/* ============================================================
   Header chrome
   ============================================================ */
.drsf-skip-link:focus {
  position: fixed; top: 12px; left: 12px;
  width: auto; height: auto; clip: auto;
  background: #fff; color: var(--drsf-green);
  padding: 10px 16px; border-radius: 8px; z-index: 1001;
}

.drsf-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--drsf-green);
  transition: box-shadow 0.3s var(--drsf-ease), background 0.3s var(--drsf-ease);
}
.drsf-header.is-scrolled {
  box-shadow: 0 8px 30px -16px rgba(0,0,0,0.5);
  background: var(--drsf-green-deep);
}
.drsf-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--drsf-header-h);
}
.drsf-header__logo { display: flex; align-items: center; }
.drsf-header__logo img { width: auto; height: 34px; }

.drsf-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 36px);
}
.drsf-menu {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 30px);
  list-style: none;
  margin: 0; padding: 0;
}
.drsf-menu a {
  color: var(--drsf-on-dark);
  font-weight: 500;
  font-size: 0.98rem;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s var(--drsf-ease);
}
.drsf-menu a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--drsf-yellow);
  transition: right 0.3s var(--drsf-ease);
}
.drsf-menu a:hover::after,
.drsf-menu .current-menu-item > a::after { right: 0; }
.drsf-menu .current-menu-item > a { color: #fff; }

.drsf-nav__cta { padding: 0.65em 1.3em; font-size: 0.95rem; }

/* Burger */
.drsf-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: transparent; border: 0; cursor: pointer;
  padding: 10px;
}
.drsf-burger span {
  display: block; height: 2px; width: 100%;
  background: #fff; border-radius: 2px;
  transition: transform 0.3s var(--drsf-ease), opacity 0.3s var(--drsf-ease);
}
.drsf-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.drsf-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.drsf-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
@media (max-width: 960px) {
  .drsf-burger { display: flex; }
  /* Keep logo + burger clickable above the full-height drawer */
  .drsf-header__logo, .drsf-burger { position: relative; z-index: 2; }
  .drsf-nav {
    position: fixed;
    inset: 0 0 0 auto;            /* full height — no gap above the menu */
    z-index: 1;
    width: min(86vw, 340px);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--drsf-green-deep);
    padding: calc(var(--drsf-header-h) + 16px) var(--drsf-gutter) 32px; /* clear the header bar */
    transform: translateX(110%);
    transition: transform 0.4s var(--drsf-ease);
    overflow-y: auto;
    box-shadow: -20px 0 60px -30px rgba(0,0,0,0.6);
  }
  .drsf-nav.is-open { transform: translateX(0); }
  .drsf-menu { flex-direction: column; align-items: stretch; gap: 2px; }
  .drsf-menu a { display: block; padding: 14px 0; font-size: 1.1rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .drsf-menu a::after { display: none; }
  .drsf-nav__cta { margin-top: 18px; justify-content: center; }
  body.drsf-nav-open { overflow: hidden; }
}