/* ============================================================================
   POYVerify shared design system
   Mirrors poyverify.com apex tokens so verify.poyverify.com pages read as the
   same product. Cyan on near-black. Space Grotesk display, Inter body,
   JetBrains Mono for anything technical.
   ============================================================================ */

:root {
  --bg: #050508;
  --surface: #0a0a0f;
  --card: #0f0f16;
  --card-hover: #14141e;
  --border: #1a1a2e;
  --border-light: #252540;
  --cyan: #00f0ff;
  --cyan-dim: rgba(0, 240, 255, 0.1);
  --cyan-glow: rgba(0, 240, 255, 0.3);
  --cyan-bright: #40f8ff;
  --purple: #a855f7;
  --red: #ff4466;
  --green: #22c55e;
  --amber: #ffb547;
  --text: #e8e8f0;
  --text-dim: #6b6b80;
  --text-muted: #44445a;
  --white: #ffffff;
  --radius: 8px;
  --radius-lg: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.accent { color: var(--cyan); }
.mono { font-family: var(--font-mono); }
.display { font-family: var(--font-display); }

/* ---- Layout ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.section { padding: 100px 0; position: relative; }
.section-tight { padding: 60px 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  display: inline-block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 640px;
  line-height: 1.7;
  margin-top: 20px;
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--bg);
  border: 2px solid var(--cyan);
  border-radius: 6px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
}
.logo-accent {
  color: var(--text-dim);
  font-weight: 400;
  margin: 0 2px;
}
.nav-links {
  display: flex;
  gap: 32px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  align-items: center;
}
.nav-links a { transition: color 0.2s; position: relative; }
.nav-links a:hover { color: var(--cyan); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s;
  border: 1px solid transparent;
  text-align: center;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}
.btn-primary:hover:not(:disabled) {
  background: var(--cyan-bright);
  box-shadow: 0 0 30px var(--cyan-glow), 0 0 60px rgba(0, 240, 255, 0.15);
  transform: translateY(-1px);
}
.btn-primary:disabled { background: var(--border-light); border-color: var(--border-light); color: var(--text-muted); }
.btn-ghost {
  color: var(--text-dim);
  background: transparent;
  border-color: var(--border-light);
}
.btn-ghost:hover:not(:disabled) {
  color: var(--cyan);
  border-color: var(--cyan);
}
.btn-block { display: flex; width: 100%; }
.btn-sm { padding: 8px 18px; font-size: 11px; letter-spacing: 1px; }
.btn-lg { padding: 16px 40px; font-size: 14px; }
.btn-cta-nav {
  color: var(--bg);
  background: var(--cyan);
  padding: 8px 20px;
  font-size: 11px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-cta-nav:hover {
  background: var(--cyan-bright);
  box-shadow: 0 0 20px var(--cyan-glow);
}

/* ---- Cards / panels ---- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}
.card:hover {
  border-color: var(--border-light);
  background: var(--card-hover);
}
.card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}
.card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}
.card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid transparent;
}
.badge-cyan { color: var(--cyan); border-color: rgba(0, 240, 255, 0.3); background: var(--cyan-dim); }
.badge-green { color: var(--green); border-color: rgba(34, 197, 94, 0.3); background: rgba(34, 197, 94, 0.08); }
.badge-amber { color: var(--amber); border-color: rgba(255, 181, 71, 0.3); background: rgba(255, 181, 71, 0.08); }
.badge-red   { color: var(--red);   border-color: rgba(255, 68, 102, 0.3); background: rgba(255, 68, 102, 0.08); }
.badge-dim   { color: var(--text-dim); border-color: var(--border-light); }

/* ---- KV rows (label / value) ---- */
.kv {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
}
.kv:first-child { border-top: none; padding-top: 0; }
.kv .k {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.kv .v {
  font-family: var(--font-mono);
  color: var(--white);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* ---- Inputs ---- */
.input, .select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-light);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius);
  font: 15px var(--font);
  transition: border-color 0.2s;
  appearance: none;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}
.label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 16px 0 6px;
}

/* ---- Status / feedback lines ---- */
.err {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
  font-family: var(--font-mono);
  min-height: 18px;
}
.ok  { color: var(--green); font-size: 13px; margin-top: 12px; font-family: var(--font-mono); }

/* ---- Footer ---- */
.foot {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}
.foot a { color: var(--text-dim); }
.foot a:hover { color: var(--cyan); }

/* ---- Mobile ---- */
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .nav { padding: 0 20px; height: 60px; }
  .nav-links { gap: 20px; font-size: 11px; letter-spacing: 1px; }
  .nav-links a.hide-mobile { display: none; }
  .section { padding: 60px 0; }
  .section-tight { padding: 40px 0; }
  .section-label { font-size: 10px; letter-spacing: 3px; }
  .card { padding: 22px; }
  .btn { padding: 13px 24px; font-size: 12px; letter-spacing: 1.2px; }
  .btn-lg { padding: 14px 28px; }
}
@media (max-width: 400px) {
  .container { padding: 0 16px; }
  .nav { padding: 0 16px; }
  .card { padding: 18px; }
}