:root {
  --ink: #16201d;
  --muted: #53625d;
  --line: #d9ddd4;
  --paper: #f6f7f2;
  --white: #ffffff;
  --accent: #1f7a5c;
  --accent-2: #a56216;
  --blue: #315c9b;
  --shadow: 0 18px 40px rgba(22, 32, 29, 0.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(246, 247, 242, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand { color: var(--ink); font-weight: 800; text-decoration: none; }
nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 44px;
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: clamp(36px, 7vw, 88px) clamp(18px, 4vw, 56px);
}
.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}
.dek {
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 24px);
  max-width: 760px;
}
.hero-image {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: contain;
  filter: drop-shadow(var(--shadow));
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-weight: 700;
  text-decoration: none;
}
.button.secondary {
  background: transparent;
  color: var(--ink);
}
.band {
  padding: clamp(44px, 7vw, 88px) clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}
.band.muted { background: #eef2ea; }
.section-head h2,
.split h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.article-card {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
}
.article-card span { color: var(--accent-2); font-size: 13px; font-weight: 800; }
.article-card h2 { margin: 18px 0 12px; font-size: 24px; line-height: 1.18; letter-spacing: 0; }
.article-card p { margin: 0; color: var(--muted); }
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}
.article-layout {
  padding: clamp(36px, 6vw, 72px) clamp(18px, 4vw, 56px);
}
.article {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.article h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: 0;
}
.article h2 {
  margin-top: 44px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.2;
  letter-spacing: 0;
}
.article h3 {
  margin-top: 30px;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: 0;
}
.meta,
.affiliate-note {
  color: var(--muted);
  font-size: 14px;
}
.affiliate-note {
  margin: 24px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: #eef8f3;
}
pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 8px;
  background: #111917;
  color: #e7f0ec;
  font-size: 14px;
  line-height: 1.55;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
p code,
li code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #edf0e9;
  color: #23312d;
}
blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--blue);
  background: #edf3ff;
}
li { margin: 7px 0; }
.footer {
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 860px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .hero,
  .split,
  .grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .article { padding: 22px; }
}