:root {
  /* Colors */
  --color-primary: #1e6ba3;
  --color-primary-light: #2680c0;
  --color-primary-dark: #15527e;
  --color-secondary: #e65100;
  --color-secondary-light: #ff833a;
  --color-secondary-dark: #ac4200;
  --color-accent: #4caf50;
  --color-accent-light: #80e27e;
  --color-accent-dark: #087f23;
  
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  /* Typography */
  --font-family-base: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border radius */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 5px 10px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container */
  --container-padding: 1rem;
  --container-width: 1200px;
}

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

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

body {
  font-family: var(--font-family-base);
  line-height: 1.5;
  color: var(--color-gray-900);
  background-color: var(--color-gray-100);
}

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

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-primary);
}

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

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

/* Header and Navigation */
header {
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color var(--transition);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
}

.logo a {
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--color-primary);
}

.main-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.main-menu li a {
  font-weight: 500;
  color: var(--color-gray-800);
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
}

.main-menu li a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.main-menu li a:hover::after,
.main-menu li a.active::after {
  width: 100%;
}

.main-menu li a.active {
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
}

.mobile-menu-toggle span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--color-gray-800);
  border-radius: 3px;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-toggle span:nth-child(1) {
  top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
  top: 10px;
}

.mobile-menu-toggle span:nth-child(3) {
  top: 20px;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  padding: var(--spacing-md);
  z-index: 999;
  transform: translateY(-100%);
  transition: transform var(--transition);
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-menu li a {
  display: block;
  padding: var(--spacing-md);
  font-weight: 500;
  color: var(--color-gray-800);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu li a.active {
  color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-white);
}

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

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

/* Hero Section */
.hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(rgba(30, 107, 163, 0.9), rgba(30, 107, 163, 0.9)), url('/images/Tepih-servis-novi-sad.webp');
  background-size: cover;
  background-position: center;
}

.hero-container {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  /* background: rgba(255,255,255,0.10); */
  /* box-shadow: 0 8px 32px rgba(30,107,163,0.15); */
  border-radius: 1.5rem;
  padding: 3rem 2.5rem 2.5rem 2.5rem;
  /* max-width: 540px; */
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-card h1 {
  color: #fff;
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
}

.hero-card p {
  color: #e3eaf2;
  margin-bottom: 2rem;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.hero-actions .promo-badge {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-radius: 50%;
  width: 100px;
  height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  transform: rotate(10deg);
  box-shadow: var(--shadow);
  font-size: 1.1rem;
  margin-left: 1.5rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: rotate(10deg) scale(1);
  }
  50% {
    transform: rotate(10deg) scale(1.05);
  }
  100% {
    transform: rotate(10deg) scale(1);
  }
}

/* Page Header */
.page-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--spacing-sm);
}

.breadcrumbs {
  font-size: 0.9rem;
}

.breadcrumbs a {
  color: var(--color-white);
  opacity: 0.8;
}

.breadcrumbs a:hover {
  opacity: 1;
}

/* CTA Section */
.cta {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

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

.cta p {
  margin-bottom: var(--spacing-lg);
}

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

/* Testimonials */
.testimonials {
  background-color: var(--color-gray-100);
}

.testimonials-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  text-align: center;
  display: none;
}

.testimonial.active {
  display: block;
}

.testimonial-content {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

.testimonial-author {
  font-weight: 600;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-lg);
}

.testimonial-controls button {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
}

.dots {
  display: flex;
  gap: var(--spacing-sm);
  margin: 0 var(--spacing-md);
}

.dot {
  width: 12px;
  height: 12px;
  background-color: var(--color-gray-300);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dot.active {
  background-color: var(--color-primary);
}

/* Footer */
footer {
  background-color: var(--color-gray-800);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-logo span {
  color: var(--color-primary-light);
}

.footer-info p {
  color: var(--color-gray-400);
}

.footer-links h4,
.footer-contact h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

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

.footer-contact ul li {
  display: flex;
  align-items: center;
  color: var(--color-gray-400);
}

.footer-contact .icon {
  margin-right: var(--spacing-sm);
}

.footer-contact a {
  color: var(--color-gray-400);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-700);
}

.footer-bottom p {
  color: var(--color-gray-500);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  animation: call-pulse 1.5s infinite;
}

@keyframes call-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(30, 107, 163, 0.7);
    transform: scale(1);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(30, 107, 163, 0);
    transform: scale(1.08);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(30, 107, 163, 0);
    transform: scale(1);
  }
}

.back-to-top .call-icon {
  display: block;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top .call-text {
  display: none;
}

@media (max-width: 768px) {
  .back-to-top {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 60px;
    border-radius: 0;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    animation: none;
  }
  .back-to-top .call-text {
    display: inline;
  }
}

/* Accordion */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-toggle {
  width: 100%;
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border: none;
  text-align: left;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.accordion-toggle:hover {
  background-color: var(--color-gray-100);
}

.accordion-toggle .icon {
  font-size: 1.5rem;
  transition: transform var(--transition-fast);
}

.accordion-toggle.active .icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  background-color: var(--color-white);
  transition: max-height var(--transition), padding var(--transition);
}

.accordion-content.active {
  padding: var(--spacing-lg);
  max-height: 500px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .promo-badge {
    width: 80px;
    height: 80px;
  }
  
  .promo-text {
    font-size: 0.8rem;
  }
  
  .promo-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.35rem;
  }
  
  .main-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .hero-container {
    min-height: 60vh;
    padding: 0 0.5rem;
  }
  .hero-card {
    padding: 2rem 1rem 1.5rem 1rem;
    /* max-width: 100%; */
  }
  .hero-card h1 {
    font-size: 1.5rem;
  }
  .hero-actions {
    flex-direction: column;
    gap: 0.75rem;
  }
  .hero-actions .promo-badge {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 70px;
    height: 70px;
    font-size: 0.95rem;
  }
}

@media (max-width: 576px) {
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .testimonial {
    padding: var(--spacing-lg);
  }
  
  .testimonial-content {
    font-size: 1rem;
  }
}

.top-header {
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 0.97rem;
  padding: 0.3rem 0;
}
.top-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-header-left, .top-header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.top-header-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: #fff;
}
.top-header a {
  color: #fff;
  text-decoration: none;
  transition: color 0.2s;
}
.top-header a:hover {
  color: var(--color-secondary-light);
}
@media (max-width: 768px) {
  .top-header {
    display: none;
  }
  .top-header-content {
    flex-direction: column;
    gap: 0.2rem;
    align-items: flex-start;
  }
  .top-header-left, .top-header-right {
    gap: 1rem;
    font-size: 0.95rem;
  }
}

.contact-buttons .icon svg {
  vertical-align: middle;
  margin-right: 0.4em;
  display: inline-block;
  margin-top: -5px;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.8rem;
  transition: opacity 0.2s;
}

.social-icon:hover {
  opacity: 0.8;
}

.top-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-links {
  display: flex;
  margin-top: 0.8rem;
}

.social-links .social-icon {
  margin-right: 1rem;
}