:root {
  color-scheme: light;
  --ink: #101828;
  --muted: #52606f;
  --line: #d7e2da;
  --paper: #ffffff;
  --wash: #f2f8f4;
  --brand: #16794a;
  --brand-strong: #0d5b36;
  --accent: #4bdf7f;
  --dark: #171717;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 4%, rgba(75, 223, 127, 0.16), transparent 28rem),
    linear-gradient(180deg, #fbfefc 0%, var(--wash) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.68;
}

a { color: var(--brand-strong); text-underline-offset: 0.18em; }
a:hover { color: var(--brand); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(215, 226, 218, 0.9);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(14px);
}

.nav,
.page,
.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #072f1b;
  background: var(--accent);
  font-size: 19px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a[aria-current="page"] { color: var(--brand-strong); }

.page { padding: 64px 0 88px; }

.hero {
  padding: 48px;
  border: 1px solid rgba(22, 121, 74, 0.17);
  border-radius: 30px;
  background: linear-gradient(135deg, #fff 0%, #f4fff7 62%, #e7fcec 100%);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.18; letter-spacing: -0.035em; }
h1 { max-width: 820px; margin: 0; font-size: clamp(2.35rem, 6vw, 4.7rem); }
h2 { margin: 0 0 14px; font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { margin: 0 0 8px; font-size: 1.12rem; }

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 0.92rem;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 19px;
  border: 1px solid var(--brand-strong);
  border-radius: 999px;
  color: #fff;
  background: var(--brand-strong);
  font-weight: 750;
  text-decoration: none;
}

.button.secondary { color: var(--brand-strong); background: #fff; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card,
.section,
.form-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.045);
}

.card {
  min-height: 190px;
  padding: 26px;
  border-radius: var(--radius);
}

.card p { margin: 8px 0 20px; color: var(--muted); }
.card a { font-weight: 750; }

.content-layout {
  display: grid;
  grid-template-columns: 235px minmax(0, 1fr);
  align-items: start;
  gap: 28px;
  margin-top: 30px;
}

.toc {
  position: sticky;
  top: 96px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.85);
}

.toc strong { display: block; margin-bottom: 10px; }
.toc a { display: block; padding: 5px 0; color: var(--muted); font-size: 0.9rem; text-decoration: none; }

.content { display: grid; gap: 18px; }

.section,
.form-card {
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius);
}

.section p:last-child,
.section ul:last-child { margin-bottom: 0; }
.section p,
.section li { color: #344054; }
.section li + li { margin-top: 8px; }

.notice {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: #ecfff2;
  color: #17452d;
}

.steps { counter-reset: step; padding: 0; list-style: none; }
.steps li { position: relative; min-height: 48px; padding: 0 0 20px 58px; }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #072f1b;
  background: var(--accent);
  font-weight: 850;
}

form { display: grid; gap: 18px; }
.field { display: grid; gap: 7px; }
label { font-weight: 720; }
input, select, textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #aebdb3;
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 3px solid rgba(75, 223, 127, 0.35);
  border-color: var(--brand);
}
.help { margin: 0; color: var(--muted); font-size: 0.88rem; }
.check { display: grid; grid-template-columns: 22px 1fr; align-items: start; gap: 10px; }
.check input { width: 20px; min-height: 20px; margin-top: 4px; }
button { cursor: pointer; border: 0; font: inherit; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--dark);
  color: #e5e7eb;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0;
}

.footer-inner p { margin: 0; color: #aeb6c2; }
.footer-inner a { color: #c9fbd9; }

@media (max-width: 820px) {
  .nav { align-items: flex-start; padding: 17px 0; }
  .nav-links { justify-content: flex-end; gap: 10px 14px; }
  .grid { grid-template-columns: 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  .hero { padding: 34px 26px; }
}

@media (max-width: 560px) {
  .nav { display: grid; }
  .nav-links { justify-content: flex-start; }
  .page { padding-top: 34px; }
  .footer-inner { display: grid; }
}