/* frontend/css/components.css */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eaeaea;
}
.site-header__inner { display: flex; justify-content: space-between; align-items: center; padding-block: var(--space-1); }
.site-header nav a { margin-left: var(--space-2); font-size: var(--font-size-small); }
.site-header nav a:hover { color: var(--color-accent); }

main p a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.15s ease;
}
main p a:hover,
main p a:focus-visible {
  text-decoration-color: currentColor;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-accent); color: #fff; padding: var(--space-1) var(--space-2);
}
.skip-link:focus { left: var(--space-2); z-index: 100; }

.hero { text-align: center; padding-block: var(--space-5); }
.hero__avatar { border-radius: 50%; object-fit: cover; margin-inline: auto; margin-bottom: var(--space-3); }
.hero__role { color: var(--color-text-muted); margin-bottom: var(--space-3); }
.hero__tagline { max-width: 480px; margin-inline: auto; margin-bottom: var(--space-3); color: #48484a; }

.cta {
  display: inline-block; border: 1px solid var(--color-text);
  padding: 0.65rem 1.4rem; border-radius: 980px; font-size: var(--font-size-small); font-weight: 500;
}
.cta:hover { background: var(--color-text); color: #fff; }
.cta--secondary { border-color: var(--color-accent); color: var(--color-accent); margin-top: var(--space-2); }
.cta--secondary:hover { background: var(--color-accent); color: #fff; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-2); }
.card { padding: var(--space-2); border: 1px solid #eaeaea; border-radius: var(--radius-md); transition: transform 0.15s ease, box-shadow 0.15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.card h3 { margin-bottom: var(--space-1); font-size: 1.05rem; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--space-2); margin-block: var(--space-3); }
.stat { text-align: center; }
.stat__number { display: block; font-size: 2rem; font-weight: 700; color: var(--color-accent); }
.stat__label { font-size: var(--font-size-small); color: var(--color-text-muted); }

.timeline { position: relative; padding-left: var(--space-3); border-left: 2px solid var(--color-accent); }
.timeline__item { margin-bottom: var(--space-3); position: relative; }
.timeline__item::before {
  content: ''; position: absolute; left: calc(-1 * var(--space-3) - 5px); top: 4px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--color-accent);
}
.timeline__date { display: block; font-size: var(--font-size-small); color: var(--color-text-muted); }
.timeline__item--condensed p { font-size: var(--font-size-small); }

.badge-list, .reference-list { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.badge { background: var(--color-bg-alt); border-radius: var(--radius-md); padding: 0.35rem 0.75rem; font-size: var(--font-size-small); }
.reference-list li { color: var(--color-text-muted); font-size: var(--font-size-small); padding: 0.35rem 0.75rem; }
.reference-list li:hover { color: var(--color-text); }

.contact-form { display: flex; flex-direction: column; gap: var(--space-1); max-width: 480px; }
.contact-form input, .contact-form textarea {
  padding: 0.6rem; border: 1px solid #d1d1d6; border-radius: 8px;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--color-accent); }
.contact-form button { align-self: flex-start; margin-top: var(--space-1); cursor: pointer; background: none; }

@media (max-width: 768px) {
  .timeline { padding-left: var(--space-2); }
}