/* ============================================
   HEADER COMPONENT (REFACTORED)
   ============================================ */

.header {
  background-color: var(--color-bg-primary);
  border-bottom: var(--border-width-base) solid #0b0b0b;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-5xl) var(--spacing-xl);
  position: relative;
  transition: all var(--transition-base);
  overflow-x: hidden;
  box-sizing: border-box;
}

.header-container {
  max-width: var(--container-2xl);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3xl);
  position: relative;
  box-sizing: border-box;
  flex-wrap: wrap;
}

.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  z-index: var(--z-dropdown);
}

.logo img {
  width: 100px;
  height: auto;
  object-fit: contain;
  transition: max-height var(--transition-base);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: var(--spacing-3xl);
  height: var(--spacing-3xl);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-max);
  position: relative;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-text-primary);
  border-radius: 3px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.navigation {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex: 1;
  justify-content: center;
  transition: all var(--transition-base);
  flex-shrink: 1;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-tight);
  transition: color var(--transition-base);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: var(--spacing-xs);
}

.cta-button {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  border: none;
  border-radius: var(--radius-3xl);
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-primary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-tight);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.cta-button .full-text {
  display: inline;
}

.cta-button .short-text {
  display: none;
}

.cta-button:hover {
  background-color: var(--color-primary-hover);
}

.cta-button:active {
  transform: translateY(0);
}

/* Header Actions (Login/Upgrade buttons) */
.header-actions {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-shrink: 0;
}

.btn-login {
  background: transparent;
  border: 0.5px solid var(--color-text-primary);
  border-radius: 15px;
  padding: 9px 20px;
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-transform: capitalize;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-login:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary);
}

.btn-upgrade {
  background: var(--color-primary);
  border: none;
  border-radius: 15px;
  padding: 9px 20px;
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-transform: capitalize;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-upgrade:hover {
  background: var(--color-primary-hover);
}

/* ========== RESPONSIVE STYLES ========== */
@media (max-width: 1400px) {
  .header-container {
    gap: var(--spacing-5xl);
  }
  
  .navigation {
    gap: var(--spacing-6xl);
  }
  
  .nav-link {
    font-size: 13px;
  }
  
  .cta-button {
    font-size: 13px;
    padding: 11px 22px;
  }
}

@media (max-width: 1280px) {
  .header-container {
    gap: var(--spacing-xl);
  }
  
  .navigation {
    gap: var(--spacing-4xl);
  }
  
  .nav-link {
    font-size: var(--font-size-base);
  }
  
  .cta-button .full-text {
    display: none;
  }
  
  .cta-button .short-text {
    display: inline;
  }
  
  .cta-button {
    font-size: var(--font-size-base);
    padding: 11px var(--spacing-xl);
  }
}

@media (max-width: 1200px) {
  .header {
    padding: var(--spacing-xl) var(--spacing-xl);
  }

  .logo img {
    width: 90px;
    height: auto;
  }

  .header-container {
    gap: var(--spacing-xl);
  }

  .navigation {
    gap: var(--spacing-xl);
    margin-top: 0;
  }
  
  .nav-link {
    font-size: var(--font-size-base);
  }
  
  .cta-button {
    font-size: var(--font-size-base);
    padding: var(--spacing-md) var(--spacing-xl);
  }
}

@media (max-width: 1024px) {
  .header-container {
    gap: var(--spacing-lg);
  }
  
  .navigation {
    gap: var(--spacing-xl);
  }
  
  .nav-link {
    font-size: 11px;
  }
  
  .cta-button {
    font-size: 11px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

@media (max-width: 968px) {
  .header {
    padding: var(--spacing-lg) var(--spacing-lg);
  }

  .header-container {
    gap: var(--spacing-lg);
  }

  .logo img {
    width: 85px;
    height: auto;
  }

  .mobile-menu-toggle {
    display: flex;
    order: 3;
  }

  .header-actions {
    display: none;
  }

  .navigation {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-xl);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    border-bottom: var(--border-width-base) solid #0b0b0b;
    z-index: 1000;
    transition: all 0.3s ease-in-out;
    flex-wrap: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }

  .navigation.active {
    max-height: calc(100vh - 80px);
    opacity: 1;
    visibility: visible;
    box-shadow: var(--shadow-lg);
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-lg) 0;
    font-size: var(--font-size-md);
    border-bottom: var(--border-width-base) solid rgba(255, 255, 255, 0.1);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link:hover {
    padding-left: var(--spacing-md);
  }

  .cta-button {
    display: none;
  }
}

@media (max-width: 640px) {
  .header {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .logo img {
    width: 80px;
    height: auto;
  }

  .cta-button {
    display: none;
  }

  .mobile-menu-toggle {
    width: var(--spacing-4xl);
    height: var(--spacing-4xl);
  }
}

@media (max-width: 480px) {
  .header {
    padding: var(--spacing-md) var(--spacing-md);
  }

  .logo img {
    width: 75px;
    height: auto;
  }

  .navigation {
    top: 70px;
    padding: var(--spacing-lg);
  }

  .navigation.active {
    max-height: calc(100vh - 70px);
  }

  .nav-link {
    font-size: 13px;
    padding: var(--spacing-md) 0;
  }

  .cta-button {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .mobile-menu-toggle {
    width: 28px;
    height: 28px;
  }

  .mobile-menu-toggle span {
    height: 2px;
  }
}