/* Header styles for GYTIS & VARENA LTD */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}

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

.site-header__branding {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gray-900);
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #e3edf8 32%, #145da0 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.site-header__logo-icon {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 999px;
}

.site-header__logo-icon--heat {
  background: linear-gradient(135deg, var(--color-accent-warm), #ffb15f);
  bottom: -4px;
  left: 4px;
}

.site-header__logo-icon--cool {
  background: linear-gradient(135deg, var(--color-accent-teal), #7be2e8);
  top: -4px;
  right: 4px;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-header__brand-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Navigation */

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

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

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

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.1rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-teal), var(--color-primary));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

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

.site-header__nav-link--cta {
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-accent-warm), #ffb15f);
  color: #1b2836;
  box-shadow: var(--shadow-sm);
}

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

.site-header__nav-link--cta:hover {
  box-shadow: var(--shadow-md);
}

.site-header__nav-link--outline {
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.site-header__nav-link--outline::after {
  display: none;
}

.site-header__nav-link--outline:hover {
  background-color: var(--color-primary-soft);
}

.site-header__nav-cta-label {
  font-weight: 600;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Mobile menu toggle */

.site-header__menu-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-gray-200);
  background-color: #ffffff;
  color: var(--color-gray-800);
  cursor: pointer;
}

.site-header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.site-header__menu-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-800);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.site-header__menu-toggle-text {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__menu-toggle:focus-visible {
  outline: 3px solid var(--color-accent-teal);
  outline-offset: 2px;
}

/* Mobile layout */

@media (max-width: 900px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__brand-name {
    font-size: 0.9rem;
  }

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

  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-2);
  }

  .site-header__nav-link,
  .site-header__nav-link--cta,
  .site-header__nav-link--outline {
    width: 100%;
    justify-content: flex-start;
  }

  .site-header__nav-item--cta,
  .site-header__nav-item--contact {
    margin-left: 0;
  }

  .site-header__nav-open {
    opacity: 1;
    transform: scaleY(1);
    visibility: visible;
    pointer-events: auto;
  }

  .site-header__menu-toggle--active .site-header__menu-toggle-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }

  .site-header__menu-toggle--active .site-header__menu-toggle-line:nth-child(2) {
    opacity: 0;
  }

  .site-header__menu-toggle--active .site-header__menu-toggle-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }
}

/* Medium & up */

@media (min-width: 901px) {
  .site-header__nav {
    position: static;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
    box-shadow: none;
  }
}