/* ─── Base & Utilities ─── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ─── Navbar ─── */
#navbar { transition: box-shadow 0.3s ease; }
#navbar.scrolled { box-shadow: 0 4px 20px rgba(5, 150, 105, 0.1); }

.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: #059669;
  border-radius: 1px;
  transition: width 0.25s ease;
}
.nav-link:hover::after { width: 60%; }

/* ─── Hero Animations ─── */
.hero-content {
  animation: fadeSlideUp 0.8s ease forwards;
}
.hero-image {
  animation: fadeSlideLeft 0.8s ease forwards;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Service Cards ─── */
.service-card { cursor: default; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(5, 150, 105, 0.12); }

/* ─── Why Cards ─── */
.why-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.why-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(5, 150, 105, 0.1); }

/* ─── Testimonial Cards ─── */
.testimonial-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2); }

/* ─── Mobile Menu ─── */
#mobile-menu {
  animation: slideDown 0.3s ease forwards;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-link { border-radius: 0.75rem; }

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ─── Button Ripple ─── */
button, a { -webkit-tap-highlight-color: transparent; }

/* ─── Form Focus States ─── */
input:focus, select:focus, textarea:focus {
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

/* ─── Selection ─── */
::selection { background: #A7F3D0; color: #064E3B; }