* { box-sizing: border-box; }
body {
  margin: 0;
  background: #0a0a0d;
  color: #f2eee7;
  font-family: 'Outfit', sans-serif;
  line-height: 1.7;
}
a {
  color: #e8be6a;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.header {
  background: linear-gradient(135deg, #0d1a2e 0%, #0a0a0d 60%);
  border-bottom: 2px solid #c9973a;
  padding: 44px 32px 32px;
}
.back {
  display: inline-block;
  margin-bottom: 18px;
  color: #a09585;
  font-size: 0.88rem;
}
.eyebrow {
  margin: 0 0 10px;
  color: #c9973a;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
}
.header h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(1.7rem, 3.5vw, 2.7rem);
  line-height: 1.2;
}
.subtitle {
  max-width: 780px;
  color: #c9c4bb;
  margin: 12px 0 0;
}
.meta, .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.meta span, .tags span {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
}
.meta span {
  background: #1a1a23;
  color: #c9c4bb;
  border: 1px solid rgba(201,151,58,0.18);
}
.tags span {
  background: rgba(31,120,209,0.14);
  color: #50bef0;
  border: 1px solid rgba(31,120,209,0.24);
}
main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}
section {
  margin-bottom: 44px;
}
section h2 {
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(201,151,58,0.18);
  font-size: 1.45rem;
}
p, li {
  color: #c9c4bb;
}
ul {
  padding-left: 20px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.card {
  background: #15151d;
  border: 1px solid rgba(201,151,58,0.14);
  border-radius: 12px;
  padding: 18px;
}
.card strong {
  display: block;
  color: #e8be6a;
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: 8px;
}
.callout {
  background: #15151d;
  border-left: 3px solid #c9973a;
  border-radius: 10px;
  padding: 16px 18px;
  margin: 18px 0;
}
.callout.blue {
  border-left-color: #1f78d1;
}
.callout.green {
  border-left-color: #32d99c;
}
.diagram {
  margin-top: 18px;
  padding: 22px;
  background: #111118;
  border: 1px solid rgba(201,151,58,0.14);
  border-radius: 12px;
  overflow-x: auto;
}
.diagram svg {
  display: block;
  width: 100%;
  height: auto;
}
.caption {
  margin-top: 10px;
  text-align: center;
  color: #a09585;
  font-size: 0.82rem;
}
.footer {
  border-top: 1px solid rgba(201,151,58,0.14);
  padding: 24px 32px 36px;
  text-align: center;
  color: #a09585;
  font-size: 0.82rem;
}
@media (max-width: 680px) {
  .header, main, .footer {
    padding-left: 20px;
    padding-right: 20px;
  }
}