/* ==========================================================================
   ENGİN SINAİ GAZLAR VE KAYNAK MALZEMELERİ LTD. ŞTİ.
   Endüstriyel Web Tasarım Sistemi - Ultra-Lean & High Performance CSS
   ========================================================================== */

:root {
  /* Renk Paleti (Sanayi ve Güven Odaklı) */
  --color-primary-950: #090d16;
  --color-primary-900: #0f172a;
  --color-primary-800: #1e293b;
  --color-primary-700: #334155;
  --color-primary-600: #475569;
  
  --color-accent-orange: #ea580c;
  --color-accent-orange-hover: #c2410c;
  --color-accent-amber: #d97706;
  --color-accent-yellow: #f59e0b;
  
  --color-industrial-gas-green: #15803d;
  --color-industrial-gas-blue: #0284c7;
  --color-industrial-danger: #dc2626;

  --color-bg-base: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-subtle: #f1f5f9;
  --color-bg-dark: #0f172a;

  --color-border-light: #e2e8f0;
  --color-border-medium: #cbd5e1;
  --color-border-dark: #334155;

  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Tipografi */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Gölge ve Geçişler */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-industrial: 0 4px 0 0 rgba(15, 23, 42, 0.9);
  
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --container-max: 1200px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
}

/* Konteyner */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ==========================================================================
   Üst Bilgi ve Duyuru Çubuğu (Industrial Top Bar)
   ========================================================================== */
.top-announcement {
  background-color: var(--color-primary-950);
  color: #e2e8f0;
  font-size: 0.8125rem;
  font-weight: 500;
  border-bottom: 2px solid var(--color-accent-orange);
  padding: 0.5rem 0;
}

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

.top-announcement-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.4);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.top-announcement-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-announcement-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #cbd5e1;
  transition: color 0.15s;
}

.top-announcement-links a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Ana Navigasyon & Logo Alanı
   ========================================================================== */
.main-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  padding: 0.65rem 0;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-shrink: 0;
}

.brand-icon-box {
  background: linear-gradient(135deg, var(--color-primary-900), var(--color-primary-800));
  border: 2px solid var(--color-accent-orange);
  color: #ffffff;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.05em;
  box-shadow: 2px 2px 0px rgba(0, 0, 0, 0.15);
}

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

.brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary-900);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent-orange);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.main-nav {
  display: none;
}

@media (min-width: 992px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    white-space: nowrap;
    flex-wrap: nowrap;
    margin-left: auto;
  }
}

.nav-link {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary-800);
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-block;
}

@media (min-width: 992px) and (max-width: 1200px) {
  .nav-link {
    font-size: 0.775rem;
    padding: 0.35rem 0.4rem;
  }
  .main-nav {
    gap: 0.15rem;
  }
  .brand-logo-img {
    height: 38px !important;
  }
}

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

.nav-highlight {
  background-color: var(--color-primary-900);
  color: #ffffff !important;
  border: 1px solid var(--color-accent-orange);
}

.nav-highlight:hover {
  background-color: var(--color-accent-orange);
}

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  color: var(--color-primary-900);
  cursor: pointer;
}

@media (min-width: 992px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* ==========================================================================
   Mobile Nav Drawer
   ========================================================================== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-primary-900);
  color: #ffffff;
  z-index: 100;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(2px);
  z-index: 99;
  display: none;
}

.mobile-drawer-overlay.open {
  display: block;
}

.mobile-drawer-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-primary-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-drawer-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-drawer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  color: #e2e8f0;
  border-left: 3px solid transparent;
  background: rgba(255, 255, 255, 0.03);
}

.mobile-drawer-link:hover, .mobile-drawer-link.active {
  background: rgba(234, 88, 12, 0.15);
  border-left-color: var(--color-accent-orange);
  color: #ffffff;
}

.mobile-drawer-contact {
  margin-top: auto;
  padding: 1.25rem;
  border-top: 1px solid var(--color-primary-800);
  background: var(--color-primary-950);
}

/* ==========================================================================
   Hero Bölümü (Industrial Heavy Duty)
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary-950) 0%, var(--color-primary-900) 60%, var(--color-primary-800) 100%);
  color: #ffffff;
  padding: 3rem 0 3.5rem 0;
  position: relative;
  border-bottom: 4px solid var(--color-accent-orange);
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.6;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(234, 88, 12, 0.2);
  border: 1px solid var(--color-accent-orange);
  color: #fed7aa;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.25rem;
  line-height: 1.15;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.hero-title span {
  color: var(--color-accent-orange);
  display: inline-block;
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 2px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent-orange);
  color: #ffffff;
  box-shadow: 0 4px 0 #9a3412;
}

.btn-primary:hover {
  background-color: var(--color-accent-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 5px 0 #9a3412;
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #9a3412;
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #64748b;
}

.btn-secondary:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.btn-whatsapp {
  background-color: #16a34a;
  color: #ffffff;
  box-shadow: 0 4px 0 #14532d;
}

.btn-whatsapp:hover {
  background-color: #15803d;
  transform: translateY(-1px);
}

.btn-whatsapp:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #14532d;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

/* Quick Branch Cards in Hero */
.hero-branch-box {
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}

.branch-box-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.branch-box-title span {
  font-size: 0.75rem;
  background: var(--color-accent-amber);
  color: var(--color-primary-950);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 800;
}

.branch-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.branch-quick-card {
  background: #0f172a;
  border-left: 4px solid var(--color-accent-orange);
  padding: 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.15s ease;
}

.branch-quick-card:hover {
  transform: translateX(4px);
}

.branch-quick-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.branch-quick-name {
  font-weight: 700;
  font-size: 1rem;
  color: #ffffff;
}

.branch-quick-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent-yellow);
  font-weight: 700;
  font-size: 0.9375rem;
  font-family: var(--font-mono);
}

.branch-quick-phone:hover {
  text-decoration: underline;
}

.branch-quick-desc {
  font-size: 0.8125rem;
  color: #94a3b8;
}

/* ==========================================================================
   Bölüm Başlıkları (Section Headers)
   ========================================================================== */
.section {
  padding: 4rem 0;
}

.section-bg-subtle {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.section-bg-dark {
  background-color: var(--color-primary-950);
  color: #ffffff;
}

.section-header {
  margin-bottom: 2.75rem;
}

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

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-orange);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary-900);
  letter-spacing: -0.02em;
}

.section-bg-dark .section-title {
  color: #ffffff;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  line-height: 1.6;
}

.section-bg-dark .section-subtitle {
  color: #cbd5e1;
}

/* ==========================================================================
   Ürün & Hizmet Kategorileri Izgarası
   ========================================================================== */
.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.category-card {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-800);
}

.category-badge-flag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.flag-gas {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.flag-weld {
  background: #ffedd5;
  color: #9a3412;
  border: 1px solid #fdba74;
}

.flag-tools {
  background: #e0f2fe;
  color: #075985;
  border: 1px solid #7dd3fc;
}

.flag-safety {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.category-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  background: var(--color-bg-subtle);
  color: var(--color-primary-900);
  border: 1px solid var(--color-border-medium);
}

.category-card:hover .category-icon {
  background: var(--color-primary-900);
  color: #ffffff;
  border-color: var(--color-primary-900);
}

.category-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-900);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.category-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.category-features {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.category-features li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.category-features li::before {
  content: "✔";
  color: var(--color-accent-orange);
  font-weight: bold;
}

.category-link {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary-900);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.15s;
}

.category-link:hover {
  color: var(--color-accent-orange);
}

/* ==========================================================================
   Sınai Gazlar & sinaigazlar.com Entegrasyon Köprüsü
   ========================================================================== */
.gas-spotlight-box {
  background: linear-gradient(135deg, #091e3a 0%, #0f172a 100%);
  border: 2px solid #0284c7;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.gas-spotlight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 992px) {
  .gas-spotlight-grid {
    grid-template-columns: 1.3fr 0.7fr;
  }
}

.gas-spotlight-badge {
  background: #0284c7;
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 1rem;
}

.gas-spotlight-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.gas-table-compact {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.875rem;
}

.gas-table-compact th, .gas-table-compact td {
  padding: 0.6rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.gas-table-compact th {
  color: #94a3b8;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.gas-partner-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.gas-partner-logo {
  font-size: 1.4rem;
  font-weight: 900;
  color: #38bdf8;
  letter-spacing: -0.02em;
}

/* ==========================================================================
   4 Uzman E-Ticaret Ağı Vitrini (E-Commerce Hub)
   ========================================================================== */
.ecommerce-hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

@media (min-width: 1200px) {
  .ecommerce-hub-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ecommerce-card {
  background: #ffffff;
  border: 2px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
}

.ecommerce-card:hover {
  border-color: var(--color-accent-orange);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.ecommerce-domain-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-orange);
  background: #fff7ed;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  width: fit-content;
  margin-bottom: 0.75rem;
  border: 1px solid #ffedd5;
}

.ecommerce-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-900);
  margin-bottom: 0.5rem;
}

.ecommerce-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.ecommerce-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.ecommerce-badge {
  font-size: 0.75rem;
  background: var(--color-bg-subtle);
  color: var(--color-primary-700);
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
  font-weight: 600;
}

/* ==========================================================================
   Şube Detayları & Sanayi Lokasyonları (Topkapı & İkitelli)
   ========================================================================== */
.branches-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .branches-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.branch-detail-card {
  background: #ffffff;
  border: 2px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.branch-card-header {
  background: var(--color-primary-900);
  color: #ffffff;
  padding: 1.5rem;
  border-bottom: 3px solid var(--color-accent-orange);
}

.branch-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.branch-card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.branch-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-grow: 1;
}

.branch-info-row {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9375rem;
}

.branch-info-icon {
  flex-shrink: 0;
  width: 22px;
  color: var(--color-accent-orange);
  margin-top: 0.15rem;
}

.branch-info-label {
  font-weight: 700;
  color: var(--color-primary-900);
  display: block;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.2rem;
}

.branch-info-value {
  color: var(--color-text-muted);
  line-height: 1.5;
}

.branch-action-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
}

/* ==========================================================================
   Hızlı Teklif & İletişim Masası (RFQ Desk)
   ========================================================================== */
.rfq-box {
  background: #ffffff;
  border: 2px solid var(--color-primary-900);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-group-full {
    grid-column: span 2;
  }
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-900);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--color-text-main);
  transition: border-color 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent-orange);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.15);
}

/* ==========================================================================
   Alt Bilgi (Footer)
   ========================================================================== */
.main-footer {
  background-color: var(--color-primary-950);
  color: #94a3b8;
  padding: 4rem 0 2rem 0;
  border-top: 4px solid var(--color-primary-800);
  margin-top: auto;
}

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

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.footer-col-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  border-left: 3px solid var(--color-accent-orange);
  padding-left: 0.6rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.875rem;
}

.footer-links a {
  color: #94a3b8;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Mobil Sabit İletişim Çubuğu (Mobile Bottom Bar)
   ========================================================================== */
.mobile-sticky-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary-950);
  border-top: 2px solid var(--color-accent-orange);
  z-index: 40;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0.25rem;
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  gap: 0.25rem;
}

.mobile-sticky-btn:last-child {
  border-right: none;
}

.mobile-sticky-btn.btn-call {
  background: #ea580c;
}

.mobile-sticky-btn.btn-wa {
  background: #16a34a;
}

/* Tablolar ve Veri Göstergeleri */
.tech-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-top: 1.5rem;
  font-size: 0.9rem;
}

.tech-table th {
  background: var(--color-primary-900);
  color: #ffffff;
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 700;
}

.tech-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

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

.tech-table tr:hover {
  background: var(--color-bg-subtle);
}

/* Küçük Yardımcı Sınıflar */
.badge-tech {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  color: var(--color-primary-800);
  border: 1px solid var(--color-border-medium);
}

/* ==========================================================================
   Resmi Logo Stili
   ========================================================================== */
.brand-logo-img {
  height: 50px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  display: block;
}

@media (max-width: 640px) {
  .brand-logo-img {
    height: 42px;
    max-width: 190px;
  }
}

/* ==========================================================================
   Marka Kayan Bant (Marquee Ticker)
   ========================================================================== */
.marquee-wrapper {
  overflow: hidden;
  user-select: none;
  background: var(--color-primary-950);
  padding: 1.15rem 0;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 3px solid var(--color-accent-orange);
  position: relative;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 45s linear infinite;
  gap: 1.5rem;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-sm);
  color: #f8fafc;
  font-weight: 700;
  font-size: 0.925rem;
  white-space: nowrap;
}

.marquee-item .item-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-accent-orange);
  border-radius: 50%;
}

/* ==========================================================================
   Fotoğraf Galerisi (Proofs & Gallery Grid)
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-card {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.gallery-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0f172a;
}

.gallery-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-card:hover .gallery-img-box img {
  transform: scale(1.05);
}

.gallery-card-body {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gallery-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-primary-900);
}

.gallery-card-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Google Maps Responsive Embed
   ========================================================================== */
.map-embed-wrapper {
  position: relative;
  width: 100%;
  min-height: 280px;
  height: 320px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-medium);
  box-shadow: var(--shadow-sm);
  margin-top: 1rem;
}

.map-embed-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ==========================================================================
   Markalar Sayfası Grid
   ========================================================================== */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .brands-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.brand-detail-card {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-left: 4px solid var(--color-primary-900);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.brand-detail-card:hover {
  border-left-color: var(--color-accent-orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.brand-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.brand-title-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary-900);
}

/* ==========================================================================
   Google Business Profil & Yorum Bileşenleri
   ========================================================================== */
.google-rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  padding: 0.35rem 0.85rem;
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-900);
}

.google-stars {
  color: #f59e0b;
  display: inline-flex;
  gap: 1px;
}

.google-review-card {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.google-review-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.review-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #e2e8f0;
  color: var(--color-primary-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
}

/* ==========================================================================
   Hedef Sektör ve İhtisas Alanları
   ========================================================================== */
.target-sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.target-sector-card {
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  transition: all 0.2s ease;
}

.target-sector-card:hover {
  border-color: var(--color-accent-orange);
  background-color: #fffaf5;
  transform: translateY(-2px);
}

.sector-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  color: var(--color-accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Teklif Butonları & E-Posta Aksiyonu
   ========================================================================== */
.btn-email {
  background: #1e293b;
  color: #ffffff;
  border: 1px solid #334155;
  box-shadow: 0 3px 0 #0f172a;
}

.btn-email:hover {
  background: #0f172a;
  color: #ffffff;
  transform: translateY(-1px);
}

/* ==========================================================================
   Google Harita & Canlı Yorum Çerçevesi (Interactive Embeds)
   ========================================================================== */
.review-user-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: #475569;
  background: #f1f5f9;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-top: 0.2rem;
}

.review-product-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0369a1;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  margin-top: 0.75rem;
}

.google-maps-tab-container {
  margin-top: 2.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.google-maps-tab-buttons {
  display: flex;
  gap: 0.75rem;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.google-tab-btn {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.25rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: #475569;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.google-tab-btn.active {
  background: var(--color-primary-900);
  color: #ffffff;
  border-color: var(--color-primary-900);
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.15);
}

.google-map-pane {
  display: none;
}

.google-map-pane.active {
  display: block;
}

.google-map-iframe-wrapper {
  position: relative;
  width: 100%;
  height: 340px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-medium);
}

.google-map-iframe-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}