/* ===== BASE ===== */
*, *::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: rgba(46, 125, 50, 0.2);
  color: #1b5e20;
}

/* ===== NAV ===== */
#nav {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

#nav.scrolled {
  background: rgba(253, 251, 247, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(27, 94, 32, 0.08);
}

/* ===== MOBILE MENU ===== */
.mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.open {
  transform: translateX(0);
}

#mobile-menu.closed {
  transform: translateX(100%);
}

/* ===== SERVICE CARDS ===== */
.service-card {
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1), box-shadow 0.4s ease;
}

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

/* ===== TESTIMONIAL CARDS ===== */
.testimonial-card {
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1), box-shadow 0.4s ease;
}

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

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.32, 0.72, 0, 1), transform 0.7s cubic-bezier(0.32, 0.72, 0, 1);
}

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

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

/* ===== STAGGER DELAYS ===== */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ===== FORM STYLES ===== */
select option {
  color: #1b5e20;
  background: #faf5eb;
}

select:focus {
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

input:focus, textarea:focus {
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

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

::-webkit-scrollbar-track {
  background: #faf5eb;
}

::-webkit-scrollbar-thumb {
  background: #a5d6a7;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #66bb6a;
}

/* ===== MOBILE MENU ANIMATION ===== */
.menu-line {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 1.25rem;
}