/* =========================================================
   SAITECH ELITE NAV SYSTEM
   Advanced Interaction Layer
========================================================= */

/* ===================== SCROLL PROGRESS BAR ===================== */

.nav-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 10000;
  transition: width 0.2s var(--ease-soft);
}

/* ===================== ACTIVE LINK STATE ===================== */

.nav__menu a.active {
  color: var(--text);
}

.nav__menu a.active::after {
  width: 100%;
}

/* ===================== MAGNETIC LINK EFFECT ===================== */

.nav__menu a {
  display: inline-block;
  will-change: transform;
}

/* ===================== MOBILE OVERLAY MENU ===================== */

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  opacity: 0;
  pointer-events: none;

  transition: 0.5s var(--ease-out);
  z-index: 9998;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.nav-overlay a {
  font-size: 2rem;
  margin: 12px 0;
  color: var(--text-dim);
  transition: 0.3s;
}

.nav-overlay a:hover {
  color: var(--text);
}

/* hamburger */
.nav-burger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-burger span {
  width: 26px;
  height: 2px;
  background: var(--text);
  transition: 0.4s;
}

/* mobile */
@media (max-width: 900px) {
  .nav__menu {
    display: none;
  }

  .nav-burger {
    display: flex;
  }
}