/* Header styles for Dutch Pipe Service */

.dps-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(8, 9, 12, 0.96), rgba(8, 9, 12, 0.9));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.dps-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Brand */
.dps-header__brand {
  display: flex;
  align-items: center;
}

.dps-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.dps-header__logo-mark {
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid rgba(212, 160, 74, 0.55);
  background: radial-gradient(circle at 30% 20%, rgba(242, 191, 92, 0.9), rgba(8, 9, 12, 0.9));
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.9), 0 8px 18px rgba(0, 0, 0, 0.85);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dps-header__logo-chip {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  border: 2px solid rgba(8, 9, 12, 0.95);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.dps-header__text {
  display: flex;
  flex-direction: column;
}

.dps-header__title {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.1vw, 1.35rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dps-header__subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Nav */
.dps-header__nav {
  display: flex;
  align-items: center;
}

.dps-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.dps-header__nav-item--highlight {
  margin-left: var(--space-2);
}

.dps-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.45rem 0.35rem;
}

.dps-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--color-primary-strong), transparent);
  transform-origin: center;
  transform: scaleX(0.5);
  opacity: 0;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.dps-header__nav-link:hover,
.dps-header__nav-link:focus-visible {
  color: var(--color-text);
}

.dps-header__nav-link:hover::after,
.dps-header__nav-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.dps-header__nav-link--cta {
  padding-inline: 1.1rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(212, 160, 74, 0.7);
  background: radial-gradient(circle at top left, rgba(212, 160, 74, 0.26), rgba(8, 9, 12, 0.9));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.7);
  color: #d8d8d8 !important;
}

.dps-header__nav-link--cta::after {
  display: none;
}

.dps-header__nav-link--cta:hover,
.dps-header__nav-link--cta:focus-visible {
  background: radial-gradient(circle at top left, rgba(242, 191, 92, 0.4), rgba(8, 9, 12, 1));
  color: #1a1308;
}

/* Mobile toggle */
.dps-header__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 9, 12, 0.9);
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.dps-header__toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast), translate var(--transition-fast);
}

.dps-header__toggle.is-active .dps-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.dps-header__toggle.is-active .dps-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.dps-header__toggle.is-active .dps-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .dps-header__inner {
    min-height: 3.75rem;
  }

  .dps-header__subtitle {
    display: none;
  }

  .dps-header__toggle {
    display: flex;
    flex-direction: column;
  }

  .dps-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 3.75rem;
    background: radial-gradient(circle at top left, rgba(104, 66, 0, 1), rgba(8, 9, 12, 1));
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
  }

  .dps-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

  .dps-header__nav-link {
    width: 100%;
    padding-block: 0.75rem;
  }

  .dps-header__nav-link--cta {
    width: auto;
  }

  .dps-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* Medium and up */
@media (min-width: 769px) {
  .dps-header__nav {
    position: static;
  }
}

/* Utility for body scroll lock when mobile nav is open */
.dps-header--nav-open {
  overflow: hidden;
}