:root {
  --ink: #1f2923;
  --muted: #667069;
  --paper: #f7f4ed;
  --paper-strong: #efe9de;
  --white: #fffdf9;
  --forest: #244b39;
  --forest-dark: #173428;
  --forest-soft: #dfe9e2;
  --wood: #ae7448;
  --wood-dark: #85502f;
  --line: rgba(31, 41, 35, 0.13);
  --warning: #f4dfbe;
  --shadow: 0 24px 70px rgba(35, 44, 38, 0.11);
  --radius: 28px;
  --radius-sm: 16px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  display: block;
  width: 100%;
  height: auto;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(174, 116, 72, 0.55);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: white;
  background: var(--forest-dark);
  border-radius: 10px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 40px), 840px);
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--wood-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  content: "";
  background: currentColor;
}

.section {
  padding: 104px 0;
}

.section-compact {
  padding: 72px 0;
}

.section-dark {
  color: white;
  background:
    radial-gradient(circle at 85% 10%, rgba(174, 116, 72, 0.28), transparent 35%),
    var(--forest-dark);
}

.section-dark .eyebrow {
  color: #e4bd95;
}

.section-soft {
  background: var(--paper-strong);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 480px);
  gap: 48px;
  align-items: end;
  margin-bottom: 48px;
}

.section-head > :last-child {
  justify-self: end;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(44px, 6.2vw, 82px);
}

h2 {
  font-size: clamp(34px, 4.4vw, 58px);
}

h3 {
  font-size: 24px;
}

p {
  margin: 0 0 1em;
}

.lead {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.75;
}

.text-muted {
  color: var(--muted);
}

.text-small {
  font-size: 13px;
}

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

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  color: white;
  background: var(--forest);
  border: 1px solid var(--forest);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  transition: 180ms ease;
}

.button:hover {
  background: var(--forest-dark);
  border-color: var(--forest-dark);
  transform: translateY(-2px);
}

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

.button-secondary:hover {
  color: white;
}

.button-light {
  color: var(--forest-dark);
  background: white;
  border-color: white;
}

.button-light:hover {
  color: white;
  background: var(--wood);
  border-color: var(--wood);
}

.icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.topbar {
  color: rgba(255, 255, 255, 0.88);
  background: var(--forest-dark);
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-list {
  display: flex;
  gap: 22px;
}

.topbar strong {
  color: white;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(247, 244, 237, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 12px 30px rgba(35, 44, 38, 0.06);
}

.nav-wrap {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: white;
  background: var(--forest);
  border-radius: 13px 5px 13px 5px;
  font-family: "Songti SC", serif;
  font-size: 26px;
  font-weight: 800;
}

.brand-copy {
  line-height: 1.18;
}

.brand-copy strong {
  display: block;
  font-size: 18px;
  letter-spacing: 0.06em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a:not(.button) {
  position: relative;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--wood);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: white;
  background: var(--forest-dark);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(12, 30, 22, 0.96) 0%, rgba(12, 30, 22, 0.8) 37%, rgba(12, 30, 22, 0.12) 72%),
    url("./images/hero-home.jpg") center/cover;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 180px;
  content: "";
  background: linear-gradient(transparent, rgba(12, 30, 22, 0.3));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 720px;
  grid-template-columns: minmax(0, 750px) 1fr;
  align-items: center;
  padding: 100px 0 130px;
}

.hero .eyebrow {
  color: #e2b98e;
}

.hero h1 {
  font-size: clamp(44px, 5.2vw, 66px);
}

.hero h1 span {
  color: #edc9a4;
}

.hero-copy {
  max-width: 720px;
}

.hero-lead {
  max-width: 560px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(17px, 1.7vw, 21px);
}

.hero .button-secondary {
  color: white;
  border-color: rgba(255, 255, 255, 0.28);
}

.hero .button-secondary:hover {
  border-color: white;
}

.hero-facts {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
}

.hero-facts-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 0;
  background: rgba(17, 45, 32, 0.78);
  backdrop-filter: blur(14px);
}

.hero-fact {
  padding: 22px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-fact:last-child {
  border-right: 0;
}

.hero-fact strong {
  display: block;
  margin-bottom: 3px;
  font-family: "Songti SC", serif;
  font-size: 28px;
}

.hero-fact span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.answer-box {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 42px;
  padding: 38px 44px;
  margin-top: -24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.answer-label {
  color: var(--wood-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.answer-box p {
  margin: 0;
  font-family: "Songti SC", serif;
  font-size: clamp(20px, 2.5vw, 29px);
  line-height: 1.55;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric {
  min-height: 190px;
  padding: 30px;
  background: var(--white);
}

.metric strong {
  display: block;
  margin-bottom: 14px;
  color: var(--forest);
  font-family: "Songti SC", serif;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1;
}

.metric span {
  color: var(--muted);
  font-size: 14px;
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: 220ms ease;
}

.card:hover {
  box-shadow: 0 20px 50px rgba(35, 44, 38, 0.08);
  transform: translateY(-5px);
}

.card-body {
  padding: 30px;
}

.card-kicker {
  display: block;
  margin-bottom: 14px;
  color: var(--wood-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.card h3 {
  margin-bottom: 14px;
}

.card p {
  color: var(--muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  color: var(--forest);
  font-weight: 800;
}

.card-link::after {
  content: "→";
  transition: transform 180ms ease;
}

.card-link:hover::after {
  transform: translateX(5px);
}

.image-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.image-caption {
  padding: 10px 14px;
  color: var(--muted);
  background: #f0ece4;
  font-size: 12px;
  text-align: right;
}

.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.offer {
  position: relative;
  padding: 42px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.offer::after {
  position: absolute;
  right: -42px;
  bottom: -58px;
  width: 170px;
  height: 170px;
  content: "";
  background: var(--forest-soft);
  border-radius: 50%;
}

.offer-price {
  margin: 18px 0;
  color: var(--forest);
  font-family: "Songti SC", serif;
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
}

.offer-price small {
  font-family: inherit;
  font-size: 18px;
}

.check-list,
.plain-list {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 8px 0 8px 30px;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  position: absolute;
  top: 9px;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: white;
  content: "✓";
  background: var(--forest);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.proof-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.proof-number {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: white;
  background: var(--forest);
  border-radius: 16px 6px 16px 6px;
  font-family: "Songti SC", serif;
  font-size: 22px;
  font-weight: 800;
}

.proof-item h3 {
  margin-bottom: 6px;
  font-size: 20px;
}

.proof-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.split-media {
  position: relative;
}

.split-media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.float-note {
  position: absolute;
  right: -24px;
  bottom: -28px;
  width: min(280px, 70%);
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.float-note strong {
  display: block;
  color: var(--forest);
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step;
}

.step {
  min-height: 210px;
  padding: 26px;
  color: white;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  counter-increment: step;
}

.step::before {
  display: block;
  margin-bottom: 48px;
  color: #e4bd95;
  content: "0" counter(step);
  font-family: "Songti SC", serif;
  font-size: 28px;
  font-weight: 800;
}

.step strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.step span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.community-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 30px 0;
  list-style: none;
}

.community-list li {
  padding: 10px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
}

.fact-note {
  padding: 22px 24px;
  color: #62441f;
  background: var(--warning);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: grid;
  width: 100%;
  grid-template-columns: 1fr 32px;
  gap: 20px;
  align-items: center;
  padding: 26px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  font-family: "Songti SC", serif;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 700;
  text-align: left;
}

.faq-icon {
  position: relative;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.faq-icon::before,
.faq-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1px;
  content: "";
  background: var(--forest);
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 180ms ease;
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-answer {
  max-width: 850px;
  padding: 0 52px 26px 0;
  color: var(--muted);
}

.js .faq-answer[hidden] {
  display: none;
}

.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 52px;
  color: white;
  background:
    linear-gradient(120deg, rgba(36, 75, 57, 0.96), rgba(23, 52, 40, 0.94)),
    url("./images/hero-home.jpg") center/cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cta-panel h2 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 52px);
}

.cta-panel p {
  max-width: 700px;
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.page-hero {
  padding: 100px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 20%, rgba(174, 116, 72, 0.2), transparent 28%),
    var(--paper-strong);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumbs a {
  color: var(--forest);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 760px) 1fr;
  gap: 80px;
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(42px, 6vw, 74px);
}

.page-hero .lead {
  margin-top: 26px;
}

.side-fact {
  padding: 28px;
  color: white;
  background: var(--forest);
  border-radius: var(--radius);
}

.side-fact strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Songti SC", serif;
  font-size: 34px;
}

.side-fact p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.toc {
  position: sticky;
  top: 104px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.toc strong {
  display: block;
  margin-bottom: 14px;
}

.toc a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.toc a:hover {
  color: var(--forest);
}

.article-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 800px);
  gap: 70px;
  align-items: start;
}

.article h2 {
  margin: 72px 0 24px;
  font-size: clamp(30px, 4vw, 46px);
}

.article h2:first-child {
  margin-top: 0;
}

.article h3 {
  margin: 36px 0 14px;
}

.article p,
.article li {
  color: #4e5b53;
}

.article table {
  width: 100%;
  margin: 28px 0;
  overflow: hidden;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.article th,
.article td {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article th {
  color: var(--forest);
  background: var(--forest-soft);
  font-size: 14px;
}

.article tr:last-child td {
  border-bottom: 0;
}

.article th:last-child,
.article td:last-child {
  border-right: 0;
}

.quote {
  padding: 28px;
  margin: 32px 0;
  background: var(--white);
  border-left: 5px solid var(--wood);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: "Songti SC", serif;
  font-size: 22px;
}

.definition-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.definition {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.definition dt {
  margin-bottom: 8px;
  color: var(--forest);
  font-weight: 900;
}

.definition dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.contact-card {
  min-height: 360px;
  padding: 42px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-card-dark {
  color: white;
  background:
    linear-gradient(140deg, rgba(36, 75, 57, 0.94), rgba(23, 52, 40, 0.98)),
    radial-gradient(circle at 80% 15%, var(--wood), transparent 40%);
}

.contact-card h2 {
  margin-bottom: 22px;
  font-size: clamp(32px, 4vw, 46px);
}

.contact-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.contact-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.contact-card-dark .contact-list li {
  border-color: rgba(255, 255, 255, 0.15);
}

.contact-list small {
  display: block;
  color: var(--muted);
}

.contact-card-dark .contact-list small {
  color: rgba(255, 255, 255, 0.58);
}

.map-art {
  position: relative;
  min-height: 220px;
  margin-top: 26px;
  overflow: hidden;
  background:
    linear-gradient(28deg, transparent 46%, rgba(36, 75, 57, 0.13) 47%, rgba(36, 75, 57, 0.13) 51%, transparent 52%),
    linear-gradient(-24deg, transparent 45%, rgba(174, 116, 72, 0.15) 46%, rgba(174, 116, 72, 0.15) 50%, transparent 51%),
    var(--paper-strong);
  border-radius: var(--radius-sm);
}

.map-pin {
  position: absolute;
  top: 50%;
  left: 54%;
  width: 28px;
  height: 28px;
  background: var(--wood);
  border: 6px solid white;
  border-radius: 50% 50% 50% 0;
  box-shadow: 0 8px 20px rgba(31, 41, 35, 0.24);
  transform: translate(-50%, -50%) rotate(-45deg);
}

.map-label {
  position: absolute;
  top: calc(50% + 34px);
  left: 54%;
  padding: 7px 12px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(31, 41, 35, 0.1);
  font-size: 12px;
  font-weight: 800;
  transform: translateX(-50%);
}

.site-footer {
  padding: 76px 0 110px;
  color: rgba(255, 255, 255, 0.72);
  background: #10271d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 50px;
}

.site-footer .brand {
  color: white;
}

.footer-intro {
  max-width: 330px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

.footer-col strong {
  display: block;
  margin-bottom: 16px;
  color: white;
  font-size: 14px;
}

.footer-col a,
.footer-col span {
  display: block;
  padding: 5px 0;
  font-size: 13px;
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 28px;
  margin-top: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
}

.mobile-actions {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    z-index: 120;
    inset: 118px 20px auto;
    display: none;
    padding: 22px;
    align-items: stretch;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
  }

  .menu-open .site-nav {
    display: grid;
  }

  .site-nav a:not(.button) {
    padding: 12px;
    border-bottom: 1px solid var(--line);
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    min-height: 760px;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(12, 30, 22, 0.97), rgba(12, 30, 22, 0.72)),
      url("./images/hero-home.jpg") 62% center/cover;
  }

  .hero-inner {
    min-height: 760px;
    grid-template-columns: 1fr;
  }

  .hero-facts-inner,
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-head,
  .split,
  .page-hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-head > :last-child {
    justify-self: start;
  }

  .cards-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .article-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .footer-grid > :last-child {
    grid-column: 2 / -1;
  }
}

@media (max-width: 680px) {
  body {
    padding-bottom: 68px;
  }

  .container,
  .narrow {
    width: min(calc(100% - 28px), var(--max));
  }

  .section {
    padding: 76px 0;
  }

  .section-compact {
    padding: 54px 0;
  }

  .topbar-list {
    gap: 10px;
  }

  .topbar-list span:nth-child(2) {
    display: none;
  }

  .topbar-inner > a {
    display: none;
  }

  .nav-wrap {
    min-height: 72px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 22px;
  }

  .brand-copy small {
    display: none;
  }

  .site-nav {
    inset: 102px 14px auto;
  }

  .hero,
  .hero-inner {
    min-height: 760px;
  }

  .hero-inner {
    padding: 72px 0 200px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 62px);
  }

  .hero-facts-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-fact {
    padding: 13px 15px;
  }

  .hero-fact strong {
    font-size: 22px;
  }

  .answer-box {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 28px;
  }

  .section-head {
    gap: 20px;
    margin-bottom: 34px;
  }

  .metrics,
  .cards-3,
  .offer-grid,
  .proof-grid,
  .definition-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 0;
  }

  .offer,
  .contact-card {
    padding: 30px 24px;
  }

  .split {
    gap: 42px;
  }

  .float-note {
    right: 10px;
    bottom: -24px;
  }

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

  .step {
    min-height: 0;
  }

  .step::before {
    margin-bottom: 18px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    padding: 34px 26px;
  }

  .page-hero {
    padding: 72px 0 62px;
  }

  .article table {
    display: block;
    overflow-x: auto;
  }

  .footer-grid > :last-child {
    grid-column: auto;
  }

  .footer-bottom {
    display: block;
  }

  .mobile-actions {
    position: fixed;
    z-index: 140;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    background: var(--white);
    border-top: 1px solid var(--line);
  }

  .mobile-actions a {
    display: grid;
    min-height: 64px;
    place-items: center;
    font-size: 14px;
    font-weight: 800;
  }

  .mobile-actions a:last-child {
    color: white;
    background: var(--forest);
  }
}