/* === Base & Utilities === */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

::selection {
  background-color: #3D9966;
  color: #ffffff;
}

/* === Navbar === */
#navbar.scrolled {
  background-color: rgba(10, 35, 66, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

#navbar.scrolled .font-serif {
  color: #ffffff !important;
}

#navbar.scrolled .menu-line {
  background-color: #ffffff !important;
}

/* === Mobile Menu === */
.mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.closed {
  opacity: 0;
  pointer-events: none;
}

/* === Hero === */
#hero {
  position: relative;
}

/* === Service Cards === */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3D9966, #8FD0A8);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.service-card:hover::after {
  transform: scaleX(1);
}

/* === Gallery === */
.gallery-item {
  cursor: pointer;
}

.gallery-item img {
  will-change: transform;
}

/* === Scroll Animations === */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .service-card::after {
    transform: scaleX(0);
  }
  .service-card:hover::after {
    transform: scaleX(1);
  }
}

/* === Form === */
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

/* === Responsive === */
@media (max-width: 640px) {
  .font-serif {
    word-spacing: -0.02em;
  }
}

@media (min-width: 1024px) {
  .reveal {
    opacity: 0;
    transform: translateY(40px);
  }
}