/* ============================================================
   Air İklimlendirme Sistemleri - Design System
   Modern, Premium, Mobile-First CSS
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --primary: #0f172a; /* Slate 900 / Obsidian */
  --primary-light: #1e293b; /* Slate 800 / Anthracite */
  --secondary: #475569; /* Slate 600 / Luxury Slate Gray */
  --secondary-dark: #334155; /* Slate 700 / Charcoal */
  --accent: #64748b; /* Slate 500 / Medium Gray */
  --accent-light: #94a3b8; /* Slate 400 / Platinum */
  --warm: #ff6b35;
  --warm-light: #ff8f65;
  --success: #22c55e;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface: #ffffff;
  --text: #0f172a;
  --text-main: #0f172a;
  --text-light: #475569;
  --text-muted: #64748b;
  --border: #cbd5e1;
  --gradient-cool: linear-gradient(135deg, #1e293b, #475569);
  --gradient-warm: linear-gradient(135deg, #ff6b35, #ff8f65);
  --gradient-dark: linear-gradient(135deg, #0f172a, #1e293b);
  --gradient-hero: linear-gradient(135deg, rgba(15,23,42,0.95) 0%, rgba(71,85,105,0.8) 100%);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px -10px rgba(0,0,0,0.15);
  --shadow-blue: 0 8px 24px rgba(71, 85, 105, 0.22);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Section Base --- */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.08), rgba(148, 163, 184, 0.08));
  color: var(--secondary);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-badge svg {
  width: 16px;
  height: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}

.section-title span {
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: #0f172a; /* Koyu / Siyah Slate-900 */
  color: #ffffff !important; /* Net Beyaz Yazı */
  border: 1.5px solid rgba(255, 255, 255, 0.4); /* Beyaz Border */
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.35);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary:hover {
  background: #1e293b;
  color: #ffffff !important;
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: rgba(15, 23, 42, 0.75); /* Siyah / Yarı Saydam */
  color: #ffffff !important; /* Net Beyaz Yazı */
  border: 1.5px solid rgba(255, 255, 255, 0.5); /* Beyaz Border */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-secondary:hover {
  background: #ffffff;
  color: #0f172a !important; /* Hover'da Siyah Yazı */
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */

/* -- Top Bar -- */
.top-bar {
  background: #1e293b;
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-bar-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-light);
  flex-shrink: 0;
}

.top-bar-item a:hover {
  color: var(--accent-light);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--secondary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 14px;
  height: 14px;
}

/* -- Main Navbar -- */
.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255,255,255,0.98);
}

.navbar .container {
  max-width: 1400px;
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary);
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-brand .brand-logo-img {
  height: 60px;
  background: white;
  padding: 4px;
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--text);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  background: var(--bg-alt);
  color: var(--secondary);
}

.mobile-cta {
  display: none !important;
}

@media (min-width: 1301px) {
  .nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
  }
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: #ffffff;
  color: var(--primary);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--gradient-cool);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(71, 85, 105, 0.25);
}

.nav-cta svg {
  width: 16px;
  height: 16px;
}

/* -- Hamburger -- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SLIDER SECTION
   ============================================================ */
.hero-slider {
  position: relative;
  height: 100vh;
  min-height: 700px;
  width: 100%;
  overflow: hidden;
  background: var(--gradient-dark);
}

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

.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  z-index: 1;
}

.slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.45) 50%, rgba(15, 23, 42, 0.15) 100%);
  z-index: 1;
}

.slide::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: 2;
}

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

.slide-content {
  position: relative;
  z-index: 3;
  color: white;
  max-width: 750px;
  padding: 120px 0 80px;
}

.slide-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: white;
  margin-bottom: 20px;
}

.slide-desc {
  font-size: 1.15rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
}

.slide-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.slide .slide-title, 
.slide .slide-desc, 
.slide .slide-actions {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active .slide-title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.slide.active .slide-desc {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

.slide.active .slide-actions {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.6s;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: white;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.slider-arrow.prev { left: 30px; }
.slider-arrow.next { right: 30px; }

.slider-arrow svg {
  width: 24px;
  height: 24px;
}

.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  width: 36px;
  border-radius: 20px;
  background: white;
}

/* ============================================================
   STATS SECTION
   ============================================================ */
.stats-section {
  position: relative;
  z-index: 5;
  margin-top: -60px;
  padding-bottom: 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--secondary);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.1), rgba(148, 163, 184, 0.1));
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.stat-icon svg {
  width: 28px;
  height: 28px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--secondary);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.1), rgba(148, 163, 184, 0.1));
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--secondary);
  margin-top: auto;
}

.service-link svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.service-link:hover svg {
  transform: translateX(4px);
}

/* ============================================================
   IMAGE COMPARISON SLIDER (BEFORE/AFTER)
   ============================================================ */
.comparison-section {
  background: var(--bg-alt);
}

.comparison-container {
  max-width: 800px;
  margin: 0 auto;
}

.image-comparison {
  position: relative;
  width: 100%;
  height: 450px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  user-select: none;
  cursor: ew-resize;
}

.image-before, .image-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.image-before img, .image-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-before {
  z-index: 1;
}

.image-after {
  z-index: 2;
  clip-path: inset(0 0 0 50%);
}

.label-tag {
  position: absolute;
  top: 20px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: white;
  z-index: 3;
}

.label-tag.before {
  left: 20px;
  background: rgba(239, 68, 68, 0.85);
}

.label-tag.after {
  right: 20px;
  background: rgba(34, 197, 94, 0.85);
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: white;
  z-index: 4;
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.handle-button svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   WHY US SECTION
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
}

.why-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.1), rgba(148, 163, 184, 0.1));
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.why-icon svg {
  width: 26px;
  height: 26px;
}

.why-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.why-card p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============================================================
   VIDEO SECTION
   ============================================================ */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.video-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.video-thumbnail-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #000;
}

.video-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover .video-thumbnail {
  transform: scale(1.05);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transition: var(--transition);
}

.video-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--secondary);
  color: white;
}

.video-play-btn svg {
  width: 24px;
  height: 24px;
  margin-left: 2px;
}

.video-info {
  padding: 24px;
}

.video-info h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.video-info p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================================
   BRANDS SECTION
   ============================================================ */
.brand-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.brand-logo-icon {
  height: 38px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 80px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer h4 {
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.92rem;
  transition: var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.92rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-light);
  flex-shrink: 0;
}

.footer-contact-item a {
  color: #cbd5e1;
}

.footer-contact-item a:hover {
  color: white;
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-socials .social-link {
  background: rgba(255,255,255,0.06);
}

.footer-socials .social-link:hover {
  background: var(--secondary);
  color: white;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

/* ============================================================
   FLOATING BUTTONS
   ============================================================ */
.phone-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 999;
  background: var(--primary);
  color: white;
  padding: 12px 22px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.35);
  transition: var(--transition);
}

.phone-float:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.45);
}

.phone-float svg {
  width: 20px;
  height: 20px;
}

.whatsapp-float {
  display: none; /* Canlı destek widgetı varken çakışmaması için */
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-container {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: var(--transition);
}

.modal-close:hover {
  background: #e2e8f0;
  transform: rotate(90deg);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.video-lightbox-container {
  max-width: 900px;
  background: #000;
  aspect-ratio: 16/9;
}

.video-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================================
   RESPONSIVE MEDIA QUERIES
   ============================================================ */
/* ============================================================
   RESPONSIVE & MOBILE POLISH
   ============================================================ */

/* --- Desktop Defaults: Explicitly Hide All Mobile-Only Elements --- */
.mobile-drawer,
.mobile-bottom-dock {
  display: none !important;
}

.desktop-only-float {
  display: inline-flex;
}

@media (max-width: 1300px) {
  .nav-menu {
    display: none !important;
  }
  .desktop-cta {
    display: none !important;
  }
  .hamburger {
    display: flex;
  }

  /* Dedicated Mobile Off-Canvas Drawer */
  .mobile-drawer {
    display: flex !important;
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #ffffff;
    box-shadow: -10px 0 40px rgba(0,0,0,0.25);
    padding: 24px 20px 30px;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    flex-direction: column;
    overflow-y: auto;
  }
  .mobile-drawer.active {
    right: 0;
  }
  
  /* Mobile Drawer Header */
  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
  }
  .mobile-drawer-close {
    background: #f1f5f9;
    border: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #334155;
    cursor: pointer;
    transition: var(--transition);
  }
  .mobile-drawer-close:hover {
    background: #e2e8f0;
    color: #0f172a;
  }

  .mobile-drawer-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    flex: 1;
  }
  .mobile-drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    background: transparent;
    transition: var(--transition);
  }
  .mobile-drawer-link:hover, .mobile-drawer-link.active {
    background: #f8fafc;
    color: var(--primary);
    transform: translateX(4px);
  }

  /* Mobile Drawer Footer */
  .mobile-drawer-footer {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .mobile-drawer-call-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #0f172a;
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.4);
    padding: 12px 18px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
  }
  .mobile-drawer-address {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-light);
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .slide-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  /* Hide Desktop Float Buttons */
  .desktop-only-float {
    display: none !important;
  }

  /* Sleek Glassmorphic Bottom Dock */
  .mobile-bottom-dock {
    display: flex;
    position: fixed;
    bottom: 12px;
    left: 12px;
    right: 12px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 40px;
    padding: 8px 12px;
    z-index: 9990;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    justify-content: space-around;
    align-items: center;
  }

  .mobile-dock-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #ffffff;
    text-decoration: none;
    flex: 1;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    transition: transform 0.2s ease;
  }
  .mobile-dock-btn:active {
    transform: scale(0.92);
  }

  .dock-icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: background 0.2s ease;
  }
  .dock-icon-circle svg {
    width: 18px;
    height: 18px;
  }
  .dock-icon-circle.wp-circle {
    background: #25D366;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
  .dock-icon-circle.quote-circle {
    background: var(--gradient-cool);
    color: #ffffff;
  }

  /* Safe bottom spacing for content */
  body {
    padding-bottom: 75px;
  }
  footer {
    padding-bottom: 40px;
  }

  /* Mobile Typography & Sliders */
  .top-bar-left {
    justify-content: center;
    width: 100%;
    font-size: 0.78rem;
  }
  .top-bar-right {
    display: none;
  }
  .slide-title {
    font-size: clamp(1.85rem, 6vw, 2.4rem);
    line-height: 1.15;
    margin-bottom: 14px;
  }
  .slide-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
  }
  .slide-actions {
    gap: 10px;
  }
  .slide-actions .btn-primary,
  .slide-actions .btn-secondary {
    padding: 12px 20px;
    font-size: 0.9rem;
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }

  .section-title {
    font-size: 1.85rem;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-card {
    padding: 20px 16px;
  }
  .stat-number {
    font-size: 2.2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .slider-arrow {
    display: none;
  }
  .image-comparison {
    height: 300px;
    border-radius: var(--radius);
  }

  /* Mobile Touch Cards Micro-Animation */
  .service-card, .why-us-card, .video-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .service-card:active, .why-us-card:active {
    transform: scale(0.98);
  }

  /* WhatsApp Widget Mobile Positioning */
  .wp-chat-widget {
    bottom: 85px !important;
    right: 14px !important;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .slide-actions .btn-primary,
  .slide-actions .btn-secondary {
    flex: 1 1 100%;
  }
}