/* ===== PulseHub — design system ===== */
:root{
  --bg:#060910;
  --bg2:#0a0f1a;
  --surf:#0e1522;
  --surf2:#121b2b;
  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.14);
  --txt:#e9eef7;
  --mut:#8c9ab1;
  --acc:#22e3a1;
  --acc2:#13b3ff;
  --hr:#ff5c7a;
  --spo:#13b3ff;
  --step:#22e3a1;
  --bp:#c084fc;
  --sleep:#7c8cff;
  --ok:#22e3a1;
  --warn:#ffb13d;
  --deep:#4c5ce0;
  --light:#7c8cff;
  --rem:#22d3c5;
  --awake:#ffb13d;
  --r:18px;
  --wrap:1180px;
  --sh:0 24px 60px -24px rgba(0,0,0,.75);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font:400 16px/1.6 'Inter',system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.14;letter-spacing:-.02em;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code{font-family:'JetBrains Mono',monospace;font-size:.86em;background:rgba(34,227,161,.1);color:var(--acc);padding:.12em .4em;border-radius:5px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;justify-content:center;
  font:600 14.5px/1 'Inter',sans-serif;cursor:pointer;border:1px solid transparent;
  padding:.78rem 1.25rem;border-radius:12px;transition:.18s ease;white-space:nowrap;
  background:none;color:var(--txt);
}
.btn .ico{width:17px;height:17px;flex:none}
.btn--primary{background:linear-gradient(135deg,var(--acc),#0fd9c0);color:#04110c;box-shadow:0 10px 26px -12px rgba(34,227,161,.75)}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn--ghost{border-color:var(--line2);background:rgba(255,255,255,.03);color:var(--txt)}
.btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(34,227,161,.5)}
.btn--lg{padding:1rem 1.6rem;font-size:15.5px;border-radius:14px}
.btn--tiny{padding:.42rem .7rem;font-size:12.3px;border:1px solid var(--line2);border-radius:9px;background:rgba(255,255,255,.03)}
.btn--tiny:hover{border-color:var(--acc);color:var(--acc)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(6,9,16,.76);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px;letter-spacing:-.02em}
.brand strong{color:var(--acc)}
.brand__mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(34,227,161,.22),rgba(19,179,255,.18));border:1px solid rgba(34,227,161,.35);color:var(--acc)}
.brand__mark svg{width:20px;height:20px}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--mut)}
.nav__links a:hover{color:var(--txt)}
.nav__cta{display:flex;align-items:center;gap:12px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--mut);border:1px solid var(--line);padding:.42rem .7rem;border-radius:99px;background:rgba(255,255,255,.02)}
.dot{width:8px;height:8px;border-radius:50%;background:#56637a;flex:none}
.is-on .dot,.dot.on{background:var(--acc);box-shadow:0 0 0 4px rgba(34,227,161,.18);animation:pulse 1.8s infinite}
.dot.demo{background:var(--warn);box-shadow:0 0 0 4px rgba(255,177,61,.16)}
@keyframes pulse{50%{box-shadow:0 0 0 9px rgba(34,227,161,0)}}

/* ---- hero ---- */
.hero{position:relative;padding:90px 0 80px;overflow:hidden}
.hero__glow{position:absolute;inset:-30% 40% 40% -20%;background:radial-gradient(45% 45% at 40% 40%,rgba(34,227,161,.18),transparent 70%),radial-gradient(40% 40% at 80% 20%,rgba(19,179,255,.16),transparent 70%);filter:blur(18px);pointer-events:none}
.hero__in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:12.6px;font-weight:600;color:var(--acc);background:rgba(34,227,161,.1);border:1px solid rgba(34,227,161,.28);padding:.45rem .85rem;border-radius:99px;letter-spacing:.01em}
.hero h1{font-size:clamp(2.3rem,4.6vw,3.65rem);margin:22px 0 18px;font-weight:800}
.grad{background:linear-gradient(100deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mut);font-size:17.4px;max-width:56ch}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 34px}
.hero__facts{list-style:none;display:flex;gap:34px;padding:0;margin:0;border-top:1px solid var(--line);padding-top:22px}
.hero__facts strong{display:block;font-size:26px;font-weight:800;color:var(--txt)}
.hero__facts span{font-size:13px;color:var(--mut)}
.hero__note{margin-top:18px;font-size:13px;color:var(--mut)}
.hero__note.bad{color:var(--warn)}
.hero__art{position:relative;margin:0}
.hero__art img{border-radius:24px;border:1px solid var(--line2);box-shadow:var(--sh);aspect-ratio:14/10;object-fit:cover}
.float{position:absolute;background:rgba(14,21,34,.86);backdrop-filter:blur(12px);border:1px solid var(--line2);border-radius:16px;padding:12px 15px;box-shadow:var(--sh)}
.float__k{display:block;font-size:11.4px;color:var(--mut);letter-spacing:.06em;text-transform:uppercase}
.float__v{font-size:21px;font-weight:700}
.float__v em{font-style:normal;color:var(--acc)}
.float--hr{left:-26px;bottom:34px}
.float--hr .float__v em{color:var(--hr)}
.float--spo{right:-18px;top:34px}
.float canvas{display:block;margin-top:4px}

/* ---- sections ---- */
.sec{padding:92px 0}
.sec--alt{background:linear-gradient(180deg,var(--bg),var(--bg2) 50%,var(--bg))}
.sec__head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.sec__head--center{flex-direction:column;align-items:center;text-align:center;max-width:720px;margin:0 auto 52px}
.eyebrow{display:block;font-size:12.4px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);margin-bottom:12px}
.sec h2{font-size:clamp(1.65rem,3vw,2.4rem)}
.sub{color:var(--mut);margin-top:14px;font-size:16.6px}

/* ---- painel ---- */
.panel{padding:30px 0 92px}
.panel .sec__head{margin-bottom:28px}
.panel h2{font-size:clamp(1.5rem,2.6vw,2.05rem)}
.panel__bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;background:var(--surf);border:1px solid var(--line);padding:12px 16px;border-radius:16px}
.conn{display:flex;align-items:center;gap:11px}
.conn__txt strong{display:block;font-size:14.4px}
.conn__txt small{color:var(--mut);font-size:12.4px}
.panel__btns{display:flex;gap:9px;flex-wrap:wrap}

.nobt{background:rgba(255,177,61,.07);border:1px solid rgba(255,177,61,.3);border-radius:16px;padding:20px 22px;margin:16px 0 22px}
.nobt h3{font-size:16.6px;color:var(--warn);margin-bottom:10px}
.nobt p{color:var(--mut);font-size:14.6px}
.nobt ul{margin:12px 0 0;padding-left:20px;color:var(--mut);font-size:14.6px;display:grid;gap:8px}
.nobt b{color:var(--txt)}
.nobt a{color:var(--acc);text-decoration:underline;text-underline-offset:3px}
.nobt__alt{margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,177,61,.2)}

/* campo de texto do painel */
.inp{background:rgba(255,255,255,.04);border:1px solid var(--line2);color:var(--txt);border-radius:12px;padding:.72rem .9rem;font:500 14px 'Inter',sans-serif;width:150px;outline:none}
.inp:focus{border-color:var(--acc);background:rgba(34,227,161,.06)}
.inp::placeholder{color:var(--mut)}

/* bloco de ajuda / solucao de problemas */
.help{margin:18px 0 6px;background:var(--surf);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.help summary{cursor:pointer;padding:15px 18px;font-weight:600;font-size:14.6px;list-style:none;display:flex;align-items:center;gap:10px}
.help summary::-webkit-details-marker{display:none}
.help summary::before{content:'?';width:22px;height:22px;border-radius:50%;background:rgba(255,177,61,.16);color:var(--warn);display:grid;place-items:center;font-size:13px;font-weight:800;flex:none}
.help summary:hover{color:var(--acc)}
.help[open] summary{border-bottom:1px solid var(--line)}
.help__in{padding:18px}
.help__in ol{margin:0;padding-left:22px;display:grid;gap:12px;color:var(--mut);font-size:14.4px;line-height:1.6}
.help__in b{color:var(--txt)}
.help__in i{font-style:normal;color:#cfd8e6}
.help__note{margin-top:16px;padding:14px 16px;background:rgba(19,179,255,.06);border:1px solid rgba(19,179,255,.2);border-radius:12px;font-size:13.8px;color:var(--mut);line-height:1.6}

/* titulos de grupo do painel */
.grp{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:38px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.grp span{font-size:13.6px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--acc)}
.grp i{font-style:normal;font-size:13.2px;color:var(--mut);font-weight:400}

.grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.card{grid-column:span 2;background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:20px;position:relative;overflow:hidden;transition:.2s}
.card:hover{border-color:var(--line2)}
.card--hr,.card--steps{grid-column:span 3}
.card--wide{grid-column:span 6}
.card--sleep{grid-column:span 4}
.card--half{grid-column:span 3}
.card--note{background:rgba(19,179,255,.05);border-color:rgba(19,179,255,.22)}
.card--note p{font-size:13.8px;color:var(--mut);line-height:1.62}
.card--note b{color:var(--txt)}
.card__chart--tall{margin-top:4px}
.ring--sm{width:118px;height:118px}
.ring--sm canvas{width:118px;height:118px}
.ring--sm .ring__c strong{font-size:21px}

/* lista de treinos gravados */
.wklist{list-style:none;margin:0;padding:0;display:grid;gap:8px;max-height:186px;overflow-y:auto}
.wklist li{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:10px 13px;font-size:13.4px}
.wklist li b{font-weight:600}
.wklist li span{color:var(--mut);margin-left:auto;font-variant-numeric:tabular-nums;font-size:12.6px}
.wklist__ico{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:rgba(255,92,122,.14);color:var(--hr);font-size:13px;flex:none}
.wklist__empty{color:var(--mut);justify-content:center;background:none;border-style:dashed}

/* barras de movimento por hora */
.hours{display:flex;align-items:flex-end;gap:3px;height:96px;margin-top:6px}
.hours i{flex:1;border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,var(--acc),rgba(34,227,161,.22));min-height:3px;transition:height .4s}
.hours i.sed{background:linear-gradient(180deg,rgba(255,177,61,.5),rgba(255,177,61,.12))}
.hours i.now{box-shadow:0 0 0 1px var(--acc2) inset}
.card__top{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.card__top h3{font-size:14.8px;font-weight:600}
.card__ico{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;flex:none;color:var(--c,var(--acc));background:color-mix(in srgb,var(--c,var(--acc)) 14%,transparent);border:1px solid color-mix(in srgb,var(--c,var(--acc)) 28%,transparent)}
.card__ico svg{width:17px;height:17px}
.card__tag{margin-left:auto;font-size:11.8px;color:var(--mut);border:1px solid var(--line);padding:.26rem .6rem;border-radius:99px;white-space:nowrap}
.card__tools{margin-left:auto;display:flex;gap:7px;flex-wrap:wrap}
.metric{font-size:clamp(2.1rem,4vw,2.85rem);font-weight:800;letter-spacing:-.03em;line-height:1;display:flex;align-items:baseline;gap:.35rem}
.metric small{font-size:.92rem;font-weight:600;color:var(--mut);letter-spacing:0}
.card__chart{width:100%;margin-top:10px;display:block}
.card__foot{display:flex;gap:16px;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mut)}
.card__foot b{color:var(--txt);font-weight:600}
.sw{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px}
.bar{height:9px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden;margin-top:18px}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--spo),var(--acc));transition:width .6s ease}
.steps__row{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.ring{position:relative;width:150px;height:150px;flex:none}
.ring canvas{width:150px;height:150px}
.ring__c{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring__c strong{font-size:25px;font-weight:800;letter-spacing:-.02em}
.ring__c small{display:block;font-size:11.6px;color:var(--mut)}
.mini{list-style:none;padding:0;margin:0;flex:1;min-width:140px;display:grid;gap:9px}
.mini li{display:flex;justify-content:space-between;gap:10px;font-size:13.4px;color:var(--mut);border-bottom:1px dashed var(--line);padding-bottom:7px}
.mini b{color:var(--txt);font-weight:600}
.mini--wide{margin-top:18px}
.hyp{display:flex;gap:2px;height:52px;margin-top:16px;border-radius:9px;overflow:hidden;background:rgba(255,255,255,.04)}
.hyp i{display:block;height:100%;transition:flex-grow .5s}

.tblwrap{overflow-x:auto;max-height:290px;overflow-y:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13.4px}
.tbl th{text-align:left;font-size:11.6px;letter-spacing:.07em;text-transform:uppercase;color:var(--mut);font-weight:600;padding:9px 12px;position:sticky;top:0;background:var(--surf);border-bottom:1px solid var(--line)}
.tbl td{padding:9px 12px;border-bottom:1px solid rgba(255,255,255,.05);font-variant-numeric:tabular-nums}
.tbl tr:hover td{background:rgba(255,255,255,.025)}
.tbl .empty td{color:var(--mut);text-align:center;padding:26px}
.tbl .src{font-size:11.4px;color:var(--mut);border:1px solid var(--line);border-radius:99px;padding:.15rem .5rem}
.card--console{background:#080c14}
.console{margin:0;max-height:220px;overflow:auto;font:400 12.4px/1.65 'JetBrains Mono',monospace;color:#9fb0c8;background:#05080e;border:1px solid var(--line);border-radius:12px;padding:14px;white-space:pre-wrap;word-break:break-word}
.console b{color:var(--acc);font-weight:600}
.console i{color:var(--mut);font-style:normal}
.console .rx{color:#13b3ff}
.console .tx{color:#ffb13d}
.console .er{color:var(--hr)}

/* ---- feats ---- */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.2s}
.feat:hover{transform:translateY(-4px);border-color:rgba(34,227,161,.32);background:var(--surf2)}
.feat__ico{font-size:25px;display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:rgba(34,227,161,.09);border:1px solid rgba(34,227,161,.2);margin-bottom:16px}
.feat h3{font-size:17px;margin-bottom:9px}
.feat p{color:var(--mut);font-size:14.6px}

/* ---- how ---- */
.how{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.how__img img{border-radius:22px;border:1px solid var(--line2);box-shadow:var(--sh);aspect-ratio:10/11;object-fit:cover}
.steps{list-style:none;counter-reset:s;padding:0;margin:30px 0 26px;display:grid;gap:22px}
.steps li{counter-increment:s;padding-left:54px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#04110c;background:linear-gradient(135deg,var(--acc),#0fd9c0)}
.steps h3{font-size:16.4px;margin-bottom:6px}
.steps p{color:var(--mut);font-size:14.6px}
.how__tip{background:rgba(19,179,255,.07);border:1px solid rgba(19,179,255,.24);border-radius:14px;padding:16px 18px;font-size:14px;color:var(--mut)}
.how__tip strong{color:var(--txt)}

/* ---- compat ---- */
.compat{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:56px}
.compat__item{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.compat__item b{display:block;font-size:16.4px;margin-bottom:5px}
.compat__item span{display:block;font-size:13px;color:var(--mut);margin-bottom:14px}
.compat__item i{font-style:normal;font-size:12px;font-weight:600;padding:.3rem .65rem;border-radius:99px}
.compat__item .ok{color:var(--acc);background:rgba(34,227,161,.12)}
.compat__item .mid{color:var(--warn);background:rgba(255,177,61,.12)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{margin:0;background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:20px}
.quote blockquote{margin:0;font-size:15.2px;color:#cfd8e6;line-height:1.62}
.quote figcaption{display:flex;align-items:center;gap:12px;margin-top:auto}
.av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13.6px;flex:none;color:#04110c;background:var(--c)}
.quote b{display:block;font-size:14.2px}
.quote small{color:var(--mut);font-size:12.6px}

/* ---- cta ---- */
.cta{padding:96px 0;background:radial-gradient(60% 100% at 50% 0%,rgba(34,227,161,.13),transparent 70%),var(--bg2);border-top:1px solid var(--line)}
.cta__in{text-align:center;max-width:720px;margin:0 auto}
.cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.cta p{color:var(--mut);margin:16px 0 30px;font-size:17px}
.cta__btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---- footer ---- */
.foot{border-top:1px solid var(--line);background:#05080e;padding:56px 0 26px}
.foot__in{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.foot__txt{color:var(--mut);font-size:13.6px;margin-top:16px;max-width:46ch}
.foot__nav{display:grid;gap:10px;align-content:start;font-size:14px;color:var(--mut)}
.foot__nav h4{color:var(--txt);font-size:13px;letter-spacing:.09em;text-transform:uppercase;margin-bottom:4px}
.foot__nav a:hover{color:var(--acc)}
.foot__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-size:12.6px;color:var(--mut)}

/* ---- toasts ---- */
.toasts{position:fixed;bottom:22px;right:22px;z-index:99;display:grid;gap:10px;max-width:340px}
.toast{background:var(--surf2);border:1px solid var(--line2);border-left:3px solid var(--acc);border-radius:12px;padding:13px 16px;font-size:13.8px;box-shadow:var(--sh);animation:in .25s ease}
.toast.err{border-left-color:var(--hr)}
.toast.warn{border-left-color:var(--warn)}
.toast b{display:block;margin-bottom:3px;font-size:13.4px}
.toast span{color:var(--mut)}
@keyframes in{from{opacity:0;transform:translateY(10px)}}

/* ---- responsive ---- */
@media(max-width:980px){
  .hero__in,.how{grid-template-columns:1fr;gap:40px}
  .hero__art{order:-1}
  .hero__art img,.how__img img{aspect-ratio:16/10}
  .nav__links{display:none}
  .grid{grid-template-columns:repeat(2,1fr)}
  .card,.card--hr,.card--steps,.card--sleep,.card--wide,.card--half{grid-column:span 2}
  .feats,.compat,.quotes{grid-template-columns:1fr 1fr}
  .foot__in{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .sec{padding:64px 0}
  .hero{padding:52px 0 60px}
  .nav__cta .chip{display:none}
  .grid,.feats,.compat,.quotes,.foot__in{grid-template-columns:1fr}
  .card,.card--hr,.card--steps,.card--sleep,.card--wide,.card--half{grid-column:span 1}
  .hours{height:72px}
  .hero__facts{gap:20px}
  .hero__facts strong{font-size:21px}
  .float--hr{left:8px;bottom:10px}
  .float--spo{right:8px;top:10px}
  .btn{width:100%}
  .panel__btns,.hero__actions,.cta__btns{width:100%}
  .card__tools .btn--tiny{width:auto}
}