/* ========== BASE & RESET ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* ========== ANIMATIONS ========== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

@keyframes scroll-line {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

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

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

.animate-scroll-line {
  animation: scroll-line 1.5s ease-in-out infinite;
}

/* ========== SCROLL REVEAL (below fold only) ========== */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
  }
}

.reveal.visible[data-reveal] {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
.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; }

/* ========== NAV SCROLL STATE ========== */
.nav-scrolled {
  box-shadow: 0 1px 12px rgba(6, 95, 70, 0.08);
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
  animation: slideDown 0.25s ease;
}

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

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

/* ========== SELECTION ========== */
::selection {
  background: #065f46;
  color: #d1fae5;
}