/* ---------------- Medium / Tablet Screens (<= 1100px) ---------------- */
@media (max-width: 1100px) {
  .about-page-wrapper {
    padding: 20px 20px 50px;
  }

  .about-hero-card {
    min-height: 380px;
    border-radius: 24px;
    margin-bottom: 50px;
  }

  .about-hero-title {
    font-size: 40px;
    line-height: 48px;
  }

  .about-founder-grid,
  .about-excellence-grid,
  .about-whychoose-grid {
    gap: 32px;
  }

  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-stats-row {
    gap: 28px;
  }

  .stat-item {
    min-width: 150px;
    padding: 12px 18px;
  }
}

/* ---------------- Tablet Screens (<= 900px) ---------------- */
@media (max-width: 900px) {
  .about-founder-grid {
    grid-template-columns: 1fr !important;
    text-align: left;
  }

  .founder-img-frame {
    height: 180px !important;
    max-width: 520px;
    margin: 0 auto;
  }

  .about-excellence-grid {
    grid-template-columns: 1fr;
  }

  .excellence-img-frame {
    height: 340px;
    max-width: 520px;
    margin: 0 auto;
  }

  .about-whychoose-grid {
    grid-template-columns: 1fr;
  }

  .whychoose-img-frame {
    height: 340px;
    max-width: 520px;
    margin: 0 auto;
  }

  .aims-tabs-nav {
    gap: 30px;
  }

  .aims-content-box {
    padding: 28px 24px;
  }
}

/* ---------------- Mobile Screens (<= 768px) ---------------- */
@media (max-width: 768px) {
  .about-page-wrapper {
    padding: 16px 14px 40px;
  }

  /* Typography guideline: H1 -> 32px, line-height 1.3, font-weight 700 */
  .about-hero-title {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 700;
  }

  /* Typography guideline: H2 -> 26px, line-height 1.32, font-weight 600 */
  .section-heading-main {
    font-size: 26px;
    line-height: 1.32;
    font-weight: 600;
    margin-bottom: 24px;
  }

  /* Typography guideline: H3 -> 22px, line-height 1.35, font-weight 500 */
  .founder-name-title,
  .principle-title {
    font-size: 20px;
    line-height: 1.35;
    font-weight: 600;
  }

  /* Typography guideline: P -> 16px, line-height 1.35, font-weight 400 */
  .about-body-text,
  .aim-content-text {
    font-size: 15px;
    line-height: 1.5;
    text-align: left;
    margin-bottom: 16px;
  }

  .about-hero-card {
    min-height: 280px;
    border-radius: 18px;
    margin-bottom: 40px;
  }

  .about-hero-content {
    padding: 24px 16px;
  }

  /* Stats marquee on mobile */
  .about-stats-row {
    gap: 20px;
    padding: 6px 12px;
  }

  .stat-item {
    min-width: 135px;
    padding: 10px 14px;
    border-radius: 14px;
  }

  .stat-number {
    font-size: 28px;
    line-height: 34px;
  }

  .stat-label {
    font-size: 11.5px;
  }

  /* Principles grid: 1 column on mobile */
  .principles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .principle-card {
    padding: 20px 18px;
    min-height: auto;
  }

  .principle-desc {
    font-size: 14px;
    line-height: 22px;
  }

  .whychoose-list {
    gap: 14px;
  }

  .whychoose-text {
    font-size: 15px;
    line-height: 22px;
  }

  .whychoose-icon {
    width: 28px;
    height: 28px;
  }

  .whychoose-icon svg {
    width: 16px;
    height: 16px;
  }

  .aims-tabs-nav {
    display: flex;
    justify-content: space-around;
    gap: 12px;
  }

  .aims-tab-circle {
    width: 54px;
    height: 54px;
  }

  .aims-tab-circle svg {
    width: 22px;
    height: 22px;
  }

  .aims-tab-label {
    font-size: 11px;
    line-height: 14px;
  }

  .aims-content-box {
    padding: 20px 16px;
    border-radius: 16px;
  }
}

/* ---------------- Small Mobile Screens (<= 480px) ---------------- */
@media (max-width: 480px) {
  .about-hero-card {
    min-height: 220px;
    border-radius: 14px;
  }

  .about-hero-title {
    font-size: 28px;
  }

  .section-heading-main {
    font-size: 23px;
  }

  .founder-img-frame,
  .excellence-img-frame,
  .whychoose-img-frame {
    height: 240px;
  }

  .about-stats-row {
    gap: 16px;
  }

  .aims-tab-circle {
    width: 48px;
    height: 48px;
  }

  .aims-tab-label {
    font-size: 10px;
  }
}