/* rt.engenheirorenanmesquita.com.br — folha única. Mobile first. */
:root{
  --navy:#0b1f33; --navy-2:#122c47; --blue:#1d4ed8; --blue-2:#1e40af; --blue-soft:#dbe7ff;
  --ink:#16202c; --ink-2:#3b4a5c; --muted:#5d6b7b; --line:#dfe5ec; --bg:#f6f8fb; --white:#fff;
  --ok:#0f766e; --ok-2:#0b5f58; --warn:#b45309;
  --r:14px; --r-s:8px; --shadow:0 10px 30px rgba(11,31,51,.10);
  --font-h:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-b:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-b);font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--white)}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:var(--font-h);line-height:1.15;margin:0 0 .5em;color:var(--navy);letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,5.2vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.6vw,2.1rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--blue-2)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:min(1120px,100% - 2rem);margin-inline:auto}
section{padding:3.25rem 0}
@media(min-width:900px){section{padding:4.5rem 0}}
.lead{font-size:1.15rem;color:var(--ink-2)}
.eyebrow{display:inline-block;font:700 .78rem/1 var(--font-h);letter-spacing:.08em;text-transform:uppercase;color:var(--blue-2);background:var(--blue-soft);padding:.5rem .7rem;border-radius:999px;margin-bottom:1rem}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--navy);font-family:var(--font-h);font-weight:800;font-size:1rem}
.brand .mark{width:38px;height:38px;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.85rem;letter-spacing:.02em}
.brand small{display:block;font:500 .75rem/1.1 var(--font-b);color:var(--muted)}
.top-actions{display:flex;gap:.5rem;align-items:center}
.top .cta,.top .cta-wa{display:none}
@media(min-width:720px){.top .cta{display:inline-flex}}
@media(min-width:960px){.top .cta-wa{display:inline-flex}}
.top .btn{min-height:44px;padding:.6rem 1rem;font-size:.95rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:48px;padding:.8rem 1.25rem;border-radius:var(--r-s);font:700 1rem var(--font-h);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .08s ease,background .15s ease}
.btn:active{transform:translateY(1px)}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-2)}
.btn-wa{background:var(--ok);color:#fff}
.btn-wa:hover{background:var(--ok-2)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy)}
.btn-lg{min-height:56px;font-size:1.05rem;padding:1rem 1.5rem;width:100%}
@media(min-width:600px){.btn-lg{width:auto}}
.btn-row{display:flex;flex-direction:column;gap:.75rem}
@media(min-width:600px){.btn-row{flex-direction:row;flex-wrap:wrap}}

/* hero */
.hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:2.75rem 0 2.5rem}
.hero h1,.hero h2{color:#fff}
.hero .eyebrow{background:rgba(255,255,255,.12);color:#cfe0ff}
.hero .lead{color:#d6e0ec}
.hero .wrap{display:grid;gap:2rem}
@media(min-width:900px){.hero{padding:4rem 0 3.5rem}.hero .wrap{grid-template-columns:1.15fr .85fr;align-items:center;gap:3rem}}
.hero-copy{padding-bottom:0}
.hero-photo{position:relative;margin:0;justify-self:center;width:min(400px,100%);border-radius:var(--r);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35)}
@media(max-width:899px){.hero-photo{width:min(300px,100%)}}
.hero-photo img{display:block;width:100%;height:auto;object-fit:cover}
.hero-photo figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,transparent,rgba(11,31,51,.92));padding:2.5rem 1rem 1rem;color:#fff;font:600 .9rem var(--font-h)}
.hero-photo figcaption span{display:block;font:400 .8rem var(--font-b);color:#b9c7d8}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0 1.75rem;padding:0;list-style:none}
.chips li{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:.4rem .75rem;font-size:.9rem;color:#e6eef8}
.chips svg{width:16px;height:16px;color:#8fd3c7}

/* proof strip */
.strip{background:var(--bg);border-bottom:1px solid var(--line);padding:1.25rem 0}
.strip ul{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:0;padding:0;list-style:none}
@media(min-width:900px){.strip ul{grid-template-columns:repeat(4,1fr)}}
.strip li{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem;color:var(--ink-2)}
.strip svg{width:22px;height:22px;color:var(--blue);flex:none;margin-top:.1rem}
.strip b{display:block;color:var(--navy);font-family:var(--font-h)}

/* cards grid */
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media(min-width:560px){.grid-4{grid-template-columns:1fr 1fr}}
@media(min-width:700px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;box-shadow:0 1px 0 rgba(11,31,51,.03)}
.card .ic{width:44px;height:44px;border-radius:10px;background:var(--blue-soft);color:var(--blue-2);display:grid;place-items:center;margin-bottom:.9rem}
.card .ic svg{width:24px;height:24px}
.card h3{margin-bottom:.35rem}
.card p{margin:0;color:var(--ink-2);font-size:.98rem}
.card a.more{display:inline-flex;align-items:center;gap:.3rem;margin-top:.75rem;font:600 .95rem var(--font-h);text-decoration:none}
.card a.more svg{width:16px;height:16px}
.card.seg{display:flex;flex-direction:column}
.card.seg a.more{margin-top:auto;padding-top:.75rem}

/* two-column text */
.split{display:grid;gap:2rem}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr;gap:3rem;align-items:start}}
.list{list-style:none;padding:0;margin:0 0 1rem;display:grid;gap:.7rem}
.list li{display:flex;gap:.65rem;align-items:flex-start}
.list svg{width:22px;height:22px;flex:none;margin-top:.15rem;color:var(--ok)}
.list.no svg{color:var(--warn)}
.note{background:var(--bg);border-left:4px solid var(--blue);padding:1rem 1.1rem;border-radius:0 var(--r-s) var(--r-s) 0;color:var(--ink-2);font-size:.98rem}

/* steps */
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:1rem}
@media(min-width:900px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.4rem 1.3rem 1.3rem;position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font:800 1rem var(--font-h);margin-bottom:.9rem}
.steps h3{font-size:1.08rem}
.steps p{margin:0;color:var(--ink-2);font-size:.96rem}
.steps small{display:block;margin-top:.6rem;color:var(--muted);font-size:.85rem}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:.96rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tbl th,.tbl td{padding:.85rem .9rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--bg);font-family:var(--font-h);color:var(--navy)}
.tbl tr:last-child td{border-bottom:0}
.tbl-wrap{overflow-x:auto}

/* engineer block */
.eng{background:var(--bg)}
.eng .box{display:grid;gap:1.5rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem}
@media(min-width:800px){.eng .box{grid-template-columns:200px 1fr;padding:2rem;gap:2rem;align-items:start}}
.eng img{width:160px;height:160px;border-radius:50%;object-fit:cover;border:4px solid var(--blue-soft)}
@media(min-width:800px){.eng img{width:200px;height:200px}}
.eng dl{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 1rem;margin:1.1rem 0 0;font-size:.95rem}
@media(min-width:800px){.eng dl{grid-template-columns:repeat(4,1fr)}}
.eng dt{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.eng dd{margin:0;color:var(--navy);font-weight:600}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:0 1.1rem;margin-bottom:.7rem}
.faq summary{cursor:pointer;font:700 1.02rem var(--font-h);color:var(--navy);padding:1rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--blue);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:1rem;margin:0;color:var(--ink-2)}

/* form */
.form-sec{background:var(--navy);color:#fff}
.form-sec h2,.form-sec h3{color:#fff}
.form-sec .lead{color:#cfd9e6}
.form-sec .split{align-items:stretch}
.form{background:#fff;color:var(--ink);border-radius:var(--r);padding:1.5rem;box-shadow:var(--shadow)}
@media(min-width:600px){.form{padding:2rem}}
.form h3{color:var(--navy)}
.field{margin-bottom:1rem}
.field label{display:block;font:600 .92rem var(--font-h);color:var(--navy);margin-bottom:.35rem}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:.7rem .85rem;border:1.5px solid #c8d1dc;border-radius:var(--r-s);font:400 1rem var(--font-b);color:var(--ink);background:#fff}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue)}
.row2{display:grid;gap:0 1rem}
@media(min-width:560px){.row2{grid-template-columns:1fr 1fr}}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:var(--ink-2);margin:.25rem 0 1rem}
.consent input{width:20px;height:20px;margin-top:.15rem;flex:none}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden}
.form .hint{font-size:.85rem;color:var(--muted);margin:.75rem 0 0}
.form-side ul{margin:1rem 0 1.5rem}
.form-side .list svg{color:#8fd3c7}
.err{display:none;background:#fff1f0;border:1px solid #f5b5b1;color:#8a1c16;border-radius:var(--r-s);padding:.75rem 1rem;margin-bottom:1rem;font-size:.95rem}
.err.show{display:block}

/* sticky mobile cta */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;gap:.5rem;padding:.6rem .75rem calc(.6rem + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line)}
.sticky .btn{flex:1;min-height:48px;font-size:.95rem;padding:.6rem}
@media(min-width:720px){.sticky{display:none}}
body.has-sticky{padding-bottom:76px}
@media(min-width:720px){body.has-sticky{padding-bottom:0}}

/* footer */
footer{background:#0a1727;color:#aab8c8;padding:2.5rem 0 2rem;font-size:.9rem}
footer a{color:#dbe7ff}
footer .cols{display:grid;gap:1.5rem}
@media(min-width:800px){footer .cols{grid-template-columns:1.3fr 1fr 1fr}}
footer h3{color:#fff;font-size:1rem}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}
footer .legal{border-top:1px solid rgba(255,255,255,.1);margin-top:1.75rem;padding-top:1.25rem;font-size:.82rem;color:#7f8fa3}

/* consent banner */
.cb{position:fixed;z-index:40;left:.75rem;right:.75rem;bottom:.75rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:1rem;display:none;gap:.75rem;flex-direction:column;font-size:.92rem;color:var(--ink-2)}
.cb.show{display:flex}
@media(min-width:720px){.cb{left:auto;max-width:460px}}
.cb .btns{display:flex;gap:.5rem;flex-wrap:wrap}
.cb .btn{min-height:44px;padding:.55rem .9rem;font-size:.92rem}

/* thank-you */
.ty{min-height:60vh;display:grid;place-items:center;text-align:center}
.ty .ic{width:72px;height:72px;border-radius:50%;background:#e6f6f3;color:var(--ok);display:grid;place-items:center;margin:0 auto 1rem}
.ty .ic svg{width:36px;height:36px}

/* prose (privacy) */
.prose h2{font-size:1.35rem;margin-top:1.8rem}
.prose{max-width:760px}

/* situação (3 cartões com CTA) */
.sit h2{max-width:820px}
.sit-card{display:flex;flex-direction:column}
.sit-card p{flex:1;margin-bottom:1rem}
.sit-card .btn{width:100%}
.card .ic.warn{background:#fff1e6;color:var(--warn)}

/* o que você recebe (grade de 6) */
.card.recv{padding:1.25rem}
.card.recv .ic{width:40px;height:40px;margin-bottom:.7rem}
.card.recv h3{font-size:1.05rem}
.card.recv p{font-size:.94rem}

/* CTA centralizado */
.cta-center{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-top:2rem;text-align:center}
@media(min-width:600px){.cta-center{flex-direction:row;justify-content:center;flex-wrap:wrap}}
.cta-sub{width:100%;margin:0;color:var(--muted);font-size:.92rem}
.eng-cta{margin:1.25rem 0 0}

/* widget de WhatsApp (canto inferior direito) */
.wa{position:fixed;right:1rem;bottom:1rem;z-index:35;display:flex;flex-direction:column;align-items:flex-end;gap:.6rem}
@media(max-width:719px){.wa{bottom:calc(84px + env(safe-area-inset-bottom))}}
.wa-bubble{position:relative;width:64px;height:64px;border-radius:50%;border:3px solid #25d366;background:#fff;padding:0;cursor:pointer;box-shadow:0 10px 28px rgba(11,31,51,.3);transition:transform .15s ease}
.wa-bubble:hover{transform:scale(1.05)}
.wa-bubble img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.wa-badge{position:absolute;right:-6px;bottom:-6px;width:28px;height:28px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;border:2px solid #fff}
.wa-badge svg{width:16px;height:16px;color:#fff}
.wa-hint{display:none;align-items:center;gap:.5rem;background:#fff;color:var(--navy);border:1px solid var(--line);border-radius:999px;padding:.55rem .6rem .55rem 1rem;font:600 .9rem var(--font-h);box-shadow:var(--shadow)}
.wa-hint.show{display:flex;animation:wa-in .3s ease}
.wa-hint-x{border:0;background:var(--bg);width:26px;height:26px;border-radius:50%;cursor:pointer;color:var(--muted);font-size:1rem;line-height:1}
@keyframes wa-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.wa-panel{width:min(360px,calc(100vw - 2rem));max-height:calc(100vh - 110px);overflow:auto;background:#fff;border-radius:var(--r);box-shadow:0 20px 50px rgba(11,31,51,.35);overflow:hidden;animation:wa-in .2s ease}
.wa-head{display:flex;align-items:center;gap:.7rem;background:#075e54;color:#fff;padding:.9rem 1rem}
.wa-head img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid #25d366}
.wa-head b{display:block;font:700 1rem var(--font-h)}
.wa-head span{display:block;font-size:.78rem;color:#cde9e3}
.wa-close{margin-left:auto;border:0;background:rgba(255,255,255,.15);color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:1.1rem;line-height:1}
.wa-form{padding:1rem;background:#ece5dd;display:grid;gap:.6rem}
.wa-msg{margin:0;background:#fff;border-radius:0 12px 12px 12px;padding:.7rem .9rem;font-size:.95rem;color:var(--ink);box-shadow:0 1px 1px rgba(0,0,0,.08)}
.wa-form label{display:grid;gap:.25rem;font:600 .82rem var(--font-h);color:var(--navy)}
.wa-form input,.wa-form select{min-height:44px;padding:.55rem .75rem;border:1.5px solid #c8d1dc;border-radius:var(--r-s);font:400 .98rem var(--font-b);background:#fff;color:var(--ink);width:100%}
.wa-form .btn{width:100%;min-height:50px;background:#25d366;color:#0b1f33}
.wa-form .btn:hover{background:#1ebe5a}
.wa-legal{margin:0;font-size:.74rem;color:var(--muted);text-align:center}
.wa-form .err{margin:0}
body.wa-open .wa-hint{display:none}