/* ── Activity Grid ── */
    .activities-section { padding: 96px 0; background: var(--ground); }
    .activities-header  { text-align: center; margin-bottom: 64px; }
    .activities-header .sec-sub { max-width: 600px; margin: 12px auto 0; }

    .activities-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    @media(max-width:1100px){ .activities-grid{ grid-template-columns: repeat(2,1fr); } }
    @media(max-width:560px){  .activities-grid{ grid-template-columns: 1fr; gap:14px; } }

    .activity-card {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--sh-sm);
      transition: transform .3s ease, box-shadow .3s ease;
      display: flex;
      flex-direction: column;
    }
    .activity-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }

    /* Colour-coded top stripe per card */
    .activity-card::before {
      content: '';
      display: block;
      height: 4px;
      background: var(--card-color, var(--gradient));
    }

    .activity-icon-wrap {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 64px;
      height: 64px;
      border-radius: 18px;
      margin: 28px auto 0;
      background: var(--card-bg, #f4f6fb);
    }
    .activity-icon-wrap i {
      font-size: 30px;
      color: var(--card-accent, var(--red));
    }

    .activity-body { padding: 18px 24px 28px; flex: 1; text-align: center; }
    .activity-name {
      font-family: var(--font-d);
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 10px;
    }
    .activity-tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--card-accent, var(--red));
      background: var(--card-bg, #f4f6fb);
      border-radius: 50px;
      padding: 4px 12px;
      margin-bottom: 14px;
    }
    .activity-desc { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

    /* ── Campus Highlight Strip ── */
    .campus-strip {
      background: var(--gradient);
      padding: 56px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }
    .campus-strip-text { color: #fff; flex: 1; min-width: 260px; }
    .campus-strip-label {
      font-size: 10px; font-weight: 700; letter-spacing: .2em;
      text-transform: uppercase; color: rgba(255,255,255,.6); margin-bottom: 10px;
    }
    .campus-strip-title {
      font-family: var(--font-d);
      font-size: clamp(1.4rem, 2.5vw, 2rem);
      font-weight: 700;
      color: #fff;
      line-height: 1.3;
    }
    .campus-strip-stats {
      display: flex;
      gap: 48px;
      flex-wrap: wrap;
    }
    .campus-stat { text-align: center; }
    .campus-stat-num {
      font-family: var(--font-d);
      font-size: 2.4rem;
      font-weight: 700;
      color: #fff;
      line-height: 1;
    }
    .campus-stat-lbl {
      font-size: 11px;
      font-weight: 500;
      color: rgba(255,255,255,.7);
      margin-top: 4px;
      white-space: nowrap;
    }
    @media(max-width:640px){ .campus-strip{ padding:40px 20px; flex-direction:column; } .campus-strip-stats{ gap:28px; } }

    /* ── Image Mosaic ── */
    .mosaic-section { padding: 96px 0; background: var(--ground); }
    .mosaic-header  { text-align: center; margin-bottom: 48px; }
    .mosaic-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: 260px 260px;
      gap: 16px;
    }
    .mosaic-item { border-radius: 16px; overflow: hidden; position: relative; }
    .mosaic-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; display: block; }
    .mosaic-item:hover img { transform: scale(1.05); }
    .mosaic-item:first-child { grid-row: 1 / 3; }
    @media(max-width:768px){
      .mosaic-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 180px 180px 180px; }
      .mosaic-item:first-child { grid-row: auto; }
    }
    @media(max-width:480px){ .mosaic-grid{ grid-template-columns:1fr; grid-template-rows:auto; } .mosaic-item{ height:220px; } }

    /* ── FAQ Section ── */
    .faq-section { padding: 88px 0; background: #ffffff; }