/* =========================================================
   ULSE GREY — Premium Dark Graphite Style
=========================================================*/

.ulse-grey {
  font-family: "Noto Sans", Arial, sans-serif;
  max-width: 940px;
  margin: 55px auto;
  padding: 50px 45px;
  color: #e6e6e6;

  background:
    linear-gradient(145deg, #3a3a3a, #2c2c2c),
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,0.02) 0px,
      rgba(255,255,255,0.02) 1px,
      rgba(0,0,0,0.18) 1px,
      rgba(0,0,0,0.18) 2px
    );

  border-radius: 22px;
  box-shadow:
     0 15px 40px rgba(0,0,0,0.55),
     inset 0 0 22px rgba(255,255,255,0.03),
     inset 0 0 35px rgba(0,0,0,0.4);

  position: relative;
  overflow: hidden;
}

/* ---- Neon underline sweep ---- */
@keyframes ulseGreyNeon {
  0%   { transform: translateX(-80%); opacity: 0.15; }
  50%  { transform: translateX(80%); opacity: 0.75; }
  100% { transform: translateX(-80%); opacity: 0.15; }
}

.ulse-grey h1,
.ulse-grey h2,
.ulse-grey h3 {
  font-weight: 800;
  letter-spacing: 0.6px;
  color: #f0f0f0;
  margin-bottom: 25px;
  position: relative;
}

.ulse-grey h1::after,
.ulse-grey h2::after,
.ulse-grey h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  height: 3px; width: 100%;

  background: linear-gradient(
      90deg,
      transparent,
      rgba(130,185,255,0.9),
      transparent
  );

  animation: ulseGreyNeon 4s infinite linear;
}

/* ---- Paragraph panels ---- */
.ulse-grey p {
  background: rgba(255,255,255,0.05);
  padding: 20px 24px;
  border-radius: 14px;
  margin: 18px 0;
  line-height: 1.85;

  box-shadow:
    inset 0 1px 3px rgba(255,255,255,0.1),
    inset 0 -2px 5px rgba(0,0,0,0.35);
}

/* ---- Hover glow ---- */
.ulse-grey p:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 3px rgba(255,255,255,0.2),
    inset 0 -2px 5px rgba(0,0,0,0.45),
    0 0 18px rgba(130,185,255,0.42);
  transition: all .25s ease;
}