* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(30, 64, 175, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.10), transparent 25%),
    linear-gradient(135deg, #050b16 0%, #08101c 45%, #091426 100%);
  color: #ffffff;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 24px 40px;
}

.hero {
  margin-bottom: 52px;
}

.eyebrow {
  color: #74c7ff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.description {
  max-width: 900px;
  font-size: 17px;
  line-height: 1.8;
  color: #b4c4d8;
  margin: 0;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 32px;
  height: 52px;
  padding: 0 32px;
  background: linear-gradient(135deg, rgba(55, 217, 255, 0.18), rgba(39, 228, 108, 0.18));
  border: 1px solid rgba(55, 217, 255, 0.28);
  border-radius: 14px;
  color: #79ecff;
  font-size: 16px;
  font-weight: 800;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-cta:hover {
  transform: translateY(-2px);
  border-color: rgba(55, 217, 255, 0.5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  color: #fff;
}

.section {
  margin-top: 56px;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.section-desc {
  color: #95a9c1;
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  position: relative;
  background: linear-gradient(180deg, rgba(9, 22, 42, 0.96), rgba(8, 18, 35, 0.96));
  border: 1px solid rgba(117, 151, 191, 0.16);
  border-radius: 22px;
  padding: 28px 24px 24px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  min-height: 220px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent 45%);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(116, 199, 255, 0.42);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
}

.icon-wrap {
  width: 62px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(38, 86, 152, 0.28), rgba(16, 31, 57, 0.45));
  border: 1px solid rgba(116, 199, 255, 0.18);
  margin-bottom: 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.icon {
  width: 34px;
  height: 34px;
  stroke: #79d2ff;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-title {
  font-size: 25px;
  font-weight: 800;
  margin: 0 0 12px;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.feature-text {
  color: #b6c7da;
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  word-break: keep-all;
}

.role-section {
  margin-top: 68px;
  padding: 34px 28px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(7, 18, 34, 0.95), rgba(8, 16, 30, 0.95));
  border: 1px solid rgba(117, 151, 191, 0.16);
  box-shadow: 0 10px 40px rgba(0,0,0,0.16);
}

.role-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 24px;
    }

.role-card {
  display: block;
  padding: 24px 22px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(11, 27, 49, 0.96), rgba(7, 18, 34, 0.96));
  border: 1px solid rgba(116, 199, 255, 0.12);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  min-height: 180px;
  position: relative;
  overflow: hidden;
}

.role-card::after {
  content: "→";
  position: absolute;
  right: 20px;
  bottom: 18px;
  font-size: 20px;
  color: #72cbff;
  opacity: 0.9;
}

.role-card:hover {
  transform: translateY(-4px);
  border-color: rgba(116, 199, 255, 0.38);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.22);
}

.role-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #7fd5ff;
  background: rgba(127, 213, 255, 0.08);
  border: 1px solid rgba(127, 213, 255, 0.14);
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.role-title {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
    }

.role-text {
  margin: 0;
  color: #a9bdd3;
  line-height: 1.7;
  font-size: 15px;
}

.footer {
  margin-top: 72px;
  padding: 22px 0 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.footer-links a {
  color: #7f93aa;
  font-size: 12px;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: #80d6ff;
}

#visitorCounter {
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  color: #7f93aa;
  opacity: 0.8;
}

@media (max-width: 900px) {
...
  .title {
    font-size: 36px;
  }

  .feature-grid,
  .role-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .role-card {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 48px 18px 28px;
  }

  .title {
    font-size: 30px;
  }

  .description {
    font-size: 15px;
  }

  .feature-title,
  .role-title {
    font-size: 22px;
  }

  .section-title {
    font-size: 24px;
  }
}