:root {
  --acc: #E8481F;
  --acc-text: #C23C15;
  --ink: #111110;
  --ink2: #3D3935;
  --muted: #5E5853;
  --soft: #6E6863;
  --faint: #9A938D;
  --line: #EFEBE7;
  --tint: #FBF9F7;
  --col: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: #FFFFFF; color: var(--ink);
  font-family: 'Noto Sans KR', -apple-system, system-ui, sans-serif;
  word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--acc-text); }
a:hover { color: #8F2A0E; }
img { display: block; }
.mono { font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: var(--col); margin: 0 auto; }

/* ── buttons ── */
.pill-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 999px; text-decoration: none; font-weight: 600; white-space: nowrap; }
.pill-btn.dark { background: var(--ink); color: #fff; }
.pill-btn.dark:hover { background: #2A2724; color: #fff; }
.pill-btn.light { background: rgba(255,255,255,.72); color: var(--ink); border: 1px solid rgba(17,17,16,.1); font-weight: 500; }
.pill-btn.light:hover { background: #fff; color: var(--ink); }
.pill-btn.sm { height: 42px; padding: 0 20px; font-size: 14px; }
.pill-btn.lg { height: 54px; padding: 0 28px; font-size: 17px; }

/* ── hero ── */
.hero {
  margin: 16px 16px 0; border-radius: 28px; position: relative;
  background:
    radial-gradient(ellipse 34% 16% at 16% 78%, rgba(255,255,255,.95), rgba(255,255,255,0) 70%),
    radial-gradient(ellipse 30% 14% at 84% 70%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%),
    radial-gradient(ellipse 22% 10% at 64% 46%, rgba(255,255,255,.55), rgba(255,255,255,0) 70%),
    radial-gradient(ellipse 26% 12% at 30% 40%, rgba(255,255,255,.5), rgba(255,255,255,0) 70%),
    radial-gradient(circle at 88% 6%, rgba(255,140,90,.55), rgba(255,140,90,0) 38%),
    radial-gradient(circle at 8% 0%, rgba(255,196,150,.7), rgba(255,196,150,0) 40%),
    linear-gradient(180deg, #FFBF9C 0%, #FFD7BF 30%, #FFEADC 58%, #FFF7F1 80%, #FFFFFF 100%);
  padding-bottom: 400px;
}
.nav { height: 84px; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { border-radius: 22.5%; box-shadow: 0 0 0 .5px rgba(0,0,0,.1); }
.brand span { font-size: 24px; font-weight: 700; letter-spacing: -.03em; }
.nav-links { display: flex; gap: 32px; font-size: 15px; font-weight: 500; }
.nav-links a { color: #2A2724; text-decoration: none; }
.nav-links a:hover { color: var(--acc-text); }
.hero-copy { display: flex; flex-direction: column; align-items: center; gap: 26px; padding: 64px 24px 0; text-align: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 16px; border-radius: 999px; border: 1px solid rgba(17,17,16,.14); background: rgba(255,255,255,.55); color: #2A2724; text-decoration: none; font-size: 14px; font-weight: 500; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--acc); display: block; }
h1 { margin: 0; font-size: clamp(40px, 7.2vw, 80px); line-height: 1.14; font-weight: 700; letter-spacing: -.045em; }
.lead { margin: 0; max-width: 680px; font-size: clamp(17px, 1.6vw, 20px); line-height: 1.7; color: var(--ink2); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; padding-top: 4px; }
.meta { font-size: 13px; color: var(--muted); }
.hero-mock { position: relative; z-index: 2; padding: 0 16px; }
.fit { position: relative; width: 100%; margin: 0 auto; }
.fit-in { transform-origin: 0 0; position: absolute; left: 0; top: 0; }
.hero-mock .fit { max-width: 1200px; }

/* ── framed sections ── */
main { display: block; }
.frame { width: 100%; max-width: var(--col); margin: 0 auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-top: 1px solid var(--line); }
.frame.last { border-bottom: 1px solid var(--line); }
.frame.tint { background: var(--tint); }
.intro { border-top: none; padding: 150px 96px 120px; display: flex; flex-direction: column; gap: 32px; }
.sec { padding: 120px 48px 112px; display: flex; flex-direction: column; gap: 60px; }
.sec.center { align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 16px; font-weight: 600; color: var(--acc-text); text-decoration: none; }
.big-para { margin: 0; font-size: clamp(21px, 2.4vw, 30px); line-height: 1.6; font-weight: 500; letter-spacing: -.02em; color: var(--faint); }
.big-para span { color: var(--ink); }
.sec-head { display: flex; flex-direction: column; gap: 20px; }
.sec-head.center { align-items: center; text-align: center; }
.sec-head.row { flex-direction: row; justify-content: space-between; align-items: flex-end; gap: 64px; width: 100%; padding: 0 24px; }
.sec-head.row .sub { max-width: 460px; }
h2 { margin: 0; font-size: clamp(32px, 4.6vw, 56px); line-height: 1.22; font-weight: 700; letter-spacing: -.04em; }
.fade { color: #B5ADA6; }
.sub { margin: 0; max-width: 640px; font-size: clamp(16px, 1.4vw, 18px); line-height: 1.75; color: var(--muted); }
.cap { margin: 0; font-size: 16px; line-height: 1.7; color: var(--soft); }
.cap b { color: var(--ink); font-weight: 600; margin-right: 4px; }

/* video */
.video-box { width: 100%; max-width: 1120px; aspect-ratio: 16 / 9; border-radius: 24px; overflow: hidden; background: #FDD9C6; box-shadow: 0 0 0 1px rgba(17,17,16,.06), 0 40px 80px -36px rgba(140,60,20,.45); }
.video-box video { width: 100%; height: 100%; display: block; object-fit: cover; }
.steps { list-style: none; margin: -20px 0 0; padding: 0; width: 100%; max-width: 1120px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.steps li { display: flex; flex-direction: column; gap: 6px; padding-top: 14px; border-top: 2px solid #EDE8E3; }
.steps li:first-child, .steps li:last-child { border-top-color: var(--acc); }
.steps b { font-size: 16px; font-weight: 700; letter-spacing: -.02em; }
.steps em { font-style: normal; font-size: 12px; font-weight: 600; color: #6B5BC4; border: 1px dashed #B8A6FF; border-radius: 999px; padding: 1px 8px; margin-left: 4px; vertical-align: 2px; }
.steps span { font-size: 14px; line-height: 1.6; color: var(--soft); }

/* cards */
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; width: 100%; }
.grid3.text { gap: 40px; padding: 0 16px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 20px; width: 100%; }
.grid2.pad { padding: 0 24px; gap: 20px; }
.card { display: flex; flex-direction: column; gap: 20px; }
.card .cap { padding: 0 4px; }
.art { height: 320px; border-radius: 20px; position: relative; overflow: hidden; }
.art.short { height: 280px; }
.art.flat { background: #FAF8F6; box-shadow: 0 0 0 1px #F0ECE8; display: flex; align-items: center; justify-content: center; }
.ln { height: 10px; border-radius: 5px; background: #EADFD9; display: block; }
.art-toast { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); white-space: nowrap; height: 36px; display: flex; align-items: center; gap: 8px; padding: 0 14px; border-radius: 999px; background: rgba(28,25,23,.92); color: #fff; font-size: 13px; }
.kc-dark { font-family: 'JetBrains Mono', monospace; font-size: 11px; border: 1px solid rgba(255,255,255,.35); border-radius: 5px; padding: 1px 6px; }
.file { position: absolute; width: 76px; height: 96px; border-radius: 10px; background: #fff; box-shadow: 0 12px 28px -10px rgba(40,40,120,.35); display: flex; align-items: flex-end; justify-content: center; padding-bottom: 12px; }
.file span { font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 600; color: #fff; border-radius: 4px; padding: 2px 6px; }
.inner-card { max-width: calc(100% - 32px); border-radius: 12px; background: #fff; box-shadow: 0 16px 36px -16px rgba(0,0,0,.2), 0 0 0 .5px rgba(0,0,0,.08); padding: 20px 22px; }
.kv { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; padding: 14px 18px; border-bottom: 1px solid #F0ECE8; }
.kv b { font-weight: 600; }
.kv span { color: var(--muted); }
.layer { position: absolute; left: 50%; width: 300px; height: 150px; margin-left: -150px; transform: skewY(-12deg) rotate(8deg); border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
mark { background: #FFE1D3; color: inherit; border-radius: 3px; padding: 0 3px; }
.tagc { padding: 2px 8px; border-radius: 5px; background: #F1EDE9; color: #6B625C; }
.more-link { font-size: 15px; font-weight: 600; text-decoration: none; margin-top: -20px; }

/* split sections */
.split { flex-direction: row; align-items: center; gap: 56px; padding-left: 72px; padding-right: 72px; }
.split-text { flex: 5 1 0; display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.split-art { flex: 6 1 0; min-width: 0; }
.split.rev .split-art { flex: 7 1 0; }
.split.rev .split-text { flex: 4 1 0; }
.keys { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; padding-top: 6px; font-size: 14px; color: var(--ink2); }
.keys div { display: flex; align-items: center; gap: 10px; }
.kc { font-family: 'JetBrains Mono', monospace; font-size: 12px; min-width: 48px; text-align: center; border: 1px solid #E3DED9; border-bottom-width: 2px; border-radius: 6px; padding: 3px 6px; background: #fff; }

/* ask */
#ask { padding-left: 0; padding-right: 0; gap: 56px; }
#ask .sec-head.row { padding: 0 72px; }
.pipe { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pipe > div { padding: 36px 32px; display: flex; flex-direction: column; gap: 12px; border-right: 1px solid var(--line); }
.pipe > div:last-child { border-right: none; }
.pipe .n { font-size: 13px; color: #8A837D; }
.pipe b { font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.pipe p { margin: 0; font-size: 15px; line-height: 1.7; color: var(--soft); }
.stats { padding: 0 72px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.stats > div { display: flex; flex-direction: column; gap: 6px; }
.stats .big { font-size: clamp(40px, 4.4vw, 56px); font-weight: 500; letter-spacing: -.04em; line-height: 1.1; }
.stats .big small { font-size: .5em; color: #B5ADA6; }
.stats .big.acc { color: var(--acc); }
.stats > div > span:last-child { font-size: 15px; color: var(--soft); }
#ask .grid2.pad { padding: 0 72px; }
.demo { border-radius: 20px; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.demo .q { align-self: flex-end; max-width: 90%; background: #fff; box-shadow: 0 0 0 1px #EFE8E2; border-radius: 14px 14px 4px 14px; padding: 10px 16px; font-size: 14px; }
.demo .a { margin: 0; font-size: 14.5px; line-height: 1.72; color: #2A2724; }
.cap.line { border-top: 1px solid #F0EAE4; padding-top: 14px; font-size: 15px; }

/* CTA */
.cta {
  margin: 16px 16px 0; border-radius: 28px; padding: 96px 24px; display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center;
  background:
    radial-gradient(ellipse 36% 22% at 18% 86%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%),
    radial-gradient(ellipse 32% 20% at 86% 80%, rgba(255,255,255,.85), rgba(255,255,255,0) 70%),
    radial-gradient(circle at 50% -10%, rgba(255,140,90,.5), rgba(255,140,90,0) 50%),
    linear-gradient(180deg, #FFC4A3 0%, #FFDCC7 45%, #FFF1E7 100%);
}
.cta-icon { border-radius: 22px; box-shadow: 0 20px 40px -14px rgba(160,60,20,.45), 0 0 0 .5px rgba(0,0,0,.08); }
.cta h2 { font-size: clamp(34px, 5vw, 64px); letter-spacing: -.045em; }
.cta p { margin: 0; max-width: 560px; font-size: 18px; line-height: 1.7; color: var(--ink2); }
.beta-form { display: flex; gap: 8px; align-items: center; padding: 6px; border-radius: 999px; background: rgba(255,255,255,.82); box-shadow: 0 0 0 1px rgba(17,17,16,.08), 0 12px 30px -12px rgba(120,50,20,.3); width: 100%; max-width: 460px; }
.beta-form input { flex: 1; min-width: 0; height: 48px; border: none; background: transparent; padding: 0 20px; font: inherit; font-size: 16px; color: var(--ink); outline: none; }
.beta-form button { height: 48px; padding: 0 26px; border-radius: 999px; border: none; background: var(--ink); color: #fff; font: inherit; font-size: 16px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.cta-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; font-size: 13px; color: var(--muted); }

/* footer */
.footer { width: 100%; max-width: var(--col); margin: 0 auto; padding: 64px 24px 48px; font-size: 14px; color: var(--soft); }
.footer-top { display: flex; justify-content: space-between; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.footer-brand { max-width: 320px; display: flex; flex-direction: column; gap: 14px; }
.footer-brand .brand span { font-size: 20px; }
.footer-brand p { margin: 0; line-height: 1.7; }
.footer-cols { display: grid; grid-template-columns: repeat(3, minmax(120px, auto)); gap: 56px; }
.footer-cols div { display: flex; flex-direction: column; gap: 10px; }
.footer-cols h3 { margin: 0 0 4px; font-size: 13px; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.footer-cols a { color: var(--soft); text-decoration: none; }
.footer-cols a:hover { color: var(--ink); }
.footer-cols a b { color: var(--ink); font-weight: 700; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; flex-wrap: wrap; }
.footer-biz { margin: 12px 0 0; font-size: 12px; color: var(--faint); line-height: 1.7; }

/* ── tablet ── */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .intro { padding: 120px 48px 96px; }
  .sec { padding: 96px 32px 88px; }
  .split, .split.rev { flex-direction: column; align-items: stretch; padding-left: 32px; padding-right: 32px; }
  .split.rev .split-text { order: -1; }
  .sec-head.row { flex-direction: column; align-items: flex-start; gap: 20px; }
  #ask .sec-head.row, .stats, #ask .grid2.pad { padding-left: 32px; padding-right: 32px; }
  .pipe { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pipe > div:nth-child(2) { border-right: none; }
  .pipe > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; }
  .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid3.text { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; }
  .footer-top { flex-direction: column; }
}

/* ── phone ── */
@media (max-width: 680px) {
  .hero { margin: 8px 8px 0; border-radius: 22px; }
  .nav { height: 64px; padding: 0 16px; }
  .brand span { font-size: 20px; }
  .brand img { width: 28px; height: 28px; }
  .pill-btn.sm { height: 38px; padding: 0 16px; font-size: 13px; }
  .hero-copy { padding: 36px 20px 0; gap: 20px; }
  .badge { font-size: 12.5px; height: 30px; padding: 0 12px; }
  .cta-row { flex-direction: column; align-items: stretch; width: 100%; max-width: 360px; }
  .pill-btn.lg { height: 52px; font-size: 16px; }
  .hero-mock { padding: 0 12px; }
  .frame { border-left: none; border-right: none; }
  .intro { padding: 72px 20px 72px; gap: 22px; }
  .sec { padding: 72px 20px 72px; gap: 40px; }
  .split, .split.rev { padding-left: 20px; padding-right: 20px; gap: 36px; }
  #ask .sec-head.row, .stats, #ask .grid2.pad { padding-left: 20px; padding-right: 20px; }
  .sec-head.row { padding: 0; }
  .grid3, .grid2 { grid-template-columns: minmax(0, 1fr); }
  .grid2.pad { padding: 0; }
  .grid3.text { padding: 0; }
  .art { height: 290px; }
  .art.short { height: 250px; }
  .pipe { grid-template-columns: minmax(0, 1fr); }
  .pipe > div { border-right: none; border-bottom: 1px solid var(--line); padding: 26px 20px; }
  .pipe > div:last-child { border-bottom: none; }
  .steps { grid-template-columns: minmax(0, 1fr); margin-top: -8px; }
  .video-box { border-radius: 16px; }
  .cap { font-size: 15px; }
  .demo { padding: 22px; }
  .cta { margin: 8px 8px 0; border-radius: 22px; padding: 72px 20px; }
  .cta-icon { width: 76px; height: 76px; border-radius: 18px; }
  .cta p { font-size: 16px; }
  .beta-form { flex-direction: column; border-radius: 20px; padding: 8px; }
  .beta-form input { width: 100%; text-align: center; }
  .beta-form button { width: 100%; }
  .footer { padding: 48px 20px 36px; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .layer { width: 240px; margin-left: -120px; height: 120px; }
  .kv { grid-template-columns: 96px minmax(0, 1fr); padding: 12px 14px; }
}

/* ── policy pages ── */
.doc-page .footer { padding-top: 32px; border-top: 1px solid var(--line); margin-top: 64px; }
.doc-page .footer a { color: var(--soft); text-decoration: none; }
.doc-page .footer a b { color: var(--ink); }
.doc-nav { max-width: 880px; margin: 0 auto; height: 72px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
.doc-nav .brand span { font-size: 20px; }
.doc-nav nav { display: flex; gap: 20px; font-size: 14px; }
.doc-nav nav a { color: var(--soft); text-decoration: none; }
.doc-nav nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.doc { max-width: 880px; margin: 0 auto; padding: 56px 24px 0; font-size: 15.5px; line-height: 1.85; color: var(--ink2); }
.doc h1 { font-size: clamp(30px, 4vw, 40px); letter-spacing: -.03em; color: var(--ink); }
.doc h2 { font-size: 20px; letter-spacing: -.02em; line-height: 1.4; margin: 44px 0 12px; color: var(--ink); }
.doc h3 { font-size: 16px; margin: 24px 0 8px; color: var(--ink); }
.doc p { margin: 0 0 12px; }
.doc ul, .doc ol { margin: 0 0 12px; padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc code { font-family: 'JetBrains Mono', monospace; font-size: 13px; background: #F3EFEB; border-radius: 4px; padding: 1px 5px; }
.doc table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: 14px; line-height: 1.7; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc thead th { font-weight: 600; color: var(--ink); background: var(--tint); white-space: nowrap; }
.doc tbody th { width: 120px; font-weight: 600; color: var(--ink); }
.doc .note { font-size: 14px; color: var(--soft); }
.doc-kicker { font-size: 14px; font-weight: 600; color: var(--acc-text); margin: 0 0 8px !important; }
.doc-meta { font-size: 14px; color: var(--faint); margin: 10px 0 28px !important; }
.doc-summary { background: #FFF4EC; border-radius: 16px; padding: 20px 24px 12px; margin: 0 0 28px; }
.doc-summary h2 { margin: 0 0 8px; font-size: 16px; }
.doc-summary li { margin: 6px 0; }
.doc-page .footer-bottom { max-width: 880px; margin: 0 auto; }
@media (max-width: 680px) {
  .doc-nav { height: auto; padding: 16px 20px; flex-direction: column; align-items: flex-start; }
  .doc { padding: 36px 20px 0; font-size: 15px; }
}