:root{
  --ink:#0B1220;
  --ink-2:#131C2E;
  --paper:#F7F8F5;
  --card:#FFFFFF;
  --text:#0B1220;
  --muted:#5B6576;
  --line:#E3E6EA;
  --green:#12B76A;
  --green-d:#0A8F52;
  --green-soft:#E6F8EF;
  --yellow:#FFC53D;
  --radius:18px;
  --max:1120px;
  --shadow:0 10px 30px rgba(11,18,32,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--paper);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Sora","Inter",sans-serif;line-height:1.12;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5.4vw,3.9rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{color:var(--muted)}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--green-d);background:var(--green-soft);padding:6px 12px;border-radius:99px}
.dark .tag{background:rgba(18,183,106,.15);color:#5BE3A0}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:1rem;padding:15px 26px;border-radius:12px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 24px rgba(18,183,106,.35)}
.btn-primary:hover{background:var(--green-d)}
.btn-ghost{background:transparent;color:inherit;border:1.5px solid currentColor;opacity:.9}
.btn-dark{background:var(--ink);color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* header */
header.top{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);color:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Sora",sans-serif;font-weight:800;font-size:1.3rem;text-decoration:none;color:#fff}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--green);display:grid;place-items:center}
.logo-mark svg{width:20px;height:20px}
nav.menu{display:flex;gap:28px;align-items:center}
nav.menu a{text-decoration:none;font-size:.95rem;opacity:.8}
nav.menu a:hover{opacity:1}
nav.menu .btn{padding:10px 18px;font-size:.9rem;opacity:1}
@media(max-width:820px){nav.menu a:not(.btn){display:none}}

/* seções */
section{padding:88px 0}
.dark{background:var(--ink);color:#fff}
.dark p{color:#A9B3C4}
.center{text-align:center}
.lead{font-size:1.15rem;max-width:640px}
.center .lead{margin:0 auto}
.head{margin-bottom:48px}
.head h2{margin:14px 0 12px}

/* hero */
.hero{padding:80px 0 96px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-200px;top:-120px;width:620px;height:620px;background:radial-gradient(circle,rgba(18,183,106,.28),transparent 65%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{margin:18px 0 20px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero .lead{color:#C4CCD8}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-proof{display:flex;gap:28px;margin-top:40px;flex-wrap:wrap}
.hero-proof div strong{display:block;font-family:"Sora";font-size:1.6rem;color:#fff}
.hero-proof div span{font-size:.85rem;color:#8C97AA}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.phone{display:none}}

/* mock de celular */
.phone{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:28px;padding:18px;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.phone-top{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--green);display:grid;place-items:center;font-weight:800;font-size:.9rem}
.phone-top small{display:block;color:#5BE3A0;font-size:.75rem}
.chat{display:flex;flex-direction:column;gap:10px;padding:16px 0 4px}
.bubble{max-width:82%;padding:10px 14px;border-radius:14px;font-size:.9rem;line-height:1.4}
.bubble.in{background:#1E2A40;color:#E4E9F1;border-bottom-left-radius:4px}
.bubble.out{background:var(--green);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.bubble.tagline{align-self:center;background:transparent;color:#8C97AA;font-size:.75rem;padding:2px}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.dark .card{background:var(--ink-2);border-color:rgba(255,255,255,.08)}
.card h3{margin:14px 0 8px}
.icon{width:46px;height:46px;border-radius:12px;background:var(--green-soft);color:var(--green-d);display:grid;place-items:center}
.dark .icon{background:rgba(18,183,106,.15);color:#5BE3A0}
.icon svg{width:24px;height:24px}
.pain{border-left:4px solid #F04438}
.pain h3{margin-top:0}

/* passos */
.steps{counter-reset:s}
.step{position:relative;padding-left:64px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;display:grid;place-items:center;font-family:"Sora"}
.step h3{margin-bottom:6px}

/* bloco coex */
.coex-box{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;background:linear-gradient(135deg,#0B1220,#12305A);color:#fff;border-radius:28px;padding:56px}
.coex-box p{color:#C4CCD8}
.coex-box ul{list-style:none;display:grid;gap:12px;margin:22px 0 30px}
.coex-box li{display:flex;gap:10px;align-items:flex-start;color:#E4E9F1}
.coex-box li::before{content:"✓";color:var(--green);font-weight:800}
.coex-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:30px}
.coex-stat strong{font-family:"Sora";font-size:2.6rem;color:var(--green);display:block}
@media(max-width:900px){.coex-box{grid-template-columns:1fr;padding:32px 24px}}

/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:12px}
summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::after{content:"+";color:var(--green);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"−"}
details p{margin-top:12px}

/* formulário */
.form-sec{background:var(--ink);color:#fff}
.form-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
@media(max-width:900px){.form-grid{grid-template-columns:1fr}}
.form-card{background:#fff;color:var(--text);border-radius:24px;padding:32px;box-shadow:var(--shadow)}
.progress{height:6px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:24px}
.progress span{display:block;height:100%;width:0;background:var(--green);transition:width .3s}
.fstep{display:none}
.fstep.on{display:block;animation:fade .3s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.fstep h3{font-size:1.3rem;margin-bottom:6px}
.fstep > p{margin-bottom:20px;font-size:.95rem}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.field input,.field select{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:#fff;color:var(--text)}
.field input:focus,.field select:focus{outline:none;border-color:var(--green)}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;font-weight:500;transition:border .15s,background .15s}
.opt:hover{border-color:#B8C0CC}
.opt input{accent-color:var(--green);width:18px;height:18px}
.opt:has(input:checked){border-color:var(--green);background:var(--green-soft)}
.q{margin-bottom:22px}
.q > span{display:block;font-weight:700;margin-bottom:10px}
.f-nav{display:flex;justify-content:space-between;gap:12px;margin-top:8px}
.f-nav .btn{flex:1}
.err{color:#D92D20;font-size:.85rem;min-height:1.2em;margin-top:6px}
.done{text-align:center;padding:20px 0}
.done .big{width:72px;height:72px;border-radius:50%;background:var(--green-soft);color:var(--green-d);display:grid;place-items:center;margin:0 auto 18px;font-size:2rem}
.small{font-size:.8rem;color:var(--muted);margin-top:14px}
.hp{position:absolute;left:-9999px}

/* calculadora */
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
@media(max-width:900px){.calc{grid-template-columns:1fr}}
.calc-in{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}
.row{display:grid;grid-template-columns:1fr 150px;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.row:last-of-type{border-bottom:0}
.row strong{display:block}
.row small{color:var(--muted);font-size:.83rem}
.row input{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-weight:700;text-align:right}
.row input:focus{outline:none;border-color:var(--green)}
@media(max-width:520px){.row{grid-template-columns:1fr}}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.presets button{border:1.5px solid var(--line);background:#fff;padding:8px 14px;border-radius:99px;font:inherit;font-size:.85rem;font-weight:600;cursor:pointer}
.presets button:hover,.presets button.on{border-color:var(--green);background:var(--green-soft)}
.calc-out{background:var(--ink);color:#fff;border-radius:24px;padding:30px;position:sticky;top:90px;align-self:start}
.calc-out p{color:#A9B3C4}
.total{font-family:"Sora";font-size:clamp(2.2rem,5vw,3rem);font-weight:800;color:var(--green);margin:6px 0 4px}
.lines{margin:22px 0;display:grid;gap:10px}
.lines div{display:flex;justify-content:space-between;font-size:.92rem;color:#C4CCD8;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.12)}
.lines div b{color:#fff}
.note{font-size:.78rem;color:#8C97AA;margin-top:14px}

/* footer */
footer{background:#070C16;color:#8C97AA;padding:48px 0;font-size:.9rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer a{text-decoration:none}

/* whatsapp flutuante opcional */
.float-cta{position:fixed;right:18px;bottom:18px;z-index:60;display:none}
@media(max-width:820px){.float-cta{display:block}}