/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ─── Custom Properties ─── */
:root {
  --forest-50:  #f0f5f0;
  --forest-100: #dce9dc;
  --forest-200: #bdd8bd;
  --forest-500: #4a7c4a;
  --forest-600: #3d663d;
  --forest-700: #325232;
  --forest-800: #294329;
  --forest-900: #223722;
  --cream-50:  #fdfcfa;
  --cream-100: #faf8f4;
  --cream-200: #f3efe8;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--forest-600);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 4px 14px rgba(61,102,61,0.3);
}
.btn-primary:hover {
  background: var(--forest-700);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(61,102,61,0.35);
}
.btn-primary svg { transition: transform 0.2s; }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--forest-700);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  border: 2px solid var(--forest-200);
  transition: border-color 0.3s, background 0.3s, color 0.3s, transform 0.2s;
}
.btn-outline:hover {
  border-color: var(--forest-500);
  background: var(--forest-50);
  color: var(--forest-800);
  transform: translateY(-2px);
}
.btn-outline svg { transition: transform 0.2s; }
.btn-outline:hover svg { transform: scale(1.1); }

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  color: var(--forest-700);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.btn-white:hover {
  background: var(--cream-100);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  border: 2px solid rgba(255,255,255,0.4);
  transition: border-color 0.3s, background 0.3s, transform 0.2s;
}
.btn-white-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* ─── Input Fields ─── */
.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--forest-200);
  border-radius: 0.75rem;
  background: #fff;
  color: var(--forest-800);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.input-field::placeholder { color: #a8bfa8; }
.input-field:focus {
  border-color: var(--forest-500);
  box-shadow: 0 0 0 3px rgba(74,124,74,0.15);
}

/* ─── Nav ─── */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--forest-500);
  border-radius: 1px;
  transition: width 0.3s;
}
.nav-link:hover::after { width: 100%; }

/* ─── Header scroll state ─── */
#site-header {
  background: transparent;
  transition: background 0.4s, box-shadow 0.4s, padding 0.4s;
}
#site-header.scrolled {
  background: rgba(253,252,250,0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(41,67,41,0.08);
}

/* ─── Mobile Menu ─── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}
.mobile-link {
  transition: color 0.2s;
}
.menu-line { transition: transform 0.3s, opacity 0.3s; }
#menu-btn.active .menu-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#menu-btn.active .menu-line:nth-child(2) { opacity: 0; }
#menu-btn.active .menu-line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); width: 1.5rem; }

/* ─── Service Cards ─── */
.service-card {
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.35s ease;
}
.service-card:hover {
  transform: translateY(-6px);
}

/* ─── Reveal Animations ─── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal-up   { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal-left { opacity: 0; transform: translateX(-32px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal-right{ opacity: 0; transform: translateX(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal-up.revealed,
  .reveal-left.revealed,
  .reveal-right.revealed {
    opacity: 1;
    transform: none;
  }
}

/* ─── Utility ─── */
.no-underline { text-decoration: none; }