@media (max-width: 1300px) {
  .container {
    width: 100%;
    margin-inline: 0;
  }
  .site-header {
    width: 94%;
  }
}

@media (max-width: 1120px) {
  body {
    font-size: 16px;
  }
  .course-card {
    grid-template-columns: 1fr;
  }

  .course-side {
    position: static;
  }
  .program-grid {
    grid-template-columns: 1fr;
  }
  .nav a {
    font-size: 15px;
  }
  .title {
    font-size: 35px;
  }
  .about-content {
    padding: 15px;
  }
  .about-text {
    font-size: 18px;
  }
  .card-text {
    line-height: 1.5;
  }
  .price-card::before {
    display: none;
  }
  .course-btn-main,
  .course-btn-secondary {
    max-width: 300px;
  }
  .price-card {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* tablet */
@media (max-width: 991px) {
  .header-inner {
    min-height: 68px;
  }

  .logo img {
    max-width: 165px;
  }

  .nav a {
    padding: 10px 14px;
    font-size: 14px;
  }
  .about {
    padding: 90px 0;
  }

  .about-wrap {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .about-title {
    font-size: clamp(30px, 6vw, 48px);
  }
  .about-features {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .about-image-box,
  .about-image-box img {
    min-height: 500px;
  }

  .about-bg-number--one {
    display: none;
  }

  .about-bg-number--two {
    top: 10px;
  }
  .hero-list li::before {
    width: 8px;
    height: 8px;
  }
  .slider .person-card {
    flex: 0 0 calc(50% - 12px);
  }
  .contacts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  section {
    padding: 30px 15px;
  }
  .hero {
    padding-top: 60px;
  }
  .course-main .logo-text {
    max-width: 199px;
    top: -50px;
    right: 15px;
  }
}

/* mobile */
@media (max-width: 767px) {
  .back {
    padding-top: 15px;
  }
  .site-header {
    padding: 0 15px;
    margin: 0 15px 15px;
  }

  .header-inner {
    min-height: 40px;
  }

  .logo {
    max-width: 150px;
    z-index: 10000;
  }

  .logo img {
    max-width: 180px;
  }
  .section-label {
    margin-bottom: 15px;
  }
  .burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(63, 74, 60, 0.1);
    border-radius: 22px;
    box-shadow: 0 20px 40px rgba(63, 74, 60, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    z-index: 100;
    pointer-events: none;
    transition:
      opacity var(--transition),
      visibility var(--transition),
      transform var(--transition);
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav a {
    width: 100%;
    min-height: 50px;
    justify-content: flex-start;
    padding: 14px 16px;
    border-radius: 14px;
    background: transparent;
    font-size: 15px;
  }

  .nav a::after {
    display: none;
  }
  .about {
    padding: 30px 0 0;
    border-radius: 30px;
  }

  .about-title {
    margin-bottom: 20px;
  }

  .about-feature {
    padding: 18px;
  }

  .about-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    font-size: 18px;
  }

  .about-feature h3 {
    font-size: 18px;
  }

  .about-feature p {
    font-size: 15px;
  }

  .about-image-box,
  .about-image-box img {
    min-height: 400px;
  }

  .about-card {
    display: none;
  }

  .about-card strong {
    font-size: 18px;
  }

  .about-bg-number {
    font-size: clamp(70px, 22vw, 150px);
  }
  .hero-label {
    z-index: -1;
    font-size: 11px;
  }
  .logo-text {
    max-width: 290px;
  }
  .hero-list {
    max-width: 90%;
  }
  .hero-list li::before {
    display: none;
  }
  .hero-list li {
    padding-left: 0;
  }
  .hero-wrap {
    gap: 15px;
  }
  .hero-list,
  .btn {
    margin-top: 15px;
  }
  .hero-list {
    gap: 0;
    z-index: -1;
  }
  .title {
    font-size: 25px;
  }
  .section-head {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: clamp(28px, 8vw, 42px);
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card-title {
    font-size: 21px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .person-card__body {
    gap: 10px;
  }
  .card-text {
    font-size: 17px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .slider-track {
    gap: 16px;
  }

  .slider .person-card {
    flex: 0 0 100%;
    min-height: 686px;
  }

  .slider-nav {
    margin-top: 24px;
    gap: 14px;
  }

  .slider-arrow {
    width: 48px;
    height: 48px;
  }
  .course-main .logo-text {
    max-width: 150px;
  }
  .slider-dot.active {
    width: 26px;
  }
  .course-main {
    padding: 30px 15px;
  }
  .course-grid,
  .course-extra {
    grid-template-columns: 1fr;
  }

  .course-title-lg {
    font-size: 23px;
    line-height: 1.2;
  }

  .course-desc,
  .course-list li {
    font-size: 16px;
  }
  .course-block h5 {
    font-size: 18px;
  }
  .price-card-note {
    text-align: center;
  }
  .program-section {
    padding: 30px;
  }

  .program-head {
    margin-bottom: 40px;
  }

  .program-card {
    padding: 70px 30px 30px 30px;
  }

  .program-card-number {
    left: 20px;
    top: 16px;
    font-size: 52px;
  }

  .program-card-title {
    font-size: 18px;
  }

  .program-bg-number {
    font-size: clamp(60px, 14vw, 120px);
  }

  .program-bg-number--one {
    display: none;
  }
  .teacher-modal__dialog {
    width: min(100% - 16px, 900px);
    margin: 8px auto;
    padding: 18px;
    border-radius: 22px;
  }
  .title {
    margin-bottom: 15px;
  }
  .card-docs-btn {
    width: calc(100% - 36px);
    margin: 0 18px 18px;
    font-size: 12px;
  }
  .contacts-section {
    padding: 30px;
  }

  .contacts-grid {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .contact-card {
    padding: 30px;
  }

  .contact-icon {
    width: 64px;
    height: 64px;
    font-size: 24px;
  }

  .contacts-bg-text {
    font-size: clamp(60px, 25vw, 120px);
  }
  .contacts-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-legal-btn {
    width: 100%;
    font-size: 12px;
  }

  .legal-modal__dialog {
    width: min(100% - 16px, 980px);
    max-height: calc(100vh - 16px);
    margin: 8px auto;
    padding: 18px;
    border-radius: 22px;
  }

  .legal-modal__head {
    margin-bottom: 18px;
  }

  .legal-modal__title {
    font-size: 24px;
  }

  .legal-modal__content--text p,
  .legal-info-card {
    padding: 18px;
    border-radius: 18px;
  }

  .legal-modal__content--text p,
  .legal-info-card span {
    font-size: 15px;
  }
  .contacts-logo {
    margin-top: 30px;
    margin-bottom: 30px;
  }
  .contacts-logo img {
    max-width: 200px;
  }
  .course-mobile-price {
    display: block;
    margin: 18px 0 14px;
    padding: 18px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(63, 74, 60, 0.08);
    border: 1px solid rgba(63, 74, 60, 0.08);
  }

  .course-mobile-price-label {
    font-size: 14px;
    line-height: 1.2;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
  }

  .course-mobile-price-value {
    font-family: "HelveticaBold";
    font-size: 30px;
    line-height: 1;
    margin-bottom: 14px;
    color: var(--text);
  }

  .course-mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .course-mobile-actions .course-btn-main,
  .course-mobile-actions .course-btn-secondary {
    width: 100%;
    max-width: 100%;
    margin-top: 0;
  }

  .course-side {
    display: none;
  }
  .course-mobile-price {
    text-align: center;
  }
}