:root {
  --color-primary: #14532d;
  --color-primary-dark: #0d3b20;
  --color-accent: #f59e0b;
  --color-bg: #f7faf8;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #4b5563;
  --color-border: #d1d5db;
  --color-danger: #b91c1c;
  --font-sans: Arial, Helvetica, sans-serif;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.875rem;
  --text-3xl: 2.5rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --radius: 14px;
  --shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-primary-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.12em;
}

a:hover {
  color: var(--color-primary);
}

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid #1d4ed8;
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
  z-index: 2000;
  background: var(--color-surface);
  padding: var(--space-sm) var(--space-md);
  border-radius: 8px;
}

#placeholder-warning {
  background: #ff4444;
  color: #fff;
  padding: 12px;
  text-align: center;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.top-strip {
  background: #ecfdf5;
  border-bottom: 1px solid #cce6d7;
  font-size: var(--text-sm);
}

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.top-strip .container,
.nav-wrap,
.hero,
.grid,
.footer-grid,
.article-layout,
.meta-row,
.contact-grid,
.policy-grid,
.cards,
.service-grid,
.faq-grid,
.summary-grid {
  display: grid;
  gap: var(--space-lg);
}

.top-strip .container {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 0.7rem 0;
}

.top-strip p {
  margin: 0;
}

.nav-wrap {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  width: 44px;
  height: 44px;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
}

.site-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.nav-cta,
.button-primary {
  background: var(--color-primary);
  color: #fff;
}

.button-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.hero-section,
.page-hero,
.section,
.article-section {
  padding: var(--space-2xl) 0;
}

.hero {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
}

.eyebrow,
.kicker {
  display: inline-block;
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
  color: #111827;
}

h1 {
  font-size: clamp(2rem, 5vw, var(--text-3xl));
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, var(--text-2xl));
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.15rem, 2.3vw, var(--text-xl));
  margin-bottom: 0.75rem;
}

p,
li,
td,
th {
  color: var(--color-text);
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-muted);
}

.small-note,
.meta-note {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.hero-card,
.card,
.faq-item,
.info-box,
.quote-box,
.table-wrap,
.toc-box,
.policy-box,
.contact-card,
.footer-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card,
.card,
.faq-item,
.info-box,
.policy-box,
.contact-card,
.footer-card {
  padding: 1.25rem;
}

.hero-card ul,
.card ul,
.info-box ul,
.policy-box ul {
  padding-left: 1.2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards,
.service-grid,
.faq-grid,
.summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.chip-row,
.meta-list,
.breadcrumb,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.chip,
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--color-primary-dark);
  padding: 0.4rem 0.8rem;
  font-size: var(--text-sm);
  font-weight: 700;
}

.breadcrumb {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  font-size: var(--text-sm);
}

.breadcrumb a {
  text-decoration: none;
}

.section-intro {
  max-width: 760px;
  margin-bottom: var(--space-xl);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin-bottom: 0;
}

.notice {
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
}

.content-boundary {
  background: #fff7ed;
  border: 1px solid #fdba74;
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

.table-wrap {
  overflow-x: auto;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  border-bottom: 1px solid var(--color-border);
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f8fafc;
}

.quote-box {
  padding: 1.2rem 1.5rem;
  border-left: 5px solid var(--color-primary);
  margin: 1.5rem 0;
}

.meta-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1rem 0 2rem;
}

.meta-pill {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 12px;
  padding: 0.8rem;
}

.article-layout {
  grid-template-columns: minmax(0, 2.1fr) minmax(260px, 0.9fr);
  align-items: start;
}

.article-content h2,
.article-content h3 {
  scroll-margin-top: 90px;
}

.article-content p {
  margin: 0 0 1rem;
}

.article-content ul,
.article-content ol {
  padding-left: 1.3rem;
  margin: 0 0 1.25rem;
}

.toc-box {
  position: sticky;
  top: 96px;
  padding: 1rem 1.1rem;
}

.toc-box nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-box nav li + li {
  margin-top: 0.65rem;
}

.toc-box a {
  text-decoration: none;
}

.contact-grid {
  grid-template-columns: 0.95fr 1.05fr;
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  margin-bottom: 1rem;
}

.form-help {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}

.site-footer {
  padding: var(--space-2xl) 0 1rem;
  border-top: 1px solid var(--color-border);
  background: #f3f8f4;
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  margin-bottom: var(--space-xl);
}

.footer-links,
.list-clean {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li + li,
.list-clean li + li {
  margin-top: 0.55rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--text-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .nav-wrap,
  .hero,
  .cards,
  .service-grid,
  .faq-grid,
  .summary-grid,
  .footer-grid,
  .article-layout,
  .contact-grid,
  .meta-row,
  .top-strip .container {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 1rem;
  }

  .nav-cta {
    display: none;
  }

  .toc-box {
    position: static;
  }
}

/* === Product Cards === */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.1);
}

.product-card h3 {
  font-size: 1.1rem;
  margin: 0;
  color: #111827;
}

.product-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: 0;
  flex: 1;
}

.product-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 0;
}

.product-price::before {
  content: '';
}

.product-card .button {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}