body {
  background: linear-gradient(to bottom, #09090b, #000000);
  color: #fafafa;
}
section { scroll-margin-top: 90px; }
.hidden { display: none; }

/* Aggressive underline */
.aggressive-link {
  position: relative;
}
.aggressive-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: linear-gradient(90deg, #ef4444, transparent);
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.aggressive-link:hover::after {
  transform: scaleX(1);
}

/* Red accent glow */
.red-glow {
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.3);
}
.red-glow:hover {
  box-shadow: 0 0 35px rgba(239, 68, 68, 0.5);
}

/* Dark overlay */
.dark-overlay {
  background: linear-gradient(to bottom, rgba(9, 9, 11, 0.9), rgba(9, 9, 11, 0.95));
}

/* Grid line pattern */
.grid-pattern {
  background-image: 
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}