/* ================================================
   SCROLL PROGRESS BAR
================================================ */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
  z-index: 10000;
  pointer-events: none;
  transition: width 0.08s linear;
}

/* ================================================
   ACTIVE NAV LINK
================================================ */
.nav-links a.nav-active {
  color: var(--text) !important;
}
.nav-links a.nav-active::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0; right: 0;
  height: 1.5px;
  background: var(--indigo-light);
  border-radius: 2px;
}

/* ================================================
   3D CARD TILT — fast transition after reveal done
================================================ */
.project-card.reveal.visible,
.skill-group.reveal.visible {
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease) !important;
}

/* ================================================
   MAGNETIC BUTTONS — spring back quickly
================================================ */
.btn-primary, .btn-ghost, .nav-resume {
  will-change: transform;
}

/* ================================================
   TYPEWRITER CURSOR
================================================ */
.tw-cursor {
  display: inline-block;
  width: 1.5px;
  height: 0.9em;
  background: var(--indigo-light);
  margin-left: 3px;
  vertical-align: middle;
  border-radius: 1px;
  animation: tw-blink 0.85s step-end infinite;
}
@keyframes tw-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ================================================
   HERO SPOTLIGHT (cursor-following glow)
================================================ */
.hero-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    700px circle at var(--sx, 50%) var(--sy, 50%),
    rgba(99, 102, 241, 0.07),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 1;
}
#hero:hover .hero-spotlight { opacity: 1; }


/* ================================================
   TAG HOVER LIFT
================================================ */
.tag {
  transition: transform 0.15s var(--ease), background 0.2s, border-color 0.2s, color 0.2s !important;
}
.tag:hover {
  transform: translateY(-2px);
  background: var(--tag-bg);
  border-color: var(--indigo-light);
  color: var(--indigo-light);
}

/* ================================================
   SECTION UNDERLINE ACCENT
================================================ */
.section-heading {
  position: relative;
  display: inline-block;
}
.section-heading::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
  border-radius: 2px;
  transition: width 0.5s var(--ease) 0.2s;
}
.section-heading.heading-visible::after {
  width: 60px;
}