/* styles/main.css */

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

body {
  font-family: 'Open Sans', sans-serif;
  line-height: 1.7;
  color: #1F2937;
  background-color: #F0F8FF; /* Светло-синий фон */
  overflow-x: hidden;
}

/* Анимация */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}

/* Шапка */
header {
  background-color: #1E3A8A; /* Тёмно-синий */
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #3B82F6;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 a {
  color: #F0F8FF; /* Противоположный фону */
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
}

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

nav a {
  color: #F0F8FF;
  text-decoration: none;
  font-family: 'Open Sans', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s;
}

nav a:hover {
  color: #BFDBFE; /* Светло-синий */
}

/* Основной контент */
main {
  max-width: 1400px;
  margin: 3rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr; /* Две колонки */
  gap: 4rem;
}

main section {
  background-color: #fff;
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.1);
  border: 1px solid #BFDBFE;
}

/* Заголовки */
h1, h2 {
  font-family: 'Inter', sans-serif;
  color: #1E3A8A; /* Тёмно-синий */
  margin-bottom: 1.2rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.9rem;
}

/* Параграфы */
p {
  margin-bottom: 1.2rem;
  color: #4B5563;
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  background-color: #3B82F6; /* Ярко-синий */
  color: #F0F8FF;
  text-decoration: none;
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.3s;
  margin-top: 1rem;
}

.btn:hover {
  background-color: #2563EB; /* Темнее */
}

.btn-outline {
  background-color: transparent;
  border: 2px solid #3B82F6;
  color: #3B82F6;
}

.btn-outline:hover {
  background-color: #3B82F6;
  color: #F0F8FF;
}

/* Форма */
form {
  background-color: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.1);
  max-width: 100%;
  margin: 2rem 0;
}

form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #1F2937;
}

form input,
form textarea {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1.2rem;
  border: 1px solid #BFDBFE;
  border-radius: 4px;
  font-family: 'Open Sans', sans-serif;
}

form button {
  width: 100%;
  max-width: 250px;
}

/* Контактная информация */
.contact-info {
  text-align: left;
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: #F9FAFB;
  border-radius: 4px;
  border-left: 3px solid #3B82F6;
}

/* Подвал */
footer {
  background-color: #1F2937;
  color: #BFDBFE;
  padding: 3rem 2rem 1.5rem;
  margin-top: 4rem;
  text-align: center;
  border-top: 1px solid #3B82F6;
}

footer nav {
  margin-bottom: 1.5rem;
}

footer a {
  color: #BFDBFE;
  text-decoration: none;
  margin: 0 1rem;
  font-size: 0.95rem;
  transition: color 0.3s;
}

footer a:hover {
  color: #3B82F6;
}

footer p {
  font-size: 0.9rem;
  color: #9CA3AF;
}

/* Адаптивность */
@media (max-width: 900px) {
  main {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1rem;
  }

  header {
    padding: 1rem;
  }

  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  form {
    padding: 1.5rem;
  }
}