:root {
  /* Основная цветовая схема - аналоговая */
  --primary: #1a3668;
  --primary-dark: #112442;
  --primary-light: #2a4b8e;
  --secondary: #1e4d8c;
  --secondary-dark: #143563;
  --secondary-light: #3a6eb3;
  --accent: #3a76c4;
  --accent-dark: #2a5b99;
  --accent-light: #5a8ed3;
  
  /* Нейтральные цвета */
  --white: #ffffff;
  --light: #f8f9fa;
  --light-gray: #e9ecef;
  --medium-gray: #adb5bd;
  --dark-gray: #495057;
  --black: #212529;
  
  /* Функциональные цвета */
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  
  /* Типографика */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  
  /* Тени */
  --shadow-sm: 0 .125rem .25rem rgba(0,0,0,.075);
  --shadow: 0 .5rem 1rem rgba(0,0,0,.15);
  --shadow-lg: 0 1rem 3rem rgba(0,0,0,.175);
  
  /* Радиусы границ */
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-sm: 0.25rem;
  
  /* Переходы */
  --transition-speed: 0.3s;
  --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: all var(--transition-speed) var(--transition-bounce);
}

a:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

p {
  margin-bottom: 1.5rem;
}

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

section {
  position: relative;
  padding: 4rem 0;
}

/* Header & Navigation */
header {
  transition: all 0.3s ease-in-out;
}

header.scrolled {
  box-shadow: var(--shadow);
  background-color: var(--primary);
}

.navbar-brand h1 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0;
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--white);
  font-weight: 600;
  padding: 0.5rem 1rem;
  position: relative;
}

.navbar-dark .navbar-nav .nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scale(0);
  width: 0;
  height: 2px;
  background-color: var(--accent-light);
  transition: all 0.3s var(--transition-bounce);
}

.navbar-dark .navbar-nav .nav-link:hover:after,
.navbar-dark .navbar-nav .nav-link:focus:after {
  width: 80%;
  transform: translateX(-50%) scale(1);
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--accent-light);
}

/* Button Styles */
.btn {
  display: inline-block;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-align: center;
  vertical-align: middle;
  transition: all 0.3s var(--transition-bounce);
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn:active {
  transform: translateY(1px);
}

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

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

.btn-outline-light {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}

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

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

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

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-top: 0;
  padding-top: 0;
  background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../image/hero-autoservis.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
}

.hero-section h1, 
.hero-section p {
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-section .btn {
  margin-top: 1rem;
}

/* Features Section */
#sluzby {
  background-color: var(--white);
}

#sluzby .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

#sluzby .card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

#sluzby .card-image {
  position: relative;
  overflow: hidden;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sluzby .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

#sluzby .card:hover .card-image img {
  transform: scale(1.05);
}

#sluzby .card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

#sluzby h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

#sluzby .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Case Studies Section */
#pripadove-studie {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

#pripadove-studie::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background-color: var(--accent);
  opacity: 0.1;
  border-radius: 50%;
  z-index: 0;
}

#pripadove-studie .card {
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#pripadove-studie .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

#pripadove-studie .card-image {
  position: relative;
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#pripadove-studie .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

#pripadove-studie .card:hover .card-image img {
  transform: scale(1.05);
}

#pripadove-studie .card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

#pripadove-studie .progress {
  height: 10px;
  border-radius: var(--border-radius-sm);
  background-color: var(--light-gray);
}

#pripadove-studie .progress-bar {
  background-color: var(--accent);
  border-radius: var(--border-radius-sm);
}

/* Media Section */
#media {
  background-color: var(--white);
}

#media .card {
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#media .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

#media .card-image {
  position: relative;
  overflow: hidden;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#media .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

#media .card:hover .card-image img {
  transform: scale(1.05);
}

#media .card-content {
  padding: 1rem;
  flex-grow: 1;
}

/* Utility Links */
#uzitecne-odkazy {
  background-color: var(--light);
}

#uzitecne-odkazy .card {
  height: 100%;
  display: flex;
  flex-direction: column;
  border: none;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

#uzitecne-odkazy .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

#uzitecne-odkazy .card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

#uzitecne-odkazy .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Sustainability Section */
#udrzitelnost {
  background-color: var(--white);
  position: relative;
  overflow: hidden;
}

#udrzitelnost img {
  border-radius: var(--border-radius);
}

#udrzitelnost .bg-primary {
  background-color: var(--primary) !important;
}

#udrzitelnost h3 {
  color: var(--primary);
}

/* Contact Section */
#kontakt {
  background-color: var(--light);
}

#kontakt .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
}

#kontakt iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

#kontakt form .form-control {
  padding: 0.75rem 1rem;
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
}

#kontakt form .form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(58, 118, 196, 0.25);
}

#kontakt form .form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

#kontakt .bg-primary {
  background-color: var(--primary) !important;
}

#kontakt .card-image {
  height: 300px;
}

/* Footer */
footer {
  background-color: var(--black);
  color: var(--white);
}

footer h3, footer h4 {
  color: var(--white);
}

footer a {
  color: var(--white);
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--accent-light);
  text-decoration: none;
}

footer hr {
  background-color: rgba(255,255,255,0.2);
}

/* Modal */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
}

.modal-header {
  background-color: var(--primary);
  color: var(--white);
  border-bottom: none;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-title {
  color: var(--white);
}

.modal-footer {
  border-top: none;
}

/* Additional pages */
.privacy-page, .terms-page {
  padding-top: 100px;
}

.privacy-page h1, .terms-page h1 {
  margin-bottom: 2rem;
}

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Animation utilities */
.fade-in {
  animation: fadeIn 0.8s var(--transition-bounce) forwards;
}

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

/* Responsive adjustments */
@media (max-width: 991.98px) {
  .hero-section {
    height: auto;
    padding: 8rem 0;
  }
  
  .navbar-collapse {
    background-color: var(--primary-dark);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
  }
  
  section {
    padding: 3rem 0;
  }
  
  h1.display-2 {
    font-size: 2.5rem;
  }
  
  h2.display-4 {
    font-size: 2rem;
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 2rem 0;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
  }
  
  #sluzby .card-image,
  #pripadove-studie .card-image,
  #media .card-image {
    height: 200px;
  }
}

@media (max-width: 575.98px) {
  .hero-section {
    padding: 6rem 0;
  }
  
  h1.display-2 {
    font-size: 2rem;
  }
  
  p.lead {
    font-size: 1rem;
  }
  
  #sluzby .card-image,
  #pripadove-studie .card-image,
  #media .card-image {
    height: 180px;
  }
}

/* Print styles */
@media print {
  header, footer, #kontakt form, .btn {
    display: none;
  }
  
  body {
    font-size: 12pt;
  }
  
  a {
    text-decoration: none;
    color: var(--black);
  }
}

/* Animations for AOS compatibility */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

[data-aos][data-aos][data-aos-duration="400"], body[data-aos-duration="400"] [data-aos] {
  transition-duration: 0.4s;
}

[data-aos][data-aos][data-aos-easing="ease-in-out"], body[data-aos-easing="ease-in-out"] [data-aos] {
  transition-timing-function: ease-in-out;
}

html,body{
  overflow-x: hidden;
}