.app-header {
  position: sticky;
  top: 12px;
  z-index: 30;
  margin: 16px;
  border-radius: 26px;
  background:
    radial-gradient(circle at top left, rgba(240, 98, 146, 0.14), transparent 24%),
    radial-gradient(circle at top right, rgba(108, 124, 255, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 253, 252, 0.86), rgba(255, 248, 251, 0.86));
  backdrop-filter: blur(20px);
}

.app-header-inner,
.app-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 26px;
}

.app-brand,
.app-footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.app-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  overflow: hidden;
  background-image: url("../../assets/images/brand/logo.png?v=20260327-asset1");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: var(--shadow-pill);
}

.app-brand-copy {
  display: grid;
  gap: 2px;
}

.app-brand-copy small {
  color: var(--color-dark-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.app-nav-link {
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  color: rgba(32, 41, 58, 0.86);
  text-decoration: none;
  font-weight: 700;
}

.app-nav-link:hover {
  background: rgba(108, 124, 255, 0.08);
  color: var(--color-dark);
}

.app-footer {
  padding: 32px 0 48px;
}

.app-footer-inner {
  padding-top: 0;
  padding-bottom: 0;
}

.app-footer-brand-block {
  display: grid;
  gap: 6px;
}

.app-footer-copy {
  margin: 0;
  max-width: 520px;
  color: var(--color-dark-soft);
}

@media (max-width: 860px) {
  .app-header {
    position: static;
  }

  .app-header-inner,
  .app-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-nav {
    width: 100%;
  }
}