*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #1a3a2a;
  --green-mid: #2c5c40;
  --green-accent: #3d7a56;
  --green-light: #e8f0eb;
  --black: #0e0e0e;
  --off-white: #f7f5f0;
  --mid-grey: #888;
  --border: #d8d8d4;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--off-white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--off-white);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--green);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.nav-links a:hover, .nav-links a.active { opacity: 1; }

/* ── SHARED LAYOUT ── */
section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--green);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.section-body {
  font-size: 1rem;
  color: #555;
  max-width: 58ch;
  line-height: 1.8;
  font-weight: 300;
}

hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 2rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover { background: var(--green-mid); }

.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1.5px solid var(--green);
  margin-left: 1rem;
}

.btn-outline:hover { background: var(--green-light); }

/* ── FOOTER ── */
footer {
  background: var(--green);
  color: rgba(255,255,255,0.6);
  padding: 2.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

footer .footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: #fff;
}

footer a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover { color: #fff; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  nav { padding: 0 1rem; }
  .nav-links { gap: 1.25rem; }
  section { padding: 3rem 1rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}