/* =========================================================
   고객 준비 가이드 · 도메인 연결 & 무료 호스팅 안내 (공용)
   컬러: 딥네이비 / 화이트 / 블루 포인트
   ========================================================= */
:root{
  --navy:#0f1c3f;
  --navy-2:#16264f;
  --blue:#2f6bff;
  --blue-strong:#1f52d6;
  --ink:#1c2436;
  --muted:#5b6b88;
  --line:#e4e9f4;
  --bg:#f4f7fd;
  --card:#ffffff;
  --warn-bg:#fff7e8;
  --warn-line:#f3d38a;
  --warn-ink:#8a6410;
  --ok-bg:#eafaf1;
  --ok-line:#b8e6cd;
  --ok-ink:#1f7d4d;
  --radius:16px;
  --shadow:0 12px 34px rgba(15,28,63,.08);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic","맑은 고딕",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  word-break:keep-all;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:780px;margin:0 auto;padding:0 18px 90px;}

/* ---------- Header ---------- */
.hero{
  background:linear-gradient(140deg,var(--navy) 0%,#122a63 100%);
  color:#fff;
  padding:52px 18px 46px;
  text-align:center;
}
.hero__inner{max-width:780px;margin:0 auto;}
.hero__eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.5px;
  color:#a9c2ff;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
}
.hero h1{
  margin:0 0 12px;
  font-size:28px;
  line-height:1.35;
  font-weight:800;
}
.hero p{
  margin:0 auto;
  max-width:600px;
  font-size:15.5px;
  color:rgba(255,255,255,.88);
}

/* ---------- Progress hint ---------- */
.intro-note{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px 20px;
  margin-top:-26px;
  position:relative;
  font-size:14.5px;
  color:var(--muted);
  text-align:center;
}
.intro-note b{color:var(--ink);}

/* ---------- Step cards ---------- */
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px 24px;
  margin-top:20px;
}
.step__head{
  display:flex;
  align-items:center;
  gap:13px;
  margin-bottom:12px;
}
.step__num{
  flex:none;
  width:36px;height:36px;
  border-radius:11px;
  background:var(--blue);
  color:#fff;
  font-weight:800;
  font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.step__title{
  margin:0;
  font-size:19px;
  font-weight:800;
  line-height:1.35;
}
.step p{margin:9px 0;font-size:15px;}
.step .muted{color:var(--muted);font-size:14px;}

ul.clean,ol.clean{margin:10px 0;padding-left:20px;}
ul.clean li,ol.clean li{margin:7px 0;font-size:15px;}

/* 쉬운 설명 강조 박스 */
.plain{
  background:#f3f7ff;
  border-left:4px solid var(--blue);
  border-radius:8px;
  padding:14px 16px;
  margin:14px 0;
  font-size:15px;
  color:#2a3550;
  line-height:1.7;
}
.plain b{color:var(--navy);}

/* 예시 코드형 표기 */
.eg{
  display:block;
  background:#0f1c3f;
  color:#d7e2ff;
  border-radius:10px;
  padding:12px 14px;
  margin:10px 0;
  font-size:13.5px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  line-height:1.7;
  overflow-x:auto;
  white-space:pre-wrap;
  word-break:break-word;
}

/* ---------- Buttons (외부 링크 전용) ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--blue);
  color:#fff;
  text-decoration:none;
  font-weight:700;
  font-size:16px;
  padding:14px 22px;
  border-radius:12px;
  margin-top:8px;
  transition:background .15s ease,transform .05s ease;
}
.btn:hover{background:var(--blue-strong);}
.btn:active{transform:translateY(1px);}
.btn--ghost{
  background:#eef3ff;
  color:var(--blue-strong);
  border:1px solid var(--line);
}
.btn--ghost:hover{background:#e2ebff;}
.btn__arrow{font-size:15px;}

/* ---------- Notes ---------- */
.note{
  border-radius:12px;
  padding:14px 16px;
  font-size:14px;
  margin:14px 0;
  line-height:1.65;
}
.note--info{background:#eef3ff;border:1px solid var(--line);color:#3a4a76;}
.note--warn{background:var(--warn-bg);border:1px solid var(--warn-line);color:var(--warn-ink);}
.note--ok{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-ink);}
.note strong{font-weight:800;}

.field{
  background:#f6f9ff;
  border:1px dashed var(--line);
  border-radius:10px;
  padding:12px 14px;
  margin:8px 0;
  font-size:14px;
}
.field b{color:var(--ink);}

/* ---------- Checklist ---------- */
.check{
  display:flex;
  align-items:flex-start;
  gap:11px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
}
.check:last-child{border-bottom:none;}
.check__box{
  flex:none;
  width:21px;height:21px;
  border:2px solid var(--blue);
  border-radius:6px;
  margin-top:2px;
  color:#fff;
  background:transparent;
  font-weight:800;
  font-size:13px;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
  user-select:none;
  cursor:pointer;
}
.check.done .check__box{background:var(--blue);}
.check.done .check__text{color:var(--muted);text-decoration:line-through;}

/* ---------- Security highlight ---------- */
.step--security{
  border:1px solid var(--warn-line);
  background:linear-gradient(180deg,#fffdf7 0%,#ffffff 60%);
}

/* ---------- Footer ---------- */
.guide-footer{
  text-align:center;
  margin-top:34px;
  padding:26px 20px;
  background:var(--navy);
  color:#c6d3ee;
  border-radius:var(--radius);
  font-size:14px;
  line-height:1.7;
}
.guide-footer .big{color:#fff;font-weight:800;display:block;margin-bottom:6px;font-size:16px;}
.guide-footer a{color:#9db8ff;text-decoration:none;font-weight:700;}

.legal{
  text-align:center;
  color:var(--muted);
  font-size:12px;
  margin-top:22px;
  line-height:1.7;
}
.legal a{color:var(--blue-strong);text-decoration:none;}

/* ---------- Responsive ---------- */
@media (max-width:480px){
  .hero{padding:40px 16px 34px;}
  .hero h1{font-size:23px;}
  .hero p{font-size:14.5px;}
  .step{padding:22px 17px;}
  .step__title{font-size:17px;}
  .btn{width:100%;justify-content:center;font-size:15px;}
  .eg{font-size:12.5px;}
}