/* TECH VOORTEX Header Styles - builds on base.css */

.tv-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

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

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

.tv-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: radial-gradient(circle at 20% 0, rgba(245, 196, 81, 0.6), transparent 55%),
              radial-gradient(circle at 80% 120%, rgba(239, 68, 68, 0.7), transparent 55%),
              #05070b;
  border: 1px solid rgba(245, 196, 81, 0.6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-primary);
  position: relative;
  overflow: hidden;
}

.tv-header__logo-chip {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.85);
  position: relative;
}

.tv-header__logo-chip::before,
.tv-header__logo-chip::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px dashed rgba(245, 196, 81, 0.7);
}

.tv-header__logo-chip::after {
  inset: 8px;
  border-style: solid;
  border-color: rgba(245, 196, 81, 0.9);
}

.tv-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.tv-header__logo-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tv-header__logo-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Navigation layout */

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

.tv-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

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

.tv-header__nav-cta {
  margin-left: var(--space-4);
}

/* Mobile menu toggle */

.tv-header__menu-toggle {
  display: none;
  color: var(--color-text);
}

.tv-header__menu-toggle-inner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(5, 7, 11, 0.9);
}

.tv-header__menu-label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tv-header__menu-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

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

/* Icon animation when open */

.tv-header--menu-open .tv-header__menu-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.tv-header--menu-open .tv-header__menu-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile layout */

@media (max-width: 900px) {
  .tv-header__menu-toggle {
    display: inline-flex;
  }

  .tv-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, #0b0f18, #020308 70%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-fast);
  }

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

  .tv-header__nav-cta {
    margin-left: 0;
    margin-top: var(--space-3);
    width: 100%;
  }

  .tv-header__nav-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .tv-header--menu-open .tv-header__nav {
    opacity: 1;
    visibility: visible;
    transform: scaleY(1);
  }
}

/* Medium+ layout adjustments */

/* Remove intricate logo decorations on small screens to avoid overlap */
@media (max-width: 768px) {
  .tv-header__logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .tv-header__logo-chip::before,
  .tv-header__logo-chip::after {
    display: none;
  }

  /* Ensure header remains above hero content */
  .tv-header {
    z-index: 9999;
    background: rgba(5,7,11,0.6);
    backdrop-filter: blur(4px);
  }
}

@media (min-width: 901px) {
  .tv-header__nav-list {
    padding: 0;
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  .tv-header__nav {
    transition: none;
  }

  .tv-header__menu-bar {
    transition: none;
  }
}