.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 100;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding-block: 18px;
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header__logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: #fff; transition: color var(--transition); }
.site-header__logo img { height: 42px; width: auto; }
.site-header__logo span { line-height: 1.1; }

.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 10px 14px; border-radius: var(--radius-sm); font-weight: 500; font-size: 0.98rem; color: rgba(255,255,255,0.9); transition: color var(--transition), background var(--transition); }
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.12); }
.main-nav a.is-active { color: #fff; }
.main-nav a.is-active::after { content: ""; display: block; height: 2px; background: var(--color-accent); margin-top: 4px; border-radius: 2px; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-tel { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: #fff; }
.header-tel svg { width: 18px; height: 18px; }

.main-nav__close { display: none; position: absolute; top: 22px; right: 22px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.1); color: #fff; place-items: center; }
.main-nav__close svg { width: 24px; height: 24px; }

/* Scrolled / solid header (op witte pagina's of na scroll) */
.site-header.is-solid { background: var(--color-paper); box-shadow: var(--shadow-sm); padding-block: 12px; }
.site-header.is-solid .site-header__logo,
.site-header.is-solid .header-tel { color: var(--color-ink); }
.site-header.is-solid .main-nav a { color: var(--color-ink-soft); }
.site-header.is-solid .main-nav a:hover { background: var(--color-paper-warm); color: var(--color-ink); }
.site-header.is-solid .hamburger__line { background: var(--color-ink); }
.site-header.is-solid .hamburger__txt { color: var(--color-ink); }

/* Hamburger met MENU-label (streep / MENU / streep) */
.hamburger { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 6px 8px; }
.hamburger__line { display: block; height: 2.5px; width: 30px; background: #fff; border-radius: 2px; }
.hamburger__txt { font-family: var(--font-body); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.12em; color: #fff; line-height: 1; }

@media (max-width: 940px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(82vw, 360px);
    background: var(--color-ink); padding: 88px 28px 40px;
    transform: translateX(100%); transition: transform var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav__close { display: grid; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { color: rgba(255,255,255,0.92); font-size: 1.1rem; padding: 14px 16px; }
  .main-nav a.is-active::after { display: none; }
  .main-nav a.is-active { background: rgba(255,255,255,0.1); }
  .header-tel span { display: none; }
  /* Telefoon als groter rond icoon-knop op mobiel */
  .header-tel { width: 46px; height: 46px; justify-content: center; border-radius: 50%; background: var(--color-accent-soft); }
  .site-header.is-solid .header-tel { color: var(--color-accent-dark); }
  .header-tel svg { width: 24px; height: 24px; }
  /* Offerte-knop blijft op mobiel zichtbaar in de header, naast het telefoontje */
  .header-cta { display: inline-flex; padding: 11px 16px; font-size: 0.92rem; }
  .header-actions { gap: 10px; }
  .site-header__logo img { height: 38px; }
  .nav-overlay { position: fixed; inset: 0; background: rgba(20,21,23,0.5); opacity: 0; visibility: hidden; transition: opacity var(--transition); z-index: 99; }
  .nav-overlay.is-open { opacity: 1; visibility: visible; }
}