/* Header styles for SMART PICK ZZONE */

.spz-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.85));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.spz-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.spz-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
}

.spz-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: radial-gradient(circle at 20% 0, rgba(255, 255, 255, 0.16), transparent 60%),
              radial-gradient(circle at 0 100%, #ff3b7f, transparent 70%),
              radial-gradient(circle at 100% 0, #3ed7a8, transparent 70%),
              #050509;
  box-shadow: var(--shadow-md);
}

.spz-header__logo-text {
  white-space: nowrap;
}

.spz-header__nav {
  display: flex;
  align-items: center;
}

.spz-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.spz-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.35rem 0;
}

.spz-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff3b7f, #ff784e);
  transition: width var(--transition-normal);
}

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

.spz-header__nav-link--cta {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle at 0 0, rgba(255, 59, 127, 0.4), transparent 60%),
              rgba(16, 16, 25, 0.96);
  box-shadow: var(--shadow-sm);
}

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

.spz-header__nav-item--highlight .spz-header__nav-link--cta:hover,
.spz-header__nav-item--highlight .spz-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, #ff3b7f, #ff784e);
  color: #fff;
}

/* Mobile toggle */
.spz-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background-color: rgba(5, 5, 9, 0.9);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.spz-header__toggle-bar {
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 999px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.spz-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Open state */
.spz-header--menu-open .spz-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.spz-header--menu-open .spz-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.spz-header--menu-open .spz-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 900px) {
  .spz-header__toggle {
    display: inline-flex;
  }

  .spz-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: radial-gradient(circle at top, rgba(255, 59, 127, 0.15), transparent 55%),
                rgba(5, 5, 9, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

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

  .spz-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

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

@media (max-width: 520px) {
  .spz-header__logo-text {
    font-size: 0.7rem;
  }
}