:root {
  --ink: #111717;
  --muted: #5d6a67;
  --line: #dce5e1;
  --surface: #f6f8f5;
  --surface-strong: #edf3ee;
  --green: #0b6b4b;
  --green-dark: #073d31;
  --amber: #d99b2b;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(8, 45, 36, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(220, 229, 225, 0.86);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--green-dark);
  color: var(--white);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.top-nav a {
  padding: 8px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
}

.top-nav a:hover {
  color: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  gap: 48px;
  align-items: center;
  padding: 52px clamp(20px, 5vw, 72px) 46px;
  background:
    radial-gradient(circle at 14% 18%, rgba(217, 155, 43, 0.18), transparent 28%),
    linear-gradient(135deg, #f8fbf8 0%, #edf4ef 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 680px;
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.18;
}

.hero-text {
  max-width: 670px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--green);
  color: var(--white);
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--green-dark);
}

.hero-media {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--green-dark);
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 1.28;
  object-fit: cover;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  background: var(--white);
}

.trust-strip div {
  padding: 22px clamp(20px, 4vw, 48px);
  border-right: 1px solid var(--line);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(54px, 7vw, 96px) clamp(20px, 5vw, 72px);
}

.section.muted {
  background: var(--surface);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pillar {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 850;
}

.pillar h3 {
  margin-top: 18px;
}

.pillar p {
  min-height: 96px;
  margin: 12px 0 20px;
  color: var(--muted);
}

.pillar a {
  color: var(--green);
  font-weight: 800;
  text-decoration: none;
}

.topic-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.topic-row {
  display: grid;
  grid-template-columns: 120px minmax(220px, 1fr) minmax(180px, 0.72fr);
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.topic-row:last-child {
  border-bottom: 0;
}

.topic-head {
  background: var(--green-dark);
  color: var(--white);
  font-weight: 850;
}

.topic-row span:first-child {
  font-weight: 800;
}

.topic-row span:last-child {
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
}

.topic-head span:last-child {
  color: var(--white);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 400px);
  gap: 34px;
  align-items: start;
}

.split p {
  color: var(--muted);
  font-size: 18px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding-left: 24px;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.seo-card {
  padding: 24px;
  border-radius: 8px;
  background: var(--green-dark);
  color: var(--white);
  box-shadow: var(--shadow);
}

.seo-card ol {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-left: 20px;
}

.responsible-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.responsible-grid div {
  padding: 24px;
  border-radius: 8px;
  background: var(--surface);
}

.responsible-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #101816;
  color: var(--white);
}

.site-footer p {
  max-width: 560px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.article-body {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(40px, 7vw, 86px) 20px;
}

.article-body h1 {
  font-size: 52px;
}

.article-body h2 {
  margin-top: 42px;
  font-size: 32px;
}

.article-body p,
.article-body li {
  color: var(--muted);
  font-size: 18px;
}

.article-note {
  margin: 28px 0;
  padding: 18px;
  border-left: 4px solid var(--amber);
  background: var(--surface);
}

.link-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.link-list a {
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  background: var(--surface);
}

.link-list span {
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    gap: 28px;
  }

  .pillar-grid,
  .trust-strip,
  .responsible-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .topic-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 560px) {
  h1,
  .article-body h1 {
    font-size: 31px;
    line-height: 1.06;
  }

  h2 {
    font-size: 30px;
  }

  .hero-text {
    margin-top: 14px;
    font-size: 16px;
  }

  .hero {
    padding-top: 30px;
    padding-bottom: 28px;
  }

  .hero-actions {
    gap: 8px;
    margin-top: 20px;
  }

  .hero-media img {
    aspect-ratio: 1.9;
  }

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

  .top-nav a {
    padding-left: 0;
  }

  .button {
    min-height: 42px;
    padding: 0 14px;
    font-size: 14px;
  }

  .site-footer {
    flex-direction: column;
  }
}