/* Google Fonts - HTML head'de preconnect + link tag ile yükleniyor (non-blocking) */

:root {
  --primary: hsl(222, 100%, 50%);
  --primary-dark: hsl(222, 100%, 42%);
  --primary-light: hsl(222, 100%, 96%);
  --accent: hsl(190, 100%, 45%);
  --accent-light: hsl(190, 100%, 94%);
  --bg: hsl(218, 40%, 98%);
  --surface: hsl(0, 0%, 100%);
  --surface-glass: rgba(255, 255, 255, 0.7);
  --text: hsl(222, 47%, 11%);
  --text-muted: hsl(220, 20%, 50%);
  --border: hsl(220, 25%, 92%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 16px 40px -10px rgba(10,37,64,0.08), 0 0 1px 0 rgba(10,37,64,0.08);
  --shadow-lg: 0 32px 80px -20px rgba(10,37,64,0.15), 0 0 2px 0 rgba(10,37,64,0.12);
  --shadow-glow: 0 8px 32px -6px rgba(0,82,204,0.35);
}

body.dark {
  --bg: hsl(222, 47%, 6%);
  --surface: hsl(222, 47%, 10%);
  --surface-glass: rgba(15, 23, 42, 0.7);
  --text: hsl(210, 40%, 98%);
  --text-muted: hsl(215, 20%, 65%);
  --border: hsl(222, 30%, 18%);
  --primary-light: hsl(222, 50%, 12%);
  --accent-light: hsl(190, 50%, 12%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.1);
  --shadow-md: 0 16px 40px -10px rgba(0,0,0,0.4), 0 0 1px 0 rgba(255,255,255,0.05);
  --shadow-lg: 0 32px 80px -20px rgba(0,0,0,0.6), 0 0 2px 0 rgba(255,255,255,0.1);
}
body.dark::before {
  background-image: radial-gradient(circle, hsl(222, 30%, 18%) 1px, transparent 1px) !important;
  opacity: 0.85 !important;
}
body.dark .navbar {
  background: rgba(15, 23, 42, 0.9) !important;
}
body.dark .dropdown-menu {
  background: hsl(222, 47%, 10%) !important;
  border-color: var(--border) !important;
}
body.dark .form-control {
  background: rgba(30, 41, 59, 0.8) !important;
  color: var(--text) !important;
}
body.dark .osb-card,
body.dark .service-card,
body.dark .feature-card,
body.dark .brand-card,
body.dark .knowledge-card,
body.dark .hero-form-card {
  background: var(--surface) !important;
  border-color: var(--border) !important;
}
body.dark .hero-form-card label {
  color: var(--text-muted) !important;
}
body.dark .btn-ultra-outline {
  border-color: var(--border) !important;
}
body.dark .btn-ultra-outline:hover {
  background: var(--primary-light) !important;
}


*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* === GRID BACKGROUND === */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: radial-gradient(circle, hsl(220,20%,90%) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: -10;
  opacity: 0.5;
  pointer-events: none;
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0.75rem 0;
  background: rgba(255,255,255,0.95);
  
  -webkit-
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.04);
  transition: all 0.5s var(--ease);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { margin-left: -2rem; }
.nav-logo img { height: 100px; width: auto; transition: transform 0.3s var(--ease); }
.nav-logo:hover img { transform: scale(1.05); }
.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
  padding: 0.5rem 1rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease);
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: inherit;
}
.nav-link:hover { background: var(--primary-light); color: var(--primary); }
.nav-link.active { color: var(--primary); }
.nav-dropdown { position: relative; }
.dropdown-btn svg { transition: transform 0.3s var(--ease); }
.nav-dropdown:hover .dropdown-btn svg { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1100;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease);
}
.dropdown-menu a:hover {
  background: var(--primary-light);
  color: var(--primary);
  padding-left: 1.3rem;
}
.btn-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: all 0.4s var(--ease);
  border: none;
  cursor: pointer;
}
.btn-glow:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 40px -6px rgba(0,82,204,0.5);
}
.menu-toggle {
  display: none;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background 0.3s ease;
}
.menu-toggle:hover { background: var(--primary-light); }
.menu-toggle span {
  display: block;
  width: 100%; height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.4s var(--ease);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(-10px); }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === MOBILE OVERLAY === */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.6);
  
  -webkit-
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s var(--ease);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }
.mobile-menu {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  text-align: center;
  transition: all 0.5s var(--ease);
}
.mobile-overlay.active .mobile-menu { transform: translate(-50%, -50%) scale(1); }
.mobile-link {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  color: white;
  padding: 0.8rem 0;
  transition: all 0.3s var(--ease);
  opacity: 0;
  transform: translateY(20px);
}
.mobile-overlay.active .mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition-delay: calc(var(--i, 0) * 0.08s);
}
.mobile-link:nth-child(1) { --i: 1; }
.mobile-link:nth-child(2) { --i: 2; }
.mobile-link:nth-child(3) { --i: 3; }
.mobile-link:nth-child(4) { --i: 4; }
.mobile-link:nth-child(5) { --i: 5; }
.mobile-link:nth-child(6) { --i: 6; }
.mobile-link:nth-child(7) { --i: 7; }
.mobile-link:hover { color: var(--accent); }
.mobile-wa {
  margin-top: 1rem;
  color: #25d366;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 5rem;
  overflow: hidden;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  mix-blend-mode: multiply;
  animation: blob-float 30s infinite alternate var(--ease);
  pointer-events: none;
}
.hero-blob {
  top: -20%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, hsla(190,100%,75%,0.35) 0%, transparent 70%);
}
.hero-blob.secondary {
  bottom: -20%; left: -10%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, hsla(222,100%,70%,0.25) 0%, transparent 70%);
  animation-delay: -10s;
  animation-duration: 35s;
}
@keyframes blob-float {
  0% { transform: translate(0,0) scale(1); }
  33% { transform: translate(60px,-100px) scale(1.1); }
  66% { transform: translate(-40px,50px) scale(0.95); }
  100% { transform: translate(0,0) scale(1); }
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, hsla(222,100%,50%,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface-glass);
  
  border: 1px solid var(--border);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.82rem;
  color: var(--primary);
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s var(--ease) forwards;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 1.6s infinite;
}
@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.5; box-shadow: 0 0 0 0 rgba(0,242,254,0.4); }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 0 6px rgba(0,242,254,0); }
  100% { transform: scale(0.95); opacity: 0.5; box-shadow: 0 0 0 0 rgba(0,242,254,0); }
}
.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 1.08;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
}
.line-reveal {
  display: block;
  overflow: hidden;
  animation: fadeInUp 0.8s var(--ease) 0.2s both;
}
.line-reveal:nth-child(2) { animation-delay: 0.35s; }
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 0.8s var(--ease) 0.45s both;
}
.hero-actions {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease) 0.6s both;
}
.btn-primary, .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2.2rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  transition: all 0.4s var(--ease);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -6px rgba(0,82,204,0.55);
}
.btn-outline {
  background: var(--surface-glass);
  
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--surface);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.btn-primary span, .btn-outline span { position: relative; z-index: 2; }

/* === HERO STATS === */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  max-width: 600px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.8s var(--ease) 0.8s both;
}
.stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}
.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-suffix {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: -0.3rem;
}
.stat-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === MARQUEE === */
.marquee-section {
  overflow: hidden;
  padding: 2rem 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.marquee-track {
  display: flex;
  gap: 4rem;
  width: max-content;
  animation: marquee-scroll 40s linear infinite;
}
.marquee-track span {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-muted);
  opacity: 0.35;
  white-space: nowrap;
  transition: all 0.3s var(--ease);
  letter-spacing: -0.02em;
}
.marquee-track span:hover {
  opacity: 1;
  color: var(--primary);
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === SECTION COMMON === */
.section-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 50px;
  margin-bottom: 1.2rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 3.5rem;
}

/* === OSB SECTION === */
.osb-section {
  padding: 7rem 0;
}
.osb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.2rem;
}
.osb-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: all 0.4s var(--ease);
  overflow: hidden;
}
.osb-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, hsla(var(--hue,222),100%,50%,0.03), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.osb-card:hover {
  transform: translateY(-5px);
  border-color: hsla(var(--hue,222),100%,50%,0.3);
  box-shadow: var(--shadow-md);
}
.osb-card:hover::before { opacity: 1; }
.osb-indicator {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: hsla(var(--hue,222),100%,50%,0.5);
  box-shadow: 0 0 8px hsla(var(--hue,222),100%,50%,0.3);
}
.osb-card h3 { font-size: 1.2rem; margin-bottom: 0.3rem; position: relative; z-index: 2; }
.osb-card p { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; position: relative; z-index: 2; }

/* === SERVICES === */
.services-section {
  padding: 7rem 0;
  background: var(--surface);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.service-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  overflow: hidden;
  transition: all 0.5s var(--ease);
  transform-style: preserve-3d;
}
.card-glow {
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(0,82,204,0.06), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.service-card:hover .card-glow { opacity: 1; }
.service-card:hover {
  transform: translateY(-8px);
  border-color: hsla(222,100%,50%,0.15);
  box-shadow: var(--shadow-lg);
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s var(--ease);
}
.service-card:hover::after { transform: scaleY(1); }
.card-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.8rem;
  transition: all 0.4s var(--ease);
}
.service-card:hover .card-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  transform: rotate(-6deg) scale(1.05);
}
.service-card h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }
.card-link {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--primary);
  transition: all 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.card-link:hover { gap: 0.6rem; }

/* === FEATURES === */
.features-section { padding: 7rem 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-light), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
  transition: all 0.4s var(--ease);
}
.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  transform: scale(1.05) rotate(5deg);
}
.feature-card h3 { font-size: 1.35rem; margin-bottom: 0.7rem; position: relative; z-index: 2; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; position: relative; z-index: 2; }

/* === BRANDS === */
.brands-section { padding: 7rem 0; background: var(--surface); }
.brands-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.brand-card {
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.brand-card:hover {
  transform: translateY(-6px);
  border-color: var(--brand-color, var(--primary));
  box-shadow: 0 20px 40px -10px color-mix(in srgb, var(--brand-color, var(--primary)) 15%, transparent);
}
.brand-badge {
  display: inline-block;
  width: fit-content;
  padding: 0.25rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--brand-color, var(--primary)) 10%, transparent);
  color: var(--brand-color, var(--primary));
  margin-bottom: 1.2rem;
}
.brand-card h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.brand-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1.5rem; flex: 1; }
.brand-arrow { font-weight: 800; font-size: 0.9rem; color: var(--brand-color, var(--primary)); transition: all 0.3s var(--ease); }
.brand-card:hover .brand-arrow { transform: translateX(4px); }

/* === CTA === */
.cta-section { padding: 5rem 0; }
.cta-card {
  position: relative;
  padding: 5rem 3rem;
  background: linear-gradient(135deg, hsl(222,90%,15%), hsl(222,90%,8%));
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-glow {
  position: absolute;
  top: -30%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, hsla(190,100%,60%,0.15), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  animation: blob-float 20s infinite alternate var(--ease);
}
.cta-card h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: white;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}
.cta-card p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 2.5rem;
  position: relative;
  z-index: 2;
}
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.cta-actions .btn-primary {
  background: linear-gradient(135deg, #25d366, #128c7e);
  box-shadow: 0 8px 30px -6px rgba(37,211,102,0.4);
}
.cta-actions .btn-primary:hover {
  box-shadow: 0 16px 40px -6px rgba(37,211,102,0.6);
}
.btn-outline-light {
  background: rgba(255,255,255,0.08);
  
  color: white;
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-3px);
}

/* === KNOWLEDGE === */
.knowledge-section { padding: 7rem 0; background: var(--surface); }
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
}
.knowledge-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  transition: all 0.4s var(--ease);
}
.knowledge-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.knowledge-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.knowledge-card h4 { font-size: 1.1rem; margin-bottom: 0.3rem; transition: color 0.3s ease; }
.knowledge-card:hover h4 { color: var(--primary); }
.knowledge-card p { font-size: 0.85rem; color: var(--text-muted); }

/* === FOOTER === */
.footer {
  background: hsl(222, 47%, 11%);
  color: rgba(255,255,255,0.7);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}
.footer-logo { height: 80px; width: auto; margin-bottom: 1.2rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.7; }
.footer-links h4, .footer-contact h4 {
  font-size: 1.1rem;
  color: white;
  margin-bottom: 1.2rem;
}
.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.4rem 0;
  transition: all 0.3s var(--ease);
}
.footer-links a:hover { color: white; padding-left: 6px; }
.footer-contact p {
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  opacity: 0.7;
  line-height: 1.6;
}
.footer-contact p strong { color: rgba(255,255,255,0.9); }
.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
}

/* === FLOATING BUTTONS === */
.floating-btns {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.float-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s var(--ease-bounce);
  cursor: pointer;
}
.float-btn:hover {
  transform: translateY(-5px) scale(1.08);
}
.float-wa { background: #25d366; }
.float-phone { background: var(--primary); }

/* === SCROLL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 968px) {
  .nav-links { display: none; }
  .nav-actions .btn-glow { display: none; }
  .menu-toggle { display: flex; }
  .hero { min-height: auto; padding: 7rem 1.5rem 4rem; }
  .hero-stats { gap: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .brands-grid {
    grid-template-columns: unset;
    display: flex;
    flex-wrap: nowrap;
    gap: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding: 0.5rem 0 1rem;
  }
  .brands-grid::-webkit-scrollbar { display: none; }
  .brand-card { flex: 0 0 260px; scroll-snap-align: start; }
}
@media (max-width: 576px) {
  .hero-stats { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-title { font-size: 2.4rem; }
  .osb-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 2.2rem; }
  .marquee-track span { font-size: 1.2rem; }
  .cta-card { padding: 3rem 1.5rem; }
  .floating-btns { right: 1rem; bottom: 1rem; }
  .float-btn { width: 48px; height: 48px; }
}

/* === INNER PAGE STYLES (shared across all pages) === */
.page-header {
  position: relative;
  background: linear-gradient(135deg, var(--surface), var(--bg));
  padding: 5.5rem 2rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(37,99,235,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.page-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--text);
  margin: 0.5rem 0 0.5rem;
  letter-spacing: -0.5px;
}
.page-subtitle { color: var(--text-muted); font-size: 0.95rem; max-width: 600px; margin: 0 auto; line-height: 1.5; }
.page-breadcrumbs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.page-breadcrumbs a { color: var(--primary); transition: color 0.3s ease; }
.page-breadcrumbs a:hover { color: var(--primary-dark); }

/* SEO Location Pills */
.industrial-seo-badge {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.industrial-seo-badge::-webkit-scrollbar {
  height: 4px;
}
.industrial-seo-badge::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
.seo-pill {
  flex: 0 0 auto;
  background: var(--surface);
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  white-space: nowrap;
}
.seo-pill:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* Content Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  color: var(--text-muted);
}
.breadcrumbs a { color: var(--primary); transition: color 0.3s; }
.breadcrumbs a:hover { color: var(--primary-dark); }
.breadcrumbs .separator { color: var(--border); }
.breadcrumbs .current { color: var(--text-muted); }

.main-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 2rem 6rem;
  display: grid;
  grid-template-columns: 8.5fr 3.5fr;
  gap: 3.5rem;
  align-items: start;
}
.main-content-column {
  min-width: 0; /* prevent overflow in grid */
}
.sidebar-column {
  min-width: 0;
}
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .sidebar-sticky {
    position: static !important;
  }
}
.content-body {
  background: var(--surface);
  padding: 2.5rem 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.content-body h2 {
  font-size: 1.85rem;
  border-left: 5px solid var(--primary);
  padding-left: 1.25rem;
  margin: 3rem 0 1.5rem;
}
.content-body h3 { font-size: 1.45rem; margin: 2.5rem 0 1.25rem; }
.content-body h4 { font-size: 1.2rem; color: var(--primary); margin: 2rem 0 1rem; }
.content-body p { color: var(--text-muted); margin-bottom: 1.2rem; line-height: 1.8; }
.content-body ul, .content-body ol { list-style: none; padding: 0; margin: 1.5rem 0 2rem; }
.content-body ul li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.85rem;
  color: var(--text-muted);
}
.content-body ul li::before {
  content: '✓';
  position: absolute;
  left: 0.25rem;
  color: var(--accent);
  font-weight: 900;
}
.content-body ol { counter-reset: saas-counter; }
.content-body ol li {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  counter-increment: saas-counter;
}
.content-body ol li::before {
  content: counter(saas-counter);
  position: absolute;
  left: 0;
  width: 24px; height: 24px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.8rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.content-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease);
}
.content-body img:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tech-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.tech-table th {
  background: var(--primary-light);
  color: var(--primary);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 1.1rem 1.25rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
}
.tech-table td {
  padding: 1.1rem 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  transition: all 0.3s ease;
}
.tech-table tr:last-child td { border-bottom: none; }
.tech-table tr:hover td { background: var(--primary-light); color: var(--text); }
.sidebar-sticky { position: sticky; top: 7rem; display: grid; gap: 2rem; }
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s var(--ease);
}
.sidebar-card:hover { box-shadow: var(--shadow-lg); }
.sidebar-cta-card { background: linear-gradient(145deg, hsl(222,90%,15%), hsl(222,90%,8%)); color: white; border: none; }
.sidebar-cta-card h3 { color: white; font-size: 1.45rem; margin-bottom: 0.5rem; line-height: 1.3; }
.sidebar-cta-card p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 1.25rem; line-height: 1.6; }
.sidebar-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--text);
  font-size: 0.7rem;
  font-weight: 900;
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
/* sidebar-action-buttons wrapper varsa flex, yoksa butonlar block olarak düzgün sıralanır */
.sidebar-action-buttons { display: flex; flex-direction: column; gap: 0.85rem; margin-bottom: 1.25rem; }
.sidebar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.9rem;
  transition: all 0.3s var(--ease);
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}
/* Wrapper olmadığında butonlar arası boşluk */
.sidebar-cta-card > .sidebar-btn,
.sidebar-cta-card .sidebar-btn + .sidebar-btn {
  margin-top: 0.75rem;
}
.sidebar-cta-card > .sidebar-btn:first-of-type {
  margin-top: 0;
}
.btn-call { background: var(--primary); color: white !important; box-shadow: 0 6px 20px rgba(0,82,204,0.35); }
.btn-call:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-whatsapp { background: #25d366; color: white !important; box-shadow: 0 6px 20px rgba(37,211,102,0.3); }
.btn-whatsapp:hover { background: #20ba5a; transform: translateY(-2px); }

.sidebar-trust-checklist { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.25rem; }
.sidebar-trust-checklist li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}
.check-dot { color: var(--accent); font-weight: 900; }
.sidebar-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 0.75rem;
}
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li { border-bottom: 1px solid var(--border); padding: 0.85rem 0; }
.sidebar-list li:first-child { padding-top: 0; }
.sidebar-list li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-list a {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  transition: all 0.3s var(--ease);
}
.sidebar-list a:hover { color: var(--primary); padding-left: 4px; }
.sidebar-list .arrow { font-size: 1.1rem; opacity: 0.5; transition: all 0.3s var(--ease); }
.sidebar-list a:hover .arrow { transform: translateX(4px); opacity: 1; color: var(--primary); }
.sidebar-zones-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.zone-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot.online { background: #25d366; box-shadow: 0 0 8px rgba(37,211,102,0.6); }

/* === RELATED POSTS SECTION === */
.related-section {
  max-width: 1200px;
  margin: 0 auto 5rem;
  padding: 0 2rem;
}
.recent-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.recent-post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: var(--text);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.recent-post-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  z-index: 0;
}
.recent-post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.recent-post-card:hover::before { opacity: 0.5; }
.recent-post-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.65rem;
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  position: relative;
  z-index: 1;
}
.recent-post-card span {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 700;
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.3s var(--ease);
}
.recent-post-card:hover span { gap: 0.6rem; }

/* === CTA ACTION BANNER === */
.cta-action-banner {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 3.5rem;
  border-radius: var(--radius-xl);
  text-align: center;
  margin: 3.5rem 0 0;
  box-shadow: var(--shadow-lg);
}
.cta-action-banner h3 {
  color: white !important;
  font-size: 2rem;
  margin-top: 0 !important;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
}
.cta-action-banner p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

@media (max-width: 968px) {
  .main-layout { grid-template-columns: 1fr; gap: 3rem; }
  .sidebar-sticky { position: static; }
  .content-body { padding: 2rem; }
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  transition: all 0.3s var(--ease);
}
.faq-item:hover { border-color: hsla(222,100%,50%,0.2); box-shadow: var(--shadow-sm); background: var(--surface); }
.faq-item strong { display: block; font-size: 1.15rem; color: var(--text); font-family: 'Outfit', sans-serif; margin-bottom: 0.75rem; }
.faq-item p { margin-bottom: 0; font-size: 1rem; color: var(--text-muted); }

/* Contact Page */
.contact-page-container { display: grid; gap: 3.5rem; width: 100%; }
.contact-info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.contact-info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease);
}
.contact-info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.info-icon { font-size: 2.5rem; margin-bottom: 1.25rem; }
.contact-info-card h4 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--text); }
.contact-info-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.info-link { font-weight: 800; color: var(--primary); text-decoration: none; font-size: 1.1rem; transition: all 0.3s var(--ease); }
.info-link:hover { color: var(--primary-dark); }
.contact-form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-md);
}
.contact-form-section h3 { font-size: 2rem; margin-bottom: 0.5rem; }
.contact-form-section p { color: var(--text-muted); margin-bottom: 2.5rem; }
.saas-contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-weight: 700; font-size: 0.9rem; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 1rem;
  color: var(--text);
  font-family: inherit;
  transition: all 0.3s var(--ease);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(0,82,204,0.1);
}
.contact-map-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-md);
}
.contact-map-card h3 { font-size: 2rem; margin-bottom: 0.5rem; }
.contact-map-card p { color: var(--text-muted); margin-bottom: 2rem; }
.map-iframe-container { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
@media (max-width: 768px) { .form-row { grid-template-columns: 1fr; } }

/* =============================================
   BACKWARD COMPAT: Inner pages (old header/footer)
   ============================================= */

/* Old Header - inner pages */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface-glass);
  
  -webkit-
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-container .logo { margin-left: -4rem; }
.nav-container .logo img, .brand-logo-img {
  height: 120px;
  width: auto;
  display: block;
  transition: transform 0.3s var(--ease);
}
.nav-container .logo:hover img { transform: scale(1.05); }
.nav-container .nav-menu {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  align-items: center;
}
.nav-container .nav-menu .nav-link {
  padding: 0.5rem 1rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
}
.nav-container .nav-menu .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transition: width 0.3s var(--ease);
}
.nav-container .nav-menu .nav-link:hover::after { width: 60%; }
.nav-container .nav-menu .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-container .dropdown { position: relative; }
.nav-container .dropdown-toggle .chevron {
  font-size: 0.6rem;
  transition: transform 0.3s var(--ease);
  display: inline-block;
}
.nav-container .dropdown:hover .chevron { transform: rotate(180deg); }
.nav-container .dropdown .dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1100;
  list-style: none;
}
.nav-container .dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-container .dropdown .dropdown-menu li { padding: 0; margin: 0; border: none; }
.nav-container .dropdown .dropdown-menu a {
  display: block;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.nav-container .dropdown .dropdown-menu a:hover {
  background: var(--primary-light);
  color: var(--primary);
  padding-left: 1.3rem;
}
.nav-container .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: all 0.4s var(--ease);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.nav-container .btn-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 40px -6px rgba(0,82,204,0.5);
}

/* Old Footer - inner pages */
footer {
  background: hsl(222, 47%, 11%);
  color: rgba(255,255,255,0.7);
  padding: 4rem 2rem 2rem;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 4rem;
}
.footer-logo img {
  height: 80px;
  margin-bottom: 1.2rem;
}
.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.7;
  color: rgba(255,255,255,0.7);
}
.footer-title {
  font-size: 1.1rem;
  color: white;
  margin-bottom: 1.2rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s var(--ease);
}
.footer-links a:hover { color: white; padding-left: 6px; }
.footer-info p {
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  opacity: 0.7;
  line-height: 1.6;
  color: rgba(255,255,255,0.7);
}
.footer-info p strong { color: rgba(255,255,255,0.9); }
.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
  color: rgba(255,255,255,0.7);
}

/* Old Floating Buttons */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.floating-actions .float-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s var(--ease-bounce, cubic-bezier(0.34, 1.56, 0.64, 1));
  text-decoration: none;
}
.floating-actions .float-btn:hover { transform: translateY(-5px) scale(1.08); }
.floating-actions .float-whatsapp { background: #25d366; }
.floating-actions .float-phone { background: var(--primary); }

/* Old sidebar-cta btn-secondary overrides */
.sidebar-cta { background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; border-color: transparent; }
.sidebar-cta h3 { color: white !important; }
.sidebar-cta p { color: rgba(255,255,255,0.85) !important; }
.sidebar-cta .btn-secondary {
  background: rgba(255,255,255,0.15) !important;
  color: white !important;
  border-color: transparent !important;
  
}
.sidebar-cta .btn-secondary:hover { background: rgba(255,255,255,0.25) !important; }
.sidebar-cta .btn-cta {
  background: white !important;
  color: var(--primary) !important;
  box-shadow: none !important;
}
.sidebar-cta .btn-cta:hover { transform: translateY(-2px); }

@media (max-width: 968px) {
  .nav-container .nav-menu { display: none; }
  .footer-container { grid-template-columns: 1fr; gap: 2.5rem; }
  .floating-actions { right: 1rem; bottom: 1rem; }
  .floating-actions .float-btn { width: 48px; height: 48px; }
}
@media (max-width: 576px) {
  .footer-container { gap: 2rem; }
}

/* =============================================
   ULTRA SAAS HERO — Awwwards Level
   ============================================= */

/* Hero wrapper */
.hero-ultra {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 10rem 2rem 5rem;
  overflow: hidden;
  isolation: isolate;
}

/* 3D Perspective Grid Background */
.hero-grid-3d {
  position: absolute;
  inset: 0;
  z-index: 0;
  perspective: 1200px;
  overflow: hidden;
  pointer-events: none;
}
.hero-grid-3d-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  transform: translate(-50%, -50%) rotateX(55deg) rotateZ(-25deg);
  background-image:
    linear-gradient(rgba(0,82,204,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,82,204,0.04) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  animation: grid-move 20s linear infinite;
}
@keyframes grid-move {
  0% { transform: translate(-50%, -50%) rotateX(55deg) rotateZ(-25deg) translateY(0); }
  100% { transform: translate(-50%, -50%) rotateX(55deg) rotateZ(-25deg) translateY(64px); }
}

/* Floating 3D Geometric Shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.hero-shape {
  position: absolute;
  border-radius: 50%;
  border: 1px solid hsla(222,100%,50%,0.06);
  background: radial-gradient(circle at 30% 30%, hsla(222,100%,70%,0.04), transparent 70%);
  animation: shape-float 25s infinite alternate var(--ease);
}
.hero-shape-1 {
  width: 500px; height: 500px;
  top: -10%; right: -10%;
  animation-duration: 30s;
}
.hero-shape-2 {
  width: 400px; height: 400px;
  bottom: -15%; left: -8%;
  animation-duration: 25s;
  animation-delay: -8s;
}
.hero-shape-3 {
  width: 250px; height: 250px;
  top: 20%; left: 5%;
  animation-duration: 20s;
  animation-delay: -4s;
}
.hero-shape-4 {
  width: 180px; height: 180px;
  bottom: 25%; right: 8%;
  animation-duration: 22s;
  animation-delay: -12s;
  background: radial-gradient(circle at 30% 30%, hsla(190,100%,60%,0.06), transparent 70%);
  border-color: hsla(190,100%,45%,0.06);
}
@keyframes shape-float {
  0% { transform: translate(0,0) scale(1) rotate(0deg); }
  25% { transform: translate(40px,-60px) scale(1.05) rotate(3deg); }
  50% { transform: translate(-30px,30px) scale(0.98) rotate(-2deg); }
  75% { transform: translate(20px,40px) scale(1.02) rotate(4deg); }
  100% { transform: translate(0,0) scale(1) rotate(0deg); }
}

/* Hero gradient blobs */
.hero-blob-ultra {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: blob-drift 35s infinite alternate var(--ease);
  z-index: 1;
}
.hero-blob-ultra.b1 {
  top: -15%; right: -8%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, hsla(190,100%,75%,0.15) 0%, transparent 60%);
}
.hero-blob-ultra.b2 {
  bottom: -20%; left: -5%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, hsla(222,100%,65%,0.1) 0%, transparent 60%);
  animation-delay: -12s;
  animation-duration: 40s;
}
.hero-blob-ultra.b3 {
  top: 40%; left: 50%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, hsla(190,100%,60%,0.08) 0%, transparent 60%);
  animation-delay: -6s;
  animation-duration: 28s;
}
@keyframes blob-drift {
  0% { transform: translate(0,0) scale(1); }
  33% { transform: translate(50px,-80px) scale(1.08); }
  66% { transform: translate(-40px,60px) scale(0.95); }
  100% { transform: translate(0,0) scale(1); }
}

/* Hero inner layout */
.hero-ultra .hero-inner {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: center;
}

.hero-ultra .hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

/* Ultra badge */
.ultra-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.2rem;
  background: var(--surface-glass);
  
  -webkit-
  border: 1px solid var(--border);
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.82rem;
  color: var(--primary);
  
}
.ultra-badge .badge-pulse {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-glow 1.6s infinite;
}
@keyframes pulse-glow {
  0% { transform: scale(0.95); opacity: 0.5; box-shadow: 0 0 0 0 rgba(0,242,254,0.5); }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 0 8px rgba(0,242,254,0); }
  100% { transform: scale(0.95); opacity: 0.5; box-shadow: 0 0 0 0 rgba(0,242,254,0); }
}

/* Hero heading with split text stagger */
.ultra-heading {
  overflow: hidden;
}
.ultra-heading .line {
  display: block;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  color: var(--text);
  
}
.ultra-heading .line:nth-child(1) {  }
.ultra-heading .line:nth-child(2) {  }
.ultra-heading .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ultra-heading .shimmer-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 30%, var(--primary) 60%, var(--accent) 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer-move 4s ease-in-out infinite;
}
@keyframes shimmer-move {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero description */
.ultra-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.8;
  
}

/* Hero actions row */
.ultra-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  
}

/* Enhanced CTA buttons */
.btn-ultra-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1.1rem 2.4rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  font-family: inherit;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  box-shadow: 0 8px 32px -6px rgba(0,82,204,0.4);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
}
.btn-ultra-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s var(--ease);
}
.btn-ultra-primary:hover::before { left: 100%; }
.btn-ultra-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 48px -6px rgba(0,82,204,0.55);
}
.btn-ultra-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem 2.4rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--surface-glass);
  
  -webkit-
  color: var(--text);
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease);
  cursor: pointer;
  text-decoration: none;
}
.btn-ultra-outline:hover {
  background: var(--surface);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Hero Stats improved */
.ultra-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  
}
.ultra-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.ultra-stat .stat-row {
  display: flex;
  align-items: baseline;
  gap: 0.1rem;
}
.ultra-stat .num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ultra-stat .suffix {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}
.ultra-stat .stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* SaaS Lead Form Card */
.hero-form-card {
  background: var(--surface-glass);
  
  -webkit-
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: 0 32px 80px -20px rgba(10,37,64,0.2), 0 0 0 1px rgba(0,82,204,0.05);
  position: relative;
  
  transform-style: preserve-3d;
}
.hero-form-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-xl) + 1px);
  background: linear-gradient(135deg, hsla(222,100%,50%,0.08), hsla(190,100%,45%,0.08));
  z-index: -1;
  pointer-events: none;
}
.hero-form-card .form-header {
  margin-bottom: 1.8rem;
}
.hero-form-card .form-header h3 {
  font-size: 1.5rem;
  margin-bottom: 0.3rem;
  letter-spacing: -0.03em;
}
.hero-form-card .form-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}
.saas-form .form-group {
  margin-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.saas-form .form-group label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
}
.saas-form .form-group input,
.saas-form .form-group select {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255,255,255,0.8);
  transition: all 0.3s var(--ease);
  outline: none;
}
.saas-form .form-group input:focus,
.saas-form .form-group select:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(0,82,204,0.1);
}
.saas-form .form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230a2540' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  background-size: 1.2rem;
  padding-right: 3rem;
}
.saas-form .btn-submit {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  font-weight: 800;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.4s var(--ease);
  box-shadow: 0 8px 30px -6px rgba(37,211,102,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.saas-form .btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -6px rgba(37,211,102,0.55);
}

/* Hero right side form float */
.hero-ultra .hero-right {
  position: relative;
  z-index: 10;
}

@media (max-width: 968px) {
  .hero-ultra { min-height: auto; padding: 8rem 1.5rem 4rem; }
  .hero-ultra .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-ultra .hero-left { align-items: center; }
  .ultra-desc { max-width: 100%; }
  .ultra-actions { justify-content: center; }
  .ultra-stats { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}
@media (max-width: 576px) {
  .ultra-stats { grid-template-columns: 1fr; gap: 1.2rem; }
  .ultra-stat .num { font-size: 2.2rem; }
  .hero-form-card { padding: 1.8rem; }
  .hero-grid-3d { display: none; }
  .hero-shape-3, .hero-shape-4 { display: none; }
}

/* ─── ULTRA PREMIUM SAAS INTERFACE STYLES ─── */

/* 1. Theme Switcher Toggle */
.theme-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
}
.theme-toggle-btn:hover {
  background: var(--primary-light);
  transform: scale(1.05);
}
.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.5s var(--ease);
}
body.dark .theme-toggle-btn svg {
  transform: rotate(360deg);
}

/* 2. Interactive Chiller Simulator */
.calc-section {
  padding: 6rem 0;
  position: relative;
}
.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 968px) {
  .calc-grid { grid-template-columns: 1fr; }
}
.calc-card-dashboard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 576px) {
  .calc-form { grid-template-columns: 1fr; }
}
.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.calc-group label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
}
.calc-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-weight: 600;
}
.calc-input:focus {
  border-color: var(--primary);
  outline: none;
}
.calc-submit {
  grid-column: 1 / -1;
  padding: 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 800;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  box-shadow: var(--shadow-glow);
}
.calc-submit:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
}

/* Simulator Output Report Panel */
.calc-report-card {
  background: linear-gradient(135deg, var(--surface), var(--primary-light));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
body.dark .calc-report-card {
  background: linear-gradient(135deg, var(--surface), rgba(0, 82, 204, 0.1));
}
.health-gauge-container {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto 2rem;
}
.health-svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}
.health-circle-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 12;
}
.health-circle-val {
  fill: none;
  stroke: url(#gradient-health);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 439.8;
  stroke-dashoffset: 439.8;
  transition: stroke-dashoffset 1.5s var(--ease);
}
.health-percent-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.health-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
}
.health-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}
.report-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.report-stat-item {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  
}
.report-stat-lbl {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}
.report-stat-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: 0.25rem;
}
body.dark .report-stat-val {
  color: var(--accent);
}

/* 3. Interactive Fault Finder Widget */
.fault-section {
  padding: 6rem 0;
  background: var(--primary-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
body.dark .fault-section {
  background: rgba(15, 23, 42, 0.4);
}
.fault-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}
@media (max-width: 968px) {
  .fault-grid { grid-template-columns: 1fr; }
}
.fault-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.fault-btn {
  width: 100%;
  padding: 1.1rem 1.5rem;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.fault-btn:hover {
  transform: translateX(5px);
  border-color: var(--primary);
  background: var(--primary-light);
}
body.dark .fault-btn:hover {
  background: rgba(0, 82, 204, 0.15);
}
.fault-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}
.fault-btn::after {
  content: '→';
  font-size: 1.1rem;
}
.fault-btn.active::after {
  content: '✓';
}

.fault-pane {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.fault-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}
.urgency-badge {
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}
.urgency-crit { background: rgba(239, 68, 68, 0.1); color: rgb(239, 68, 68); }
.urgency-warning { background: rgba(245, 158, 11, 0.1); color: rgb(245, 158, 11); }
.urgency-info { background: rgba(59, 130, 246, 0.1); color: rgb(59, 130, 246); }

.fault-checks {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.fault-checks li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}
.fault-checks li::before {
  content: '☐';
  color: var(--primary);
  font-weight: bold;
}
body.dark .fault-checks li::before {
  color: var(--accent);
}

/* 4. Live Technician Tracker */
.dispatch-section {
  padding: 6rem 0;
}
.dispatch-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}
@media (max-width: 968px) {
  .dispatch-card { grid-template-columns: 1fr; }
}
.dispatch-header {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.live-badge {
  background: rgba(37, 211, 102, 0.1);
  color: #25d366;
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: max-content;
  margin-bottom: 1.5rem;
}
.pulsing-dot {
  width: 8px;
  height: 8px;
  background-color: #25d366;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  animation: pulse-green 1.8s infinite;
}
@keyframes pulse-green {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}
.dispatch-feed {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.5rem;
}
.feed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  transition: all 0.3s var(--ease);
}
.feed-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.feed-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.feed-loc {
  font-weight: 800;
  font-size: 0.95rem;
}
.feed-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.feed-status {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
}

/* 5. SLA Matrix Table */
.sla-section {
  padding: 6rem 0;
  background: var(--bg);
}
.sla-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.sla-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  text-align: left;
}
.sla-table th,
.sla-table td {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}
.sla-table th {
  background: var(--primary-light);
  color: var(--text);
  font-weight: 800;
  font-size: 0.95rem;
}
body.dark .sla-table th {
  background: var(--primary-light);
}
.sla-table tr:last-child td {
  border-bottom: none;
}
.sla-table td.highlight {
  font-weight: 800;
  color: var(--primary);
}
body.dark .sla-table td.highlight {
  color: var(--accent);
}

/* 6. FAQ Accordion */
.faq-accordion-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease);
}
.accordion-header {
  width: 100%;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  text-align: left;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.accordion-header:hover {
  background: var(--primary-light);
}
.accordion-icon {
  font-size: 1rem;
  transition: transform 0.3s var(--ease);
}
.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.accordion-content {
  padding: 0 2rem 1.5rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* 7. Akıllı Arıza Teşhis Sistemi (Intelligent Fault DB) */
.fault-db-header {
  text-align: center;
  margin-bottom: 2rem;
}
.fault-db-header h2 {
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.fault-db-header p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.fault-db-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.fault-search-wrapper {
  position: relative;
  width: 100%;
}
.fault-search-wrapper .search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}
.fault-search-input {
  width: 100%;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  font-size: 1.1rem;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  transition: all 0.3s var(--ease);
  box-shadow: var(--shadow-sm);
}
.fault-search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.fault-brand-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.brand-filter {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.brand-filter:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.brand-filter.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.fault-db-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fault-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease);
}
.fault-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.fault-card-header {
  padding: 1.25rem 1.5rem;
}
.fault-card-title {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.fault-code-badge {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 900;
  font-size: 1.15rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  min-width: 60px;
  text-align: center;
}
.fault-title-text h4 {
  margin: 0 0 0.25rem 0;
  font-size: 1.1rem;
  color: var(--text);
}
.fault-brand-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.fault-card-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.fault-level {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-xl);
  text-transform: uppercase;
}
.level-critical {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}
.level-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.fault-card .chevron-icon {
  color: var(--text-muted);
  transition: transform 0.3s var(--ease);
}
.fault-card.active .chevron-icon {
  transform: rotate(180deg);
}

.fault-details {
  padding: 0 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.detail-group h5 {
  font-size: 0.9rem;
  color: var(--text);
  margin: 0 0 0.4rem 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.detail-group p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.detail-actions {
  margin-top: 0.5rem;
  display: flex;
  justify-content: flex-end;
}

.fault-no-result {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}
.fault-no-result .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.fault-no-result h3 {
  color: var(--text);
  margin-bottom: 0.5rem;
}
.fault-no-result p {
  color: var(--text-muted);
}

.seo-content-hidden {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.seo-content-hidden h3 {
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.seo-content-hidden p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.seo-content-hidden strong {
  color: var(--text);
}

/* 8. Ultra SaaS Right Sidebar */
.saas-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease);
}
.saas-widget:hover {
  box-shadow: var(--shadow-md);
}

/* Live Dispatch Widget */
.widget-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}
.pulse-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: #22c55e;
  border-radius: 50%;
  position: relative;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background-color: #22c55e;
  border-radius: 50%;
  animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
  opacity: 0.7;
}
@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}
.pulse-text {
  font-weight: 800;
  color: var(--text);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tech-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-box {
  background: var(--bg);
  padding: 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--border);
}
.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.text-success { color: #22c55e; }
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.widget-action-area {
  text-align: center;
}
.action-title {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.action-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.btn-premium {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.3s var(--ease);
  margin-bottom: 0.75rem;
}
.btn-call {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(0, 82, 204, 0.39);
}
.btn-call:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 82, 204, 0.4);
}
.btn-whatsapp {
  background: #25D366;
  color: white;
  box-shadow: 0 4px 14px 0 rgba(37, 211, 102, 0.39);
}
.btn-whatsapp:hover {
  background: #20BA5C;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* Premium Link Widget */
.widget-subtitle {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-light);
}
.premium-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.premium-nav-list li a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s var(--ease);
  border: 1px solid transparent;
}
.premium-nav-list li a:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateX(5px);
}
.link-icon {
  margin-right: 0.75rem;
  font-size: 1.1rem;
}
.premium-nav-list li a .arrow {
  margin-left: auto;
  opacity: 0.5;
  transition: opacity 0.2s, transform 0.2s;
}
.premium-nav-list li a:hover .arrow {
  opacity: 1;
  transform: translateX(3px);
}

/* === PERFORMANCE OPTIMIZATIONS === */

/* GPU layers for animated blobs */
.hero-blob,
.hero-blob-ultra,
.hero-shape {
  
  transform: translateZ(0);
}

/* Reduce paint area for marquee */
.marquee-track {
  
}

/* content-visibility for below-fold sections */
.fault-section,
.osb-section,
.knowledge-section,
.faq-section,
.footer {
  content-visibility: auto;
  contain-intrinsic-size: 0 500px;
}

/* Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee-track { animation: none; }
}