:root {
  --primary-color: #2D5C7F;
  --secondary-color: #1D3F5A;
  --accent-color: #4A8CAF;
  --light-color: #E8F1F5;
  --dark-color: #0C1E2E;
  --gradient-primary: linear-gradient(135deg, #2D5C7F 0%, #1D3F5A 100%);
  --hover-color: #245073;
  --background-color: #F5F9FB;
  --text-color: #2C3E50;
  --border-color: rgba(45, 92, 127, 0.15);
  --divider-color: rgba(29, 63, 90, 0.1);
  --shadow-color: rgba(45, 92, 127, 0.12);
  --highlight-color: #F0A55A;
  --main-font: 'Playfair Display', serif;
  --alt-font: 'Open Sans', sans-serif;
}

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

body {
  font-family: var(--alt-font);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--main-font);
  font-weight: 600;
  line-height: 1.3;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background: var(--primary-color);
  color: var(--light-color);
  padding: 1.2rem 0;
  position: relative;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(45, 92, 127, 0.2);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.navigation ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
}

.navigation a {
  color: var(--light-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.navigation a:hover {
  color: var(--highlight-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

.hamburger .line {
  width: 28px;
  height: 3px;
  background-color: var(--light-color);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

#menu-toggle {
  display: none;
}

#menu-toggle:checked ~ .mobile-nav {
  max-height: 400px;
  opacity: 1;
}

.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--primary-color);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  z-index: 1000;
}

.mobile-nav ul {
  padding: 2rem;
  margin: 0;
  list-style: none;
}

.mobile-nav li {
  margin: 1rem 0;
}

.mobile-nav a {
  display: block;
  padding: 1.2rem 1.8rem;
  color: var(--light-color);
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  font-weight: 500;
  border: 2px solid transparent;
}

.mobile-nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateX(5px);
}

.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: white;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 30, 46, 0.65);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 2rem;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

button,
.btn {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 1.2rem 2.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-family: var(--alt-font);
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: 0 3px 10px rgba(45, 92, 127, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

button:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(45, 92, 127, 0.4);
  background: linear-gradient(135deg, #245073 0%, #152D42 100%);
}

section {
  padding: 4rem 0;
}

.pattern-bg {
  background-image: 
    radial-gradient(circle at 15% 25%, rgba(45, 92, 127, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 85% 75%, rgba(74, 140, 175, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(45, 92, 127, 0.04) 0%, transparent 50%);
  background-size: 800px 800px, 900px 900px, 1000px 1000px;
  background-position: 0 0, 100% 100%, 50% 50%;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  transition: all 0.3s ease;
  border: 2px solid var(--border-color);
  position: relative;
  overflow: hidden;
  background: white;
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 3px 10px var(--shadow-color);
  text-align: center;
}

.feature-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 28px rgba(45, 92, 127, 0.28);
  border-color: var(--accent-color);
}

.feature-icon {
  font-size: 3rem;
  margin: 0 auto 1.5rem auto;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #E8F1F5 0%, #C8DEE8 100%);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: rotate(360deg) scale(1.15);
  background: var(--gradient-primary);
  color: white;
  border-color: var(--accent-color);
}

.testimonial {
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  background: white;
  padding: 2.5rem;
  margin: 1.5rem 0;
  border-radius: 8px;
  box-shadow: 0 2px 10px var(--shadow-color);
}

.testimonial::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--gradient-primary);
  border-radius: 0 8px 8px 0;
}

.testimonial:hover {
  transform: translateX(-6px);
  box-shadow: 0 6px 22px rgba(45, 92, 127, 0.24);
}

.faq-item {
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  background: white;
  padding: 2.5rem;
  margin: 1.5rem 0;
  border-radius: 12px;
  box-shadow: 0 3px 12px var(--shadow-color);
}

.faq-item:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(45, 92, 127, 0.22);
  border-color: var(--accent-color);
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

input,
textarea {
  width: 100%;
  transition: all 0.3s ease;
  font-family: var(--alt-font);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1.2rem;
  background-color: white;
  color: var(--text-color);
  font-size: 1rem;
  margin-bottom: 1rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(45, 92, 127, 0.1);
  transform: translateY(-2px);
}

input:hover,
textarea:hover {
  border-color: var(--secondary-color);
  box-shadow: 0 2px 8px var(--shadow-color);
}

footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 2rem 0 1rem;
}

footer .container > div:first-child {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  flex-wrap: wrap;
}

footer nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex-wrap: wrap;
}

footer a {
  color: var(--light-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--highlight-color);
}

footer img[alt="logo"] {
  filter: brightness(0) invert(1);
}

.info-banner {
  background: linear-gradient(135deg, #E8F1F5 0%, #C8DEE8 100%);
  color: var(--text-color);
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  border-top: 3px solid var(--primary-color);
  border-bottom: 3px solid var(--primary-color);
}

.info-banner h2 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.info-banner p {
  color: var(--text-color);
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.image-text-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 3rem 0;
}

.image-text-section img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 15px var(--shadow-color);
}

#contact {
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  #contact > div {
    width: 80%;
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  #contact > div {
    width: 100%;
  }
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.contact-info p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .navigation {
    display: none;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .image-text-section {
    grid-template-columns: 1fr;
  }
  
  footer .container > div:first-child {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  
  footer nav ul {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .container {
    padding: 0 1rem;
  }
}