/* Conceito: cabine de avião à noite. Fundo carvão quente, luz âmbar dos instrumentos,
   leituras em fonte mono como num painel. Tema único escuro, escolhido de propósito. */
:root{
  --bg:#121010;
  --bg-2:#1A1715;
  --panel:#211D1A;
  --line:#3A332D;
  --ink:#EFE8DF;
  --muted:#B5AA9C;
  --amber:#F2A33A;
  --amber-deep:#C97A12;
  --sky:#86D3D6;
  --f-display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --gutter:clamp(16px,4vw,48px);
  --max:1180px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--amber)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
main>section{padding-inline:var(--gutter)}
main>section>*{max-width:var(--max);margin-inline:auto}

/* NAV */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:24px;padding:14px var(--gutter);padding-top:calc(14px + env(safe-area-inset-top,0px));background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-family:var(--f-mono);font-weight:500;font-size:15px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px;letter-spacing:.02em}
.brand b{color:var(--amber);font-weight:600}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 12px var(--amber)}
.nav nav{display:flex;gap:22px;margin-left:auto}
.nav nav a{color:var(--muted);text-decoration:none;font-size:14.5px}
.nav nav a:hover{color:var(--ink)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--amber);color:#1B1206;font-weight:700;text-decoration:none;padding:15px 26px;border-radius:999px;font-size:16px;border:1px solid var(--amber);transition:transform .15s ease,background .15s ease;text-align:center}
.btn:hover{background:#FFB650;transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px;white-space:nowrap}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--panel);border-color:var(--muted)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.cta-row.center{justify-content:center}

/* SHARED TYPE */
.status,.kicker{font-family:var(--f-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);display:flex;align-items:center;gap:10px;margin-top:0;margin-bottom:18px}
.led{width:8px;height:8px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 4px color-mix(in srgb,var(--sky) 20%,transparent);animation:blink 2.4s ease-in-out infinite}
@keyframes blink{50%{opacity:.35}}
.section-title{font-family:var(--f-display);font-weight:800;font-size:clamp(38px,5.4vw,64px);line-height:.98;letter-spacing:.005em;text-transform:uppercase;margin-top:0;margin-bottom:14px;text-wrap:balance}
.section-sub{color:var(--muted);margin-top:0;margin-bottom:36px;font-size:18px}

/* HERO */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center;padding-block:56px 64px;max-width:calc(var(--max) + 2*var(--gutter));margin-inline:auto}
.hero>*{max-width:none;margin:0}
.hero h1{font-family:var(--f-display);font-weight:900;font-size:clamp(46px,5.6vw,78px);line-height:.92;text-transform:uppercase;margin:0 0 24px;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--amber)}
.lead{font-size:19.5px;color:var(--muted);max-width:56ch;margin:0}
.micro{font-size:14px;color:var(--muted);margin:14px 0 0}
.hero-photo{position:relative;margin:0}
.hero-photo>img{border-radius:18px;width:100%;max-width:420px;margin-left:auto;mask-image:linear-gradient(180deg,#000 72%,transparent)}
.panel{position:absolute;left:-28px;bottom:28px;width:min(290px,80%);background:color-mix(in srgb,var(--panel) 92%,transparent);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-family:var(--f-mono);font-size:12.5px;backdrop-filter:blur(8px);box-shadow:0 20px 50px rgba(0,0,0,.5)}
.panel-head{display:flex;justify-content:space-between;color:var(--muted);letter-spacing:.12em;margin-bottom:10px}
.panel-head .on{color:var(--sky)}
.panel ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.panel li{display:flex;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:7px}
.panel li span{color:var(--ink)}
.panel b{font-weight:600;font-variant-numeric:tabular-nums}
.panel .ok{color:var(--sky)}
.panel .time{color:var(--amber)}

/* PAINS */
.pains{padding-block:72px;background:var(--bg-2);border-block:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pain{font:inherit;font-size:16.5px;text-align:left;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px 18px 52px;cursor:pointer;position:relative;display:flex;align-items:flex-start;line-height:1.45;transition:border-color .15s,background .15s}
.pain::before{content:"";position:absolute;left:18px;top:19px;width:18px;height:18px;border-radius:5px;border:1.5px solid var(--muted)}
.pain:hover{border-color:var(--muted)}
.pain[aria-pressed="true"]{border-color:var(--amber);background:color-mix(in srgb,var(--amber) 10%,var(--panel))}
.pain[aria-pressed="true"]::before{background:var(--amber);border-color:var(--amber);box-shadow:inset 0 0 0 3px var(--panel)}
.pain-result{margin-top:24px;font-size:19px;padding:18px 22px;border-left:3px solid var(--amber);background:var(--panel);border-radius:0 10px 10px 0}
.pain-result a{font-weight:600}

/* COMPARE */
.compare-wrap{padding-block:88px}
.compare-copy{margin-bottom:32px}
.compare-copy p:last-child{max-width:62ch}
.compare-copy p:last-child{color:var(--muted);margin:0}
.compare{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:1600/893;border:1px solid var(--line);user-select:none;touch-action:pan-y}
.compare>img,.compare-before img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare-before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.handle{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;background:var(--amber);transform:translateX(-1px);pointer-events:none}
.handle span{position:absolute;top:50%;left:50%;width:46px;height:46px;transform:translate(-50%,-50%);border-radius:50%;background:var(--amber);box-shadow:0 0 0 6px color-mix(in srgb,var(--amber) 25%,transparent)}
.handle span::before{content:"‹ ›";position:absolute;inset:0;display:grid;place-items:center;color:#1B1206;font-weight:800;font-size:20px;letter-spacing:4px}
.compare input:focus-visible~.handle span{outline:2px solid var(--ink);outline-offset:4px}
.tag{position:absolute;top:16px;font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:rgba(18,16,16,.78);pointer-events:none}
.tag-l{left:16px;color:var(--muted)}
.tag-r{right:16px;color:var(--sky)}

/* CALCULATOR */
.calc{padding-block:88px;background:var(--bg-2);border-block:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:28px 56px;max-width:none}
.calc>*{max-width:none;margin:0}
.calc{padding-inline:max(var(--gutter),calc((100% - var(--max))/2))}
.calc-intro{grid-column:1/-1}
.calc-intro p:last-child{color:var(--muted);margin:0}
.calc-grid{display:grid;gap:26px;align-content:start}
.field{display:grid;grid-template-columns:1fr auto;gap:10px 16px;align-items:center}
.field label{font-weight:500}
.field output{font-family:var(--f-mono);color:var(--amber);font-variant-numeric:tabular-nums;font-size:15px}
.field input{grid-column:1/-1;width:100%;accent-color:var(--amber);height:28px}
.readout{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;display:grid;gap:18px;align-content:start}
.gauge{display:grid;gap:2px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.gauge-label{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.gauge-value{font-family:var(--f-display);font-weight:900;font-size:clamp(56px,7vw,84px);line-height:1;color:var(--sky);font-variant-numeric:tabular-nums}
.gauge.accent .gauge-value{color:var(--amber)}
.gauge-note{color:var(--muted);font-size:15px}
.assume{font-size:13.5px;color:var(--muted);margin:0}

/* AUTOMATIONS */
.autos{padding-block:88px}
.auto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.auto{background:var(--bg);padding:28px 26px}
.auto-k{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--sky)}
.auto h3{font-size:21px;line-height:1.25;margin:10px 0 8px}
.auto p{color:var(--muted);margin:0;font-size:16px}

/* STEPS */
.steps{padding-block:24px 88px}
.step-list{list-style:none;margin:28px auto 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s}
.step-list li{display:grid;gap:14px;align-content:start;padding-top:22px;border-top:2px solid var(--line);position:relative}
.step-list li::before{content:"";position:absolute;top:-2px;left:0;width:48px;height:2px;background:var(--amber)}
.step-n{font-family:var(--f-display);font-weight:900;font-size:64px;line-height:.8;color:var(--amber)}
.step-list h3{font-size:22px;margin:0 0 6px}
.step-list p{color:var(--muted);margin:0}

/* FREEDOM */
.freedom{position:relative;padding:0!important;min-height:520px;display:grid;align-items:end;overflow:hidden}
.freedom>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.freedom::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,16,16,.92) 0%,rgba(18,16,16,.6) 45%,rgba(18,16,16,0) 75%)}
.freedom-copy{position:relative;z-index:1;max-width:var(--max);width:100%;margin:0 auto;padding:80px var(--gutter)}
.freedom h2{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(36px,5vw,60px);line-height:1;margin:0 0 12px;max-width:16ch;text-wrap:balance}
.freedom p{font-size:19px;color:var(--ink);margin:0;max-width:40ch}

/* ABOUT */
.about{padding-block:96px;display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:center;max-width:calc(var(--max) + 2*var(--gutter));margin-inline:auto}
.about>*{max-width:none;margin:0}
.about>img{border-radius:16px;mask-image:linear-gradient(180deg,#000 75%,transparent)}
.about p{color:var(--muted);max-width:62ch}
.link-ig{display:inline-flex;align-items:center;gap:12px;margin-top:8px;color:var(--ink);text-decoration:none;font-weight:600;padding:6px 18px 6px 6px;border:1px solid var(--line);border-radius:999px}
.link-ig img{border-radius:50%}
.link-ig:hover{border-color:var(--amber)}

/* FAQ */
.faq{padding-block:24px 88px}
.faq .section-title{margin-bottom:26px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-size:19px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-family:var(--f-mono);font-size:26px;color:var(--amber);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 22px;color:var(--muted);max-width:66ch}

/* FINAL */
.final{padding-block:96px;text-align:center;background:radial-gradient(ellipse at 50% 120%,color-mix(in srgb,var(--amber) 22%,transparent),transparent 60%),var(--bg-2);border-top:1px solid var(--line)}
.final .status{justify-content:center}
.final h2{font-family:var(--f-display);font-weight:900;text-transform:uppercase;font-size:clamp(44px,7vw,88px);line-height:.95;margin:0 auto 16px;max-width:14ch;text-wrap:balance}
.final>p{color:var(--muted);font-size:19px;max-width:52ch;margin-inline:auto}

.foot{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;padding:28px var(--gutter);padding-bottom:calc(28px + env(safe-area-inset-bottom,0px));font-family:var(--f-mono);font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
.foot b{color:var(--amber);font-weight:600}
.foot a{color:var(--muted)}

.float-cta{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--amber);color:#1B1206;box-shadow:0 10px 30px rgba(0,0,0,.5);transition:transform .15s}
.float-cta:hover{transform:scale(1.06)}

/* REVEAL (visível por padrão; só anima se JS ativo e movimento permitido) */
.js .reveal{transition:opacity .6s ease,transform .6s ease}
.js .reveal.pre{opacity:.001;transform:translateY(18px)}

/* RESPONSIVE */
@media (max-width:960px){
  .nav nav{display:none}
  .nav .btn-sm{margin-left:auto}
  .hero{grid-template-columns:1fr;gap:40px;padding-block:44px 48px}
  .hero-photo>img{margin:0 auto;max-width:360px}
  .panel{left:0;bottom:16px}
  .pain-grid,.auto-grid{grid-template-columns:1fr 1fr}
  .calc{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .about{grid-template-columns:1fr;gap:32px}
  .about>img{max-width:300px}
}
@media (max-width:600px){
  body{font-size:16px}
  .pain-grid,.auto-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .nav .btn-sm{width:auto;padding:8px 14px;font-size:13px}
  .nav{gap:12px}
  .brand{font-size:14px}
  .cta-row{flex-direction:column}
  .compare{aspect-ratio:4/3}
  .tag{font-size:10.5px;top:10px}
  .tag-l{left:10px}.tag-r{right:10px}
  .freedom{min-height:460px}
  .freedom::after{background:linear-gradient(0deg,rgba(18,16,16,.95) 15%,rgba(18,16,16,.35) 70%,rgba(18,16,16,.1))}
  .freedom-copy{padding-block:48px}
  .readout{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}