/* ==========================================================================
   FEMA ENDÜSTRİYEL - Modern Corporate CSS Design System
   ========================================================================== */

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

:root {
  /* Color Palette - Fema Endüstriyel Brand Blue (#009FE3) & Corporate Navy */
  --primary-50: #EBF8FF;
  --primary-100: #D1F0FF;
  --primary-500: #009FE3;
  --primary-600: #0084BE;
  --primary-700: #006798;
  --primary-800: #004E73;
  --primary-900: #00334C;
  
  --accent-cyan: #00B4D8;
  --accent-gradient: linear-gradient(135deg, #009FE3 0%, #006798 100%);
  --accent-gold: #F59E0B;

  --dark-900: #0F172A;
  --dark-800: #1E293B;
  --dark-700: #334155;
  
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50: #F8FAFC;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevation Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(0, 159, 227, 0.25);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transition speeds */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset */
*, *::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(--slate-50);
  color: var(--dark-800);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

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

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

/* Typography Utility */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark-900);
  font-weight: 700;
  line-height: 1.25;
}

.text-primary { color: var(--primary-500); }
.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-muted { color: var(--slate-500); }

/* Top Announcement / Info Bar */
.top-bar {
  background: var(--dark-900);
  color: var(--slate-300);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.top-bar-info item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.top-bar-info svg {
  color: var(--primary-500);
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.25rem 0;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-logo {
  display: flex;
  align-items: center;
  height: 52px;
}
.brand-logo img {
  height: 100%;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark-700);
  position: relative;
  padding: 0.5rem 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-600);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--dark-900);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  text-align: center;
}

.btn-primary {
  background: var(--primary-500);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 159, 227, 0.35);
}
.btn-primary:hover {
  background: var(--primary-600);
  box-shadow: 0 6px 20px rgba(0, 159, 227, 0.45);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--primary-500);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 159, 227, 0.35);
}
.btn-accent:hover {
  background: var(--primary-600);
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 159, 227, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--dark-800);
  border: 1.5px solid var(--slate-300);
}
.btn-outline:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  background: var(--primary-50);
}

.btn-white {
  background: #FFFFFF;
  color: var(--dark-900);
  box-shadow: var(--shadow-md);
}
.btn-white:hover {
  background: var(--slate-100);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--dark-900) 0%, var(--dark-800) 100%);
  color: #FFFFFF;
  padding: 5rem 0 6rem;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.15) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(2, 132, 199, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  color: #38BDF8;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3.1rem;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}
.hero-title span {
  color: #38BDF8;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--slate-300);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.75rem;
}
.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.hero-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38BDF8;
  flex-shrink: 0;
}
.hero-feature-text h4 {
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 700;
}
.hero-feature-text p {
  color: var(--slate-400);
  font-size: 0.8rem;
}

.hero-media {
  position: relative;
}
.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-floating-card .icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
}

/* Section Common */
.section {
  padding: 5rem 0;
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}
.section-subtitle {
  color: var(--primary-600);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  display: block;
}
.section-title {
  font-size: 2.25rem;
  color: var(--dark-900);
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--slate-500);
  font-size: 1.05rem;
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.category-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  border: 1px solid var(--slate-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--slate-200);
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}
.category-card:hover::before {
  background: var(--accent-gradient);
}
.category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  transition: var(--transition);
}
.category-card:hover .category-icon {
  background: var(--primary-600);
  color: #FFFFFF;
}
.category-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.category-card p {
  color: var(--slate-500);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.category-link {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary-600);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: auto;
}

/* Stats Counter Section */
.stats-section {
  background: var(--dark-900);
  color: #FFFFFF;
  padding: 4rem 0;
  position: relative;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: #38BDF8;
  margin-bottom: 0.25rem;
}
.stat-label {
  color: var(--slate-300);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Call to Action Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--dark-900) 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}
.cta-content h2 {
  color: #FFFFFF;
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}
.cta-content p {
  color: var(--slate-300);
  font-size: 1.1rem;
  max-width: 600px;
}

/* Footer */
.site-footer {
  background: var(--dark-900);
  color: var(--slate-300);
  padding-top: 5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand p {
  color: var(--slate-400);
  font-size: 0.9rem;
  margin: 1.25rem 0 1.5rem;
}
.social-links {
  display: flex;
  gap: 0.75rem;
}
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-300);
  transition: var(--transition);
}
.social-icon:hover {
  background: var(--primary-600);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary-500);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-links a {
  color: var(--slate-400);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: #38BDF8;
  padding-left: 5px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--slate-300);
  font-size: 0.9rem;
}
.contact-item svg {
  color: #38BDF8;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--slate-400);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-banner {
    flex-direction: column;
    text-align: center;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar { display: none; }
  .nav-menu {
    position: fixed;
    top: 84px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 84px);
    background: #FFFFFF;
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.active {
    left: 0;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}