/* Import Outfit and Roboto fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Roboto:wght@400;500;700&display=swap');

/* CSS Variables for design system */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Roboto', sans-serif;

  /* Premium HSL Color System (Metallic / Steel Vibe) */
  --color-primary: hsl(198, 85%, 44%);       /* Active Steel Blue #1199d1 */
  --color-primary-light: hsl(198, 90%, 55%);
  --color-secondary: hsl(180, 75%, 61%);     /* Vibrant Cyan #56e2e0 */
  --color-dark-bg: #0b0f19;                  /* Deep Obsidian Slate */
  --color-dark-surface: #131b2e;             /* Premium dark card background */
  --color-dark-border: hsl(215, 30%, 20%);
  --color-light-bg: #f8fafc;
  --color-light-surface: #ffffff;
  --color-light-border: #e2e8f0;
  
  --text-white: #ffffff;
  --text-muted-dark: #94a3b8;
  --text-dark: #0f172a;
  --text-muted-light: #64748b;
  
  /* Gradient combinations */
  --gradient-brand: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-dark: linear-gradient(180deg, #0b0f19 0%, #111827 100%);
  
  /* Shadow & Transitions */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(17, 153, 209, 0.35);
  
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-full: 9999px;

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-light-bg);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-light-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-light-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-family: var(--font-heading);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-brand);
  z-index: -1;
  transition: var(--transition-smooth);
  opacity: 1;
}

.btn-primary {
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary::before {
  opacity: 0;
}

.btn-secondary:hover {
  color: var(--text-white);
  border-color: transparent;
  transform: translateY(-2px);
}

.btn-secondary:hover::before {
  opacity: 1;
}

/* TOP CONTACT BAR */
.top-bar {
  background-color: var(--color-dark-bg);
  color: var(--text-muted-dark);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-dark-border);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-item i {
  color: var(--color-secondary);
}

/* HEADER & NAVIGATION */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-light-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(255, 255, 255, 0.95);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
}

.logo-link img {
  height: 60px;
  width: auto;
  transition: var(--transition-smooth);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 0.5rem;
  color: var(--text-dark);
  letter-spacing: 0.5px;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-brand);
  transition: var(--transition-smooth);
  border-radius: var(--radius-full);
}

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

/* DROPDOWN MENU */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(15px);
  background-color: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0;
  min-width: 250px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  z-index: 10;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.6rem 1.2rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.dropdown-link:hover {
  background-color: rgba(17, 153, 209, 0.08);
  color: var(--color-primary);
  padding-left: 1.5rem;
}

/* MOBILE MENU BUTTON */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 5px 0;
  transition: var(--transition-smooth);
  border-radius: var(--radius-full);
}

/* HERO SLIDER */
.hero-slider {
  position: relative;
  height: 550px;
  overflow: hidden;
  background-color: var(--color-dark-bg);
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  display: flex;
  align-items: center;
  z-index: 1;
}

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

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45);
}

.slide-content {
  position: relative;
  z-index: 3;
  color: var(--text-white);
  max-width: 650px;
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.slide.active .slide-content {
  animation-delay: 0.3s;
}

.slide-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.slide-desc {
  font-size: 1.15rem;
  color: var(--text-muted-dark);
  margin-bottom: 2rem;
}

.slider-controls {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 0.75rem;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.slider-dot.active {
  background-color: var(--color-secondary);
  width: 30px;
}

/* MAIN NAVIGATION BANNERS GRID */
.banners-section {
  padding: 5rem 0;
  background-color: var(--color-light-bg);
}

.banners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.banner-card {
  position: relative;
  height: 180px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
  transition: var(--transition-smooth);
}

.banner-card:hover .banner-card-bg {
  transform: scale(1.1);
  filter: brightness(0.4);
}

.banner-card-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 1.5rem;
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: calc(100% - 2rem);
  height: calc(100% - 2rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  backdrop-filter: blur(2px);
  transition: var(--transition-smooth);
}

.banner-card:hover .banner-card-content {
  border-color: var(--color-secondary);
  box-shadow: 0 0 15px rgba(86, 226, 224, 0.4);
}

.banner-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

/* PAGE TITLE BANNER */
.page-header-banner {
  background-color: var(--color-dark-bg);
  background-image: linear-gradient(rgba(11, 15, 25, 0.85), rgba(11, 15, 25, 0.85)), url('../images/slayt-1.jpg');
  background-size: cover;
  background-position: center;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-white);
  border-bottom: 4px solid var(--color-primary);
}

.page-header-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

/* BREADCRUMB */
.breadcrumb-trail {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted-dark);
}

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

/* CONTENT SECTION GENERAL */
.section-padding {
  padding: 5rem 0;
}

.section-title-wrap {
  margin-bottom: 3rem;
  text-align: center;
}

.section-title {
  font-size: 2.25rem;
  position: relative;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

/* HAKKIMIZDA PAGE SPECIFICS */
.hakkimizda-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.hakkimizda-image-wrap {
  position: relative;
}

.hakkimizda-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hakkimizda-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient-brand);
  color: var(--text-white);
  padding: 1.5rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
  text-align: center;
}

.hakkimizda-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.hakkimizda-content p {
  color: var(--text-muted-light);
  margin-bottom: 1.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.value-card {
  background: var(--color-light-surface);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
  transition: var(--transition-smooth);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-secondary);
}

.value-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.value-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* PRODUCT OVERVIEW CARDS (URUNLERIMIZ) */
.product-portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.product-portal-card {
  background-color: var(--color-light-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
}

.product-portal-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.product-portal-img-wrap {
  height: 220px;
  overflow: hidden;
}

.product-portal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.product-portal-card:hover .product-portal-img {
  transform: scale(1.08);
}

.product-portal-body {
  padding: 2rem;
}

.product-portal-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.product-portal-desc {
  color: var(--text-muted-light);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  height: 70px;
  overflow: hidden;
}

/* DETAIL PAGES (SICAK / SOGUK / PLASTIK) */
.product-detail-layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 3rem;
}

.product-sidebar-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
}

.product-desc-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.product-desc-content p {
  color: var(--text-muted-light);
  margin-bottom: 1.5rem;
}

.features-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--color-light-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.features-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--color-light-border);
  font-size: 0.95rem;
}

.features-table tr:last-child td {
  border-bottom: none;
}

.features-table td:nth-child(even) {
  border-left: 1px solid var(--color-light-border);
}

.features-table tr:nth-child(odd) td {
  background-color: rgba(0, 0, 0, 0.02);
}

/* PDF DOWNLOAD LIST */
.pdf-download-section {
  background-color: #f1f5f9;
  padding: 3rem;
  border-radius: var(--radius-lg);
  margin-top: 2rem;
}

.pdf-download-section h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 0.75rem;
}

.pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.pdf-card {
  background-color: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition-smooth);
}

.pdf-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.pdf-icon {
  font-size: 2.25rem;
  color: #ef4444; /* PDF Red */
}

.pdf-name {
  font-weight: 700;
  font-size: 1rem;
}

.pdf-size {
  font-size: 0.8rem;
  color: var(--text-muted-light);
  display: block;
}

/* DYNAMIC JAVASCRIPT TABS (SICAK IS CELIKLERI) */
.tab-container {
  margin-top: 4rem;
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--color-light-border);
  gap: 0.5rem;
  margin-bottom: 2rem;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  padding: 1rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-muted-light);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  white-space: nowrap;
}

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

.tab-btn.active {
  color: var(--color-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
  background-color: var(--color-light-surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.tab-content.active {
  display: block;
}

.tab-content h4 {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.tab-content p {
  color: var(--text-muted-light);
  margin-bottom: 1.25rem;
}

.tab-content ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  list-style-type: square;
}

.tab-content li {
  margin-bottom: 0.5rem;
  color: var(--text-muted-light);
}

/* METALLURGY TEXT DESIGN (TAKIM CELIGI GENEL BILGI) */
.metallurgy-reading-layout {
  max-width: 850px;
  margin: 0 auto;
  background-color: var(--color-light-surface);
  padding: 4rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.metallurgy-article h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 1.25rem;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-light-border);
  padding-bottom: 0.5rem;
}

.metallurgy-article p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  color: #334155;
  text-align: justify;
}

/* HARDNESS CONVERSION TABLE SPECIFICS */
.search-box-wrap {
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-light-border);
  font-size: 1rem;
  transition: var(--transition-smooth);
  outline: none;
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-light-border);
  background-color: var(--color-light-surface);
}

.conversion-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

.conversion-table th {
  background-color: var(--color-dark-bg);
  color: var(--text-white);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 1.2rem;
  text-align: center;
  border: 1px solid var(--color-dark-border);
}

.conversion-table td {
  padding: 0.85rem;
  text-align: center;
  border: 1px solid var(--color-light-border);
  font-size: 0.95rem;
}

.conversion-table tbody tr:nth-child(even) {
  background-color: #f8fafc;
}

.conversion-table tbody tr:hover {
  background-color: rgba(17, 153, 209, 0.05);
}

/* ALLOYING ELEMENTS PAGE */
.alloy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.alloy-item {
  background-color: var(--color-light-surface);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 2.5rem;
  border-left: 6px solid var(--color-primary);
  transition: var(--transition-smooth);
}

.alloy-item:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-secondary);
}

.alloy-img {
  width: 110px;
  height: 110px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.alloy-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.alloy-content p {
  color: var(--text-muted-light);
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* INTERACTIVE WEIGHT CALCULATOR */
.calculator-wrap {
  max-width: 950px;
  margin: 0 auto;
  background-color: var(--color-light-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.calculator-form-side {
  padding: 3rem;
  border-right: 1px solid var(--color-light-border);
}

.calculator-results-side {
  padding: 3rem;
  background: var(--gradient-dark);
  color: var(--text-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.shape-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.shape-btn {
  background-color: #f1f5f9;
  border: 2px solid transparent;
  padding: 0.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-heading);
  text-align: center;
  transition: var(--transition-smooth);
}

.shape-btn:hover {
  background-color: #e2e8f0;
}

.shape-btn.active {
  background-color: var(--color-primary);
  color: var(--text-white);
}

.input-group {
  margin-bottom: 1.5rem;
}

.input-group label {
  display: block;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.input-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-light-border);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-smooth);
}

.input-control:focus {
  border-color: var(--color-primary);
}

.result-box {
  margin-top: 2rem;
}

.result-val {
  font-size: 4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-secondary);
  line-height: 1;
}

.result-unit {
  font-size: 1.25rem;
  color: var(--text-muted-dark);
}

/* CONTACT PAGE (ILETISIM) */
.iletisim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.iletisim-info-card {
  background-color: var(--color-light-surface);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.iletisim-info-card h4 {
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-light-border);
  padding-bottom: 0.75rem;
  color: var(--color-primary);
}

.info-detail-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.info-detail-item i {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-top: 0.2rem;
}

.info-detail-label {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.info-detail-val {
  color: var(--text-muted-light);
  font-size: 0.95rem;
}

.map-wrapper {
  grid-column: span 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.contact-form-card {
  background-color: var(--color-light-surface);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form-card h4 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* FOOTER SECTION */
.footer {
  background-color: var(--color-dark-bg);
  color: var(--text-muted-dark);
  padding: 4rem 0 2rem;
  border-top: 4px solid var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.footer-logo {
  height: 50px;
  width: auto;
}

.footer-nav-title {
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-nav-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-nav-links li {
  margin-bottom: 0.75rem;
}

.footer-nav-links a {
  font-size: 0.95rem;
}

.footer-nav-links a:hover {
  color: var(--color-secondary);
  padding-left: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-dark-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.85rem;
}

/* ANIMATIONS */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
  .hero-slider {
    height: 450px;
  }
  .slide-title {
    font-size: 2.5rem;
  }
  .hakkimizda-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .product-detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none; /* Hide topbar on mobile to save space */
  }
  
  .header .container {
    height: 70px;
  }
  
  .logo-link img {
    height: 45px;
  }
  
  .mobile-toggle {
    display: block;
    z-index: 101;
  }
  
  /* Mobile menu overlay */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-light-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    box-shadow: -5px 0 25px rgba(0,0,0,0.15);
    transition: var(--transition-smooth);
    z-index: 100;
    gap: 0.5rem;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: 0.75rem 0;
    font-size: 1.1rem;
  }
  
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: #f1f5f9;
    width: 100%;
    opacity: 1;
    visibility: visible;
    display: none;
    padding: 0.5rem 0;
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }
  
  .calculator-wrap {
    grid-template-columns: 1fr;
  }
  
  .iletisim-grid {
    grid-template-columns: 1fr;
  }
  
  .map-wrapper {
    grid-column: span 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}