/* ── Base & Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  overflow-x: hidden;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal:nth-child(2) { transition-delay: 0.1s; }
  .reveal:nth-child(3) { transition-delay: 0.2s; }
}

/* ── Navbar ── */
.navbar-scrolled #navbar {
  background: rgba(254, 253, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

.navbar-scrolled .nav-logo-text {
  color: #064e3b;
}

.navbar-scrolled .nav-link {
  color: #4b5563;
}

/* ── Hero Blobs Animation ── */
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes float-medium {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 30px) scale(1.1); }
}

@keyframes float-fast {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(25px, -25px); }
}

.hero-blob {
  animation: float-slow 12s ease-in-out infinite;
}

.blob-2 {
  animation: float-medium 15s ease-in-out infinite;
}

.blob-3 {
  animation: float-fast 10s ease-in-out infinite;
}

.blob-4 {
  animation: float-medium 13s ease-in-out infinite reverse;
}

/* ── Menu Card Hover ── */
.menu-card {
  will-change: transform;
}

/* ── Feature Card Hover ── */
.feature-card {
  transition: transform 0.3s ease;
}

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

/* ── Mobile Menu Animation ── */
#mobile-menu {
  animation: slideDown 0.3s ease-out;
}

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

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #fefdf8;
}

::-webkit-scrollbar-thumb {
  background: #a7f3d0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #34d399;
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #34d399;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Reduced Motion ── */
@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;
  }
}