/* ============================================================
   PolikarbonSera.com — main.css
   Tasarım Sistemi & Renk Paleti:
   Koyu Orman Yeşili (#123C2C) + Yaprak Yeşili (#2F6B4F) + 
   Sıcak Amber (#F2A900) + Grafit Metin (#202824) + Kırık Beyaz (#F5F7F3)
   ============================================================ */

/* 1. CSS CUSTOM PROPERTIES */
:root {
  --green-dark:    #123C2C;
  --green-mid:     #2F6B4F;
  --green-light:   #4D8B6E;
  --green-subtle:  #EAF3EE;
  --amber:         #F2A900;
  --amber-dark:    #D49200;
  --amber-light:   #FEF3D6;
  --blue-poly:     #C9E8EF;
  --blue-poly-subtle: #EDF7F9;
  --text-dark:     #202824;
  --text-mid:      #59645E;
  --text-light:    #7D8A84;
  --bg-cream:      #F5F7F3;
  --bg-cream-dark: #EAEFE7;
  --white:         #FFFFFF;
  --border:        #D8E0DA;
  --border-light:  #E8EEEA;
  --whatsapp:      #25D366;
  --whatsapp-dark: #1EBE5D;
  --success:       #16835B;
  --warning:       #C96A16;

  /* Semantic Design Tokens (kullanılan var(--color-*) değişkenleri) */
  --color-primary:       var(--green-mid);
  --color-primary-dark:  var(--green-dark);
  --color-primary-light: var(--green-light);
  --color-secondary:     var(--amber);
  --color-surface:       var(--white);
  --color-border:        var(--border);
  --color-text:          var(--text-dark);
  --color-text-muted:    var(--text-mid);
  --color-text-light:    var(--text-light);
  --color-bg:            var(--bg-cream);
  
  --shadow-sm:     0 1px 3px rgba(18,60,44,0.06);
  --shadow-md:     0 4px 16px rgba(18,60,44,0.08);
  --shadow-lg:     0 8px 30px rgba(18,60,44,0.12);
  
  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  
  --font-sans:     'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition:    0.25s ease;
  --max-w:         1240px;
}

/* 2. RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: clip;
}
body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--bg-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  width: 100%;
  position: relative;
}
img { max-width: 100%; height: auto; display: block; }
svg { max-width: 100%; vertical-align: middle; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; max-width: 100%; }

/* 3. UTILITY CLASSES */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-title-wrap { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-subtle);
  color: var(--green-mid);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.section-badge-amber {
  background: var(--amber-light);
  color: var(--amber-dark);
}
.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.6;
}

.text-center { text-align: center; }
.text-green  { color: var(--green-dark); }
.text-amber  { color: var(--amber); }
.text-mid    { color: var(--text-mid); }
.text-light  { color: var(--text-light); }
.bg-white    { background: var(--white); }
.bg-cream    { background: var(--bg-cream); }
.bg-green    { background: var(--green-dark); color: var(--white); }
.bg-green-mid{ background: var(--green-mid); color: var(--white); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.split-grid-2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split-grid-2 { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
  .section-title { font-size: 1.75rem; }
}

/* 4. BUTTONS & CTAS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  min-height: 48px;
  white-space: nowrap;
}
.btn-amber {
  background: var(--amber);
  color: var(--text-dark);
  box-shadow: 0 2px 8px rgba(242,169,0,0.3);
}
.btn-amber:hover {
  background: var(--amber-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(242,169,0,0.4);
}
.btn-green {
  background: var(--green-dark);
  color: #fff;
}
.btn-green:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--green-dark);
  color: var(--green-dark);
}
.btn-outline:hover {
  background: var(--green-dark);
  color: #fff;
}
.btn-outline-white {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-white:hover {
  background: #fff;
  color: var(--green-dark);
}
.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(37,211,102,0.4);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  min-height: 40px;
}
.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  min-height: 54px;
}
.btn-primary {
  background: var(--green-mid);
  color: #fff;
}
.btn-primary:hover {
  background: var(--green-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-secondary {
  background: var(--amber);
  color: var(--text-dark);
  box-shadow: 0 2px 8px rgba(242,169,0,0.3);
}
.btn-secondary:hover {
  background: var(--amber-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(242,169,0,0.4);
}
.btn-block {
  width: 100%;
  display: flex;
}

/* Quick Navigation Bar */
.quick-nav-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 14px;
  background: #F8FAF7;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.quick-nav-label {
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--green-dark);
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

@media (min-width: 992px) {
  .quick-nav-bar {
    flex-wrap: nowrap !important;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .quick-nav-bar::-webkit-scrollbar {
    display: none;
  }
}

.quick-nav-chip {
  padding: 5px 10px;
  font-size: 0.8rem;
  background: #ffffff;
  border: 1.5px solid var(--border);
  color: var(--green-dark);
  border-radius: var(--radius-md);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  white-space: nowrap;
  flex-shrink: 0;
}
.quick-nav-chip:hover {
  background: var(--green-dark) !important;
  border-color: var(--green-dark) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(47, 107, 79, 0.2);
}
.quick-nav-chip:hover svg,
.quick-nav-chip:hover svg path,
.quick-nav-chip:hover svg polygon,
.quick-nav-chip:hover svg line,
.quick-nav-chip:hover svg circle {
  stroke: #ffffff !important;
  color: #ffffff !important;
}

/* Card Component */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
}

/* Badge Component */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Hover Lift Effect */
.hover-lift {
  transition: transform var(--transition), box-shadow var(--transition);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* 5. TOP INFO BAR */
.topbar {
  background: var(--green-dark);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 8px 0;
  white-space: nowrap;
}
.topbar .container,
.navbar .container {
  max-width: 1400px;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
  flex-shrink: 0;
}
.topbar-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--amber);
  font-weight: 600;
  white-space: nowrap;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
}
.topbar-link:hover {
  color: var(--amber);
}
@media (max-width: 768px) {
  .topbar { display: none; }
}

/* 6. MAIN NAVBAR (DESKTOP) */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  flex-wrap: nowrap;
  gap: 12px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}
.navbar-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  flex-shrink: 0;
}
.navbar-logo-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}
.navbar-logo-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.15;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.navbar-logo-title span {
  color: var(--green-mid);
}
.navbar-logo-sub {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--amber-dark);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.nav-item {
  position: relative;
  flex-shrink: 0;
  white-space: nowrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link span {
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--green-mid);
  background: var(--green-subtle);
}
.nav-chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition);
  opacity: 0.6;
  flex-shrink: 0;
}
.nav-item:hover .nav-chevron {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1050;
  white-space: normal;
}
.nav-item:hover .nav-dropdown {
  display: block;
  opacity: 1;
  transform: translateY(0);
}
.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-dropdown a:hover {
  background: var(--green-subtle);
  color: var(--green-dark);
  padding-left: 16px;
}
.nav-dropdown a svg {
  width: 16px;
  height: 16px;
  color: var(--green-mid);
  flex-shrink: 0;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}
.navbar-actions .btn {
  padding: 9px 16px;
  font-size: 0.84rem;
  min-height: 40px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  gap: 6px;
  letter-spacing: 0.2px;
}

/* 7. HAMBURGER & OFF-CANVAS MOBILE MENU */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-cream);
  color: var(--green-dark);
  align-items: center;
  justify-content: center;
}
@media (max-width: 1280px) {
  .nav-link {
    padding: 7px 7px;
    font-size: 0.81rem;
    gap: 3px;
  }
  .navbar-logo-title {
    font-size: 1.10rem;
  }
  .navbar-actions .btn {
    padding: 8px 12px;
    font-size: 0.78rem;
  }
}
@media (max-width: 1120px) {
  .navbar-nav, .navbar-actions .btn { display: none; }
  .hamburger { display: flex; }
}

.offcanvas-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.offcanvas-overlay.active {
  opacity: 1;
  visibility: visible;
}

html.menu-open,
body.menu-open {
  overflow: hidden !important;
  height: 100% !important;
  touch-action: none;
}

.offcanvas-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 88%;
  max-width: 340px;
  height: 100%;
  height: 100dvh;
  background: var(--white);
  z-index: 2050;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 30px rgba(0,0,0,0.25);
}
.offcanvas-panel.active {
  transform: translateX(0);
}
.offcanvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-cream);
  flex-shrink: 0;
}
.offcanvas-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.offcanvas-brand-text {
  display: flex;
  flex-direction: column;
}
.offcanvas-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border-light);
  transition: background 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}
.offcanvas-close:hover {
  background: var(--red-50, #fee2e2);
  color: var(--red-600, #dc2626);
}
.offcanvas-body {
  padding: 12px 18px 20px;
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.offcanvas-body::-webkit-scrollbar {
  width: 5px;
}
.offcanvas-body::-webkit-scrollbar-track {
  background: transparent;
}
.offcanvas-body::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.18);
  border-radius: 4px;
}
.offcanvas-body::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35);
}
.offcanvas-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
  text-decoration: none;
  transition: color 0.2s ease;
}
.offcanvas-nav-link:hover {
  color: var(--green-dark);
}
.offcanvas-details {
  border-bottom: 1px solid var(--border-light);
}
.offcanvas-details > summary.offcanvas-nav-link {
  list-style: none;
  border-bottom: none;
  cursor: pointer;
  user-select: none;
}
.offcanvas-details > summary::-webkit-details-marker,
.offcanvas-details > summary::marker {
  display: none;
}
.offcanvas-chevron {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform 0.25s ease, color 0.2s ease;
  flex-shrink: 0;
}
.offcanvas-details[open] > summary .offcanvas-chevron {
  transform: rotate(180deg);
  color: var(--green-dark);
}
.offcanvas-details[open] > summary {
  color: var(--green-dark);
}
.offcanvas-sublinks {
  padding: 4px 0 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: #f8faf8;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border-left: 2.5px solid var(--green-mid);
}
.offcanvas-sublinks a {
  font-size: 0.86rem;
  color: var(--text-mid);
  padding: 5px 8px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.offcanvas-sublinks a:hover {
  color: var(--green-dark);
  background: rgba(46, 125, 50, 0.08);
  font-weight: 600;
}
.offcanvas-sublinks a.sublink-highlight {
  font-weight: 700;
  color: var(--green-mid);
  border-top: 1px dashed var(--border-light);
  margin-top: 3px;
  padding-top: 6px;
}
.offcanvas-quote-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  margin: 12px 0 6px;
  background: linear-gradient(135deg, rgba(242,169,0,0.12) 0%, rgba(46,125,50,0.08) 100%);
  border: 1.5px solid var(--amber);
  border-radius: var(--radius-md);
  font-weight: 700;
  color: var(--text-dark);
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.2s ease;
}
.offcanvas-quote-link:hover {
  background: var(--amber);
  transform: translateY(-1px);
}
.offcanvas-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border-light);
  background: var(--bg-cream);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.offcanvas-actions-row {
  display: flex;
  gap: 8px;
  width: 100%;
}
.offcanvas-actions-row .btn {
  flex: 1;
  min-height: 42px;
  padding: 8px 10px;
  font-size: 0.85rem;
}

/* 8. HERO SECTION */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--green-dark) 0%, #1a4d3a 100%);
  color: #fff;
  padding: 80px 0 90px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,169,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: 620px;
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span {
  color: var(--amber);
}
.hero p {
  font-size: 1.15rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
}
.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-trust-item svg {
  color: var(--amber);
  width: 18px;
  height: 18px;
}

/* 9. MINI HERO CALCULATOR WIDGET */
.hero-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--text-dark);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.2);
}
.hero-card h3 {
  font-size: 1.35rem;
  color: var(--green-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-cream);
  font-size: 0.92rem;
  color: var(--text-dark);
  transition: border var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--green-mid);
  background: #fff;
}

/* Lead Form Trust Guarantee Bar */
.lead-trust-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--green-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-top: 18px;
  gap: 12px;
}
.lead-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  justify-content: center;
}
.lead-trust-icon {
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 50%;
  background: var(--white);
  color: var(--green-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(18,60,44,0.08);
  border: 1px solid rgba(47,107,79,0.12);
  flex-shrink: 0;
}
.lead-trust-icon svg {
  width: 16px;
  height: 16px;
}
.lead-trust-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  text-align: left;
}
.lead-trust-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--green-dark);
  white-space: nowrap;
}
.lead-trust-sub {
  font-size: 0.72rem;
  color: var(--text-mid);
  white-space: nowrap;
}
.lead-trust-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  flex-shrink: 0;
}

@media (max-width: 680px) {
  .lead-trust-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px 16px;
  }
  .lead-trust-divider {
    display: none;
  }
  .lead-trust-item {
    justify-content: flex-start;
  }
}

.calc-result-box {
  background: var(--green-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 20px 0;
}
.calc-result-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green-mid);
  text-transform: uppercase;
}
.calc-result-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-top: 4px;
}
.calc-result-meta {
  font-size: 0.78rem;
  color: var(--text-mid);
  margin-top: 4px;
}

/* Dedicated Calculator Page & Widget */
.calculator-container {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.calc-controls {
  display: flex;
  flex-direction: column;
}
.calc-results-card {
  background: var(--white);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .hero { padding: 48px 0 60px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
}

/* 10. QUICK CHOICE CARDS */
.choice-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.choice-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-light);
}
.choice-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--green-subtle);
  color: var(--green-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.choice-card h3 {
  font-size: 1.25rem;
  color: var(--green-dark);
  margin-bottom: 10px;
}
.choice-card p {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.55;
  margin-bottom: 20px;
  flex: 1;
}
.choice-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--green-mid);
  font-size: 0.9rem;
}
.choice-card:hover .choice-link {
  color: var(--amber-dark);
  gap: 10px;
}

/* 11. MODEL & PACKAGE CARDS */
.item-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.item-card-media {
  height: 200px;
  background: linear-gradient(135deg, var(--green-subtle) 0%, var(--blue-poly-subtle) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.item-card-media svg {
  width: 80px;
  height: 80px;
  color: var(--green-mid);
  opacity: 0.85;
}
.item-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--amber);
  color: var(--text-dark);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}
.item-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.item-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.item-card-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}
.item-card-meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 16px;
  font-size: 0.8rem;
}
.item-card-meta-label {
  color: var(--text-light);
}
.item-card-meta-val {
  font-weight: 600;
  color: var(--text-dark);
  text-align: right;
}
.item-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.item-card-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--green-dark);
}
.item-card-price small {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-light);
}

/* 12. QUICK INFO CARD (HIZLI BİLGİ KARTI) */
.quick-info-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
}
.quick-info-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.quick-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.quick-info-item {
  background: var(--bg-cream);
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}
.quick-info-lbl {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}
.quick-info-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green-dark);
}
@media (max-width: 768px) {
  .quick-info-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 13. COMPARISON & TECHNICAL TABLES */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--white);
  margin: 24px 0;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}
th, td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
}
th {
  background: var(--bg-cream);
  color: var(--green-dark);
  font-weight: 700;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-cream); }

/* 14. PROCESS STEPS */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-step {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
}
.process-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green-dark);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 18px;
}
.process-step h4 {
  font-size: 1.1rem;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.5;
}
@media (max-width: 900px) {
  .process-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* 15. FAQ ACCORDION */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border var(--transition);
}
.faq-item.active {
  border-color: var(--green-mid);
}
.faq-question {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--green-dark);
  text-align: left;
  gap: 16px;
}
.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--green-mid);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 22px 20px;
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.6;
  display: none;
}
.faq-item.active .faq-answer {
  display: block !important;
}

/* 16. BREADCRUMBS */
.breadcrumb-bar, .breadcrumb-wrapper {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
  font-size: 0.82rem;
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--text-light);
}
.breadcrumb-item {
  display: inline-flex;
  align-items: center;
}
.breadcrumb-list a {
  color: var(--text-mid);
}
.breadcrumb-list a:hover {
  color: var(--green-mid);
}
.breadcrumb-sep, .breadcrumb-separator {
  opacity: 0.5;
}
.breadcrumb-current {
  color: var(--green-dark);
  font-weight: 600;
}

/* 17. FOOTER */
.footer, .site-footer {
  background: var(--green-dark);
  color: #fff;
  padding-top: 60px;
}
.footer-trust-bar {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 48px;
  margin-bottom: 48px;
}
.footer-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.footer-trust-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.footer-trust-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.footer-trust-info h5 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: #fff;
}
.footer-trust-info p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.45;
}

.footer-main {
  padding-bottom: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.05fr 1.05fr 1.1fr;
  gap: 36px;
}
.footer-title, .footer-col h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
  letter-spacing: -0.2px;
}
.footer-title::after, .footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
  opacity: 0.85;
}
.footer-links, .footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-links a, .footer-col a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.76);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover, .footer-col a:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}
.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.65;
  margin: 14px 0 20px;
}

/* Elegant Contact Items */
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}
.footer-contact-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(242, 169, 0, 0.35);
  transform: translateY(-1px);
}
.footer-contact-item.highlight {
  background: rgba(37, 211, 102, 0.08);
  border-color: rgba(37, 211, 102, 0.3);
}
.footer-contact-item.highlight:hover {
  background: rgba(37, 211, 102, 0.16);
  border-color: var(--whatsapp);
}
.footer-contact-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.footer-contact-item.highlight .footer-contact-icon {
  background: var(--whatsapp);
  color: #FFFFFF;
}
.footer-contact-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.footer-contact-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2px;
}
.footer-contact-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.4;
  word-break: break-word;
}
.footer-contact-item.highlight .footer-contact-value {
  color: #A3F7BF;
  font-size: 0.95rem;
  font-weight: 700;
}

/* Regional Cities Modern Glassmorphism Card */
.footer-regions-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-top: 48px;
  backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.footer-regions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-regions-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-regions-subtitle {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
}
.footer-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.footer-pill-link {
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.82);
  padding: 5px 12px;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.footer-pill-link:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--green-dark);
  font-weight: 600;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(242, 169, 0, 0.25);
}
.footer-pill-all {
  background: var(--amber);
  border: 1px solid var(--amber);
  color: var(--green-dark);
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-pill-all:hover {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.25);
}

/* Footer Bottom Bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0 28px;
  margin-top: 36px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom-brand {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
  line-height: 1.5;
}
.footer-bottom-brand strong {
  color: #FFFFFF;
}
.footer-bottom-brand a {
  color: #FFFFFF;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.footer-bottom-brand a:hover {
  color: var(--amber);
}
.footer-bottom-spec {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-bottom-spec svg {
  color: var(--amber);
}
.footer-bottom-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}
.footer-bottom-links a:hover {
  color: var(--amber);
}
.footer-bottom-credit {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.82rem;
  line-height: 1.5;
}
.footer-bottom-credit a {
  color: #FFFFFF;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.footer-bottom-credit a:hover {
  color: var(--amber);
}

@media (max-width: 1024px) {
  .footer-trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  .footer-engineering-line {
    flex-direction: column;
    text-align: center;
    justify-content: center;
    gap: 8px;
  }
  .footer-bottom-links {
    justify-content: center;
  }
}

/* 18. FLOATING BUTTONS (WHATSAPP & SCROLL-TO-TOP) */
/* Sol-alt Yukarı Çık Butonu (rules.md Kural 37) */
.btn-scroll-top, .scroll-top {
  position: fixed;
  bottom: 24px;
  left: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green-dark);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1500;
}
.btn-scroll-top.visible, .scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.btn-scroll-top:hover, .scroll-top:hover {
  background: var(--green-mid);
  transform: translateY(-3px);
}
.btn-scroll-top svg, .scroll-top svg {
  width: 22px;
  height: 22px;
}

/* Sağ-alt WhatsApp Butonu Pulse Animasyonlu (rules.md Kural 38) */
.btn-whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  transition: all 0.3s ease;
  animation: waPulse 2s infinite;
}
.btn-whatsapp-float:hover {
  transform: scale(1.08);
  background: var(--whatsapp-dark);
  box-shadow: 0 6px 22px rgba(37,211,102,0.5);
}
.btn-whatsapp-float svg {
  width: 32px;
  height: 32px;
}
.wa-tooltip {
  position: absolute;
  right: 70px;
  background: var(--text-dark);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
}
.btn-whatsapp-float:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes waPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37,211,102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37,211,102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37,211,102, 0);
  }
}

/* 19. REHBER MAKALE İÇERİK STİLLERİ (BİLGİ MERKEZİ) */
.article-wrap {
  max-width: 840px;
  margin: 0 auto;
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.article-meta {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 12px;
}
.article-toc {
  background: var(--bg-cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 36px;
}
.article-toc h4 {
  font-size: 1rem;
  color: var(--green-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-toc ol {
  padding-left: 20px;
  list-style: decimal;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-mid);
}
.article-body h2 {
  font-size: 1.6rem;
  color: var(--green-dark);
  margin: 36px 0 16px;
  line-height: 1.3;
}
.article-body h3 {
  font-size: 1.25rem;
  color: var(--green-mid);
  margin: 24px 0 12px;
}
.article-body p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
  margin-bottom: 8px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .article-wrap { padding: 24px 18px; }
}