.guide-split {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 0;
  min-height: 60vh;
}

.guide-main {
  padding: 56px 48px 80px;
  max-width: 720px;
}

.guide-rail {
  background: #000000;
  padding: 48px 32px;
  position: relative;
  overflow: hidden;
}

.guide-rail::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(146, 64, 14, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

.guide-rail h1 {
  font-size: 26px;
  font-weight: 200;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.rail-img {
  max-width: 100%;
  max-height: 200px;
  object-fit: cover;
  width: 100%;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.rail-img-tall {
  max-height: 280px;
}

.guide-main h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--secondary);
  margin: 32px 0 12px;
}

.guide-main h2:first-of-type {
  margin-top: 0;
}

.guide-main p {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
  color: var(--text);
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}

.check-item {
  padding: 16px;
  background: var(--bg);
  font-size: 14px;
  color: var(--text);
}

.check-item strong {
  display: block;
  color: var(--secondary);
  margin-bottom: 4px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .guide-split {
    grid-template-columns: 1fr;
    overflow: hidden;
  }
  .guide-rail {
    padding: 32px 24px;
    overflow: hidden;
  }
  .guide-main {
    padding: 40px 24px 60px;
  }
  .check-grid {
    grid-template-columns: 1fr;
  }
  .rail-img {
    max-height: 180px;
  }
  .rail-img-tall {
    max-height: 220px;
  }
}

@media (max-width: 375px) {
  .guide-rail {
    padding: 24px 16px;
  }
  .guide-main {
    padding: 32px 16px 48px;
  }
  .rail-img,
  .rail-img-tall {
    max-height: 160px;
  }
}