:root {
  --blue: #0086e4;
  --blue-dark: #0a6bb0;
  --ink: #1a1f27;
  --gray: #5b6470;
  --line: #e5e8ec;
  --bg-soft: #f4f8fc;
  --warn-bg: #fff6e9;
  --warn-line: #ffd699;
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard",
    "Malgun Gothic", "Segoe UI", sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  padding: 64px 0 56px;
  text-align: center;
}
.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hero h1 { font-size: 30px; font-weight: 800; line-height: 1.35; }
.hero .lead { margin-top: 16px; font-size: 16px; opacity: 0.95; }

/* 공통 섹션 */
main { padding: 48px 0 24px; }
section { margin-bottom: 56px; }
section h2 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 5px solid var(--blue);
}
section h3 { font-size: 17px; font-weight: 700; margin: 24px 0 12px; }
section p { color: var(--gray); margin-bottom: 14px; }
.intro p { font-size: 15.5px; }

/* 콜아웃 */
.callout {
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 22px 0;
}
.callout strong { display: block; font-size: 16px; margin-bottom: 8px; }
.callout p { margin: 0; color: var(--ink); font-size: 14.5px; }
.callout-warn { background: var(--warn-bg); border: 1px solid var(--warn-line); }
.callout-warn strong { color: #b9740a; }

/* 실제 이미지 */
.shot { margin: 18px 0; }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.hero-shot { margin: 28px auto 0; max-width: 640px; }
.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

/* 이미지 플레이스홀더 (미사용 시 대비) */
.ph { margin: 18px 0; }
.ph-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  background: repeating-linear-gradient(45deg, #f0f3f7, #f0f3f7 12px, #e9eef3 12px, #e9eef3 24px);
  border: 1.5px dashed #c2ccd6;
  border-radius: var(--radius);
  color: #8a94a0;
  font-size: 13.5px;
  text-align: center;
  padding: 16px;
}

/* 5가지 메뉴 그리드 */
.menu-grid { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.menu-grid li {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.menu-grid .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
}
.menu-grid b { font-size: 15.5px; }
.menu-grid span:last-child { color: var(--gray); font-size: 13px; line-height: 1.5; }

/* 기능 카드 */
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}
.feature-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.feature-head .emoji { font-size: 24px; }
.feature-head h3 { margin: 0; font-size: 18px; }

/* 체크 리스트 */
.checks { list-style: none; margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.checks li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--ink);
}
.checks li::before {
  content: "✅";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
}

/* 문의 */
.contact { background: var(--bg-soft); border-radius: var(--radius); padding: 36px 28px; text-align: center; }
.contact h2 { border: none; padding: 0; justify-content: center; text-align: center; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0 28px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
a.contact-card { text-decoration: none; color: inherit; transition: border-color 0.15s, box-shadow 0.15s; }
a.contact-card:hover { border-color: var(--blue); box-shadow: 0 4px 14px rgba(0, 134, 228, 0.15); }
.contact-card .emoji { font-size: 26px; margin-bottom: 4px; }
.contact-card b { font-size: 14.5px; }
.contact-card span:last-child { color: var(--gray); font-size: 13px; word-break: break-all; }

.cta {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 999px;
  transition: background 0.15s;
}
.cta:hover { background: var(--blue-dark); }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 28px 0; text-align: center; color: #9aa3ad; font-size: 13px; }

/* 반응형 */
@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
  section h2 { font-size: 19px; }
  .menu-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}