/* Lumora landing v2 — brand: Violet #6C5CE7, Cyan #00C2D1 (see branding/tokens.json) */
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/BeVietnamPro-Regular.woff2) format("woff2")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/BeVietnamPro-Medium.woff2) format("woff2")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/BeVietnamPro-SemiBold.woff2) format("woff2")}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/BeVietnamPro-Bold.woff2) format("woff2")}

:root{
  --violet:#6C5CE7;--violet-600:#5A4BD6;--violet-300:#A29BFE;--cyan:#00C2D1;--pink:#F472B6;--gold:#E8C27A;
  --success:#22C55E;--danger:#EF4444;
  --grad:linear-gradient(135deg,#6C5CE7 0%,#00C2D1 100%);
  --grad-rich:linear-gradient(120deg,#6C5CE7 0%,#8B5CF6 35%,#3BA5E0 70%,#00C2D1 100%);
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-2xl:32px;
  --t-fast:120ms;--t-base:200ms;--t-slow:320ms;--ease:cubic-bezier(.2,0,0,1);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Cascadia Mono","JetBrains Mono",Consolas,Menlo,"Noto Sans Mono","Liberation Mono","DejaVu Sans Mono",monospace;
  --maxw:1200px;

  /* light — warm ivory */
  --bg:#FBF8F4;--bg-deep:#F5EFE7;
  --surface:rgba(255,255,255,.66);--surface-solid:#FFFFFF;--surface-2:#F3EEF0;
  --border:rgba(40,30,60,.09);--border-strong:rgba(40,30,60,.16);
  --text:#14162B;--muted:#555A77;--link:#5A4BD6;--accent-text:#5A4BD6;--focus:#6C5CE7;
  --grad-text:linear-gradient(100deg,#6C5CE7 0%,#A64BC9 48%,#0B8A97 100%);
  --nav-bg:rgba(251,248,244,.7);
  --sh-sm:0 1px 2px rgba(40,30,60,.05),0 2px 6px rgba(40,30,60,.05);
  --sh-md:0 8px 24px rgba(40,30,60,.08),0 2px 6px rgba(40,30,60,.04);
  --sh-lg:0 40px 100px -20px rgba(60,40,120,.28),0 12px 32px rgba(40,30,60,.08);
  --glow:0 10px 30px -6px rgba(108,92,231,.5);
  --aurora-a:rgba(108,92,231,.20);--aurora-b:rgba(0,194,209,.16);--aurora-c:rgba(244,114,182,.14);
  --gold-bg:rgba(232,194,122,.22);--gold-text:#7A5612;--gold-border:rgba(176,132,50,.35);
  --m-bg:#FFFFFF;--m-rail:#F4F1F6;--m-side:#FAF8FA;--m-line:rgba(40,30,60,.08);--m-bubble:#F3F0F6;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0F1020;--bg-deep:#0A0B17;
    --surface:rgba(30,33,62,.5);--surface-solid:#171A2E;--surface-2:#1F2340;
    --border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.14);
    --text:#EDEEF8;--muted:#A1A7C9;--link:#B4ACFF;--accent-text:#B4ACFF;--focus:#A29BFE;
    --grad-text:linear-gradient(100deg,#B9B1FF 0%,#F5A9D0 48%,#5FE3EC 100%);
    --nav-bg:rgba(15,16,32,.62);
    --sh-sm:0 1px 2px rgba(0,0,0,.35);--sh-md:0 10px 30px rgba(0,0,0,.4);
    --sh-lg:0 50px 120px -20px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.06);
    --glow:0 10px 36px -6px rgba(108,92,231,.75);
    --aurora-a:rgba(108,92,231,.38);--aurora-b:rgba(0,194,209,.22);--aurora-c:rgba(244,114,182,.16);
    --gold-bg:rgba(232,194,122,.1);--gold-text:#F0D29A;--gold-border:rgba(232,194,122,.35);
    --m-bg:#151831;--m-rail:#0F1126;--m-side:#121429;--m-line:rgba(255,255,255,.07);--m-bubble:#1F2340;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1020;--bg-deep:#0A0B17;
  --surface:rgba(30,33,62,.5);--surface-solid:#171A2E;--surface-2:#1F2340;
  --border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.14);
  --text:#EDEEF8;--muted:#A1A7C9;--link:#B4ACFF;--accent-text:#B4ACFF;--focus:#A29BFE;
  --grad-text:linear-gradient(100deg,#B9B1FF 0%,#F5A9D0 48%,#5FE3EC 100%);
  --nav-bg:rgba(15,16,32,.62);
  --sh-sm:0 1px 2px rgba(0,0,0,.35);--sh-md:0 10px 30px rgba(0,0,0,.4);
  --sh-lg:0 50px 120px -20px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.06);
  --glow:0 10px 36px -6px rgba(108,92,231,.75);
  --aurora-a:rgba(108,92,231,.38);--aurora-b:rgba(0,194,209,.22);--aurora-c:rgba(244,114,182,.16);
  --gold-bg:rgba(232,194,122,.1);--gold-text:#F0D29A;--gold-border:rgba(232,194,122,.35);
  --m-bg:#151831;--m-rail:#0F1126;--m-side:#121429;--m-line:rgba(255,255,255,.07);--m-bubble:#1F2340;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;min-height:100vh;background:linear-gradient(180deg,var(--bg) 0%,var(--bg) 60%,var(--bg-deep) 100%);color:var(--text);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3{margin:0;font-weight:700}
h2{font-size:clamp(30px,4.4vw,48px);line-height:1.15;letter-spacing:-.03em;text-wrap:balance}
h3{font-size:18px;font-weight:600;line-height:1.4;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:8px}
::selection{background:rgba(108,92,231,.3)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}
.center{text-align:center}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--violet);color:#fff;padding:10px 16px;border-radius:var(--r-md)}
.skip:focus{top:12px}
.ic{width:20px;height:20px;flex:none}
.ic--sm{width:16px;height:16px}.ic--xs{width:14px;height:14px}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-bottom:.06em}

/* aurora background */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.aurora i{position:absolute;width:70vmax;height:70vmax;border-radius:50%;will-change:transform}
.aurora__a{top:-35vmax;left:-20vmax;background:radial-gradient(closest-side,var(--aurora-a),transparent);animation:drift-a 26s ease-in-out infinite alternate}
.aurora__b{top:-30vmax;right:-30vmax;background:radial-gradient(closest-side,var(--aurora-b),transparent);animation:drift-b 32s ease-in-out infinite alternate}
.aurora__c{top:10vmax;left:25vmax;width:55vmax;height:45vmax;background:radial-gradient(closest-side,var(--aurora-c),transparent);animation:drift-c 38s ease-in-out infinite alternate}
@keyframes drift-a{to{transform:translate(12vmax,8vmax) scale(1.1)}}
@keyframes drift-b{to{transform:translate(-10vmax,12vmax) scale(.95)}}
@keyframes drift-c{to{transform:translate(-14vmax,-6vmax) scale(1.15)}}

/* glass */
.glass{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-sm),inset 0 1px 0 rgba(255,255,255,.07);-webkit-backdrop-filter:blur(18px) saturate(150%);backdrop-filter:blur(18px) saturate(150%)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 20px;border-radius:var(--r-md);font:600 15px/1 var(--font);border:1px solid transparent;cursor:pointer;transition:background var(--t-fast) var(--ease),box-shadow var(--t-base) var(--ease),transform var(--t-fast) var(--ease),border-color var(--t-fast);white-space:nowrap;text-decoration:none!important}
.btn:active{transform:translateY(1px)}
.btn--primary{position:relative;background:linear-gradient(180deg,#7B6CF0 0%,#6C5CE7 55%,#5E4FDB 100%);color:#fff;box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.25)}
.btn--primary:hover{background:linear-gradient(180deg,#6F60EA 0%,#5A4BD6 100%);transform:translateY(-1px)}
.btn--glass{background:var(--surface);color:var(--text);border-color:var(--border-strong);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.btn--glass:hover{border-color:var(--violet-300);transform:translateY(-1px)}
.btn--white{background:#fff;color:#3B2FB8;box-shadow:0 12px 30px -8px rgba(10,8,40,.45)}
.btn--white:hover{background:#F4F2FF;transform:translateY(-1px)}
.btn--sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px}
.btn--xl{height:56px;padding:0 28px;font-size:16.5px;border-radius:14px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;min-width:38px;padding:0 9px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;font:600 13px/1 var(--font);transition:background var(--t-fast),color var(--t-fast)}
.icon-btn:hover{background:var(--surface);border-color:var(--border);color:var(--text)}

/* badges */
.badge-gold{display:inline-flex;align-items:center;gap:8px;padding:7px 16px 7px 12px;border-radius:999px;background:var(--gold-bg);border:1px solid var(--gold-border);color:var(--gold-text);font-size:13.5px;font-weight:600;letter-spacing:.01em}
.badge-gold .ic{color:var(--gold-text)}
.badge-gold--on-dark{--gold-bg:rgba(255,255,255,.12);--gold-text:#FBE3B0;--gold-border:rgba(232,194,122,.55)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);-webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);border-bottom:1px solid transparent;transition:border-color var(--t-base),background var(--t-base)}
.nav.is-scrolled{border-bottom-color:var(--border)}
.nav__inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none!important}
.brand__mark{width:30px;height:30px}
.brand__name{font-weight:700;font-size:20px;letter-spacing:-.02em}
.nav__links{display:flex;gap:2px;margin-left:16px}
.nav__links a{color:var(--muted);font-weight:500;font-size:15px;padding:8px 14px;border-radius:10px;transition:color var(--t-fast),background var(--t-fast)}
.nav__links a:hover{color:var(--text);background:var(--surface);text-decoration:none}
.nav__actions{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__cta{margin-left:8px}
.nav__menu{display:none}
.ic--moon{display:none}
:root[data-theme="dark"] .ic--sun{display:none}
:root[data-theme="dark"] .ic--moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ic--sun{display:none}:root:not([data-theme="light"]) .ic--moon{display:block}}

/* hero */
.hero{position:relative;padding:80px 0 40px}
.hero__copy{display:flex;flex-direction:column;align-items:center;text-align:center}
.hero__title{margin-top:24px;font-size:clamp(42px,7.4vw,88px);line-height:1.08;letter-spacing:-.045em;text-wrap:balance}
.hero__lead{margin-top:24px;max-width:40em;font-size:clamp(17px,1.7vw,20px);line-height:1.65;color:var(--muted)}
.hero__cta{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px}
.hero__meta{margin-top:14px;min-height:20px;font-size:13.5px;color:var(--muted)}
.hero__platforms{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-top:14px;font-size:14px}
.hero__platforms a{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-weight:500}
.hero__platforms a:hover{color:var(--text);text-decoration:none}

/* stage + product mock */
.stage{position:relative;margin-top:72px;padding-bottom:56px}
.stage__glow{position:absolute;left:50%;top:6%;width:min(1100px,100%);height:80%;transform:translateX(-50%);background:radial-gradient(45% 55% at 30% 50%,rgba(108,92,231,.55),transparent 70%),radial-gradient(40% 50% at 72% 45%,rgba(0,194,209,.4),transparent 70%),radial-gradient(30% 40% at 52% 80%,rgba(244,114,182,.3),transparent 70%);filter:blur(40px);opacity:.75;pointer-events:none}
.mock{position:relative;max-width:1040px;margin:0 auto;border-radius:20px;background:var(--m-bg);border:1px solid var(--border-strong);box-shadow:var(--sh-lg);overflow:hidden;font-size:13.5px;line-height:1.45;text-align:left}
.mock__bar{display:flex;align-items:center;gap:7px;height:40px;padding:0 16px;border-bottom:1px solid var(--m-line);background:var(--m-rail)}
.mock__bar span{width:11px;height:11px;border-radius:50%;background:#FF5F57}
.mock__bar span+span{background:#FEBC2E}.mock__bar span+span+span{background:#28C840}
.mock__bar b{margin:0 auto;font-weight:600;font-size:12.5px;color:var(--muted);transform:translateX(-24px)}
.mock__body{display:grid;grid-template-columns:68px 220px 1fr;min-height:440px}
.mock__rail{display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px 0;background:var(--m-rail);border-right:1px solid var(--m-line)}
.srv{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;font-style:normal;font-weight:700;font-size:12.5px;color:#fff}
.srv--a{background:var(--grad);box-shadow:0 0 0 2px var(--m-rail),0 0 0 4px var(--violet)}
.srv--b{background:linear-gradient(135deg,#F59E0B,#F472B6)}.srv--c{background:linear-gradient(135deg,#10B981,#0EA5E9)}
.srv--d{background:linear-gradient(135deg,#334155,#6C5CE7)}
.srv--add{background:transparent;border:1.5px dashed var(--border-strong);color:var(--muted);font-weight:500;font-size:20px}
.mock__side{padding:14px 12px;background:var(--m-side);border-right:1px solid var(--m-line);display:flex;flex-direction:column;gap:2px;min-width:0}
.mock__srvname{font-weight:700;font-size:14.5px;padding:2px 8px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mock__cat{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:10px 8px 5px}
.mock__ch{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:9px;color:var(--muted);white-space:nowrap;overflow:hidden}
.mock__ch .hash{opacity:.7}
.mock__ch.is-active{background:rgba(108,92,231,.14);color:var(--text);font-weight:600}
.mock__peer{display:flex;align-items:center;gap:9px;padding:5px 10px 5px 26px;color:var(--muted);font-size:13px}
.mock__peer .av{width:22px;height:22px;font-size:10px}
.speaking{width:7px;height:7px;border-radius:50%;background:var(--success);margin-left:auto;box-shadow:0 0 0 3px rgba(34,197,94,.2);animation:pulse 1.6s ease-in-out infinite}
.av{display:inline-grid;place-items:center;flex:none;width:36px;height:36px;border-radius:50%;font-style:normal;font-weight:700;font-size:13px;color:#fff}
.av--mom{background:linear-gradient(135deg,#F472B6,#F59E0B)}
.av--dad{background:linear-gradient(135deg,#0EA5E9,#6C5CE7)}
.av--sis{background:linear-gradient(135deg,#22C55E,#00C2D1)}
.mock__chat{display:flex;flex-direction:column;gap:14px;padding:0 22px 18px;min-width:0}
.mock__head{display:flex;align-items:center;gap:6px;height:54px;border-bottom:1px solid var(--m-line);font-weight:700;font-size:15px;margin:0 -22px 4px;padding:0 22px}
.mock__head .hash{color:var(--muted)}
.private{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#15803D;background:rgba(34,197,94,.13);padding:4px 10px;border-radius:999px}
:root[data-theme="dark"] .private{color:#4ADE80}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .private{color:#4ADE80}}
.msg{display:flex;gap:12px;align-items:flex-end}
.msg__meta{display:flex;gap:8px;align-items:baseline;margin:0 0 4px 4px;font-size:12.5px}
.msg__meta time{color:var(--muted);font-size:11.5px}
.bubble{display:inline-block;padding:10px 14px;border-radius:16px 16px 16px 6px;background:var(--m-bubble);max-width:440px}
.msg--me{justify-content:flex-end}
.bubble--me{background:var(--grad);color:#fff;border-radius:16px 16px 6px 16px}
.file{display:flex;align-items:center;gap:12px;width:300px;max-width:100%;padding:12px 14px;border:1px solid var(--m-line);border-radius:16px 16px 6px 16px;background:var(--m-bubble)}
.file__icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(108,92,231,.16);color:var(--accent-text);flex:none}
.file__info{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.file__info b{font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file__info span{font-size:12px;color:var(--muted)}
.bar{display:block;height:5px;border-radius:5px;background:var(--m-line);overflow:hidden;margin-top:5px}
.bar i{display:block;height:100%;width:72%;background:var(--grad);border-radius:5px;animation:fill 4s var(--ease) infinite}
@keyframes fill{0%{width:48%}70%,100%{width:86%}}
.typing{display:flex;align-items:center;gap:10px}
.typing .av{width:26px;height:26px;font-size:10px}
.typing>span{display:inline-flex;gap:4px;padding:10px 12px;border-radius:14px;background:var(--m-bubble)}
.typing>span i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:dot 1.2s ease-in-out infinite}
.typing>span i:nth-child(2){animation-delay:.15s}.typing>span i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,60%,100%{opacity:.35;transform:none}30%{opacity:1;transform:translateY(-3px)}}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(34,197,94,0)}}
.mock__input{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding:12px 16px;border-radius:14px;background:var(--m-bubble);color:var(--muted);font-size:13px;border:1px solid var(--m-line)}
.mock__input .ic{color:var(--accent-text)}

.rd{position:absolute;right:max(0px,calc(50% - 600px));bottom:0;width:340px;border-radius:16px;background:var(--m-bg);border:1px solid var(--border-strong);box-shadow:var(--sh-lg);overflow:hidden;font-size:12px;animation:bob 8s ease-in-out infinite}
.rd__bar{display:flex;align-items:center;gap:7px;height:36px;padding:0 12px;background:var(--m-rail);border-bottom:1px solid var(--m-line);color:var(--muted)}
.rd__bar b{font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rd__live{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:700;color:#fff;background:var(--danger);padding:2px 8px;border-radius:999px;white-space:nowrap}
.rd__screen{position:relative;height:176px;background:radial-gradient(80% 90% at 20% 10%,#7C6CF2 0%,transparent 60%),radial-gradient(70% 80% at 90% 90%,#0FB5C4 0%,transparent 60%),#2B2D6E}
.rd__dialog{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:8px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.95);color:#14162B;font-weight:600;font-size:12.5px;white-space:nowrap;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.rd__dialog .ok{color:#16A34A}
.rd__dock{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);display:flex;gap:6px;padding:5px 7px;border-radius:10px;background:rgba(255,255,255,.22);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.rd__dock i{width:14px;height:14px;border-radius:4px;background:rgba(255,255,255,.85)}
.rd__cursor{position:absolute;left:64%;top:58%;width:18px;height:18px;fill:#fff;stroke:#14162B;stroke-width:1;filter:drop-shadow(0 1px 1px rgba(0,0,0,.4));animation:cursor 7s var(--ease) infinite}
.call{position:absolute;left:max(0px,calc(50% - 600px));top:96px;display:flex;align-items:center;gap:12px;padding:12px 16px 12px 12px;border-radius:18px;background:var(--surface);border:1px solid var(--border-strong);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--sh-md);font-size:13.5px;animation:bob 7s ease-in-out infinite reverse}
.call__faces{display:flex}
.call__faces .av{width:34px;height:34px;box-shadow:0 0 0 2px var(--surface-solid)}
.call__faces .av+.av{margin-left:-10px}
.call div:last-child{display:flex;flex-direction:column;line-height:1.3}
.call b{font-weight:600}
.call span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
@keyframes cursor{0%,100%{transform:translate(0,0)}35%{transform:translate(-46px,-30px)}65%{transform:translate(-14px,10px)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* trust strip */
.strip{padding:24px 0 8px}
.strip__grid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 40px}
.strip__item{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-weight:500;font-size:15px}
.strip__item .ic{color:var(--accent-text)}

/* sections */
.section{padding:112px 0 0}
.section__head{max-width:760px;margin:0 auto 56px;text-align:center}
.overline{display:inline-block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-text);margin-bottom:14px}
.section__lead{margin-top:18px;font-size:18px;color:var(--muted);line-height:1.65}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{padding:32px;transition:transform var(--t-slow) var(--ease),border-color var(--t-base),box-shadow var(--t-slow) var(--ease)}
.feature:hover{transform:translateY(-4px);border-color:rgba(108,92,231,.35);box-shadow:var(--sh-md)}
.feature--wide{background:linear-gradient(var(--surface),var(--surface)) padding-box,linear-gradient(135deg,rgba(108,92,231,.6),rgba(0,194,209,.5)) border-box;border:1px solid transparent}
.feature__icon,.who__icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;color:#fff;margin-bottom:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.3)}
.feature__icon .ic,.who__icon .ic{width:22px;height:22px}
.fi-violet{background:linear-gradient(135deg,#8B7CF6,#5A4BD6);box-shadow:0 8px 20px -6px rgba(108,92,231,.6)}
.fi-cyan{background:linear-gradient(135deg,#22D3EE,#0891B2);box-shadow:0 8px 20px -6px rgba(0,194,209,.55)}
.fi-pink{background:linear-gradient(135deg,#F9A8D4,#DB2777);box-shadow:0 8px 20px -6px rgba(219,39,119,.45)}
.fi-gold{background:linear-gradient(135deg,#F3D69B,#C8962F);box-shadow:0 8px 20px -6px rgba(200,150,47,.5)}
.feature p,.step p,.who__text,.privacy__list p{margin-top:10px;color:var(--muted);font-size:15.5px;line-height:1.65}

/* who */
.who{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.who__card{padding:32px;display:flex;flex-direction:column}
.who__top{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.who__top .who__icon{margin:0}
.who__tag{font-weight:700;font-size:15px}
.wi-1{background:linear-gradient(135deg,#F9A8D4,#F59E0B)}.wi-2{background:linear-gradient(135deg,#8B7CF6,#3B82F6)}
.wi-3{background:linear-gradient(135deg,#34D399,#0891B2)}.wi-4{background:linear-gradient(135deg,#6C5CE7,#DB2777)}
.who__quote{font-size:20px;line-height:1.5;font-weight:600;letter-spacing:-.01em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:20px}
.chips span{font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(108,92,231,.1);color:var(--accent-text);border:1px solid rgba(108,92,231,.18)}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:32px}
.step__num{display:block;font-size:56px;font-weight:700;line-height:1;letter-spacing:-.05em;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:18px}

/* privacy */
.privacy{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:56px;border-radius:var(--r-2xl);overflow:hidden}
.privacy::before{content:"";position:absolute;inset:auto -10% -40% auto;width:60%;height:90%;background:radial-gradient(closest-side,rgba(108,92,231,.25),transparent);pointer-events:none}
.privacy__copy{position:relative}
.privacy__list{position:relative;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:24px}
.privacy__list li{display:flex;gap:16px}
.privacy__list p{margin-top:4px}
.tick{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;margin-top:1px}

/* downloads */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dl-card{display:flex;flex-direction:column;align-items:flex-start;padding:28px;gap:6px;transition:transform var(--t-slow) var(--ease),border-color var(--t-base)}
.dl-card:hover{transform:translateY(-4px)}
.dl-card.is-recommended{background:linear-gradient(var(--surface-solid),var(--surface-solid)) padding-box,var(--grad) border-box;border:1.5px solid transparent;box-shadow:var(--glow)}
.dl-card__badge{position:absolute;top:-12px;left:24px;padding:4px 12px;border-radius:999px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;box-shadow:0 6px 16px -4px rgba(108,92,231,.6)}
.dl-card__os{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--surface-2);color:var(--text);margin-bottom:10px;border:1px solid var(--border)}
.dl-card__os .ic{width:26px;height:26px}
.dl-card h3{font-size:20px}
.dl-card__req{font-size:14px;color:var(--muted);min-height:3em;line-height:1.5}
.dl-card__btn{width:100%;margin-top:14px}
.dl-card .btn--glass{background:var(--surface-2)}
.dl-card__ver{font-size:12.5px;color:var(--muted);margin-top:6px}
.dl-note{margin-top:32px;text-align:center;font-size:15px;color:var(--muted)}

/* faq */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:border-color var(--t-base),background var(--t-base)}
.faq details[open]{border-color:rgba(108,92,231,.4)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;font-weight:600;font-size:17px;line-height:1.45}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:20px;height:20px;background:currentColor;-webkit-mask:url(/assets/img/chevron.svg) center/contain no-repeat;mask:url(/assets/img/chevron.svg) center/contain no-repeat;color:var(--muted);transition:transform var(--t-base) var(--ease)}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq details p{padding:0 26px 24px;color:var(--muted);line-height:1.75;font-size:15.5px}

/* cta */
.section--cta{padding-bottom:112px}
.cta{position:relative;overflow:hidden;text-align:center;padding:80px 32px;border-radius:var(--r-2xl);background:radial-gradient(60% 90% at 15% 0%,rgba(244,114,182,.45),transparent 60%),radial-gradient(60% 90% at 90% 100%,rgba(0,194,209,.55),transparent 60%),linear-gradient(135deg,#4C3FD0 0%,#6C5CE7 45%,#2C8FD8 100%);color:#fff;box-shadow:0 40px 100px -30px rgba(108,92,231,.7)}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:22px 22px;-webkit-mask:radial-gradient(70% 70% at 50% 40%,#000,transparent);mask:radial-gradient(70% 70% at 50% 40%,#000,transparent);pointer-events:none}
.cta>*{position:relative}
.cta h2{max-width:16em;margin:20px auto 0;color:#fff}
.cta p{margin-top:14px;font-size:18px;color:rgba(255,255,255,.9)}
.cta .btn{margin-top:32px}

/* footer */
.footer{padding:48px 0 40px;border-top:1px solid var(--border)}
.footer__inner{display:grid;grid-template-columns:1fr auto;gap:24px 40px;align-items:start}
.footer__brand p{margin-top:10px;color:var(--muted);font-size:14px}
.footer__links{display:flex;flex-wrap:wrap;gap:8px 24px}
.footer__links a{color:var(--muted);font-weight:500;font-size:14px}
.footer__links a:hover{color:var(--text)}
.footer__copy{grid-column:1/-1;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}

/* download page */
.page-head{padding:80px 0 48px;text-align:center}
.page-head h1{font-size:clamp(40px,6vw,68px);line-height:1.1;letter-spacing:-.04em}
.page-head p{margin:18px auto 0;max-width:36em;color:var(--muted);font-size:18px}
.section--tight{padding-top:8px}
.howto{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}
.howto .glass{padding:24px}
.howto h3{display:flex;align-items:center;gap:10px;font-size:16px}
.howto ol{margin:12px 0 0;padding-left:20px;color:var(--muted);font-size:14.5px;line-height:1.65}
.howto li+li{margin-top:4px}
.sub-h{font-size:clamp(24px,3vw,32px);margin:72px 0 8px;letter-spacing:-.02em}
.sub-p{color:var(--muted);margin-bottom:8px}
.tech{margin-top:72px;border-radius:var(--r-xl)}
.tech>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:24px 28px;font-weight:600;font-size:17px}
.tech>summary::-webkit-details-marker{display:none}
.tech>summary .ic{color:var(--accent-text)}
.tech>summary small{display:block;font-weight:400;font-size:14px;color:var(--muted);margin-top:2px}
.tech>summary::after{content:"";margin-left:auto;flex:none;width:20px;height:20px;background:var(--muted);-webkit-mask:url(/assets/img/chevron.svg) center/contain no-repeat;mask:url(/assets/img/chevron.svg) center/contain no-repeat;transition:transform var(--t-base) var(--ease)}
.tech[open]>summary::after{transform:rotate(180deg)}
.tech__body{padding:0 28px 28px}
.tech__body h3{margin:28px 0 10px;font-size:16px}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface-solid)}
.table{width:100%;border-collapse:collapse;font-size:14px;min-width:680px}
.table th,.table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:top}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;background:var(--surface-2)}
.table tr:last-child td{border-bottom:0}
.table code{font-family:var(--mono);font-size:12px;word-break:break-all;color:var(--muted)}
.muted{color:var(--muted)}
.dl-file-size{font-size:12px;color:var(--muted)}
.verify{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.verify>div{min-width:0;padding:18px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface-solid)}
.verify h4{margin:0;display:flex;align-items:center;gap:8px;font-size:14.5px}
.verify pre{margin:12px 0 0;padding:12px;border-radius:var(--r-sm);background:var(--surface-2);font:12.5px/1.5 var(--mono);white-space:pre-wrap;word-break:break-all;color:var(--text)}
.tech__notes{margin:0;padding-left:20px;color:var(--muted);line-height:1.7;font-size:14.5px}
.tech__notes li+li{margin-top:6px}
.tech__notes code{font-family:var(--mono);font-size:13px;color:var(--text)}
.page-404{padding:140px 0 160px}
.nf-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity 700ms var(--ease),transform 700ms var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* responsive */
@media (max-width:1100px){
  .dl-grid,.howto{grid-template-columns:repeat(2,1fr)}
  .call{left:8px}.rd{right:8px}
}
@media (max-width:920px){
  .features{grid-template-columns:repeat(2,1fr)}
  .who,.steps{grid-template-columns:1fr}
  .privacy{grid-template-columns:1fr;gap:32px;padding:40px 32px}
  .mock__body{grid-template-columns:60px 1fr;min-height:420px}
  .mock__side{display:none}
  .verify{grid-template-columns:1fr}
  .rd{width:290px}.rd__screen{height:150px}
}
@media (max-width:760px){
  .nav__links{position:fixed;top:68px;left:0;right:0;flex-direction:column;gap:2px;margin:0;padding:12px 16px 20px;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:var(--sh-md);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity var(--t-base),transform var(--t-base) var(--ease),visibility var(--t-base)}
  .nav__links.is-open{opacity:1;visibility:visible;transform:none}
  .nav__links a{padding:12px;font-size:16px}
  .nav__menu{display:inline-flex}
  .nav__inner{gap:8px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .hero{padding:48px 0 24px}
  .hero__title{letter-spacing:-.04em}
  .hero__cta{width:100%;flex-direction:column}
  .hero__cta .btn{width:100%}
  .stage{margin-top:48px;padding-bottom:150px}
  .mock{font-size:12.5px;border-radius:16px}
  .mock__body{grid-template-columns:52px 1fr;min-height:400px}
  .mock__rail .srv{width:36px;height:36px;border-radius:12px;font-size:11px}
  .mock__chat{padding:0 14px 14px;gap:12px}
  .mock__head{margin:0 -14px 2px;padding:0 14px}
  .msg .av{width:30px;height:30px}
  .bubble{padding:9px 12px}
  .rd{width:calc(100% - 64px);right:16px;bottom:0}
  .rd__screen{height:120px}
  .call{top:auto;bottom:118px;left:16px;padding:10px 14px 10px 10px}
  .call__faces .av{width:28px;height:28px}
  .strip__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .strip__item{font-size:14px;align-items:flex-start}
  .section{padding-top:80px}
  .section__head{margin-bottom:36px}
  .section__lead{font-size:16.5px}
  .features,.dl-grid,.howto{grid-template-columns:1fr}
  .feature,.who__card,.step{padding:24px}
  .who__quote{font-size:18px}
  .step__num{font-size:44px}
  .privacy{padding:32px 22px}
  .cta{padding:56px 22px}
  .section--cta{padding-bottom:80px}
  .lang-btn__code{display:none}
  .nav__cta{display:none}
  .footer__inner{grid-template-columns:1fr}
  .faq summary{padding:18px 20px;font-size:16px}
  .faq details p{padding:0 20px 20px}
  .tech>summary{padding:20px}
  .tech__body{padding:0 20px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}
/* review fixes */
.hero__lead{text-wrap:pretty}
@media (min-width:641px){h2 .grad-text{white-space:nowrap}}
.stage{padding-bottom:112px}
.call{top:-26px;left:auto;right:max(24px,calc(50% - 560px))}
@media (max-width:640px){.stage{padding-bottom:150px}.call{top:auto;right:auto;left:16px;bottom:118px}}
@media (max-width:640px){.call{display:none}.stage{padding-bottom:120px}.rd{width:calc(100% - 48px);right:24px}}
.page-head .badge-gold{font-size:13.5px;margin:0 0 4px;max-width:none}
.page-head{padding-bottom:24px}
@media (max-width:640px){.dl-card.is-recommended{order:-1;margin-top:8px}}
.section--tight{padding-bottom:96px}
/* v3: more features */
.more__title{margin:72px 0 24px;text-align:center;font-size:clamp(22px,2.6vw,28px);letter-spacing:-.02em}
.more{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mini{display:flex;gap:14px;padding:20px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:transform var(--t-slow) var(--ease),border-color var(--t-base)}
.mini:hover{transform:translateY(-3px);border-color:rgba(108,92,231,.3)}
.mini__icon{display:grid;place-items:center;flex:none;width:38px;height:38px;border-radius:11px;color:#fff}
.mini__icon .ic{width:19px;height:19px}
.mini h4{margin:0;font-size:15px;font-weight:600;line-height:1.35}
.mini p{margin-top:4px;font-size:13.5px;line-height:1.55;color:var(--muted)}
.more__note{margin-top:28px;text-align:center;color:var(--muted);font-size:15px}
.more__note a{font-weight:600}
@media (max-width:1100px){.more{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.more{grid-template-columns:1fr}.more__title{margin-top:56px}}
@media (max-width:1000px) and (min-width:761px){.nav__links a{padding:8px 9px;font-size:14px}.nav__links{margin-left:4px}}
/* ---- developers ---- */
.code{position:relative;margin:12px 0 0;padding:18px 20px;border-radius:var(--r-lg);background:#0B0D1E;border:1px solid rgba(255,255,255,.08);color:#E3E6F6;font:13.5px/1.65 var(--mono);overflow-x:auto;tab-size:4;box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.code code{font:inherit;white-space:pre}
.tok-c{color:#7F86AE;font-style:italic}.tok-s{color:#9FE5B8}.tok-k{color:#C4A8FF}.tok-n{color:#FFC08A}.tok-d{color:#5FE3EC}.tok-f{color:#8CC8FF}
.code__copy{position:absolute;top:10px;right:10px;padding:5px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#C9CDE6;font:600 12px/1 var(--font);cursor:pointer;opacity:.85;transition:opacity var(--t-fast),background var(--t-fast)}
.code__copy:hover{opacity:1;background:rgba(255,255,255,.12)}
.code__copy.is-done{color:#4ADE80;border-color:rgba(74,222,128,.4)}
.code__file{margin-top:16px;font:600 12.5px/1.4 var(--mono);color:var(--muted)}
.code__h{margin-top:24px;font-size:15px}
.tabs{padding:8px 24px 24px;margin-top:20px}
.tabs__list{display:flex;gap:4px;border-bottom:1px solid var(--border);margin:0 -24px;padding:0 20px}
.tabs__list [role=tab]{position:relative;padding:14px 16px;border:0;background:none;color:var(--muted);font:600 15px/1 var(--font);cursor:pointer}
.tabs__list [role=tab][aria-selected=true]{color:var(--text)}
.tabs__list [role=tab][aria-selected=true]::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;background:var(--grad)}
.tabs__panel{padding-top:12px}
.note{display:flex;align-items:center;gap:8px;margin-top:16px}
.note .ic{color:var(--gold-text)}
.flow{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.flow li{padding:16px 18px;border-radius:var(--r-lg);font-weight:600;font-size:14.5px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.grid-2>*{min-width:0}
.grid-2--gap{gap:40px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 12px}
.stats .glass{padding:24px;display:flex;flex-direction:column;gap:4px}
.stats b{font-size:34px;font-weight:700;letter-spacing:-.03em;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats span{color:var(--muted)}
.sdk-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.sdk{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:var(--r-lg);color:var(--text);text-decoration:none!important;transition:transform var(--t-base) var(--ease),border-color var(--t-base)}
.sdk:hover{transform:translateY(-2px);border-color:rgba(108,92,231,.4)}
.sdk>.ic:first-child{width:24px;height:24px;color:var(--accent-text)}
.sdk span{display:flex;flex-direction:column;flex:1;min-width:0}
.sdk b{font:600 14px/1.4 var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sdk small{color:var(--muted);font-size:13.5px}
.api-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:72px;padding:36px 40px}
.api-cta h2{font-size:clamp(24px,3vw,32px)}
.page-head--left{text-align:left}
.page-head--left p{margin-left:0}
.small{font-size:14px}
.api-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:start}
.api-toc{position:sticky;top:92px;padding:20px;border-radius:var(--r-lg);max-height:calc(100vh - 120px);overflow:auto}
.api-toc ul{list-style:none;margin:0;padding:0}
.api-toc li a{display:block;padding:5px 8px;border-radius:8px;color:var(--muted);font-size:14px}
.api-toc li a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}
.api-toc .toc--3 a{padding-left:20px;font-size:13.5px}
.prose{min-width:0}
.prose h2{font-size:28px;margin:48px 0 12px;scroll-margin-top:90px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;margin:36px 0 10px;scroll-margin-top:90px}
.prose p,.prose li{color:var(--muted);line-height:1.75}
.prose p{margin:12px 0}
.prose ul{padding-left:22px}
.prose strong{color:var(--text)}
.prose :not(pre)>code,.table--api code{font:12.5px/1.5 var(--mono);padding:2px 6px;border-radius:6px;background:var(--surface-2);color:var(--text);word-break:break-word}
.prose .table-wrap{margin:16px 0}
.table--api{min-width:640px}
.table--api td{color:var(--muted);font-size:13.5px}
@media (max-width:920px){.flow{grid-template-columns:1fr 1fr}.grid-2,.sdk-grid{grid-template-columns:1fr}.api-layout{grid-template-columns:1fr}.api-toc{position:static;max-height:none}.api-cta{flex-direction:column;align-items:flex-start}}
@media (max-width:640px){.stats{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.tabs{padding:4px 14px 18px}.tabs__list{margin:0 -14px;padding:0 8px}.code{padding:14px;font-size:12.5px}.api-cta{padding:24px}.api-toc{display:none}}
.code{padding-right:76px}
.codebox{position:relative;margin-top:12px}
.codebox>.code{margin-top:0}
.codebox>.code__copy{position:absolute;top:10px;right:10px}
.codebox>.code__copy{background:#1B1E38}
.link-strong{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.sdk--wide{grid-column:1/-1}
.table--api td:first-child code{white-space:nowrap}.table--api td:first-child{width:1%}
/* v4 developers */
.bigsteps{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bigstep{padding:28px;display:flex;flex-direction:column;gap:6px}
.bigstep .step__num{margin-bottom:10px}
.chatdemo{display:flex;flex-direction:column;gap:6px;margin-top:14px;padding:14px;border-radius:var(--r-lg);background:var(--m-bubble);border:1px solid var(--border);font-size:13px}
.cd{align-self:flex-start;max-width:90%;padding:7px 11px;border-radius:12px 12px 12px 4px;background:var(--surface-solid);border:1px solid var(--border)}
.cd--me{align-self:flex-end;background:var(--grad);color:#fff;border:0;border-radius:12px 12px 4px 12px}
.cd code{font:12px var(--mono);color:var(--accent-text)}
.btnlist{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.btnlist .btn{justify-content:flex-start;background:var(--surface-2)}
.callout{display:flex;gap:18px;align-items:flex-start;margin-top:24px;padding:24px 28px;border-color:var(--gold-border)}
.callout .feature__icon{margin:0;flex:none}
.lead-p{font-size:18px;max-width:46em}
.sub-h3{margin:40px 0 0;font-size:20px}
.stats strong{font-size:17px;font-weight:700}
.stats b .ic{width:26px;height:26px;color:var(--accent-text)}
.stats b{-webkit-text-fill-color:initial;background:none;color:var(--accent-text);font-size:inherit}
.faq--dev{margin-top:28px}
.rules{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rules li{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--r-lg);line-height:1.6}
.guides{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.guide{padding:24px;min-width:0}
.guide__top{display:flex;gap:16px;align-items:flex-start}
.guide__top .feature__icon{margin:0;flex:none}
.guide__top .sub-p{margin-top:4px}
.howto ol.plain{list-style:none;padding-left:0}
@media (max-width:1000px){.bigsteps{grid-template-columns:1fr}.guides,.rules{grid-template-columns:1fr}}
@media (max-width:640px){.callout{flex-direction:column;padding:20px}.guide{padding:18px}}
.tabs__list{overflow-x:auto;scrollbar-width:none}
.tabs__list [role=tab]{white-space:nowrap;flex:none}
@media (max-width:640px){.tabs__list [role=tab]{padding:12px 10px;font-size:14px}}
.tokenbox{margin-top:14px;padding:14px;border-radius:var(--r-lg);background:#0B0D1E;border:1px solid rgba(255,255,255,.08);font:12.5px/1.7 var(--mono);color:#E3E6F6;overflow-x:auto;white-space:nowrap}
.tokenbox .tok-k{color:#C4A8FF}.tokenbox .tok-s{color:#9FE5B8}
/* v5 review fixes */
[hidden]{display:none!important}
/* English visitors: hide the Vietnamese source text until app.js has applied English
   (theme-init.js sets the flag and clears it after 800 ms at the latest). */
html[data-lang-pending] body{visibility:hidden}
/* "Coming soon" buttons (download cards, hero) */
.btn.is-disabled,.btn[aria-disabled="true"]{cursor:default;opacity:.62;box-shadow:none;transform:none;pointer-events:none}
.dl-card.is-soon .dl-card__btn{background:var(--surface-2);color:var(--muted);border-color:var(--border)}
.dl-file-name{font-family:var(--mono);font-size:13px;color:var(--text);word-break:break-all}
.table.no-sha th:last-child,.table.no-sha td:last-child{display:none}
.table--dl{min-width:560px}
.table--dl.no-sha{min-width:0}
/* code blocks: keep the copy button clear of the first line */
.codebox>.code{padding-top:46px}
/* privacy / terms */
.legal-summary{margin:8px 0 48px}
.legal h2{font-size:24px}
.legal-other{margin-top:40px}
@media (max-width:640px){
  /* hero mock: the remote-help window sits under the app window instead of covering the message box */
  .stage{padding-bottom:16px}
  .rd{position:relative;right:auto;bottom:auto;width:auto;margin:14px 12px 0}
  /* download tables: one card per file */
  .table-wrap--dl{overflow:visible;border:0;background:none;border-radius:0}
  .table--dl,.table--dl tbody,.table--dl tr,.table--dl td{display:block;min-width:0;width:100%}
  .table--dl thead{display:none}
  .table--dl tr{margin:0 0 12px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface-solid)}
  .table--dl td{padding:4px 0;border:0}
  .table--dl td:first-child{font-weight:700;font-size:15px;padding-bottom:6px}
  .table--dl td[data-label]:not(:first-child)::before{content:attr(data-label);display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;margin-bottom:2px}
  .table--dl.no-sha td:last-child{display:none}
  .table--dl td a{word-break:break-all}
  .codebox>.code{padding-top:44px}
}
@media (max-width:920px) and (min-width:641px){.stage{padding-bottom:172px}}