/* BriefingX — site styles */
:root{
  --bg:#0A0A0B;
  --surface:#1C1C1E;
  --surface-2:#121213;
  --surface-3:#2C2C2E;
  --accent:#3DE0B4;
  --accent-hi:#6CEBC8;
  --accent-ink:#04231B;
  --text:#fff;
  --muted:rgba(235,235,245,.62);
  --muted-2:rgba(235,235,245,.5);
  --muted-3:rgba(235,235,245,.45);
  --line:rgba(255,255,255,.06);
  --wrap:1120px;
  --wrap-narrow:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hi)}
img{max-width:100%}
h1,h2,h3{margin:0;letter-spacing:-.035em}
p{margin:0}
[hidden]{display:none!important}

@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

.wrap{max-width:var(--wrap);margin:0 auto;padding-left:24px;padding-right:24px}
.wrap-narrow{max-width:var(--wrap-narrow);margin:0 auto;padding-left:24px;padding-right:24px}
.dot{width:6px;height:6px;border-radius:3px;background:var(--accent);flex:none;animation:pulseDot 2.4s ease-in-out infinite}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:rgba(10,10,11,.72);border-bottom:1px solid var(--line)}
.site-header .wrap,.site-header .wrap-narrow{padding-top:14px;padding-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:none}
.brand:hover{color:#fff}
.brand span{font-size:18px;font-weight:700;letter-spacing:-.035em}
.nav{display:flex;align-items:center;gap:22px;font-size:13.5px;font-weight:550}
.nav a{color:var(--muted)}
.nav a:hover{color:#fff}
.nav-links{display:flex;align-items:center;gap:22px}

.btn{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;font-family:inherit}
.btn-primary{padding:14px 22px;border-radius:14px;background:var(--accent);color:var(--accent-ink);font-size:15px;font-weight:650}
.btn-primary:hover{background:var(--accent-hi);color:var(--accent-ink)}
.btn-ghost{padding:14px 22px;border-radius:14px;background:rgba(235,235,245,.08);color:rgba(235,235,245,.8);font-size:15px;font-weight:650}
.btn-ghost:hover{background:rgba(235,235,245,.14);color:#fff}
.btn-sm{padding:8px 14px;border-radius:11px;background:var(--accent);color:var(--accent-ink);font-size:13.5px;font-weight:650}
.btn-sm:hover{background:var(--accent-hi);color:var(--accent-ink)}

/* language switch */
.lang{display:inline-flex;align-items:center;padding:3px;border-radius:11px;background:rgba(235,235,245,.08);gap:2px;flex:none}
.lang button{padding:5px 10px;border-radius:9px;background:transparent;color:var(--muted);font-size:12.5px;font-weight:650;line-height:1}
.lang button:hover{color:#fff}
.lang button[aria-pressed="true"]{background:rgba(235,235,245,.14);color:#fff}

.menu-toggle{display:none;width:38px;height:38px;border-radius:11px;background:rgba(235,235,245,.08);color:#fff;font-size:17px}

/* ---------- hero ---------- */
.hero{padding-top:88px;padding-bottom:72px;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:56px;align-items:center}
.hero-copy{animation:rise .7s ease both}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(61,224,180,.1);border:1px solid rgba(61,224,180,.22);font-size:12.5px;font-weight:600;color:var(--accent);margin-bottom:24px}
.hero h1{font-size:clamp(34px,5.4vw,62px);line-height:1.06;font-weight:750;letter-spacing:-.045em;text-wrap:balance}
.hero-sub{margin-top:24px;font-size:clamp(15px,1.5vw,18px);line-height:1.6;color:var(--muted-2);max-width:460px;text-wrap:pretty}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.meta-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:12.5px;color:var(--muted)}
.hero-art{display:flex;justify-content:center;animation:rise .9s ease both}

.card-device{width:100%;max-width:420px;border-radius:26px;padding:12px;background:var(--surface-2);border:1px solid rgba(255,255,255,.07);box-shadow:0 40px 90px rgba(0,0,0,.6)}
.card-device-inner{border-radius:16px;background:var(--surface);padding:26px 24px;display:flex;flex-direction:column;gap:22px}
.now-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;color:var(--muted-3)}
.now-head .idx{color:var(--accent)}
.now-body{display:flex;align-items:center;gap:18px}
.now-icon{width:78px;height:78px;border-radius:22px;flex:none;background:rgba(255,159,10,.14);display:flex;align-items:center;justify-content:center}
.now-icon i{width:34px;height:20px;border-radius:6px;background:#FF9F0A;display:block}
.now-title{font-size:clamp(24px,6vw,32px);font-weight:700;letter-spacing:-.035em}
.now-sub{font-size:14.5px;color:var(--muted-2);margin-top:4px}
.bars{display:flex;gap:6px}
.bars i{flex:1;height:7px;border-radius:4px;background:rgba(235,235,245,.12);display:block}
.bars i.on{background:rgba(61,224,180,.5)}
.bars i.half{box-shadow:inset 60px 0 0 var(--accent)}
.fake-btns{display:flex;gap:10px}
.fake-btns .b{flex:1;height:56px;border-radius:15px;background:rgba(235,235,245,.09);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:650;color:rgba(235,235,245,.75)}
.fake-btns .b.stop{flex:none;width:104px;background:rgba(255,69,58,.16);color:#FF6961}

/* ---------- sections ---------- */
section{padding-top:64px;padding-bottom:64px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700}
.section-lead{margin-top:8px;margin-bottom:34px;font-size:15px;color:var(--muted-3)}

.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.feature{padding:24px;border-radius:20px;background:var(--surface);border:1px solid rgba(255,255,255,.04);display:flex;flex-direction:column;gap:14px}
.feature .ico{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.feature h3{font-size:18px;font-weight:650;letter-spacing:-.02em}
.feature p{font-size:14px;line-height:1.6;color:var(--muted-2);text-wrap:pretty}

/* ---------- screens ---------- */
.shots{display:flex;gap:26px;overflow-x:auto;padding:4px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.shot{flex:none;width:268px;scroll-snap-align:start;display:flex;flex-direction:column;gap:14px}
.shot.wide{width:560px;max-width:88vw}
.shot-caption{font-size:13px;color:var(--muted);padding-left:4px}
.phone{border-radius:38px;padding:9px;background:#1A1A1C;border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 70px rgba(0,0,0,.55)}
.phone-screen{border-radius:30px;background:#000;overflow:hidden;height:562px;position:relative}
.notch{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:76px;height:22px;border-radius:12px;background:#000;z-index:2}
.phone-pad{padding:42px 14px 16px}
.mini-brand{display:flex;align-items:center;gap:8px}
.mini-brand span{font-size:21px;font-weight:700;letter-spacing:-.035em}
.status-box{margin-top:14px;padding:12px 13px;border-radius:15px;background:var(--surface);display:flex;flex-direction:column;gap:10px}
.status-line{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600}
.hr{height:1px;background:rgba(235,235,245,.09)}
.tag-premium{font-size:9px;font-weight:700;letter-spacing:.06em;padding:2px 5px;border-radius:5px;background:rgba(191,90,242,.18);color:#D9A2FF}
.label{margin-top:16px;font-size:10px;font-weight:600;letter-spacing:.04em;color:var(--muted)}
.brief-list{margin-top:7px;display:flex;flex-direction:column;gap:9px}
.brief-card{padding:13px;border-radius:16px;background:var(--surface);border:1px solid rgba(255,255,255,.04)}
.brief-card.active{border-color:rgba(61,224,180,.45);box-shadow:0 0 0 3px rgba(61,224,180,.1)}
.brief-card .top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.brief-card .t{font-size:14.5px;font-weight:650;letter-spacing:-.02em}
.brief-card .s{margin-top:2px;font-size:10.5px;color:var(--muted)}
.sw{width:36px;height:23px;border-radius:12px;padding:2px;flex:none;display:flex;background:rgba(235,235,245,.16);justify-content:flex-start}
.sw.on{background:var(--accent);justify-content:flex-end}
.sw i{width:19px;height:19px;border-radius:10px;background:#fff;display:block}
.sw.sm{width:32px;height:21px}
.sw.sm i{width:17px;height:17px;border-radius:9px}
.brief-card .mid{height:1px;background:rgba(235,235,245,.08);margin:10px 0 9px}
.brief-card .bot{display:flex;align-items:center;justify-content:space-between}
.brief-card .bot .k{font-size:10.5px;color:var(--muted)}
.brief-card .bot .v{font-size:11px;font-weight:600;color:var(--accent);padding:3px 7px;border-radius:7px;background:var(--surface-3)}
.chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:9px}
.chips span{font-size:9.5px;padding:3px 6px;border-radius:6px;background:rgba(235,235,245,.07);color:rgba(235,235,245,.65)}
.note-box{margin-top:14px;padding:12px 13px;border-radius:15px;background:linear-gradient(135deg,rgba(61,224,180,.14),rgba(61,224,180,.04));border:1px solid rgba(61,224,180,.18)}
.note-box b{font-size:11.5px;font-weight:650;display:block}
.note-box em{margin-top:3px;font-size:10px;line-height:1.5;color:var(--muted);font-style:normal;display:block}

.nav-mini{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--accent);font-weight:600}
.screen-title{margin-top:10px;font-size:22px;font-weight:700;letter-spacing:-.035em}
.screen-sub{margin-top:4px;font-size:10.5px;color:var(--muted)}
.row-head{margin-top:16px;display:flex;align-items:baseline;justify-content:space-between}
.row-head .a{font-size:10px;font-weight:600;letter-spacing:.04em;color:var(--muted)}
.row-head .b{font-size:9.5px;color:var(--muted)}
.rows{margin-top:7px;border-radius:15px;background:var(--surface);overflow:hidden}
.row{display:flex;align-items:center;gap:9px;padding:10px 12px}
.row .ico{width:24px;height:24px;border-radius:7px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(235,235,245,.07)}
.row .txt{flex:1;min-width:0}
.row .n{font-size:12.5px;font-weight:600}
.row .d{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .grip{font-size:11px;color:var(--muted)}
.row-sep{height:1px;margin-left:45px;background:rgba(235,235,245,.07)}
.row-expand{padding:0 12px 11px 45px;display:flex;flex-wrap:wrap;gap:4px}
.tick{font-size:9.5px;font-weight:600;padding:4px 7px;border-radius:7px;background:rgba(61,224,180,.15);color:var(--accent)}
.tick.add{background:transparent;border:1px dashed rgba(235,235,245,.22);color:var(--muted)}
.audio-box{margin-top:7px;padding:13px;border-radius:15px;background:var(--surface)}
.audio-box .r{display:flex;align-items:baseline;justify-content:space-between}
.audio-box .r .k{font-size:12px;font-weight:600}
.audio-box .r .v{font-size:11.5px;font-weight:600;color:var(--accent)}
.slider{margin-top:11px;height:4px;border-radius:2px;background:rgba(235,235,245,.18);position:relative}
.slider i{position:absolute;left:0;top:0;bottom:0;width:42%;border-radius:2px;background:var(--accent);display:block}
.slider b{position:absolute;left:42%;top:-8px;width:20px;height:20px;margin-left:-10px;border-radius:10px;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.5);display:block}
.audio-box .sep{height:1px;background:rgba(235,235,245,.08);margin:15px 0 11px}
.pickval{font-size:11.5px;font-weight:600;padding:5px 9px;border-radius:8px;background:var(--surface-3)}

.carplay{border-radius:22px;padding:11px;background:var(--surface-2);border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 70px rgba(0,0,0,.55)}
.carplay-screen{height:558px;border-radius:14px;background:var(--surface);display:flex;overflow:hidden}
.cp-side{width:64px;flex:none;background:#141416;border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center;padding:16px 0;gap:16px}
.cp-side .app{width:36px;height:36px;border-radius:11px;background:rgba(235,235,245,.08)}
.cp-side .app.me{background:var(--surface);border:1px solid rgba(61,224,180,.35);display:flex;align-items:center;justify-content:center}
.cp-side .clock{font-size:11px;font-weight:600;color:var(--muted)}
.cp-main{flex:1;min-width:0;display:flex;flex-direction:column;padding:26px 28px 22px}
.cp-head{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:600;color:var(--muted)}
.cp-head .idx{color:var(--accent)}
.cp-body{flex:1;display:flex;align-items:center;gap:24px;min-height:0}
.cp-icon{width:104px;height:104px;border-radius:26px;flex:none;background:rgba(255,159,10,.14);display:flex;align-items:center;justify-content:center}
.cp-icon i{width:44px;height:26px;border-radius:8px;background:#FF9F0A;display:block}
.cp-title{font-size:44px;font-weight:700;letter-spacing:-.035em;line-height:1}
.cp-sub{margin-top:10px;font-size:22px;font-weight:500;line-height:1.35;color:var(--muted);text-wrap:pretty}
.cp-foot{display:flex;flex-direction:column;gap:12px}
.cp-meta{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;color:var(--muted)}
.cp-btns{display:flex;gap:11px;margin-top:4px}
.cp-btns .b{height:62px;border-radius:16px;background:rgba(235,235,245,.09);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:650}
.cp-btns .b.w1{width:120px;flex:none}
.cp-btns .b.grow{flex:1}
.cp-btns .b.stop{width:110px;flex:none;background:rgba(255,69,58,.16);color:#FF6961}

/* ---------- steps ---------- */
.step{padding:26px;border-radius:20px;background:linear-gradient(160deg,rgba(61,224,180,.07),rgba(61,224,180,.015));border:1px solid rgba(61,224,180,.14)}
.step .no{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.step h3{margin-top:14px;font-size:19px;font-weight:650;letter-spacing:-.02em}
.step p{margin-top:9px;font-size:14px;line-height:1.6;color:var(--muted-2);text-wrap:pretty}

/* ---------- privacy block ---------- */
.panel{padding:clamp(28px,4vw,48px);border-radius:26px;background:var(--surface-2);border:1px solid var(--line);display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;align-items:center}
.panel h2{font-size:clamp(22px,2.8vw,31px);font-weight:700}
.panel p{margin-top:16px;font-size:15px;line-height:1.65;color:var(--muted-2);text-wrap:pretty}
.panel .more{display:inline-block;margin-top:20px;font-size:14px;font-weight:650}
.points{display:flex;flex-direction:column;gap:10px}
.points div{display:flex;align-items:center;gap:12px;padding:15px 17px;border-radius:14px;background:var(--surface)}
.points i{width:7px;height:7px;border-radius:4px;flex:none;background:var(--accent);display:block}
.points span{font-size:14px;color:rgba(235,235,245,.72)}

/* ---------- price ---------- */
.price-wrap{max-width:520px;margin:0 auto;text-align:center}
.price-card{margin-top:30px;padding:34px 28px;border-radius:24px;background:var(--surface);border:1px solid rgba(61,224,180,.22)}
.price-card .tag{font-size:12px;font-weight:700;letter-spacing:.08em;color:#D9A2FF}
.price-card .amount{margin-top:14px;display:flex;align-items:baseline;justify-content:center;gap:8px}
.price-card .amount b{font-size:52px;font-weight:750;letter-spacing:-.04em}
.price-card .amount span{font-size:15px;color:var(--muted-3)}
.price-card .desc{margin-top:10px;font-size:14.5px;color:var(--muted-2)}
.price-card .btn-primary{margin-top:26px;width:100%;padding:15px;font-size:15.5px}
.price-card .fine{margin-top:16px;font-size:12.5px;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg)}
.site-footer .wrap{padding-top:44px;padding-bottom:56px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.site-footer .col{display:flex;flex-direction:column;gap:10px;font-size:13.5px}
.site-footer .col .h{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
.site-footer .about{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted)}

/* ---------- legal pages ---------- */
.legal{padding-top:56px;padding-bottom:80px}
.legal h1{font-size:clamp(28px,4vw,40px);font-weight:750;letter-spacing:-.04em}
.legal .eff{margin-top:12px;font-size:13.5px;color:var(--muted)}
.summary{margin-top:32px;padding:24px;border-radius:20px;background:linear-gradient(160deg,rgba(61,224,180,.09),rgba(61,224,180,.02));border:1px solid rgba(61,224,180,.18)}
.summary b{font-size:16px;font-weight:650;margin-bottom:8px;display:block}
.summary p{font-size:14.5px;line-height:1.7;color:var(--muted);text-wrap:pretty}
.legal-sections{margin-top:44px;display:flex;flex-direction:column;gap:34px}
.legal-sections h2{font-size:19px;font-weight:650;letter-spacing:-.02em;margin-bottom:12px}
.legal-sections .paras{display:flex;flex-direction:column;gap:11px}
.legal-sections p{font-size:15px;line-height:1.75;color:var(--muted);text-wrap:pretty}
.perm-table{margin-top:44px}
.perm-table h2{font-size:19px;font-weight:650;letter-spacing:-.02em;margin-bottom:14px}
.perm-list{border-radius:18px;background:var(--surface);overflow:hidden}
.perm{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid rgba(235,235,245,.07)}
.perm:last-child{border-bottom:0}
.perm .n{font-size:15px;font-weight:600}
.perm .u{margin-top:4px;font-size:13.5px;line-height:1.55;color:var(--muted-3);text-wrap:pretty}
.perm .badge{font-size:12px;font-weight:650;padding:5px 9px;border-radius:8px;background:rgba(61,224,180,.15);color:var(--accent);flex:none}
.contact-box{margin-top:52px;padding:22px 24px;border-radius:18px;background:var(--surface);font-size:14px;line-height:1.7;color:var(--muted-2)}
.back-home{margin-top:32px;display:inline-block;font-size:14px;font-weight:650}

/* ---------- responsive ---------- */
@media (max-width:820px){
  .menu-toggle{display:inline-flex}
  .nav{gap:12px}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,10,11,.97);border-bottom:1px solid var(--line);
    padding:8px 24px 16px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  .nav-links .btn-sm{margin-top:12px;padding:12px 14px;text-align:center;justify-content:center;border-bottom:0}
  .site-header .wrap,.site-header .wrap-narrow{position:relative}
}
@media (max-width:640px){
  .hero{padding-top:56px;padding-bottom:48px;gap:40px}
  section{padding-top:48px;padding-bottom:48px}
  .wrap,.wrap-narrow{padding-left:18px;padding-right:18px}
  .card-device-inner{padding:20px 18px;gap:18px}
  .now-icon{width:62px;height:62px;border-radius:18px}
  .cta-row .btn{flex:1 1 100%}
  .shots{gap:18px}
  .shot.wide{width:88vw}
  .carplay-screen{height:auto;min-height:360px}
  .cp-main{padding:18px 18px 16px}
  .cp-title{font-size:30px}
  .cp-sub{font-size:16px}
  .cp-btns .b{height:52px;font-size:15px}
  .cp-btns .b.w1{width:92px}
  .cp-btns .b.stop{width:84px}
  .price-card .amount b{font-size:44px}
  .perm{flex-direction:column;gap:10px}
}