/* 기본 설정 */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #f7f7f9;
}

a {
  color: #0060c0;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 공통 레이아웃 */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 64px 0;
}

.section-alt {
  background: #ffffff;
}

.section-title {
  font-size: 28px;
  margin-bottom: 12px;
}

.section-lead {
  margin-bottom: 24px;
  color: #555;
}

/* 헤더 */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #050816;
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.logo-text {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.04em;
}

header nav a {
  margin-left: 16px;
  font-size: 14px;
  color: #cfd3ff;
}

header nav a:hover {
  color: #ffffff;
}

/* 히어로 */
.hero {
  background: radial-gradient(circle at top left, #2333ff1a, #050816);
  color: #fff;
  padding: 72px 0 64px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: center;
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 16px;
}

.hero p {
  color: #dde2ff;
  margin-bottom: 24px;
}

.hero-actions .btn {
  margin-right: 12px;
}

/* 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}

.btn.primary {
  background: #ffb500;
  color: #000;
  font-weight: 600;
}

.btn.ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* 히어로 오른쪽 박스 */
.hero-highlight {
  background: rgba(8, 12, 40, 0.9);
  border-radius: 20px;
  padding: 20px 20px 24px;
  border: 1px solid #2830a0;
}

.hero-highlight h2 {
  margin-top: 8px;
  font-size: 20px;
}

.hero-highlight ul {
  padding-left: 20px;
  margin: 8px 0 12px;
}

.hero-note {
  font-size: 13px;
  color: #c4cbff;
}

.hero-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ffb500;
  color: #000;
  font-size: 11px;
  font-weight: 600;
}

/* 카드 & 그리드 */
.grid {
  display: grid;
  gap: 20px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: #ffffff;
  border-radius: 18px;
  padding: 20px 20px 22px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.section-alt .card {
  background: #f9fafb;
}

/* 단순 리스트 */
.simple-list {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 14px;
}

.simple-list li + li {
  margin-top: 4px;
}

/* 제품 리스트 */
.product-list {
  background: #ffffff;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  max-height: 480px;
  overflow-y: auto;
}

.product-list ul {
  padding-left: 20px;
  margin: 0;
}

.product-list li + li {
  margin-top: 4px;
}

/* 문의 */
.contact-list {
  list-style: none;
  padding-left: 0;
  font-size: 14px;
}

.contact-list li + li {
  margin-top: 6px;
}

.contact-card form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-card label {
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-card input,
.contact-card textarea {
  border-radius: 10px;
  border: 1px solid #d0d7e2;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
}

/* 푸터 */
footer {
  background: #050816;
  color: #9ca3af;
  padding: 16px 0;
  font-size: 13px;
}

.footer-inner {
  text-align: center;
}

/* 반응형 */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  header nav a {
    margin-left: 10px;
    font-size: 13px;
  }

  .section {
    padding: 48px 0;
  }
}