:root {
  /* Цветовая схема (монохромная) */
  --primary-color: #0056b3;
  --primary-dark: #003d80;
  --primary-light: #2779d2;
  --primary-lightest: #e1f0ff;
  --neutral-dark: #212529;
  --neutral-medium: #6c757d;
  --neutral-light: #adb5bd;
  --neutral-lightest: #f8f9fa;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  
  /* Размеры шрифтов */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  
  /* Семейства шрифтов */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Радиусы скругления */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Искривленные сетки */
  --grid-curve-angle: -4deg;
}

/* Базовые стили */
body {
  font-family: var(--font-body);
  color: var(--neutral-dark);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--neutral-dark);
  line-height: 1.3;
}

p {
  margin-bottom: 1.5rem;
}

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

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

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

/* Кнопки и ссылки */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-medium);
  text-transform: none;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

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

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

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

.btn-lg {
  font-size: var(--font-size-lg);
  padding: 0.875rem 2rem;
}

/* Навигация */
.navbar {
  padding: 1rem 0;
  transition: all var(--transition-medium);
}

.navbar-brand {
  font-weight: 700;
  font-family: var(--font-heading);
}

.navbar-light .navbar-nav .nav-link {
  color: var(--neutral-dark);
  font-family: var(--font-heading);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus {
  color: var(--primary-color);
}

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

.navbar-light .navbar-nav .nav-link:hover::after,
.navbar-light .navbar-nav .nav-link:focus::after {
  width: 60%;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero Section */
#hero {
  position: relative;
  z-index: 1;
  margin-top: 76px;
}

#hero .container {
  position: relative;
  z-index: 2;
}

#hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

#hero p.lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
  margin-bottom: 2.5rem;
}

/* Services Section */
#services {
  position: relative;
  overflow: hidden;
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--primary-lightest) 1px, transparent 1px);
  background-size: 25px 25px;
  opacity: 0.3;
  z-index: 0;
}

.card {
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

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

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

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

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

.card h3 {
  font-weight: 600;
  color: var(--neutral-dark);
  transition: color var(--transition-fast);
}

.card:hover h3 {
  color: var(--primary-color);
}

.card-date {
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
}

/* Stats Section */
.stat-widget {
  border-radius: var(--radius-md);
  transition: transform var(--transition-medium);
}

.stat-widget:hover {
  transform: translateY(-5px);
}

.stat-widget h3 {
  font-weight: 800;
  color: var(--primary-light);
}

/* Vision Section */
#vision {
  position: relative;
}

#vision .image-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.25rem;
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Projects Section */
#projects {
  position: relative;
}

.badge {
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}

/* Contact Section */
#contact {
  position: relative;
}

#contact .card {
  border-radius: var(--radius-lg);
}

.form-control,
.form-select {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-light);
  transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(0, 86, 179, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--neutral-dark);
}

/* Events Calendar Section */
#events .card-footer {
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

/* Careers Section */
#careers .badge {
  font-size: var(--font-size-xs);
}

/* FAQ Section */
#faq .accordion-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-button {
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 1.25rem 1.5rem;
  background-color: white;
}

.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: var(--primary-lightest);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--neutral-light);
}

.accordion-button::after {
  background-size: 1.25rem;
  transition: transform var(--transition-fast);
}

.accordion-body {
  padding: 1.5rem;
}

/* Footer */
footer {
  position: relative;
}

footer h3 {
  font-weight: 600;
}

footer a {
  transition: color var(--transition-fast);
}

footer a:hover {
  color: white !important;
}

/* Social Media Links */
footer a[href^="https://www."] {
  position: relative;
  padding-left: 1.5rem;
}

footer a[href^="https://www.facebook"] {
  position: relative;
}

footer a[href^="https://www.facebook"]::before {
  content: '\f39e';
  font-family: 'Font Awesome 5 Brands';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

footer a[href^="https://www.twitter"]::before {
  content: '\f099';
  font-family: 'Font Awesome 5 Brands';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

footer a[href^="https://www.instagram"]::before {
  content: '\f16d';
  font-family: 'Font Awesome 5 Brands';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

footer a[href^="https://www.linkedin"]::before {
  content: '\f0e1';
  font-family: 'Font Awesome 5 Brands';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

/* Success, Privacy, Terms Pages */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 100px;
}

.privacy-page, 
.terms-page {
  padding-top: 100px;
}

/* Animations and Effects */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Media Queries */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-top: 0.5rem;
  }

  .navbar-light .navbar-nav .nav-link::after {
    display: none;
  }
  
  #hero {
    background-attachment: scroll !important;
  }
}

@media (max-width: 767.98px) {
  .display-3, .display-4 {
    font-size: 2.5rem;
  }
  
  .stat-widget {
    margin-bottom: 1.5rem;
  }
  
  #contact .card {
    margin-top: 2rem;
  }
}

/* Custom AOS Animations */
[data-aos="custom-fade-up"] {
  opacity: 0;
  transform: translateY(30px);
  transition-property: transform, opacity;
}

[data-aos="custom-fade-up"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="card-pop"] {
  transform: scale(0.95);
  opacity: 0;
  transition-property: transform, opacity;
}

[data-aos="card-pop"].aos-animate {
  transform: scale(1);
  opacity: 1;
}

/* Utility Classes */
.text-primary {
  color: var(--primary-color) !important;
}

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

.text-gradient {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.curved-section {
  position: relative;
  transform: skewY(var(--grid-curve-angle));
  margin: 4rem 0;
  padding: 6rem 0;
}

.curved-section > .container {
  transform: skewY(calc(-1 * var(--grid-curve-angle)));
}

/* Font Awesome Override */
.navbar-toggler-icon {
  background-image: none !important;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-dark);
}

.navbar-toggler-icon::before {
  content: '\f0c9';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  font-size: 1.25rem;
}

/* About Page */
.about-hero {
  position: relative;
  padding-top: 180px;
  padding-bottom: 100px;
  background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('./image/about-hero.jpg');
  background-size: cover;
  background-position: center;
  color: white;
}

.team-member {
  text-align: center;
  margin-bottom: 2rem;
}

.team-member img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1.5rem;
  border: 5px solid white;
  box-shadow: var(--shadow-md);
}

.team-member h3 {
  margin-bottom: 0.5rem;
}

.team-member-social {
  margin-top: 1rem;
}

.team-member-social a {
  display: inline-block;
  margin: 0 0.5rem;
  color: var(--neutral-medium);
  transition: color var(--transition-fast);
}

.team-member-social a:hover {
  color: var(--primary-color);
}

/* Contacts Page */
.map-container {
  height: 450px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.navbar-brand img{
  width: 30px;
  height: 30px;
}
.navbar-toggler-icon{
  display: none;
}