:root {
  --primary: #ffffff;
  --secondary: #0d2c62;
  --tertiary: #68d9f4;
  --text: #10264f;
  --surface: #f8fbff;
  --border: #d6e2f3;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Roboto", sans-serif;
  color: var(--text);
  background: var(--primary);
  min-height: 100%;
  line-height: 1.5;
}

.page-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 1rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.3rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
}

.brand {
  font-family: "Roboto", sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--secondary);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 0.5rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.45rem 0.7rem;
  border-radius: 6px;
  border: 1px solid transparent;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  background: #eef5ff;
  border-color: var(--border);
}

.hero {
  margin-bottom: 1.2rem;
  padding: 1rem;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1rem;
  align-items: center;
}

.hero-figure {
  margin: 0;
  display: flex;
  justify-content: center;
}

.hero-figure img {
  width: min(320px, 100%);
  height: auto;
}

h1 {
  margin: 0;
  font-family: "Roboto", sans-serif;
  color: var(--secondary);
  font-size: clamp(1.45rem, 3.2vw, 2.6rem);
  line-height: 1.2;
}

.hero-actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--secondary);
}

.btn-primary {
  background: var(--secondary);
  color: var(--primary);
}

.btn-primary:hover {
  background: #123777;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem;
}

.card h2 {
  margin: 0 0 0.5rem;
  font-family: "Roboto", sans-serif;
  font-size: 1.05rem;
  color: var(--secondary);
}

.people-section {
  margin-top: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem;
}

.people-section h2 {
  margin: 0 0 0.8rem;
  font-family: "Roboto", sans-serif;
  font-size: 1.05rem;
  color: var(--secondary);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.person-card {
  background: #fcfeff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem;
}

.person-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #eaf4ff;
  margin-bottom: 0.45rem;
}

.person-icon svg {
  width: 38px;
  height: 38px;
  fill: var(--secondary);
}

.person-role {
  margin: 0;
  font-weight: 700;
  color: var(--secondary);
}

.person-name {
  margin: 0.2rem 0 0;
  color: var(--text);
}

.person-email {
  display: inline-block;
  margin-top: 0.2rem;
  color: #1e5aa8;
  text-decoration: none;
}

.person-email:hover {
  text-decoration: underline;
}

.tabs-panel {
  background: var(--primary);
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 0.9rem;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.tab-button {
  border: 1px solid var(--border);
  background: #f1f7ff;
  color: var(--secondary);
  font-weight: 600;
  border-radius: 6px;
  padding: 0.5rem 0.82rem;
  cursor: pointer;
}

.tab-button:hover,
.tab-button:focus-visible {
  outline: none;
  border-color: var(--tertiary);
}

.tab-button.active {
  background: var(--secondary);
  color: var(--primary);
  border-color: var(--secondary);
}

.tab-pane {
  border-radius: 6px;
  padding: 0.8rem;
  background: #fcfeff;
  border: 1px solid var(--border);
}

.tab-pane h2 {
  margin: 0 0 0.4rem;
  font-family: "Roboto", sans-serif;
  color: var(--secondary);
}

@media (max-width: 760px) {
  .page-shell {
    padding: 0.8rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .people-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 0.9rem;
  }
}