:root {
  --bg: #edf1ea;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: rgba(248, 250, 246, 0.96);
  --text: #162018;
  --muted: #5f6e61;
  --line: #d3d9cf;
  --green: #45d35b;
  --green-deep: #1e8f43;
  --green-dark: #12311a;
  --shadow: 0 20px 60px rgba(20, 31, 23, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1540px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 12%, rgba(69, 211, 91, 0.1), transparent 20%),
    radial-gradient(circle at 90% 18%, rgba(18, 49, 26, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(239, 243, 236, 0.94)),
    repeating-linear-gradient(135deg, rgba(18, 31, 22, 0.018) 0 2px, transparent 2px 18px),
    #efefef;
  line-height: 1.5;
}

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

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

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(245, 247, 242, 0.9);
  border-bottom: 1px solid rgba(183, 192, 178, 0.75);
}

.topbar-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.brand-mark {
  font-family: "Oswald", sans-serif;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  font-weight: 700;
}

.brand-mark strong {
  color: var(--green-deep);
}

.brand-copy {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.main-nav,
.sub-nav,
.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.main-nav {
  justify-content: flex-end;
}

.main-nav a,
.sub-nav a,
.footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid #cfd6cc;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(239, 242, 237, 0.98));
  font-size: 0.84rem;
  font-weight: 800;
  color: #18341f;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.sub-nav a:hover,
.sub-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  border-color: #8dcb7a;
  background: linear-gradient(180deg, #ffffff, #eef5e8);
}

.hero {
  padding: 24px 0 18px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 20px;
  background: rgba(248, 249, 246, 0.92);
  border: 1px solid #d8ddd5;
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(69, 211, 91, 0.1);
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 14px 0 12px;
  font-family: "Oswald", sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.hero-copy p {
  margin: 0;
  max-width: 62ch;
  color: #4c5a4d;
  font-size: 0.98rem;
}

.hero-side {
  position: relative;
  min-height: 260px;
  border-radius: 22px;
  overflow: hidden;
  background: #d7ddd3;
}

.hero-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) brightness(0.88);
}

.hero-side::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 22, 17, 0.08), rgba(15, 22, 17, 0.42));
}

.hero-badges {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-badge {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(248, 251, 246, 0.82);
  border: 1px solid rgba(216, 223, 213, 0.9);
  backdrop-filter: blur(10px);
  color: #16301b;
  font-size: 0.78rem;
  font-weight: 800;
}

.page-main {
  padding-bottom: 30px;
}

.content-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.toc-card,
.content-card,
.info-card,
.footer-meta-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.toc-card {
  position: sticky;
  top: 96px;
  padding: 18px;
}

.toc-card strong,
.info-card strong,
.footer-meta-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #607060;
}

.toc-links {
  display: grid;
  gap: 8px;
}

.toc-links a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f4f7f1;
  border: 1px solid #dde3da;
  font-weight: 800;
  color: #203224;
}

.content-card {
  padding: 26px;
}

.lead {
  margin: 0 0 22px;
  color: #455347;
  font-size: 1rem;
}

.section-block + .section-block {
  margin-top: 24px;
}

.section-block h2 {
  margin: 0 0 10px;
  font-family: "Oswald", sans-serif;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.section-block p,
.section-block li {
  color: #49574a;
  font-size: 0.96rem;
}

.stack {
  display: grid;
  gap: 12px;
}

.bullet-card {
  padding: 14px 16px;
  border: 1px solid #dde3da;
  border-radius: 14px;
  background: #f4f7f2;
  font-weight: 700;
  color: #28362b;
}

.dual-grid,
.triple-grid,
.footer-meta {
  display: grid;
  gap: 16px;
}

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

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

.info-card,
.footer-meta-card {
  padding: 18px;
}

.info-card p,
.footer-meta-card p {
  margin: 0;
  color: #4f5c50;
}

.footer {
  margin-top: 18px;
  padding: 34px 0 24px;
  background:
    linear-gradient(180deg, #18241c 0%, #111913 100%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 16px);
  border-top: 1px solid #223228;
}

.footer-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 22px;
  color: #f0f6ef;
}

.footer-panel h2,
.footer-panel h3 {
  margin: 0 0 12px;
  font-family: "Oswald", sans-serif;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.footer-panel p {
  margin: 0 0 14px;
  color: rgba(240, 246, 239, 0.82);
}

.footer-links a {
  border-color: rgba(194, 210, 197, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #eff6ef;
}

.footer-meta-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(194, 210, 197, 0.12);
}

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

.nav-panel-brand strong {
  color: #20b300;
}

.footer-meta-card strong {
  color: rgba(240, 246, 239, 0.7);
}

.footer-meta-card p {
  color: rgba(240, 246, 239, 0.84);
}

.disclaimer {
  margin-top: 18px;
  color: rgba(240, 246, 239, 0.62);
  font-size: 0.82rem;
}

@media (max-width: 1080px) {
  .hero-panel,
  .content-grid,
  .footer-panel,
  .dual-grid,
  .triple-grid,
  .footer-meta {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .topbar-inner {
    min-height: 0;
    padding: 10px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .brand {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .main-nav a,
  .sub-nav a,
  .footer-links a {
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.76rem;
  }

  .hero {
    padding-top: 12px;
  }

  .hero-panel {
    padding: 14px;
  }

  .hero-side {
    min-height: 220px;
  }

  .content-card,
  .toc-card,
  .info-card,
  .footer-meta-card {
    padding: 16px;
    border-radius: 18px;
  }
}