:root {
  --color-primary: #183ebd;
  --color-secondary: #234181;
  --color-bg-light: #F3F4F6;
  --color-bg-card: #E5E7EB;
  --color-text-dark: #141422;
  --color-white: #ffffff;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-xxl: 2.5rem;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: 'Inter', 'Poppins', sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

header {
  background: var(--color-white);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1000;
}

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

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.3125rem;
}

.logo img {
  width: 2.5rem;
  height: auto;
  border-radius: 3px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-md);
  align-items: center;
}

nav a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-dark);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

nav a:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.burger-menu {
  display: none;
  flex-direction: column;
  gap: 0.3125rem;
  cursor: pointer;
  padding: var(--space-xs);
}

.burger-menu span {
  display: block;
  width: 1.5rem;
  height: 0.125rem;
  background-color: var(--color-text-dark);
  transition: var(--transition-base);
}

.burger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(0.3125rem, 0.3125rem);
}

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

.burger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(0.375rem, -0.375rem);
}

.hero {
  position: relative;
  padding: calc(var(--space-xxl) * 1.5) 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #ffffff 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(24, 62, 189, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(35, 65, 129, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -30px) scale(1.1);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  animation: fadeInUp 0.8s ease-out;
}

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

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-text p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-dark);
  margin-bottom: var(--space-lg);
  opacity: 0.85;
  line-height: 1.7;
  max-width: 90%;
}

.hero-text .btn {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(24, 62, 189, 0.15), 0 0 0 1px rgba(24, 62, 189, 0.05);
  aspect-ratio: 1;
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform var(--transition-slow);
  animation: fadeInRight 0.8s ease-out 0.3s both;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateX(50px);
  }
  to {
    opacity: 1;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateX(0);
  }
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(24, 62, 189, 0.05) 0%, rgba(35, 65, 129, 0.1) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-image:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
  box-shadow: 0 25px 80px rgba(24, 62, 189, 0.2), 0 0 0 1px rgba(24, 62, 189, 0.1);
}

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

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

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  transform: translateY(-0.125rem);
  box-shadow: 0 10px 25px rgba(24, 62, 189, 0.3);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-md);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: var(--font-size-md);
  color: var(--color-text-dark);
  opacity: 0.8;
  max-width: 50rem;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-0.25rem);
}

.card-icon {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
}

.card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-dark);
  opacity: 0.8;
  line-height: 1.6;
}

.image-text-section {
  background: var(--color-white);
  padding: var(--space-xl) 0;
}

.image-text-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.image-text-content.reverse {
  direction: rtl;
}

.image-text-content.reverse > * {
  direction: ltr;
}

.text-content h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.text-content p {
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  opacity: 0.9;
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.image-content {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.image-content img {
  width: 100%;
  height: auto;
}

.image-overlay-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: var(--color-white);
  padding: var(--space-lg);
  font-size: var(--font-size-md);
  font-weight: 600;
}

.contact-section {
  background: var(--color-white);
  padding: var(--space-xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.contact-info p {
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.contact-info i {
  color: var(--color-primary);
  font-size: var(--font-size-md);
}

.map-container {
  margin-top: var(--space-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 18.75rem;
  border: none;
}

.contact-form {
  background: var(--color-bg-light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm);
  font-size: var(--font-size-base);
  border: 0.0625rem solid var(--color-bg-card);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text-dark);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.1875rem rgba(24, 62, 189, 0.1);
}

.form-group textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: var(--font-size-sm);
  font-weight: 400;
  margin-bottom: 0;
}

.checkbox-group a {
  color: var(--color-primary);
  text-decoration: underline;
}

footer {
  background: var(--color-text-dark);
  color: var(--color-white);
  padding: var(--space-lg) 0 var(--space-sm) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-md);
}

.footer-info h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.footer-info p {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  margin-bottom: var(--space-xs);
}

.footer-links h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-sm);
  border-top: 0.0625rem solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-xs);
  opacity: 0.7;
}

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  max-width: 37.5rem;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-dark);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.25rem;
  line-height: 1;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-primary);
}

.modal-content h2 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.modal-content h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text-dark);
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.modal-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.thank-you-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
}

.thank-you-content {
  max-width: 37.5rem;
}

.thank-you-content i {
  font-size: 4rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.thank-you-content h1 {
  font-size: var(--font-size-xxl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.thank-you-content p {
  font-size: var(--font-size-md);
  color: var(--color-text-dark);
  margin-bottom: var(--space-lg);
}

.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
}

.error-content h1 {
  font-size: 6rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.error-content h2 {
  font-size: var(--font-size-xl);
  color: var(--color-text-dark);
  margin-bottom: var(--space-md);
}

.error-content p {
  font-size: var(--font-size-md);
  color: var(--color-text-dark);
  margin-bottom: var(--space-lg);
}

@media (max-width: 62rem) {
  .hero {
    padding: var(--space-xl) 0;
  }

  .hero::before,
  .hero::after {
    display: none;
  }

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

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

  .hero-text p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-image {
    transform: none;
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-image:hover {
    transform: scale(1.02);
  }

  .image-text-content,
  .contact-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }

  .image-text-content.reverse {
    direction: ltr;
  }

  .cards {
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  }
}

@media (max-width:905px) {
  :root {
    --font-size-xxl: 2rem;
    --font-size-xl: 1.5rem;
    --font-size-lg: 1.25rem;
    --space-xl: 2.5rem;
    --space-xxl: 3rem;
  }

  .burger-menu {
    display: flex;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-base);
  }

  nav.active {
    max-height: 31.25rem;
    padding: var(--space-md);
  }

  nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  nav a {
    display: block;
    padding: var(--space-sm);
  }

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

@media (max-width: 30rem) {
  .logo{
    font-size: 1rem;
  }
  :root {
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .hero {
    padding: var(--space-lg) 0;
  }

  .hero-text h1 {
    font-size: 1.45rem;
    margin-bottom: var(--space-sm);
  }

  .hero-text p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
  }

  .hero-image {
    max-width: 100%;
  }

  .modal-content {
    padding: var(--space-md);
  }

  .error-content h1 {
    font-size: 4rem;
  }
}