/* Fracta — landing page
   Paleta derivada da marca: teal #5cb3c7 / profundo #062c35 */

:root{
  --teal-50:#eef8fb;
  --teal-100:#d0edf5;
  --teal-200:#a5d9ea;
  --teal-400:#5cb3c7;
  --teal-600:#3d90a6;
  --teal-800:#1e5c6e;
  --ink:#062c35;
  --ink-soft:#0d3f4b;
  --text:#25353a;
  --muted:#5b6f76;
  --line:#dfe8eb;
  --bg:#ffffff;
  --bg-alt:#f6fafb;
  --radius:16px;
  --wrap:1140px;
  --shadow-sm:0 1px 2px rgba(6,44,53,.06), 0 4px 16px rgba(6,44,53,.05);
  --shadow-md:0 8px 30px rgba(6,44,53,.10);
  --font-head:"Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --font-body:"Inter", "Segoe UI", system-ui, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--teal-800); text-decoration:none}
h1,h2,h3{font-family:var(--font-head); color:var(--ink); margin:0 0 .5em; line-height:1.18; letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem); font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.35rem); font-weight:700}
h3{font-size:1.13rem; font-weight:700; letter-spacing:-.01em}
p{margin:0 0 1rem}

.wrap{width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px}
.wrap.narrow{max-width:820px}

.skip{position:absolute; left:-9999px; top:0; background:var(--ink); color:#fff; padding:10px 16px; z-index:100}
.skip:focus{left:8px; top:8px}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family:var(--font-head); font-weight:600; font-size:.98rem;
  padding:.85rem 1.6rem; border-radius:999px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink); color:#fff; box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--ink-soft); box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent; color:var(--ink); border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal-400); background:var(--teal-50)}
.btn-sm{padding:.62rem 1.2rem; font-size:.92rem}
.btn-block{width:100%}

/* ---------- Navbar ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav.scrolled{border-bottom-color:var(--line); box-shadow:0 2px 12px rgba(6,44,53,.05)}
.nav-inner{display:flex; align-items:center; gap:32px; height:76px}
.brand img{height:46px; width:auto}
.nav-links{display:flex; gap:28px; margin-left:auto}
.nav-links a{
  font-size:.95rem; font-weight:500; color:var(--muted); position:relative; padding:4px 0;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--teal-400); transition:right .25s ease;
}
.nav-links a:hover::after{right:0}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:0; padding:8px; cursor:pointer}
.nav-toggle span{display:block; width:24px; height:2px; background:var(--ink); border-radius:2px; transition:transform .2s ease, opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-mobile{display:none; flex-direction:column; gap:4px; padding:8px 24px 24px; border-bottom:1px solid var(--line); background:#fff}
.menu-mobile a{padding:12px 0; font-weight:600; color:var(--ink); border-bottom:1px solid var(--line)}
.menu-mobile a.btn{margin-top:14px; border-bottom:0; color:#fff}

/* ---------- Hero ---------- */
.hero{
  padding:clamp(56px,8vw,104px) 0 clamp(56px,7vw,96px);
  background:
    radial-gradient(900px 460px at 78% -8%, var(--teal-100) 0%, rgba(255,255,255,0) 62%),
    linear-gradient(180deg,#fbfeff 0%, #ffffff 100%);
}
.hero-grid{display:grid; grid-template-columns:1.08fr .92fr; gap:56px; align-items:center}
.eyebrow{
  font-family:var(--font-head); font-weight:700; font-size:.8rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--teal-600); margin:0 0 1rem;
}
.eyebrow.light{color:var(--teal-200)}
.hero h1{margin-bottom:1.1rem}
.lead{font-size:1.13rem; color:var(--muted); max-width:56ch}
.hero-cta{display:flex; flex-wrap:wrap; gap:14px; margin:2rem 0 1.6rem}
.hero-marks{list-style:none; display:flex; flex-wrap:wrap; gap:10px 22px; padding:0; margin:0}
.hero-marks li{
  font-size:.9rem; color:var(--muted); display:flex; align-items:center; gap:8px;
}
.hero-marks li::before{
  content:""; width:16px; height:16px; flex:none; border-radius:50%;
  background:var(--teal-100);
  box-shadow:inset 0 0 0 1.5px var(--teal-400);
}

/* Painel ilustrativo */
.panel{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow-md); overflow:hidden;
}
.panel-head{
  display:flex; align-items:center; gap:7px; padding:12px 16px;
  background:var(--bg-alt); border-bottom:1px solid var(--line);
}
.dot{width:9px; height:9px; border-radius:50%; background:var(--teal-200)}
.panel-title{margin-left:8px; font-size:.76rem; color:var(--muted); letter-spacing:.02em}
.panel-body{padding:20px}
.kpi-row{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:16px}
.kpi{background:var(--teal-50); border-radius:12px; padding:14px 16px}
.kpi-label{display:block; font-size:.76rem; color:var(--muted); text-transform:uppercase; letter-spacing:.08em}
.kpi-value{display:block; font-family:var(--font-head); font-weight:800; font-size:1.7rem; color:var(--ink); line-height:1.2}
.chart{background:var(--bg-alt); border-radius:12px; padding:10px; margin-bottom:16px}
.chart svg{width:100%; height:auto; display:block}
.panel-rows .row{
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:11px 2px; border-top:1px solid var(--line); font-size:.92rem; color:var(--muted);
}
.panel-rows .row:first-child{border-top:0}
.panel-rows b.ok{color:var(--teal-800); font-weight:600; font-size:.88rem}

/* ---------- Seções ---------- */
.section{padding:clamp(60px,7vw,100px) 0}
.section-alt{background:var(--bg-alt); border-block:1px solid var(--line)}
.section-head{max-width:720px; margin-bottom:48px}
.section-sub{color:var(--muted); font-size:1.05rem; margin:0}

.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:24px}

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 26px 22px; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:var(--teal-200)}
.card h3{color:var(--ink)}
.card p{margin:0; color:var(--muted); font-size:.97rem}

/* Serviços */
.services .svc{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.services .svc:hover{transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:var(--teal-200)}
.svc-icon{
  width:46px; height:46px; border-radius:12px; display:grid; place-items:center;
  background:var(--teal-50); color:var(--teal-600); margin-bottom:16px;
}
.svc-icon svg{width:23px; height:23px}
.svc p{margin:0; color:var(--muted); font-size:.97rem}

/* Faixa escura */
.stripe{background:var(--ink); color:#cfe6ec}
.stripe-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center}
.on-dark{color:#fff}
.on-dark-sub{color:#a9cdd7; font-size:1.03rem; max-width:52ch}
.stripe-list{list-style:none; padding:0; margin:0; display:grid; gap:14px}
.stripe-list li{
  background:rgba(255,255,255,.05); border:1px solid rgba(165,217,234,.18);
  border-radius:14px; padding:18px 22px;
}
.stripe-list b{display:block; font-family:var(--font-head); color:#fff; font-size:1rem; margin-bottom:4px}
.stripe-list span{font-size:.94rem; color:#a9cdd7}

/* Etapas */
.steps{list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(4,1fr); gap:24px; counter-reset:none}
.steps li{position:relative; padding-top:20px; border-top:2px solid var(--line)}
.steps li::before{
  content:""; position:absolute; top:-6px; left:0; width:10px; height:10px;
  border-radius:50%; background:var(--teal-400);
}
.step-n{
  font-family:var(--font-head); font-weight:800; font-size:.85rem; letter-spacing:.1em;
  color:var(--teal-600); display:block; margin-bottom:8px;
}
.steps h3{margin-bottom:.4rem}
.steps p{margin:0; color:var(--muted); font-size:.95rem}

/* Para quem */
.fit-card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px}
.fit-card h3{margin-bottom:1rem}
.fit-card ul{list-style:none; padding:0; margin:0; display:grid; gap:12px}
.fit-card li{position:relative; padding-left:30px; color:var(--muted); font-size:.97rem}
.fit-card li::before{
  position:absolute; left:0; top:0; font-weight:700; font-family:var(--font-head);
}
.fit-card.yes{border-top:3px solid var(--teal-400)}
.fit-card.yes li::before{content:"✓"; color:var(--teal-600)}
.fit-card.no{border-top:3px solid #d7e0e3}
.fit-card.no li::before{content:"—"; color:#9aabb1}

/* FAQ */
.faq{display:grid; gap:12px}
.faq details{
  background:#fff; border:1px solid var(--line); border-radius:14px; padding:0 22px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq details[open]{border-color:var(--teal-200); box-shadow:var(--shadow-sm)}
.faq summary{
  list-style:none; cursor:pointer; padding:18px 32px 18px 0; position:relative;
  font-family:var(--font-head); font-weight:600; color:var(--ink); font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:""; position:absolute; right:4px; top:50%; width:9px; height:9px;
  border-right:2px solid var(--teal-600); border-bottom:2px solid var(--teal-600);
  transform:translateY(-70%) rotate(45deg); transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq p{margin:0 0 18px; color:var(--muted); font-size:.97rem}

/* Contato */
.contato{background:linear-gradient(180deg,#ffffff 0%, var(--teal-50) 100%)}
.contato-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start}
.contato-marks{list-style:none; padding:0; margin:24px 0 0; display:grid; gap:10px}
.contato-marks li{position:relative; padding-left:28px; color:var(--muted); font-size:.95rem}
.contato-marks li::before{
  content:"✓"; position:absolute; left:0; color:var(--teal-600); font-weight:700;
}
.form{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:30px; box-shadow:var(--shadow-md);
}
.field{margin-bottom:16px; display:flex; flex-direction:column}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.field label{font-size:.86rem; font-weight:600; color:var(--ink); margin-bottom:6px}
.field input, .field textarea{
  font-family:var(--font-body); font-size:.97rem; color:var(--text);
  border:1.5px solid var(--line); border-radius:10px; padding:.75rem .9rem;
  background:#fff; transition:border-color .15s ease, box-shadow .15s ease; width:100%;
}
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--teal-400); box-shadow:0 0 0 3px var(--teal-100);
}
.field input.invalid, .field textarea.invalid{border-color:#d95c5c; box-shadow:0 0 0 3px #fbe6e6}
.field textarea{resize:vertical; min-height:110px}
.hp{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden}
.form-note{font-size:.8rem; color:var(--muted); margin:12px 0 0; text-align:center}
.form-status{margin:12px 0 0; font-size:.92rem; text-align:center; min-height:1.2em}
.form-status.ok{color:var(--teal-800); font-weight:600}
.form-status.err{color:#c04747; font-weight:600}
.form.sent .field, .form.sent .btn, .form.sent .form-note{display:none}

/* Footer */
.footer{background:var(--ink); color:#9dc2cd; padding:56px 0 26px}
.footer-inner{display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:34px}
.footer-brand{
  font-family:var(--font-head); font-weight:800; font-size:1.5rem; letter-spacing:.22em;
  color:#fff; margin:0;
}
.footer-tag{font-size:.82rem; letter-spacing:.06em; color:var(--teal-200); margin:2px 0 12px}
.footer-desc{font-size:.94rem; margin:0; max-width:34ch}
.footer-links{display:flex; flex-direction:column; gap:10px}
.footer-links a{color:#9dc2cd; font-size:.94rem}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  border-top:1px solid rgba(157,194,205,.2); padding-top:22px; font-size:.85rem; color:#7ba5b2;
}

/* Reveal */
.js .reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease}
.js .reveal.in{opacity:1; transform:none}

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .hero-grid, .stripe-grid, .contato-grid{grid-template-columns:1fr; gap:40px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .nav-links, .nav-cta{display:none}
  .nav-toggle{display:flex; margin-left:auto}
  .menu-mobile{display:flex}
  .menu-mobile[hidden]{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid-3, .grid-2, .steps, .field-row, .kpi-row{grid-template-columns:1fr}
  .wrap{padding:0 20px}
  .form{padding:22px}
  .hero-cta .btn{width:100%}
  .footer-inner{flex-direction:column; gap:28px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1; transform:none; transition:none}
  *{animation-duration:.001ms !important; transition-duration:.001ms !important}
}