/* ─── Base & Reset ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

::selection {
  background-color: #065f46;
  color: #fefce8;
}

/* ─── Header scroll state ──────────────────────────────────── */
#site-header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#site-header.scrolled {
  background: rgba(254, 254, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
}

/* ─── Nav links ────────────────────────────────────────────── */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #065f46;
  transition: width 0.2s ease, left 0.2s ease;
}

.nav-link:hover::after {
  width: 60%;
  left: 20%;
}

/* ─── Service cards ────────────────────────────────────────── */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #065f46, #22c55e);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

/* ─── Process steps ────────────────────────────────────────── */
.process-step {
  opacity: 1;
}

/* ─── Testimonial cards ────────────────────────────────────── */
.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(6, 95, 70, 0.1);
}

/* ─── Scroll-reveal animations (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

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

  .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; }
}

/* ─── Mobile menu animation ────────────────────────────────── */
#mobile-menu {
  animation: slideDown 0.25s ease;
}

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

/* ─── Form focus states ────────────────────────────────────── */
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

/* ─── Responsive adjustments ───────────────────────────────── */
@media (max-width: 640px) {
  .font-serif {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }
}

@media (min-width: 641px) and (max-width: 1023px) {
  .service-card {
    padding: 1.5rem;
  }
}

/* ─── Print styles ─────────────────────────────────────────── */
@media print {
  #site-header,
  #mobile-menu,
  #contact-form {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
  }
}