/* ==========================================================================
   responsive.css : 1024 / 767 / 480 breakpoints + mobile offcanvas nav
   ========================================================================== */

@media (max-width: 1200px) {
  .container { max-width: 1024px; }
  .mainnav__list > li > a { padding-inline: 10px; font-size: 16px; }
  .mega--3 { width: 720px; }
}

@media (max-width: 1024px) {
  .hero img { height: 360px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .welcome__grid { grid-template-columns: 1fr; gap: 34px; }
  .faculties__grid { grid-template-columns: repeat(3, 1fr); }
  .rankings__grid { grid-template-columns: repeat(4, 1fr); row-gap: 30px; }
  .acard { flex-basis: calc((100% - 24px) / 2); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer__map { grid-column: 1 / -1; }
  .footer__map iframe { height: 260px; }

  /* -------- mobile navigation -------- */
  .nav-toggle { display: flex; }
  .mainnav__list {
    position: fixed;
    top: 0;
    inset-inline-start: 0;
    width: 310px;
    max-width: 88vw;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 64px 0 40px;
    overflow-y: auto;
    box-shadow: 0 0 40px rgba(0, 0, 0, .25);
    transform: translateX(-100%);
    transition: transform .35s ease;
    z-index: 1100;
  }
  [dir="rtl"] .mainnav__list { transform: translateX(100%); }
  .mainnav.is-open .mainnav__list { transform: none; }
  .mainnav__list > li > a {
    height: auto;
    padding: 14px 22px;
    font-size: 16px;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
  }
  .mainnav__list > li > a::after { display: none; }
  .mega {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-top: 0;
    border-top: 1px dashed var(--border);
    width: auto !important;
    padding: 6px 0 12px;
    display: none;
  }
  .mainnav__list > li.is-expanded > .mega { display: block; }
  .mega ul,
  .mega--2 ul,
  .mega--3 ul { grid-template-columns: 1fr; }
  .mega a { padding: 8px 14px; }
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    opacity: 0;
    visibility: hidden;
    transition: .3s ease;
    z-index: 1050;
  }
  .mainnav.is-open .nav-backdrop { opacity: 1; visibility: visible; }
  .nav-close {
    position: absolute;
    top: 14px;
    inset-inline-end: 14px;
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--gray);
    display: none;
    align-items: center;
    justify-content: center;
  }
  .mainnav.is-open .nav-close { display: flex; }
}

@media (max-width: 767px) {
  body { font-size: 15px; }
  .section-title { font-size: 24px; }
  .brand img { width: 150px; }
  .mainbar__inner { min-height: 68px; }
  .topbar__links { display: none; }
  .topbar__inner { justify-content: flex-end; }

  .hero img { height: 300px; }
  .stats { margin-top: -30px; }
  .stats__grid { padding: 26px 12px; }
  .stat__icon { width: 76px; height: 76px; font-size: 34px; margin-bottom: 14px; }
  .stat__num { font-size: 24px; }
  .stat__label { font-size: 15px; }

  .dean__media img { height: 300px; }
  .dean__body { height: 96px; }
  .dean:hover .dean__body { height: 210px; }

  .faculties__grid { grid-template-columns: repeat(2, 1fr); }
  .rankings__grid { grid-template-columns: repeat(2, 1fr); }
  .acard { flex-basis: 100%; }
  .carousel__nav { display: none; }

  .footer__inner { grid-template-columns: 1fr; padding: 40px 0 34px; }
  .footer__bottom-inner { flex-direction: column; gap: 8px; padding-block: 12px; }
  .footer__bottom-links { order: 3; }
}

@media (max-width: 480px) {
  .hero img { height: 720px; }
  .platforms__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 22px 10px; }
  .rankings__grid { grid-template-columns: 1fr 1fr; }
  .faculties__grid { grid-template-columns: 1fr 1fr; }
  .rcard__circle { width: 118px; height: 118px; }
  .ticker__item { font-size: 13px; }
  .ticker__label { padding: 0 14px; font-size: 13px; }
}