:root {
  --green-900: #14311f;
  --green-700: #1f5134;
  --green-600: #2b6b45;
  --green-500: #3d8b5b;
  --lime: #b9d98a;
  --sand: #f4f1e8;
  --sand-2: #ece7d8;
  --ink: #1c1f1a;
  --ink-soft: #4a4f45;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 18px 40px -20px rgba(20, 49, 31, 0.35);
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--sand);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }

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

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 241, 232, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(20, 49, 31, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.logo-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  box-shadow: inset 0 0 0 3px rgba(185, 217, 138, 0.6);
}
.logo-text { font-size: 1.05rem; }
.logo-accent { color: var(--green-600); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: 0.92rem; color: var(--ink-soft); font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--green-700); }
.nav-cta {
  background: var(--green-700); color: var(--white) !important;
  padding: 8px 16px; border-radius: 999px;
}
.nav-cta:hover { background: var(--green-600); }

/* HERO */
.hero {
  padding: 72px 0 80px;
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(185, 217, 138, 0.35), transparent 60%),
    linear-gradient(180deg, var(--sand) 0%, var(--sand-2) 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.eyebrow, .section-eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.75rem;
  font-weight: 600; color: var(--green-600); margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 20px; }
.hl { color: var(--green-600); }
.lead { font-size: 1.14rem; color: var(--ink-soft); max-width: 34ch; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.hero-note { font-size: 0.88rem; color: var(--ink-soft); }

.btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green-700); color: var(--white); box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--green-600); }
.btn-ghost { background: transparent; color: var(--green-700); box-shadow: inset 0 0 0 1.5px rgba(31, 81, 52, 0.35); }
.btn-ghost:hover { background: rgba(31, 81, 52, 0.06); }

.hero-visual { position: relative; }
.hero-visual img {
  width: 100%; height: auto; display: block;
  filter: drop-shadow(0 30px 40px rgba(20, 49, 31, 0.22));
}
.hero-badge {
  position: absolute; bottom: 8px; left: 8px;
  background: var(--green-900); color: var(--lime);
  font-size: 0.78rem; font-weight: 600;
  padding: 7px 14px; border-radius: 999px;
}

/* SECTIONS */
.section { padding: 88px 0; }
.section-alt { background: var(--sand-2); }
.section-title { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 40px; max-width: 20ch; }
.section-alt .section-title, .section .section-title { color: var(--green-900); }

/* STEPS */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step {
  background: var(--white); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: 0 10px 30px -22px rgba(20, 49, 31, 0.4);
  border: 1px solid rgba(20, 49, 31, 0.06);
}
.step-num { font-family: 'Fraunces', serif; font-size: 1.6rem; color: var(--lime); background: var(--green-700); width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; margin-bottom: 18px; }
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { color: var(--ink-soft); font-size: 0.96rem; }

/* SPLIT */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.split-copy .section-title { margin-bottom: 22px; }
.split-copy p { color: var(--ink-soft); margin-bottom: 16px; }
.facts { list-style: none; display: grid; gap: 14px; }
.facts li {
  background: var(--white); border-radius: 14px; padding: 18px 20px;
  border-left: 4px solid var(--green-500);
  box-shadow: 0 10px 30px -24px rgba(20, 49, 31, 0.4);
}
.facts strong { display: block; color: var(--green-900); font-size: 1.02rem; }
.facts span { color: var(--ink-soft); font-size: 0.9rem; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: var(--white); border-radius: var(--radius); padding: 28px 24px;
  border: 1px solid rgba(20, 49, 31, 0.06);
  box-shadow: 0 10px 30px -24px rgba(20, 49, 31, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(185, 217, 138, 0.35); color: var(--green-700);
  font-size: 1.4rem; font-weight: 700; margin-bottom: 16px;
}
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: 0.92rem; }

/* USES */
.uses { display: flex; flex-wrap: wrap; gap: 12px; }
.tag {
  background: var(--white); color: var(--green-900);
  padding: 11px 20px; border-radius: 999px; font-weight: 500; font-size: 0.95rem;
  border: 1px solid rgba(31, 81, 52, 0.15);
}

/* ABOUT */
.about { max-width: 780px; }
.about-lead { font-size: 1.15rem; color: var(--ink-soft); }

/* CONTACT */
.section-dark {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: var(--white); text-align: center;
}
.section-dark .section-title { color: var(--white); margin: 0 auto 14px; }
.contact p { color: rgba(255, 255, 255, 0.82); max-width: 46ch; margin: 0 auto 28px; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.section-dark .btn-ghost { color: var(--white); box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.4); }
.section-dark .btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

/* FOOTER */
.site-footer { background: var(--green-900); color: rgba(255, 255, 255, 0.7); padding: 26px 0; font-size: 0.85rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-muted { color: rgba(255, 255, 255, 0.45); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { order: -1; max-width: 460px; }
  .steps { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .nav a:not(.nav-cta) { display: none; }
}
@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero { padding: 48px 0 56px; }
}