@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&display=swap");
@import url("font-awesome.min.css");

body[data-header="project"] {
  margin: 0;
  padding-top: var(--header-height, 88px);
  transition: padding-top 0.3s ease;
}

body[data-header="project"].fixed-width {
  margin-left: auto;
  margin-right: auto;
  --header-height: 120px;
  --header-height-shrink: 80px;
}

body.header-shrink[data-header="project"] {
  padding-top: var(--header-height-shrink, 64px);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: #fff;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  box-shadow: 0 12px 24px rgba(13, 23, 41, 0.1);
}

.skip-link:focus {
  left: 1rem;
  z-index: 2000;
}

.site-header {
  --header-height: 88px;
  --header-height-shrink: 64px;
  --header-border: #e1e6ef;
  --header-ink: #1e2530;
  --header-muted: #5a6676;
  --header-accent: #1b4b9a;

  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 12px 24px rgba(13, 23, 41, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  font-family: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-height);
  transition: padding 0.3s ease, min-height 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #fff;
  box-shadow: 0 8px 18px rgba(13, 23, 41, 0.12);
  transition: width 0.3s ease, height 0.3s ease;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--header-ink);
  transition: font-size 0.3s ease;
}

.brand-sub {
  font-size: 0.92rem;
  color: var(--header-muted);
  display: block;
  transition: font-size 0.3s ease;
}

.site-header.shrink {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header.shrink .header-inner {
  min-height: var(--header-height-shrink);
  padding: 0.75rem 2rem;
}

.site-header.shrink .brand img {
  width: 48px;
  height: 48px;
}

.site-header.shrink .brand-name {
  font-size: 1.02rem;
}

.site-header.shrink .brand-sub {
  font-size: 0.85rem;
}

.site-nav {
  display: flex;
  gap: 0.6rem;
  margin-left: auto;
}

.site-nav a {
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--header-border);
  background: #f5f7fb;
  color: var(--header-ink);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--header-accent);
  color: #fff;
  border-color: transparent;
}

@media (max-width: 720px) {
  body[data-header="project"] {
    padding-top: var(--header-height, 96px);
  }

  .header-inner {
    padding: 1rem 1.25rem;
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }
}