html {
  scroll-behavior: smooth;
}

/* Hero background (fallback when no video) */
.hero-bg {
  background: linear-gradient(135deg, #0f172a 0%, #162240 50%, #0f172a 100%);
}

/* Hero video responsive sizing */
#pocetna video {
  min-width: 100%;
  min-height: 100%;
  object-position: center;
}

/* Page hero (inner pages) */
.page-hero-bg {
  background: linear-gradient(135deg, #0f172a 0%, #1a2744 100%);
}

/* Fade-in animation on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Service card hover lift */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Feature card icon pulse on hover */
.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-icon {
  transition: transform 0.3s ease;
}

/* Scroll-to-top button */
#scrollToTop {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease;
}

#scrollToTop.show {
  opacity: 1;
  visibility: visible;
}

/* Header transition */
.header-scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* FAQ accordion */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer.open {
  max-height: 500px;
}

.faq-toggle .faq-icon {
  transition: transform 0.3s ease;
}

.faq-toggle.active .faq-icon {
  transform: rotate(180deg);
}

/* Active nav link */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #f59e0b;
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Stat counter */
.stat-number {
  font-variant-numeric: tabular-nums;
}

/* Mobile menu animation */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

#mobile-menu.open {
  max-height: 400px;
}

/* CTA button pulse */
@keyframes subtle-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}

.cta-pulse {
  animation: subtle-pulse 2.5s infinite;
}