:root{
  --ink:#191f28;--ink2:#4e5968;--ink3:#8b95a1;--line:#eef1f4;--bg:#f9fafb;
  --g:#0f8a5f;--g2:#16b57d;--g-dark:#0a3d2b;--mint:#e8f7ef;
  --r:28px;--ease:cubic-bezier(.2,.7,.2,1)
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Pretendard Variable",Pretendard,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.65;word-break:keep-all;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.center{text-align:center}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);transition:box-shadow .3s}
.top.scrolled{box-shadow:0 1px 0 var(--line)}
.top-in{display:flex;align-items:center;height:64px;gap:24px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;text-decoration:none;color:var(--ink);letter-spacing:-.03em}
.brand img{border-radius:9px}
.nav{display:flex;gap:28px;margin:0 auto}
.nav a{text-decoration:none;color:var(--ink2);font-weight:600;font-size:15px;transition:color .2s}
.nav a:hover{color:var(--ink)}
.pill{text-decoration:none;background:#f2f4f6;color:var(--ink);font-weight:700;font-size:14px;padding:9px 16px;border-radius:999px;transition:background .2s}
.pill:hover{background:#e5e8eb}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;font-size:16px;padding:15px 24px;border-radius:16px;transition:transform .2s var(--ease),background .2s}
.btn:hover{transform:translateY(-2px)}
.btn.white{background:#fff;color:var(--ink)}
.btn.ghost{background:#f2f4f6;color:var(--ink)}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.noti{animation:none!important}}

/* hero */
.hero{padding:8px 16px 0}
.hero-card{position:relative;max-width:1400px;margin:0 auto;border-radius:36px;overflow:hidden;background:radial-gradient(120% 90% at 85% 10%,#1fc58a 0%,#0f8a5f 38%,#0a3d2b 100%);color:#fff;display:grid;grid-template-columns:1.05fr .95fr;min-height:640px;padding:72px 72px 0}
.hero-txt{position:relative;z-index:2;align-self:center;padding-bottom:72px}
.hero-eyebrow{display:inline-block;margin:0 0 22px;font-size:15px;font-weight:700;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22)}
.hero h1{font-size:clamp(44px,6.4vw,84px);line-height:1.08;letter-spacing:-.045em;margin:0 0 26px;font-weight:800}
.hero h1 span{background:linear-gradient(90deg,#c9ffe6,#7ef0c0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:19px;line-height:1.6;color:rgba(255,255,255,.82);margin:0 0 34px}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-meta{font-size:14px;color:rgba(255,255,255,.7)}
.hero-vis{position:relative;z-index:2;align-self:end;justify-self:center;width:100%;max-width:420px}
.device{border-radius:44px;padding:10px;background:#0c0f12;box-shadow:0 40px 80px rgba(0,0,0,.35),inset 0 0 0 2px #2a2f36}
.device img{border-radius:34px}
.device.big{width:330px;margin:0 auto;transform:translateY(40px)}
.noti{position:absolute;display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.93);color:var(--ink);backdrop-filter:blur(12px);border-radius:20px;padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.22);width:320px;animation:float 6s ease-in-out infinite}
.noti img{border-radius:10px;flex:none}
.noti b{display:block;font-size:12.5px;color:var(--ink3);font-weight:600}
.noti span{display:block;font-size:15px;font-weight:700;line-height:1.35}
.noti em{display:block;font-style:normal;font-size:13px;color:var(--ink2)}
.n1{top:90px;left:-120px}
.n2{top:250px;right:-70px;width:280px;animation-delay:-3s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* statement */
.statement{padding:150px 0 130px;text-align:center}
.st-big{font-size:clamp(32px,4.8vw,60px);line-height:1.3;font-weight:800;letter-spacing:-.04em;margin:18px 0;color:#c4cad1}
.st-big b{color:var(--ink)}
.st-big b.red{color:#f04452}
.st-small{font-size:19px;color:var(--ink2);margin:0}

/* feature rows */
.feat{padding:60px 0}
.feat-in{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.feat.flip .feat-txt{order:2}
.eyebrow{margin:0 0 14px;font-weight:700;color:var(--g);font-size:17px}
.feat h2{font-size:clamp(32px,4vw,50px);line-height:1.22;letter-spacing:-.04em;margin:0 0 20px;font-weight:800}
.feat-p{font-size:19px;line-height:1.7;color:var(--ink2);margin:0;max-width:460px}
.feat-vis{border-radius:var(--r);padding:56px 0 0;display:flex;justify-content:center;overflow:hidden;height:560px}
.feat-vis .device{width:290px;align-self:flex-start}
.tone-mint{background:linear-gradient(180deg,#e6f8ef,#d3f1e2)}
.tone-sand{background:linear-gradient(180deg,#fff6e5,#ffecc7)}
.tone-sky{background:linear-gradient(180deg,#e8f3ff,#d4e8ff)}
.tone-lilac{background:linear-gradient(180deg,#f1edff,#e3dcff)}

/* mini grid */
.mini{padding:110px 0 40px}
.mini h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.04em;margin:0 0 44px}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mini-card{background:var(--bg);border-radius:24px;padding:28px}
.mini-card i{display:inline-flex;width:46px;height:46px;border-radius:14px;background:#fff;color:var(--g);align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.mini-card i svg{width:24px;height:24px}
.mini-card h3{margin:0 0 6px;font-size:19px;letter-spacing:-.02em}
.mini-card p{margin:0;color:var(--ink2);font-size:15.5px}

/* privacy */
.privacy{margin:110px 16px 0}
.privacy-in{background:#11161c;color:#fff;border-radius:36px;padding:90px 72px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;max-width:1400px}
.privacy h2{font-size:clamp(34px,4.4vw,56px);line-height:1.18;letter-spacing:-.045em;margin:0}
.pv-list{display:grid;gap:14px}
.pv-list div{display:grid;grid-template-columns:48px 1fr;column-gap:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:20px}
.pv-list i{grid-row:span 2;width:48px;height:48px;border-radius:14px;background:rgba(22,181,125,.18);color:#5ee6b0;display:flex;align-items:center;justify-content:center}
.pv-list i svg{width:24px;height:24px}
.pv-list b{font-size:18px}
.pv-list span{color:rgba(255,255,255,.62);font-size:15px}

/* guides */
.guides{padding:110px 0 30px}
.sec-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}
.sec-head h2{margin:0;font-size:clamp(28px,3.4vw,40px);letter-spacing:-.04em}
.sec-head a{color:var(--ink2);text-decoration:none;font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips a{background:#f2f4f6;border-radius:999px;padding:10px 18px;text-decoration:none;font-weight:600;font-size:15.5px;color:var(--ink);transition:background .2s,color .2s}
.chips a:hover{background:var(--mint);color:var(--g)}
.guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.guide-cards a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:22px;padding:26px;transition:border-color .2s,transform .2s var(--ease)}
.guide-cards a:hover{border-color:#cfe9dc;transform:translateY(-3px)}
.guide-cards b{display:block;font-size:18px;margin-bottom:4px}
.guide-cards span{color:var(--ink2);font-size:15px}

/* faq */
.faq-wrap{max-width:820px}
.faq-wrap h2{text-align:center;font-size:clamp(28px,3.4vw,40px);letter-spacing:-.04em;margin:100px 0 30px}
.faq details{border-bottom:1px solid var(--line);padding:22px 4px}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:18px;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-weight:400;font-size:26px;line-height:1;color:var(--ink3);transition:transform .25s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{margin:12px 0 0;color:var(--ink2);font-size:16.5px}

/* final */
.final{padding:110px 16px 0}
.final-card{max-width:1400px;margin:0 auto;border-radius:36px;background:radial-gradient(100% 120% at 50% 0%,#1fc58a,#0f8a5f 55%,#0a3d2b);color:#fff;text-align:center;padding:90px 24px}
.final-card img{margin:0 auto 26px;border-radius:24px;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.final-card h2{font-size:clamp(36px,5vw,64px);line-height:1.15;letter-spacing:-.045em;margin:0 0 34px}

/* footer */
.foot{margin-top:110px;padding:56px 0 64px;background:var(--bg);color:var(--ink3)}
.foot-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:26px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{text-decoration:none;color:var(--ink2);font-weight:600;font-size:14.5px}
.foot-note{font-size:13px;margin:6px 0;max-width:760px}

/* ---------- sub pages ---------- */
.article{max-width:760px;padding-top:12px;padding-bottom:20px}
.bc{font-size:14px;color:var(--ink3);margin:28px 0 0}
.bc a{color:var(--ink3);text-decoration:none}
.bc a:hover{color:var(--ink)}
.article h1{font-size:clamp(34px,5vw,52px);line-height:1.2;letter-spacing:-.045em;margin:18px 0 18px;font-weight:800}
.article h2{font-size:clamp(23px,2.8vw,30px);letter-spacing:-.035em;margin:64px 0 18px;line-height:1.3}
.article h3{font-size:19px;margin:30px 0 10px;letter-spacing:-.02em}
.article p,.article li{font-size:17px;color:#333d4b}
.lead2{font-size:19px!important;color:var(--ink2)!important;line-height:1.7}
.small{font-size:14px!important;color:var(--ink3)!important}
.box{background:var(--bg);border-radius:28px;padding:10px 32px 28px;margin-top:36px}
.box h2{margin-top:30px}
.steps{list-style:none;counter-reset:s;padding:0;margin:14px 0}
.steps li{counter-increment:s;position:relative;padding:14px 0 14px 52px;border-bottom:1px solid var(--line);margin:0}
.steps li:last-child{border-bottom:0}
.steps li:before{content:counter(s);position:absolute;left:0;top:12px;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
.box .steps li{border-color:#e9edf0}
.note{background:#fff7e8;border-radius:16px;padding:14px 18px;font-size:15.5px!important;color:#6b4e16!important}
.check{list-style:none;padding:0}
.check li{position:relative;padding:8px 0 8px 32px}
.check li:before{content:"";position:absolute;left:4px;top:15px;width:14px;height:8px;border-left:2.5px solid var(--g);border-bottom:2.5px solid var(--g);transform:rotate(-45deg)}
.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:16px;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.tbl th,.tbl td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.tbl tr:last-child td{border-bottom:0}
.tbl th{background:var(--bg);font-weight:700;color:var(--ink2);font-size:14.5px}
.tbl td a{color:var(--g);font-weight:700;text-decoration:none}
.article .faq details{padding:18px 2px}
.article .faq summary{font-size:17px}
.cta{display:flex;align-items:center;gap:18px;background:linear-gradient(135deg,#e8f7ef,#d7f3e5);border-radius:28px;padding:26px 28px;margin:64px 0 24px}
.cta img{border-radius:14px;flex:none}
.cta div{flex:1}
.cta strong{font-size:18px}
.cta p{margin:.25em 0 0!important;color:var(--ink2)!important;font-size:15.5px!important}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.card{display:block;border:1px solid var(--line);border-radius:24px;padding:26px;text-decoration:none;color:inherit;transition:border-color .2s,transform .2s var(--ease)}
.card:hover{border-color:#cfe9dc;transform:translateY(-3px)}
.card h3{margin:0 0 6px!important;font-size:19px}
.card p{margin:0;color:var(--ink2)!important;font-size:15.5px!important}
.is-sub section .chips{margin-top:8px}
.src{word-break:break-all}

/* responsive */
@media (max-width:900px){
  .nav{display:none}
  .pill{margin-left:auto}
  .hero-card{grid-template-columns:1fr;padding:56px 28px 0;min-height:0;border-radius:28px}
  .hero-txt{padding-bottom:40px}
  .hero-lead br{display:none}
  .hero-vis{max-width:340px}
  .device.big{width:250px;transform:translateY(30px)}
  .noti{width:250px;padding:11px 14px}
  .noti span{font-size:13.5px}.noti em{font-size:12px}
  .n1{top:40px;left:-28px}.n2{top:190px;right:-28px;width:220px}
  .statement{padding:100px 0 80px}
  .feat{padding:36px 0}
  .feat-in{grid-template-columns:1fr;gap:28px}
  .feat.flip .feat-txt{order:0}
  .feat-vis{height:440px;padding-top:40px}
  .feat-vis .device{width:230px}
  .mini-grid,.guide-cards,.grid2{grid-template-columns:1fr}
  .privacy-in{grid-template-columns:1fr;padding:56px 28px;border-radius:28px}
  .final-card{border-radius:28px;padding:64px 24px}
  .cta{flex-direction:column;text-align:center}
  .box{padding:6px 20px 20px}
}

/* lock screen mock */
.device.lock{width:300px;align-self:flex-start}
.lock-in{border-radius:34px;height:600px;background:linear-gradient(180deg,#24364a,#3b2f5c 60%,#563a6e);padding:46px 16px 0;color:#fff;text-align:center}
.lk-date{margin:0;font-size:15px;opacity:.85;font-weight:600}
.lk-time{margin:0 0 30px;font-size:72px;font-weight:700;line-height:1.05;letter-spacing:-.03em}
.lk-n{display:flex;gap:10px;text-align:left;background:rgba(255,255,255,.88);color:var(--ink);border-radius:18px;padding:12px 14px;margin-bottom:10px}
.lk-n img{border-radius:8px;flex:none;width:34px;height:34px}
.lk-n b{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink3)}
.lk-n b i{font-style:normal;font-weight:500}
.lk-n span{display:block;font-weight:700;font-size:14.5px;line-height:1.35;margin:1px 0}
.lk-n em{display:block;font-style:normal;font-size:12.5px;color:var(--ink2);line-height:1.4}
.lk-n.dim{opacity:.72;transform:scale(.96)}
.lk-pill{display:inline-block;margin-top:18px;background:#16b57d;color:#fff;font-weight:700;font-size:14px;padding:9px 16px;border-radius:999px}
@media (max-width:900px){.device.lock{width:240px}.lock-in{height:480px;padding-top:34px}.lk-time{font-size:56px;margin-bottom:22px}}