:root {
  --green-50: #ecfdf5;
  --green-100: #d1fae5;
  --green-200: #a7f3d0;
  --green-500: #10b981;
  --green-600: #059669;
  --green-700: #047857;
  --green-800: #065f46;
  --green-900: #064e3b;
  --ink-900: #0a1f17;
  --ink-700: #1f3a2e;
  --ink-500: #4b6358;
  --bg: #ffffff;
  --bg-soft: #f6fbf8;
  --border: rgba(16, 185, 129, 0.16);
  --shadow: 0 24px 70px -28px rgba(6, 95, 70, 0.28);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink-900);
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.12), transparent 34vw),
    linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

.nav-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 24px -12px rgba(6, 95, 70, 0.7);
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand span span { color: var(--green-600); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-700);
  padding: 9px 13px;
  border-radius: 999px;
}

.nav-links a:hover {
  color: var(--green-700);
  background: var(--green-50);
}

.nav-links .primary-link {
  color: #fff;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  box-shadow: 0 12px 28px -16px rgba(6, 95, 70, 0.8);
}

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 70px 0 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--green-200);
  border-radius: 999px;
  background: rgba(236, 253, 245, 0.8);
  color: var(--green-700);
  font-size: 13px;
  font-weight: 800;
}

.hero h1 {
  max-width: 820px;
  margin-top: 18px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.hero p {
  max-width: 760px;
  margin-top: 18px;
  color: var(--ink-500);
  font-size: 18px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink-700);
  font-size: 13px;
  font-weight: 700;
}

.content-wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 70px;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 96px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
  padding: 18px;
}

.toc strong {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green-700);
  margin-bottom: 8px;
}

.toc a {
  display: block;
  text-decoration: none;
  color: var(--ink-700);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 0;
  border-bottom: 1px solid rgba(16, 185, 129, 0.09);
}

.toc a:last-child { border-bottom: 0; }
.toc a:hover { color: var(--green-700); }

.doc-card {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 46px);
}

.doc-card section {
  padding: 28px 0;
  border-bottom: 1px solid rgba(16, 185, 129, 0.12);
}

.doc-card section:first-child { padding-top: 0; }
.doc-card section:last-child { border-bottom: 0; padding-bottom: 0; }

.doc-card h2 {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin-bottom: 12px;
}

.doc-card h3 {
  font-size: 18px;
  margin: 18px 0 8px;
}

.doc-card p,
.doc-card li {
  color: var(--ink-500);
  font-size: 15.5px;
}

.doc-card p + p { margin-top: 12px; }
.doc-card ul, .doc-card ol { padding-left: 20px; margin-top: 10px; }
.doc-card li + li { margin-top: 8px; }

.note {
  border: 1px solid var(--green-200);
  border-radius: 18px;
  background: var(--green-50);
  padding: 16px;
  color: var(--ink-700);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.contact-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  padding: 18px;
}

.contact-card strong {
  display: block;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.contact-card a {
  color: var(--green-700);
  font-weight: 800;
  text-decoration: none;
  word-break: break-word;
}

.contact-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: var(--ink-700);
  margin-bottom: 7px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--ink-900);
  font: inherit;
  padding: 12px 14px;
  outline: none;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.11);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.btn.secondary {
  background: #fff;
  color: var(--green-700);
  border: 1px solid var(--border);
}

.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--ink-500);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: var(--ink-700);
  text-decoration: none;
  font-weight: 700;
}

.footer-links a:hover { color: var(--green-700); }

@media (max-width: 840px) {
  .nav-inner { min-height: 66px; }
  .nav-links a:not(.primary-link) { display: none; }
  .hero { padding-top: 46px; }
  .content-wrap {
    grid-template-columns: 1fr;
    margin-bottom: 46px;
  }
  .toc {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 14px;
  }
  .toc strong { grid-column: 1 / -1; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav-inner,
  .hero,
  .content-wrap,
  .footer-inner { width: min(100% - 24px, 1120px); }
  .brand span { font-size: 15px; }
  .nav-links .primary-link { padding: 9px 12px; font-size: 13px; }
  .hero h1 { font-size: 38px; }
  .hero p { font-size: 16px; }
  .toc { grid-template-columns: 1fr; }
  .doc-card { border-radius: 20px; }
  .button-row .btn { width: 100%; }
}