/* Solveniq header styles */

.sq-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background:
    radial-gradient(circle at top, rgba(212, 175, 55, 0.04), transparent 55%),
    rgba(5, 5, 9, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sq-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

/* Branding */
.sq-header__branding {
  display: flex;
  align-items: center;
}

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

.sq-header__logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 0%, #f5e7b2, var(--color-primary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: #111;
  box-shadow: var(--shadow-sm);
}

.sq-header__logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigation */
.sq-header__nav {
  display: flex;
  align-items: center;
}

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

.sq-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.25rem;
  padding-block: 0.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-base);
}

.sq-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-burgundy));
  transition: width var(--transition-base);
}

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

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

.sq-header__nav-item--cta .sq-header__nav-link--cta {
  padding-inline: 0.9rem;
  padding-block: 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(212, 175, 55, 0.6);
  background: rgba(8, 8, 16, 0.9);
  color: var(--color-primary-strong);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.7);
}

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

.sq-header__nav-item--cta .sq-header__nav-link--cta:hover {
  background: var(--color-primary-soft);
}

/* Mobile toggle */
.sq-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(8, 8, 16, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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

.sq-header__toggle-bar + .sq-header__toggle-bar {
  margin-top: 5px;
}

.sq-header__toggle--open .sq-header__toggle-bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.sq-header__toggle--open .sq-header__toggle-bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 767.98px) {
  .sq-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .sq-header__nav {
    position: absolute;
    inset-inline: 0;
    top: var(--nav-height);
    padding-inline: var(--space-4);
    padding-bottom: var(--space-4);
    background:
      radial-gradient(circle at top, rgba(212, 175, 55, 0.06), transparent 55%),
      rgba(5, 5, 9, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform-origin: top;
  }

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

  .sq-header__nav-link {
    padding-block: 0.45rem;
    font-size: var(--font-size-base);
  }

  /* Closed state by default when JS enhances */
  .sq-header.js-nav-enhanced .sq-header__nav {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: max-height var(--transition-slow), opacity var(--transition-base), transform var(--transition-base);
  }

  .sq-header.js-nav-enhanced .sq-header__nav--open {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .sq-header__nav-list {
    gap: var(--space-6);
  }
}