/* ── Scroll-reveal animations ───────────────── */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

.slide-in-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-in-left.visible { opacity: 1; transform: translateX(0); }

.slide-in-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-in-right.visible { opacity: 1; transform: translateX(0); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ── Hero immediate animations ───────────────── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-item { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.hero-item:nth-child(1) { animation-delay: 0.1s; }
.hero-item:nth-child(2) { animation-delay: 0.25s; }
.hero-item:nth-child(3) { animation-delay: 0.4s; }
.hero-item:nth-child(4) { animation-delay: 0.55s; }

/* ── Scroll indicator bounce ───────────────── */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0) translateX(-50%); }
  50%       { transform: translateY(10px) translateX(-50%); }
}
.scroll-indicator { animation: scrollBounce 1.8s ease infinite; }

/* ── Navbar ───────────────── */
#site-navbar { background: transparent; }
#site-navbar.navbar-scrolled {
  background: rgba(17, 17, 17, 0.98) !important;
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
  padding-top: 0.75rem !important;
  padding-bottom: 0.75rem !important;
}

/* ── Mobile menu ───────────────── */
.mobile-nav {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}
.mobile-nav.open { max-height: 600px; opacity: 1; }

/* ── Hero video fill ───────────────── */
.hero-video {
  position: absolute;
  top: 50%; left: 50%;
  width: 100vw; height: 56.25vw;
  min-height: 100vh; min-width: 177.78vh;
  transform: translate(-50%, -50%);
  object-fit: cover;
  pointer-events: none;
}

/* ── Why-cards hover group ───────────────── */
.why-card:hover .why-icon-bg { background-color: #FFC107; }
.why-card:hover .why-icon    { color: #000; }

/* ── Product card hover ───────────────── */
.product-preview-card .card-reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.product-preview-card:hover .card-reveal { opacity: 1; transform: translateY(0); }

/* ── Map pulse marker ───────────────── */
@keyframes kalaPulse {
  0%   { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(3);   opacity: 0; }
}
.kala-pulse-ring { animation: kalaPulse 2s ease-out infinite; }

/* ── Spinner ───────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.btn-spinner { animation: spin 1s linear infinite; }

/* ── Product category tab active bar ───────────────── */
.cat-tab.active { background: #FFC107; color: #000; }

/* ── Modal ───────────────── */
#product-modal {
  display: none;
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
  padding: 1rem;
}
#product-modal.open { display: flex; }
#modal-inner {
  background: #fff;
  max-width: 768px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
  animation: heroFadeUp 0.3s ease forwards;
}

/* ── Why card top border slide ───────────────── */
.why-card .top-border {
  position: absolute; top: 0; left: 0;
  height: 4px; width: 0;
  background: #FFC107;
  transition: width 0.5s ease;
}
.why-card:hover .top-border { width: 100%; }