/* =============================================================
   Payoff Pro — Design System
   Tema: mesa de operações. Fundo tinta-navy, dados em mono,
   semântica verde = lucro / vermelho = prejuízo, acento champanhe.
   ============================================================= */
:root{
  --ink:#0A111E; --ink-2:#0E1626; --panel:#121C30; --panel-2:#0F1727;
  --line:#22314C; --line-soft:#1A2740;
  --text:#E9EEF7; --muted:#93A2BE; --faint:#62728F;
  --gain:#27D38B; --gain-deep:#0c8a58; --gain-soft:rgba(39,211,139,.13);
  --loss:#FF5C7A; --loss-deep:#b3324f; --loss-soft:rgba(255,92,122,.13);
  --gold:#E7B665; --gold-2:#c89f50; --gold-soft:rgba(231,182,101,.12);
  --radius:16px; --radius-sm:11px; --radius-xs:8px;
  --display:"Space Grotesk",system-ui,sans-serif;
  --sans:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --maxw:1180px;
  --shadow:0 18px 50px -22px rgba(0,0,0,.75);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:
    radial-gradient(1100px 600px at 78% -8%, rgba(231,182,101,.06), transparent 60%),
    radial-gradient(900px 700px at 0% 0%, rgba(39,211,139,.05), transparent 55%),
    var(--ink);
  color:var(--text); font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--gold); text-decoration:none}
a:hover{color:var(--text)}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 22px}
.mono{font-family:var(--mono); font-variant-numeric:tabular-nums}
.gain{color:var(--gain)} .loss{color:var(--loss)}

/* ---------- Ticker ---------- */
.ticker{border-bottom:1px solid var(--line-soft); background:var(--panel-2)}

/* ---------- Header ---------- */
.site-head{position:sticky; top:0; z-index:50; backdrop-filter:blur(10px);
  background:rgba(10,17,30,.82); border-bottom:1px solid var(--line-soft)}
.site-head .wrap{display:flex; align-items:center; gap:26px; height:64px}
.brand{display:flex; align-items:center; gap:11px; font-family:var(--display);
  font-weight:700; font-size:1.2rem; letter-spacing:-.02em; color:var(--text)}
.brand .mark{width:30px; height:30px; border-radius:9px; display:grid; place-items:center;
  background:linear-gradient(150deg,var(--gold),var(--gold-2)); color:#1a1407; font-weight:700;
  box-shadow:0 6px 18px -6px rgba(231,182,101,.6)}
.brand b{color:var(--gold)}
.nav{display:flex; gap:6px; margin-left:auto; align-items:center; flex-wrap:wrap}
.nav a{color:var(--muted); font-weight:500; font-size:.94rem; padding:8px 12px; border-radius:9px}
.nav a:hover{color:var(--text); background:var(--line-soft)}
.nav a.active{color:var(--gold)}
.nav-toggle{display:none; margin-left:auto; background:none; border:1px solid var(--line);
  color:var(--text); border-radius:9px; padding:8px 11px; font-size:1.1rem; cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:64px 0 30px}
.hero .eyebrow{font-family:var(--mono); font-size:.8rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--gold); margin-bottom:18px}
.hero h1{font-family:var(--display); font-weight:700; font-size:clamp(2.1rem,5vw,3.5rem);
  line-height:1.04; letter-spacing:-.03em; margin:0 0 18px; max-width:16ch}
.hero h1 em{font-style:normal; color:var(--gold)}
.hero p.lead{font-size:1.12rem; color:var(--muted); max-width:54ch; margin:0 0 26px}
.hero-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap}
.hero-stats{display:flex; gap:28px; margin-top:34px; flex-wrap:wrap}
.hero-stats .s b{font-family:var(--display); font-size:1.7rem; display:block; line-height:1}
.hero-stats .s span{font-size:.82rem; color:var(--faint)}
.hero-art{background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow)}
.hero-art .cap{display:flex; justify-content:space-between; font-family:var(--mono);
  font-size:.74rem; color:var(--faint); margin-bottom:10px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex; align-items:center; gap:9px; font-family:var(--sans); font-weight:600;
  font-size:.96rem; padding:12px 20px; border-radius:11px; cursor:pointer; border:1px solid transparent;
  transition:transform .08s ease, background .15s ease, border-color .15s}
.btn:active{transform:translateY(1px)}
.btn-gold{background:linear-gradient(150deg,var(--gold),var(--gold-2)); color:#1a1407;
  box-shadow:0 10px 26px -12px rgba(231,182,101,.7)}
.btn-gold:hover{color:#1a1407; filter:brightness(1.05)}
.btn-ghost{background:transparent; border-color:var(--line); color:var(--text)}
.btn-ghost:hover{background:var(--line-soft); color:var(--text)}
.btn-sm{padding:8px 14px; font-size:.86rem; border-radius:9px}

/* ---------- Sections ---------- */
section{padding:46px 0}
.sec-head{margin-bottom:26px}
.sec-head .kick{font-family:var(--mono); font-size:.76rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--gold); display:block; margin-bottom:8px}
.sec-head h2{font-family:var(--display); font-weight:600; font-size:clamp(1.5rem,3vw,2.05rem);
  letter-spacing:-.02em; margin:0}
.sec-head p{color:var(--muted); margin:.5rem 0 0; max-width:60ch}

/* ---------- Strategy grid ---------- */
.strat-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
.strat-card{display:block; background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line); border-radius:var(--radius-sm); padding:18px; transition:.15s;
  position:relative; overflow:hidden}
.strat-card:hover{border-color:var(--gold-2); transform:translateY(-3px)}
.strat-card .emo{font-size:1.5rem}
.strat-card h3{font-family:var(--display); font-weight:600; font-size:1.08rem; margin:10px 0 5px; color:var(--text)}
.strat-card p{font-size:.86rem; color:var(--muted); margin:0; line-height:1.45}
.strat-card .tag{position:absolute; top:14px; right:14px; font-family:var(--mono); font-size:.66rem;
  letter-spacing:.08em; text-transform:uppercase; padding:3px 8px; border-radius:20px; border:1px solid var(--line)}
.tag.debit{color:var(--loss)} .tag.credit{color:var(--gain)} .tag.vol{color:var(--gold)}

/* ---------- Workspace (calculadora) ---------- */
.workspace{display:grid; grid-template-columns:340px 1fr; gap:22px; align-items:start}
.panel{background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow)}
.ticket{padding:20px}
.ticket h3{font-family:var(--display); font-size:1.15rem; margin:0 0 4px; display:flex; gap:9px; align-items:center}
.ticket .sub{font-size:.85rem; color:var(--muted); margin:0 0 16px}
.field{margin-bottom:13px}
.field label{display:block; font-size:.8rem; color:var(--muted); margin-bottom:5px}
.field .ip{display:flex; align-items:center; background:var(--ink-2); border:1px solid var(--line);
  border-radius:var(--radius-xs); padding:0 12px; transition:border-color .15s}
.field .ip:focus-within{border-color:var(--gold)}
.field .ip .pre{font-family:var(--mono); font-size:.8rem; color:var(--faint); margin-right:8px}
.field input{flex:1; background:none; border:0; outline:0; color:var(--text); font-family:var(--mono);
  font-size:1rem; padding:11px 0; font-variant-numeric:tabular-nums; width:100%}
.field.strike .ip{border-left:2px solid var(--gold)}
.ticket-actions{display:flex; gap:10px; margin-top:6px}
.ticket-actions .btn{flex:1; justify-content:center}
.preset-row{display:flex; justify-content:space-between; align-items:center; margin:2px 0 14px}
.preset-row a{font-size:.8rem; cursor:pointer}

/* result column */
.result-col{display:flex; flex-direction:column; gap:18px}
.metrics{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
.metric{background:linear-gradient(180deg,var(--panel),var(--panel-2)); border:1px solid var(--line);
  border-radius:var(--radius-sm); padding:14px 15px}
.metric .lbl{font-size:.74rem; color:var(--faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:7px}
.metric .val{font-family:var(--display); font-weight:600; font-size:1.32rem; line-height:1; font-variant-numeric:tabular-nums}
.metric.full{grid-column:span 2}
.chart-panel{padding:16px 16px 10px}
.chart-head{display:flex; justify-content:space-between; align-items:baseline; margin:2px 4px 8px}
.chart-head .t{font-family:var(--display); font-weight:600}
.chart-head .legend{font-size:.74rem; color:var(--faint); display:flex; gap:14px; font-family:var(--mono)}
.chart-head .legend i{font-style:normal} .dotg{color:var(--gain)} .dotr{color:var(--loss)}
.chart-box{position:relative; height:340px}
.alert{background:var(--loss-soft); border:1px solid var(--loss); color:#ffd5de;
  border-radius:var(--radius-xs); padding:11px 13px; font-size:.88rem}
.note{font-size:.8rem; color:var(--faint); margin:10px 4px 0}

/* ---------- Educational / prose ---------- */
.prose{max-width:760px}
.prose h2{font-family:var(--display); font-weight:600; font-size:1.5rem; margin:38px 0 12px; letter-spacing:-.01em}
.prose h3{font-family:var(--display); font-weight:600; font-size:1.16rem; margin:26px 0 8px}
.prose p,.prose li{color:#cfd8e8} .prose strong{color:var(--text)}
.prose ul{padding-left:20px} .prose li{margin:6px 0}
.kv{display:grid; grid-template-columns:1fr; gap:0; border:1px solid var(--line); border-radius:var(--radius-sm); overflow:hidden; margin:14px 0}
.kv .row{display:flex; justify-content:space-between; gap:16px; padding:11px 15px; border-bottom:1px solid var(--line-soft)}
.kv .row:last-child{border-bottom:0} .kv .row span:first-child{color:var(--muted)}
.kv .row span:last-child{font-family:var(--mono)}
.faq details{border:1px solid var(--line); border-radius:var(--radius-sm); padding:4px 16px; margin:10px 0; background:var(--panel-2)}
.faq summary{cursor:pointer; padding:12px 0; font-weight:600; font-family:var(--display)}
.faq details[open] summary{color:var(--gold)}
.faq p{margin:0 0 14px}
.related{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}
.related a{border:1px solid var(--line); border-radius:20px; padding:7px 14px; font-size:.86rem; color:var(--text)}
.related a:hover{border-color:var(--gold-2)}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line-soft); margin-top:40px; padding:36px 0 50px; color:var(--muted)}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:30px}
.site-foot h4{font-family:var(--display); color:var(--text); font-size:.95rem; margin:0 0 12px}
.site-foot a{display:block; color:var(--muted); font-size:.9rem; padding:3px 0}
.site-foot a:hover{color:var(--gold)}
.disclaimer{font-size:.78rem; color:var(--faint); border-top:1px solid var(--line-soft);
  margin-top:26px; padding-top:18px; line-height:1.5}

/* ---------- Misc ---------- */
.breadcrumb{font-size:.82rem; color:var(--faint); padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.pill{display:inline-flex; gap:7px; align-items:center; font-family:var(--mono); font-size:.74rem;
  border:1px solid var(--line); border-radius:20px; padding:4px 11px; color:var(--muted)}
.toast{position:fixed; bottom:22px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--panel); border:1px solid var(--gold-2); color:var(--text); padding:11px 18px;
  border-radius:11px; font-size:.9rem; opacity:0; transition:.25s; z-index:90; box-shadow:var(--shadow)}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0)}

/* ---------- Ícones de payoff (silhueta da estratégia) ---------- */
.ico{display:inline-flex; align-items:center; justify-content:center; color:var(--gold)}
.ico svg{display:block}
.strat-card .ico{width:38px; height:38px; border:1px solid var(--line); border-radius:10px;
  background:var(--ink-2); color:var(--gold)}
.strat-card .ico svg{width:24px; height:24px}
.ticket h3 .ico{width:30px;height:30px;color:var(--gold)} .ticket h3 .ico svg{width:24px;height:24px}
.pill .ico{width:18px;height:18px;color:var(--gold)} .pill .ico svg{width:16px;height:16px}

/* ---------- Seletor de idioma ---------- */
.lang{display:inline-flex; gap:2px; margin-left:6px; border:1px solid var(--line); border-radius:9px; overflow:hidden}
.lang a{padding:7px 10px; font-size:.82rem; font-family:var(--mono); color:var(--muted); border-radius:0}
.lang a:hover{background:var(--line-soft); color:var(--text)}
.lang a.on{background:var(--gold); color:#1a1407; font-weight:600}

/* ---------- Formulário de contato ---------- */
.cform{max-width:560px}
.cform .field input,.cform .field textarea{width:100%; background:var(--ink-2); border:1px solid var(--line);
  border-radius:var(--radius-xs); color:var(--text); font-family:var(--sans); font-size:.98rem;
  padding:12px 13px; outline:0; transition:border-color .15s}
.cform .field input:focus,.cform .field textarea:focus{border-color:var(--gold)}
.cform .field textarea{resize:vertical; min-height:130px; line-height:1.5}
.cform .btn{margin-top:6px}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr; gap:26px}
  .workspace{grid-template-columns:1fr}
  .strat-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav{position:absolute; top:64px; left:0; right:0; flex-direction:column; align-items:stretch;
    background:var(--panel); border-bottom:1px solid var(--line); padding:10px; gap:2px; display:none}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .strat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding:40px 0 10px}
  .chart-box{height:300px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important; transition:none!important; scroll-behavior:auto}}