/* CSS-переменные */
:root {
  /* Цвета */
  --color-primary: #1e53af;
  --color-primary-hover: #16489e;
  --color-text-primary: #333;
  --color-text-secondary: #666;
  --color-text-placeholder: #999;
  --color-background: #ffffff;
  --color-background-secondary: #e8eef5;
  --color-border: #ddd;
  --color-border-light: #e5e5e5;
  --color-error: #d32f2f;
  --color-success: #1e53af;
  
  /* Размеры */
  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-large: 12px;
  --border-radius-xlarge: 16px;
  
  /* Отступы */
  --padding-mobile: 16px;
  --padding-tablet: 24px;
  --padding-desktop: 40px;
  
  /* Тени */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease-out;
}

/* Базовые стили */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* Визуально скрытый класс для доступности */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Улучшение доступности для фокуса */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Отключение анимаций для пользователей с prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Шапка сайта */
.header {
  background-color: var(--color-background);
  width: 100%;
  padding: 20px 0;
  box-shadow: var(--shadow-sm);
}

.header__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-desktop);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header__logo-img {
  height: 70px;
  width: auto;
  display: block;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.header__button {
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 400;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border var(--transition-normal), transform var(--transition-normal);
  font-family: inherit;
  transform-origin: center;
}

.header__button:hover {
  background-color: var(--color-background);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  transform: scale(1.1);
}

.header__button:active {
  transform: scale(1.05);
}

.header__button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Адаптивность для планшетов */
@media (max-width: 768px) {
  .header__container {
    padding: 0 var(--padding-tablet);
  }

  .header__nav {
    gap: 20px;
  }

  .header__nav-link {
    font-size: 14px;
  }

  .header__button {
    padding: 10px 20px;
    font-size: 14px;
  }
}

/* Адаптивность для мобильных устройств */
@media (max-width: 480px) {
  .header__container {
    padding: 0 var(--padding-mobile);
    flex-wrap: wrap;
  }

  .header__logo-img {
    height: 48px;
  }

  .header__nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
  }

  .header__nav-link {
    font-size: 14px;
  }

  .header__button {
    padding: 10px 18px;
    font-size: 14px;
  }
}

/* Главный блок (Hero Section) */
.hero {
  position: relative;
  width: 100%;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 16px;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__background-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.hero__container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  text-align: center;
  color: #ffffff;
}

.hero__title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 20px 0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  margin: 0 0 32px 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero__button {
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 14px 32px;
  font-size: 18px;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border var(--transition-normal), transform 0.15s ease-out;
  font-family: inherit;
  box-shadow: var(--shadow-md);
  transform-origin: center;
  position: relative;
}

.hero__button:hover {
  background-color: var(--color-background);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.hero__button:active {
  transform: scale(1.05);
}

.hero__button:focus-visible {
  outline: 2px solid var(--color-background);
  outline-offset: 2px;
}

/* Адаптивность главного блока для планшетов */
@media (min-width: 481px) {
  .hero {
    min-height: 600px;
    padding: 80px 24px;
  }

  .hero__title {
    font-size: 42px;
    margin-bottom: 24px;
  }

  .hero__subtitle {
    font-size: 20px;
    margin-bottom: 40px;
  }

  .hero__button {
    padding: 16px 40px;
    font-size: 20px;
  }
}

/* Адаптивность главного блока для десктопов */
@media (min-width: 769px) {
  .hero {
    min-height: 700px;
    padding: 100px 40px;
  }

  .hero__title {
    font-size: 56px;
    margin-bottom: 28px;
  }

  .hero__subtitle {
    font-size: 24px;
    margin-bottom: 48px;
  }

  .hero__button {
    padding: 18px 48px;
    font-size: 22px;
  }
}

/* Блок услуг */
.services {
  width: 100%;
  padding: 60px var(--padding-mobile);
  background-color: var(--color-background);
}

.services__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.services__card {
  background-color: var(--color-background);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.services__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.services__card:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.services__card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.services__card-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  margin: 24px 24px 12px 24px;
  color: var(--color-text-primary);
}

.services__card-description {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  margin: 0 24px 24px 24px;
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.services__card-button {
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 400;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border var(--transition-normal), transform var(--transition-normal);
  font-family: inherit;
  margin: 0 24px 24px 24px;
  align-self: flex-start;
  transform-origin: center;
}

.services__card-button:hover {
  background-color: var(--color-background);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  transform: scale(1.1);
}

.services__card-button:active {
  transform: scale(1.05);
}

.services__card-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Адаптивность блока услуг для планшетов */
@media (min-width: 481px) {
  .services {
    padding: 80px var(--padding-tablet);
  }

  .services__container {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .services__card-image {
    height: 280px;
  }
}

/* Адаптивность блока услуг для десктопов */
@media (min-width: 769px) {
  .services {
    padding: 100px var(--padding-desktop) 50px var(--padding-desktop);
  }

  .services__container {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  .services__card-image {
    height: 300px;
  }

  .services__card-title {
    font-size: 26px;
    margin: 28px 28px 16px 28px;
  }

  .services__card-description {
    font-size: 17px;
    margin: 0 28px 28px 28px;
  }

  .services__card-button {
    padding: 14px 28px;
    font-size: 17px;
    margin: 0 28px 28px 28px;
  }
}

/* Блок скачивания договора */
.contract-download {
  width: 100%;
  padding: 50px var(--padding-mobile);
  background-color: var(--color-background);
}

.contract-download__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.contract-download__button {
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 14px 32px;
  font-size: 18px;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border var(--transition-normal), transform var(--transition-normal);
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
  box-shadow: var(--shadow-md);
  transform-origin: center;
}

.contract-download__button:hover {
  background-color: var(--color-background);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.contract-download__button:active {
  transform: scale(1.05);
}

.contract-download__button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Адаптивность блока скачивания договора для планшетов */
@media (min-width: 481px) {
  .contract-download {
    padding: 50px var(--padding-tablet);
  }

  .contract-download__button {
    padding: 16px 40px;
    font-size: 20px;
  }
}

/* Адаптивность блока скачивания договора для десктопов */
@media (min-width: 769px) {
  .contract-download {
    padding: 50px var(--padding-desktop);
  }

  .contract-download__button {
    padding: 18px 48px;
    font-size: 22px;
  }
}

/* Блок "О нас" */
.about {
  width: 100%;
  padding: 60px var(--padding-mobile);
  background-color: var(--color-background);
}

.about__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

.about__image-wrapper {
  width: 100%;
  max-width: 100%;
}

.about__image {
  width: 100%;
  height: auto;
  max-height: 540px;
  object-fit: cover;
  border-radius: var(--border-radius-large);
  display: block;
}

.about__content {
  width: 100%;
}

.about__title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 20px 0;
  color: var(--color-text-primary);
}

.about__description {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  margin: 0;
  color: var(--color-text-secondary);
}

/* Адаптивность блока "О нас" для планшетов */
@media (min-width: 481px) {
  .about {
    padding: 80px var(--padding-tablet);
  }

  .about__container {
    gap: 40px;
  }

  .about__title {
    font-size: 32px;
    margin-bottom: 24px;
  }

  .about__description {
    font-size: 17px;
  }
}

/* Блок "Информация" */
.info {
  width: 100%;
  padding: 60px var(--padding-mobile);
  background-color: var(--color-background-secondary);
}

.info__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

.info__image-wrapper {
  width: 100%;
  max-width: 100%;
}

.info__image {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-large);
  display: block;
  box-shadow: var(--shadow-sm);
}

.info__content {
  width: 100%;
}

.info__title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 20px 0;
  color: var(--color-text-primary);
  text-align: center;
}

.info__text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  margin: 0;
  color: var(--color-text-secondary);
}

.info__text p {
  margin: 0 0 12px 0;
}

.info__text p:last-child {
  margin-bottom: 0;
}

/* Адаптивность блока "Информация" для планшетов */
@media (min-width: 481px) {
  .info {
    padding: 80px var(--padding-tablet);
  }

  .info__container {
    gap: 40px;
  }

  .info__title {
    font-size: 32px;
    margin-bottom: 24px;
  }

  .info__text {
    font-size: 17px;
  }
}

/* Адаптивность блока "Информация" для десктопов */
@media (min-width: 769px) {
  .info {
    padding: 50px var(--padding-desktop) 100px var(--padding-desktop);
  }

  .info__container {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }

  .info__image-wrapper {
    flex: 0 0 45%;
    max-width: 45%;
  }

  .info__content {
    flex: 0 0 55%;
    max-width: 55%;
  }

  .info--no-image .info__container {
    flex-direction: column;
    align-items: center;
  }

  .info--no-image .info__image-wrapper {
    display: none;
  }

  .info--no-image .info__content {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .info__title {
    font-size: 36px;
    margin-bottom: 28px;
  }

  .info__text {
    font-size: 18px;
    line-height: 1.7;
  }
}

/* Админ-панель */
.admin {
  width: 100%;
  padding: 40px var(--padding-mobile) 80px var(--padding-mobile);
  background-color: var(--color-background-secondary);
}

.admin__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.admin__title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 24px 0;
  color: var(--color-text-primary);
}

.admin__subtitle {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--color-text-primary);
}

.admin__section {
  background-color: var(--color-background);
  border-radius: var(--border-radius-large);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.admin__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.admin__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.admin__input,
.admin__textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-background);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.admin__input:focus,
.admin__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 83, 175, 0.12);
  outline: none;
}

.admin__textarea {
  resize: vertical;
  min-height: 160px;
}

.admin__submit {
  align-self: flex-start;
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border var(--transition-normal), transform var(--transition-fast);
  font-family: inherit;
}

.admin__submit:hover {
  background-color: var(--color-primary-hover);
}

.admin__submit:active {
  transform: scale(0.98);
}

.admin__hint {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: 0;
}

.admin__error {
  font-size: 13px;
  color: var(--color-error);
  min-height: 18px;
  margin: 0;
}

.admin__status {
  font-size: 14px;
  color: var(--color-text-secondary);
  min-height: 18px;
  margin: 0;
}

.admin__preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin__preview-image-wrapper {
  width: 100%;
  max-width: 400px;
}

.admin__preview-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-sm);
  display: block;
}

@media (min-width: 481px) {
  .admin {
    padding: 48px var(--padding-tablet) 96px var(--padding-tablet);
  }

  .admin__title {
    font-size: 30px;
  }

  .admin__section {
    padding: 28px 24px;
  }
}

@media (min-width: 769px) {
  .admin {
    padding: 56px var(--padding-desktop) 112px var(--padding-desktop);
  }

  .admin__title {
    font-size: 32px;
  }

  .admin__section {
    padding: 32px 28px;
  }
}

/* Адаптивность блока "О нас" для десктопов */
@media (min-width: 769px) {
  .about {
    padding: 50px var(--padding-desktop) 100px var(--padding-desktop);
  }

  .about__container {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }

  .about__image-wrapper {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .about__content {
    flex: 0 0 50%;
    max-width: 50%;
  }

  .about__title {
    font-size: 36px;
    margin-bottom: 28px;
  }

  .about__description {
    font-size: 18px;
    line-height: 1.7;
  }
}

/* Блок контактов */
.contacts {
  width: 100%;
  padding: 60px var(--padding-mobile);
  background-color: var(--color-background-secondary);
}

.contacts__container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.contacts__item {
  background-color: var(--color-background);
  border-radius: var(--border-radius-large);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.contacts__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contacts__icon {
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  display: block;
}

.contacts__text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0;
}

.contacts__link {
  display: block;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  margin-bottom: 8px;
}

.contacts__link:last-child {
  margin-bottom: 0;
}

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

.contacts__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Адаптивность блока контактов для планшетов */
@media (min-width: 481px) {
  .contacts {
    padding: 80px var(--padding-tablet);
  }

  .contacts__container {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .contacts__item {
    padding: 36px 28px;
  }

  .contacts__text {
    font-size: 17px;
  }
}

/* Адаптивность блока контактов для десктопов */
@media (min-width: 769px) {
  .contacts {
    padding: 100px var(--padding-desktop) 50px var(--padding-desktop);
  }

  .contacts__container {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  .contacts__item {
    padding: 40px 32px;
  }

  .contacts__text {
    font-size: 18px;
  }
}

/* Анимации появления при скролле */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.animate-fade-in.is-visible {
  opacity: 1;
}

.animate-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.animate-slide-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.animate-slide-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Задержки для последовательного появления */
.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

.delay-4 {
  transition-delay: 0.4s;
}

/* Футер */
.footer {
  width: 100%;
  padding: 40px var(--padding-mobile);
  background-color: var(--color-background-secondary);
}

.footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer__text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Адаптивность футера для планшетов */
@media (min-width: 481px) {
  .footer {
    padding: 48px var(--padding-tablet);
  }

  .footer__text {
    font-size: 17px;
  }
}

/* Адаптивность футера для десктопов */
@media (min-width: 769px) {
  .footer {
    padding: 50px var(--padding-desktop) 100px var(--padding-desktop);
  }

  .footer__text {
    font-size: 18px;
  }
}

/* Модальное окно */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--padding-mobile);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.modal__container {
  position: relative;
  width: 100%;
  max-width: 600px;
  max-height: calc(100vh - 32px);
  background-color: var(--color-background);
  border-radius: var(--border-radius-xlarge);
  padding: 32px 24px;
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
  z-index: 1;
}

.modal.is-open .modal__container {
  transform: scale(1) translateY(0);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: none;
  border-radius: var(--border-radius);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  padding: 0;
}

.modal__close:hover {
  background-color: var(--color-background-secondary);
  color: var(--color-text-primary);
}

.modal__close:active {
  transform: scale(0.95);
}

.modal__close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal__title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin: 0 0 24px 0;
  padding-right: 32px;
}

.modal__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Стили для fieldset */
fieldset.modal__field {
  border: none;
  padding: 0;
  margin: 0;
}

fieldset.modal__field legend {
  padding: 0;
}

.modal__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.4;
}

.modal__required {
  color: var(--color-error);
  margin-left: 2px;
}

.modal__input {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-background);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.modal__input::placeholder {
  color: var(--color-text-placeholder);
}

.modal__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 83, 175, 0.1);
}

.modal__input.is-error {
  border-color: var(--color-error);
}

.modal__input.is-error:focus {
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

.modal__error {
  font-size: 13px;
  color: var(--color-error);
  line-height: 1.4;
  min-height: 18px;
  display: block;
}

.modal__radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal__radio {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.modal__radio input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.modal__radio-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  position: relative;
  transition: border-color var(--transition-fast);
  flex-shrink: 0;
}

.modal__radio input[type="radio"]:checked + .modal__radio-custom {
  border-color: var(--color-primary);
}

.modal__radio input[type="radio"]:checked + .modal__radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.modal__radio input[type="radio"]:focus-visible + .modal__radio-custom {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal__radio:hover .modal__radio-custom {
  border-color: var(--color-primary);
}

.modal__radio-text {
  font-size: 15px;
  color: var(--color-text-primary);
  line-height: 1.4;
}

.modal__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.modal__checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.modal__checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
  margin-top: 2px;
}

.modal__checkbox input[type="checkbox"]:checked + .modal__checkbox-custom {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}

.modal__checkbox input[type="checkbox"]:checked + .modal__checkbox-custom::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 6px;
  height: 10px;
  border: solid var(--color-background);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.modal__checkbox input[type="checkbox"]:focus-visible + .modal__checkbox-custom {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal__checkbox:hover .modal__checkbox-custom {
  border-color: var(--color-primary);
}

.modal__checkbox-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.modal__link {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.modal__link:hover {
  color: var(--color-primary-hover);
}

.modal__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.modal__submit {
  width: 100%;
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border var(--transition-normal), transform var(--transition-fast);
  font-family: inherit;
  margin-top: 8px;
}

.modal__submit:hover {
  background-color: var(--color-primary-hover);
}

.modal__submit:active {
  transform: scale(0.98);
}

.modal__submit:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal__submit:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
}

.modal__success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 0;
}

.modal__success.is-visible {
  display: flex;
}

.modal__success-icon {
  margin-bottom: 24px;
  animation: successScale 0.5s ease;
}

@keyframes successScale {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.modal__success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 12px 0;
  line-height: 1.3;
}

.modal__success-text {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin: 0 0 24px 0;
  line-height: 1.5;
}

.modal__success-button {
  background-color: var(--color-primary);
  color: var(--color-background);
  border: 1px solid transparent;
  padding: 12px 32px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-normal), transform var(--transition-fast);
  font-family: inherit;
}

.modal__success-button:hover {
  background-color: var(--color-primary-hover);
}

.modal__success-button:active {
  transform: scale(0.98);
}

.modal__success-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Адаптивность модального окна для планшетов и десктопов */
@media (min-width: 481px) {
  .modal {
    padding: var(--padding-tablet);
  }

  .modal__container {
    padding: 40px 32px;
    max-height: calc(100vh - 48px);
  }

  .modal__title {
    font-size: 26px;
    margin-bottom: 28px;
  }

  .modal__radio-group {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 20px;
  }
}

@media (min-width: 769px) {
  .modal__title {
    font-size: 28px;
    margin-bottom: 32px;
  }

  .modal__container {
    padding: 48px var(--padding-desktop);
  }
}