/* ============================================================
   CURSOR & INTERACTIVE POLISH
   ============================================================ */

/* ── Custom cursor glow ── */
.cursor-glow {
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    circle,
    rgba(200, 169, 110, 0.055) 0%,
    transparent 65%
  );
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  will-change: left, top;
}

/* Smaller precise dot */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-champagne);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, opacity 0.3s ease, width 0.2s ease, height 0.2s ease;
  mix-blend-mode: screen;
  opacity: 0.7;
}

.cursor-dot.hovering {
  width: 20px;
  height: 20px;
  opacity: 0.25;
}

/* Hide on touch devices */
@media (hover: none) {
  .cursor-dot,
  .cursor-glow {
    display: none;
  }
}

/* ── Animated underline on research card links ── */
.research-card__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.research-card__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-champagne);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.research-card__link:hover::after {
  transform: scaleX(1);
}

/* ── Magnetic button effect (applied via JS) ── */
.btn {
  position: relative;
  overflow: hidden;
}

/* Ripple layer */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
  opacity: 0;
  border-radius: inherit;
  transition: opacity 0.2s ease;
}

.btn:active::after {
  opacity: 1;
}

/* ── Stat items — number glow on reveal ── */
.stat-item.visible .stat-item__number .counter {
  text-shadow: 0 0 30px rgba(200, 169, 110, 0.5);
}

/* ── Event card — left slide accent ── */
.event-card {
  border-left: 3px solid transparent;
  transition: border-color var(--transition-base), transform var(--transition-base),
    box-shadow var(--transition-base), background var(--transition-base);
}

.event-card:hover {
  border-left-color: var(--color-champagne);
}

/* ── Research cards — hover lift + left accent ── */
.research-card {
  border-left: 2px solid transparent;
  transition: border-color var(--transition-base), transform var(--transition-base),
    box-shadow var(--transition-base);
}

.research-card:hover {
  border-left-color: var(--color-champagne);
  transform: translateY(-5px) translateX(2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 24px var(--color-champagne-glow);
}

/* ── Hero parallax target ── */
.hero__photo-wrap {
  will-change: transform;
}

/* ── Nav link active indicator — refined ── */
.nav__link.active::after {
  transform: scaleX(1);
  background: var(--color-champagne);
}

/* ── Scroll indicator refined animation ── */
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%       { transform: translateX(-50%) translateY(6px); opacity: 0.9; }
}

.hero__scroll {
  animation: none; /* remove old fadeIn, JS handles it */
}

.hero__scroll.visible-scroll {
  opacity: 1;
}

/* ── Section label pop-in ── */
@keyframes labelPop {
  from { opacity: 0; letter-spacing: 0.3em; }
  to   { opacity: 1; letter-spacing: var(--tracking-wide); }
}

.reveal.visible .section-label {
  animation: labelPop 0.5s var(--ease-out) 0.1s both;
}

/* ── Glass card border shimmer on hover ── */
.glass-card {
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(200, 169, 110, 0) 0%,
    rgba(200, 169, 110, 0.3) 50%,
    rgba(200, 169, 110, 0) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  background-size: 200% 200%;
  background-position: 0% 0%;
  opacity: 0;
  transition: opacity 0.4s ease, background-position 0.6s ease;
  pointer-events: none;
}

.glass-card:hover::before {
  opacity: 1;
  background-position: 100% 100%;
}

/* ── Section padding — account for wave divider height ── */
.section {
  padding-bottom: calc(var(--space-12) + 50px);
}

/* ── Footer social link hover glow ── */
.footer__social-link:hover {
  box-shadow: 0 0 20px rgba(200, 169, 110, 0.2);
}