/* ==========================================================================
   VORTEX HEAT - ENDÜSTRİYEL VE MİMARİ PELET ISITMA SİSTEMLERİ
   Modern, Prestijli, Gerçekçi Kurumsal Tasarım Sistemi (Light & Architectural)
   ========================================================================== */

:root {
  /* Renk Paleti - Doğal Taş, Grafit & Bakır Ateş */
  --bg-white: #ffffff;
  --bg-stone-50: #f8fafc;
  --bg-stone-100: #f1f5f9;
  --bg-stone-200: #e2e8f0;
  --bg-stone-800: #1e293b;
  --bg-stone-900: #0f172a;
  --bg-stone-950: #020617;

  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  /* Vurgular */
  --primary: #c2410c;         /* Sıcak Terrakotta / Bakır Ateş */
  --primary-hover: #9a3412;
  --primary-light: #fff7ed;
  --primary-border: #fed7aa;

  --accent-amber: #d97706;
  --accent-emerald: #15803d;
  --accent-emerald-light: #f0fdf4;

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

  /* Tipografi */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Gölgeler & Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 10px 25px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-elevated: 0 20px 40px -15px rgba(15, 23, 42, 0.15);

  --container-width: 1536px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg-white);
  color: var(--text-main);
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  color: var(--text-body);
  background-color: var(--bg-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

h1 {
  color: var(--primary);
}

h2 {
  background: linear-gradient(to right, var(--text-main), var(--text-body));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 6px rgba(194, 65, 12, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(194, 65, 12, 0.35);
  color: #ffffff;
}

.btn-dark {
  background-color: var(--bg-stone-900);
  color: #ffffff;
  border-color: var(--bg-stone-900);
}

.btn-dark:hover {
  background-color: var(--bg-stone-800);
  border-color: var(--bg-stone-800);
  color: #ffffff;
}

.btn-outline {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-medium);
}

.btn-outline:hover {
  background-color: var(--bg-stone-50);
  border-color: var(--text-main);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
  color: #ffffff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

.badge-dark {
  background-color: var(--bg-stone-100);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.badge-success {
  background-color: var(--accent-emerald-light);
  color: var(--accent-emerald);
  border: 1px solid #bbf7d0;
}

/* ==========================================================================
   TOP BAR & NAVIGATION (KURUMSAL HEADER)
   ========================================================================== */
.top-header-bar {
  background-color: var(--bg-stone-900);
  color: var(--text-light);
  font-size: 0.82rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #cbd5e1;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.top-bar-right a:hover {
  color: #ffffff;
}

/* Main Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 120px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-symbol {
  width: 44px;
  height: 44px;
  background-color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.brand-subtitle {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary);
  text-transform: uppercase;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-body);
  padding: 10px 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

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

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 250px;
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover);
  padding: 10px 0;
  display: none;
  z-index: 120;
}

.nav-item:hover .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: block;
  padding: 9px 18px;
  font-size: 0.88rem;
  color: var(--text-body);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-stone-50);
  color: var(--primary);
  padding-left: 22px;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xs);
  padding: 8px;
  color: var(--text-main);
  cursor: pointer;
}

/* ==========================================================================
   BREADCRUMBS & PAGE HERO (İÇ SAYFALAR)
   ========================================================================== */
.page-hero {
  background: linear-gradient(to bottom, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 56px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-hero h1 {
  color: #ffffff;
  font-size: 2.75rem;
  margin-bottom: 14px;
  font-weight: 800;
}

.page-hero p {
  color: #cbd5e1;
  font-size: 1.15rem;
  max-width: 800px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: #94a3b8;
  margin-bottom: 20px;
}

.breadcrumbs a {
  color: #cbd5e1;
}

.breadcrumbs a:hover {
  color: #ffffff;
}

.breadcrumbs span.separator {
  color: #64748b;
}

.breadcrumbs span.current {
  color: var(--primary-border);
  font-weight: 600;
}

/* ==========================================================================
   HOMEPAGE HERO SECTION
   ========================================================================== */
.home-hero {
  background: url('../images/pelet-soba-isitma-sistemi.webp') center center / cover no-repeat;
  color: #ffffff;
  padding: 70px 0 80px;
  position: relative;
  overflow: hidden;
}

.home-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.78) 40%, rgba(30, 41, 59, 0.72) 100%);
  pointer-events: none;
}

.home-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 70% 50%, rgba(194, 65, 12, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.home-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.home-hero-content h1 {
  color: #ffffff;
  background: none;
  -webkit-text-fill-color: #ffffff;
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.home-hero-content h1 span.highlight {
  color: #fb923c;
  -webkit-text-fill-color: #fb923c;
}

.home-hero-content p.lead {
  color: #cbd5e1;
  font-size: 1.18rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-features-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 28px;
}

.hero-feature-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-feature-item strong {
  color: #ffffff;
  font-size: 1.25rem;
  font-family: var(--font-heading);
}

.hero-feature-item span {
  color: #94a3b8;
  font-size: 0.82rem;
}

.home-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-card-display {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  max-width: 480px;
  width: 100%;
}

.hero-card-img-wrap {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  position: relative;
}

.hero-card-img-wrap img {
  max-height: 420px;
  margin: 0 auto;
  object-fit: contain;
}

.hero-card-footer {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-price-tag {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
}

/* ==========================================================================
   GENERIC SECTIONS & HEADINGS
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--bg-stone-50);
}

.section-dark {
  background-color: var(--bg-stone-900);
  color: #ffffff;
}

.section-dark h2, .section-dark h3 {
  color: #ffffff;
}

.section-dark p {
  color: #94a3b8;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 52px;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-subtitle {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.35rem;
  margin-bottom: 14px;
}

.section-lead {
  font-size: 1.08rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PRODUCT CARDS & CATALOG GRID
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-medium);
}

.product-card-img-wrap {
  position: relative;
  background-color: var(--bg-stone-50);
  padding: 0;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-card-img-wrap img {
  transform: scale(1.04);
}

.product-badge-top {
  position: absolute;
  top: 14px;
  left: 14px;
}

.product-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-category {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}

.product-card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.product-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex: 1;
}

.product-card-specs {
  list-style: none;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-body);
}

.product-card-specs li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.product-price small {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  display: block;
}

/* ==========================================================================
   TECHNICAL SPECIFICATIONS TABLE
   ========================================================================== */
.spec-table-container {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.spec-table th, .spec-table td {
  padding: 16px 20px;
  text-align: left;
}

.spec-table th {
  background-color: var(--bg-stone-50);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-light);
}

.spec-table tr:not(:last-child) td {
  border-bottom: 1px solid var(--border-light);
}

.spec-table tr:hover td {
  background-color: #fafbfc;
}

.spec-table td.feature-label {
  font-weight: 600;
  color: var(--text-main);
  width: 35%;
}

.spec-table td.feature-value {
  color: var(--text-body);
}

/* ==========================================================================
   COMPARISON & SAVINGS BOX
   ========================================================================== */
.savings-calculator-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-hover);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.calc-input-box {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.calc-slider-group label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.calc-slider-group input[type="range"] {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-stone-200);
  outline: none;
  cursor: pointer;
}

.calc-slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.calc-results-card {
  background-color: var(--bg-stone-50);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 30px;
}

.calc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.calc-result-row.highlight {
  background-color: #ffffff;
  border: 1px solid var(--accent-emerald);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 14px 0;
  color: var(--accent-emerald);
  font-weight: 700;
}

.calc-result-row.highlight span.cost {
  font-size: 1.25rem;
}

/* ==========================================================================
   B2B & WHOLESALE / TOPTAN BÖLÜMÜ
   ========================================================================== */
.wholesale-tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.tier-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  position: relative;
}

.tier-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.tier-card.featured::before {
  content: 'EN ÇOK TERCİH EDİLEN';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

.tier-title {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.tier-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.tier-discount {
  font-size: 2.2rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 0.9rem;
}

.tier-features li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tier-features li svg {
  color: var(--accent-emerald);
  min-width: 18px;
}

/* ==========================================================================
   BLOG & ARTICLE CARDS
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.blog-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.blog-card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.blog-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.blog-card:hover .blog-card-img-wrap img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.blog-card-title {
  font-size: 1.2rem;
  line-height: 1.35;
  margin-bottom: 12px;
}

.blog-card-title a:hover {
  color: var(--primary);
}

.blog-card-snippet {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex: 1;
}

/* Single Article Layout */
.article-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 60px 24px;
}

.article-content {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--text-body);
}

.article-content h2 {
  font-size: 1.85rem;
  margin-top: 40px;
  margin-bottom: 18px;
}

.article-content h3 {
  font-size: 1.4rem;
  margin-top: 30px;
  margin-bottom: 14px;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-callout {
  background-color: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 20px 24px;
  border-radius: var(--radius-xs);
  margin: 30px 0;
  font-size: 1rem;
}

/* ==========================================================================
   CONTACT FORM & LOCAL SEO (İSTANBUL SAYFASI)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
}

.contact-info-card {
  background-color: var(--bg-stone-50);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-form-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
  background-color: #ffffff;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Local SEO District List (İstanbul İlçeleri) */
.districts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.district-item {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.district-item:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER (KURUMSAL VE KAPSAMLI)
   ========================================================================== */
.site-footer {
  background: linear-gradient(to bottom, var(--bg-stone-900), var(--bg-stone-950));
  color: #f8fafc;
  font-size: 0.95rem;
  padding-top: 80px;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: #cbd5e1;
}

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

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #94a3b8;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: #ffffff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-2px);
  background-color: #20ba5a;
  color: #ffffff;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .home-hero-grid, .calc-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .products-grid, .wholesale-tiers-grid, .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .districts-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-header-bar {
    display: none;
  }

  .navbar-inner {
    height: 70px;
  }

  .nav-menu, .nav-cta .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .home-hero-content h1 {
    font-size: 2.35rem;
  }

  .page-hero h1 {
    font-size: 2.1rem;
  }

  .products-grid, .wholesale-tiers-grid, .blog-grid, .districts-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-features-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Layout Sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--bg-stone-50);
}

.section-dark {
  background-color: var(--bg-stone-900);
  color: #ffffff;
}

/* ==========================================================================
   SEO İÇERİK BİLEŞENLERİ (Kısa sayfalar için zengin içerik blokları)
   ========================================================================== */
.seo-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.seo-split.reverse .seo-split-media { order: 2; }
.seo-split-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  aspect-ratio: 4 / 3;
  background: var(--bg-stone-100);
}
.seo-split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.seo-split-media:hover img { transform: scale(1.04); }
.seo-media-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.seo-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1.2;
  margin: 10px 0 18px;
  color: var(--text-main);
}
.seo-text h3 { font-family: var(--font-heading); margin: 22px 0 10px; color: var(--text-main); }
.seo-text p { color: var(--text-body); line-height: 1.8; margin-bottom: 14px; }
.seo-text .btn { margin-top: 12px; margin-right: 10px; }

.check-list { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 12px; }
.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--text-body);
  line-height: 1.6;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-border);
}
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--primary-light), #ffedd5);
  border: 1px solid var(--primary-border);
  margin-bottom: 18px;
}
.feature-card h3 { font-family: var(--font-heading); font-size: 1.15rem; margin-bottom: 10px; color: var(--text-main); }
.feature-card p { font-size: 0.95rem; line-height: 1.7; color: var(--text-muted); margin: 0; }

.stats-band {
  background: linear-gradient(135deg, var(--bg-stone-900) 0%, #1c1410 60%, #431407 100%);
  border-radius: var(--radius-xl);
  padding: 48px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-elevated);
  position: relative;
  overflow: hidden;
}
.stats-band::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  right: -80px;
  top: -120px;
  background: radial-gradient(circle, rgba(234, 88, 12, 0.35), transparent 70%);
  pointer-events: none;
}
.stat-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  background: linear-gradient(90deg, #fdba74, #fb923c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-item span { color: #cbd5e1; font-size: 0.92rem; }

.img-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-auto-rows: 220px;
  gap: 16px;
}
.img-gallery figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.img-gallery figure:first-child { grid-row: span 2; }
.img-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; display: block; }
.img-gallery figure:hover img { transform: scale(1.06); }
.img-gallery figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 16px 14px;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.85), transparent);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step-card {
  position: relative;
  padding: 34px 24px 26px;
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  border: 1px dashed var(--primary-border);
}
.step-card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -18px;
  left: 24px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 16px rgba(194, 65, 12, 0.35);
}
.step-card h3 { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 8px; }
.step-card p { font-size: 0.94rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
.faq-list details {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0 24px;
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.faq-list details[open] { border-color: var(--primary-border); box-shadow: var(--shadow-card); }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding: 0 0 20px; margin: 0; color: var(--text-body); line-height: 1.75; }

.cta-band {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 64px 48px;
  color: #fff;
  text-align: center;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.92), rgba(154, 52, 18, 0.88)), var(--cta-bg, none) center / cover no-repeat;
  box-shadow: var(--shadow-elevated);
}
.cta-band h2 { font-family: var(--font-heading); font-size: clamp(1.6rem, 3vw, 2.4rem); color: #fff !important; margin-bottom: 14px; }
.cta-band p { color: #e2e8f0; max-width: 720px; margin: 0 auto 28px; line-height: 1.7; }
.cta-band .btn { margin: 6px; }
.cta-band .btn-outline { color: #fff; border-color: rgba(255, 255, 255, 0.6); background: transparent; }

.seo-block + .seo-block { margin-top: 90px; }

@media (max-width: 992px) {
  .seo-split { grid-template-columns: 1fr; gap: 32px; }
  .seo-split.reverse .seo-split-media { order: 0; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .img-gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
  .img-gallery figure:first-child { grid-column: span 2; grid-row: span 1; }
}
@media (max-width: 576px) {
  .stats-band { grid-template-columns: 1fr 1fr; padding: 32px 18px; }
  .img-gallery { grid-template-columns: 1fr; }
  .img-gallery figure:first-child { grid-column: span 1; }
  .cta-band { padding: 44px 22px; }
  .seo-block + .seo-block { margin-top: 60px; }
}