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

/* ========== NAVBAR ========== */
#navbar { background: transparent; }
#navbar.scrolled {
  background: rgba(254, 253, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(45, 90, 61, 0.08);
  box-shadow: 0 1px 20px rgba(45, 90, 61, 0.06);
}

.nav-link { position: relative; }

/* ========== MOBILE MENU ========== */
#mobile-menu { animation: slideDown 0.3s ease-out; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-nav-link { border-radius: 12px; }

/* ========== HERO FLOATING CARDS ========== */
.card-float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}
.card-float-medium {
  animation: floatMedium 4.5s ease-in-out infinite;
}
.card-float-fast {
  animation: floatFast 3.5s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}
@keyframes floatMedium {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}
@keyframes floatFast {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* ========== SERVICE CARDS ========== */
.service-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, background 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}
.service-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== FEATURE CARDS ========== */
.feature-card {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.5s ease;
}
.feature-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== SECTION REVEALS ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== COUNTER ========== */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .card-float-slow, .card-float-medium, .card-float-fast {
    animation: none;
  }
}

/* ========== FOCUS ========== */
a:focus-visible, button:focus-visible {
  outline: 2px solid #2D5A3D;
  outline-offset: 2px;
  border-radius: 8px;
}

/* ========== SELECTION ========== */
::selection {
  background: rgba(45, 90, 61, 0.15);
  color: #1a3624;
}