/* RDC Engenharia e Inspeções: folha de estilo única, sem dependências */
@font-face{font-family:"Inter";font-weight:400;font-style:normal;font-display:swap;src:url("../fonts/inter-400.woff") format("woff")}
@font-face{font-family:"Inter";font-weight:600;font-style:normal;font-display:swap;src:url("../fonts/inter-600.woff") format("woff")}
@font-face{font-family:"Inter";font-weight:800;font-style:normal;font-display:swap;src:url("../fonts/inter-800.woff") format("woff")}

:root{
  --navy:#12303f; --navy-2:#1a4155; --navy-3:#0d2430;
  --amber:#e8a317; --amber-dark:#9a6200; --amber-soft:#fdf1d6;
  --paper:#f4f2ec; --white:#ffffff; --ink:#12303f; --muted:#4d6270; --line:#d9d6cc;
  --ok:#1d6b45; --radius:14px; --wrap:1120px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--font);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--amber-dark)}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.015em;margin:0 0 .5em;font-weight:800}
h1{font-size:clamp(1.9rem,4.6vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-top:0}
h3{font-size:1.2rem;font-weight:600;letter-spacing:-.005em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.3em 0}
strong{font-weight:600}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--navy);padding:10px 16px;z-index:100;font-weight:600}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}

/* Cabeçalho */
.hdr{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(255,255,255,.08)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:block;color:#fff;width:112px;flex:none}
.brand:hover{color:#fff}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:#dbe5ea;text-decoration:none;padding:8px 10px;border-radius:8px;font-size:.93rem;font-weight:600;white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.1)}
.nav .btn{margin-left:8px;padding:9px 16px;font-size:.93rem}
.menu-btn{display:none;background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:10px;padding:9px 14px;font:600 .93rem var(--font);cursor:pointer}
@media (max-width:1010px){
  .menu-btn{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy);flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-top:1px solid rgba(255,255,255,.12)}
  .nav.open{display:flex}
  .nav a{padding:12px 10px;font-size:1rem}
  .nav .btn{margin:8px 0 0;text-align:center}
}
.js .nav{}
.no-js .nav{display:flex;flex-wrap:wrap;position:static;padding:0}
.no-js .menu-btn{display:none}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--amber);color:var(--navy);font:600 1rem var(--font);padding:13px 22px;border-radius:12px;text-decoration:none;border:2px solid var(--amber);cursor:pointer;line-height:1.2;transition:transform .08s ease,background .15s}
.btn:hover{background:#f2b43a;color:var(--navy);border-color:#f2b43a}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn.ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}
.btn.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.dark:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.btn.line{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn.line:hover{background:var(--navy);color:#fff}
.btn svg{width:20px;height:20px;flex:none}
.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin:1.4em 0 0}

/* Hero */
.hero{background:var(--navy);color:#fff;padding:56px 0 64px;position:relative;overflow:hidden}
.hero .grid2{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.hero .eyebrow{color:var(--amber);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;margin-bottom:14px}
.hero h1{color:#fff;margin-bottom:.45em}
.hero .lead{font-size:1.15rem;color:#d2dde3;max-width:60ch}
.hero .art{color:#e9eef1;opacity:.95}
.hero .art svg{width:100%;max-width:430px;margin-left:auto}
.hero.small{padding:40px 0 44px}
.hero.small h1{font-size:clamp(1.7rem,3.8vw,2.5rem)}
.hero .crumbs{margin-bottom:18px}
@media (max-width:860px){.hero .grid2{grid-template-columns:1fr}.hero .art{display:none}.hero{padding:40px 0 48px}}

/* Migalhas */
.crumbs{font-size:.86rem;color:#b9c9d1}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px}
.crumbs li{margin:0}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.6}
.crumbs a{color:#d6e2e8}
.crumbs a:hover{color:var(--amber)}

/* Seções */
section.s{padding:60px 0}
section.s.alt{background:var(--white)}
section.s.tight{padding:40px 0}
.kicker{color:var(--amber-dark);font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;margin-bottom:10px}
.lead{font-size:1.12rem;color:var(--muted)}
.sec-head{max-width:720px;margin-bottom:28px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column}
section.s.alt .card{background:var(--paper)}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);margin-bottom:1em}
.card .more{margin-top:auto;font-weight:600}
a.card{text-decoration:none;color:var(--ink);transition:border-color .15s,transform .1s}
a.card:hover{border-color:var(--navy);transform:translateY(-2px);color:var(--ink)}
a.card .more{color:var(--navy);text-decoration:underline;text-underline-offset:3px}
.tag{display:inline-block;font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--amber-dark);background:var(--amber-soft);border-radius:999px;padding:3px 10px;margin-bottom:12px;align-self:flex-start}
.card.choice{border-top:4px solid var(--amber)}

/* Passos */
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:14px;grid-template-columns:repeat(4,1fr)}
.steps li{counter-increment:s;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:0}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;margin-bottom:12px}
.steps strong{display:block;margin-bottom:4px}
.steps.vert{grid-template-columns:1fr;max-width:760px}
.steps.vert li{display:grid;grid-template-columns:44px 1fr;column-gap:14px}
.steps.vert li::before{grid-row:span 2;margin:0}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* Destaques */
.callout{border-left:5px solid var(--amber);background:var(--amber-soft);border-radius:0 var(--radius) var(--radius) 0;padding:18px 22px;margin:24px 0}
.callout.navy{border-left-color:var(--navy);background:#e6edf1}
.callout strong:first-child{display:block;margin-bottom:2px}
.callout p:last-child{margin-bottom:0}
.band{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.band h2,.band h3{color:#fff;margin:0 0 .3em}
.band p{color:#d2dde3;margin:0}
.person{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:center}
.person img{border-radius:18px;width:200px;height:200px;object-fit:cover;border:4px solid var(--white);box-shadow:0 0 0 1px var(--line)}
@media (max-width:640px){.person{grid-template-columns:1fr}.person img{width:140px;height:140px}}
.facts{display:grid;gap:10px;list-style:none;padding:0;margin:0 0 1em}
.facts li{padding:12px 16px;background:var(--white);border:1px solid var(--line);border-radius:12px;margin:0}
.facts b{display:block;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber-dark);margin-bottom:2px}

/* Texto longo */
.prose{max-width:760px}
.prose h2{margin-top:1.8em;font-size:1.55rem}
.prose h3{margin-top:1.5em}
.prose figure{margin:1.6em 0}
figure.fig{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:1.6em 0}
figure.fig figcaption{font-size:.88rem;color:var(--muted);margin-top:12px}
.meta-line{font-size:.9rem;color:var(--muted)}
.ref{font-size:.86rem;color:var(--muted);border-top:1px solid var(--line);margin-top:2em;padding-top:1em}
.ref ul{margin:.4em 0 0}
.prose table,.tablewrap table{border-collapse:collapse;width:100%;font-size:.95rem}
.tablewrap{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:12px;background:var(--white)}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#e9eef1;font-weight:600}
tr:last-child td{border-bottom:0}
.num{font-variant-numeric:tabular-nums}

/* FAQ */
.faq details{background:var(--white);border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:0}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--amber-dark)}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 20px 16px;color:var(--ink)}
.faq .ans p:last-child{margin-bottom:0}

/* Formulário */
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.form label{display:block;font-weight:600;font-size:.93rem;margin:14px 0 6px}
.form input,.form select,.form textarea{width:100%;font:400 1rem var(--font);color:var(--ink);background:#fff;border:1.5px solid #b9c4ca;border-radius:10px;padding:11px 12px}
.form textarea{min-height:96px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--navy);outline:none;box-shadow:0 0 0 3px rgba(232,163,23,.35)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.form .hint{font-size:.85rem;color:var(--muted);margin-top:4px}
.form fieldset{border:0;padding:0;margin:0}
.hidden{display:none!important}
.form .actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* Rodapé */
.ftr{background:var(--navy-3);color:#c4d2d9;padding:52px 0 28px;margin-top:0;font-size:.95rem}
.ftr a{color:#e3ebef}
.ftr a:hover{color:var(--amber)}
.ftr .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px}
@media (max-width:900px){.ftr .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ftr .cols{grid-template-columns:1fr}}
.ftr h4,.ftr-title{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.8em;font-weight:600}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin:.35em 0}
.ftr .brand{width:130px;margin-bottom:14px}
.ftr .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:.84rem;color:#9fb3bd}

/* WhatsApp flutuante e aviso de cookies */
.wa-float{position:fixed;right:16px;bottom:16px;z-index:60;background:#25d366;color:#0b2e1a;border-radius:999px;padding:12px 18px;display:none;align-items:center;gap:8px;font-weight:600;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.wa-float:hover{color:#0b2e1a;background:#2fe074}
.wa-float svg{width:22px;height:22px}
@media (max-width:860px){.wa-float{display:inline-flex}}
.cookie{position:fixed;left:12px;right:12px;bottom:12px;z-index:70;background:var(--navy);color:#fff;border-radius:14px;padding:16px 18px;display:none;gap:14px;align-items:center;flex-wrap:wrap;box-shadow:0 10px 30px rgba(0,0,0,.35);max-width:760px;margin:0 auto}
.cookie.show{display:flex}
.cookie p{margin:0;flex:1 1 260px;font-size:.92rem;color:#dbe5ea}
.cookie a{color:var(--amber)}
.cookie .btn{padding:9px 16px;font-size:.92rem}

/* Lista de artigos */
.post{display:flex;flex-direction:column}
.post time{font-size:.82rem;color:var(--muted)}
@media print{.hdr,.ftr,.wa-float,.cookie,.btnrow{display:none}body{background:#fff}.hero{background:#fff;color:#000;padding:0}.hero h1,.hero .lead{color:#000}}

/* Texto longo alinhado ao cabeçalho */
.wrap.prose{max-width:var(--wrap)}
.wrap.prose>*{max-width:760px}

/* Revisão v2: menos caixas, mais hierarquia */
.hero .panel{border-left:3px solid var(--amber);padding:4px 0 4px 26px}
.panel-title{color:var(--amber);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;margin:0 0 12px}
.panel ul{list-style:none;margin:0;padding:0}
.panel li{margin:0;border-bottom:1px solid rgba(255,255,255,.12)}
.panel li:last-child{border-bottom:0}
.panel a{display:block;padding:11px 0;color:#e9eef1;text-decoration:none;font-weight:600}
.panel a:hover{color:var(--amber)}
@media (max-width:860px){.hero .panel{margin-top:8px}}

.rows{list-style:none;margin:0 0 1em;padding:0;border-top:1px solid var(--line)}
.rows>li{margin:0;padding:20px 0;border-bottom:1px solid var(--line)}
.rows h3,.rows h2.rt{margin:0 0 .25em}
.rows h2.rt{font-size:1.25rem}
.rows h3 a,.rows h2.rt a{text-decoration:none}
.rows h3 a:hover,.rows h2.rt a:hover{text-decoration:underline}
.rows p{margin:0;color:var(--muted);max-width:72ch}
.deliver{font-size:.95rem;color:var(--ink);margin-top:.7em!important}
.deliver b{font-weight:600}
.rows .deliver{color:var(--muted)}
.more-link{font-weight:600;margin:0}

.cols-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:26px 36px}
.cols-list li{margin:0;padding-top:14px;border-top:2px solid var(--navy);color:var(--muted)}
.cols-list strong{display:block;color:var(--ink);margin-bottom:4px}
.cols-list.one{grid-template-columns:1fr;max-width:760px}
@media (max-width:900px){.cols-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.cols-list{grid-template-columns:1fr}}

.split{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.split.contact{grid-template-columns:.9fr 1.1fr}
@media (max-width:900px){.split,.split.contact{grid-template-columns:1fr;gap:36px}}

.person.big{grid-template-columns:260px 1fr;gap:40px;align-items:start}
.person.big img{width:260px;height:260px}
@media (max-width:640px){.person.big{grid-template-columns:1fr}.person.big img{width:180px;height:180px}}

.toc{border-left:3px solid var(--amber);padding:2px 0 2px 20px;margin:0 0 2em}
.toc-title{font-weight:600;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-dark);margin:0 0 6px}
.toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:36px}
.toc li{margin:.2em 0;break-inside:avoid}
@media (max-width:640px){.toc ol{columns:1}}

.byline{font-size:.9rem;color:#b9c9d1;margin:14px 0 0}
.small{font-size:.88rem;color:var(--muted)}
.hero .small{color:#b9c9d1}
.s.alt .facts li,.facts li{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;padding:10px 0}
.facts li:last-child{border-bottom:1px solid var(--line)}
.tablewrap{border-radius:8px}
.ftr .small{color:#9fb3bd}
.ftr .ftr-title{margin-top:0}

.linklike{background:none;border:0;padding:0;font:inherit;color:#e3ebef;text-decoration:underline;cursor:pointer}
.linklike:hover{color:var(--amber)}
.faq-short details{margin:8px 0}

/* Diagramas esquemáticos com legenda numerada */
figure.diagram{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:8px 28px;align-items:center}
figure.diagram .diagram-img svg{width:100%;height:auto}
figure.diagram figcaption{grid-column:1/-1;margin-top:4px}
ol.legend{list-style:none;margin:0;padding:0;counter-reset:lg;display:grid;gap:10px}
ol.legend li{counter-increment:lg;position:relative;padding-left:38px;font-size:.95rem;line-height:1.4;min-height:28px}
ol.legend li::before{content:counter(lg);position:absolute;left:0;top:-1px;width:26px;height:26px;border-radius:50%;background:var(--amber);color:var(--navy);font-weight:800;font-size:.9rem;display:grid;place-items:center}
ol.legend li strong{display:block}
@media (max-width:760px){figure.diagram{grid-template-columns:1fr}figure.diagram ol.legend{margin-top:6px}}
.diagram-img.plate{max-width:520px;margin:0 auto}