/* Header styles for Cards & Beer */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(7, 11, 20, 0.98), rgba(7, 11, 20, 0.92));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.header-brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at top left, rgba(251, 191, 36, 0.35), transparent 65%),
              rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(251, 191, 36, 0.4);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
}

.logo-card,
.logo-beer {
  padding: 0.1rem 0.35rem;
  border-radius: 0.3rem;
  background-color: rgba(15, 23, 42, 0.95);
}

.logo-card {
  border: 1px solid rgba(248, 250, 252, 0.35);
}

.logo-beer {
  border: 1px solid rgba(251, 191, 36, 0.8);
}

.logo-amp {
  color: var(--color-primary);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--font-size-lg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

/* Navigation */

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-24);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-20);
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), #38bdf8);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--gray-50);
}

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

.nav-cta-wrapper {
  margin-left: var(--space-16);
}

.nav-cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.25rem;
}

/* Mobile nav toggle */

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle-box {
  position: relative;
  width: 1.4rem;
  height: 1.1rem;
}

.nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.nav-toggle-line-1 {
  top: 0;
}

.nav-toggle-line-2 {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-line-3 {
  bottom: 0;
}

.nav-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

/* Open state */

.site-header.is-nav-open .nav-toggle-line-1 {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.site-header.is-nav-open .nav-toggle-line-2 {
  opacity: 0;
}

.site-header.is-nav-open .nav-toggle-line-3 {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* Responsive behavior */

@media (max-width: 767px) {
  .header-inner {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .logo-tagline {
    display: none;
  }

  .primary-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding-inline: var(--space-16);
    padding-bottom: var(--space-16);
    background: radial-gradient(circle at top, rgba(251, 191, 36, 0.05), transparent 55%),
                rgba(7, 11, 20, 0.98);
    border-bottom: 1px solid rgba(15, 23, 42, 0.9);
    flex-direction: column;
    align-items: stretch;
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility 0s linear var(--transition-normal);
  }

  .site-header.is-nav-open .primary-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
    transition-delay: 0s;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding-top: var(--space-16);
    border-top: 1px solid rgba(31, 41, 55, 0.9);
  }

  .nav-link {
    padding-block: 0.35rem;
  }

  .nav-cta-wrapper {
    margin-left: 0;
    padding-top: var(--space-16);
    border-top: 1px dashed rgba(55, 65, 81, 0.9);
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (min-width: 768px) {
  .primary-nav {
    position: static;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
    padding: 0;
    background: none;
    border-bottom: 0;
  }
}