/* uptoS3 site - shared by index.html (pt-BR) and en.html (English)
   Visual identity follows stratosales.com.br: purple gradient hero with dark overlay,
   near-black #0d141a header/contact, lavender-tinted light sections, geometric sans headings. */
:root{
  --bg:#ffffff;--soft:#f5f2fa;--fg:#20262c;--mute:#56585e;--line:#e6e1ee;
  --acc:#8f11a8;--acc-d:#6f0d83;--acc-soft:#f1e8f6;--violet:#4b2a8c;--lav:#a593c8;
  --dark:#0d141a;--dark2:#161e26;--call:#de4e26;
  --ok:#0f7a4a;--no:#b42318;--wa:#1c9a50;
  --head:"Outfit","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16.5px/1.65 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
h1,h2,h3,.brand-name,.kicker{font-family:var(--head)}
img,svg{max-width:100%}
a{color:var(--acc)}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px 12px;z-index:9}

/* ---------- header (dark, like stratosales.com.br) ---------- */
.top{position:sticky;top:0;z-index:5;background:rgba(13,20,26,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.top .wrap{display:flex;align-items:center;gap:24px;height:80px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;margin-right:auto}
.brand svg{width:46px;height:46px;flex:none}
.brand-name{font-weight:600;font-size:30px;letter-spacing:-.01em;line-height:1}
.brand-by{display:flex;flex-direction:column;justify-content:center;border-left:1px solid rgba(255,255,255,.18);padding-left:12px;margin-left:2px;font-size:10.5px;color:#aab0bb;letter-spacing:.06em;text-transform:uppercase;line-height:1.2}
.brand-by img{height:27px;width:auto;margin-top:2px}
.nav{display:flex;gap:22px;font-size:15px}
.nav a{color:#c9ccd3;text-decoration:none}.nav a:hover{color:#fff}
.lang{font-size:14px;font-weight:600;text-decoration:none;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 14px;color:#fff;white-space:nowrap}
.lang:hover{background:rgba(255,255,255,.1)}

/* ---------- hero: Strato Sales purple gradient + 30% dark overlay ---------- */
.hero{color:#fff;padding:84px 0 88px;background:
  linear-gradient(rgba(13,20,26,.30),rgba(13,20,26,.30)),
  radial-gradient(55% 75% at 52% 28%,#a593c8 0%,rgba(165,147,200,0) 72%),
  radial-gradient(45% 60% at 100% 100%,#4b2a8c 0%,rgba(75,42,140,0) 100%),
  radial-gradient(45% 60% at 0% 100%,#1d1733 0%,rgba(29,23,51,0) 100%),
  linear-gradient(135deg,#3a2d5c 0%,#6f5c9c 48%,#4a3384 100%)}
.lockup{display:flex;align-items:center;flex-wrap:wrap;gap:14px 18px;margin:0 0 30px}
.lockup svg{width:72px;height:72px;flex:none;filter:drop-shadow(0 10px 24px rgba(13,20,26,.35))}
.lockup .brand-name{font-size:clamp(44px,7vw,64px)}
.lockup .by{display:flex;align-items:center;gap:10px;font-size:13px;color:#e4dcf3;letter-spacing:.05em;text-transform:uppercase}
.lockup .by img{height:40px;width:auto}
.hero h1{font-weight:600;font-size:clamp(32px,5vw,54px);line-height:1.1;letter-spacing:-.02em;margin:0 0 18px;max-width:820px}
.hero p.sub{font-size:clamp(17px,2.1vw,20px);color:#ede8f7;max-width:700px;margin:0 0 32px}
.trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;padding:0;margin:36px 0 0;font-size:15px;color:#eee8f8}
.trust li:before{content:"\2713";color:#fff;background:rgba(255,255,255,.18);border-radius:50%;display:inline-grid;place-items:center;width:20px;height:20px;font-size:12px;font-weight:800;margin-right:8px}

/* ---------- buttons ---------- */
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:999px;font:600 16px var(--head);text-decoration:none;border:2px solid transparent;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(13,20,26,.25)}
.btn svg{width:20px;height:20px;flex:none}
.btn-wa{background:var(--wa);color:#fff}
.btn-light{background:#fff;color:var(--dark)}
.btn-line{border-color:var(--acc);color:var(--acc)}

/* ---------- sections ---------- */
section{padding:76px 0}
section.soft{background:var(--soft)}
h2{font-weight:600;font-size:clamp(27px,3.6vw,38px);line-height:1.18;letter-spacing:-.015em;margin:0 0 12px}
.lead{color:var(--mute);max-width:720px;margin:0 0 36px}
h3{font-weight:600;font-size:19px;line-height:1.3;margin:0 0 6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.card p{margin:0;color:var(--mute);font-size:15.5px}
.ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--acc),var(--violet));color:#fff;display:grid;place-items:center;margin-bottom:14px}
.ic svg{width:22px;height:22px}
.pain .card{border-top:4px solid var(--call)}

/* comparison */
.compare{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;font-size:15.5px}
.compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{background:var(--dark);color:#c9ccd3;font:600 13.5px var(--head);text-transform:uppercase;letter-spacing:.05em}
.compare thead th.us{color:#fff;background:linear-gradient(135deg,var(--acc),var(--violet))}
.compare tr:last-child td,.compare tr:last-child th{border-bottom:0}
.compare td.no{color:var(--no)}.compare td.yes{color:var(--ok);font-weight:600;background:#faf7fc}
.compare td.no:before{content:"\2717  "}.compare td.yes:before{content:"\2713  "}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;counter-reset:s}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.steps li:before{content:counter(s,decimal-leading-zero);display:block;font:600 30px/1 var(--head);background:linear-gradient(135deg,var(--acc),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
.steps p{margin:0;color:var(--mute);font-size:15.5px}

/* who */
.tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.tags li{background:var(--acc-soft);color:#4a1757;border-radius:999px;padding:9px 18px;font-size:15.5px;font-weight:500}

/* faq */
.faq{max-width:840px}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font:600 17px var(--head);padding:16px 30px 16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:4px;top:11px;font-size:24px;color:var(--acc);font-weight:400}
.faq details[open] summary:after{content:"\2013"}
.faq details p{margin:0 0 16px;color:var(--mute)}

/* ---------- contact: dark, like "Fale conosco" on stratosales.com.br ---------- */
.final{text-align:center;background:radial-gradient(60% 90% at 50% 0%,rgba(143,17,168,.28),rgba(143,17,168,0) 70%),var(--dark);color:#fff}
.final .lead{color:#c9ccd3;margin:0 auto 30px}
.final .cta{justify-content:center}
.final .mail{margin:22px 0 0;color:#aab0bb;font-size:15px}.final .mail a{color:#fff}

footer{background:var(--dark);color:#8f96a3;font-size:14px;padding:0 0 30px}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding-top:26px}
footer a{color:#c9ccd3}
footer .fbrand{display:flex;align-items:center;gap:12px}
footer .fbrand img{height:30px;width:auto}

/* ---------- quick tutorial ---------- */
.tut{display:block;scroll-margin-top:96px}
.js .tut{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;align-items:start}
.tut-nav{display:none}
.js .tut-nav{display:flex;flex-direction:column;gap:6px;position:sticky;top:100px}
.tut-tab{display:flex;gap:12px;align-items:center;text-align:left;background:none;border:1px solid transparent;border-radius:14px;padding:10px 12px;cursor:pointer;font:inherit;color:var(--mute);transition:background .15s,border-color .15s}
.tut-tab:hover{background:rgba(255,255,255,.7)}
.tut-tab .num{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font:600 15px var(--head);background:#fff;border:1px solid var(--line);color:var(--mute);transition:all .2s}
.tut-tab b{display:block;color:var(--fg);font:600 16px/1.3 var(--head)}
.tut-tab small{display:block;font-size:13px;line-height:1.35}
.tut-tab[aria-selected=true]{background:#fff;border-color:var(--line);box-shadow:0 8px 24px rgba(75,42,140,.10)}
.tut-tab[aria-selected=true] .num{background:linear-gradient(135deg,var(--acc),var(--violet));border-color:transparent;color:#fff}
.tut-tab.done .num{background:var(--acc-soft);border-color:transparent;color:var(--acc)}
.tut-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;margin-bottom:18px;box-shadow:0 12px 34px rgba(75,42,140,.07)}
.js .tut-panel{margin:0}
.js .tut-panel:not(.on){display:none}
.js .tut-panel.on{animation:tutIn .35s ease}
@keyframes tutIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.tut-prog{height:4px;background:var(--soft);border-radius:4px;margin-bottom:18px;overflow:hidden}
.tut-prog i{display:block;height:100%;background:linear-gradient(90deg,var(--acc),var(--lav));border-radius:4px}
.kicker{font-size:13px;font-weight:600;color:var(--acc);letter-spacing:.08em;text-transform:uppercase}
.tut-panel h3{font-size:23px;margin:4px 0 6px}
.tut-panel>p{margin:0 0 18px;color:var(--mute);font-size:15.5px}
.clicks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px;counter-reset:c}
.clicks li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;line-height:1.55}
.clicks li:before{counter-increment:c;content:counter(c);flex:none;width:24px;height:24px;border-radius:50%;background:var(--call);color:#fff;font-weight:700;font-size:12.5px;display:grid;place-items:center;margin-top:1px}
.ui{font:600 13.5px/1.2 "Segoe UI",system-ui,sans-serif;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:2px 7px;color:var(--fg);white-space:nowrap}
.tip{margin:16px 0 0;padding:11px 15px;border-radius:12px;background:var(--acc-soft);color:#4a1757;font-size:14.5px}
.tut-foot{display:none}
.js .tut-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
.tut-foot span{color:var(--mute);font-size:14px}
.tbtn{font:600 14.5px var(--head);border-radius:999px;padding:9px 18px;cursor:pointer;border:1.5px solid var(--acc);background:#fff;color:var(--acc)}
.tbtn.pri{background:linear-gradient(135deg,var(--acc),var(--violet));border-color:transparent;color:#fff}
.tbtn:disabled{opacity:.35;cursor:default}

/* mock app windows (drawn in CSS, labels = the real uptoS3 UI) */
.win{border:1px solid #d6d0e0;border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 22px 44px -18px rgba(29,23,51,.35);font:13px/1.35 "Segoe UI",system-ui,sans-serif;color:#1f2937;max-width:640px;margin:0 auto}
.win-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#f4f3f7;border-bottom:1px solid #e6e1ee;font-size:12.5px;color:#374151}
.win-bar:before{content:"";width:14px;height:14px;border-radius:4px;background:linear-gradient(135deg,var(--acc),var(--violet));flex:none}
.win-bar em{margin-left:auto;font-style:normal;letter-spacing:12px;color:#9ca3af;font-size:11px}
.win-body{padding:16px}
.wrow{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;margin-bottom:10px}
.wrow:last-child{margin-bottom:0}
.wlbl{color:#4b5563;font-size:12.5px;width:150px;flex:none}
.wfield{border:1px solid #c9c3d6;border-radius:4px;padding:5px 9px;background:#fff;min-height:29px;flex:1 1 140px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wfield.dd{position:relative;padding-right:24px}
.wfield.dd:after{content:"\25BE";position:absolute;right:8px;top:5px;color:#6b7280}
.mono{font-family:Consolas,"Cascadia Mono",monospace;font-size:12.5px}
.wbtn{display:inline-block;border:1px solid #c9c3d6;border-radius:4px;padding:5px 12px;background:#fbfafd;font-size:12.5px;white-space:nowrap;color:#1f2937}
.wbtn.pri{background:var(--violet);border-color:var(--violet);color:#fff}
.wgroup{font-size:11px;font-weight:700;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;width:100%}
.wtabs{display:flex;flex-wrap:wrap;gap:2px;border-bottom:1px solid #ddd7e6;margin-bottom:12px}
.wtab{padding:6px 10px;font-size:12.5px;color:#6b7280;border:1px solid transparent;border-bottom:0;border-radius:5px 5px 0 0}
.wtab.on{color:#111827;background:#fff;border-color:#ddd7e6;margin-bottom:-1px;font-weight:600}
.wlist{border:1px solid #ddd7e6;border-radius:4px;overflow:hidden;flex:1 1 220px;min-width:0}
.wlist div{display:flex;gap:8px;padding:6px 9px;border-bottom:1px solid #f0edf5;align-items:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wlist div:last-child{border-bottom:0}
.wlist .sel{background:#efe8f8}
.wcol{display:flex;flex-direction:column;gap:6px}
.wcheck,.wradio,.whint,.wtable span.hl{display:inline-block;padding:2px 6px;border-radius:4px;white-space:normal;max-width:100%}
.wtable span.hl{padding:1px 6px;white-space:nowrap}
.wcheck:before{content:"\2611";color:var(--violet);margin-right:6px;font-size:14px}
.wradio:before{content:"\25CB";margin-right:6px;color:#6b7280}
.wradio.on:before{content:"\25C9";color:var(--violet)}
.wtable{width:100%;border-collapse:collapse;font-size:12.5px;border:1px solid #ddd7e6}
.wtable th{background:#f4f3f7;font-weight:600;color:#4b5563;text-align:left;padding:6px 8px;border-bottom:1px solid #ddd7e6}
.wtable td{padding:6px 8px;border-bottom:1px solid #f0edf5;white-space:nowrap}
.wtable tr.sel td{background:#efe8f8}
.ok{color:#0f7a4a;font-weight:600}.run{color:var(--violet);font-weight:600}
.fi:before{content:"";display:inline-block;width:12px;height:10px;margin-right:6px;border-radius:2px;background:#f2c14e;vertical-align:-1px}
.fl:before{content:"";display:inline-block;width:10px;height:12px;margin-right:7px;border-radius:2px;background:#cbd5e1;vertical-align:-2px}
.whint{color:#6b7280;font-size:12px;font-style:italic}
.tray{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:14px;background:var(--dark);color:#e5e7eb;border-radius:12px;padding:10px 14px;font-size:13px}
.tray b{font-weight:600;color:#fff;margin-right:auto}
.tray span{display:flex;align-items:center;gap:7px}
.tray i{width:16px;height:16px;border-radius:5px;display:inline-block}
.path{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 10px;margin:0 0 16px;font:13px "Segoe UI",system-ui,sans-serif;color:var(--mute)}
.path .wbtn{background:#fff}
/* the highlight ring + numbered callout matching the steps list */
.hl{position:relative;box-shadow:0 0 0 2px var(--call);animation:ring 2.2s ease-in-out infinite;overflow:visible}
.hl[data-n]:before{content:attr(data-n);position:absolute;top:-10px;right:-10px;width:20px;height:20px;border-radius:50%;background:var(--call);color:#fff;font:800 11px/20px system-ui,sans-serif;text-align:center;z-index:2;box-shadow:0 0 0 2px #fff;letter-spacing:0}
@keyframes ring{0%,100%{box-shadow:0 0 0 2px #de4e26,0 0 0 2px rgba(222,78,38,.45)}50%{box-shadow:0 0 0 2px #de4e26,0 0 0 8px rgba(222,78,38,0)}}
@media (prefers-reduced-motion:reduce){.hl,.js .tut-panel.on{animation:none}.btn{transition:none}}

/* ---------- responsive ---------- */
@media (max-width:980px){.nav{display:none}}
@media (max-width:820px){
  .js .tut{grid-template-columns:minmax(0,1fr);gap:14px}
  .js .tut-nav{flex-direction:row;justify-content:center;gap:4px;position:static}
  .tut-tab{padding:4px}.tut-tab .t{display:none}
  .tut-tab[aria-selected=true]{box-shadow:none;background:none;border-color:transparent}
  .tut-tab[aria-selected=true] .num{transform:scale(1.15)}
}
@media (max-width:560px){
  .top .wrap{height:68px;gap:12px}
  .brand svg{width:38px;height:38px}.brand-name{font-size:25px}
  .brand-by{display:none}
  .hero{padding:52px 0 56px}
  .lockup svg{width:56px;height:56px}
  section{padding:56px 0}
  .btn{width:100%}
  .compare{font-size:14px}.compare th,.compare td{padding:10px 8px}
  .tut-panel{padding:18px 14px}
  .win-body{padding:12px}
  .wlbl{width:100%}
  .wtable .opt{display:none}
  .wtab{padding:5px 7px;font-size:12px}
  footer .wrap{justify-content:center;text-align:center}
}