/* ========== BASE ========== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

::selection {
  background: #a7f3d0;
  color: #064e3b;
}

/* ========== HEADER ========== */
#header {
  background: transparent;
}

#header.scrolled {
  background: rgba(254, 252, 244, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* ========== FLOATING CARDS ========== */
.floating-card-1 {
  animation: float-slow 6s ease-in-out infinite;
}

.floating-card-2 {
  animation: float-medium 5s ease-in-out infinite;
  animation-delay: -1s;
}

.floating-card-3 {
  animation: float-slow 7s ease-in-out infinite;
  animation-delay: -3s;
}

.floating-card-4 {
  animation: float-medium 5.5s ease-in-out infinite;
  animation-delay: -2s;
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes float-medium {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* ========== 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, #059669, #34d399);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

/* ========== REVIEW CARDS ========== */
.review-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
  transform: translateY(-4px);
}

/* ========== MOBILE MENU ========== */
#mobileMenu {
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  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; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  .floating-card-1,
  .floating-card-2,
  .floating-card-3,
  .floating-card-4 {
    display: none;
  }
}