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

:root {
  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --secondary: #1e293b;
  --bg-main: #f8fafc;
  --bg-white: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-light: #e2e8f0;
}

/* Practical UI - Shadows (Less is More) */
.shadow { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04) !important; }
.shadow-sm { box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02) !important; }
.shadow-lg { box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06) !important; }

/* Practical UI - Tipografi Sınıfları */
.optimal-line-length,
.accordion-body,
.footer-dark-map p {
  max-width: 75ch;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-main);
  overflow-x: hidden;
}

/* Site Header & Top Bar */
.site-header {
  transition: transform 0.3s ease;
}
.site-header.scrolled {
  transform: translateY(-40px); /* Adjust to top-bar height */
}
.top-bar {
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  height: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.top-bar-info i {
  color: rgba(255,255,255,0.8);
  margin-right: 5px;
}
.top-bar-info a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.3s;
}
.top-bar-info a:hover {
  opacity: 0.8;
  text-decoration: underline;
}
.top-bar-slogan {
  color: rgba(255,255,255,0.95);
  font-weight: 500;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

/* Navbar Modernization */
.navbar-light-custom {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  padding: 15px 0;
  border-bottom: 1px solid var(--border-light);
  transition: padding 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled .navbar-light-custom {
  padding: 8px 0;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.navbar-light-custom .nav-link {
  color: var(--secondary) !important;
  font-weight: 600;
  padding: 10px 18px;
  transition: all 0.3s ease;
  position: relative;
}
.navbar-light-custom .nav-link:hover, .navbar-light-custom .nav-link.active {
  color: var(--primary) !important;
}
.navbar-light-custom .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 18px; right: 18px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.navbar-light-custom .nav-link:hover::after {
  transform: scaleX(1);
}

/* Dropdown on Hover for Desktop */
@media (min-width: 992px) {
  .navbar .dropdown:hover .dropdown-menu {
    display: block;
    margin-top: 0;
    animation: fadeIn 0.3s ease;
  }
}
.dropdown-toggle::after {
  display: none !important;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 8px 15px rgba(14, 165, 233, 0.2);
  transition: all 0.3s ease;
}
.btn-primary-custom:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 20px rgba(14, 165, 233, 0.3);
  color: #fff;
}
.btn-outline-custom {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--border-light);
  padding: 10px 26px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-outline-custom:hover {
  background: var(--bg-main);
  border-color: var(--primary);
  color: var(--primary);
}

/* Cinematic Slider (Design 01 - Full-bleed Cinematic) */
.cinematic-slider {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 500px;
  overflow: hidden;
  background: #000;
  margin-top: 116px; /* Offset for top-bar (40) + navbar (76) */
}
.cinematic-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.cinematic-slide.active { opacity: 1; z-index: 2; }
.cinematic-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.cinematic-slide.active img { transform: scale(1); }
.cinematic-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 40%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}
.cinematic-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 50px 10%;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
  z-index: 5;
}
.cinematic-slide.active .cinematic-content { opacity: 1; transform: translateY(0); }

.cinematic-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 15px;
}
.cinematic-title span { color: var(--primary); }
.cinematic-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  font-weight: 300;
  margin-bottom: 30px;
}
.cinematic-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(14, 165, 233, 0.2);
  border: 1px solid rgba(14, 165, 233, 0.5);
  border-radius: 30px;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

/* Nav Buttons */
.cinematic-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
  z-index: 10;
  opacity: 0;
  transition: opacity 0.3s, background 0.2s, transform 0.2s;
}
.cinematic-slider:hover .cinematic-btn { opacity: 1; }
.cinematic-btn:hover { background: rgba(255,255,255,0.3); transform: translateY(-50%) scale(1.05); }
.cinematic-btn-prev { left: 40px; }
.cinematic-btn-next { right: 40px; }
.cinematic-btn i { font-size: 1.5rem; }

/* Dots */
.cinematic-dots {
  position: absolute;
  bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; align-items: center;
  z-index: 10;
}
.cinematic-dot {
  height: 6px; border-radius: 3px;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: width 0.4s ease, background 0.3s;
  width: 12px;
  border: none;
  padding: 0;
}
.cinematic-dot.active { width: 40px; background: var(--primary); }

/* Feature Grid (Neden Bizi Seçmelisiniz) */
.feature-section {
  padding: 50px 0;
  background: var(--bg-white);
}
.feature-card {
  padding: 40px 30px;
  border-radius: 16px;
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
  background: var(--bg-white);
  border-color: var(--primary);
}
.feature-icon {
  width: 70px;
  height: 70px;
  background: rgba(14, 165, 233, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 25px;
}
.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 15px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Step Process (Nasıl Çalışırız?) */
.process-section {
  padding: 50px 0;
  background: var(--bg-white);
}
.process-step {
  text-align: center;
  position: relative;
}
.process-step::after {
  content: '\f061';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 35px;
  right: -20px;
  color: var(--border-light);
  font-size: 24px;
}
.process-step:last-child::after { display: none; }
.step-number {
  width: 70px;
  height: 70px;
  background: var(--bg-main);
  border: 2px dashed var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin: 0 auto 20px;
}
.process-step h4 { font-weight: 700; font-size: 1.1rem; }
.process-step p { color: var(--text-muted); font-size: 0.9rem; }

/* Contact CTA */
.cta-section {
  padding: 50px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff;
  border-radius: 30px;
  margin: 60px 0;
}
.cta-title { font-weight: 800; font-size: 2.5rem; margin-bottom: 20px; }

/* Wow Modules: Stats Grid */
.stats-grid-section {
  padding: 50px 0;
  background: #f8fafc;
}
.stats-grid-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-dark);
}
.stats-grid-header h2 span {
  color: var(--primary);
}
.stats-grid-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 900px;
}
.stats-grid-header .divider {
  width: 120px;
  height: 4px;
  background: var(--primary);
  margin-top: 15px;
  margin-bottom: 40px;
  border-radius: 2px;
}
.stat-grid-card {
  background: #fff;
  border-radius: 16px;
  padding: 15px 20px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  display: flex;
  align-items: center;
  gap: 15px;
  height: 100%;
  border: 1px solid rgba(0,0,0,0.02);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-grid-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}
.stat-grid-icon {
  width: 45px;
  height: 45px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.8rem;
}
.stat-grid-text {
  font-weight: 700;
  color: var(--text-dark);
  font-size: 0.95rem;
  line-height: 1.2;
}

/* Dark Map Footer */
.footer-dark-map {
  background-color: #050b14;
  background-image: url('../images/turkey_map.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 50px 0 20px;
  position: relative;
  color: #e2e8f0;
  border-top: 2px solid var(--primary);
}
.footer-dark-map::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(5,11,20,0.95) 0%, rgba(5,11,20,0.8) 50%, rgba(5,11,20,0.95) 100%);
  z-index: 1;
}
.footer-content {
  position: relative;
  z-index: 10;
}
.map-badge {
  display: inline-block;
  padding: 10px 20px;
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(14, 165, 233, 0.5);
  border-radius: 30px;
  color: #38bdf8;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 40px;
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
}
.footer-dark-map .footer-title {
  color: #fff;
  font-weight: 700;
  margin-bottom: 25px;
  font-size: 1.2rem;
  position: relative;
  display: inline-block;
}
.footer-dark-map .footer-title::after {
  content: '';
  position: absolute; bottom: -8px; left: 0; width: 40px; height: 3px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-dark-map .footer-links { list-style: none; padding: 0; }
.footer-dark-map .footer-links li { margin-bottom: 15px; }
.footer-dark-map .footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: all 0.3s ease;
}
.footer-dark-map .footer-links a:hover {
  color: #38bdf8;
  padding-left: 8px;
}
.footer-dark-map .social-links a {
  background: rgba(255,255,255,0.05);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
  display: inline-flex; align-items: center; justify-content: center;
  width: 45px; height: 45px; border-radius: 50%;
  margin-right: 12px; transition: all 0.3s ease;
}
.footer-dark-map .social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(14,165,233,0.3);
}

/* Solutions Module (Usta & Cards) */
.solutions-section {
  padding: 50px 0;
  background: #fdfdfd;
  overflow: hidden;
  position: relative;
}
.solutions-section .container {
  position: relative;
  z-index: 2;
}
.solutions-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
}
.solutions-header h2 span {
  color: var(--primary);
}
.solutions-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 800px;
}
.tech-master-img {
  width: 100%;
  max-width: 400px;
  display: block;
  margin: 0 auto;
  border-radius: 30px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 80%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 80%, rgba(0,0,0,0) 100%);
}
.solution-card {
  background: var(--bg-white);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.05);
  height: 100%;
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.02);
  text-align: center;
}
.solution-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 45px rgba(0,0,0,0.08);
}
.solution-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 20px;
}
.solution-card h4 {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-dark);
  margin-bottom: 15px;
}
.solution-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}
.solution-card.highlight {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  border: 1px solid #fed7aa;
}
.solution-card.highlight h4 {
  color: #ea580c;
}

/* Meter Reading Module */
.meter-card {
  transition: all 0.3s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.meter-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.08) !important;
  border-color: rgba(14, 165, 233, 0.3);
}
.meter-icon-box {
  transition: all 0.3s ease;
}
.meter-card:hover .meter-icon-box {
  background: rgba(14, 165, 233, 0.1) !important;
  transform: scale(1.05);
}
.meter-card:hover .meter-info h5 {
  color: var(--primary);
}
.meter-card:hover .meter-info a {
  color: var(--primary) !important;
}
.simulation-image-wrapper img {
  transition: transform 0.5s ease;
}
.simulation-image-wrapper:hover img {
  transform: scale(1.02);
}

@media (max-width: 991px) {
  .hero-content { left: 5%; padding-right: 5%; }
  .process-step::after { display: none; }
  .process-step { margin-bottom: 40px; }
}

/* Acýbadem Style Mobile Menu CSS */
#acibademMobileMenu { transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
#acibademMobileMenu .btn-close { box-shadow: none; }
.aci-menu-item { background-color: transparent; }
.aci-icon-wrapper { width: 55px; height: 55px; border: 1px solid #d1d5db; color: #6b7280; transition: all 0.2s ease; margin: 0 auto; }
.aci-menu-item:active .aci-icon-wrapper { background-color: #f3f4f6; border-color: #9ca3af; color: var(--primary); }
.aci-menu-text { font-size: 0.65rem; font-weight: 600; color: #4b5563; margin-top: 2px; letter-spacing: 0.5px; display: block; }