/* ============================================================
   KURUMSAL ELEKTRİK - COMPONENTS
   Özelleştirilmiş Bileşenler
   ============================================================ */

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-primary);
}

/* Desktop Navigation */
.main-nav {
  display: none;
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Dropdown */
.nav-item--dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  margin-top: var(--space-2);
  padding: var(--space-2);
}

.nav-item--dropdown:hover .nav-dropdown,
.nav-item--dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-dropdown__link:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

/* CTA Header Button */
.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.hamburger {
  position: relative;
  width: 24px;
  height: 18px;
}

.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition: all var(--transition-fast);
}

.hamburger span:nth-child(1) {
  top: 0;
}

.hamburger span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
  bottom: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Mobile Menu Drawer */
.mobile-nav {
  position: fixed;
  top: 73px;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 320px;
  background-color: var(--color-bg);
  border-left: 1px solid var(--color-border);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  z-index: 999;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav__list {
  padding: var(--space-4);
  list-style: none;
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}

.mobile-nav__link:hover,
.mobile-nav__link.active {
  color: var(--color-primary);
  background-color: var(--color-surface);
}

/* Mobile Overlay */
.mobile-overlay {
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 998;
}

.mobile-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  background-color: var(--color-bg);
}

.hero__grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero {
    padding-top: var(--space-24);
    padding-bottom: var(--space-20);
  }
  
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.hero__content {
  order: 2;
}

@media (min-width: 1024px) {
  .hero__content {
    order: 1;
  }
}

.hero__title {
  font-size: var(--text-4xl);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--text-5xl);
  }
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__image {
  order: 1;
}

@media (min-width: 1024px) {
  .hero__image {
    order: 2;
  }
}

.hero__image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

/* Hero Value Items */
.hero-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.hero-value {
  text-align: center;
}

.hero-value__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--color-primary);
}

.hero-value__text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================
   SOLUTIONS GRID
   ============================================================ */

.solution-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.solution-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.solution-item__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.solution-item__content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.solution-item__content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.solution-item__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.solution-item__link:hover {
  gap: var(--space-3);
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */

.process-steps {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  position: relative;
  text-align: center;
}

.process-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-full);
}

.process-step__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.process-step__description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin: 0;
}

/* Process Connector Line */
@media (min-width: 1024px) {
  .process-step::after {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(50% + 28px);
    width: calc(100% - 56px);
    height: 2px;
    background-color: var(--color-border);
  }
  
  .process-step:last-child::after {
    display: none;
  }
}

/* ============================================================
   CATEGORY GRID
   ============================================================ */

.category-card {
  display: block;
  padding: var(--space-6);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  text-decoration: none;
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.category-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
}

.category-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.category-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ============================================================
   REFERENCE LOGOS
   ============================================================ */

.reference-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .reference-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .reference-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.reference-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.reference-logo:hover {
  opacity: 1;
}

.reference-logo img {
  max-width: 100%;
  height: auto;
  filter: grayscale(100%);
}

.reference-logo:hover img {
  filter: grayscale(0%);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background-color: #ffffff;
  color: #4a5568;
  padding: var(--space-10) 0;
  margin-top: 0;
  border-top: 1px solid #e2e8f0;
}

/* === THEME PRIMARY VARIANT (e.g., login page) === */
.theme-primary .site-footer {
  background-color: var(--color-primary);
  color: #ffffff;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.theme-primary .site-footer,
.theme-primary .site-footer p,
.theme-primary .site-footer li,
.theme-primary .site-footer span,
.theme-primary .site-footer small,
.theme-primary .site-footer strong,
.theme-primary .site-footer h1,
.theme-primary .site-footer h2,
.theme-primary .site-footer h3,
.theme-primary .site-footer h4,
.theme-primary .site-footer h5,
.theme-primary .site-footer h6 {
  color: #ffffff;
}

.theme-primary .footer__desc,
.theme-primary .footer__links a,
.theme-primary .footer__contact a,
.theme-primary .footer__bottom-nav a,
.theme-primary .footer__copyright {
  color: rgba(255, 255, 255, 0.82);
}

.theme-primary .footer__links a:hover,
.theme-primary .footer__contact a:hover,
.theme-primary .footer__bottom-nav a:hover {
  color: #ffffff;
}

.theme-primary .footer__social a {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.theme-primary .footer__social a:hover {
  background-color: #ffffff;
  color: var(--color-primary);
  border-color: #ffffff;
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.15);
}

.footer__grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-5);
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr 1fr;
    gap: var(--space-5);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 767px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer__col {
  min-width: 0;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.footer__logo-text {
  color: #1a202c;
  font-size: var(--text-lg);
  font-weight: 600;
}

.footer__desc {
  color: #718096;
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.footer__social {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background-color: #f7fafc;
  color: #4a5568;
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.footer__social a:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.15);
}

.footer__heading {
  color: #1a202c;
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.footer__links,
.footer__contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li,
.footer__contact li {
  margin-bottom: var(--space-2);
}

.footer__links a,
.footer__contact a {
  color: #718096;
  font-size: var(--text-sm);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  line-height: 1.5;
}

.footer__links a:hover,
.footer__contact a:hover {
  color: var(--color-primary);
  text-decoration: none;
  transform: translateX(2px);
}

.footer__links a strong {
  color: var(--color-primary);
  font-weight: 600;
}

.footer__contact svg {
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.footer__contact a:hover svg {
  opacity: 1;
}

.footer__bottom {
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
  border-top: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: center;
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

.footer__copyright {
  color: #a0aec0;
}

.footer__bottom-nav {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

@media (min-width: 768px) {
  .footer__bottom-nav {
    justify-content: flex-end;
  }
}

.footer__bottom-nav a {
  color: #718096;
  font-size: var(--text-sm);
  transition: color 0.2s;
}

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