/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Open+Sans:wght@300;400;600&display=swap');

/* ==========================================
   CSS DESIGN TOKENS
   ========================================== */

:root {
  /* Color Palette - Professional Engineering Theme */
  --color-primary: #1f3f6b;           /* Deep Blue - Primary */
  --color-primary-dark: #152d4d;      /* Darker Blue - Footers/Headers */
  --color-primary-light: #2d5a8f;     /* Lighter Blue - Hover states */
  --color-accent: #f28c28;            /* Professional Orange - CTAs */
  --color-accent-hover: #d97818;      /* Darker Orange - Hover */
  
  /* Neutral Colors */
  --color-dark: #111827;              /* Darker Gray - Text (improved contrast) */
  --color-gray: #4B5563;              /* Medium Gray - Secondary text (improved contrast) */
  --color-light-gray: #E5E7EB;        /* Light Gray - Borders */
  --color-off-white: #F9FAFB;         /* Off White - Alternate sections */
  --color-white: #FFFFFF;             /* Pure White - Main background */
  --color-section-alt: #F3F4F6;       /* Alternate section background */
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Spacing - Generous spacing for premium feel */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2.5rem;    /* 40px - Increased */
  --spacing-xl: 3.5rem;    /* 56px - Increased */
  --spacing-2xl: 5rem;     /* 80px - Increased */
  --spacing-3xl: 8rem;     /* 128px - Increased for better visual hierarchy */
  --spacing-4xl: 11rem;    /* 176px - Increased for better visual hierarchy */
  
  /* Border Radius - Subtle rounded corners */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.625rem;   /* 10px */
  --radius-lg: 0.875rem;   /* 14px */
  --radius-xl: 1.25rem;    /* 20px */
  
  /* Shadows - Refined, premium shadows for depth */
  --shadow-sm: 0 1px 3px 0 rgba(31, 63, 107, 0.04), 0 1px 2px 0 rgba(31, 63, 107, 0.02);
  --shadow-md: 0 4px 12px -2px rgba(31, 63, 107, 0.06), 0 2px 6px -1px rgba(31, 63, 107, 0.03);
  --shadow-lg: 0 12px 28px -4px rgba(31, 63, 107, 0.08), 0 4px 12px -2px rgba(31, 63, 107, 0.04);
  --shadow-xl: 0 20px 40px -8px rgba(31, 63, 107, 0.10), 0 8px 20px -4px rgba(31, 63, 107, 0.05);
  --shadow-2xl: 0 28px 56px -12px rgba(31, 63, 107, 0.12), 0 12px 28px -6px rgba(31, 63, 107, 0.06);
  
  /* Transitions - Smooth and elegant */
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 600ms cubic-bezier(0.4, 0, 0.1, 1);
  
  /* Container */
  --container-max: 1200px;
  --container-padding: var(--spacing-md);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.65;
  color: var(--color-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

a:hover {
  opacity: 0.85;
}

ul {
  list-style: none;
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: 1.25;
  color: #0F172A;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
}

h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.15;
}

h2 {
  font-size: var(--text-4xl);
  line-height: 1.2;
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray);
  line-height: 1.7;
}

/* Strong emphasis */
strong {
  color: var(--color-dark);
  font-weight: var(--font-semibold);
}

/* ==========================================
   LAYOUT CONTAINERS
   ========================================== */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section {
  padding: var(--spacing-3xl) 0;
  position: relative;
  transition: background-color var(--transition-smooth);
  background-color: var(--color-white);
}

/* Alternating section backgrounds */
section:nth-of-type(even):not(.hero):not(.footer) {
  background-color: var(--color-section-alt);
}

/* Sections with inline styles keep their backgrounds */
section[style*="background-color"] {
  /* Inline styles take precedence */
}

/* Subtle divider lines between major sections */
section + section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(31, 63, 107, 0.08) 20%, rgba(31, 63, 107, 0.08) 80%, transparent 100%);
  opacity: 0.6;
}

/* Remove divider after hero sections */
.hero + section::before {
  display: none;
}

section > .container {
  position: relative;
  z-index: 1;
}

/* Consistent section spacing with generous padding */
@media (min-width: 1024px) {
  section {
    padding: var(--spacing-4xl) 0;
  }
}

/* Improved contrast for section backgrounds on off-white sections */
section[style*="background-color: var(--color-off-white)"] {
  background-color: var(--color-section-alt) !important;
}

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

.header {
  background-color: var(--color-white);
  box-shadow: 0 2px 8px 0 rgba(31, 63, 107, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  box-shadow: 0 4px 16px 0 rgba(31, 63, 107, 0.10);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(31, 63, 107, 0.06);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  min-height: 70px;
}

.logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  transition: opacity var(--transition-fast);
  letter-spacing: -0.02em;
  display: inline-block;
  line-height: 1;
  text-decoration: none;
}

.logo:hover {
  opacity: 0.85;
}

/* Logo image styling */
.logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: all var(--transition-fast);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  color: var(--color-dark);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  opacity: 1;
}

.nav-link.active {
  color: var(--color-primary);
}

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

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-2xl);
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  color: var(--color-primary-light);
}

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

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-slow);
  border: 2px solid transparent;
  text-align: center;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--transition-smooth), height var(--transition-smooth);
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px -2px rgba(242, 140, 40, 0.24), 0 2px 6px -1px rgba(242, 140, 40, 0.12);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -4px rgba(242, 140, 40, 0.36), 0 8px 16px -2px rgba(242, 140, 40, 0.18);
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -3px rgba(242, 140, 40, 0.30), 0 4px 10px -1px rgba(242, 140, 40, 0.16);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px -2px rgba(31, 63, 107, 0.15), 0 2px 6px -1px rgba(31, 63, 107, 0.08);
  padding: 1.125rem 2.25rem;
}

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  border-color: var(--color-primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -4px rgba(31, 63, 107, 0.32), 0 8px 18px -2px rgba(31, 63, 107, 0.16);
  opacity: 1;
}

.btn-secondary:active {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -2px rgba(31, 63, 107, 0.26), 0 4px 10px -1px rgba(31, 63, 107, 0.14);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-secondary.btn-large {
  padding: 1.25rem 2.75rem;
}

/* ==========================================
   HERO SECTION - Premium Corporate Design
   ========================================== */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  overflow: hidden;
  padding: var(--spacing-4xl) 0;
}

/* Homepage Hero - Large with background image */
.hero.hero-home {
  min-height: 85vh;
  background-image: url('https://images.pexels.com/photos/9712067/pexels-photo-9712067.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero.hero-home::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(18, 35, 59, 0.95) 0%, 
    rgba(31, 63, 107, 0.90) 40%,
    rgba(31, 63, 107, 0.85) 60%,
    rgba(31, 63, 107, 0.75) 100%
  );
  z-index: 0;
}

.hero.hero-home .hero-headline,
.hero.hero-home .hero-subtext,
.hero.hero-home .trust-label,
.hero.hero-home .trust-value {
  color: var(--color-white);
}

.hero.hero-home .hero-trust-indicators {
  border-top-color: rgba(255, 255, 255, 0.2);
}

/* Internal Pages Hero - Smaller with background */
.hero.hero-internal {
  min-height: 40vh;
  padding: var(--spacing-3xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero.hero-internal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(18, 35, 59, 0.92) 0%, 
    rgba(31, 63, 107, 0.88) 100%
  );
  z-index: 0;
}

.hero.hero-internal .hero-content,
.hero.hero-internal .hero-headline,
.hero.hero-internal .hero-subtext {
  color: var(--color-white);
}

/* About Page Hero Background */
.hero-about {
  background-image: url('https://images.pexels.com/photos/4458203/pexels-photo-4458203.jpeg');
}

/* Services Page Hero Background */
.hero-services {
  background-image: url('https://images.pexels.com/photos/5921663/pexels-photo-5921663.jpeg');
}

/* Contact Page Hero Background */
.hero-contact {
  background-image: url('https://images.pexels.com/photos/443397/pexels-photo-443397.jpeg');
}

/* Contact Page New Hero with Engineering Background */
.hero-contact-new {
  background-image: url('https://images.pexels.com/photos/6615028/pexels-photo-6615028.jpeg');
  background-position: center center;
}

/* Subtle Background Pattern */
.hero-background-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1s ease-out 0.3s forwards;
}

.hero-background-pattern::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(242, 140, 40, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

/* Hero Grid Layout */
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

/* Left Content */
.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInLeft 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.hero-subtext {
  font-size: var(--text-xl);
  line-height: 1.7;
  color: var(--color-gray);
  margin-bottom: var(--spacing-2xl);
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

/* Trust Indicators */
.hero-trust-indicators {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--color-light-gray);
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trust-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.trust-value {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
}

.trust-divider {
  width: 1px;
  height: 40px;
  background-color: var(--color-light-gray);
}

/* Right Visual */
.hero-visual {
  position: relative;
  z-index: 2;
  animation: fadeInRight 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
  padding: var(--spacing-lg);
}

.engineering-illustration {
  width: 100%;
  height: auto;
  max-width: 600px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 10px 30px rgba(31, 63, 107, 0.08));
}

.engineering-illustration .building-group {
  animation: slideInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
}

.engineering-illustration .building-group:nth-child(2) {
  animation-delay: 1s;
}

.engineering-illustration .technical-elements {
  animation: fadeIn 1s ease-out 1.4s both;
}

.engineering-illustration .accent-shapes rect {
  animation: rotateAccent 3s ease-in-out infinite;
}

/* ==========================================
   SECTION HEADINGS
   ========================================== */

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.section-subtitle {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: var(--text-4xl);
  color: #0F172A;
  margin-bottom: var(--spacing-sm);
}

.section-description {
  max-width: 700px;
  margin: 0 auto;
  font-size: var(--text-lg);
  color: var(--color-gray);
  line-height: 1.7;
}

/* ==========================================
   CARDS & SERVICES
   ========================================== */

/* Premium Card - Reusable Component */
.premium-card {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(31, 63, 107, 0.08);
  transition: all var(--transition-slow);
  border: 1px solid rgba(31, 63, 107, 0.05);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(31, 63, 107, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.premium-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(31, 63, 107, 0.15);
  border-color: rgba(31, 63, 107, 0.1);
}

.premium-card:hover::before {
  opacity: 1;
}

.premium-card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--spacing-lg);
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-slow);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(31, 63, 107, 0.15);
}

.premium-card:hover .premium-card-icon {
  background-color: var(--color-accent);
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(242, 140, 40, 0.3);
}

.premium-card-icon img {
  width: 36px;
  height: 36px;
  filter: brightness(0) saturate(100%) invert(100%);
  transition: all var(--transition-base);
}

.premium-card h3,
.premium-card h4 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: #0F172A;
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.premium-card p {
  color: var(--color-gray);
  line-height: 1.7;
  font-size: var(--text-base);
  position: relative;
  z-index: 1;
  margin: 0;
  flex-grow: 1;
}

.premium-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  border: 1px solid rgba(31, 63, 107, 0.06);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, transparent 0%, rgba(242, 140, 40, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 63, 107, 0.03) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: width var(--transition-smooth), height var(--transition-smooth);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(242, 140, 40, 0.2);
}

.card:hover::before {
  opacity: 1;
}

.card:hover::after {
  width: 600px;
  height: 600px;
}

.card-icon {
  width: 72px;
  height: 72px;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-off-white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-slow);
  position: relative;
  z-index: 1;
  box-shadow: 0 2px 8px 0 rgba(31, 63, 107, 0.04);
}

.card:hover .card-icon {
  background-color: var(--color-accent);
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 24px 0 rgba(242, 140, 40, 0.28);
}

.card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(23%) sepia(56%) saturate(1843%) hue-rotate(201deg) brightness(93%) contrast(96%);
  transition: filter var(--transition-base);
}

.card:hover .card-icon img {
  filter: brightness(0) saturate(100%) invert(100%);
}

/* Icon styling for cards without card-icon wrapper */
.card > img:first-child {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  filter: brightness(0) saturate(100%) invert(23%) sepia(56%) saturate(1843%) hue-rotate(201deg) brightness(93%) contrast(96%);
  transition: all var(--transition-base);
}

.card:hover > img:first-child {
  filter: brightness(0) saturate(100%) invert(47%) sepia(84%) saturate(1500%) hue-rotate(2deg) brightness(96%) contrast(93%);
  transform: scale(1.05);
}

.card h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
  color: #0F172A;
}

.card p {
  color: var(--color-gray);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

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

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
  border: 1px solid rgba(31, 63, 107, 0.08);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 63, 107, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.about-image:hover::after {
  opacity: 1;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  font-size: var(--text-lg);
  line-height: 1.8;
}

/* About Story Section - Two Column Layout */
.about-story-section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-white);
  position: relative;
}

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

.about-story-content {
  padding-right: var(--spacing-lg);
}

.story-text p {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-dark);
  margin-bottom: var(--spacing-lg);
}

.story-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 2px solid var(--color-light-gray);
}

.highlight-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-off-white);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.highlight-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  transition: width var(--transition-slow);
}

.highlight-item:hover {
  transform: translateY(-8px);
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  border-color: rgba(242, 140, 40, 0.2);
}

.highlight-item:hover::after {
  width: 60%;
}

.highlight-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-slow);
}

.highlight-item:hover .highlight-number {
  color: var(--color-accent-hover);
  transform: scale(1.08);
}

.highlight-label {
  color: var(--color-gray);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.about-story-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  position: relative;
  height: 100%;
  min-height: 550px;
  border: 1px solid rgba(31, 63, 107, 0.06);
}

.about-story-image::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  z-index: -1;
  border-radius: var(--radius-xl);
}

.about-story-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 63, 107, 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.about-story-image:hover::before {
  opacity: 0.2;
}

.about-story-image:hover::after {
  opacity: 1;
}

.about-story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.about-story-image:hover img {
  transform: scale(1.06);
}

/* Mission, Vision, Values Section */
.mvv-section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-off-white);
}

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.mvv-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.mvv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(31, 63, 107, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.mvv-card:hover {
  transform: translateY(-14px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(242, 140, 40, 0.25);
}

.mvv-card:hover::before {
  opacity: 1;
}

.mvv-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px 0 rgba(31, 63, 107, 0.18);
  transition: all var(--transition-slow);
  position: relative;
  z-index: 1;
}

.mvv-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  z-index: -1;
}

.mvv-card:hover .mvv-icon {
  transform: scale(1.15) rotate(8deg);
  box-shadow: 0 16px 40px 0 rgba(31, 63, 107, 0.35);
}

.mvv-card:hover .mvv-icon::after {
  opacity: 0.15;
}

.mvv-icon img {
  width: 44px;
  height: 44px;
  filter: brightness(0) saturate(100%) invert(100%);
}

.mvv-title {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-bold);
  position: relative;
  z-index: 1;
}

.mvv-description {
  color: var(--color-dark);
  line-height: 1.8;
  font-size: var(--text-base);
  margin: 0;
  position: relative;
  z-index: 1;
}

.mvv-values-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: left;
  position: relative;
  z-index: 1;
}

.value-item {
  padding: var(--spacing-sm) 0;
}

.value-item strong {
  display: block;
  color: var(--color-primary);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-xs);
}

.value-item p {
  color: var(--color-gray);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-xl);
  transition: all var(--transition-slow);
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 63, 107, 0.02) 0%, rgba(242, 140, 40, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.stat-item:hover {
  transform: translateY(-8px);
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  border-color: rgba(242, 140, 40, 0.2);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-slow);
  position: relative;
  z-index: 1;
}

.stat-item:hover .stat-number {
  color: var(--color-accent-hover);
  transform: scale(1.1);
}

.stat-label {
  color: var(--color-gray);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

/* Contact Page - Two Column Layout */
.contact-main-section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-white);
  position: relative;
}

.contact-two-column-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.contact-form-column {
  position: relative;
}

.contact-info-column {
  position: sticky;
  top: 100px;
}

.contact-info-wrapper {
  background-color: var(--color-off-white);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(31, 63, 107, 0.06);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slow);
}

.contact-info-wrapper:hover {
  box-shadow: var(--shadow-xl);
  border-color: rgba(31, 63, 107, 0.1);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Contact Stats */
.contact-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-light-gray);
}

.contact-stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.contact-stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(242, 140, 40, 0.3);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  padding: var(--spacing-xl);
  background-color: var(--color-off-white);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  border: 2px solid transparent;
  box-shadow: 0 2px 6px 0 rgba(31, 63, 107, 0.03);
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  transition: width var(--transition-slow);
}

.contact-item:hover {
  background-color: var(--color-white);
  border-color: rgba(242, 140, 40, 0.2);
  box-shadow: var(--shadow-xl);
  transform: translateX(12px);
}

.contact-item:hover::before {
  width: 4px;
}

.contact-item-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  border-radius: var(--radius-xl);
  flex-shrink: 0;
  transition: all var(--transition-slow);
  box-shadow: 0 4px 12px 0 rgba(31, 63, 107, 0.14);
  position: relative;
  z-index: 1;
}

.contact-item:hover .contact-item-icon {
  background-color: var(--color-accent);
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 28px 0 rgba(242, 140, 40, 0.32);
}

.contact-item-icon img {
  width: 24px;
  height: 24px;
  filter: brightness(0) saturate(100%) invert(100%);
}

.contact-item-content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xs);
}

.contact-item-content p {
  color: var(--color-gray);
  margin: 0;
}

.contact-item-content a {
  transition: color var(--transition-fast);
}

.contact-item-content a:hover {
  color: var(--color-primary);
  opacity: 1;
}

/* Form Styles */
.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(31, 63, 107, 0.06);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slow);
}

.contact-form:hover {
  box-shadow: var(--shadow-xl);
  border-color: rgba(31, 63, 107, 0.1);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
  font-size: var(--text-sm);
}

.form-input,
.form-textarea,
select.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid rgba(31, 63, 107, 0.1);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-slow);
  background-color: var(--color-white);
  box-shadow: 0 1px 3px 0 rgba(31, 63, 107, 0.03);
}

.form-input:hover,
.form-textarea:hover,
select.form-input:hover {
  border-color: rgba(31, 63, 107, 0.2);
  box-shadow: 0 2px 8px 0 rgba(31, 63, 107, 0.06);
  transform: translateY(-1px);
}

.form-input:focus,
.form-textarea:focus,
select.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(31, 63, 107, 0.1), 0 4px 12px 0 rgba(31, 63, 107, 0.08);
  transform: translateY(-2px);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* ==========================================
   FOOTER - Compact Corporate Design
   ========================================== */

.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
  border-top: 3px solid var(--color-accent);
  position: relative;
}

/* Subtle top gradient accent */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, 
    var(--color-accent) 0%, 
    var(--color-primary) 50%, 
    var(--color-accent) 100%
  );
}

.footer-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-white);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

/* Footer text with better contrast */
.footer-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin: 0;
}

.footer-credentials {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  padding-left: 0;
  position: relative;
  display: inline-block;
  width: fit-content;
}

.footer-links a::before {
  content: '→';
  position: absolute;
  left: -18px;
  opacity: 0;
  transition: all var(--transition-fast);
  color: var(--color-accent);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 18px;
  transform: translateX(2px);
}

.footer-links a:hover::before {
  opacity: 1;
  left: 0;
}

/* Contact items with better organization */
.footer-contact-item {
  margin-bottom: var(--spacing-md);
}

.footer-contact-item:last-child {
  margin-bottom: 0;
}

.footer-contact-label {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.footer-link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: var(--font-normal);
}

.footer-link:hover {
  color: var(--color-white);
  text-decoration: underline;
}

/* Footer bottom - compact copyright */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-xs);
  margin: 0;
}

/* ==========================================
   SERVICES PAGE - Executive Card Layout
   ========================================== */

/* Core Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  align-items: stretch;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: all var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 0;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  transition: height var(--transition-slow);
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: -100%;
  right: -100%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(242, 140, 40, 0.06) 0%, transparent 70%);
  transition: all var(--transition-smooth);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(242, 140, 40, 0.15);
}

.service-card:hover::before {
  height: 100%;
}

.service-card:hover::after {
  bottom: -50%;
  right: -50%;
}

.service-card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 4px 12px 0 rgba(31, 63, 107, 0.18);
  transition: all var(--transition-slow);
  position: relative;
  z-index: 1;
}

.service-card:hover .service-card-icon {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 8px 28px 0 rgba(31, 63, 107, 0.32);
}

.service-card-icon img {
  width: 40px;
  height: 40px;
  filter: brightness(0) saturate(100%) invert(100%);
}

.service-card-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: #0F172A;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

.service-card-description {
  color: var(--color-dark);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.service-card-features {
  list-style: none;
  padding: 0;
  margin: 0;
  flex-grow: 1;
}

.service-card-features li {
  color: var(--color-gray);
  font-size: var(--text-sm);
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  line-height: 1.6;
}

.service-card-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--font-bold);
}

/* Image Content Split Section */
.image-content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
}

.image-split-visual {
  position: relative;
  overflow: hidden;
}

.image-split-content {
  padding: var(--spacing-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--color-off-white);
}

/* Stats Inline */
.stats-inline {
  display: flex;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-light-gray);
}

.stat-inline-item {
  text-align: center;
}

.stat-inline-number {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-inline-label {
  font-size: var(--text-sm);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-semibold);
}

/* Additional Services Grid */
.additional-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.additional-service-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-light-gray);
  transition: all var(--transition-base);
  text-align: center;
}

.additional-service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.additional-service-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-off-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  transition: all var(--transition-base);
}

.additional-service-card:hover .additional-service-icon {
  background-color: var(--color-primary);
}

.additional-service-icon img {
  width: 28px;
  height: 28px;
  filter: brightness(0) saturate(100%) invert(23%) sepia(56%) saturate(1843%) hue-rotate(201deg) brightness(93%) contrast(96%);
  transition: filter var(--transition-base);
}

.additional-service-card:hover .additional-service-icon img {
  filter: brightness(0) saturate(100%) invert(100%);
}

.additional-service-card h4 {
  color: var(--color-primary);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-sm);
}

.additional-service-card p {
  color: var(--color-gray);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.05);
  }
}

@keyframes rotateAccent {
  0%, 100% {
    transform: rotate(45deg);
  }
  50% {
    transform: rotate(60deg);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* Stagger animation for multiple elements */
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }

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

@media (max-width: 1024px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
    --spacing-3xl: 5rem;
    --spacing-4xl: 6rem;
  }
  
  .about-content,
  .contact-grid,
  .about-story-grid,
  .contact-two-column-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .contact-info-column {
    position: static;
  }

  .about-story-content {
    padding-right: 0;
  }

  .about-story-image {
    min-height: 400px;
    order: -1;
  }

  .mvv-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .hero {
    min-height: 80vh;
    padding: var(--spacing-3xl) 0;
  }

  .hero.hero-home {
    min-height: 70vh;
  }

  .hero.hero-internal {
    min-height: 35vh;
  }

  .hero-grid {
    gap: var(--spacing-2xl);
  }

  .hero-headline {
    font-size: 2.75rem;
  }

  .engineering-illustration {
    max-width: 500px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .premium-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .premium-card-grid[style*="repeat(3"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .additional-services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .image-content-split {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .image-split-visual {
    min-height: 300px;
  }

  .image-split-content {
    padding: var(--spacing-2xl);
  }

  .stats-inline {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
    --text-2xl: 1.35rem;
    --spacing-3xl: 3.5rem;
    --spacing-4xl: 4.5rem;
    --container-padding: var(--spacing-sm);
  }

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

  .about-story-section,
  .mvv-section {
    padding: var(--spacing-2xl) 0;
  }

  .about-story-image {
    min-height: 300px;
  }

  .story-highlights {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .contact-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .contact-main-section {
    padding: var(--spacing-2xl) 0;
  }

  .contact-info-wrapper {
    padding: var(--spacing-xl);
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - 70px);
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-base);
    gap: var(--spacing-md);
    align-items: flex-start;
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
  }

  .hero.hero-home {
    min-height: 60vh;
    padding: var(--spacing-3xl) 0;
  }

  .hero.hero-internal {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-subtext {
    font-size: var(--text-base);
  }
  
  .hero-buttons {
    flex-direction: column;
  }

  .hero-trust-indicators {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  .trust-divider {
    display: none;
  }

  .hero-visual {
    order: -1;
    padding: 0;
  }

  .engineering-illustration {
    max-width: 400px;
  }
  
  .btn {
    width: 100%;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }

  .premium-card-grid {
    grid-template-columns: 1fr;
  }

  .premium-card-grid[style*="repeat(3"] {
    grid-template-columns: 1fr !important;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-section:first-child {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

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

  .service-card {
    padding: var(--spacing-xl);
  }

  .stats-inline {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .image-split-content {
    padding: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  :root {
    --text-5xl: 1.75rem;
    --text-4xl: 1.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 3.5rem;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-xl) 0;
  }

  .hero-headline {
    font-size: 1.75rem;
  }

  .hero-trust-indicators {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .engineering-illustration {
    max-width: 300px;
  }
  
  .navbar {
    min-height: 60px;
  }

  .logo {
    font-size: var(--text-lg);
  }

  .logo-img {
    height: 32px;
  }

  .section-header {
    margin-bottom: var(--spacing-xl);
  }
}

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

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Print styles */
@media print {
  .header,
  .footer,
  .hero-buttons,
  .btn {
    display: none;
  }
}