/* ==========================================================================
   EGE CONTA - 2026 Endüstriyel Tasarım Sistemi & CSS Mimarisi
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  /* Renk Paleti - Light Mode */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  /* Marka & Vurgular */
  --brand-primary: #0284c7;        /* Endüstriyel Canlı Mavi */
  --brand-primary-hover: #0369a1;
  --brand-secondary: #06b6d4;      /* Hassas Cyan */
  --brand-accent: #f59e0b;         /* Güvenlik & Mühendislik Turuncusu */
  --brand-accent-glow: rgba(245, 158, 11, 0.25);
  --brand-dark: #091426;           /* Derin Donanma */
  
  /* Durum Renkleri */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #0284c7;

  /* Tipografi */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Gölgeler */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.35);

  /* Yarıçap & Geçiş */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Dark Mode (Varsayılan Tercih - 2026 Endüstriyel Yüksek Teknoloji Hissi)
   ========================================================================== */
[data-theme="dark"] {
  --bg-body: #070c16;
  --bg-surface: #0e1726;
  --bg-surface-elevated: #152238;
  --bg-surface-glass: rgba(14, 23, 38, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.55);
  --shadow-xl: 0 24px 38px rgba(0, 0, 0, 0.65);
}

/* Sıfırlama ve Temel */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* Tipografi Kuralları */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  letter-spacing: -0.02em;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.85rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p {
  color: var(--text-muted);
  line-height: 1.7;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.text-gradient {
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-accent-gradient {
  background: linear-gradient(135deg, #ff7a00 0%, #ffae00 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

/* ==========================================================================
   Header & Navigasyon
   ========================================================================== */
.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  transition: all var(--transition-normal);
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .topbar {
    font-size: 0.78rem;
    padding: 0.35rem 0;
  }
  .topbar-content {
    justify-content: center;
    gap: 0.5rem;
  }
  .topbar-left, .topbar-right {
    gap: 0.5rem;
  }
  .topbar-right {
    display: none;
  }
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.topbar-item:hover {
  color: var(--brand-primary);
}

.topbar-email-link {
  display: none;
}

@media (min-width: 768px) {
  .topbar-email-link {
    display: inline-flex;
  }
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .status-badge {
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
  }
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-success);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Ana Sticky Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

@media (max-width: 480px) {
  .navbar {
    height: 60px;
  }
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  min-width: 0;
}

.brand-logo img {
  height: 46px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .brand-logo img {
    height: 36px;
  }
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-primary);
  font-weight: 700;
  white-space: nowrap;
}

@media (max-width: 360px) {
  .brand-name {
    font-size: 1rem;
  }
  .brand-sub {
    font-size: 0.6rem;
  }
}

/* Nav Linkleri */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-primary);
  background: rgba(2, 132, 199, 0.08);
}

/* Dropdown Mega Menü */
.has-dropdown {
  position: relative;
}

.dropdown-arrow {
  transition: transform var(--transition-fast);
}

.has-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 290px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 1010;
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(2, 132, 199, 0.1);
  color: var(--brand-primary);
  transform: translateX(4px);
}

.dropdown-item-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 132, 199, 0.1);
  color: var(--brand-primary);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Header Aksiyonları */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.theme-toggle-btn, .search-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle-btn:hover, .search-toggle-btn:hover {
  background: rgba(2, 132, 199, 0.15);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* Buton Tasarımları */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.45rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

@media (max-width: 480px) {
  .btn {
    padding: 0.65rem 1.15rem;
    font-size: 0.88rem;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary) 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
  background: linear-gradient(135deg, #0284c7 0%, var(--brand-secondary) 100%);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(2, 132, 199, 0.1);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, #ff7a00 0%, #f59e0b 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

@media (max-width: 480px) {
  .btn-lg {
    padding: 0.8rem 1.35rem;
    font-size: 0.95rem;
  }
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-main);
}

@media (max-width: 1080px) {
  .nav-menu {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* ==========================================================================
   Hero Bölümü (2026 Endüstriyel Giriş)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 4.5rem 0 5rem 0;
  overflow: hidden;
  background: radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
  border-bottom: 1px solid var(--border-subtle);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 2.5rem 0 3rem 0;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3rem;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-highlights {
    justify-content: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(2, 132, 199, 0.25);
  color: var(--brand-primary);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

@media (max-width: 480px) {
  .hero-badge {
    font-size: 0.72rem;
    padding: 0.3rem 0.75rem;
    letter-spacing: 0.02em;
  }
}

.hero-title {
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.hero-desc {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 620px;
}

@media (max-width: 480px) {
  .hero-desc {
    font-size: 0.95rem;
  }
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

@media (max-width: 480px) {
  .hero-cta {
    gap: 0.75rem;
    margin-bottom: 2rem;
  }
  .hero-cta .btn {
    width: 100%;
  }
}

.hero-highlights {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

@media (max-width: 480px) {
  .hero-highlights {
    gap: 0.75rem;
  }
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-main);
}

.highlight-icon {
  color: var(--brand-primary);
  flex-shrink: 0;
}

/* Hero Sağ Görsel ve Teknik Kart */
.hero-visual {
  position: relative;
}

.hero-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

@media (max-width: 480px) {
  .hero-card {
    padding: 1rem;
    border-radius: var(--radius-lg);
  }
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  background: #000;
}

@media (max-width: 480px) {
  .hero-img-wrapper {
    height: 200px;
  }
}

.hero-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-card:hover .hero-img-wrapper img {
  transform: scale(1.04);
}

.floating-spec-badge {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

@media (max-width: 480px) {
  .floating-spec-badge {
    padding: 0.5rem 0.65rem;
    gap: 0.35rem;
    flex-wrap: wrap;
  }
  .floating-spec-badge > div[style*="width:1px"] {
    display: none;
  }
}

.spec-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.spec-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.spec-value {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.88rem;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .spec-title { font-size: 0.62rem; }
  .spec-value { font-size: 0.78rem; }
}

/* ==========================================================================
   Hero Slider / Carousel & Pager
   ========================================================================== */
.hero-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  background: #000;
}

@media (max-width: 480px) {
  .hero-slider {
    height: 220px;
  }
}

@media (min-width: 1200px) {
  .hero-slider {
    height: 360px;
  }
}

.hero-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.7s;
  z-index: 1;
}

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

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 5s ease;
}

.hero-slide.active img {
  transform: scale(1.06);
}

.hero-slide-video-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
}

.hero-slide-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Slider Ok (Arrow) Butonları */
.hero-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0;
}

.hero-slider:hover .hero-slider-arrow {
  opacity: 1;
}

.hero-slider-arrow:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 0 16px rgba(2, 132, 199, 0.5);
}

.hero-slider-prev {
  left: 12px;
}

.hero-slider-next {
  right: 12px;
}

@media (max-width: 480px) {
  .hero-slider-arrow {
    width: 34px;
    height: 34px;
    opacity: 0.7;
  }
  .hero-slider-arrow svg {
    width: 16px;
    height: 16px;
  }
  .hero-slider-prev { left: 6px; }
  .hero-slider-next { right: 6px; }
}

/* Pager / Bullet Noktaları */
.hero-slider-pager {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-pager-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
  outline: none;
}

.hero-pager-dot:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.2);
}

.hero-pager-dot.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  width: 26px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.6);
}

@media (max-width: 480px) {
  .hero-slider-pager {
    bottom: 48px;
    gap: 6px;
    padding: 5px 10px;
  }
  .hero-pager-dot {
    width: 8px;
    height: 8px;
  }
  .hero-pager-dot.active {
    width: 20px;
  }
}

/* Zamanlayıcı Çubuğu (Timer Bar) */
.hero-slider-timer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  z-index: 10;
}

.hero-slider-timer-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  border-radius: 0 2px 2px 0;
  transition: width 0.1s linear;
}

/* Floating spec badge - artık slider içinde */
.hero-slider .floating-spec-badge {
  bottom: 10px;
  left: 10px;
  right: 10px;
  z-index: 10;
}
/* ==========================================================================
   İstatistik Şeridi
   ========================================================================== */
.stats-section {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.stat-card {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--brand-primary);
  background: var(--bg-surface-elevated);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: all var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-secondary);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 0.35rem;
}

@media (max-width: 480px) {
  .stat-number {
    font-size: 1.85rem;
  }
}

.stat-title {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Bölüm Başlıkları
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: 2.5rem;
  }
}

.section-tag {
  display: inline-block;
  background: rgba(2, 132, 199, 0.1);
  color: var(--brand-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
}

@media (max-width: 480px) {
  .section-subtitle {
    font-size: 0.92rem;
  }
}

/* ==========================================================================
   Kategori Grid Kartları
   ========================================================================== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* ==========================================================================
   Ürün Kataloğu Grid & Kart Stilleri (Taşma Önleyici Responsive Tasarım)
   ========================================================================== */
.products-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.75rem;
}

@media (max-width: 768px) {
  .products-catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .products-catalog-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.product-card-top-bar {
  padding: 1rem 1.35rem;
  background: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.product-code-pill {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--brand-primary);
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(2, 132, 199, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.2;
}

.product-type-badge {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  text-align: right;
  line-height: 1.35;
  letter-spacing: 0.3px;
  word-break: break-word;
}

.product-specs-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.product-specs-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 1rem;
}

.product-spec-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.product-spec-label {
  color: var(--text-muted);
  font-size: 0.73rem;
  font-weight: 500;
  margin-bottom: 2px;
  white-space: nowrap;
}

.product-spec-value {
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.88rem;
  white-space: nowrap;
  letter-spacing: -0.2px;
}

.product-spec-material-full {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.55rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.product-material-text {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.85rem;
  line-height: 1.45;
  word-break: break-word;
}

.category-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: rgba(2, 132, 199, 0.4);
  box-shadow: var(--shadow-xl);
}

.category-img {
  height: 190px;
  overflow: hidden;
  background: #111;
  position: relative;
}

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

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

.category-count-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.category-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

@media (max-width: 480px) {
  .category-body {
    padding: 1.25rem;
  }
}

.category-title {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  transition: color var(--transition-fast);
}

.category-card:hover .category-title {
  color: var(--brand-primary);
}

.category-desc {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.category-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.category-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.category-link:hover {
  gap: 0.65rem;
}

/* ==========================================================================
   İnteraktif Araçlar (O-Ring Hesaplayıcı & Kimyasal Matris)
   ========================================================================== */
.tool-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 3rem;
  overflow: hidden;
}

@media (max-width: 768px) {
  .tool-box {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-lg);
  }
}

.tool-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
  width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.18);
  background: var(--bg-surface);
}

/* Tablolar */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.table-responsive::-webkit-scrollbar {
  height: 7px;
}

.table-responsive::-webkit-scrollbar-track {
  background: var(--bg-surface-elevated);
}

.table-responsive::-webkit-scrollbar-thumb {
  background: rgba(2, 132, 199, 0.4);
  border-radius: var(--radius-full);
}

.table-responsive::-webkit-scrollbar-thumb:hover {
  background: var(--brand-primary);
}

.data-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
  table-layout: auto;
}

.data-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  font-weight: 700;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
  letter-spacing: -0.01em;
  font-size: 0.85rem;
}

.data-table td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  vertical-align: middle;
}

.data-table th:last-child,
.data-table td:last-child {
  text-align: center;
  width: 100px;
  min-width: 90px;
  padding-right: 1rem;
  white-space: nowrap;
}

.data-table tr:hover td {
  background: rgba(2, 132, 199, 0.05);
  color: var(--text-main);
}

/* Uygunluk Rozetleri */
.badge-grade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.8rem;
}

.grade-A { background: rgba(16, 185, 129, 0.18); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.grade-B { background: rgba(2, 132, 199, 0.18); color: #0284c7; border: 1px solid rgba(2, 132, 199, 0.3); }
.grade-C { background: rgba(245, 158, 11, 0.18); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.grade-D { background: rgba(239, 68, 68, 0.18); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }

/* ==========================================================================
   Tarihçe / Timeline
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--border-subtle);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 24px;
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  width: 50%;
  padding: 0 2.5rem;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

@media (max-width: 768px) {
  .timeline-item {
    width: 100% !important;
    left: 0 !important;
    padding-left: 56px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }
}

.timeline-dot {
  position: absolute;
  top: 0.5rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 4px solid var(--bg-surface);
  box-shadow: 0 0 10px var(--brand-primary);
  z-index: 10;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -9px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -9px;
}

@media (max-width: 768px) {
  .timeline-dot {
    left: 15px !important;
    right: auto !important;
  }
}

.timeline-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

@media (max-width: 480px) {
  .timeline-card {
    padding: 1rem;
  }
}

.timeline-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-primary);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: 0.35rem;
}

.timeline-title {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Makine Parkuru Grid
   ========================================================================== */
.machinery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

@media (max-width: 480px) {
  .machinery-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.machine-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.machine-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--brand-primary);
}

.machine-img {
  height: 200px;
  overflow: hidden;
  background: #000;
}

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

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

.machine-body {
  padding: 1.5rem;
}

@media (max-width: 480px) {
  .machine-body {
    padding: 1.25rem;
  }
}

.machine-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-secondary);
  margin-bottom: 0.35rem;
}

/* ==========================================================================
   Sayfa İç Responsive Grid'ler (About, Contact, CEO, vb.)
   ========================================================================== */
.page-two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: flex-start;
}

@media (max-width: 992px) {
  .page-two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.page-ceo-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 992px) {
  .page-ceo-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.page-rubber-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 480px) {
  .page-rubber-grid {
    grid-template-columns: 1fr;
  }
}

.page-strength-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .page-strength-grid {
    grid-template-columns: 1fr;
  }
}

.page-filter-bar {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

@media (max-width: 768px) {
  .page-filter-bar {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding-top: 4rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 28px;
  height: 2px;
  background: var(--brand-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--brand-primary);
  transform: translateX(4px);
}

.footer-branch-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
}

.footer-branch-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 0.35rem;
}

.footer-branch-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 768px) {
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
}

.footer-legal-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .footer-legal-links {
    justify-content: center;
    gap: 0.75rem;
  }
}

.footer-legal-links a {
  font-size: 0.82rem;
}

.footer-legal-links a:hover {
  color: var(--brand-primary);
}

/* ==========================================================================
   Modal (Teklif Al / RFQ)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

@media (max-width: 480px) {
  .modal-container {
    border-radius: var(--radius-lg);
    max-height: 95vh;
  }
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 480px) {
  .modal-header {
    padding: 1rem 1.25rem;
  }
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  flex-shrink: 0;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 1.5rem;
}

@media (max-width: 480px) {
  .modal-body {
    padding: 1.25rem;
  }
}

/* ==========================================================================
   Toast Bildirim
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-xl);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  max-width: calc(100vw - 2rem);
}

@media (max-width: 480px) {
  .toast {
    right: 1rem;
    left: 1rem;
    bottom: 1rem;
    padding: 0.85rem 1rem;
  }
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

/* Yüzen Hızlı Aksiyon Çubuğu (WhatsApp & Telefon) */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 1500;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .floating-actions {
    bottom: 1rem;
    left: 1rem;
  }
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
}

@media (max-width: 480px) {
  .float-btn {
    width: 44px;
    height: 44px;
  }
}

.float-btn:hover {
  transform: scale(1.1) translateY(-3px);
}

.float-whatsapp {
  background: #25d366;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.float-phone {
  background: var(--brand-primary);
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.4);
}

/* ==========================================================================
   Sayfa Başlık Alanları (Page Banners)
   ========================================================================== */
.page-banner {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 3rem 0;
}

@media (max-width: 768px) {
  .page-banner {
    padding: 2rem 0;
  }
}

/* ==========================================================================
   Animasyon & Etkileşim
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease both;
}