/* ── Base & Utilities ── */
html {
  scroll-behavior: smooth;
}

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

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

/* ── Floating Card Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

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

.floating-card.animate-float-delayed {
  animation: float-delayed 4.5s ease-in-out infinite;
  animation-delay: 1s;
}

/* ── Header Scroll State ── */
#header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#header.scrolled {
  background: rgba(255, 251, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

/* ── Service Cards ── */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* ── Testimonial Cards ── */
.testimonial-card {
  transition: transform 0.3s ease, background 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
}

/* ── Scroll Reveal ── */
.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; }

/* ── Mobile Menu Transition ── */
#mobileMenu {
  animation: slideDown 0.3s ease;
}

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

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #10b981;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Responsive Tweaks ── */
@media (max-width: 640px) {
  .floating-card {
    display: none;
  }
}