/* ==========================================================================
   ITA TEKNİK ELEKTRİK TAAHHÜT MÜHENDİSLİK - Fixed Layout & Perfectly Balanced Logo
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Premium Dark Palette */
  --bg-dark: #040814;
  --bg-dark-secondary: #070F22;
  --surface-card: #0C172F;
  --surface-card-hover: #12203F;
  
  --border-dark: #192A4D;
  --border-active: #2563EB;

  --navy-brand: #0A3366;
  --electric-blue: #2563EB;
  --electric-cyan: #38BDF8;

  --text-white: #FFFFFF;
  --text-muted: #94A3B8;

  --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.35);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-white);
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Utilities */
.text-gradient {
  background: linear-gradient(135deg, #60A5FA 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-cyan {
  color: var(--electric-cyan);
}

.section-padding {
  padding: 5.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.25rem;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--electric-cyan);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 2.75rem;
  margin-bottom: 1rem;
  color: var(--text-white);
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Sleek Compact Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(4, 8, 20, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dark);
  padding: 0.5rem 0 !important;
}

.navbar .container {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 105px !important;
  min-height: 105px !important;
  max-height: 105px !important;
}

/* Perfect Balanced Transparent Logo */
.brand-logo-wrapper {
  background: transparent !important;
  padding: 0 !important;
  box-shadow: none !important;
  border: none !important;
  display: inline-flex !important;
  align-items: center !important;
  transition: var(--transition-normal);
}

.brand-logo-wrapper:hover {
  transform: scale(1.02);
}

.brand-logo-wrapper img {
  height: 88px !important;
  min-height: 88px !important;
  max-height: 88px !important;
  width: auto !important;
  display: block !important;
  filter: drop-shadow(0 0 2px #FFFFFF) drop-shadow(0 0 6px rgba(255, 255, 255, 0.85)) drop-shadow(0 4px 14px rgba(0, 0, 0, 0.6));
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--electric-blue);
  transition: var(--transition-fast);
}

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

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--text-white);
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  background: var(--bg-dark);
  padding: 4.5rem 0 6rem 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 60% 40%, rgba(37, 99, 235, 0.15) 0%, transparent 60%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.4rem;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-card-preview {
  position: relative;
  background: var(--surface-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-dark);
}

.hero-card-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-dark);
}

.hero-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.hero-feature-item i {
  color: var(--electric-blue);
}

/* Stats Counter Section */
.stats-bar {
  position: relative;
  z-index: 10;
  margin-top: -2.5rem;
}

.stats-container {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dark);
  padding: 2.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  border: 1px solid var(--border-dark);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -1rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-dark);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img-box {
  position: relative;
}

.about-img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-dark);
}

.about-content-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.about-list-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-white);
}

.about-list-item i {
  color: var(--electric-blue);
  font-size: 1.25rem;
}

/* Services Section */
.services-section {
  background: var(--bg-dark-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border-dark);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
  cursor: pointer;
}

.service-card:hover {
  background: var(--surface-card-hover);
  border-color: var(--electric-blue);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  font-size: 2.25rem;
  color: var(--electric-blue);
  margin-bottom: 1.25rem;
}

.service-title {
  font-size: 1.25rem;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Sectors Section */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.sector-card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  border: 1px solid var(--border-dark);
  transition: var(--transition-normal);
}

.sector-card:hover {
  border-color: var(--electric-blue);
  background: var(--surface-card-hover);
  transform: translateY(-4px);
}

.sector-icon {
  font-size: 2.25rem;
  color: var(--electric-blue);
  margin-bottom: 1rem;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  transition: var(--transition-normal);
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--electric-blue);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.project-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.project-details {
  padding: 1.25rem;
}

.project-category {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--electric-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.project-title {
  font-size: 1.2rem;
  color: var(--text-white);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: var(--surface-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-dark);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--electric-cyan);
  background: rgba(37, 99, 235, 0.15);
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.map-container {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-dark);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: invert(90%) hue-rotate(180deg);
}

/* Footer */
.footer {
  background: #02050E;
  color: var(--text-muted);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--border-dark);
  clear: both;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 105px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 105px);
    background: var(--bg-dark);
    flex-direction: column;
    padding: 3rem 2rem;
    transition: var(--transition-normal);
  }
  .nav-menu.active { left: 0; }
  .mobile-toggle { display: block; }
  .hero-title { font-size: 2.4rem; }
  .stats-container { grid-template-columns: 1fr; }
  .stat-item:not(:last-child)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}