:root {
  /* Colors */
  --color-primary: #0a4b75;
  /* Deep blue from original logo/theme */
  --color-primary-light: #166c9f;
  --color-primary-dark: #052c47;
  --color-secondary: #0088cc;
  /* Lighter blue accent */
  --color-accent: #f05a28;
  /* Warm accent for contrast (like thermal analysis) */

  --color-text: #334155;
  --color-text-light: #64748b;
  --color-heading: #0f172a;

  --color-bg: #ffffff;
  --color-bg-light: #f8fafc;
  --color-bg-dark: #0f172a;

  --color-border: #e2e8f0;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 8rem;

  /* Layout */
  --container-width: 1200px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  /* Offset for fixed navbar */
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary);
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.125rem;
}

.divider {
  height: 4px;
  width: 60px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  margin: var(--spacing-md) auto var(--spacing-lg);
  border-radius: 2px;
}

.bg-light {
  background-color: var(--color-bg-light);
}

.bg-dark {
  background-color: var(--color-bg-dark);
  color: white;
}

.bg-dark h2,
.bg-dark h3,
.bg-dark .contact-info p {
  color: white;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  display: block;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  height: 80px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo-main {
  height: 40px;
  transition: transform var(--transition-normal);
}

.logo:hover .logo-main {
  transform: scale(1.05);
}

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

.nav-link {
  color: var(--color-heading);
  font-weight: 500;
  font-family: var(--font-heading);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-normal);
}

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

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

.btn-kontakt {
  background-color: var(--color-primary);
  color: white !important;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
}

.btn-kontakt::after {
  display: none;
}

.btn-kontakt:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #e0f2fe 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(0, 136, 204, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(240, 90, 40, 0.05) 0%, transparent 40%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  z-index: 1;
}

.scroll-indicator a {
  color: var(--color-primary);
  font-size: 1.5rem;
  padding: 10px;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }

  40% {
    transform: translateY(-20px) translateX(-50%);
  }

  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* Highlights */
.highlights {
  background-color: white;
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  position: relative;
  z-index: 2;
  margin-top: -30px;
}

.highlights-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.highlight-item {
  text-align: center;
  flex: 1;
  min-width: 250px;
  padding: var(--spacing-md);
  transition: transform var(--transition-normal);
}

.highlight-item:hover {
  transform: translateY(-5px);
}

.highlight-item i {
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  background: -webkit-linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight-item h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.highlight-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: white;
  border-radius: 12px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-bg-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
  background-color: var(--color-primary);
  color: white;
  transform: rotate(5deg) scale(1.1);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--color-text-light);
}

a.service-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.service-card--link h3 {
  color: var(--color-heading);
}

.card-more {
  display: inline-block;
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-normal);
}

.card-more i {
  margin-left: 4px;
  transition: transform var(--transition-normal);
}

a.service-card--link:hover .card-more i {
  transform: translateX(5px);
}

/* Equipment Showcase */
.equipment-showcase {
  background: white;
  border-radius: 16px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.equipment-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

.equipment-tag {
  background: var(--color-bg-light);
  color: var(--color-primary-dark);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-weight: 500;
  font-family: var(--font-heading);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: default;
}

.equipment-tag:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* Applications */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.app-item {
  display: flex;
  background: white;
  padding: var(--spacing-md);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  align-items: flex-start;
  gap: var(--spacing-md);
}

.app-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-secondary);
}

.app-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(0, 136, 204, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  font-size: 1.25rem;
}

.app-content h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-dark);
}

.app-content p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin: 0;
}

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

.about-text h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

.about-text p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

.team-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.team-member {
  background: var(--color-bg-light);
  padding: var(--spacing-lg);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--color-primary);
}

.member-avatar {
  font-size: 2.5rem;
  color: var(--color-primary-light);
  margin-bottom: var(--spacing-sm);
}

.team-member h4 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.team-member .role {
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.team-member .bio {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-info {
  padding-right: var(--spacing-lg);
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.contact-info>p {
  color: #cbd5e1;
  margin-bottom: var(--spacing-xl);
  font-size: 1.1rem;
}

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

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

.contact-item i {
  font-size: 1.5rem;
  color: var(--color-secondary);
  background: rgba(255, 255, 255, 0.1);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.contact-item div {
  color: #e2e8f0;
}

.contact-item a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.contact-form-container {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  color: var(--color-text);
}

.contact-form h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-heading);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-color: var(--color-bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
  background-color: white;
}

/* Footer */
.footer {
  background-color: #020617;
  color: #94a3b8;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-logo img {
  height: 30px;
  filter: grayscale(100%) brightness(200%);
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: #94a3b8;
}

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

/* Animations Elements */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 {
  transition-delay: 0.2s;
}

.delay-2 {
  transition-delay: 0.4s;
}

/* Responsive Design */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

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

  .menu-toggle {
    display: block;
    z-index: 1001;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background-color: white;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right var(--transition-normal);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
  }

  .nav-link::after {
    display: none;
  }

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

  .lang-switch {
    margin-left: 0;
    margin-top: var(--spacing-md);
  }
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: var(--spacing-md);
  font-family: var(--font-heading);
  font-weight: 500;
}

.lang-switch a {
  color: var(--color-text-light);
  font-size: 0.9rem;
  padding: 0.2rem;
  transition: all var(--transition-fast);
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--color-primary);
  font-weight: 700;
}

.lang-switch .divider-v {
  color: var(--color-border);
  font-size: 0.8rem;
}