.section1 {
  padding: 7vh 12.5vw;
  background-color: #f8f8f8;
  background-image:
    radial-gradient(circle at 110% -7%, rgba(246,220,91,0.296) 25rem, transparent 25rem),
    radial-gradient(circle at 78% -27%, rgba(244,225,131,0.296) 20rem, transparent 20rem),
    radial-gradient(circle at -2% 45%, rgba(178,238,169,0.451) 12rem, transparent 12rem),
    radial-gradient(circle at 4% 64%, rgba(138,232,157,0.277) 15rem, transparent 15rem);
}

.reg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.reg-card {
  background: white;
  border: 0.5px solid rgba(109,109,109,0.241);
  border-radius: 14px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.reg-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.reg-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #205228b7;
  color: white;
  font-size: 11px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.reg-title {
  font-family: 'Playfair Display', sans-serif;
  font-size: clamp(0.9rem, 1.3vw, 1.1rem);
  font-weight: 900;
  color: #1b6927a9;
  letter-spacing: 0.08rem;
}

.reg-text {
  font-size: clamp(0.82rem, 1.1vw, 0.95rem);
  color: #444;
  line-height: 1.75;
  flex: 1;
}

.reg-text a {
  color: #205228b7;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Color variants ── */
.reg-card:nth-child(1) {
  border-top: 3px solid #205228b7;
}

.reg-card:nth-child(1) .reg-num {
  background: #205228b7;
}

.reg-card:nth-child(1) .reg-title {
  color: #205228b7;
}

.reg-card:nth-child(2) {
  border-top: 3px solid #4b9b20c1;
}

.reg-card:nth-child(2) .reg-num {
  background: #4b9b20c1;
}

.reg-card:nth-child(2) .reg-title {
  color: #4b9b20c1;
}

.reg-card:nth-child(3) {
  border-top: 3px solid #cdb938;
}

.reg-card:nth-child(3) .reg-num {
  background: #cdb938;
}

.reg-card:nth-child(3) .reg-title {
  color: #beab32;
}

@media screen and (max-width: 900px) {
  .reg-grid { grid-template-columns: 1fr; }
}

@media screen and (max-width: 600px) {
  .section1 { padding: 5vh 6vw; }
}