:root {
  --green-950: #10241a;
  --green-900: #163828;
  --green-800: #1f4a35;
  --green-700: #2c6146;
  --green-600: #3c7d5c;
  --cream-50: #faf7f0;
  --cream-100: #f3ede0;
  --cream-200: #e9dfc9;
  --gold-300: #d9b876;
  --gold-500: #b98b3e;
  --gold-600: #9c7130;
  --gold-700: #7a5a24;
  --ink: #1c2320;
  --ink-soft: #4a5650;
  --white: #ffffff;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-soft: 0 20px 50px -25px rgba(16, 36, 26, 0.35);
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.icon-plant { display: block; flex-shrink: 0; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-narrow { max-width: 760px; }

h1, h2, h3 {
  font-family: var(--font-serif);
  color: var(--green-950);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--green-700); text-decoration-color: rgba(44,97,70,0.35); }
a:hover { color: var(--green-800); }

:focus-visible {
  outline: 2.5px solid var(--gold-600);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--green-900);
  color: var(--white);
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold-700);
  margin: 0 0 0.9em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 100%;
  min-width: 0;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--green-800);
  color: var(--white);
  padding: 12px 22px;
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--green-900); color: var(--white); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--green-900);
  padding: 12px 22px;
  border: 1.5px solid var(--green-800);
}
.btn-ghost:hover { background: var(--green-900); color: var(--white); }
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-nav-cta { padding: 10px 18px; font-size: 0.92rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 240, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cream-200);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
}
.brand-mark { font-size: 1.4rem; }
.brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--green-950);
}
.brand-name em { font-style: normal; color: var(--gold-600); }

.site-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--green-800); }

@media (max-width: 780px) {
  .site-nav { display: none; }
}

@media (max-width: 480px) {
  .header-inner { flex-wrap: wrap; row-gap: 12px; }
  .brand { flex: 1 1 100%; }
  .btn-nav-cta { margin-left: auto; }
}

/* Hero */
.hero {
  padding: 64px 0 80px;
  background:
    radial-gradient(600px 300px at 85% -10%, rgba(60,125,92,0.18), transparent 70%),
    linear-gradient(180deg, var(--cream-50), var(--cream-100));
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
}
.hero-copy .lede { font-size: 1.1rem; max-width: 54ch; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 22px;
}
.hero-trust {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.hero-trust li { display: flex; align-items: center; gap: 6px; }

.hero-art {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.hero-art-card {
  background: var(--white);
  border: 1px solid var(--cream-200);
  border-radius: var(--radius-lg);
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hero-art-card .icon-plant { width: 42px; height: 42px; color: var(--green-800); }
.hero-art-label { font-family: var(--font-serif); font-weight: 600; color: var(--green-900); }

/* Sections */
.section { padding: 76px 0; }
.section-alt { background: var(--cream-100); }
.section-intro { max-width: 62ch; font-size: 1.02rem; }
.section-cta { margin-top: 40px; }

/* Species grid */
.species-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
}
@media (max-width: 980px) {
  .species-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .species-grid { grid-template-columns: 1fr; }
}
.species-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--cream-200);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.species-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.species-visual {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--cream-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.species-visual .icon-plant { width: 30px; height: 30px; color: var(--green-800); }
.species-card-more {
  margin-top: 22px;
  background: var(--green-950);
  border-color: var(--green-950);
  display: flex;
  align-items: center;
  gap: 22px;
}
.species-card-more h3, .species-card-more p { color: var(--cream-100); }
.species-card-more h3 { margin-bottom: 6px; }
.species-card-more p { margin: 0; max-width: 56ch; }
.species-card-more .species-visual { background: rgba(255,255,255,0.1); flex-shrink: 0; margin-bottom: 0; }
.species-card-more .icon-plant { color: var(--cream-100); }

@media (max-width: 560px) {
  .species-card-more { flex-direction: column; align-items: flex-start; text-align: left; }
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 32px;
}
@media (max-width: 620px) {
  .benefits-grid { grid-template-columns: 1fr; }
}
.benefit h3 { color: var(--gold-700); font-size: 1.05rem; }

/* Steps */
.steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.steps li { display: flex; gap: 18px; align-items: flex-start; }
.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green-800);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
}
.steps h3 { margin-bottom: 4px; }
.steps p { margin: 0; }

/* FAQ */
.faq-list { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--cream-200);
  border-radius: var(--radius-md);
  padding: 6px 22px;
}
.faq-item summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 600;
  font-family: var(--font-serif);
  color: var(--green-950);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--gold-700);
  margin-left: 12px;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding-bottom: 18px; margin: 0; }

/* CTA final */
.cta-final {
  padding: 88px 0;
  text-align: center;
  background: linear-gradient(160deg, var(--green-950), var(--green-800));
  color: var(--cream-50);
}
.cta-final h2 { color: var(--white); }
.cta-final p { color: rgba(250,247,240,0.85); max-width: 50ch; margin-left: auto; margin-right: auto; }
.cta-final .btn-primary { margin-top: 12px; background: var(--gold-500); color: var(--ink); }
.cta-final .btn-primary:hover { background: var(--gold-300); color: var(--ink); }

/* Footer */
.site-footer { background: var(--green-950); color: rgba(250,247,240,0.75); padding-top: 56px; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand .brand-name { color: var(--cream-50); }
.footer-brand p { color: rgba(250,247,240,0.65); margin-top: 10px; max-width: 32ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 18px 26px; align-content: flex-start; }
.footer-nav a { color: rgba(250,247,240,0.8); text-decoration: none; font-size: 0.94rem; }
.footer-nav a:hover { color: var(--white); }
.footer-bottom { padding: 22px 24px 28px; font-size: 0.85rem; color: rgba(250,247,240,0.55); }