.start-hero {
  padding: 72px 0 40px;
  background:
    radial-gradient(ellipse 70% 80% at 15% 0%, rgba(59, 158, 255, 0.14), transparent 55%),
    linear-gradient(180deg, #12151b, var(--bg));
  border-bottom: 1px solid var(--line);
}

.start-hero .eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  font-family: var(--font-display);
}

.start-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  font-weight: 650;
}

.start-hero .lead {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.start-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  padding: 48px 0 80px;
  align-items: start;
}

.start-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.start-steps > li {
  position: relative;
  padding: 0 0 36px 56px;
  border-left: 1px solid var(--line);
  margin-left: 14px;
}

.start-steps > li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.start-steps > li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -15px;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent-2);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid rgba(100, 168, 230, 0.35);
}

.start-steps h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.start-steps p,
.start-steps li {
  color: var(--muted);
}

.start-steps ul {
  margin: 8px 0 12px;
  padding-left: 1.2rem;
}

.start-code {
  margin: 14px 0 16px;
  padding: 16px 18px;
  background: #12151b;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.65;
  color: #c8d0dc;
}

.start-code .kw { color: #64a8e6; }
.start-code .str { color: #ce9178; }
.start-code .cm { color: #6a737d; }

.text-link {
  color: var(--accent-2);
  font-weight: 600;
}

.start-aside {
  position: sticky;
  top: 88px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.start-shot {
  margin: 14px 0 16px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #12141a;
}

.start-shot img {
  width: 100%;
  height: auto;
  display: block;
}

.start-shot figcaption {
  padding: 8px 12px 10px;
  font-size: 0.82rem;
  color: var(--faint);
}

.start-faq p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.start-faq strong {
  color: var(--text);
}

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

.start-links a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
}

.start-links a:hover {
  color: var(--text);
  border-color: rgba(100, 168, 230, 0.45);
  background: var(--accent-dim);
}

@media (max-width: 900px) {
  .start-body {
    grid-template-columns: 1fr;
  }
  .start-aside {
    position: static;
  }
}