/* Bluetooth Mic to Speaker landing: Sora (light, frosted): soft blue with a green Bluetooth accent theme, language picker, CSS phone mock-ups.
   Shared by index.html, privacy.html and terms.html. */
:root{color-scheme:light;--bg:#EEF2F9;--bg2:#DCE6F4;--card:rgba(255,255,255,.62);--card-hi:rgba(255,255,255,.85);--line:rgba(79,121,168,.18);--text:#2B2F3A;--muted:#6B7385;--kick:#2F7F67;--link:#3F6A99;--g1:#6F98C8;--g2:#4F79A8;--cta-bg:linear-gradient(90deg,#4F79A8,#5B86B5);--cta-fg:#FFFFFF;--cta-shadow:0 12px 30px rgba(79,121,168,.3);--tag-bg:#EEE7A4;--tag-fg:#5A5320;--blob1:rgba(123,163,208,.35);--blob2:rgba(62,154,126,.18);--best:#4F79A8;--safety-bg:rgba(255,255,255,.5);--safety-line:rgba(79,121,168,.25);--code-bg:rgba(43,47,58,.07);--phone:#FFFFFF;--screen:linear-gradient(180deg,#F4F7FC,#E4ECF7);--mic:linear-gradient(135deg,#7BA3D0,#4F79A8);--mic-fg:#FFFFFF;--ring:#4F79A8;--chip:rgba(79,121,168,.14);--tick:#2F7F67;--r:26px;--card-shadow:0 10px 30px rgba(43,47,58,.08);--phone-shadow:0 30px 70px rgba(79,121,168,.28);--badge-bg:#3E9A7E;--badge-fg:#FFFFFF}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html.i18n-wait body{visibility:hidden}
body{margin:0;background:linear-gradient(180deg,var(--bg),var(--bg2));background-attachment:fixed;color:var(--text);
 font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,"Noto Sans",sans-serif;overflow-x:hidden}
body:before,body:after{content:"";position:fixed;z-index:-1;border-radius:50%;filter:blur(90px);pointer-events:none}
body:before{width:520px;height:520px;left:-160px;top:-180px;background:var(--blob1)}
body:after{width:560px;height:560px;right:-200px;bottom:-240px;background:var(--blob2)}
a{color:var(--link)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none;flex:0 1 auto;min-width:0}
.brand img{width:36px;height:36px;border-radius:9px;flex:none}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
nav{display:flex;align-items:center;min-width:0;flex:none}
nav a{color:var(--muted);text-decoration:none;margin-inline-start:20px;font-size:15px}
nav a:hover{color:var(--text)}

/* Language picker: a pill showing the current language, with the native <select> laid over it. */
.lang{position:relative;flex:none;display:inline-flex;align-items:center;gap:6px;height:38px;padding-inline:12px 10px;
 margin-inline-start:20px;border-radius:999px;background:var(--card);border:1px solid var(--line);
 color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;
 transition:background-color .15s ease,box-shadow .15s ease}
.lang:hover{color:var(--text);background:var(--card-hi)}
.lang:focus-within{box-shadow:0 0 0 2.5px var(--link)}
.lang svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lang .lang-chev{width:14px;height:14px;stroke-width:2.4;opacity:.7}
.lang-cur{color:var(--text)}
.lang-name{display:none}
@media (min-width:560px){.lang-name{display:inline}.lang-short{display:none}}
.lang select{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;border:0;margin:0;
 -webkit-appearance:none;appearance:none;font-size:16px}

.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:48px 0 32px}
.kicker{color:var(--kick);text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:700}
h1{font-size:clamp(38px,6vw,64px);line-height:1.05;margin:12px 0 18px;letter-spacing:-.02em;overflow-wrap:break-word}
h1 .grad{background:linear-gradient(90deg,var(--g1),var(--g2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--muted);font-size:18px;max-width:34em}
.cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;margin-top:26px;padding:14px 26px;border-radius:999px;
 background:var(--cta-bg);color:var(--cta-fg);font-weight:800;text-decoration:none;text-align:center;box-shadow:var(--cta-shadow)}
.cta:focus-visible{outline:3px solid var(--link);outline-offset:3px}
.note{color:var(--muted);font-size:14px;margin-top:14px}
section{padding:56px 0}
h2{font-size:clamp(28px,4vw,40px);margin:8px 0 24px;letter-spacing:-.01em;overflow-wrap:break-word}
section > .lede{margin:-8px 0 24px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;min-width:0;box-shadow:var(--card-shadow)}
.card h3{margin:0 0 6px;font-size:18px;overflow-wrap:break-word}
.card p{margin:0;color:var(--muted);font-size:15px;overflow-wrap:break-word}
.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--tag-fg);background:var(--tag-bg);border-radius:999px;padding:2px 10px;margin-bottom:10px}

/* Phone mock-up (hero) and the small placeholder screens: drawn in CSS, no image files. */
.phone{justify-self:center;width:100%;max-width:300px;aspect-ratio:9/18;border-radius:42px;padding:12px;background:var(--phone);box-shadow:var(--phone-shadow)}
.scr{position:relative;height:100%;border-radius:31px;background:var(--screen);overflow:hidden;
 display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:34px 22px 26px}
.scr:before{content:"";position:absolute;top:12px;left:50%;width:64px;height:6px;margin-left:-32px;border-radius:3px;background:var(--chip)}
.scr i{display:block}
.scr svg{fill:none;stroke-linecap:round;stroke-linejoin:round}
.ph-badge{position:absolute;top:26px;right:20px;width:34px;height:34px;border-radius:50%;background:var(--badge-bg);display:grid;place-items:center}
.ph-badge svg{width:18px;height:18px;stroke:var(--badge-fg);stroke-width:2}
.ph-status{align-self:stretch;display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--chip)}
.ph-status svg{width:16px;height:16px;flex:none;stroke:var(--tick);stroke-width:2.2}
.ph-status i{height:8px;width:60%;border-radius:4px;background:var(--muted);opacity:.45}
.ph-chips{align-self:stretch;display:flex;gap:6px;justify-content:center}
.ph-chips i{height:20px;flex:1;max-width:58px;border-radius:999px;background:var(--chip)}
.ph-chips i.on,.ph-grid i.on,.ph-rows i.on{background:var(--mic)}
.ph-pair{display:flex;align-items:center;gap:18px}
.ph-mic{position:relative;width:132px;height:132px;border-radius:50%;background:var(--mic);display:grid;place-items:center;flex:none}
.ph-mic svg{width:56px;height:56px;stroke:var(--mic-fg);stroke-width:2}
.ph-mic:before{content:"";position:absolute;inset:-12px;border-radius:50%;border:2px solid var(--ring);opacity:.35}
.ph-chime{width:56px;height:56px;border-radius:50%;border:2px solid var(--ring);display:grid;place-items:center;flex:none}
.ph-chime svg{width:26px;height:26px;stroke:var(--text);stroke-width:2}
.ph-meter{display:flex;gap:5px;align-items:flex-end;height:44px}
.ph-meter i{width:9px;border-radius:4px;background:var(--mic);opacity:.85}
.ph-slider{position:relative;align-self:stretch;height:6px;border-radius:3px;background:var(--chip)}
.ph-slider b{display:block;width:62%;height:100%;border-radius:3px;background:var(--mic)}
.ph-slider:after{content:"";position:absolute;left:62%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;background:var(--ring)}
.ph-grid{align-self:stretch;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ph-grid i{aspect-ratio:1;border-radius:12px;background:var(--chip)}
.ph-rows{align-self:stretch;display:flex;flex-direction:column;gap:8px}
.ph-rows i{height:28px;border-radius:10px;background:var(--chip)}
@media (prefers-reduced-motion:no-preference){
  .phone .ph-mic:before{animation:ph-pulse 2.4s ease-out infinite}
  @keyframes ph-pulse{from{transform:scale(.94);opacity:.55}to{transform:scale(1.2);opacity:0}}
}
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.shots figure{margin:0;min-width:0}
.mini{max-width:230px;margin:0 auto;aspect-ratio:9/16;border-radius:26px;padding:8px;background:var(--phone);box-shadow:var(--card-shadow)}
.mini .scr{border-radius:19px;gap:14px;padding:26px 16px 18px}
.mini .scr:before{top:9px;width:40px;height:4px;margin-left:-20px}
.mini .ph-mic{width:76px;height:76px}
.mini .ph-mic svg{width:32px;height:32px}
.mini .ph-mic:before{inset:-8px}
.mini .ph-chime{width:36px;height:36px}
.mini .ph-chime svg{width:18px;height:18px}
.mini .ph-pair{gap:10px}
.mini .ph-meter{height:30px;gap:4px}
.mini .ph-meter i{width:7px}
figcaption{text-align:center;color:var(--muted);font-size:14px;margin-top:12px}

/* Free vs Premium */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare ul{list-style:none;margin:12px 0 0;padding:0}
.compare li{position:relative;padding-inline-start:28px;margin:8px 0;color:var(--muted);font-size:15px}
.compare li:before{content:"";position:absolute;inset-inline-start:3px;top:.42em;width:12px;height:6px;
 border-left:2.5px solid var(--tick);border-bottom:2.5px solid var(--tick);transform:rotate(-45deg)}
.compare .prem,.plans .card.best{border-color:var(--best);box-shadow:0 0 0 1px var(--best) inset,var(--card-shadow)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.plans .card{text-align:center}
.reward{margin:16px 0 0;background:var(--card);border:1px dashed var(--best);border-radius:var(--r);padding:16px 20px;color:var(--muted)}
.reward strong{color:var(--text)}
.medical{background:var(--card);border:1px solid var(--line);border-inline-start:4px solid var(--best);border-radius:var(--r);padding:20px 22px}
.medical h2{font-size:20px;margin:0 0 6px;letter-spacing:0}
.medical p{margin:0;color:var(--muted)}
.safety{background:var(--safety-bg);border:1px solid var(--safety-line);border-radius:var(--r);padding:20px 22px;color:var(--muted)}
.safety strong{color:var(--text)}
#support p{color:var(--muted);max-width:40em;margin:0}
#support h2{margin-bottom:12px}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}
footer a{color:var(--muted);margin-inline-end:16px}

/* Legal pages (privacy.html, terms.html) */
.legal{max-width:760px;margin:0 auto;padding:8px 0 24px;overflow-wrap:break-word}
.legal h1{font-size:1.9em;line-height:1.2;margin:16px 0 12px;letter-spacing:-.01em}
.legal h2{font-size:1.2em;line-height:1.3;margin:1.8em 0 .4em;letter-spacing:0}
.legal p,.legal li{font-size:16px}
.legal ul{padding-inline-start:1.4em}
.legal code{background:var(--code-bg);border-radius:6px;padding:1px 6px;font-size:.92em;overflow-wrap:anywhere}
.legal-note{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;color:var(--muted);font-size:14px}
.legal-note[hidden]{display:none}
.legal-foot{max-width:760px;margin:0 auto}

/* Vietnamese stacks diacritics above and below: a little more line height on the big headings. */
:lang(vi) h1{line-height:1.15}

@media (max-width:820px){
  .hero{grid-template-columns:1fr}.grid,.plans,.compare{grid-template-columns:1fr}
  nav a:not(.keep){display:none}.phone{max-width:260px}
  nav a.keep{margin-inline-start:0}
  .shots{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}
  .shots figure{flex:0 0 210px;scroll-snap-align:start}
}
@media (max-width:480px){
  .wrap{padding:0 16px}
  .lang{margin-inline-start:12px}
  nav a.keep{display:none} /* Privacy stays one tap away in the footer */
  .cta{width:100%}
  .shots figure{flex-basis:190px}
}
.lang:first-child{margin-inline-start:0}
/* Frosted glass cards, light headline with a heavier second line. */
.card,.lang,.safety,.reward,.legal-note,.medical{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
h1{font-weight:300;font-size:clamp(34px,5.2vw,56px)}
h1 .grad{font-weight:600}