/* 큰손온 제품 페이지 공통 스타일 (5개 폴더에 같은 파일을 복사해 씀) */
:root {
  --canvas:#11141b; --surface:#191e28; --raised:#232b38; --deep:#0c0f15;
  --ink:#edf2fa; --muted:#a0adc0; --subtle:#b8c3d5; --line:#303948;
  --blue:#8ab9ff; --blue-strong:#6f9dff; --blue-ink:#0d1424;
  --green:#68d7b3; --yellow:#ffd36b; --red:#ff8a8a; --purple:#c3a6ff;
  --kakao:#FEE500; --kakao-ink:#191919;
  --radius:18px;
  --font:"Segoe UI Variable Text","Segoe UI","Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  --num:"Bahnschrift","Segoe UI",sans-serif;
  color-scheme:dark;
}
*,*::before,*::after { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:120px; -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--canvas); color:var(--ink); font:16px/1.7 var(--font); word-break:keep-all; overflow-wrap:break-word; -webkit-font-smoothing:antialiased; }
body::before { content:""; position:fixed; inset:0 0 auto; height:520px; z-index:-1; pointer-events:none; background:radial-gradient(60% 100% at 70% 0%,rgba(111,157,255,.14),transparent 70%); }
img,video,svg { max-width:100%; }
a { color:inherit; text-decoration:none; }
button,input,select { font:inherit; color:inherit; }
button { cursor:pointer; }
h1,h2,h3,h4,p,figure { margin:0; }
h1,h2,h3,h4 { line-height:1.3; text-wrap:balance; letter-spacing:-.02em; }
:focus-visible { outline:3px solid var(--blue); outline-offset:3px; border-radius:6px; }
[hidden] { display:none !important; }
.skip { position:fixed; left:12px; top:-60px; z-index:100; padding:10px 16px; background:var(--blue); color:var(--blue-ink); border-radius:10px; font-weight:700; }
.skip:focus { top:12px; }
.wrap { width:min(1200px,calc(100% - 64px)); margin-inline:auto; }

/* 헤더 */
.hdr { position:sticky; top:0; z-index:40; background:rgba(17,20,27,.9); -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px); border-bottom:1px solid var(--line); }
.hdr-in { display:flex; align-items:center; gap:28px; min-height:72px; }
.brand { display:inline-flex; align-items:center; gap:10px; font-size:20px; font-weight:800; letter-spacing:-.03em; white-space:nowrap; }
.k-badge { display:grid; place-items:center; width:30px; height:30px; border-radius:9px 9px 9px 3px; background:linear-gradient(135deg,#9cc4ff,#5f86ff); color:var(--blue-ink); font:800 18px/1 var(--num); }
.pnav { display:flex; gap:4px; margin-left:auto; }
.pnav a { display:inline-flex; align-items:center; min-height:40px; padding:0 12px; border-radius:10px; color:var(--muted); font-size:15px; font-weight:600; white-space:nowrap; }
.pnav a:hover { color:var(--ink); background:var(--surface); }
.pnav a[aria-current="page"] { color:var(--ink); background:var(--raised); }

/* 버튼 */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:48px; padding:12px 22px; border:1px solid transparent; border-radius:12px; font-size:15px; font-weight:700; line-height:1.2; white-space:nowrap; text-align:center; transition:background .15s,border-color .15s,color .15s; }
.btn-primary { background:var(--blue); color:var(--blue-ink); }
.btn-primary:hover { background:#a3c8ff; }
.btn-ghost { border-color:var(--line); color:var(--ink); background:transparent; }
.btn-ghost:hover { border-color:var(--blue); color:var(--blue); }
.btn-kakao { background:var(--kakao); color:var(--kakao-ink); }
.btn-kakao:hover { background:#f2d900; }
.btn-sm { min-height:40px; padding:8px 16px; font-size:14px; border-radius:10px; }
.btn-block { width:100%; }

/* 히어로 */
.hero { display:grid; grid-template-columns:1fr 1.05fr; gap:56px; align-items:center; padding:80px 0 88px; }
.hero > * { min-width:0; }
.eyebrow { display:inline-flex; align-items:center; gap:8px; margin-bottom:20px; color:var(--blue); font-size:15px; font-weight:700; }
.eyebrow::before { content:""; width:8px; height:8px; border-radius:50%; background:var(--blue); box-shadow:0 0 0 5px rgba(138,185,255,.15); }
h1 { font-size:clamp(36px,4.6vw,58px); font-weight:800; letter-spacing:-.035em; line-height:1.22; }
.lead { margin-top:22px; color:var(--subtle); font-size:18px; line-height:1.75; max-width:560px; }
.actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:32px; }

/* 섹션 */
.sec { padding:88px 0; border-top:1px solid var(--line); }
.sec-head { margin-bottom:40px; max-width:720px; }
.kicker { margin-bottom:10px; color:var(--blue); font-size:14px; font-weight:700; }
h2 { font-size:clamp(26px,3.2vw,38px); font-weight:800; }
.sec-head p:not(.kicker) { margin-top:12px; color:var(--muted); font-size:17px; }

/* 그리드·카드 */
.grid { display:grid; gap:18px; }
.g2 { grid-template-columns:repeat(2,minmax(0,1fr)); }
.g3 { grid-template-columns:repeat(3,minmax(0,1fr)); }
.g4 { grid-template-columns:repeat(4,minmax(0,1fr)); }
.card { min-width:0; padding:26px 24px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); }
.card h3 { font-size:19px; }
.card :where(p) { margin-top:10px; color:var(--muted); font-size:15px; line-height:1.75; }
.icon { display:grid; place-items:center; width:44px; height:44px; margin-bottom:16px; border-radius:12px; background:rgba(138,185,255,.12); color:var(--blue); font:700 16px/1 var(--num); }
.icon svg { width:22px; height:22px; }
ul.plain { list-style:none; margin:0; padding:0; }
.list-card { list-style:none; margin:0; padding:0; }

/* 전후 비교 */
.compare { display:grid; grid-template-columns:1fr auto 1fr; gap:20px; align-items:stretch; }
.compare > .card { display:flex; flex-direction:column; }
.compare-arrow { display:grid; place-items:center; color:var(--blue); font-size:28px; }
.tag { display:inline-flex; align-items:center; align-self:flex-start; min-height:26px; padding:2px 10px; border-radius:999px; font-size:13px; font-weight:700; background:var(--raised); color:var(--subtle); white-space:nowrap; }
.tag-blue { background:rgba(138,185,255,.15); color:var(--blue); }
.tag-green { background:rgba(104,215,179,.15); color:var(--green); }

/* 단계 */
.steps { display:grid; gap:18px; list-style:none; margin:0; padding:0; counter-reset:step; }
.steps li { counter-increment:step; position:relative; padding:26px 24px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); min-width:0; }
.steps li::before { content:counter(step,decimal-leading-zero); display:block; margin-bottom:12px; color:var(--blue); font:700 15px/1 var(--num); }
.steps h3 { font-size:18px; }
.steps p { margin-top:8px; color:var(--muted); font-size:15px; }
.steps .btn { margin-top:18px; }

/* 가격 */
.price-card { display:flex; flex-direction:column; }
.price-card.featured { border:2px solid var(--blue); padding:25px 23px; }
.plan-top { display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; }
.price { margin:18px 0 6px; color:var(--ink); font:700 40px/1.15 var(--num); letter-spacing:-.02em; }
.price small { margin-left:4px; font:600 16px/1 var(--font); color:var(--muted); letter-spacing:0; }
.price-sub { color:var(--muted); font-size:14px; }
.checks { list-style:none; margin:20px 0 0; padding:0; font-size:15px; color:var(--subtle); }
.checks li { position:relative; padding-left:24px; margin-top:8px; }
.checks li::before { content:""; position:absolute; left:2px; top:.5em; width:12px; height:7px; border-left:2px solid var(--blue); border-bottom:2px solid var(--blue); transform:rotate(-45deg); }
.buy { margin-top:auto; padding-top:22px; }
.refund-note { margin-bottom:12px; padding:10px 12px; border-radius:10px; background:var(--deep); color:var(--muted); font-size:13px; line-height:1.6; }
.note-line { margin-top:20px; color:var(--muted); font-size:14px; }

/* FAQ */
.faq-wrap { display:grid; grid-template-columns:1fr 1.8fr; gap:56px; }
.faq { border-top:1px solid var(--line); }
.faq details { border-bottom:1px solid var(--line); }
.faq summary { display:flex; justify-content:space-between; align-items:center; gap:16px; min-height:64px; padding:16px 0; font-size:16px; font-weight:700; cursor:pointer; list-style:none; }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; flex-shrink:0; color:var(--muted); font-size:22px; font-weight:400; }
.faq details[open] summary::after { content:"−"; }
.faq details p { padding:0 8px 20px 0; color:var(--muted); font-size:15px; }
.faq a { color:var(--blue); text-decoration:underline; text-underline-offset:3px; }

/* 곧 추가될 기능 */
.soon .card { position:relative; }
.soon .tag { margin-bottom:14px; }

/* 데모 무대 */
.stage { overflow:hidden; background:var(--deep); border:1px solid var(--line); border-radius:22px; box-shadow:0 30px 60px rgba(0,0,0,.35); }
.stage-bar { display:flex; justify-content:space-between; align-items:center; gap:10px; padding:14px 18px; border-bottom:1px solid var(--line); color:var(--muted); font-size:13px; }
.stage-bar b { display:inline-flex; align-items:center; gap:8px; color:var(--ink); font-weight:700; }
.stage-bar b::before { content:""; width:7px; height:7px; border-radius:50%; background:var(--green); }

/* 푸터 */
.ftr { margin-top:0; padding:48px 0 56px; border-top:1px solid var(--line); background:var(--deep); color:var(--muted); font-size:14px; }
.ftr-top { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:16px 28px; margin-bottom:24px; }
.ftr .brand { color:var(--ink); font-size:18px; }
.ftr .k-badge { width:26px; height:26px; font-size:15px; }
.ftr-nav { display:flex; flex-wrap:wrap; gap:4px 18px; }
.ftr-nav a:hover,.ftr-links a:hover { color:var(--ink); }
.ftr p { margin-top:6px; }
.ftr-links { margin-top:14px !important; }
.ftr-links a { text-decoration:underline; text-underline-offset:3px; }

/* PC 오픈카톡 원형 버튼: 본문(최대 1200px) 바깥 여백이 충분한 넓은 화면에서만 보인다 */
.fab { display:none; }
@media (min-width:1400px) {
  .fab { position:fixed; right:24px; bottom:24px; z-index:30; display:grid; place-items:center; width:56px; height:56px; border-radius:50%; background:var(--kakao); box-shadow:0 8px 22px rgba(0,0,0,.4); }
  .fab:hover { transform:translateY(-2px); }
}

@media (max-width:1024px) {
  .hero { grid-template-columns:1fr; gap:40px; padding:56px 0 64px; }
  .g3,.g4 { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .faq-wrap { grid-template-columns:1fr; gap:24px; }
}
@media (max-width:860px) {
  .hdr-in { flex-wrap:wrap; gap:6px 12px; min-height:0; padding:10px 0 6px; }
  .hdr-cta { margin-left:auto; }
  .pnav { order:3; width:100%; margin-left:0; justify-content:space-between; gap:0; }
  .pnav a { padding:0 8px; font-size:14px; min-height:40px; }
  .compare { grid-template-columns:1fr; }
  .compare-arrow { transform:rotate(90deg); }
}
@media (max-width:680px) {
  .wrap { width:calc(100% - 40px); }
  .g2,.g3,.g4 { grid-template-columns:1fr; }
  .sec { padding:64px 0; }
  .sec-head { margin-bottom:28px; }
  .hero { padding:40px 0 56px; }
  .lead { font-size:17px; }
  .actions .btn { flex:1 1 100%; }
  .card { padding:22px 20px; }
  .price-card.featured { padding:21px 19px; }
}
@media (max-width:400px) {
  .wrap { width:calc(100% - 32px); }
  .pnav a { padding:0 4px; font-size:13.5px; }
  .brand { font-size:18px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition:none !important; }
}