/**
 * Module CSS: 12-glow-highlight.css
 * Trích nguyên văn dòng 499-525 của pctech-homepage.css gốc.
 * Không đổi nội dung — chỉ tách file theo đúng marker sẵn có trong code gốc.
 */
    /* ── Glow highlight ── */
    .glow-card {
      position: relative;
    }
    .glow-card::after {
      content: '';
      position: absolute;
      inset: -2px;
      border-radius: calc(var(--radius) + 2px);
      background: linear-gradient(135deg, var(--orange), var(--blue), var(--green));
      z-index: -1;
      opacity: 0;
      transition: opacity 0.4s;
    }
    .glow-card:hover::after { opacity: 0.6; animation: glowRotate 3s linear infinite; }
    @keyframes glowRotate {
      0% { filter: hue-rotate(0deg); }
      100% { filter: hue-rotate(360deg); }
    }

    .reveal-rotate {
      opacity: 0;
      transform: perspective(600px) rotateY(-15deg) translateX(-30px);
      transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-rotate.visible { opacity: 1; transform: perspective(600px) rotateY(0) translateX(0); }