/* Основные стили для сайта "Латинский язык для ветеринаров" */

:root {
  --primary-color: #3a5a40;
  --secondary-color: #588157;
  --accent-color: #a3b18a;
  --light-color: #dad7cd;
  --dark-color: #344e41;
  --text-color: #333333;
  --background-color: #f5f5f5;
  --white-color: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --border-radius: 8px;
  --font-main: 'Roboto', sans-serif;
  --font-heading: 'Montserrat', sans-serif;
  --font-latin: 'Playfair Display', serif;
}

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

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

/* Типография */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark-color);
  margin-bottom: 1rem;
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

h2 {
  font-size: 2rem;
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.5rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-top: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.latin-text {
  font-family: var(--font-latin);
  font-style: italic;
  color: var(--dark-color);
}

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

.section {
  padding: 3rem 0;
}

/* Шапка сайта */
header {
  background-color: var(--primary-color);
  color: var(--white-color);
  padding: 1rem 0;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  margin-right: 10px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

/* Навигация */
nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--white-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

nav ul li a:hover {
  color: var(--light-color);
  text-decoration: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Герой-секция */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-background.jpg');
  background-size: cover;
  background-position: center;
  color: var(--white-color);
  text-align: center;
  padding: 5rem 0;
}

.hero h1 {
  font-size: 3rem;
  color: var(--white-color);
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background-color: var(--secondary-color);
  color: var(--white-color);
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--primary-color);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--white-color);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--secondary-color);
}

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

/* Карточки модулей */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.module-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.module-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.module-card-img {
  height: 200px;
  overflow: hidden;
}

.module-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.module-card:hover .module-card-img img {
  transform: scale(1.05);
}

.module-card-content {
  padding: 1.5rem;
}

.module-card h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.module-card-lessons {
  margin-top: 1rem;
}

.module-card-lessons li {
  margin-bottom: 0.5rem;
  list-style-position: inside;
}

/* Статьи */
.article {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.article-header {
  margin-bottom: 2rem;
}

.article-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
}

.article-content {
  margin-bottom: 2rem;
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border-radius: var(--border-radius);
}

.article-footer {
  border-top: 1px solid var(--light-color);
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Библиотека */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.book-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.book-card-img {
  height: 300px;
  overflow: hidden;
}

.book-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.book-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.book-card-author {
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.book-card-description {
  margin-bottom: 1rem;
  flex-grow: 1;
}

.book-card-footer {
  margin-top: auto;
}

/* Формы */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input, textarea, select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--light-color);
  border-radius: var(--border-radius);
  font-family: var(--font-main);
  font-size: 1rem;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--secondary-color);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* Редактор контента */
.editor-toolbar {
  background-color: var(--light-color);
  padding: 0.5rem;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.editor-btn {
  background-color: var(--white-color);
  border: none;
  border-radius: 4px;
  padding: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.editor-btn:hover {
  background-color: var(--accent-color);
}

.editor-content {
  min-height: 300px;
  padding: 1rem;
  border: 1px solid var(--light-color);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  background-color: var(--white-color);
}

/* Подвал */
footer {
  background-color: var(--dark-color);
  color: var(--white-color);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  color: var(--white-color);
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--light-color);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white-color);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Адаптивность */
@media (max-width: 992px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  nav {
    margin-top: 1rem;
    width: 100%;
  }
  
  nav ul {
    flex-direction: column;
  }
  
  nav ul li {
    margin-left: 0;
    margin-bottom: 0.5rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  nav {
    display: none;
  }
  
  nav.active {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .module-card-img {
    height: 150px;
  }
  
  .article-image {
    height: 200px;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.2rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .hero {
    padding: 3rem 0;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
  }
}

/* Утилиты */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.hidden {
  display: none;
}

.visible {
  display: block;
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-between {
  justify-content: space-between;
}

.align-center {
  align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.gap-5 { gap: 3rem; }