:root {
  --primary-blue: #2a4b9b;
  --primary-green: #8cc63f;
  --dark-blue: #1a3366;
  --light-green: #a3d55d;
  --white: #ffffff;
  --light-gray: #f5f5f5;
  --dark-gray: #333333;
  --medium-gray: #666666;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}

html {
  overflow-x: hidden;
  width: 100%;
}

body {
  overflow-x: hidden;
  width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER STYLES ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: all 0.3s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.site-header .container {
  padding: 0 20px;
}

.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: height 0.3s ease;
}

.site-header.is-scrolled .site-header__inner {
  height: 70px;
}

.site-header__logo {
  display: block;
  line-height: 0;
}

.site-header__logo img {
  height: 60px;
  width: auto;
  transition: height 0.3s ease;
}

.site-header.is-scrolled .site-header__logo img {
  height: 50px;
}

.site-header__nav {
  display: flex;
  gap: 35px;
  align-items: center;
}

.site-header__link {
  color: var(--dark-gray);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 5px 0;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

.site-header__link:hover {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.site-header__toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--dark-gray);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.site-header__toggle.is-open span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.site-header__toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.site-header__toggle.is-open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile */
@media (max-width: 768px) {
  body.nav-open {
    overflow: hidden;
  }

  .site-header__inner {
    height: 70px;
  }

  .site-header.is-scrolled .site-header__inner {
    height: 65px;
  }

  .site-header__logo img {
    height: 50px;
  }

  .site-header.is-scrolled .site-header__logo img {
    height: 45px;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 30px 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .site-header__nav.is-open {
    transform: translateX(0);
  }

  .site-header__link {
    width: 100%;
    padding: 18px 30px;
    font-size: 17px;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  }

  .site-header__link:hover {
    background: rgba(42, 75, 155, 0.05);
    color: var(--primary-blue);
  }
}

/* Remove old header styles if any */
.header,
.header-wrapper,
.header-nav,
.nav-link,
.menu-toggle,
.toggle-bar,
.logo,
.logo-img {
  all: unset;
  display: none;
}

/* Hero Section */
.hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1497366811353-6870744d04b2?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  margin-top: 80px;
  position: relative;
  padding: 40px 0;
}

.hero-content {
  max-width: 800px;
  width: 100%;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 20px;
  font-weight: 400;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  text-align: center;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
  border: none;
}

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

.btn-secondary {
  background-color: var(--white);
  color: var(--primary-blue);
  border: none;
}

.btn-secondary:hover {
  background-color: #f5f5f5;
}

/* Services Section */
.services {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--dark-gray);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--medium-gray);
  max-width: 700px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.service-card {
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  position: relative;
  padding: 30px 25px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-icon {
  height: 80px;
  width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: 50%;
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
}

.service-content {
  margin-top: 40px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--dark-gray);
  text-align: center;
}

.service-content p {
  color: var(--medium-gray);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-content .btn {
  align-self: flex-start;
  margin-top: auto;
  background-color: var(--primary-green);
  padding: 10px 20px;
  font-size: 0.9rem;
  color: var(--white);
}

.service-content .btn:hover {
  background-color: var(--light-green);
}

/* Specialization Section */
.specialization {
  padding: 80px 0;
  background-color: var(--white);
}

.specialization-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.specialization-text {
  flex: 1;
}

.specialization-text h2 {
  font-size: 2.5rem;
  color: var(--dark-gray);
  margin-bottom: 20px;
}

.specialization-text p {
  color: var(--medium-gray);
  line-height: 1.6;
  margin-bottom: 20px;
}

.specialization-list {
  margin-top: 30px;
}

.specialization-item {
  margin-bottom: 30px;
}

.specialization-item-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary-blue);
}

.specialization-item-text {
  color: var(--medium-gray);
  line-height: 1.5;
}

.specialization-image {
  flex: 1;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.specialization-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.contact-container {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}

.contact-info {
  flex: 1;
}

.contact-info h3 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--dark-gray);
  font-weight: 600;
}

.contact-info p {
  color: var(--medium-gray);
  line-height: 1.6;
  margin-bottom: 30px;
  font-size: 1rem;
}

.contact-details {
  margin-top: 30px;
}

.contact-item {
  margin-bottom: 20px;
  font-size: 1rem;
  color: var(--medium-gray);
}

.contact-text {
  line-height: 1.5;
}

.contact-form {
  flex: 1;
  background-color: var(--white);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--dark-gray);
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--dark-gray);
  font-weight: 500;
  font-size: 1rem;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  background-color: var(--primary-blue);
  color: var(--white);
  border: none;
  padding: 15px 30px;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  width: 100%;
  max-width: 250px;
}

.form-submit:hover {
  background-color: var(--dark-blue);
}

/* Footer */
footer {
  background-color: var(--dark-blue);
  color: var(--white);
  padding: 60px 0 30px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  height: 60px;
  filter: brightness(0) invert(1);
}

.footer-about p {
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-links h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-links h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-green);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: #ccc;
}

.developer-credit {
  text-align: center;
  font-size: 0.75rem;
  color: #999;
  padding: 15px 0;
  background: #f8f8f8;
  opacity: 0.8;
}

.developer-credit a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s ease;
}

.developer-credit a:hover {
  color: var(--primary-blue);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero {
    margin-top: 90px;
    min-height: 80vh;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .specialization-content {
    flex-direction: column;
  }
  
  .contact-container {
    flex-direction: column;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 70vh;
    margin-top: 70px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  
  .service-card {
    margin-top: 40px;
  }
  
  .container {
    padding: 0 15px;
  }
}

@media (max-width: 576px) {
  .logo {
    height: 45px;
  }
  
  .hero {
    min-height: 60vh;
  }
  
  .hero h1 {
    font-size: 1.6rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero p {
    font-size: 0.95rem;
  }
  
  .btn {
    padding: 12px 20px;
    font-size: 0.95rem;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
  
  .section-title p {
    font-size: 1rem;
  }
  
  .service-content h3 {
    font-size: 1.3rem;
  }
  
  .specialization-text h2 {
    font-size: 2rem;
  }
  
  .specialization-item-title {
    font-size: 1.1rem;
  }
  
  .contact-info h3,
  .contact-form h3 {
    font-size: 1.8rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}