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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

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

::selection {
  background: #7ac68a;
  color: #0a1c0e;
}

/* ===== NAVBAR SCROLL STATE ===== */
#navbar.scrolled {
  box-shadow: 0 4px 20px rgba(10, 28, 14, 0.1);
}

/* ===== MOBILE MENU ===== */
.mobile-link {
  border-color: rgba(122, 198, 138, 0.2);
}

.mobile-link:hover {
  padding-left: 0.5rem;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    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; }
  .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* ===== FOCUS STYLES ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #7ac68a;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #faf8f0;
}
::-webkit-scrollbar-thumb {
  background: #adddb5;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #7ac68a;
}

/* ===== FORM STYLES ===== */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231a4527' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

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

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 640px) {
  .font-heading {
    line-height: 1.2;
  }
}