/* ==========================================================================
 * HEADER – Drillrock (CLEAN / SINGLE SOURCE)
 * Desktop header + search + quote + breadcrumbs + mobile drawer burger
 * ========================================================================== */

/* =========================
 * Sticky hardening (Drupal)
 * =========================
 * Sticky can break if any ancestor has overflow: hidden/auto or transform.
 * In Drupal, .dialog-off-canvas-main-canvas may affect this.
 */
.dialog-off-canvas-main-canvas {
  overflow: visible;
  position: relative;
}

/* Prevent horizontal scroll from drawer transforms (safe) */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

/* =========================
 * HEADER BAR
 * ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1002; /* above content */
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
}

.header-top {
  padding-block: 0.5rem;
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

/* =========================
 * BRANDING
 * ========================= */

.header-branding {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-branding .region-header-branding {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

#block-drillrock-site-branding {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

#block-drillrock-site-branding .site-logo img {
  display: block;
  max-height: 40px;
}

#block-drillrock-site-branding .site-name {
  font-size: 1.05rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-primary);
}

#block-drillrock-site-branding .site-name a {
  color: inherit;
  text-decoration: none;
}

#block-drillrock-site-branding .site-name a:hover {
  text-decoration: underline;
}

#block-drillrock-site-branding .site-slogan {
  margin-top: 2px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* =========================
 * NAVIGATION + SEARCH + QUOTE (DESKTOP)
 * ========================= */

.header-nav {
  flex: 1 1 auto;
}

.header-nav .region-header-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-lg);
}

/* MAIN MENU */

#block-drillrock-mainnavigation {
  display: flex;
  align-items: center;
}

#block-drillrock-mainnavigation .menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

#block-drillrock-mainnavigation .menu-item {
  margin: 0;
}

#block-drillrock-mainnavigation a {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 500;
  padding-block: 0.25rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.15s ease;
}

#block-drillrock-mainnavigation a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-primary);
  transition: width 0.2s ease;
}

#block-drillrock-mainnavigation a:hover {
  color: var(--color-text-main);
  transform: translateY(-1px);
}

#block-drillrock-mainnavigation a:hover::after,
#block-drillrock-mainnavigation a.is-active::after {
  width: 100%;
}

#block-drillrock-mainnavigation a.is-active {
  color: var(--color-primary);
}

/* SEARCH */

#block-drillrock-search-form-wide {
  flex: 0 0 260px;
  display: flex;
  align-items: center;
}

#block-drillrock-search-form-wide form {
  width: 100%;
  display: flex;
}

#block-drillrock-search-form-wide .form-item-keys {
  flex: 1 1 auto;
  margin: 0;
}

#block-drillrock-search-form-wide input[type="search"] {
  width: 100%;
  padding: 0.45rem 0.9rem;
  border-radius: 999px 0 0 999px;
  border: 1px solid var(--color-input-border);
  border-right: none;
  background-color: var(--color-input-bg);
  font-size: var(--text-sm);
  color: var(--color-text-main);
}

#block-drillrock-search-form-wide .form-actions {
  margin: 0;
}

#block-drillrock-search-form-wide .form-actions .button {
  padding: 0.45rem 0.9rem;
  border-radius: 0 999px 999px 0;
  border: 1px solid var(--color-input-border);
  border-left: none;
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

#block-drillrock-search-form-wide .form-actions .button:hover {
  background-color: #111322;
  box-shadow: 0 4px 10px rgba(3, 2, 19, 0.35);
  transform: translateY(-1px);
}

/* QUOTE CTA */

#block-drillrock-quotelink {
  display: flex;
  align-items: center;
}

#block-drillrock-quotelink .quote-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  height: 40px;
  padding-inline: 1.2rem;
  border-radius: 999px;
  border: none;
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(3, 2, 19, 0.35);
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

#block-drillrock-quotelink .quote-link span#quote-counter {
  font-weight: 600;
  margin-left: 0.25rem;
}

#block-drillrock-quotelink .quote-link:hover {
  background-color: #111322;
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(3, 2, 19, 0.45);
}

/* =========================
 * BREADCRUMBS / HEADER BOTTOM
 * ========================= */

.header-bottom {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
}

.header-bottom__inner {
  padding-block: 1.5rem;
}

.header-bottom__inner nav,
.header-bottom__inner .breadcrumb,
.header-bottom__inner .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* =========================
 * ADAPTIVE (desktop tighten)
 * ========================= */

@media (max-width: 1024px) {
  .header-top__inner { gap: var(--space-md); }
  .header-nav .region-header-nav { gap: var(--space-md); }
  #block-drillrock-mainnavigation .menu { gap: var(--space-md); }
  #block-drillrock-search-form-wide { flex: 0 1 220px; }
}

/* ======================================================================
 * MOBILE MENU (DRAWER) – ONLY ONE IMPLEMENTATION
 * ====================================================================== */

/* Burger button (desktop: hidden) */
.header-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: var(--color-text-main);
}

/* Icon (3 lines) */
.header-burger__lines {
  width: 22px;
  height: 2px;
  background: currentColor;
  display: block;
  position: relative;
  border-radius: 2px;
  transition: background 0.2s ease;
}

.header-burger__lines::before,
.header-burger__lines::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, top 0.2s ease;
}

.header-burger__lines::before { top: -7px; }
.header-burger__lines::after  { top:  7px; }

/* Backdrop base (hidden by default) */
.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(2px);
  z-index: 2000;
  display: none;
}

/* Close button base (hidden on desktop) */
.mobile-menu-close {
  display: none;
}

/* Mobile drawer behaviour */
@media (max-width: 992px) {

  .header-burger { display: inline-flex; }

  body.nav-open { overflow: hidden; }

  /* Backdrop visible when open */
  body.nav-open .mobile-menu-backdrop { display: block; }

  /* Drawer panel */
  .header-nav {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh; /* better on mobile (address bar) */
    width: min(92vw, 360px);
    padding: 18px 16px 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: -18px 0 40px rgba(0,0,0,.18);
    transform: translate3d(100%,0,0);
    transition: transform 0.25s ease;
    z-index: 2001; /* above backdrop */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  body.nav-open .header-nav {
    transform: translate3d(0,0,0);
  }

  /* Close button inside drawer */
  .mobile-menu-close {
    display: inline-flex;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,.12);
    background: rgba(255,255,255,.92);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 28px;
    line-height: 1;
    z-index: 2;
  }

  .mobile-menu-close:hover {
    background: #fff;
  }

  /* Stack region blocks */
  .header-nav .region-header-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    justify-content: flex-start;
    padding-top: 56px; /* space for close button */
  }

  /* Menu vertical */
  #block-drillrock-mainnavigation .menu {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  #block-drillrock-mainnavigation .menu a {
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--color-surface-alt);
    transform: none;
  }

  #block-drillrock-mainnavigation a::after {
    display: none;
  }

  /* Search full width */
  #block-drillrock-search-form-wide {
    flex: 1 1 auto;
    width: 100%;
  }

  /* Quote full width */
  #block-drillrock-quotelink .quote-link {
    width: 100%;
    min-width: 0;
  }

  /* Burger -> X animation */
  body.nav-open .header-burger__lines {
    background: transparent;
  }
  body.nav-open .header-burger__lines::before {
    top: 0;
    transform: rotate(45deg);
  }
  body.nav-open .header-burger__lines::after {
    top: 0;
    transform: rotate(-45deg);
  }
}

/* Small phones */
@media (max-width: 480px) {
  #block-drillrock-site-branding .site-name { font-size: 0.95rem; }
  #block-drillrock-site-branding .site-logo img { max-height: 36px; }
}