/* Header styles for Tryhardgg Solutions Limited */

.gtm-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

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

.gtm-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.gtm-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: inherit;
}

.gtm-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #38bdf8 0, transparent 45%),
              radial-gradient(circle at 70% 80%, #2f855a 0, transparent 55%),
              var(--color-primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.gtm-header__logo-mark .fa-leaf {
  font-size: 1rem;
}

.gtm-header__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.gtm-header__site-name {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.gtm-header__tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */

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

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

.gtm-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  padding: 0.35rem 0;
}

.gtm-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-sky));
  transition: width var(--transition-base) ease;
}

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

.gtm-header__nav-item--cta .gtm-header__nav-link--cta {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.gtm-header__nav-item--cta .gtm-header__nav-link--cta:hover {
  box-shadow: var(--shadow-lg);
}

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

/* Mobile toggle */

.gtm-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.gtm-header__toggle-icon,
.gtm-header__toggle-icon::before,
.gtm-header__toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base) ease, opacity var(--transition-base) ease;
  position: relative;
}

.gtm-header__toggle-icon::before,
.gtm-header__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.gtm-header__toggle-icon::before {
  transform: translateY(-6px);
}

.gtm-header__toggle-icon::after {
  transform: translateY(6px);
}

.gtm-header__toggle[aria-expanded="true"] .gtm-header__toggle-icon {
  background-color: transparent;
}

.gtm-header__toggle[aria-expanded="true"] .gtm-header__toggle-icon::before {
  transform: rotate(45deg);
}

.gtm-header__toggle[aria-expanded="true"] .gtm-header__toggle-icon::after {
  transform: rotate(-45deg);
}

/* Responsive behavior */

@media (max-width: 768px) {
  .gtm-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .gtm-header__tagline {
    display: none;
  }

  .gtm-header__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .gtm-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
  }

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

  .gtm-header__nav-link {
    width: 100%;
    padding: 0.5rem 0;
  }

  /* Hide nav by default for small screens; JS removes this class */
  .gtm-header__nav--collapsed {
    display: none;
  }

  .gtm-header__nav--open {
    display: block;
  }

  .gtm-header__nav-item--cta {
    width: 100%;
    margin-top: var(--space-1);
  }

  .gtm-header__nav-item--cta .gtm-header__nav-link--cta {
    width: 100%;
    text-align: center;
  }
}

@media (min-width: 769px) {
  .gtm-header__nav {
    position: static;
  }

  .gtm-header__nav-list {
    padding: 0;
  }
}

/* Utility when menu is open to prevent body scroll (opt-in from JS) */
.gtm-no-scroll {
  overflow: hidden;
}