/* ============================================
   SELFKEY BİLİŞİM - Modern Design System
   Color Palette Based on Logo Analysis
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Primary Colors - From Logo */
  --primary-navy: #0f2942;
  --primary-navy-light: #1a3a5c;
  --primary-navy-dark: #091a2a;

  /* Secondary Colors */
  --secondary-steel: #6b8cae;
  --secondary-steel-light: #8ba8c7;
  --secondary-steel-dark: #4a6b8a;

  /* Accent Colors */
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-gradient: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-steel) 100%);
  --accent-gradient-reverse: linear-gradient(135deg, var(--secondary-steel) 0%, var(--primary-navy) 100%);

  /* Neutral Colors */
  --white: #ffffff;
  --off-white: #f8fafc;
  --light-gray: #e2e8f0;
  --medium-gray: #94a3b8;
  --dark-gray: #475569;
  --text-primary: #1e293b;
  --text-secondary: #64748b;

  /* Glass Effect Colors */
  --glass-bg: rgba(15, 41, 66, 0.85);
  --glass-border: rgba(107, 140, 174, 0.3);
  --glass-shadow: rgba(0, 0, 0, 0.25);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-primary);

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(107, 140, 174, 0.4);
  --shadow-glow-primary: 0 0 60px rgba(15, 41, 66, 0.6);
}

/* ============================================
   BASE RESET & TYPOGRAPHY
   ============================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--off-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

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

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

ul,
ol {
  list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

.section-header p {
  max-width: 600px;
  margin: var(--space-lg) auto 0;
  font-size: var(--text-lg);
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--white);
  box-shadow: var(--shadow-lg), 0 0 0 0 rgba(107, 140, 174, 0);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-navy);
  border: 2px solid var(--secondary-steel);
}

.btn-secondary:hover {
  background: var(--primary-navy);
  color: var(--white);
  border-color: var(--primary-navy);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--primary-navy);
  border-color: var(--white);
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: var(--white);
  box-shadow: 0 2px 20px rgba(15, 41, 66, 0.1);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: var(--white);
  box-shadow: 0 4px 30px rgba(15, 41, 66, 0.15);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo img {
  height: 96px;
  width: auto;
  transition: all var(--transition-base);
}

.logo img:hover {
  transform: scale(1.03);
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary-navy);
}

.header.scrolled .logo-text {
  color: var(--primary-navy);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--dark-gray);
  font-weight: 500;
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-navy);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--primary-navy);
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--primary-navy);
  transition: all var(--transition-base);
}

/* ============================================
   MEGA MENU STYLES
   ============================================ */
.nav-links>li {
  position: relative;
}

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

.nav-arrow {
  transition: transform var(--transition-base);
}

.has-megamenu:hover .nav-arrow {
  transform: rotate(180deg);
}

.megamenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 25px 80px rgba(15, 41, 66, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  min-width: 800px;
  z-index: 1001;
  border: 1px solid rgba(15, 41, 66, 0.08);
}

.has-megamenu:hover .megamenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.megamenu-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  padding: var(--space-xl);
}

.megamenu-column h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--primary-navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--accent-blue);
}

.megamenu-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.megamenu-column li a {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: 8px;
  transition: all var(--transition-base);
  color: var(--dark-gray);
}

.megamenu-column li a:hover {
  background: var(--light-gray);
  color: var(--primary-navy);
}

.megamenu-column li a svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-blue);
}

.megamenu-column li a div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.megamenu-column li a strong {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary-navy);
}

.megamenu-column li a span {
  font-size: var(--text-xs);
  color: var(--medium-gray);
}

.megamenu-column li a:hover strong {
  color: var(--accent-blue);
}

.megamenu-highlight {
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.03) 0%, rgba(59, 130, 246, 0.05) 100%);
  border-radius: 12px;
  padding: var(--space-md);
  margin: calc(-1 * var(--space-md));
}

/* Compact Megamenu */
.megamenu-compact {
  min-width: 600px;
}

.megamenu-compact .megamenu-inner {
  grid-template-columns: repeat(3, 1fr);
}

.megamenu-simple li a {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-sm);
  color: var(--dark-gray);
}

.megamenu-simple li a:hover {
  color: var(--accent-blue);
  background: var(--light-gray);
}

/* Partners Megamenu */
.megamenu-partners {
  min-width: 500px;
}

.megamenu-partners .megamenu-inner {
  display: block;
  padding: var(--space-lg);
}

.megamenu-partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: 12px;
  border: 1px solid var(--light-gray);
  transition: all var(--transition-base);
  text-align: center;
}

.partner-card:hover {
  border-color: var(--accent-blue);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(26, 54, 93, 0.02) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.partner-card img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.partner-card span {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--medium-gray);
}

.partner-card:hover span {
  color: var(--primary-navy);
}

.microsoft-card svg {
  width: 30px;
  height: 30px;
}

/* ============================================
   HERO SLIDER SECTION (Widescreen Corporate)
   ============================================ */

.hero-slider {
  position: relative;
  margin-top: 130px;
  /* Header height compensation */
}

.hero-slider-container {
  position: relative;
  width: 100%;
  height: 60vh;
  min-height: 400px;
  max-height: 600px;
  overflow: hidden;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(15, 41, 66, 0.85) 0%,
      rgba(15, 41, 66, 0.6) 50%,
      rgba(15, 41, 66, 0.75) 100%);
}

.hero-slide-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

.hero-slide-content .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(107, 140, 174, 0.2);
  border: 1px solid rgba(107, 140, 174, 0.3);
  border-radius: var(--radius-full);
  color: var(--secondary-steel-light);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.hero-slide-content .hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-slide-content h1 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--space-md);
  line-height: 1.15;
  max-width: 700px;
}

.hero-slide-content h1 .highlight {
  background: linear-gradient(135deg, var(--secondary-steel-light) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-slide-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  max-width: 550px;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-slide-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Slider Navigation Arrows */
.hero-slider-nav {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  pointer-events: none;
  z-index: 20;
}

.hero-slider-prev,
.hero-slider-next {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  pointer-events: auto;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.hero-slider-prev:hover,
.hero-slider-next:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  transform: scale(1.1);
}

.hero-slider-prev svg,
.hero-slider-next svg {
  width: 24px;
  height: 24px;
}

/* Slider Dots */
.hero-slider-dots {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 20;
}

.hero-slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.hero-slider-dot.active {
  background: var(--white);
  border-color: var(--white);
  transform: scale(1.2);
}

.hero-slider-dot:hover:not(.active) {
  background: rgba(255, 255, 255, 0.5);
}

/* Progress Bar */
.hero-slider-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 20;
}

.hero-slider-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--secondary-steel-light));
  width: 0%;
  transition: width 0.1s linear;
}

/* Stats Bar - Below Slider */
.hero-stats-bar {
  background: var(--primary-navy);
  padding: var(--space-xl) 0;
}

.hero-stats-bar .hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-4xl);
  margin: 0;
  padding: 0;
  border: none;
}

.hero-stats-bar .hero-stat {
  text-align: center;
}

.hero-stats-bar .hero-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.hero-stats-bar .hero-stat-value::after {
  content: '+';
  font-size: 0.7em;
  margin-left: 2px;
}

.hero-stats-bar .hero-stat-label {
  color: var(--secondary-steel-light);
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}

/* Responsive Hero Slider */
@media (max-width: 1024px) {
  .hero-slider-container {
    height: 55vh;
    min-height: 350px;
  }

  .hero-slide-content h1 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  }

  .hero-stats-bar .hero-stats {
    gap: var(--space-2xl);
  }

  .hero-stats-bar .hero-stat-value {
    font-size: var(--text-2xl);
  }
}

@media (max-width: 768px) {
  .hero-slider {
    margin-top: 100px;
  }

  .hero-slider-container {
    height: 50vh;
    min-height: 320px;
  }

  .hero-slide-content {
    padding: 0 var(--space-lg);
    align-items: center;
    text-align: center;
  }

  .hero-slide-content h1 {
    font-size: clamp(1.5rem, 5vw, 2rem);
    max-width: 100%;
  }

  .hero-slide-content p {
    font-size: var(--text-base);
    max-width: 100%;
  }

  .hero-slide-buttons {
    justify-content: center;
  }

  .hero-slider-prev,
  .hero-slider-next {
    width: 40px;
    height: 40px;
  }

  .hero-slider-prev svg,
  .hero-slider-next svg {
    width: 20px;
    height: 20px;
  }

  .hero-stats-bar .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .hero-stats-bar .hero-stat {
    flex: 1 1 45%;
  }

  .hero-stats-bar .hero-stat-value {
    font-size: var(--text-xl);
  }
}

/* ============================================
   PARTNERS SECTION
   ============================================ */

.partners {
  background: var(--white);
  padding: var(--space-3xl) 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.partners-title {
  display: block;
  text-align: center !important;
  width: 100%;
  max-width: none !important;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin: 0 auto var(--space-xl) auto;
  padding: 0 var(--space-lg);
}

.partners-track {
  display: flex;
  animation: marquee 30s linear infinite;
}

.partners-track:hover {
  animation-play-state: paused;
}

.partner-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3xl);
  opacity: 0.6;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.partner-logo img {
  height: 40px;
  width: auto;
}

.partner-logo svg {
  height: 40px;
  width: auto;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* ============================================
   SERVICES SECTION - Premium Glassmorphism Design
   ============================================ */

.services {
  background: linear-gradient(135deg, #0a1628 0%, #0f2942 50%, #1a3a5c 100%);
  position: relative;
  overflow: hidden;
}

/* Floating Orbs Background */
.services::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 20s ease-in-out infinite;
  pointer-events: none;
}

.services::after {
  content: '';
  position: absolute;
  bottom: 5%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 25s ease-in-out infinite reverse;
  pointer-events: none;
}

@keyframes float-orb {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(30px, -30px) scale(1.05);
  }

  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }

  75% {
    transform: translate(20px, 10px) scale(1.02);
  }
}

/* Third floating orb */
.services .container::before {
  content: '';
  position: absolute;
  top: 40%;
  right: 20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 18s ease-in-out infinite 5s;
  pointer-events: none;
  z-index: 0;
}

.services .container {
  position: relative;
  z-index: 10;
}

.services .section-header h2 {
  color: var(--white);
}

.services .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.service-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
  border: none;
  transition: all 0.3s ease;
  overflow: visible;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.service-card-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease;
}

.service-card:hover .service-card-image {
  transform: scale(1.02);
}

.service-card-content {
  padding: var(--space-md) 0 0 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Hide pseudo-elements for clean design */
.service-card::before,
.service-card::after {
  display: none;
}

.service-card h3 {
  margin: 0 0 var(--space-xs) 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--primary-navy);
  line-height: 1.3;
}

.service-card p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Hide icon, show link */
.service-icon {
  display: none;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--primary-navy);
  font-weight: 500;
  font-size: var(--text-sm);
  padding: 0;
  background: none;
  border: none;
  margin-top: auto;
  transition: color 0.2s ease;
}

.service-link:hover {
  color: var(--accent-cyan);
}

.service-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.service-link:hover svg {
  transform: translateX(3px);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card-image {
    height: 180px;
  }
}

/* ============================================
   IT SOLUTIONS SECTION
   ============================================ */

.it-solutions {
  background: linear-gradient(135deg, var(--primary-navy-dark) 0%, var(--primary-navy) 100%);
  position: relative;
  overflow: hidden;
}

.it-solutions::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -25%;
  width: 50%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(107, 140, 174, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.it-solutions .section-header h2 {
  color: var(--white);
}

.it-solutions .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.carousel-header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-xl);
}

.carousel-header-wrapper .section-header {
  text-align: left;
  margin-bottom: 0;
}

.carousel-header-wrapper .section-header h2 {
  color: var(--white);
}

.carousel-header-wrapper .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.carousel-controls {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: 5px;
  position: relative;
  z-index: 10;
}

.carousel-control-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.carousel-control-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.carousel-control-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  z-index: 10;
}

.carousel-track {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: var(--space-md) var(--space-lg);
  padding-left: max(var(--space-lg), calc((100vw - 1280px) / 2 + var(--space-lg)));
  padding-right: max(var(--space-lg), calc((100vw - 1280px) / 2 + var(--space-lg)));
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-item {
  flex: 0 0 320px;
  max-width: 320px;
  scroll-snap-align: start;
}

.carousel-card {
  position: relative;
  display: block;
  width: 100%;
  height: 432px;
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  z-index: 1;
}

.carousel-card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
}

.carousel-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.carousel-card:hover .carousel-card-img img {
  transform: scale(1.05);
}

.carousel-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(9, 26, 42, 0.95) 0%, rgba(9, 26, 42, 0.45) 60%, transparent 100%);
  mix-blend-mode: multiply;
  z-index: -1;
}

.carousel-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.carousel-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
  color: var(--white);
}

.carousel-card-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-lg);
  line-clamp: 2;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.carousel-card-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.carousel-card-link svg {
  transition: transform 0.2s ease;
}

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

.carousel-dots-container {
  display: flex;
  justify-content: center;
  margin-top: var(--space-xl);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
  padding: 0;
}

.carousel-dot.active {
  background: var(--white);
  transform: scale(1.1);
}

@media (min-width: 1024px) {
  .carousel-item {
    flex: 0 0 360px;
    max-width: 360px;
  }
}

@media (max-width: 768px) {
  .carousel-header-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .carousel-controls {
    display: none;
  }

  .carousel-header-wrapper .section-header {
    text-align: left;
  }
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
  background: var(--primary-navy);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(107, 140, 174, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.about .container {
  position: relative;
  z-index: 10;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-content h2 {
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.about-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
  max-width: none;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--white);
}

.about-feature svg {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.about-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(107, 140, 174, 0.15);
  border: 1px solid rgba(107, 140, 174, 0.25);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 50px 150px 50px 150px 50px;
  gap: 16px;
  max-width: 520px;
  width: 100%;
}

.gallery-cell {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  background: rgba(107, 140, 174, 0.08);
  border: 1px solid rgba(107, 140, 174, 0.15);
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.5s ease;
}

.gallery-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.gallery-cell:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.gallery-cell:hover img {
  transform: scale(1.06);
}

.gallery-cell.cell-0 {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
}

.gallery-cell.cell-1 {
  grid-column: 1 / 2;
  grid-row: 2 / 4;
}

.gallery-cell.cell-2 {
  grid-column: 1 / 2;
  grid-row: 4 / 6;
}

.gallery-cell.cell-3 {
  grid-column: 2 / 3;
  grid-row: 3 / 5;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
}

.contact-left-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-card,
.quick-call-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--light-gray);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.contact-info-card:hover,
.quick-call-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--secondary-steel-light);
}

.contact-info-card h3,
.quick-call-card h3 {
  font-family: var(--font-display);
  color: var(--primary-navy);
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.contact-info-card p,
.quick-call-card p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.quick-call-card {
  background: linear-gradient(135deg, rgba(15, 41, 66, 0.02) 0%, rgba(107, 140, 174, 0.05) 100%);
  border: 1px solid rgba(107, 140, 174, 0.2);
  position: relative;
  overflow: hidden;
}

.quick-call-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}

.card-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  color: var(--white);
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-content h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-xs);
  color: var(--primary-navy);
}

.contact-item-content p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.contact-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--accent-blue);
}

.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--light-gray);
  height: fit-content;
}

.contact-form-wrapper h3 {
  font-family: var(--font-display);
  color: var(--primary-navy);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}

.quick-call-form,
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: all var(--transition-base);
  color: var(--text-primary);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' 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 var(--space-md) center;
  background-size: var(--text-lg);
  padding-right: var(--space-2xl);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-steel);
  box-shadow: 0 0 0 4px rgba(107, 140, 174, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.btn-full {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.contact-form .btn {
  width: 100%;
}

/* ============================================
   CONTACT MODAL
   ============================================ */
.contact-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(9, 26, 42, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.contact-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.contact-modal-content {
  background: var(--white);
  border-radius: var(--radius-2xl);
  width: 90%;
  max-width: 520px;
  padding: var(--space-2xl);
  box-shadow: var(--shadow-glow), 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-spring);
  border: 1px solid rgba(107, 140, 174, 0.2);
}

.contact-modal.active .contact-modal-content {
  transform: scale(1) translateY(0);
}

.contact-modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: none;
  font-size: var(--text-lg);
  cursor: pointer;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.contact-modal-close:hover {
  background: var(--off-white);
  color: var(--text-primary);
}

.contact-modal-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.contact-modal-header h3 {
  font-family: var(--font-display);
  color: var(--primary-navy);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}

.contact-modal-header p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.contact-modal-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.modal-step {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.modal-step.current {
  color: var(--primary-navy-light);
  font-weight: 600;
}

.modal-step.completed {
  color: #10b981;
}

.step-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  background: var(--white);
  transition: all var(--transition-base);
}

.modal-step.current .step-icon {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.modal-step.completed .step-icon {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--medium-gray);
  transition: all var(--transition-base);
}

.modal-step.current .step-dot {
  background: var(--accent-blue);
  animation: pulse 1.5s infinite;
}

.step-check {
  width: 16px;
  height: 16px;
  color: #10b981;
  display: none;
}

.modal-step.completed .step-check {
  display: block;
}

.modal-step.completed .step-dot {
  display: none;
}

.step-spinner {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: var(--accent-blue);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  display: none;
}

.modal-step.current .step-spinner {
  display: block;
}

.step-text {
  font-size: var(--text-sm);
}

.contact-modal-success-state {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: fadeInUp 0.4s ease forwards;
}

.contact-modal-success-state.active {
  display: flex;
}

/* Success Checkmark Animation */
.success-checkmark-wrapper {
  margin-bottom: var(--space-lg);
}

.checkmark-circle {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: block;
  stroke-width: 2;
  stroke: #10b981;
  stroke-miterlimit: 10;
  box-shadow: inset 0px 0px 0px #10b981;
  animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s dashed;
}

.checkmark-circle-svg {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke-miterlimit: 10;
  stroke: #10b981;
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check-svg {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  stroke: #10b981;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

.contact-modal-success-state h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--primary-navy);
  margin-bottom: var(--space-sm);
}

.contact-modal-success-state p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  max-width: 360px;
  margin-bottom: var(--space-xl);
  line-height: 1.5;
}

.modal-ok-btn {
  min-width: 140px;
}

/* Animations */
@keyframes spin {
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes stroke {
  100% { stroke-dashoffset: 0; }
}

@keyframes fill {
  100% { box-shadow: inset 0px 0px 0px 40px rgba(16, 185, 129, 0.05); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--primary-navy-dark);
  color: var(--white);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(107, 140, 174, 0.2);
  border-radius: var(--radius-lg);
  color: var(--white);
  transition: all var(--transition-base);
}

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

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-column h4 {
  color: var(--white);
  font-size: var(--text-base);
  margin-bottom: var(--space-lg);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(107, 140, 174, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

.footer-links a:hover {
  color: var(--white);
}

/* ============================================
   ANIMATIONS & SCROLL EFFECTS
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered animations */
.stagger-1 {
  transition-delay: 0.1s;
}

.stagger-2 {
  transition-delay: 0.2s;
}

.stagger-3 {
  transition-delay: 0.3s;
}

.stagger-4 {
  transition-delay: 0.4s;
}

.stagger-5 {
  transition-delay: 0.5s;
}

.stagger-6 {
  transition-delay: 0.6s;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-3xl);
  }

  .nav-links {
    display: none;
  }

  .nav .btn {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .megamenu {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    margin: 0 auto;
    max-width: 480px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .gallery-grid {
    grid-template-rows: 30px 100px 30px 100px 30px;
    gap: 12px;
  }
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  color: var(--white);
  font-size: var(--text-2xl);
  font-weight: 600;
  padding: var(--space-sm) var(--space-xl);
  display: block;
  text-align: center;
  transition: color 0.3s ease;
  text-decoration: none;
}

.mobile-menu a:hover, .mobile-menu a.active {
  color: var(--accent-cyan);
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: none;
  color: var(--white);
  font-size: var(--text-2xl);
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
}

.mobile-menu-close:hover {
  color: var(--accent-cyan);
}

/* ============================================
   HERO 3D (Three.js) — slider yerine
   ============================================ */
.hero3d {
  position: relative;
  margin-top: 130px; /* fixed header payı (slider ile aynı) */
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(120% 90% at 80% 15%, rgba(59, 130, 246, 0.22), transparent 55%),
    radial-gradient(90% 80% at 50% 120%, rgba(6, 182, 212, 0.14), transparent 60%),
    linear-gradient(160deg, var(--primary-navy-dark), var(--primary-navy));
}

.hero3d-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

.hero3d-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--primary-navy-dark) 0%, rgba(9, 26, 42, 0.7) 36%, transparent 66%),
    linear-gradient(0deg, var(--primary-navy) 0%, transparent 32%);
}

.hero3d-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(107, 140, 174, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107, 140, 174, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 45%, #000 20%, transparent 75%);
  mask-image: radial-gradient(70% 70% at 50% 45%, #000 20%, transparent 75%);
}

.hero3d-inner {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: clamp(480px, 72vh, 720px);
  padding-block: var(--space-3xl);
}

.hero3d .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(107, 140, 174, 0.18);
  border: 1px solid rgba(107, 140, 174, 0.3);
  border-radius: var(--radius-full);
  color: var(--secondary-steel-light);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.hero3d .hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero3d h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.12;
  max-width: 16ch;
  margin-bottom: var(--space-md);
}

.hero3d h1 .highlight {
  background: linear-gradient(135deg, var(--secondary-steel-light) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero3d p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  max-width: 520px;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero3d-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@keyframes hero3dIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero3d .hero-badge,
  .hero3d h1,
  .hero3d p,
  .hero3d-buttons {
    opacity: 0;
    animation: hero3dIn 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  }
  .hero3d .hero-badge { animation-delay: 0.1s; }
  .hero3d h1 { animation-delay: 0.2s; }
  .hero3d p { animation-delay: 0.32s; }
  .hero3d-buttons { animation-delay: 0.42s; }
}

@media (max-width: 768px) {
  .hero3d-inner {
    align-items: center;
    text-align: center;
    min-height: clamp(420px, 70vh, 600px);
  }
  .hero3d-veil {
    background:
      linear-gradient(180deg, rgba(9, 26, 42, 0.5), rgba(9, 26, 42, 0.82)),
      linear-gradient(0deg, var(--primary-navy) 0%, transparent 40%);
  }
  .hero3d-buttons { justify-content: center; }
  .hero3d h1 { max-width: 100%; }
}

/* ============================================
   SHUFFLE GRID HERO ADDITIONS
   ============================================ */
.shuffle-hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-3xl);
  align-items: center;
  width: 100%;
}

.hero3d-left {
  position: relative;
  z-index: 5;
}

.hero3d-right {
  position: relative;
  z-index: 5;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.shuffle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  height: 450px;
  width: 100%;
  max-width: 450px;
  gap: 8px;
  perspective: 1000px;
}

.shuffle-grid-item {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

@media (max-width: 992px) {
  .shuffle-hero-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .hero3d-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .hero3d-left h1 {
    max-width: 100%;
  }
  
  .shuffle-grid {
    height: 380px;
    max-width: 380px;
  }
}

@media (max-width: 576px) {
  .hero3d-right {
    display: none; /* Hide grid on mobile viewports for compact above-the-fold content */
  }
}

/* ============================================
   TABS-BASED SERVICES SECTION (FEATURE 108)
   ============================================ */
.tabs-wrapper {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.tabs-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  padding: 6px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: var(--space-2xl);
  backdrop-filter: blur(10px);
}

.tab-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab-trigger svg {
  color: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-base);
}

.tab-trigger:hover {
  color: var(--white);
}

.tab-trigger.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tab-trigger.active svg {
  color: var(--accent-cyan);
}

.tabs-container {
  width: 100%;
  max-width: var(--max-width-xl);
  margin: 0 auto;
}

.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.tab-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-4xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  backdrop-filter: blur(10px);
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.tab-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

.tab-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--secondary-steel-light);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tab-text h3 {
  color: var(--white);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.tab-text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-base);
  line-height: 1.6;
}

.tab-button {
  margin-top: var(--space-sm);
}

.tab-image {
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.tab-image img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.tab-grid:hover .tab-image img {
  transform: scale(1.03);
}

@media (max-width: 992px) {
  .tab-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding: var(--space-2xl);
  }
  
  .tab-image img {
    height: 280px;
  }
}

@media (max-width: 576px) {
  .tabs-list {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }
  
  .tab-trigger {
    justify-content: center;
  }
}

/* ============================================
   BLOG SECTION & PAGES STYLING
   ============================================ */

/* Blog Theme Global Background */
body.blog-theme {
  background: var(--primary-navy-dark) !important;
  color: var(--white) !important;
}

.blog-hero {
  margin-top: 130px; /* Header height compensation */
  padding-block: var(--space-2xl) var(--space-xl);
  background: radial-gradient(circle at top, rgba(30, 58, 138, 0.15) 0%, rgba(15, 41, 66, 0) 70%);
  text-align: center;
  position: relative;
}

.blog-hero h1 {
  color: var(--white);
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
}

.blog-hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  max-width: 60ch;
  margin: 0 auto;
}

.blog-section {
  padding-bottom: var(--space-5xl);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-4xl);
}

.blog-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 
              0 0 20px rgba(6, 182, 212, 0.1);
}

.blog-card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.06);
}

.blog-card-content {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--secondary-steel-light);
  margin-bottom: var(--space-md);
}

.blog-card-tag {
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-title {
  color: var(--white);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  transition: color 0.3s ease;
}

.blog-card:hover .blog-card-title {
  color: var(--accent-cyan);
}

.blog-card-excerpt {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--space-md);
  margin-top: auto;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

.blog-card-readmore {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--white);
  font-weight: 600;
  transition: gap 0.3s ease, color 0.3s ease;
}

.blog-card:hover .blog-card-readmore {
  gap: var(--space-sm);
  color: var(--accent-cyan);
}

.blog-card-readmore svg {
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-readmore svg {
  transform: translateX(2px);
}

/* ============================================
   SINGLE BLOG POST PAGE
   ============================================ */

.blog-post-page {
  margin-top: 130px; /* Header height compensation */
  padding-bottom: var(--space-5xl);
}

.blog-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding-inline: var(--space-md);
}

.blog-post-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--secondary-steel-light);
  font-size: var(--text-sm);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-2xl);
  font-weight: 500;
  transition: color 0.3s ease, transform 0.3s ease;
}

.blog-post-back:hover {
  color: var(--accent-cyan);
  transform: translateX(-4px);
}

.blog-post-header {
  margin-bottom: var(--space-3xl);
}

.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--secondary-steel-light);
}

.blog-post-tag {
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-xs);
}

.blog-post-header h1 {
  color: var(--white);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
}

.blog-post-hero-image {
  width: 100%;
  height: clamp(250px, 45vh, 480px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-3xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-2xl);
}

.blog-post-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-post-content {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  line-height: 1.75;
}

.blog-post-content p {
  margin-bottom: var(--space-xl);
}

.blog-post-content h2 {
  color: var(--white);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.blog-post-content h3 {
  color: var(--white);
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  font-weight: 600;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-sm);
}

.blog-post-content ul, .blog-post-content ol {
  margin-bottom: var(--space-xl);
  padding-left: var(--space-xl);
}

.blog-post-content li {
  margin-bottom: var(--space-xs);
}

.blog-post-content strong {
  color: var(--white);
}

.blog-post-content blockquote {
  border-left: 4px solid var(--accent-cyan);
  padding: var(--space-md) var(--space-xl);
  background: rgba(6, 182, 212, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-xl);
  font-style: italic;
  color: rgba(255, 255, 255, 0.95);
}

.blog-post-content blockquote p {
  margin-bottom: 0;
}

.blog-post-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  margin-block: var(--space-2xl);
}

.blog-post-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: var(--space-4xl);
  padding-top: var(--space-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.blog-share-title {
  font-weight: 600;
  color: var(--white);
  font-size: var(--text-sm);
}

.blog-share-buttons {
  display: flex;
  gap: var(--space-sm);
}

.blog-share-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--secondary-steel-light);
  transition: all 0.3s ease;
}

.blog-share-btn:hover {
  background: var(--accent-cyan);
  color: var(--dark-navy);
  transform: translateY(-2px);
}

.blog-share-btn svg {
  width: 16px;
  height: 16px;
}