/* BASE */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

/* NAVBAR SCROLL */
#navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(10,22,46,0.08);
}

/* MOBILE MENU */
#mobileMenu.open { opacity: 1; pointer-events: all; }
#mobileMenu.closed { opacity: 0; pointer-events: none; }
.mobile-link { transition: opacity 0.3s; }

/* SERVICE CARDS */
.service-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(10,22,46,0.2);
}

/* SCROLL REVEAL (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    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; }
  .reveal-delay-5 { transition-delay: 0.5s; }
}

/* REDUCED MOTION - ensure content is always visible */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
  html { scroll-behavior: auto; }
}

/* CUSTOM SCROLLBAR */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f4faf8; }
::-webkit-scrollbar-thumb { background: #b3e0d0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #7ecab0; }

/* SELECT STYLING */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2317306d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ANIMATED HERO ELEMENTS */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.floating { animation: float 4s ease-in-out infinite; }
.floating-delay { animation: float 4s ease-in-out 1s infinite; }

/* DECORATIVE PATTERN */
.pattern-grid {
  background-image: radial-gradient(circle, rgba(79,179,142,0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}