/* ========================================
   Header & Navigation Styles
   ======================================== */

/* ===============================
   Top Contact Bar
   =============================== */

.top-bar {
  background-color: var(--color-primary-900);
  color: var(--color-text-white);
  padding: 12px 0;
  /* position: sticky;
  top: 0;
  z-index: 1000; */
  box-shadow: var(--shadow-soft);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.contact-info {
  display: flex;
  gap: 30px;
  align-items: center;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
}

.contact-item i {
  font-size: 16px;
  color: var(--color-accent-on-dark);
}

.contact-item a {
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-accent-300);
}

/* ===============================
   Main Navigation
   =============================== */

.main-header {
  background-color: var(--color-bg-main);
  border-bottom: 1px solid var(--color-border-subtle);
  /* position: sticky;
  top: 48px;
  z-index: 999; */
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.header-content__r {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.logo {
  font-size: 28px;
  font-weight: 900;
  color: var(--color-primary-500);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.logo-accent {
  color: var(--color-accent-500);
}

.logo img {
  max-width: 120px;
  border-radius: var(--radius-sm);
  display: block;
}

.nav-menu {
  display: flex;
  gap: 35px;
  align-items: center;
  z-index: 200;
}

.nav-link {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-primary);
  position: relative;
  padding: 5px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-500);
  transition: width var(--transition-medium);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent-text-on-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ===============================
   Theme Toggle Button
   =============================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-muted);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-subtle);
  transition: all var(--transition-fast);
  margin-left: 15px;
}

.theme-toggle:hover {
  background-color: var(--color-primary-100);
  border-color: var(--color-primary-300);
  transform: scale(1.05);
}

.theme-toggle:focus {
  outline: 2px solid var(--color-accent-500);
  outline-offset: 2px;
}

.theme-toggle i {
  font-size: 18px;
}

/* ===============================
   Mobile Navigation Toggle
   =============================== */

.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-medium);
}

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

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

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

/* ===============================
   Responsive Navigation
   =============================== */

@media (max-width: 1199px) {
  .nav-menu {
    position: absolute;
    top: 123px;
    left: 0;
    width: 100%;
    height: calc(100vh - 108px);
    background-color: var(--color-bg-main);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 40px 20px;
    transform: translateX(-100%);
    transition: transform var(--transition-medium);
    box-shadow: var(--shadow-strong);
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 18px;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .mobile-nav-toggle {
    display: flex;
  }

}

@media (max-width: 767px) {
  .top-bar-content {
    flex-direction: column;
    gap: 10px;
  }

  .contact-info {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    text-align: center;
  }

  .main-header {
    top: auto;
  }

  .header-content {
    padding: 15px 0;
  }

  .logo {
    font-size: 24px;
  }

  .nav-menu {
    top: 140px;
    height: calc(100vh - 60px);
  }

}