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

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

body {
  overflow-x: hidden;
}

::selection {
  background-color: rgba(5, 150, 105, 0.2);
  color: #065f46;
}

/* ===== Navbar ===== */
.nav-link {
  position: relative;
}

.navbar-scrolled .nav-brand-text {
  color: #111827;
}

/* ===== Hero Animations ===== */
.hero-anim {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 0.8s ease forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.25s; }
.hero-anim:nth-child(3) { animation-delay: 0.4s; }
.hero-anim:nth-child(4) { animation-delay: 0.55s; }
.hero-anim:nth-child(5) { animation-delay: 0.7s; }

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Floating Blobs ===== */
@keyframes float {
  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-delayed {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-25px, 25px) scale(1.03); }
  66% { transform: translate(15px, -15px) scale(0.97); }
}

.animate-float {
  animation: float 8s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-delayed 10s ease-in-out infinite;
  animation-delay: 2s;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-anim,
  .animate-float,
  .animate-float-delayed {
    animation: none;
    transition: none;
    opacity: 1;
    transform: none;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* ===== Mobile Menu ===== */
.mobile-link {
  display: block;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
  border-radius: 4px;
}

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

::-webkit-scrollbar-track {
  background: #f8fafc;
}

::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* ===== Utility ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}