/* ==========================================================================
   ARICAN STEEL - Kurumsal Web Sitesi Stil Dosyası (Aydınlık Tema + Mega Menü + Full Slider)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-soft: #F1F5F9;
  --bg-accent-light: #EFF6FF;
  --bg-red-light: #FEF2F2;
  
  --primary: #0F294A;
  --primary-light: #1E40AF;
  --accent: #C81E1E;
  --accent-hover: #991B1B;
  
  --text-main: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  
  --border-color: #E2E8F0;
  --border-strong: #CBD5E1;
  
  --shadow-sm: 0 2px 8px rgba(15, 41, 74, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 41, 74, 0.08), 0 8px 10px -6px rgba(15, 41, 74, 0.04);
  --shadow-lg: 0 24px 48px -12px rgba(15, 41, 74, 0.14);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--primary);
  line-height: 1.25;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Topbar */
.topbar {
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--border-color);
  font-size: 13.5px;
  color: var(--text-body);
  padding: 9px 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 500;
}

.topbar-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
  flex-shrink: 0;
}

/* Header & Mega Menu Navbar */
.site-header {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  position: relative;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo img {
  height: 62px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.brand-title span {
  color: var(--accent);
}

.brand-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
}

.nav-item {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-item.has-mega {
  position: static;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
  border-radius: var(--radius-sm);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background-color: var(--bg-soft);
}

/* MEGA MENU */
.mega-menu {
  position: absolute;
  top: 90px;
  left: 0;
  width: 100%;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--accent);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1050;
}

.nav-item.has-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-grid-products {
  display: grid;
  grid-template-columns: 1fr 1fr 320px;
  gap: 32px;
  align-items: start;
}

.mega-grid-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr) 320px;
  gap: 28px;
  align-items: start;
}

.mega-col-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mega-items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mega-item-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: var(--transition);
  background-color: #FFFFFF;
}

.mega-item-card:hover {
  background-color: var(--bg-soft);
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.mega-item-thumb {
  width: 54px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

.mega-item-info {
  display: flex;
  flex-direction: column;
}

.mega-item-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
}

.mega-item-card:hover .mega-item-title {
  color: var(--accent);
}

.mega-item-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.mega-promo-box {
  background: linear-gradient(145deg, #F8FAFC 0%, #EFF6FF 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mega-promo-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.mega-promo-box h4 {
  font-size: 17px;
  color: var(--primary);
}

.mega-promo-box p {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.5;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(200, 30, 30, 0.22);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-navy {
  background-color: var(--primary);
  color: #FFFFFF;
}

.btn-navy:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: #FFFFFF;
  color: var(--primary);
  border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--primary);
  background-color: var(--bg-soft);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--primary);
  cursor: pointer;
}

/* ==========================================================================
   FULL-WIDTH HERO SLIDER (AYDINLIK & FERAH KURUMSAL TASARIM)
   ========================================================================== */
.full-slider {
  position: relative;
  width: 100%;
  height: 670px;
  overflow: hidden;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
}

.slides-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide-item {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  z-index: 1;
}

.slide-item.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.slide-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.06);
  transition: transform 6s ease-out;
}

.slide-item.active .slide-bg img {
  transform: scale(1);
}

/* Aydınlık/Beyaz Gradyan Katmanı: Sol taraf tamamen aydınlık/beyaz, sağ taraf net stok fotoğraf */
.slide-light-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.95) 42%,
    rgba(248, 250, 252, 0.78) 65%,
    rgba(255, 255, 255, 0.15) 100%
  );
  z-index: 2;
}

.slide-container {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
}

.slide-content-card {
  max-width: 670px;
  padding: 20px 0;
  transform: translateY(24px);
  opacity: 0;
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}

.slide-item.active .slide-content-card {
  transform: translateY(0);
  opacity: 1;
}

.slide-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-strong);
  color: var(--primary);
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.slide-badge .dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
}

.slide-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 18px;
  letter-spacing: -1px;
  line-height: 1.15;
}

.slide-title span {
  color: var(--accent);
}

.slide-desc {
  font-size: 18px;
  color: var(--text-body);
  margin-bottom: 30px;
  font-weight: 400;
  line-height: 1.6;
}

.slide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.slide-specs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.slide-spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.slide-spec-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--bg-red-light) 0%, #FFFFFF 100%);
  border: 1px solid #FECACA;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.slide-spec-icon.navy {
  background: linear-gradient(135deg, var(--bg-accent-light) 0%, #FFFFFF 100%);
  border-color: #BFDBFE;
  color: var(--primary);
}

.slide-spec-text {
  display: flex;
  flex-direction: column;
}

.slide-spec-item strong {
  display: block;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.2;
}

.slide-spec-item span {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 2px;
}

/* Slider Arrows & Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-strong);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.slider-arrow:hover {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.06);
}

.slider-arrow.prev {
  left: 28px;
}

.slider-arrow.next {
  right: 28px;
}

.slider-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-strong);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  width: 30px;
  border-radius: 12px;
  background-color: var(--accent);
}

/* Hero Grid (Used on Corporate Subpages) */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 54px;
  align-items: center;
}

/* Page Banner (Light Subpage Header) */
.page-header {
  background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 48px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  color: var(--border-strong);
}

.page-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}

.page-subtitle {
  font-size: 16.5px;
  color: var(--text-body);
  max-width: 740px;
}

/* Sections */
.section {
  padding: 84px 0;
}

.section-white {
  background-color: var(--bg-surface);
}

.section-soft {
  background-color: var(--bg-soft);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background-color: var(--bg-red-light);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 16.5px;
  color: var(--text-muted);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  gap: 28px;
}

/* ==========================================================================
   HORIZONTAL CAROUSEL SYSTEM (Ürünler, Hizmetler, Sektörler, İlgili Ürünler)
   ========================================================================== */
.carousel-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.carousel-header-row .section-header-left {
  max-width: 680px;
}

.carousel-nav-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.carousel-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.carousel-btn:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.carousel-viewport {
  position: relative;
  width: 100%;
}

.carousel-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 4px 20px;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none;
}

.carousel-track::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Edge */
}

.carousel-track > .carousel-slide-card {
  flex: 0 0 calc((100% - 72px) / 4);
  min-width: 285px;
  scroll-snap-align: start;
}

.carousel-track.cards-3 > .carousel-slide-card {
  flex: 0 0 calc((100% - 48px) / 3);
  min-width: 310px;
}

.carousel-track.cards-5 > .carousel-slide-card {
  flex: 0 0 calc((100% - 80px) / 5);
  min-width: 215px;
}

.product-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.product-img-wrap {
  position: relative;
  height: 210px;
  overflow: hidden;
  background-color: var(--bg-soft);
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 50px;
  box-shadow: var(--shadow-sm);
}

.product-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.product-text {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-grow: 1;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.product-link:hover {
  gap: 10px;
}

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.service-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

/* Detail Layout (Sidebar + Content) */
.detail-layout {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 40px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 112px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--bg-soft);
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
}

.sidebar-list a:hover {
  background-color: var(--bg-soft);
  color: var(--primary);
}

.sidebar-list a.active {
  background-color: var(--primary);
  color: #FFFFFF;
  font-weight: 600;
}

.sidebar-contact-card {
  background: linear-gradient(145deg, #FFFFFF 0%, #F1F5F9 100%);
  border: 1px solid var(--border-strong);
}

/* Content Box in Detail Page */
.detail-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.detail-hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 28px;
  border: 1px solid var(--border-color);
}

.detail-content h2 {
  font-size: 26px;
  margin-bottom: 16px;
  color: var(--primary);
}

.detail-content h3 {
  font-size: 20px;
  margin: 28px 0 14px;
  color: var(--primary);
}

.detail-content p {
  margin-bottom: 16px;
  color: var(--text-body);
}

/* Technical Spec Table */
.spec-table-wrapper {
  overflow-x: auto;
  margin: 22px 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14.5px;
}

.spec-table th {
  background-color: var(--bg-soft);
  color: var(--primary);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  width: 35%;
}

.spec-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-body);
  background-color: #FFFFFF;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

/* Feature Check List */
.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-body);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--primary);
}

.check-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Sectors Strip */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.sector-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.sector-item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.sector-item h4 {
  font-size: 16px;
  margin-top: 12px;
}

/* CTA Banner (Light & Crisp) */
.cta-banner {
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 50%, #FEF2F2 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 64px 0;
}

.cta-box {
  background-color: #FFFFFF;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

/* Contact Page Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.info-row {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
  border-bottom: none;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--bg-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--text-main);
  background-color: var(--bg-body);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(15, 41, 74, 0.08);
}

/* Light Footer */
.site-footer {
  background-color: #F1F5F9;
  border-top: 1px solid var(--border-strong);
  color: var(--text-body);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14.5px;
  color: var(--text-body);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  background-color: #E2E8F0;
  padding: 20px 0;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 1100px) {
  .mega-grid-products,
  .mega-grid-services {
    grid-template-columns: 1fr 1fr;
  }
  .mega-promo-box {
    display: none;
  }
}

@media (max-width: 1024px) {
  .hero-grid,
  .detail-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    order: 2;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .slide-title {
    font-size: 38px;
  }
}

@media (max-width: 820px) {
  .topbar-right {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 90px;
    left: 0;
    right: 0;
    height: auto;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: none;
    max-height: 82vh;
    overflow-y: auto;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-item {
    flex-direction: column;
    align-items: stretch;
    height: auto;
  }
  .mega-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--border-strong);
    padding: 12px 0 12px 14px;
    margin-top: 6px;
  }
  .mega-grid-products,
  .mega-grid-services {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .full-slider {
    height: 600px;
  }
  .slide-light-overlay {
    background: rgba(255, 255, 255, 0.92);
  }
  .slide-title {
    font-size: 30px;
  }
  .slider-arrow {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}