/* Shine Car Studio - Header Styles */

.scs-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: linear-gradient(90deg, rgba(5, 7, 10, 0.92), rgba(10, 14, 22, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.scs-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

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

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

.scs-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #58a6ff 0, #1f6feb 26%, #111827 70%, #020308 100%);
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.6), 0 10px 25px rgba(15, 23, 42, 0.8);
  position: relative;
}

.scs-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 26%;
  border-radius: inherit;
  border: 1px solid rgba(248, 250, 252, 0.4);
  box-shadow: inset 0 0 18px rgba(15, 23, 42, 0.75);
}

.scs-header__brand-text {
  display: flex;
  flex-direction: column;
}

.scs-header__brand-title {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.scs-header__brand-tagline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Navigation */
.scs-header__nav {
  margin-left: auto;
}

.scs-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.scs-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-block: 0.25rem;
}

.scs-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #1f6feb, #58a6ff);
  transition: width var(--transition-normal);
}

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

.scs-header__nav-link:hover::after,
.scs-header__nav-link:focus-visible::after {
  width: 100%;
}

.scs-header__nav-item--cta {
  margin-left: var(--space-2);
}

.scs-header__nav-link--cta {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(88, 166, 255, 0.8);
  background: radial-gradient(circle at 0 0, rgba(88, 166, 255, 0.2), transparent 60%), rgba(8, 11, 19, 0.98);
  color: #e5f0ff;
  box-shadow: 0 10px 24px rgba(15, 76, 166, 0.55);
}

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

.scs-header__nav-link--cta:hover,
.scs-header__nav-link--cta:focus-visible {
  background: radial-gradient(circle at 100% 0, rgba(88, 166, 255, 0.28), transparent 65%), rgba(10, 15, 24, 0.98);
  border-color: rgba(88, 166, 255, 1);
}

/* Mobile toggle */
.scs-header__toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.85);
}

.scs-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.scs-header__toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.scs-header__toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-200);
  transition: transform var(--transition-normal), opacity var(--transition-fast), translate var(--transition-fast);
}

.scs-header__toggle-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Toggle active state */
.scs-header__toggle[aria-expanded="true"] .scs-header__toggle-line:nth-child(1) {
  transform: rotate(42deg) translateY(5px);
}

.scs-header__toggle[aria-expanded="true"] .scs-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.scs-header__toggle[aria-expanded="true"] .scs-header__toggle-line:nth-child(3) {
  transform: rotate(-42deg) translateY(-5px);
}

/* Mobile layout */
@media (max-width: 864px) {
  .scs-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .scs-header__brand-tagline {
    display: none;
  }

  .scs-header__toggle {
    display: inline-flex;
  }

  .scs-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), rgba(5, 7, 10, 0.98));
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    transform-origin: top;
    transform: scaleY(1);
  }

  /* default: visible for no-JS; JS will add .is-collapsed */
  .scs-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-2);
  }

  .scs-header__nav-item--cta {
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .scs-header__nav-link {
    padding-block: 0.35rem;
  }

  .scs-header__nav-link--cta {
    justify-content: center;
  }

  .scs-header__nav.is-collapsed {
    max-height: 0;
    overflow: hidden;
    border-bottom-width: 0;
  }

  .scs-header__nav.is-open {
    max-height: 420px;
    transition: max-height var(--transition-slow);
  }
}

@media (min-width: 865px) {
  .scs-header__nav {
    position: static;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scs-header__nav.is-open {
    transition: none;
  }
}