:root {
  --bg: #efe7d3;
  --bg-soft: #f6f1e6;
  --bg-deep: #113d2b;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.88);
  --text: #203126;
  --muted: #607264;
  --line: rgba(32, 49, 38, 0.12);
  --green: #1c4d36;
  --green-bright: #2f7d55;
  --clay: #af6b3f;
  --gold: #b79b54;
  --shadow: 0 18px 60px rgba(17, 46, 33, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --container: min(1160px, calc(100% - 2rem));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(183, 155, 84, 0.22), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(47, 125, 85, 0.16), transparent 28%),
    linear-gradient(180deg, #f2e7cd 0%, #f8f4ea 34%, #f0eadf 100%);
  line-height: 1.7;
}

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

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

p,
li {
  color: var(--muted);
}

.site-shell {
  position: relative;
  overflow: clip;
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}

.site-shell::before {
  top: -8rem;
  right: -10rem;
  background: rgba(47, 125, 85, 0.18);
}

.site-shell::after {
  bottom: -12rem;
  left: -10rem;
  background: rgba(175, 107, 63, 0.16);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

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

.skip-link:focus {
  width: auto;
  height: auto;
  clip: auto;
  left: 1rem;
  top: 1rem;
  padding: 0.75rem 1rem;
  background: #fff;
  border-radius: 12px;
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 241, 230, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(32, 49, 38, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
}

.brand span {
  display: grid;
}

.brand strong {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--green);
}

.brand small {
  color: var(--muted);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.95rem;
}

.site-nav a {
  position: relative;
  color: var(--text);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--green-bright);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 0;
  border-radius: 50%;
  background: rgba(28, 77, 54, 0.08);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.2rem;
  height: 2px;
  margin: 0.28rem auto;
  background: var(--green);
}

.section,
.hero,
.metrics,
.sub-hero {
  padding: 5.5rem 0;
}

.hero {
  padding-top: 3.5rem;
}

.hero-grid,
.sub-hero-grid,
.split-layout,
.guide-layout,
.faq-layout,
.knowledge-grid,
.footer-grid {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--green-bright);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
  color: var(--text);
  line-height: 1.18;
  font-family: "Noto Serif SC", serif;
}

h1 {
  font-size: clamp(2.7rem, 5.5vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
  font-size: 1.35rem;
}

.hero-lead,
.section-heading p {
  font-size: 1.04rem;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.8rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(28, 77, 54, 0.18);
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-bright) 100%);
}

.button.secondary {
  border-color: rgba(28, 77, 54, 0.18);
  background: rgba(255, 255, 255, 0.7);
  color: var(--green);
}

.text-link {
  color: var(--green-bright);
  font-weight: 700;
}

.hero-points,
.check-list,
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-points li,
.check-list li,
.site-footer li {
  position: relative;
  padding-left: 1.5rem;
}

.hero-points li + li,
.check-list li + li,
.site-footer li + li {
  margin-top: 0.7rem;
}

.hero-points li::before,
.check-list li::before,
.site-footer li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8rem;
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--green-bright));
}

.hero-visual,
.metrics-grid,
.selection-grid,
.authority-grid,
.reviews-grid,
.downloads-grid,
.info-grid,
.faq-list,
.guide-steps {
  display: grid;
  gap: 1.2rem;
}

.hero-card,
.metric,
.story-card,
.selection-card,
.authority-card,
.guide-card,
.review-card,
.knowledge-card,
.download-card,
.info-card,
.cta-card,
.sub-hero-note,
.evidence-panel {
  border: 1px solid rgba(32, 49, 38, 0.08);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-card {
  overflow: hidden;
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card-main {
  min-height: 29rem;
}

.hero-card-main img {
  max-height: 24rem;
}

.hero-card-side {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  min-height: 13rem;
}

.hero-card-content,
.story-card,
.selection-copy,
.download-card,
.guide-card,
.authority-card,
.info-card,
.knowledge-card,
.cta-card,
.sub-hero-note,
.evidence-panel {
  padding: 1.7rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(28, 77, 54, 0.12);
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.badge-soft {
  background: rgba(183, 155, 84, 0.16);
  color: #7c6133;
}

.metrics {
  padding-top: 0;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
  padding: 1.6rem;
}

.metric strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--green);
  font-size: 2rem;
  font-weight: 800;
}

.metric span {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.6));
}

.section-deep {
  color: rgba(255, 255, 255, 0.84);
  background:
    linear-gradient(135deg, rgba(17, 61, 43, 0.96), rgba(23, 90, 61, 0.96)),
    radial-gradient(circle at top left, rgba(183, 155, 84, 0.18), transparent 35%);
}

.section-deep h2,
.section-deep h3,
.light,
.light p,
.light li {
  color: rgba(255, 255, 255, 0.92);
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 2.2rem;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.split-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: start;
}

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

.selection-card {
  overflow: hidden;
}

.selection-card img {
  width: 100%;
  height: 15rem;
  object-fit: cover;
}

.selection-copy dl {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.selection-copy dl div {
  display: grid;
  gap: 0.2rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

dt {
  color: var(--green);
  font-weight: 700;
}

dd {
  margin: 0;
  color: var(--muted);
}

.selection-copy-solo {
  min-height: 100%;
  background:
    radial-gradient(circle at top right, rgba(183, 155, 84, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(247, 242, 231, 0.92));
}

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

.authority-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.authority-card p,
.authority-card a {
  color: rgba(255, 255, 255, 0.8);
}

.authority-card a {
  font-weight: 700;
}

.evidence-panel {
  margin-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.12);
}

.panel-kicker {
  display: inline-block;
  margin-bottom: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guide-layout,
.faq-layout {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

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

.guide-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.7rem;
  height: 2.7rem;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: rgba(28, 77, 54, 0.12);
  color: var(--green);
  font-weight: 800;
}

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

.knowledge-grid > .section-heading {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.review-card {
  margin: 0;
  padding: 1.7rem;
}

.review-card p {
  color: var(--text);
  font-size: 1.08rem;
}

.review-card footer {
  margin-top: 1rem;
  color: var(--green-bright);
  font-weight: 700;
}

.faq-item {
  padding: 0 1.35rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(32, 49, 38, 0.08);
}

.faq-item summary {
  cursor: pointer;
  padding: 1.2rem 0;
  font-weight: 700;
  color: var(--text);
  list-style: none;
}

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

.faq-item p {
  margin: 0 0 1.2rem;
}

.knowledge-card span {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--clay);
  font-weight: 700;
}

.cta-section {
  padding-top: 0;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background:
    linear-gradient(135deg, rgba(28, 77, 54, 0.96), rgba(47, 125, 85, 0.94)),
    radial-gradient(circle at top left, rgba(183, 155, 84, 0.22), transparent 30%);
}

.cta-card h2,
.cta-card p {
  color: rgba(255, 255, 255, 0.92);
}

.site-footer {
  padding: 2.2rem 0 1.4rem;
  background: rgba(14, 35, 25, 0.96);
}

.footer-grid {
  grid-template-columns: 1fr 0.8fr 1.3fr;
  align-items: start;
}

.site-footer h2 {
  margin-bottom: 0.8rem;
  color: #fff;
  font-size: 1.2rem;
}

.site-footer p,
.site-footer a,
.site-footer li {
  color: rgba(255, 255, 255, 0.74);
}

.footer-bottom {
  margin-top: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom.single-line {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  color: var(--muted);
}

.sub-hero {
  padding-top: 3.25rem;
}

.sub-hero-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  align-items: start;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-grid,
  .split-layout,
  .guide-layout,
  .faq-layout,
  .sub-hero-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .metrics-grid,
  .selection-grid,
  .reviews-grid,
  .downloads-grid,
  .info-grid,
  .knowledge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .authority-grid {
    grid-template-columns: 1fr;
  }

  .evidence-panel,
  .cta-card {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 840px) {
  .section,
  .hero,
  .metrics,
  .sub-hero {
    padding: 4.3rem 0;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: start;
    padding: 1rem;
    border-radius: 1.1rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(32, 49, 38, 0.08);
    box-shadow: var(--shadow);
  }

  .site-nav.nav-static {
    position: static;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

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

  .metrics-grid,
  .selection-grid,
  .reviews-grid,
  .downloads-grid,
  .info-grid,
  .knowledge-grid,
  .guide-steps {
    grid-template-columns: 1fr;
  }

  .hero-card-side {
    grid-template-columns: 1fr;
  }

  .hero-card-side img {
    max-height: 16rem;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 1.1rem, 100%);
  }

  .header-inner {
    min-height: 4.6rem;
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .hero-card-main {
    min-height: 24rem;
  }

  .hero-card-main img {
    max-height: 20rem;
  }

  .metric strong {
    font-size: 1.7rem;
  }

  .hero-card-content,
  .story-card,
  .selection-copy,
  .download-card,
  .guide-card,
  .authority-card,
  .info-card,
  .knowledge-card,
  .cta-card,
  .sub-hero-note,
  .evidence-panel {
    padding: 1.3rem;
  }
}