/* Global Trader Registry — Institutional Deep Navy & Slate theme */

:root {
  --navy-950: #0b1120;
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --gold-500: #d4a017;
  --gold-400: #e0b32c;
  --white: #ffffff;
  --green-600: #16a34a;
  --green-50: #f0fdf4;
  --red-600: #dc2626;
  --red-50: #fef2f2;
  --amber-600: #d97706;
  --amber-50: #fffbeb;

  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 10px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--navy-900);
  background: var(--slate-50);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-name {
  font-family: var(--font-serif);
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy-900);
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-400);
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  gap: 20px;
  flex: 1;
}

.main-nav a {
  font-size: 0.92rem;
  color: var(--slate-600);
  font-weight: 500;
}

.main-nav a:hover, .main-nav a.active {
  color: var(--navy-900);
}

.header-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  padding: 8px 12px;
  min-width: 220px;
}

.header-search input {
  border: none;
  background: none;
  outline: none;
  font-size: 0.88rem;
  width: 100%;
  color: var(--navy-900);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border: none;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.1s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--navy-900);
  color: var(--white);
}
.btn-primary:hover { filter: brightness(1.15); }

.btn-gold {
  background: var(--gold-500);
  color: var(--navy-950);
}
.btn-gold:hover { filter: brightness(1.08); }

.btn-outline {
  background: var(--white);
  color: var(--navy-900);
  border: 1px solid var(--slate-200);
}
.btn-outline:hover { background: var(--slate-100); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: var(--white);
  padding: 80px 24px 64px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(212, 160, 23, 0.4);
  background: rgba(212, 160, 23, 0.1);
  color: var(--gold-400);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 700;
}

.hero p.lede {
  color: var(--slate-200);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.search-box {
  background: var(--white);
  border-radius: 14px;
  padding: 8px;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  box-shadow: var(--shadow-lg);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--navy-900);
  background: transparent;
}

.search-box .btn { padding: 14px 28px; }

.hero-footnote {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--slate-500);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.search-error {
  margin-top: 16px;
  color: #fca5a5;
  font-size: 0.9rem;
  display: none;
}

/* ---------- Feature section ---------- */
.section {
  padding: 72px 24px;
}

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-heading .eyebrow {
  color: var(--gold-500);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading h2 {
  font-size: 2rem;
  margin: 10px 0 12px;
  color: var(--navy-900);
}

.section-heading p {
  color: var(--slate-600);
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.feature-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--slate-100);
  color: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--navy-900);
}

.feature-card p {
  color: var(--slate-600);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--slate-200);
  padding: 48px 24px 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  max-width: 1120px;
  margin: 0 auto 32px;
}

.footer-grid h4 {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin: 0 0 14px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-grid ul a {
  color: var(--slate-600);
  font-size: 0.92rem;
}
.footer-grid ul a:hover { color: var(--navy-900); }

.footer-grid p {
  color: var(--slate-600);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 8px 0 0;
}

.footer-bottom {
  max-width: 1120px;
  margin: 0 auto;
  border-top: 1px solid var(--slate-200);
  padding-top: 20px;
  font-size: 0.82rem;
  color: var(--slate-500);
  text-align: center;
}

/* ---------- Verify page ---------- */
.verify-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--slate-600);
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.back-link:hover { color: var(--navy-900); }

.verify-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 860px) {
  .verify-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
}

.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.profile-card { border-top: 4px solid var(--navy-900); }
.profile-card.status-verified { border-top-color: var(--green-600); }
.profile-card.status-expired { border-top-color: var(--red-600); }
.profile-card.status-suspended { border-top-color: var(--amber-600); }

.profile-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  flex-wrap: wrap;
}

.avatar {
  width: 88px;
  height: 88px;
  border-radius: 12px;
  background: var(--slate-100);
  color: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.profile-identity { flex: 1; min-width: 200px; }
.profile-identity h1 { font-size: 1.6rem; margin: 0 0 4px; }
.profile-identity .specialization { color: var(--slate-600); font-size: 1rem; margin-bottom: 10px; }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--slate-600);
  font-size: 0.88rem;
}
.meta-row span { display: inline-flex; align-items: center; gap: 6px; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.status-badge.verified { background: var(--green-50); color: var(--green-600); }
.status-badge.expired { background: var(--red-50); color: var(--red-600); }
.status-badge.suspended { background: var(--amber-50); color: var(--amber-600); }

.divider { border-top: 1px solid var(--slate-200); }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 28px;
}

.info-block h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-500);
  margin: 0 0 16px;
}

.field-label { font-size: 0.78rem; color: var(--slate-500); margin-bottom: 4px; }
.field-value {
  background: var(--slate-100);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
  margin-bottom: 14px;
}

.timeline-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.92rem;
}
.timeline-row span:first-child { color: var(--slate-500); }
.timeline-row span:last-child { font-weight: 600; }

.section-block { padding: 28px; }
.section-block h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  margin: 0 0 16px;
}

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--navy-900);
}
.tag.gold { background: rgba(212, 160, 23, 0.12); border-color: rgba(212, 160, 23, 0.35); color: #92700f; }

.cert-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.cert-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--navy-900);
}

.side-card { padding: 24px; text-align: center; }
.side-card h3 { font-family: var(--font-serif); font-size: 1.05rem; margin: 0 0 20px; }

#qr-canvas-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.blockchain-ref {
  background: var(--slate-100);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.78rem;
  color: var(--slate-500);
  margin-top: 10px;
}
.blockchain-ref strong {
  display: block;
  font-family: monospace;
  color: var(--navy-900);
  font-size: 0.88rem;
  margin-top: 4px;
}

.cert-panel {
  background: var(--navy-950);
  color: var(--white);
  border-radius: 14px;
  padding: 24px;
  margin-top: 16px;
}
.cert-panel h3 { font-family: var(--font-serif); margin: 0 0 8px; }
.cert-panel p { color: var(--slate-200); font-size: 0.88rem; line-height: 1.5; margin: 0 0 16px; }

/* ---------- Not found ---------- */
.not-found {
  text-align: center;
  padding: 100px 24px;
}
.not-found .icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--slate-100);
  color: var(--slate-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.not-found h1 { font-size: 1.8rem; margin: 0 0 12px; }
.not-found p { color: var(--slate-600); max-width: 480px; margin: 0 auto 28px; line-height: 1.6; }
.not-found code {
  background: var(--slate-100);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ---------- About page ---------- */
.about-hero {
  text-align: center;
  padding: 64px 24px 32px;
}
.about-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--slate-100);
  color: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.about-hero h1 { font-size: 2.2rem; margin: 0 0 16px; }
.about-hero p { color: var(--slate-600); max-width: 620px; margin: 0 auto; line-height: 1.6; font-size: 1.05rem; }

.about-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px 72px;
}

.about-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
  padding: 36px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}
.about-card h2 { font-size: 1.3rem; margin: 0 0 14px; }
.about-card p { color: var(--slate-600); line-height: 1.7; margin: 0 0 14px; }
.about-card p:last-child { margin-bottom: 0; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.stat-grid .stat { text-align: center; }
.stat-grid .stat .num { font-family: var(--font-serif); font-size: 1.8rem; color: var(--navy-900); font-weight: 700; }
.stat-grid .stat .label { font-size: 0.82rem; color: var(--slate-500); margin-top: 4px; }

@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; }
  .header-search { display: none; }
  .info-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
}