.rush-sprint1 {
  width: min(1120px, calc(100% - 32px));
  margin: 32px auto 48px;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid #d9e2f1;
  border-radius: 28px;
  background: linear-gradient(145deg, #f7faff 0%, #ffffff 58%, #eef5ff 100%);
  color: #12203d;
  box-shadow: 0 20px 50px rgba(17, 46, 91, 0.09);
}

.rush-sprint1__intro {
  max-width: 820px;
  margin-bottom: 28px;
}

.rush-sprint1__eyebrow {
  margin: 0 0 10px;
  color: #2469d8;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.rush-sprint1 h2,
.rush-sprint1 h3,
.rush-sprint1 p {
  margin-top: 0;
}

.rush-sprint1 h2 {
  color: #0b1735;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  line-height: 1.25;
  margin-bottom: 14px;
}

.rush-sprint1 h3 {
  color: #0b1735;
  font-size: 1.12rem;
  line-height: 1.45;
  margin-bottom: 12px;
}

.rush-sprint1 p,
.rush-sprint1 li {
  color: #394967;
  line-height: 1.8;
}

.rush-sprint1__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.rush-sprint1__card {
  padding: 24px;
  border: 1px solid #e0e7f2;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
}

.rush-sprint1__card--wide {
  grid-column: 1 / -1;
}

.rush-sprint1__card ul {
  margin: 0;
  padding-left: 1.2rem;
}

.rush-sprint1__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid #e8edf5;
  font-size: 0.92rem;
}

.rush-sprint1__link,
.rush-sprint1__links a {
  color: #1559bb;
  font-weight: 700;
  text-decoration: none;
}

.rush-sprint1__link:hover,
.rush-sprint1__links a:hover {
  text-decoration: underline;
}

.rush-sprint1__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.rush-sprint1__columns strong {
  display: block;
  margin-bottom: 6px;
  color: #1559bb;
}

.rush-sprint1__columns p {
  margin-bottom: 0;
}

.rush-sprint1__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 24px 0 0;
  padding: 18px 20px;
  border-radius: 16px;
  background: #edf4ff;
  font-size: 0.94rem;
}

.rush-sprint1__links strong {
  color: #0b1735;
}

.rush-sprint1__faq {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid #dfe7f3;
}

.rush-sprint1__faq details {
  border-bottom: 1px solid #e3eaf4;
}

.rush-sprint1__faq summary {
  cursor: pointer;
  padding: 16px 0;
  color: #12203d;
  font-weight: 800;
}

.rush-sprint1__faq details p {
  margin: 0 0 16px;
}

@media (max-width: 760px) {
  .rush-sprint1 {
    width: min(100% - 20px, 1120px);
    margin-top: 22px;
    padding: 24px 18px;
    border-radius: 20px;
  }

  .rush-sprint1__grid,
  .rush-sprint1__columns {
    grid-template-columns: 1fr;
  }

  .rush-sprint1__card--wide {
    grid-column: auto;
  }
}