:root {
  --dark: #0e1114;
  --dark-2: #16191d;
  --ink: #111417;
  --ink-2: #4a4f55;
  --ink-3: #8a9097;
  --line: #e6e8eb;
  --paper: #f4f6f8;
  --white: #ffffff;
  --gold: #c5a059;
  --gold-d: #a8853f;
  --gold-tint: rgba(197, 160, 89, 0.12);
  --max: 1180px;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; margin: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* header */
.top { background: var(--dark); color: #f8fafd; position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(255,255,255,.08); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 21px; letter-spacing: 0.24em; font-weight: 800; }
.logo small { display: block; font-size: 10px; letter-spacing: 0.2em; color: var(--gold); font-weight: 600; margin-top: -2px; }
.nav { display: flex; gap: 28px; font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; }
.nav a { padding: 6px 0; border-bottom: 1px solid transparent; color: rgba(248,250,253,.74); }
.nav a:hover, .nav a.on { color: #fff; border-color: var(--gold); }
.tel { font-size: 13px; color: rgba(248,250,253,.6); }

/* hero */
.hero { padding: 96px 0 80px; background: radial-gradient(800px 400px at 85% 10%, rgba(197,160,89,.22), transparent 60%), var(--dark); color: #f8fafd; }
.hero .eyebrow { font-size: 12px; letter-spacing: 0.26em; color: var(--gold); text-transform: uppercase; margin-bottom: 18px; font-weight: 600; }
.hero h1 { font-size: 48px; line-height: 1.22; max-width: 760px; }
.hero p { font-size: 17px; color: rgba(248,250,253,.74); max-width: 640px; margin: 22px 0 34px; }
.btn { display: inline-block; padding: 14px 30px; background: var(--ink); color: var(--white); font-size: 15px; font-weight: 600; border: 1px solid var(--ink); border-radius: 6px; cursor: pointer; font-family: inherit; text-align: center; }
.btn:hover { background: #000; }
.btn.gold { background: var(--gold); border-color: var(--gold); color: var(--dark); }
.btn.gold:hover { background: var(--gold-d); }
.btn.wide { width: 100%; padding: 18px; font-size: 16px; }

/* sections */
.sec { padding: 72px 0; }
.sec.alt { background: var(--white); border-top: 1px solid var(--line); }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
.sec-head h2 { font-size: 28px; }
.sec-head span { font-size: 13px; color: var(--ink-3); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.card { position: relative; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 30px 28px 26px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--gold); transform: translateY(-2px); }
.card.best { border: 2px solid var(--gold); }
.card .tag { position: absolute; top: -12px; left: 24px; background: var(--gold); color: var(--dark); font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.tier { font-size: 12px; letter-spacing: 0.2em; color: var(--gold-d); font-weight: 700; }
.card h3 { font-size: 21px; margin: 8px 0 6px; }
.card .fit { font-size: 14px; color: var(--ink-2); margin: 0 0 18px; min-height: 44px; }
.card .price { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.card .price small, .info .price small, .visual .vp small { font-size: 14px; font-weight: 500; color: var(--ink-3); }
.card ul { list-style: none; padding: 0; margin: 18px 0 22px; flex: 1; }
.card li, .check li { position: relative; padding-left: 22px; font-size: 14px; color: var(--ink-2); margin-bottom: 9px; }
.card li::before, .check li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 10px; height: 6px; border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg); }
.card .more { font-size: 14px; font-weight: 700; color: var(--ink); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.steps li { background: var(--paper); border-radius: 10px; padding: 20px; }
.steps b { display: block; color: var(--gold-d); margin-bottom: 6px; }
.steps span { font-size: 14px; color: var(--ink-2); }

/* product detail */
.detail { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; padding: 56px 0 80px; align-items: start; }
.visual { position: sticky; top: 100px; aspect-ratio: 1 / 1; border-radius: 16px; padding: 44px; display: flex; flex-direction: column; justify-content: flex-end; color: #f8fafd; background: radial-gradient(500px 300px at 80% 0%, rgba(197,160,89,.35), transparent 60%), var(--dark); }
.visual .tier { color: var(--gold); }
.visual .vt { font-size: 34px; font-weight: 800; margin: 10px 0; line-height: 1.25; }
.visual .vp { font-size: 26px; font-weight: 700; }
.visual .vp small { color: rgba(248,250,253,.6); }
.info h1 { font-size: 32px; margin: 8px 0 6px; }
.info h2 { font-size: 17px; margin: 28px 0 12px; }
.info .price { font-size: 28px; font-weight: 800; margin: 14px 0 18px; }
.desc { color: var(--ink-2); font-size: 15px; }
.check { list-style: none; padding: 0; margin: 0; }
.spec { border-top: 1px solid var(--line); margin: 28px 0; }
.spec div { display: flex; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.spec dt { width: 96px; color: var(--ink-3); flex: none; }
.spec dd { margin: 0; }

/* checkout */
.checkout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; padding: 48px 0 80px; align-items: start; }
.panel { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.panel h2 { font-size: 19px; margin-bottom: 18px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.field input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 6px; font: inherit; background: var(--white); }
.field input:focus { outline: 2px solid var(--gold); outline-offset: -1px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.summary .item { margin-bottom: 14px; padding: 16px; background: var(--paper); border-radius: 8px; }
.summary .item .t { font-weight: 700; }
.summary .item .s { font-size: 13px; color: var(--ink-3); }
.summary .line { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.summary .line.total { font-size: 18px; font-weight: 800; border-bottom: 0; padding-top: 16px; }
.pay-methods { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 6px 0 18px; }
.pay-methods label { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; font-size: 14px; cursor: pointer; }
.pay-methods input { accent-color: var(--gold-d); }
.pay-methods input:checked + span { font-weight: 700; }
.agree { font-size: 13px; color: var(--ink-2); display: flex; gap: 8px; align-items: flex-start; margin: 14px 0 18px; }
.agree a { text-decoration: underline; }
.note { font-size: 12px; color: var(--ink-3); margin-top: 12px; }
.note.center { text-align: center; margin-top: 28px; }
.pg-badge { margin-top: 16px; font-size: 12px; color: var(--ink-3); }
.pg-badge b { color: var(--ink-2); }
.msg { display: none; margin-top: 14px; padding: 12px 14px; font-size: 13px; background: var(--gold-tint); border-radius: 6px; }

/* result */
.result { max-width: 640px; margin: 72px auto 96px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 44px; }
.result h1 { font-size: 26px; margin-bottom: 12px; }
.result .sub { color: var(--ink-2); }
.result .kv { border-top: 1px solid var(--line); margin-top: 24px; }
.result .kv div { display: flex; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.result .kv dt { width: 120px; color: var(--ink-3); flex: none; }
.result .kv dd { margin: 0; }

/* static pages */
.page { max-width: 820px; padding: 56px 24px 88px; margin: 0 auto; }
.page h1 { font-size: 32px; margin-bottom: 28px; }
.page h2 { font-size: 20px; margin: 36px 0 12px; }
.page p, .page li { color: var(--ink-2); font-size: 15px; }
.page table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; background: var(--white); }
.page th, .page td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.page th { background: var(--paper); font-weight: 600; width: 140px; }

/* footer */
.foot { background: var(--dark); color: rgba(248,250,253,.7); padding: 44px 0 48px; font-size: 13px; }
.foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.foot .brand { font-size: 18px; letter-spacing: 0.22em; font-weight: 800; color: #fff; margin-bottom: 12px; }
.foot dl { margin: 0; }
.foot dl div { display: flex; gap: 8px; margin-bottom: 4px; }
.foot dt { color: rgba(248,250,253,.45); flex: none; width: 92px; }
.foot dd { margin: 0; color: #f8fafd; }
.foot h4 { margin: 0 0 10px; font-size: 13px; color: var(--gold); }
.foot p { margin: 0 0 6px; }
.foot .big { font-size: 20px; color: #fff; margin-bottom: 4px; }
.foot .links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; color: rgba(248,250,253,.45); }
.foot .copy { margin-top: 12px; font-size: 12px; color: rgba(248,250,253,.45); }

@media (max-width: 900px) {
  .top .wrap { height: 60px; }
  .nav { gap: 14px; font-size: 12px; }
  .tel { display: none; }
  .hero { padding: 60px 0 52px; }
  .hero h1 { font-size: 32px; }
  .grid { grid-template-columns: 1fr; }
  .card .fit { min-height: 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .detail, .checkout { grid-template-columns: 1fr; gap: 28px; }
  .visual { position: static; aspect-ratio: auto; min-height: 220px; padding: 28px; }
  .foot .cols { grid-template-columns: 1fr; }
  .result { margin: 32px 16px; padding: 28px 20px; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .logo small { display: none; }
  .row2, .pay-methods, .steps { grid-template-columns: 1fr; }
}