:root {
  --brand: #4f46e5;
  --brand-dark: #3730a3;
  --brand-soft: #eef2ff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --paper: #ffffff;
  --page: #f1f5f9;
  --ok: #059669;
  --ok-soft: #ecfdf5;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --radius: 20px;
  --font: Inter, "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 8% -8%, rgba(79, 70, 229, 0.12), transparent 55%),
    radial-gradient(720px 380px at 100% 0%, rgba(59, 130, 246, 0.1), transparent 50%),
    var(--page);
  min-height: 100vh;
  line-height: 1.5;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(241, 245, 249, 0.86);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand b {
  color: var(--brand);
  font-weight: 800;
}

.header-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  border-radius: 12px;
  padding: 10px 16px;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 24px rgba(79, 70, 229, 0.28);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  background: #f8fafc;
}

.hero-status {
  margin: 28px 0 20px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--ok-soft);
  border: 1px solid #a7f3d0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.hero-status > div {
  min-width: 0;
  flex: 1;
}

.hero-status .seal {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ok);
  color: #fff;
  display: grid;
  place-items: center;
}

.hero-status h1 {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.hero-status p {
  margin: 0;
  color: #047857;
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
  gap: 20px;
  align-items: start;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.person {
  padding: 28px;
}

.person-top {
  display: flex;
  gap: 16px;
  align-items: center;
}

.person-meta {
  min-width: 0;
}

.avatar {
  width: 72px;
  height: 72px;
  flex: 0 0 72px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #6366f1, #4f46e5);
  color: #fff;
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.35);
}

.person h2 {
  margin: 0 0 4px;
  font-size: 32px;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.person .sub {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  overflow-wrap: break-word;
}

.cert-id {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}

.cert-id span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.copy-id {
  border: 0;
  background: transparent;
  color: var(--brand);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  flex-shrink: 0;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.copy-icon {
  display: none;
  width: 18px;
  height: 18px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.fact {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
}

.fact span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fact strong {
  display: block;
  margin-top: 4px;
  font-size: 15px;
}

.timeline {
  margin-top: 20px;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(90deg, #eef2ff, #eff6ff);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tl-point,
.tl-mid {
  min-width: 0;
}

.tl-point span,
.tl-mid span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.tl-point strong,
.tl-mid strong {
  font-size: 15px;
}

.tl-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), #60a5fa);
}

.side {
  padding: 22px;
}

.qr-box {
  text-align: center;
}

.qr-box img {
  width: 180px;
  height: 180px;
  background: #fff;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.qr-box h3 {
  margin: 14px 0 6px;
  font-size: 16px;
}

.qr-box p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.section {
  margin-top: 20px;
  padding: 28px;
}

.section h3 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.section .lead {
  margin: 0 0 20px;
  color: var(--muted);
}

.modules {
  display: grid;
  gap: 10px;
}

.module {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.module .n {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.module h4 {
  margin: 0;
  font-size: 15px;
}

.module p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.module time {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 600;
}

.school-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.school-grid p {
  margin: 0 0 10px;
  color: #334155;
}

.meta-list {
  margin: 0;
  display: grid;
  gap: 8px;
  color: #334155;
  font-size: 14px;
}

.site-footer {
  margin-top: 36px;
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.not-found {
  margin: 48px auto;
  max-width: 560px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
}

.search {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.search input {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
}

@media (max-width: 860px) {
  .grid,
  .school-grid,
  .facts {
    grid-template-columns: 1fr;
  }

  .person {
    padding: 18px;
  }

  .person-top {
    gap: 12px;
    align-items: flex-start;
  }

  .avatar {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
    border-radius: 14px;
    font-size: 16px;
    box-shadow: 0 8px 16px rgba(79, 70, 229, 0.28);
  }

  .person h2 {
    font-size: 22px;
  }

  .person .sub {
    font-size: 13px;
  }

  .cert-id {
    font-size: 12px;
    padding: 10px 12px;
  }

  .copy-label {
    display: none;
  }

  .copy-icon {
    display: block;
  }

  .module {
    grid-template-columns: 42px 1fr;
  }

  .module time {
    grid-column: 2;
  }

  .header-label {
    display: none;
  }

  .header-actions .btn-primary {
    display: none;
  }

  .header-actions .btn {
    padding: 8px 12px;
    font-size: 14px;
  }

  .timeline {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 14px;
  }

  .tl-line {
    width: 2px;
    height: 10px;
    flex: none;
    margin-left: 0;
  }
}

@media print {
  body {
    background: #fff;
  }

  .site-header,
  .site-footer,
  .btn,
  .copy-id,
  .header-actions {
    display: none !important;
  }

  .card,
  .hero-status {
    box-shadow: none;
  }
}