:root {
  --font-display: "Lora", Georgia, serif;
  --font-body: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --colour-ink: #17231c;
  --colour-muted: #5f6f64;
  --colour-green: #315f43;
  --colour-green-dark: #203f2d;
  --colour-leaf: #6f9a6f;
  --colour-moss: #dfe9d5;
  --colour-cream: #f7f3e8;
  --colour-paper: #fffaf0;
  --colour-gold: #c79b52;
  --colour-sky: #dcebe8;
  --colour-white: #ffffff;

  --space-xs: 0.5rem;
  --space-sm: 0.875rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;

  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 36px;
  --radius-xl: 44px;

  --shadow-soft: 0 24px 70px rgba(23, 35, 28, 0.14);
  --shadow-card: 0 14px 42px rgba(23, 35, 28, 0.06);

  --max-width: 1180px;
  --nav-height: 76px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--colour-ink);
  background:
    radial-gradient(circle at top left, rgba(111,154,111,.22), transparent 34rem),
    linear-gradient(180deg, var(--colour-cream), #eef3e7 58%, #f8f4eb);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }

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

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.055em;
}

h3,
h4,
p {
  font-family: var(--font-body);
}

p { color: var(--colour-muted); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 58px 0; }

.section__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 26px;
}

.section__title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: .98;
  max-width: 760px;
}

.section__intro {
  margin: 0;
  max-width: 430px;
  font-size: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 13px 20px;
  font-family: var(--font-body);
  font-weight: 800;
  background: var(--colour-green);
  color: white;
  box-shadow: 0 14px 36px rgba(49,95,67,.25);
  border: 1px solid rgba(255,255,255,.2);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover {
  transform: translateY(-1px);
  background: var(--colour-green-dark);
  box-shadow: 0 18px 42px rgba(49,95,67,.28);
}

.button--secondary {
  background: rgba(255,255,255,.58);
  color: var(--colour-green);
  border: 1px solid rgba(49,95,67,.18);
  box-shadow: none;
}

.button--secondary:hover {
  background: rgba(255,255,255,.8);
  color: var(--colour-green-dark);
  box-shadow: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(247, 243, 232, 0.78);
  border-bottom: 1px solid rgba(49,95,67,.12);
}

.site-nav {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
  letter-spacing: -0.04em;
  font-size: 1.15rem;
}

.brand__mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--colour-green);
  color: var(--colour-paper);
  box-shadow: 0 10px 30px rgba(49,95,67,.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--colour-muted);
  font-size: .94rem;
  font-weight: 650;
}

.nav-links a:hover { color: var(--colour-green); }

.card {
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 250, 240, .72);
  border: 1px solid rgba(49,95,67,.13);
  box-shadow: var(--shadow-card);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .section__header { display: block; }
  .section__intro { margin-top: 12px; }
}

@media (max-width: 560px) {
  .container { padding: 0 17px; }
  .site-nav { min-height: 68px; }
  .brand__mark { width: 38px; height: 38px; }
  .button { padding: 12px 16px; }
}