/* 사이트뚝딱 · design system
   2026-11 리뉴얼: Pretendard, 넉넉한 여백, 얇은 보더 + 부드러운 그림자 */

:root{
  /* brand */
  --brand:#2547e8; --brand-600:#1b38c4; --brand-700:#162e9e;
  --brand-050:#edf0fe; --brand-100:#dbe1fd;
  /* neutrals */
  --ink:#0b0f1a; --ink-2:#141a26; --body:#4a5160; --muted:#77808f; --faint:#9aa2b1;
  --line:#e8eaf0; --line-soft:#f0f2f7;
  --surface:#ffffff; --surface-2:#f6f7fa; --surface-3:#eef1f6;
  /* feedback */
  --ok:#0f9d6e; --ok-soft:#e8f7f1;
  --warn:#9a6207; --warn-soft:#fdf6e6; --warn-line:#f3e0b5;
  --danger:#c0392b;

  /* legacy aliases (약관·개인정보 페이지에서 사용) */
  --panel:var(--surface-2); --bg:var(--surface); --brand-dark:var(--brand-600); --brand-soft:var(--brand-050);

  --radius:20px; --radius-sm:14px; --radius-xs:10px;
  --shadow-xs:0 1px 2px rgba(11,15,26,.05);
  --shadow-sm:0 2px 6px rgba(11,15,26,.04), 0 10px 24px -18px rgba(11,15,26,.22);
  --shadow-md:0 18px 40px -28px rgba(11,15,26,.35);
  --shadow-lg:0 48px 90px -50px rgba(11,15,26,.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Segoe UI",Roboto,sans-serif;
  color:var(--body);background:var(--surface);line-height:1.7;word-break:keep-all;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-feature-settings:"tnum" on;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;color:inherit}
input,textarea,select{font:inherit;color:inherit}
::selection{background:var(--brand-100);color:var(--ink)}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.03em;line-height:1.28}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
section[id]{scroll-margin-top:84px}
.wrap-narrow{max-width:780px;margin:0 auto;padding:0 24px}
@media(max-width:640px){.wrap,.wrap-narrow{padding:0 18px}}

/* ── navigation ─────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid rgba(232,234,240,.9)}
.nav-in{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
@media(max-width:640px){.nav-in{padding:12px 18px}}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:17.5px;
  color:var(--ink);letter-spacing:-.045em}
.logo svg{flex:none}
.logo:hover{opacity:.86}
.nav-links{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--muted)}
.nav-links a.navt{padding:8px 11px;border-radius:9px;transition:color .15s,background .15s}
.nav-links a.navt:hover{color:var(--ink);background:var(--surface-2)}
@media(max-width:720px){.nav-links a.navt{display:none}}

/* ── buttons ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:13px;padding:0 22px;height:50px;
  font-weight:700;font-size:15px;letter-spacing:-.02em;white-space:nowrap;
  transition:transform .14s ease, background .16s ease, box-shadow .16s ease, border-color .16s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(37,71,232,.85)}
.btn-primary:hover{background:var(--brand-600);box-shadow:0 14px 28px -14px rgba(37,71,232,.85)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-xs)}
.btn-ghost:hover{background:var(--surface-2);border-color:#dcdfe8}
.btn-soft{background:var(--brand-050);color:var(--brand-700)}
.btn-soft:hover{background:var(--brand-100)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-sm{height:40px;padding:0 15px;font-size:13.5px;border-radius:11px}
.btn-lg{height:56px;padding:0 28px;font-size:16px;border-radius:15px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:default;transform:none;box-shadow:none}

/* ── hero ───────────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(760px 420px at 78% -6%, #e7ebff 0%, rgba(231,235,255,0) 62%),
    radial-gradient(520px 360px at 4% 4%, #f2f4ff 0%, rgba(242,244,255,0) 70%),
    #fff;
  border-bottom:1px solid var(--line)}
.hero:before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,15,26,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(11,15,26,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(600px 340px at 70% 0%,#000 0%,transparent 78%);
          mask-image:radial-gradient(600px 340px at 70% 0%,#000 0%,transparent 78%)}
.hero-in{position:relative;max-width:1120px;margin:0 auto;padding:76px 24px 72px;
  display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr;gap:40px;padding:52px 18px 56px;text-align:center}
}
.pill{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--brand-700);
  font-size:12.5px;font-weight:700;padding:7px 13px 7px 11px;border-radius:999px;
  border:1px solid var(--brand-100);box-shadow:var(--shadow-xs);letter-spacing:-.01em}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero h1{margin-top:20px;font-size:clamp(31px,4.6vw,54px);line-height:1.22;letter-spacing:-.045em}
.hero h1 em{font-style:normal;color:var(--brand);white-space:nowrap;
  background:linear-gradient(transparent 88%,var(--brand-100) 88%,var(--brand-100) 98%,transparent 98%)}
.hero p.lead{margin-top:18px;max-width:480px;font-size:16px;color:var(--body);line-height:1.78;letter-spacing:-.01em}
@media(max-width:1000px){.hero p.lead{margin-left:auto;margin-right:auto}}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
@media(max-width:1000px){.hero-cta{justify-content:center}}
.hero-note{margin-top:16px;font-size:12.5px;color:var(--faint);letter-spacing:-.01em}
.hero-device{position:relative;display:flex;flex-direction:column;align-items:center}
@media(max-width:1000px){.hero-device{display:none}}

.device{position:relative;width:266px;padding:9px;border-radius:44px;
  background:linear-gradient(160deg,#2a2f3a,#0d1017 60%);
  box-shadow:0 60px 90px -50px rgba(11,15,26,.7), 0 0 0 1px rgba(255,255,255,.4) inset}
.device-screen{position:relative;width:100%;aspect-ratio:9/19.1;border-radius:36px;overflow:hidden;background:#fff}
.device-screen iframe{position:absolute;top:0;left:0;width:390px;height:828px;border:0;
  transform-origin:top left;pointer-events:none}
.device:after{content:"";position:absolute;top:16px;left:50%;transform:translateX(-50%);
  width:76px;height:6px;border-radius:99px;background:#1b1f27;z-index:4}
.float{position:absolute;z-index:3;display:flex;align-items:center;gap:9px;background:#fff;
  border:1px solid var(--line);border-radius:14px;padding:10px 14px 10px 11px;
  box-shadow:0 18px 34px -22px rgba(11,15,26,.45);font-size:12.5px;font-weight:700;color:var(--ink);
  letter-spacing:-.02em;white-space:nowrap}
.float .ic{width:26px;height:26px;border-radius:8px;background:var(--brand-050);color:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:none}
.float.f1{top:88px;left:-34px;animation:bob 6s ease-in-out infinite}
.float.f2{bottom:118px;right:-34px;animation:bob 6s ease-in-out infinite .8s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media(prefers-reduced-motion:reduce){.float{animation:none}}
@media(max-width:1240px){.float.f1{left:-16px}.float.f2{right:-22px}}
.hero-device .cap{margin-top:18px;font-size:12px;color:var(--faint);text-align:center}

/* ── sections ───────────────────────────────────────────── */
.section{padding:88px 0}
@media(max-width:720px){.section{padding:60px 0}}
.section.tint{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:640px;margin:0 auto 44px;text-align:center}
@media(max-width:720px){.section-head{margin-bottom:30px}}
.eyebrow{display:inline-block;font-size:11.5px;font-weight:800;color:var(--brand);
  letter-spacing:.14em;text-transform:uppercase}
.section h2{font-size:clamp(23px,3.1vw,34px);margin-top:10px;letter-spacing:-.04em;line-height:1.32}
.section p.sub{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.75;letter-spacing:-.01em}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:860px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{font-size:16px;margin-bottom:8px;letter-spacing:-.03em}
.card p{font-size:14px;color:var(--muted);line-height:1.72;letter-spacing:-.01em}
.icon{width:42px;height:42px;border-radius:12px;background:var(--brand-050);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
@media(max-width:860px){.steps{grid-template-columns:1fr;gap:14px}}
.step{position:relative;padding:0 26px 0 0}
@media(max-width:860px){.step{padding:0}}
.step-in{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  height:100%;box-shadow:var(--shadow-xs)}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;background:var(--brand);color:#fff;font-weight:800;font-size:14px;margin-bottom:16px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}

/* demo cards */
.demo{display:block;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-xs);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease}
.demo:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dcdfe8}
.demo .shot{position:relative;aspect-ratio:4/3;background:var(--surface-3);overflow:hidden}
.demo .shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.demo:hover .shot img{transform:scale(1.04)}
.demo-body{padding:18px 20px 20px}
.demo-body .tag{display:inline-block;font-size:11px;font-weight:800;color:var(--brand-700);
  background:var(--brand-050);padding:4px 9px;border-radius:6px;letter-spacing:-.01em}
.demo-body h3{font-size:15.5px;margin:10px 0 4px;letter-spacing:-.03em}
.demo-body p{font-size:13px;color:var(--muted)}
.demo-body .go{margin-top:14px;display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--brand)}

/* bento */
.bento{display:grid;grid-template-columns:1.05fr 1fr;gap:16px;align-items:stretch}
@media(max-width:900px){.bento{grid-template-columns:1fr}}
.bento-main{background:var(--ink);border-radius:24px;padding:30px;color:#fff;position:relative;overflow:hidden;
  display:flex;flex-direction:column}
.bento-main h3{color:#fff;font-size:19px;margin-bottom:8px;letter-spacing:-.035em}
.bento-main p{color:#aab2c4;font-size:13.5px;line-height:1.7;max-width:330px}
.bento-main:before{content:"";position:absolute;width:420px;height:420px;right:-160px;top:-170px;
  background:radial-gradient(closest-side,rgba(37,71,232,.75),transparent);border-radius:50%}
.mock{position:relative;margin-top:24px;margin-bottom:16px;background:#fff;border-radius:16px;padding:18px 18px 8px;
  box-shadow:0 30px 50px -30px rgba(0,0,0,.8)}
.mock-faq{display:flex;align-items:center;gap:9px;margin-top:auto;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);border-radius:12px;
  padding:11px 14px;font-size:12.5px;color:#dbe2f0;line-height:1.5;letter-spacing:-.01em;position:relative}
.mock-faq .live{width:6px;height:6px;border-radius:50%;background:#3ddc97;flex:none;
  box-shadow:0 0 0 3px rgba(61,220,151,.16)}
.mock-faq b{color:#fff;font-weight:700}
.mock .mh{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mock .mh b{font-size:13px;color:var(--ink);letter-spacing:-.02em}
.mock .mh span{font-size:10.5px;font-weight:800;color:var(--brand);background:var(--brand-050);padding:3px 7px;border-radius:5px}
.mock-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line-soft)}
.mock-row .n{font-size:13px;font-weight:700;color:var(--ink)}
.mock-row .d{font-size:11px;color:var(--faint);margin-top:1px}
.mock-row .p{font-size:13px;font-weight:800;color:var(--brand);white-space:nowrap}
.bento-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.bento-side{grid-template-columns:1fr}}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-xs);
  display:flex;flex-direction:column;justify-content:flex-start}
.fcard p{margin-top:8px}
.fstrip{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 24px;margin-top:16px;box-shadow:var(--shadow-xs)}
.fstrip .icon{margin-bottom:0;flex:none}
.fstrip .txt{min-width:0}
.fstrip h3{font-size:14.5px;letter-spacing:-.03em;margin-bottom:2px}
.fstrip p{font-size:13px;color:var(--muted);line-height:1.6}
.fstrip .go{margin-left:auto;flex:none;font-size:12.5px;font-weight:700;color:var(--brand)}
@media(max-width:560px){.fstrip{padding:16px 18px;align-items:flex-start}.fstrip .go{display:none}}
.fcard h3{font-size:14.5px;margin-bottom:6px;letter-spacing:-.03em}
.fcard p{font-size:13px;color:var(--muted);line-height:1.65}
.fcard .icon{width:36px;height:36px;border-radius:10px;margin-bottom:13px}

/* chips row */
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:24px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;
  font-size:12.5px;font-weight:600;color:var(--body);box-shadow:var(--shadow-xs)}

/* pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch;max-width:880px;margin:0 auto}
@media(max-width:760px){.plans{grid-template-columns:1fr}}
.plan{border:1px solid var(--line);border-radius:22px;padding:30px;background:#fff;
  display:flex;flex-direction:column;box-shadow:var(--shadow-xs)}
.plan.featured{background:var(--ink);border-color:var(--ink);color:#fff;
  box-shadow:0 40px 70px -46px rgba(11,15,26,.85)}
.plan .name{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:var(--ink);letter-spacing:-.02em}
.plan.featured .name{color:#fff}
.plan .price{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.045em;margin:14px 0 2px;line-height:1.1}
.plan.featured .price{color:#fff}
.plan .price span{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0}
.plan.featured .price span{color:#9aa4b8}
.plan .plan-note{font-size:12.5px;color:var(--faint);margin-bottom:18px}
.plan ul{list-style:none;margin:18px 0 24px;display:grid;gap:11px}
.plan li{font-size:13.5px;color:var(--body);display:flex;gap:9px;align-items:flex-start;line-height:1.6}
.plan.featured li{color:#cdd4e2}
.plan li svg{flex:none;margin-top:3px;color:var(--brand)}
.plan.featured li svg{color:#7d95ff}
.plan .btn{margin-top:auto}
.badge-soon{display:inline-block;font-size:10.5px;font-weight:800;color:var(--warn);
  background:var(--warn-soft);border:1px solid var(--warn-line);padding:3px 8px;border-radius:6px;letter-spacing:-.01em}
.plan.featured .badge-soon{background:rgba(255,196,79,.14);border-color:rgba(255,196,79,.32);color:#ffc44f}
.price-foot{max-width:880px;margin:18px auto 0;font-size:12.5px;color:var(--faint);text-align:center;line-height:1.7}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
@media(max-width:860px){.faq-wrap{grid-template-columns:1fr;gap:24px}}
.faq-side{position:sticky;top:96px}
@media(max-width:860px){.faq-side{position:static}}
.faq-side h2{font-size:clamp(23px,3vw,32px);margin-top:10px}
.faq-side p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.75}
details.faq{border-bottom:1px solid var(--line);padding:20px 0}
details.faq:first-of-type{border-top:1px solid var(--line)}
details.faq summary{list-style:none;cursor:pointer;font-weight:700;color:var(--ink);font-size:15px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;letter-spacing:-.02em}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:after{content:"";flex:none;width:22px;height:22px;border-radius:7px;
  background:var(--surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 1v10M1 6h10' stroke='%2377808f' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") center/12px 12px no-repeat;
  transition:transform .2s ease}
details.faq[open] summary:after{transform:rotate(45deg)}
details.faq p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8;letter-spacing:-.01em}

/* footer */
.footer{border-top:1px solid var(--line);background:var(--surface-2);padding:56px 0 48px;font-size:13px;color:var(--muted)}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid var(--line)}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:26px}}
.footer .brandline{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;color:var(--ink);
  letter-spacing:-.04em;margin-bottom:10px}
.footer .tagline{font-size:13px;line-height:1.75;max-width:340px}
.footer .links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;font-weight:600;color:var(--body)}
.footer .links a:hover{color:var(--brand)}
.footer .links a.strong{color:var(--ink);font-weight:700}
.biz{display:grid;gap:5px;line-height:1.75;font-size:12.5px;color:var(--muted)}
.biz b{color:var(--body);font-weight:600;margin-right:5px}
.footer .copy{margin-top:26px;font-size:12px;color:var(--faint);display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap}

/* ── sticky mobile cta ──────────────────────────────────── */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:none}
.sticky-cta .btn{width:100%}
@media(max-width:720px){.sticky-cta{display:block}body{padding-bottom:78px}}

/* ── shared forms ───────────────────────────────────────── */
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px;letter-spacing:-.02em}
.field .hint{font-size:12px;color:var(--faint);margin-top:7px;line-height:1.6}
.input,textarea.input{width:100%;border:1px solid #e2e5ec;border-radius:12px;padding:13px 15px;font-size:15px;
  outline:none;background:#fff;color:var(--ink);transition:border-color .15s, box-shadow .15s;
  box-shadow:0 1px 2px rgba(11,15,26,.03)}
.input::placeholder{color:#a6adba}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(37,71,232,.12)}
textarea.input{resize:vertical;min-height:92px;line-height:1.65}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.row-2{grid-template-columns:1fr}}
.notice{background:var(--warn-soft);border:1px solid var(--warn-line);color:var(--warn);
  font-size:13px;padding:13px 15px;border-radius:12px;line-height:1.65}
.notice.info{background:var(--brand-050);border-color:var(--brand-100);color:var(--brand-700)}
.toast{position:fixed;left:50%;transform:translateX(-50%) translateY(8px);bottom:96px;background:var(--ink);color:#fff;
  padding:12px 20px;border-radius:12px;font-size:13.5px;font-weight:600;z-index:200;opacity:0;
  pointer-events:none;transition:opacity .2s, transform .2s;box-shadow:var(--shadow-md);max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* helpers */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* legal documents */
.doc table{width:100%;border-collapse:collapse;margin:14px 0;font-size:12.8px}
.doc th,.doc td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top;line-height:1.6}
.doc th{background:var(--surface-2);color:var(--ink);font-weight:700;white-space:nowrap}
.doc td{color:var(--body)}
.doc a{color:var(--brand)}
@media(max-width:560px){.doc th,.doc td{padding:8px 9px;font-size:12.2px}}