/* SoundFlux site. Layout: sticky glass header with language switch, wallpaper hero with a mock radio panel, then plans, features, steps, help centre, support, footer. Base identity follows SmartNAS (blue night, Saira, glass); Apex magenta and cyan are the accents. */
:root{
  --font:'Saira',system-ui,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;
  --bg:#e8eef6;--surface:#ffffff;--surface2:#f1f5fa;--fg:#121c2b;--muted:#566679;--line:#d8e0eb;
  --accent:#1b6ff0;--accent-soft:#e3eeff;--on-accent:#ffffff;
  --hot:#c4209f;--hot-soft:#fbe4f6;--cyan:#0b8f9e;--cyan-soft:#d9f4f6;
  --good:#12915a;--warn:#b87400;
  --glass:rgba(255,255,255,.82);--glass-line:rgba(255,255,255,.65);
  --shadow:0 20px 56px rgba(8,22,46,.22),0 2px 8px rgba(8,22,46,.12);
  --w1:#2f6fdc;--w2:#10a3b6;--w3:#6a4fd8;--bar:rgba(255,255,255,.78);
  --hero-fg:#ffffff;--hero-muted:rgba(255,255,255,.82);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0a1019;--surface:#141f2e;--surface2:#1a283a;--fg:#e6edf7;--muted:#90a2b8;--line:#263749;
  --accent:#4d94ff;--accent-soft:#17315a;--on-accent:#06101f;
  --hot:#f850e0;--hot-soft:#3b1638;--cyan:#28e0e0;--cyan-soft:#0f3a40;
  --good:#3dcf8e;--warn:#f0b43a;
  --glass:rgba(14,24,38,.82);--glass-line:rgba(255,255,255,.08);
  --shadow:0 20px 56px rgba(0,0,0,.6),0 2px 8px rgba(0,0,0,.4);
  --w1:#13305f;--w2:#0a5666;--w3:#2a2a6c;--bar:rgba(10,16,25,.78);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a1019;--surface:#141f2e;--surface2:#1a283a;--fg:#e6edf7;--muted:#90a2b8;--line:#263749;
  --accent:#4d94ff;--accent-soft:#17315a;--on-accent:#06101f;
  --hot:#f850e0;--hot-soft:#3b1638;--cyan:#28e0e0;--cyan-soft:#0f3a40;
  --good:#3dcf8e;--warn:#f0b43a;
  --glass:rgba(14,24,38,.82);--glass-line:rgba(255,255,255,.08);
  --shadow:0 20px 56px rgba(0,0,0,.6),0 2px 8px rgba(0,0,0,.4);
  --w1:#13305f;--w2:#0a5666;--w3:#2a2a6c;--bar:rgba(10,16,25,.78);color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,summary{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:min(1120px,100%);margin-inline:auto;padding-inline:20px}
.ic{flex:none;display:block}
.ribbon{background:var(--hot-soft);color:var(--fg);font-size:13.5px;text-align:center;padding:8px 20px;border-bottom:1px solid var(--line)}
.ribbon b{color:var(--hot)}

header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--bar);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:12px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.3px;text-decoration:none;color:var(--fg)}
.logo b{color:var(--hot);font-weight:700}
nav.main{display:flex;gap:2px;margin-left:auto}
nav.main a{padding:8px 11px;border-radius:9px;text-decoration:none;color:var(--fg);font-weight:600;font-size:15px}
nav.main a:hover{background:var(--surface2)}
.btn{border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:10px;padding:9px 16px;font-weight:700;display:inline-flex;align-items:center;gap:8px;min-height:40px;text-decoration:none;font-size:15px}
.btn:hover{background:var(--surface2)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.pri:hover{filter:brightness(1.08)}
.btn.hot{background:var(--hot);border-color:var(--hot);color:#fff}
.btn.ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.icon-btn{width:40px;padding:0;justify-content:center}
.sel{border:1px solid var(--line);background:var(--surface);border-radius:10px;height:40px;padding:0 10px;font-weight:700;font-size:14.5px}
@media (max-width:900px){nav.main{display:none}.top .wrap .sel{margin-left:auto}}
@media (max-width:480px){.top .wrap .btn.cta{display:none}.logo{font-size:20px}}

.hero{position:relative;color:var(--hero-fg);background:
  radial-gradient(900px 520px at 10% 0%,var(--w2),transparent 62%),
  radial-gradient(800px 600px at 95% 100%,var(--w3),transparent 62%),
  linear-gradient(140deg,var(--w1),#0a1019 98%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-block:72px 80px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:.6px;text-transform:uppercase;color:#7ef3f3;background:rgba(0,0,0,.28);padding:5px 12px;border-radius:99px}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:#ff5fe6;box-shadow:0 0 10px #ff5fe6;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.05;margin:18px 0 16px;font-weight:800;letter-spacing:-1px;text-wrap:balance}
.hero h1 em{font-style:normal;color:#ff7aea}
.hero p.lead{font-size:18px;color:var(--hero-muted);max-width:52ch;margin:0 0 26px}
.hero .row{display:flex;gap:12px;flex-wrap:wrap}
.hero small{display:block;margin-top:16px;color:var(--hero-muted);font-size:14px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-block:48px 56px}}

.mock{background:var(--glass);color:var(--fg);border:1px solid var(--glass-line);border-radius:18px;box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden;min-width:0}
.mock-h{display:flex;align-items:center;gap:8px;padding:11px 14px;background:var(--surface2);border-bottom:1px solid var(--line);font-weight:700;font-size:14px}
.mock-h .dots{display:flex;gap:6px;margin-right:6px}.mock-h .dots i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.mock-b{padding:18px;display:grid;gap:16px}
.np{display:flex;gap:14px;align-items:center}
.eq{display:flex;align-items:flex-end;gap:4px;height:46px;width:58px;flex:none;background:linear-gradient(145deg,#14233a,#0a1019);padding:9px;border-radius:12px;border:1px solid var(--line)}
.eq i{flex:1;border-radius:3px;background:linear-gradient(#28e0e0,#f850e0);animation:eq 1.1s ease-in-out infinite;transform-origin:bottom}
.eq i:nth-child(1){height:50%;animation-delay:-.2s}.eq i:nth-child(2){height:90%;animation-delay:-.6s}.eq i:nth-child(3){height:65%;animation-delay:-.4s}.eq i:nth-child(4){height:80%;animation-delay:-.9s}
@keyframes eq{50%{transform:scaleY(.45)}}
.np b{display:block;font-size:17px}.np span{color:var(--muted);font-size:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;min-width:0}
.stat small{display:block;color:var(--muted);font-size:12px;font-weight:600}
.stat b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums}
.url{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-family:var(--mono);font-size:13px;min-width:0}
.url span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.url .ok{color:var(--good);display:flex;align-items:center;gap:4px;font-family:var(--font);font-weight:700;font-size:12.5px;flex:none}
.spark{width:100%;height:56px;display:block}

section.s{padding-block:76px}
section.alt{background:var(--surface2);border-block:1px solid var(--line)}
h2.t{font-size:clamp(26px,3.4vw,36px);line-height:1.15;margin:0 0 10px;font-weight:800;letter-spacing:-.5px;text-wrap:balance}
p.sub{margin:0 0 34px;color:var(--muted);max-width:62ch;font-size:17px}
.tile{width:46px;height:46px;border-radius:22%;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--c1),var(--c2));box-shadow:0 6px 14px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.35)}

.toggle{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px;margin-bottom:26px;flex-wrap:wrap}
.toggle button{border:0;background:transparent;padding:8px 16px;border-radius:9px;font-weight:700;color:var(--muted)}
.toggle button[aria-pressed="true"]{background:var(--accent);color:var(--on-accent)}
.toggle .sv{font-size:12px;font-weight:700;color:var(--hot);margin-left:4px}
.toggle button[aria-pressed="true"] .sv{color:inherit;opacity:.9}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
@media (max-width:1100px){.plans{grid-template-columns:1fr 1fr}}@media (max-width:640px){.plans{grid-template-columns:1fr}}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px;min-width:0}
.plan.hl{border:2px solid var(--hot);box-shadow:0 14px 40px color-mix(in srgb,var(--hot) 22%,transparent);position:relative}
.plan .tag{position:absolute;top:-13px;left:22px;background:var(--hot);color:#fff;font-size:12px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;padding:3px 12px;border-radius:99px}
.plan h3{margin:0;font-size:20px;font-weight:800}
.price{display:flex;align-items:baseline;gap:6px}
.price b{font-size:44px;font-weight:800;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.price span{color:var(--muted);font-weight:600}
.plan .eqv{font-size:13.5px;color:var(--muted);min-height:20px}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.plan li{display:flex;gap:10px;align-items:flex-start}
.plan li svg{color:var(--good);margin-top:3px}
.plan .btn{margin-top:auto;justify-content:center}
.vat{margin-top:22px;display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14.5px}
.vat svg{color:var(--accent);margin-top:3px}

.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.feat{grid-template-columns:1fr 1fr}}@media (max-width:560px){.feat{grid-template-columns:1fr}}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:grid;gap:12px;align-content:start;min-width:0}
.fcard h3{margin:0;font-size:18px;font-weight:700}.fcard p{margin:0;color:var(--muted);font-size:15.5px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 20px;counter-increment:s;min-width:0}
.step::before{content:counter(s);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-weight:800;margin-bottom:12px}
.step h3{margin:0 0 6px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:15px}

.help{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
@media (max-width:900px){.help{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;min-width:0}
.panel h3{margin:0 0 14px;font-size:13px;letter-spacing:.9px;text-transform:uppercase;color:var(--muted);font-weight:700}
.panel p.d{margin:0 0 12px;color:var(--muted)}
details{border-top:1px solid var(--line)}details:first-of-type{border-top:0}
summary{list-style:none;cursor:pointer;padding:14px 0;font-weight:700;display:flex;justify-content:space-between;gap:12px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;color:var(--accent);line-height:1}
details[open] summary::after{content:"\2212"}
details p{margin:0 0 14px;color:var(--muted);font-size:15.5px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{border:1px solid var(--line);background:var(--surface2);border-radius:99px;padding:6px 14px;font-weight:700;font-size:14px;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.tut ol{margin:0;padding-left:20px;display:grid;gap:8px}
.tut code{font-family:var(--mono);font-size:13px;background:var(--surface2);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.tut .foot{margin:14px 0 0;font-size:14px;color:var(--muted)}

.sup{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.sup{grid-template-columns:1fr}}
.tk{display:grid;gap:8px;margin-top:6px}
.tk div{display:flex;justify-content:space-between;gap:10px;align-items:center;background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px}
.pill{display:inline-flex;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:700;white-space:nowrap}
.pill.a{background:var(--cyan-soft);color:var(--cyan)}.pill.b{background:var(--hot-soft);color:var(--hot)}.pill.c{background:var(--accent-soft);color:var(--accent)}

footer{padding-block:40px;border-top:1px solid var(--line);color:var(--muted);font-size:14.5px}
footer .wrap{display:grid;gap:10px}
footer .legal{display:flex;gap:18px;flex-wrap:wrap}

.fab{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:80;display:flex;align-items:center;gap:10px;border:0;background:linear-gradient(135deg,var(--accent),var(--hot));color:#fff;padding:10px 18px 10px 10px;border-radius:99px;font-weight:700;box-shadow:var(--shadow)}
.fab .av{width:34px;height:34px;border-radius:50%;background:#0a1019;display:grid;place-items:center}
.chat{position:fixed;right:18px;bottom:calc(86px + env(safe-area-inset-bottom,0px));z-index:90;width:min(380px,calc(100% - 36px));max-height:min(560px,calc(100% - 140px));background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.chat[hidden]{display:none}
.chat-h{display:flex;align-items:center;gap:10px;padding:12px 14px;background:linear-gradient(135deg,#14233a,#0a1019);color:#fff}
.chat-h b{display:block;line-height:1.2}.chat-h small{color:#9fb3cc}
.chat-h button{margin-left:auto;background:transparent;border:0;color:#fff;width:32px;height:32px;border-radius:8px;display:grid;place-items:center}
.chat-h button:hover{background:rgba(255,255,255,.14)}
.msgs{padding:14px;overflow:auto;display:flex;flex-direction:column;gap:10px;flex:1;min-height:200px}
.m{max-width:86%;padding:9px 13px;border-radius:14px;font-size:15px;line-height:1.45}
.m.bot{background:var(--surface2);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.m.me{background:var(--accent);color:var(--on-accent);align-self:flex-end;border-bottom-right-radius:4px}
.m.sys{align-self:center;background:var(--hot-soft);color:var(--fg);font-size:13.5px;border-radius:10px;max-width:96%}
.chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px}
.chips button{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 12px;font-size:13.5px;font-weight:600}
.chips button:hover{border-color:var(--accent);color:var(--accent)}
.chat form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chat input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:9px 12px}
.chat .demo{font-size:12px;color:var(--muted);text-align:center;padding:0 12px 8px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* production additions */
.ribbon{display:none}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--on-accent);padding:8px 14px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}
.legal a{color:var(--muted)}
.page{padding-block:56px 72px}
.page h1{font-size:clamp(28px,4vw,40px);line-height:1.15;margin:0 0 12px;font-weight:800;letter-spacing:-.5px}
.page h2{font-size:20px;margin:28px 0 8px}
.page p,.page li{color:var(--muted);max-width:70ch}
.page .card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;max-width:720px}
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.fld label{font-size:13px;font-weight:700;color:var(--muted)}
.fld input,.fld textarea,.fld select{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;min-height:42px;width:100%}
.fld textarea{min-height:140px;resize:vertical}
.fld input:focus,.fld textarea:focus{border-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin-bottom:14px}
.chk input{margin-top:3px;width:16px;height:16px;accent-color:var(--accent)}
.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px;background:var(--accent-soft);color:var(--fg)}
.alert.err{background:var(--hot-soft)}
.alert.ok{background:var(--cyan-soft)}
.msg{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:14px 16px;margin-bottom:12px;max-width:720px}
.msg.staff{border-color:var(--accent);background:var(--accent-soft)}
.msg small{display:block;color:var(--muted);margin-bottom:6px;font-weight:600}
.msg div{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--fg)}
.chat .esc{padding:12px;border-top:1px solid var(--line);background:var(--surface2);display:grid;gap:8px}
.chat .esc input{width:100%}
.chat .esc .chk{margin:0}
.cf-turnstile{margin:6px 0}
[hidden]{display:none!important}
.plans[data-p="m"] .py{display:none}
.plans[data-p="y"] .pm{display:none}
.tut h4{margin:0 0 12px;font-size:18px}
.doc h2{font-size:18px;margin:26px 0 6px}

/* seletor de língua (dropdown) */
.langdd{position:relative}
.langdd summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--fg);font-weight:700;font-size:14.5px;user-select:none}
.langdd summary::-webkit-details-marker{display:none}
.langdd summary:hover{background:var(--surface2)}
.langdd summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.langdd .chev{transition:transform .15s}
.langdd[open] .chev{transform:rotate(180deg)}
.langmenu{position:absolute;right:0;top:calc(100% + 8px);z-index:80;margin:0;padding:6px;list-style:none;min-width:176px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.langmenu a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;text-decoration:none;color:var(--fg);font-size:15px}
.langmenu a b{width:26px;font-size:13px;color:var(--muted)}
.langmenu a:hover{background:var(--surface2)}
.langmenu a[aria-current="true"]{background:var(--accent);color:var(--on-accent)}
.langmenu a[aria-current="true"] b{color:inherit}
@media (max-width:900px){.langdd{margin-left:auto}}

/* cartões: sombra no hover */
.fcard,.step{transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.fcard:hover,.step:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--accent)}
@media (hover:none){.fcard:hover,.step:hover{transform:none}}

/* centro de tutoriais */
.tutl{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}
.tutl nav{position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px);display:grid;gap:2px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.tutl nav a{padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:14.5px;font-weight:600}
.tutl nav a:hover{background:var(--surface2);color:var(--fg)}
.tutl article{min-width:0}
.tutl section{padding-block:6px 30px;border-bottom:1px solid var(--line);margin-bottom:28px;scroll-margin-top:90px}
.tutl section:last-child{border-bottom:0}
.tutl h2{font-size:clamp(22px,2.6vw,28px);margin:0 0 12px;letter-spacing:-.3px}
.tutl h3{font-size:17px;margin:20px 0 6px}
.tutl p,.tutl li{color:var(--muted);max-width:72ch;font-size:16px;line-height:1.6}
.tutl li{margin-bottom:6px}
.tutl code{font-family:var(--mono);font-size:.9em;background:var(--surface2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--fg)}
.tutl .note{background:var(--surface2);border:1px solid var(--line);border-left:3px solid var(--hot);border-radius:10px;padding:12px 16px;margin:14px 0;color:var(--fg);max-width:72ch;font-size:15.5px}
.tutl .tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:14px 0}
.tutl table{border-collapse:collapse;width:100%;min-width:560px;font-size:15px}
.tutl th,.tutl td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted)}
.tutl th{background:var(--surface2);color:var(--fg);font-weight:700}
.tutl tr:last-child td{border-bottom:0}
.tutl td:first-child{color:var(--fg);font-weight:700;white-space:nowrap}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0}
.chain span{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:700;font-size:14.5px;color:var(--fg)}
.chain i{font-style:normal;color:var(--hot);font-weight:800}
@media (max-width:900px){.tutl{grid-template-columns:1fr}.tutl nav{position:static;grid-template-columns:1fr 1fr}}
@media (max-width:480px){.tutl nav{grid-template-columns:1fr}}
.more{display:inline-flex;margin-top:14px;font-weight:700;color:var(--accent);text-decoration:none}
.more:hover{text-decoration:underline}
.langdd summary::after,.langdd[open] summary::after{content:none}
nav.main a,.btn.cta{white-space:nowrap}
@media (max-width:1180px){nav.main a{padding:8px 8px;font-size:14.5px}}
.langdd summary svg{flex:none;width:auto;height:auto}
.langdd summary svg.ic{width:18px;height:18px}
.langdd summary .chev{width:14px;height:14px}

/* cartões de planos e de suporte: sombra no hover */
.plan,.sup .panel{transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.plan:hover,.sup .panel:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--accent)}
.plan.hl:hover{border-color:var(--hot)}
@media (hover:none){.plan:hover,.sup .panel:hover{transform:none}}

.m a{color:inherit;text-decoration:underline;text-underline-offset:2px;word-break:break-all}