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

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

/* ── Hero Gradient ── */
.hero-gradient {
  background: linear-gradient(135deg, #064e3b 0%, #059669 35%, #10b981 60%, #34d399 80%, #a7f3d0 100%);
}

/* ── Decorative Pattern ── */
.hero-pattern {
  background-image: radial-gradient(circle at 25% 25%, rgba(255,255,255,0.08) 1px, transparent 1px),
                    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px, 40px 40px;
}

/* ── Floating Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px) translateX(0px); }
  50% { transform: translateY(-20px) translateX(15px); }
}

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

.animate-float { animation: float 8s ease-in-out infinite; }
.animate-float-slow { animation: float-slow 12s ease-in-out infinite; }
.animate-float-medium { animation: float-medium 6s ease-in-out infinite; }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

/* Initial state handled in JS for progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger delays */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ── Navbar ── */
#navbar {
  background: transparent;
}

#navbar.scrolled {
  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);
}

/* ── Mobile Menu ── */
.mobile-link {
  position: relative;
}
.mobile-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #059669;
  transition: width 0.3s ease;
}
.mobile-link:hover::after {
  width: 100%;
}

/* ── Smooth section transitions ── */
section {
  position: relative;
}

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

/* ── Selection ── */
::selection {
  background: #a7f3d0;
  color: #064e3b;
}