:root {
  --primary-font: 'Roboto', sans-serif;
  --line-height: 1.6;
  --bg-color: #e3f9ff;
  --container-width: 1200px;
  --container-padding: 0 20px;
  --primary-gradient: linear-gradient(135deg, #0096d1, #003c5a);
  --secondary-gradient: linear-gradient(135deg, #00c8f8, #80d6ff);
  --border-color: #68a9c1;
  --text-color: #102a43;
  --link-color: #0077b3;
  --nav-link-color: #005a8d;
  --section-text-color: #2b4f60;
  --button-bg: #006494;
  --button-text: #ffffff;
  --box-shadow: rgba(0, 0, 0, 0.2) 0px 4px 10px;
  --hover-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
  --form-bg: #ffffff;
  --input-border: #aad8e6;
  --input-focus: #3b8dbf;
  --submit-bg: #3b8dbf;
  --submit-hover: #2a6d99;
  --valid-border: #5fb361;
  --invalid-border: #e63946;
}



/* Base styles */
body {
  margin: 0;
  font-family: var(--primary-font);
  line-height: 1.6;
  background-color: var(--bg-color);
}

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

/* Header styles */
header {
  background: var(--primary-gradient);
  border-bottom: var(--border-color) solid 2px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  color: #fff;
}

.logo {
  font-size: 1.5rem;
  font-weight: 500;
}

a .logo {
  color: #ddd;
  text-decoration: none;
}

a {
  text-decoration: none;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li {
  margin-left: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #f0f0f0;
}

/* Main content */
main {
  padding: 2rem 0;
}

section {
  position: relative;
  background: var(--secondary-gradient);
  padding: 15px;
  border-radius: 15px;
  margin: 15px 0;
  color: #313131;
  transition: transform 0.5s, box-shadow 0.3s;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

section:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

section button {
  background: #333;
  color: white;
  border-radius: 7px;
  margin: 5px 0;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card h3 {
  color: #2a4358;
  margin-bottom: 1rem;
}

.feature-card p {
  color: #666;
}

/* Contact form */
.contact {
  background: var(--secondary-gradient);
  color: #3d3d3d;
}

.contact-form {
  max-width: 100%;
  margin: 2rem auto;
  padding: 2rem;
  background: #ffffff;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
  font-size: 2rem;
  color: #333;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group {
  margin-bottom: 1.5rem;
  width: 100%;
  display: inline-block;
  vertical-align: top;
  margin-right: 1rem;
}

.form-group.full-width {
  width: 100%;
  margin-right: 0;
}

.form-group input,
.form-group textarea {
  width: 90%;
  padding: 0.8rem 1rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 5px rgba(74, 144, 226, 0.3);
}

button {
  background: #72d0d5;
  color: white;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button[type="submit"] {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--input-focus);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background 0.3s ease;
}

button[type="submit"]:hover {
  background: #357abd;
}

a.read-more {
  text-decoration: none;
  background: #ffffff;
  color: rgb(41, 41, 41);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* Footer */
footer {
  background: var(--primary-gradient);
  border-top: #e6a6c6 solid 2px;
  color: white;
  padding: 2rem 0;
  margin-top: 3rem;
}

footer ul {
  list-style: none;
  padding: 0;
}

footer a {
  color: white;
  text-decoration: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

/* Form validation states */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: #dc3545;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: #28a745;
}

/* Responsive styles */
.burger-menu {
  display: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.info-page {
  position: relative;
  padding: 15px;
  border-radius: 15px;
  margin: 15px 0;
  color: #313131;
  transition: transform 0.5s, box-shadow 0.3s;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

@media (max-width: 979px) {
  .burger-menu {
    display: block;
  }

  nav {
    position: relative;
  }

  .nav-links {
    display: none;
    width: 100%;
  }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    color: #333;
    background: linear-gradient(135deg, #ffcdde, #c86fa5);
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  .nav-links li {
    margin: 0.5rem 0;
  }

  .nav-links li a {
    color: #333;
  }

  .form-group {
    width: 100%;
    margin-right: 0;
  }

  .contact-form {
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  .contact-form {
    grid-template-columns: 1fr;
  }
}