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-lime);
  margin-bottom: 8px;
}

.band-name {
  display: block;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.band p { font-size: 14.5px; color: var(--on-lime); margin: 0; }

/* Pledge */

.pledge {
  border: 1px solid var(--lime);
  border-radius: var(--radius);
  padding: 28px 26px;
}

.pledge h3 { font-size: 17px; color: var(--lime); margin-bottom: 18px; }
.pledge ul { list-style: none; margin: 0; padding: 0; }

.pledge li {
  font-size: 15px;
  color: var(--on-ink);
  padding: 14px 0;
  border-top: 1px solid var(--ink-line);
}

.pledge li:first-child { border-top: 0; padding-top: 0; }
.pledge li strong { color: #FFFFFF; font-weight: 600; }

.section-dark .prose-grid { padding-bottom: 8px; }

/* FAQ */

.faq { margin-top: 40px; border-top: 2px solid var(--line-strong); }

.faq details { border-bottom: 1px solid var(--paper-line); }

.faq summary {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  padding: 24px 40px 24px 0;
  cursor: pointer;
  position: relative;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 22px;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
}

.faq details[open] summary::after { content: "-"; }

.faq details p {
  font-size: 16.5px;
  color: var(--on-paper);
  max-width: var(--measure);
  padding-bottom: 8px;
}

/* Footer */

.site-footer { background: var(--ink); color: #FFFFFF; padding: 56px 0 28px; }

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--ink-line);
}

.footer-brand { display: flex; align-items: center; gap: 14px; }

.footer-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: block;
}

.footer-name {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  margin: 0;
}

.footer-line { font-size: 14px; color: var(--on-ink); margin: 0; }

.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }

.footer-nav a {
  font-size: 14.5px;
  color: var(--on-ink);
  transition: color 0.18s ease;
}

.footer-nav a:hover { color: var(--lime); }

.footer-social { display: flex; align-items: center; gap: 12px; }

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink-line);
  color: var(--lime);
  fill: currentColor;
  transition: border-color 0.18s ease;
}

.social-icon:hover { border-color: var(--lime); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
}

.engine-status {
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  color: var(--on-ink);
  margin: 0;
}

.footer-copy { font-size: 13px; color: var(--on-ink); margin: 0; }

/* Responsive */

@media (max-width: 1040px) {
  .prose-grid { grid-template-columns: 1fr; gap: 40px; }
  .signal { grid-template-columns: 1fr; gap: 24px; }
  .bands { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 920px) {
  .check-panel { grid-template-columns: 1fr; }
  .score-panel { position: static; }
  .site-nav { display: none; }
  .section { padding: 80px 0; }
  .hero-inner { flex-direction: column; align-items: flex-start; gap: 40px; padding-top: 56px; }
  .hero-visual { display: none; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--panel-strong); padding: 24px 0; }
  .stat:not(:first-child) { padding-left: 0; }
  .stat:last-child { border-bottom: 0; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .signal-split { grid-template-columns: 1fr; gap: 14px; }
  .bands { grid-template-columns: 1fr; }
  .token-buy { margin-left: 0; order: 5; width: 100%; text-align: center; }
  .token-ca-value { max-width: 150px; }
  .footer-top { flex-direction: column; }
  .compare { gap: 12px; }
  .photo-band { margin-top: 48px; }
}

@media (max-width: 400px) {
  .score-number { font-size: 40px; }
  .token-ca-value { max-width: 110px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}