:root {
  --brand: #2e7d32; /* fern green */
  --brand-ink: #1b5e20;
  --bg: #ffffff;
  --surface: #f5f7f7;
  --ink: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --ring: rgba(46, 125, 50, 0.35);
  --shadow: 0 10px 30px rgba(0,0,0,0.05);
}

* { box-sizing: border-box; }
html:focus-within { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
.container { width: min(1100px, 92%); margin: 0 auto; }

/* Utilities */
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: inherit; font-weight: 600; }
.brand-mark { filter: drop-shadow(0 1px 0 rgba(0,0,0,.05)); }
.brand-name { letter-spacing: .2px; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--border); padding: .5rem; border-radius: .75rem;
}
.nav-toggle:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
.nav ul { display: flex; list-style: none; gap: 1rem; margin: 0; padding: 0; }
.nav a { text-decoration: none; color: inherit; padding: .5rem .75rem; border-radius: .5rem; }
.nav a[aria-current="page"], .nav a.is-active { color: var(--brand-ink); background: var(--surface); }

@media (max-width: 840px) {
  .nav-toggle { display: inline-flex; }
  .nav { position: absolute; right: 0; top: 65px; background: #fff; border: 1px solid var(--border); border-radius: .75rem; box-shadow: var(--shadow); padding: .5rem; display: none; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; min-width: 200px; }
}

/* Hero */
.hero { padding: 4rem 0 2rem; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 3rem; }
.hero h1 { font-size: clamp(2rem, 3.2vw + 1rem, 3rem); line-height: 1.15; margin: 0 0 .75rem; }
.hero .trust { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .5rem 1rem; padding: 0; list-style: none; margin: 1rem 0 0; color: var(--muted); }
.hero-media { justify-self: end; }
@media (max-width: 960px) { .hero-inner { grid-template-columns: 1fr; } .hero-media { justify-self: start; } }

/* Sections */
.section { padding: 2rem 0; }
.section-head { margin-bottom: 1rem; }
.page-header { padding: 2.5rem 0 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.page-header h1 { margin-bottom: .25rem; }

/* Cards & grids */
.grid { display: grid; gap: 1rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.two-col { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .cards-3, .two-col { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 1rem; padding: 1rem; box-shadow: var(--shadow);
}
.price { font-weight: 600; margin-top: .5rem; }
.list { padding-left: 1.2rem; }

/* Buttons & links */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .65rem 1rem; border-radius: .75rem;
  border: 1px solid var(--border); background: #fff; color: inherit; text-decoration: none; font-weight: 500;
}
.btn:hover { border-color: #d1d5db; }
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { filter: brightness(0.96); }
.link-arrow { text-decoration: none; color: var(--brand-ink); font-weight: 600; }

/* CTA */
.cta { padding: 2rem 0; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.cta-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
@media (max-width: 840px) { .cta-inner { flex-direction: column; align-items: start; } }

/* Portfolio */
.filterbar { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.chip { background: #fff; border: 1px solid var(--border); padding: .4rem .8rem; border-radius: 999px; cursor: pointer; }
.chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }
.portfolio-grid { grid-template-columns: repeat(3, 1fr); }
.portfolio-card { background: #fff; border: 1px solid var(--border); border-radius: .75rem; overflow: hidden; box-shadow: var(--shadow); }
.portfolio-card figcaption { padding: .75rem; }

@media (max-width: 1024px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* Forms */
.form .field { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: .35rem; }
input[type="text"], input[type="email"], textarea {
  width: 100%; padding: .65rem .75rem; border-radius: .6rem; border: 1px solid var(--border);
  background: #fff; font: inherit; color: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring); }
.checkbox { display: inline-flex; align-items: center; gap: .5rem; }
.error { color: #b91c1c; min-height: 1.2em; display: block; }
.actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #fff; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; padding: 1.25rem 0; }
.footer-bottom { padding: .75rem 0; border-top: 1px solid var(--border); }
.footer-title { margin: 0 0 .5rem; font-size: 1rem; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .25rem; }
.footer-brand { display: flex; align-items: center; gap: .5rem; margin-bottom: .25rem; }

@media (max-width: 840px) { .footer-grid { grid-template-columns: 1fr; } }

/* Motion prefs */
@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
}

/* Selection */
::selection { background: rgba(46,125,50,.2); }