:root{
  --ivory:#FAF6EC; --ivory-2:#F3ECDC; --card:#FFFDF8;
  --ink:#241F19; --ink-2:#4A433A; --ink-soft:#7A7266;
  --teal:#2C6E63; --teal-d:#0C3B33; --teal-c:#D3E7E0; --teal-ink:#0E4A40;
  --gold:#B0821E; --gold-c:#F1E4C4;
  --line:#E6DBC3; --line-2:#EFE7D5;
  --sh-sm:0 2px 8px rgba(36,31,25,.05);
  --sh:0 14px 40px rgba(36,31,25,.10);
  --sh-lg:0 40px 80px rgba(36,31,25,.20);
  --r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);background:var(--ivory);
  font-family:"Pretendard Variable",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",
    "Noto Sans KR",Roboto,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{color:var(--gold);font-weight:800;font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:12px;font-weight:700;
  font-size:15px;padding:13px 20px;transition:transform .18s,box-shadow .18s,filter .18s;cursor:pointer;border:none}
.btn.primary{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(44,110,99,.28)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(44,110,99,.36)}
.btn.ghost{background:transparent;color:var(--teal-ink);border:1.5px solid var(--line)}
.btn.ghost:hover{background:var(--card)}
.play{display:inline-flex;align-items:center;gap:12px;background:var(--ink);color:#fff;
  border-radius:14px;padding:11px 20px;transition:transform .18s,box-shadow .18s;box-shadow:var(--sh-sm)}
.play:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.play small{display:block;font-size:11px;opacity:.8;font-weight:500;line-height:1.2}
.play b{display:block;font-size:16px;font-weight:800;line-height:1.2}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(250,246,236,.8);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
nav.scrolled{border-color:var(--line);box-shadow:var(--sh-sm)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;letter-spacing:-.2px}
.brand img{width:32px;height:32px;border-radius:9px;box-shadow:var(--sh-sm)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:15px;color:var(--ink-2);font-weight:600}
.nav-links a:hover{color:var(--teal)}
.nav-links .btn{padding:10px 18px}

/* decorative */
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;z-index:0;pointer-events:none}
.blob.t{width:520px;height:520px;background:radial-gradient(circle,#BFE0D6,transparent 70%);top:-160px;right:-120px}
.blob.g{width:420px;height:420px;background:radial-gradient(circle,#F1E1B4,transparent 70%);top:180px;left:-160px}

/* hero */
.hero{position:relative;padding:80px 0 56px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);
  color:var(--teal-ink);padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700;box-shadow:var(--sh-sm);margin-bottom:22px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-c)}
h1{font-size:clamp(34px,5vw,54px);line-height:1.12;letter-spacing:-1.2px;margin:0 0 18px;font-weight:800}
h1 .hl{background:linear-gradient(120deg,var(--teal),#3E9E8C);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{font-size:18.5px;color:var(--ink-2);margin:0 0 30px;max-width:520px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.trust{display:flex;align-items:center;gap:9px;margin-top:18px;color:var(--ink-soft);font-size:13.5px}
.trust svg{color:var(--teal)}

/* hero device */
.hero-visual{position:relative;display:flex;justify-content:center}
.device{position:relative;width:288px;border-radius:42px;padding:12px;background:linear-gradient(160deg,#2A2721,#3A362E);
  box-shadow:var(--sh-lg);z-index:1}
.device::after{content:"";position:absolute;top:22px;left:50%;transform:translateX(-50%);
  width:46%;height:26px;background:#26231d;border-radius:0 0 16px 16px;z-index:2}
.device img{border-radius:32px}
.chip-float{position:absolute;z-index:3;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:11px 14px;box-shadow:var(--sh);display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:700;animation:float 5s ease-in-out infinite}
.chip-float .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto}
.chip-float small{display:block;font-weight:500;color:var(--ink-soft);font-size:11.5px}
.cf-1{top:56px;left:-26px;animation-delay:0s}
.cf-2{bottom:96px;right:-30px;animation-delay:1.2s}
.cf-3{bottom:20px;left:-14px;animation-delay:2.2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(prefers-reduced-motion:reduce){.chip-float{animation:none}}

/* stat band */
.band{background:var(--ink);color:#fff;border-radius:24px;margin:8px 0 0;padding:34px 8px;box-shadow:var(--sh)}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.band .s{text-align:center}
.band .s b{display:block;font-size:38px;font-weight:800;letter-spacing:-1px;
  background:linear-gradient(120deg,#7FD1BF,#EBD9A6);-webkit-background-clip:text;background-clip:text;color:transparent}
.band .s span{font-size:13.5px;color:#C9C3B6}

/* sections */
section.block{padding:82px 0;position:relative}
.center{text-align:center;max-width:640px;margin:0 auto 46px}
h2{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.6px;margin:8px 0 14px;font-weight:800}
.center p{color:var(--ink-2);font-size:17px;margin:0}

/* features */
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;
  box-shadow:var(--sh-sm);transition:transform .2s,box-shadow .2s}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.fcard .ic{width:52px;height:52px;border-radius:15px;background:var(--teal-c);color:var(--teal-ink);
  display:grid;place-items:center;margin-bottom:16px}
.fcard.gold .ic{background:var(--gold-c);color:var(--gold)}
.fcard h3{margin:0 0 7px;font-size:19px;font-weight:800}
.fcard p{margin:0;color:var(--ink-soft);font-size:15.5px}

/* screens */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:940px;margin:0 auto}
.shot{display:flex;flex-direction:column;align-items:center;gap:14px}
.shot .frame{width:100%;max-width:250px;border-radius:32px;padding:9px;background:linear-gradient(160deg,#2A2721,#3A362E);box-shadow:var(--sh)}
.shot .frame img{border-radius:24px}
.shot .cap{font-size:14.5px;color:var(--ink-2);font-weight:600;text-align:center}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;position:relative}
.step .n{counter-increment:step;width:38px;height:38px;border-radius:11px;background:var(--teal);color:#fff;
  font-weight:800;display:grid;place-items:center;margin-bottom:14px}
.step .n::before{content:counter(step)}
.step h3{margin:0 0 6px;font-size:18px}
.step p{margin:0;color:var(--ink-soft);font-size:15px}

/* cta band */
.cta{background:linear-gradient(135deg,var(--teal),#1E574D);border-radius:28px;color:#fff;
  padding:56px 40px;text-align:center;box-shadow:var(--sh);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);top:-120px;right:-80px}
.cta h2{color:#fff;margin:0 0 10px}
.cta p{color:rgba(255,255,255,.85);font-size:17px;margin:0 0 26px}
.cta .play{background:#fff;color:var(--ink)}

/* footer */
footer{border-top:1px solid var(--line);padding:44px 0;margin-top:20px;color:var(--ink-soft);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer .brand{font-size:15px}
footer a{color:var(--teal);font-weight:600}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}

/* privacy doc */
.doc{max-width:760px;padding:56px 24px 40px}
.doc h1{font-size:32px;letter-spacing:-.6px}
.doc h2{font-size:20px;margin-top:30px}
.doc p,.doc li{font-size:15.5px}
.doc .muted{color:var(--ink-soft);font-size:14px}
.doc table{width:100%;border-collapse:collapse;margin:14px 0}
.doc th,.doc td{border:1px solid var(--line);padding:11px 13px;text-align:left;font-size:14.5px}
.doc th{background:var(--ivory-2)}

@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:52px 0 40px}
  .band .wrap{grid-template-columns:repeat(2,1fr);gap:22px 8px}
  .feat{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr;max-width:300px}
  .steps{grid-template-columns:1fr}
  .nav-links a:not(.btn){display:none}
  section.block{padding:60px 0}
}