/* ============================================================
   Singdia — Header
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(251, 245, 236, 0);
  transition: background 0.25s ease, backdrop-filter 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  align-items: center;
}
.site-header.is-scrolled {
  background: rgba(251, 245, 236, 0.88);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 rgba(107, 18, 49, 0.08);
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  position: relative;
}
.site-header__logo:hover { opacity: 0.85; }

.site-header__logo-img {
  height: 26px;
  width: auto;
  display: block;
  transition: opacity 0.25s ease;
}
/* Top (no header bg) → white wordmark; scrolled (cream glass) → dark wordmark */
.site-header__logo-img--on-light {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
.site-header.is-scrolled .site-header__logo-img--on-dark { opacity: 0; }
.site-header.is-scrolled .site-header__logo-img--on-light { opacity: 1; }

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-header__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.site-header__link:hover { color: var(--maroon); }

.site-header__cta {
  /* Uses .btn .btn--primary .btn--sm */
}

/* Mobile */
@media (max-width: 768px) {
  .site-header {
    height: var(--header-h-mobile);
  }
  .site-header__inner {
    padding: 0 18px;
  }
  .site-header__logo-img {
    height: 22px;
  }
  .site-header__nav-links {
    display: none;
  }
  .site-header__nav {
    gap: 0;
  }
}