html {
  scroll-behavior: smooth;
}

.menu-mobile-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-100%);
  visibility: hidden;
}

.menu-mobile-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  visibility: visible;
}

.body-fixed {
  position: fixed;
  width: 100%;
  height: 100%;
  overflow: hidden;
  top: 0;
  left: 0;
}

.menu-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-visible .menu-item {
  opacity: 1;
  transform: translateY(0);
}

.menu-visible .menu-item:nth-child(1) {
  transition-delay: 0.1s;
}

.menu-visible .menu-item:nth-child(2) {
  transition-delay: 0.2s;
}

.menu-visible .menu-item:nth-child(3) {
  transition-delay: 0.3s;
}

.menu-visible .menu-item:nth-child(4) {
  transition-delay: 0.4s;
}

.menu-visible .menu-item:nth-child(5) {
  transition-delay: 0.5s;
}

.service-card {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  border: 1px solid rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-color: rgba(212, 175, 55, 0.3);
}

.nav-link {
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #D4AF37;
  transition: width 0.3s ease;
}

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

.parallax {
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
}

.image-fade {
  position: relative;
  overflow: hidden;
}

.image-fade::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(28, 31, 46, 0) 0%, rgba(28, 31, 46, 0.8) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-fade:hover::after {
  opacity: 1;
}

@media (max-width: 640px) {
  .service-card {
    margin-left: auto;
    margin-right: auto;
    max-width: 90%;
  }
}

.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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