/* ========== BASE & RESET ========== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== NAVBAR ========== */
#navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
  background: rgba(253, 252, 248, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(27, 94, 32, 0.08);
}

#navbar.scrolled .font-heading {
  color: #1B5E20 !important;
}

#navbar.scrolled .mobile-link {
  color: #1B5E20 !important;
}

#navbar.scrolled .menu-line {
  background: #1B5E20 !important;
}

#navbar.scrolled a:not(.bg-forest) {
  color: #1B5E20 !important;
}

/* ========== MOBILE MENU ========== */
#mobileMenu {
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

#mobileMenu.open {
  display: block;
}

#mobileMenu.hidden {
  display: none;
}

/* ========== HERO FLOATING CARDS ========== */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px) rotate(12deg); }
  50% { transform: translateY(-12px) rotate(12deg); }
}

@keyframes floatMedium {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
}

@keyframes floatFast {
  0%, 100% { transform: translateY(0px) rotate(-12deg); }
  50% { transform: translateY(-10px) rotate(-12deg); }
}

.floating-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

.floating-medium {
  animation: floatMedium 4.5s ease-in-out infinite;
}

.floating-fast {
  animation: floatFast 3.5s ease-in-out infinite;
}

/* ========== 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, #1B5E20, #43a047);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

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

/* ========== SCROLL REVEAL (below fold only) ========== */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
  }

  .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; }
  .reveal-delay-5 { transition-delay: 0.5s; }
  .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ========== MOBILE MENU TOGGLE ========== */
.menu-open .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.menu-open .menu-line:nth-child(2) {
  opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 5px;
}

/* ========== FORM FOCUS STATES ========== */
input:focus, select:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(27, 94, 32, 0.15);
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  h1 { font-size: 2.25rem !important; }
  h2 { font-size: 1.75rem !important; }
}