/* ==========================================================================
   ENDÜSTRİYEL NEM ALMA SİSTEMLERİ - DEHUTECH & SKY ENERJİ
   Design System & Modern CSS Stylesheet (Beyaz & Mavi Kurumsal Tema)
   ========================================================================== */

:root {
  /* Renk Paleti - Beyaz & Mavi Kurumsal */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f0f7ff;
  --color-bg-surface: #f1f5f9;
  --color-bg-light: #ffffff;
  
  --color-primary: #0284c7;
  --color-primary-dark: #0369a1;
  --color-primary-light: #38bdf8;
  --color-primary-glow: rgba(2, 132, 199, 0.18);
  --color-cyan: #0284c7;
  --color-accent-amber: #e65100;
  --color-accent-amber-glow: rgba(230, 81, 0, 0.15);
  --color-success: #16a34a;
  --color-danger: #dc2626;

  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-dim: #64748b;
  --color-border: #e2e8f0;
  --color-border-hover: #93c5fd;

  /* Tipografi */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Boyutlar & Aralıklar */
  --container-max: 1240px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Gölgeler & Efektler */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.10), 0 10px 15px -3px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 20px rgba(2, 132, 199, 0.15);
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografi */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: #0f172a;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

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

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

ul {
  list-style: none;
}

/* Düzen Konteynerları */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 5.5rem;
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-secondary);
  border-block: 1px solid var(--color-border);
}

/* Bölüm Başlıkları */
.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.1rem;
}

.badge-cyan {
  background: #e0f2fe;
  color: #0284c7;
  border: 1px solid #bae6fd;
}

.badge-amber {
  background: #fff7ed;
  color: #ea580c;
  border: 1px solid #fed7aa;
}

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

.section-title span.highlight {
  color: var(--color-primary);
  background: linear-gradient(120deg, #0284c7, #0369a1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0056b3);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(2, 132, 199, 0.4);
  background: linear-gradient(135deg, #0369a1, #004494);
  color: #ffffff;
}

.btn-accent {
  background: linear-gradient(135deg, #ea580c, #c2410c);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.28);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(234, 88, 12, 0.4);
  background: linear-gradient(135deg, #f97316, #c2410c);
  color: #ffffff;
}

.btn-outline {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: #0284c7;
  color: #0284c7;
  background: #f0f9ff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
}

/* ==========================================================================
   Üst Gezinme Çubuğu (Navbar - Modern, Minimal & Kurumsal Beyaz/Mavi)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.site-header.scrolled {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  border-bottom-color: #cbd5e1;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 2rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: #0f172a;
  letter-spacing: 0.05em;
  line-height: 1;
}

.brand-accent {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  font-weight: 500;
  position: relative;
  padding-block: 0.4rem;
  letter-spacing: -0.01em;
  transition: var(--transition);
  white-space: nowrap;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-shrink: 0;
}

.header-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: #0f172a;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: var(--transition);
  white-space: nowrap;
}

.header-phone-link:hover {
  background: #f0f9ff;
  border-color: #bae6fd;
  color: var(--color-primary);
}

.phone-icon-wrap {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e0f2fe;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.75rem;
}

.header-cta-btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  gap: 0.45rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.mobile-toggle {
  display: none;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #0f172a;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ==========================================================================
   Hero Bölümü (Beyaz & Mavi)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 92vh;
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 85% 20%, rgba(2, 132, 199, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 10% 80%, rgba(240, 249, 255, 0.9) 0%, transparent 45%),
              #ffffff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-title {
  margin-bottom: 1.4rem;
  line-height: 1.2;
  color: #0f172a;
}

.hero-title span.glow {
  color: var(--color-primary);
  background: linear-gradient(135deg, #0284c7 20%, #0369a1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.18rem;
  margin-bottom: 2.2rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat-item .stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}

.stat-item .stat-num span {
  color: var(--color-primary);
}

.stat-item .stat-label {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  font-weight: 500;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(2, 132, 199, 0.25), 0 8px 16px rgba(0, 0, 0, 0.06);
  border: 1px solid #bae6fd;
}

.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.02);
}

.hero-floating-card {
  position: absolute;
  bottom: 20px;
  left: -20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid #bae6fd;
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  box-shadow: 0 15px 35px -5px rgba(15, 23, 42, 0.15);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 320px;
  animation: floatCard 4s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.floating-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #e0f2fe;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.floating-text h5 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  color: #0f172a;
}

.floating-text p {
  font-size: 0.82rem;
  margin: 0;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Teknoloji & Çalışma Prensibi (Rotor vs Yoğuşmalı)
   ========================================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.tech-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.tech-image-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.tech-features-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.tech-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  padding: 1.2rem;
  background: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.tech-feature-item:hover {
  background: #f0f7ff;
  border-color: #93c5fd;
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.tech-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: #e0f2fe;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.tech-feature-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
  color: #0f172a;
}

.tech-feature-content p {
  font-size: 0.92rem;
  margin: 0;
  color: var(--color-text-muted);
}

/* Karşılaştırma Tablosu */
.comparison-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 2.5rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: #f1f5f9;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #0f172a;
}

.comparison-table th.highlight-col {
  color: #0369a1;
  background: #e0f2fe;
  border-inline: 1px solid #bae6fd;
}

.comparison-table td.highlight-col {
  background: rgba(224, 242, 254, 0.4);
  border-inline: 1px solid #bae6fd;
  font-weight: 600;
  color: #0369a1;
}

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

/* ==========================================================================
   İnteraktif Kapasite Hesaplama Aracı (Beyaz & Mavi)
   ========================================================================== */
.calc-wrapper {
  background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 50%, #f8fafc 100%);
  border: 1px solid #bae6fd;
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 15px 35px -5px rgba(2, 132, 199, 0.12), var(--shadow-md);
}

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

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.input-header label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
}

.input-val-badge {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  background: #e0f2fe;
  border: 1px solid #bae6fd;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
}

.slider-control {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: #e2e8f0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.slider-control::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
  transition: transform 0.1s;
}

.slider-control::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-control::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
}

.calc-select {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #0f172a;
  font-size: 0.95rem;
  outline: none;
}

.calc-select:focus {
  border-color: var(--color-primary);
}

/* Hesaplama Sonuç Paneli (Vurgulu Kurumsal Panel) */
.calc-result-panel {
  background: linear-gradient(145deg, #0c1a30, #0a2540);
  border: 1px solid #1e3a5f;
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 15px 30px rgba(10, 37, 64, 0.25);
  color: #ffffff;
}

.result-metric-box {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.result-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.result-main-val {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1;
}

.result-unit {
  font-size: 1.1rem;
  font-weight: 500;
  color: #cbd5e1;
}

.recommended-model-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  margin-block: 1.5rem;
  border-left: 4px solid #f59e0b;
}

.recommended-model-card h5 {
  font-size: 0.82rem;
  color: #f59e0b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.model-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.3rem;
}

.model-features-short {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin: 0;
}

/* ==========================================================================
   Sektörel Uygulama Alanları
   ========================================================================== */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.sector-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sector-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #38bdf8);
  opacity: 0;
  transition: var(--transition);
}

.sector-card:hover {
  background: #ffffff;
  border-color: #93c5fd;
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.sector-card:hover::before {
  opacity: 1;
}

.sector-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: #e0f2fe;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
}

.sector-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
  color: #0f172a;
}

.sector-card p {
  font-size: 0.95rem;
  margin-bottom: 1.4rem;
  color: var(--color-text-muted);
}

.sector-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sector-tag {
  font-size: 0.78rem;
  background: #f1f5f9;
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  color: #475569;
  font-weight: 500;
}

/* ==========================================================================
   DehuTech Ürün Serileri & Modeller
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 20px var(--color-primary-glow);
}

.product-card.featured {
  border-color: #0284c7;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 40%);
  position: relative;
  box-shadow: 0 10px 30px -5px rgba(2, 132, 199, 0.15);
}

.featured-ribbon {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-badge {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
  color: #0f172a;
}

.product-desc {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  color: var(--color-text-muted);
}

.product-specs {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.spec-label {
  color: var(--color-text-dim);
}

.spec-value {
  font-weight: 600;
  color: #0f172a;
}

/* ==========================================================================
   Hizmetler Modülü (Satış, Montaj, Servis, Keşif)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  margin-inline: auto;
  margin-bottom: 1.2rem;
  border-radius: 50%;
  background: #e0f2fe;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.service-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.7rem;
  color: #0f172a;
}

.service-card p {
  font-size: 0.92rem;
  margin: 0;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Sıkça Sorulan Sorular (SSS / FAQ Accordion)
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item.active {
  border-color: #93c5fd;
  background: #f8fafc;
}

.faq-question {
  width: 100%;
  padding: 1.4rem 1.8rem;
  text-align: left;
  background: none;
  border: none;
  color: #0f172a;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding-inline: 1.8rem;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ==========================================================================
   İletişim & Danışma Hub (Formsuz, Doğrudan İletişim Kartları)
   ========================================================================== */
.contact-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.contact-hub-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-hub-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-hub-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-sm);
  background: #e0f2fe;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
}

.contact-hub-body h4 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: #0f172a;
}

.contact-highlight-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.contact-highlight-text a {
  color: inherit;
}

.contact-highlight-text a:hover {
  text-decoration: underline;
}

.contact-sub-text {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.contact-sub-text a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.contact-card-btn {
  width: 100%;
  padding-block: 0.75rem;
  font-size: 0.92rem;
}

/* ==========================================================================
   Alt Bilgi (Footer - Derin Kurumsal Koyu Mavi Kontrast)
   ========================================================================== */
.site-footer {
  background: #081325;
  border-top: 1px solid #0f274a;
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  color: #94a3b8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 1.2rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-links a:hover {
  color: #38bdf8;
  transform: translateX(4px);
}

.seo-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.seo-tag {
  font-size: 0.78rem;
  padding: 0.25rem 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  color: #94a3b8;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-distributor-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(2, 132, 199, 0.15);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.3);
  font-size: 0.82rem;
}

/* ==========================================================================
   Sabit / Yüzen Hızlı Aksiyon Butonları (Floating WhatsApp & Call)
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 25px;
  right: 25px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.fab-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
  position: relative;
}

.fab-btn:hover {
  transform: scale(1.1);
}

.fab-whatsapp {
  background: #25d366;
}

.fab-whatsapp::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25d366;
  opacity: 0.7;
  animation: pulseRadar 2s infinite;
}

.fab-call {
  background: var(--color-primary);
}

@keyframes pulseRadar {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ==========================================================================
   Mobil ve Duyarlı Tasarım Medya Sorguları
   ========================================================================== */
@media (max-width: 1060px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 2.2rem 1.8rem;
    gap: 1.6rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .mobile-toggle {
    display: block;
  }

  .header-actions .header-phone-link {
    display: none;
  }
}

@media (max-width: 1024px) {
  .hero-grid, .tech-grid, .calc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .hero-image-wrapper img {
    height: 380px;
  }

  .hero-floating-card {
    left: 10px;
    bottom: 10px;
  }
}

@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .calc-wrapper {
    padding: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}
