/* Franco Martins Engenharia — sistema do site */
:root{
  --petroleo:#0C2B38; --azul:#012F47; --medio:#134B5F;
  --dourado:#B0892B; --dourado-claro:#C9A227;
  --branco:#FFFFFF; --gelo:#EDF4F6; --ardosia:#5A6B72; --preto:#0A1418;
  --linha:rgba(237,244,246,.12); --linha-escura:rgba(12,43,56,.14);
  --f-head:"Oswald",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
  --f-num:"Big Shoulders Display","Oswald",sans-serif;
  --ease-in:cubic-bezier(.16,1,.30,1);
  --ease-out:cubic-bezier(.70,0,.84,0);
  --mx:clamp(20px,5vw,88px);
  --maxw:1320px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--f-body);background:var(--petroleo);color:var(--gelo);line-height:1.6;overflow-x:hidden;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--dourado);color:var(--petroleo)}

/* Tipografia */
.eyebrow{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.28em;font-weight:500;font-size:.72rem;color:var(--dourado-claro);display:inline-flex;align-items:center;gap:.75em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--dourado);display:inline-block}
h1,h2,h3{font-family:var(--f-head);font-weight:500;text-transform:uppercase;letter-spacing:.06em;line-height:1.02;text-wrap:balance}
h1{font-size:clamp(2.6rem,6.2vw,5.6rem);font-weight:400}
h2{font-size:clamp(2rem,4.2vw,3.6rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.6rem);letter-spacing:.08em}
.lead{font-size:clamp(1.1rem,1.5vw,1.35rem);color:#cddbe1;font-weight:300;line-height:1.55;max-width:42ch}
p{text-wrap:pretty}
.muted{color:var(--ardosia)}
.mono{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.22em;font-size:.7rem;color:var(--ardosia);font-weight:500}

/* Layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--mx)}
section{position:relative}
.pad{padding:clamp(84px,12vh,160px) 0}
.pad-sm{padding:clamp(60px,8vh,110px) 0}
.on-light{background:var(--gelo);color:var(--azul)}
.on-light .lead{color:#1c3a48}
.on-light h1,.on-light h2,.on-light h3{color:var(--azul)}
.on-light p{color:#294551}
.on-light .mono{color:#3f5a66}
.on-light .stat-label{color:#3f5a66}
.on-light .card p{color:#2b4652}
.on-light .card li{color:#39545f}
.on-light .card li::before{background:var(--azul)}
.on-light .card .card-arrow{color:#6a828d}
.on-light .rule-thin{background:var(--linha-escura)}
.on-white{background:var(--branco);color:var(--azul)}
.on-white h1,.on-white h2,.on-white h3{color:var(--azul)}
.on-white .eyebrow{color:var(--dourado)}
.on-white p{color:#3f5a66}

/* fio dourado (gesto de assinatura) */
.rule{height:1px;background:var(--dourado);transform-origin:left center;width:100%}
.rule-thin{height:1px;background:var(--linha)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s var(--ease-in),border-color .4s,padding .4s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px var(--mx);border-bottom:1px solid transparent;transition:border-color .4s}
.nav.solid{background:rgba(9,32,42,.82);backdrop-filter:blur(14px) saturate(1.1)}
.nav.solid .nav-inner{border-bottom-color:var(--linha)}
.nav-logo img{height:38px;width:auto}
.nav-menu{display:flex;gap:38px;align-items:center;margin-left:auto}
.nav-menu a{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.15em;font-size:.92rem;font-weight:400;color:#c3d3d9;position:relative;padding:4px 0;transition:color .25s}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--dourado);transform:scaleX(0);transform-origin:right;transition:transform .3s var(--ease-in)}
.nav-menu a:hover,.nav-menu a[aria-current]{color:#fff}
.nav-menu a:hover::after,.nav-menu a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.nav-cta{display:none}
.nav-toggle{display:none;background:none;border:1px solid var(--linha);color:#fff;width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:1.5px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:1.5px;background:#fff}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* Botões */
.btn{--c:var(--dourado);display:inline-flex;align-items:center;gap:.7em;font-family:var(--f-head);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:500;padding:16px 28px;border:1px solid var(--c);color:#fff;background:transparent;cursor:pointer;position:relative;overflow:hidden;transition:color .35s var(--ease-in);will-change:transform}
.btn>*{position:relative;z-index:1}
.btn::before{content:"";position:absolute;inset:0;background:var(--c);transform:translateY(101%);transition:transform .4s var(--ease-in);z-index:0}
.btn:hover::before{transform:translateY(0)}
.btn:hover{color:var(--petroleo)}
.btn-solid{background:var(--dourado);color:var(--petroleo);border-color:var(--dourado)}
.btn-solid::before{background:var(--petroleo)}
.btn-solid:hover{color:#fff}
.btn .arw{transition:transform .35s var(--ease-in)}
.btn:hover .arw{transform:translateX(4px)}
.on-light .btn,.on-white .btn{color:var(--azul)}
.on-light .btn:hover,.on-white .btn:hover{color:var(--gelo)}
.on-light .btn::before,.on-white .btn::before{background:var(--azul)}
.on-light .btn-solid{background:var(--azul);color:#fff}
.on-light .btn-solid::before{background:var(--dourado)}
.on-light .btn-solid:hover{color:var(--azul)}

/* readout de coordenadas / índice de folha */
.readout{font-family:var(--f-head);letter-spacing:.22em;font-size:.66rem;text-transform:uppercase;color:var(--ardosia);font-weight:500}
.sheet-tag{position:absolute;top:0;right:var(--mx);font-family:var(--f-head);letter-spacing:.2em;font-size:.64rem;color:var(--ardosia);text-transform:uppercase;padding-top:14px}

/* hero da home: logo vertical grande */
.hero-home{position:relative;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:104px 24px 84px;isolation:isolate}
.hero-vignette{position:absolute;inset:0;z-index:-4;background:radial-gradient(120% 105% at 50% 40%,#0e2f3d,var(--petroleo) 74%)}
.bp3d{position:absolute;z-index:-3;top:50%;left:50%;width:min(1500px,150vw);height:auto;transform:translate(-50%,-50%);pointer-events:none;opacity:0;animation:bpin 2s var(--ease-in) .3s forwards;will-change:transform}
@keyframes bpin{to{opacity:1}}
.hero-bp{position:absolute;inset:0;z-index:-3;opacity:.5;mask-image:radial-gradient(130% 130% at 50% 45%,#000 45%,transparent 100%)}
.bp3d{display:none}
.hero-focus{display:none}
.hero-fade{position:absolute;inset:0;z-index:-2;background:radial-gradient(120% 100% at 50% 42%,rgba(19,75,95,.28),transparent 62%)}
.hero-sheet{position:absolute;inset:22px;z-index:1;border:1px solid rgba(176,137,43,.22);pointer-events:none}
.hero-sheet i{position:absolute;width:18px;height:18px;opacity:0;animation:corner .7s var(--ease-in) forwards}
.hero-sheet .tl{top:-1px;left:-1px;border-top:2px solid var(--dourado);border-left:2px solid var(--dourado);animation-delay:.2s}
.hero-sheet .tr{top:-1px;right:-1px;border-top:2px solid var(--dourado);border-right:2px solid var(--dourado);animation-delay:.32s}
.hero-sheet .bl{bottom:-1px;left:-1px;border-bottom:2px solid var(--dourado);border-left:2px solid var(--dourado);animation-delay:.44s}
.hero-sheet .br{bottom:-1px;right:-1px;border-bottom:2px solid var(--dourado);border-right:2px solid var(--dourado);animation-delay:.56s}
@keyframes corner{to{opacity:1}}
.hero-stage{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:min(1060px,99vw);height:min(46vh,540px)}
.hero-logo{position:relative;z-index:2;width:min(1060px,99vw);max-height:min(46vh,540px);height:auto;object-fit:contain;display:block;filter:drop-shadow(0 32px 82px rgba(0,0,0,.55)) drop-shadow(0 8px 22px rgba(0,0,0,.4));opacity:0;animation:logoin 1.1s var(--ease-in) .3s forwards}
@keyframes logoin{from{opacity:0}to{opacity:1}}
.gold-draw{position:relative;height:1px;width:min(340px,66vw);margin:22px auto 0;background:linear-gradient(90deg,transparent,var(--dourado) 18%,var(--dourado) 82%,transparent);transform:scaleX(0);animation:gdraw 1.1s var(--ease-in) 1s forwards}
.gold-draw::after{content:"";position:absolute;top:50%;left:50%;width:8px;height:8px;translate:-50% -50%;rotate:45deg;background:var(--dourado);opacity:0;animation:diamond .5s var(--ease-in) 1.8s forwards}
@keyframes gdraw{to{transform:scaleX(1)}}
@keyframes diamond{to{opacity:1}}
.hero-tagline{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.16em;font-weight:500;font-size:clamp(1.35rem,3vw,2.5rem);color:#f4f8f9;margin:16px auto 0;max-width:44ch;line-height:1.26;opacity:0;animation:fadeup 1s var(--ease-in) 1.4s forwards}
.hero-tagline b{color:var(--dourado-claro);font-weight:600}
.hero-meta{position:absolute;bottom:44px;right:48px;z-index:3;opacity:0;animation:fadeup 1s var(--ease-in) 1.7s forwards}
@keyframes fadeup{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:9px;color:var(--ardosia);z-index:3}
.scroll-cue .ln{width:1px;height:42px;background:linear-gradient(var(--dourado),transparent);animation:cue 2.2s var(--ease-in) infinite}
@media(max-height:780px){.scroll-cue,.hero-meta{display:none}}
@media(prefers-reduced-motion:reduce){.hero-sheet i,.hero-logo,.gold-draw,.gold-draw::after,.hero-tagline,.hero-meta,.bp3d{animation:none;opacity:1}.bp3d{transform:translate(-50%,-50%)}.hero-logo,.gold-draw,.hero-tagline,.hero-meta,.hero-sheet i{transform:none}.gold-draw{transform:scaleX(1)}}
.impact{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.03em;font-weight:300;font-size:clamp(1.7rem,4vw,3.2rem);line-height:1.22;text-align:center;max-width:24ch;margin:0 auto;color:#e7eef1}
.impact b{color:var(--dourado);font-weight:500}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media(prefers-reduced-motion:reduce){.scroll-cue .ln{animation:none}}

/* grid blueprint sutil de fundo */
.blueprint{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--linha) 1px,transparent 1px),linear-gradient(90deg,var(--linha) 1px,transparent 1px);background-size:64px 64px;opacity:.5;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%)}
.on-light .blueprint{background-image:linear-gradient(var(--linha-escura) 1px,transparent 1px),linear-gradient(90deg,var(--linha-escura) 1px,transparent 1px)}

/* números / stats */
.stat-num{font-family:var(--f-num);font-weight:600;font-size:clamp(2.8rem,6vw,5rem);line-height:.9;color:#fff;letter-spacing:-.01em}
.stat-num .u{color:var(--dourado)}
.on-light .stat-num{color:var(--azul)}
.stat-label{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;color:var(--ardosia);font-weight:400;margin-top:12px;line-height:1.4}

/* cards de frente/serviço */
.card{position:relative;border:1px solid var(--linha);padding:38px 32px 34px;background:linear-gradient(180deg,rgba(19,75,95,.14),rgba(19,75,95,0));transition:border-color .4s var(--ease-in),transform .5s var(--ease-in),background .4s;overflow:hidden}
.card:hover{border-color:rgba(176,137,43,.55);transform:translateY(-4px)}
.card .idx{font-family:var(--f-head);font-size:.72rem;letter-spacing:.2em;color:var(--dourado);font-weight:500}
.card h3{margin:22px 0 14px}
.card p{color:#b4c4cb;font-size:.98rem;line-height:1.6}
.card .card-arrow{position:absolute;top:34px;right:30px;color:var(--ardosia);transition:transform .4s var(--ease-in),color .4s}
.card:hover .card-arrow{color:var(--dourado);transform:translate(3px,-3px)}
.card ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:9px}
.card li{font-size:.86rem;color:#93a8b0;padding-left:18px;position:relative;letter-spacing:.01em}
.card li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:1px;background:var(--dourado)}
.card.feature{grid-column:span 2;background:linear-gradient(120deg,rgba(19,75,95,.35),rgba(19,75,95,.05))}
.card-cta{display:inline-block;margin-top:22px;font-family:var(--f-head);text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:500;color:var(--dourado-claro);transition:color .3s,letter-spacing .3s}
.card:hover .card-cta{color:#fff;letter-spacing:.2em}
.on-light .card-cta{color:var(--dourado)}
.on-light .card:hover .card-cta{color:var(--azul)}

/* média / imagem */
.media{position:relative;overflow:hidden;background:var(--medio)}
.media img{width:100%;height:100%;object-fit:cover}
.ph{position:relative;background:linear-gradient(150deg,var(--medio),var(--azul));display:flex;align-items:flex-end;padding:22px;min-height:100%;border:1px solid var(--linha)}
.ph::after{content:attr(data-label);font-family:var(--f-head);text-transform:uppercase;letter-spacing:.18em;font-size:.66rem;color:rgba(237,244,246,.55)}
.ph .ph-mark{position:absolute;top:20px;right:20px;width:34px;opacity:.5}
.cap{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.16em;font-size:.66rem;color:var(--ardosia);margin-top:14px;display:flex;gap:14px}
.cap .code{color:var(--dourado)}

/* footer */
.foot{background:var(--azul);color:#c3d3d9;padding:clamp(70px,9vh,120px) 0 40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;align-items:start}
.foot h4{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;color:var(--dourado-claro);font-weight:500;margin-bottom:20px}
.foot a{display:block;color:#b7c8cf;padding:6px 0;font-size:.95rem;transition:color .25s}
.foot a:hover{color:#fff}
.foot-logo img{height:57px;margin-bottom:22px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:60px;padding-top:26px;border-top:1px solid rgba(237,244,246,.12);font-size:.78rem;color:#7f97a0}

/* reveal (motion) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-in),transform .7s var(--ease-in)}
.reveal.in{opacity:1;transform:none}
.reveal-l{opacity:0;transform:translateX(-24px);transition:opacity .8s var(--ease-in),transform .8s var(--ease-in)}
.reveal-l.in{opacity:1;transform:none}
[data-stagger]>*{opacity:0;transform:translateY(18px)}
[data-stagger].in>*{opacity:1;transform:none;transition:opacity .65s var(--ease-in),transform .65s var(--ease-in)}
.draw-rule{transform:scaleX(0)}
.draw-rule.in{transform:scaleX(1);transition:transform .55s var(--ease-in)}

/* grids util */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.split.narrow{grid-template-columns:1.05fr .95fr}

@media(max-width:900px){
  :root{--mx:20px}
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .nav-menu.open{display:flex;position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;background:var(--azul);padding:8px 20px 24px;border-bottom:1px solid var(--linha)}
  .nav-menu.open a{padding:16px 0;border-bottom:1px solid var(--linha);width:100%;font-size:1rem}
  .split,.g-2,.g-3,.g-4{grid-template-columns:1fr}
  .card.feature{grid-column:auto}
  .foot-grid{grid-template-columns:1fr;gap:36px}
  h1{font-size:clamp(2.4rem,10vw,3.4rem)}
}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal-l,[data-stagger]>*,.draw-rule{opacity:1!important;transform:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ---- Galeria horizontal (disciplinas) ---- */
.hstage{position:relative}
.htrack{display:flex;align-items:stretch}
.hpanel{flex:0 0 auto;width:min(78vw,1000px);min-height:100vh;display:flex;align-items:center;padding:0 clamp(30px,5vw,80px);border-right:1px solid var(--linha)}
.hpanel:first-child{padding-left:var(--mx)}
.hpanel-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:center;width:100%}
.hcode{font-family:var(--f-head);letter-spacing:.24em;font-size:.72rem;color:var(--dourado);font-weight:500}
.hpanel h2{margin:20px 0 0;font-size:clamp(1.8rem,3vw,2.9rem)}
.hpanel .disc-svg{width:100%;height:auto;max-height:60vh}
.hpanel ul{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:12px}
.hpanel li{position:relative;padding-left:22px;color:#b4c4cb;font-size:.98rem}
.hpanel li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:1px;background:var(--dourado)}
.hprogress{position:absolute;left:var(--mx);right:var(--mx);bottom:34px;height:1px;background:var(--linha);z-index:5}
.hprogress i{display:block;height:100%;background:var(--dourado);width:16%}
.hhint{position:absolute;right:var(--mx);bottom:46px;z-index:5}
@media(max-width:900px){
  .hpanel{width:100%;min-height:auto;padding:60px var(--mx);border-right:none;border-bottom:1px solid var(--linha)}
  .htrack{flex-direction:column}
  .hpanel-inner{grid-template-columns:1fr;gap:32px}
  .hprogress,.hhint{display:none}
}

/* ---- Filtro ---- */
.filter{display:inline-flex;flex-wrap:wrap;gap:8px;border:1px solid var(--linha-escura);padding:6px}
.on-light .filter{border-color:var(--linha-escura)}
.filter button{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;font-weight:500;padding:12px 20px;background:transparent;border:none;color:inherit;cursor:pointer;transition:background .3s,color .3s;opacity:.6}
.filter button[aria-current]{background:var(--azul);color:#fff;opacity:1}
.on-light .filter button[aria-current]{background:var(--azul);color:#fff}

/* ---- Formulário ---- */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.field label{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.16em;font-size:.68rem;color:var(--ardosia);font-weight:500}
.field input,.field select,.field textarea{background:rgba(19,75,95,.16);border:1px solid var(--linha);color:#fff;font-family:var(--f-body);font-size:1rem;padding:14px 16px;transition:border-color .3s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--dourado)}
.field textarea{resize:vertical;min-height:130px}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--dourado) 50%),linear-gradient(135deg,var(--dourado) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:900px){.field-2{grid-template-columns:1fr;gap:0}}

/* ---- clientes ---- */
.clients-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#e7edee;border:1px solid #e7edee}
.logo-tile{background:#fff;aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;padding:24px}
.logo-tile img{max-width:100%;max-height:58px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.62;transition:filter .45s var(--ease-in),opacity .45s var(--ease-in)}
.logo-tile.lg img{max-height:92px}
.logo-tile:hover img{filter:none;opacity:1}
.on-light .clients-grid{background:var(--linha-escura);border-color:var(--linha-escura)}
@media(max-width:1080px){.clients-grid{grid-template-columns:repeat(2,1fr)}}

/* ---- foto: marca d'água do símbolo ---- */
.media .mark-corner{position:absolute;top:18px;right:18px;width:34px;opacity:.85;z-index:2}
.media .cap-over{position:absolute;left:0;right:0;bottom:0;padding:20px 22px;background:linear-gradient(0deg,rgba(12,43,56,.82),transparent);font-family:var(--f-head);text-transform:uppercase;letter-spacing:.16em;font-size:.68rem;color:#dbe6ea;z-index:2}

/* ---- método premium (linha do tempo) ---- */
.method{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.method::before{content:"";position:absolute;left:6px;right:6px;top:26px;height:1px;background:linear-gradient(90deg,var(--dourado) 60%,rgba(176,137,43,.12))}
.phase{position:relative;padding:0 26px 0 0}
.phase .dot{width:11px;height:11px;border-radius:50%;background:var(--petroleo);border:1px solid var(--dourado);position:absolute;top:21px;left:0;box-shadow:0 0 0 5px var(--petroleo)}
.phase .dot::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--dourado)}
.phase .pn{font-family:var(--f-head);letter-spacing:.2em;font-size:.72rem;color:var(--dourado);font-weight:500;display:block;padding-top:52px}
.phase .pt{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.08em;font-size:1.15rem;margin:14px 0 12px;color:#fff;line-height:1.1}
.phase p{font-size:.92rem;color:#a7bbc3;line-height:1.6;max-width:28ch}
.on-light .phase .pt{color:var(--azul)}.on-light .phase p{color:#37505b}
@media(max-width:900px){.method{grid-template-columns:1fr;gap:6px}.method::before{left:5px;right:auto;top:6px;bottom:6px;width:1px;height:auto}.phase{padding:14px 0 20px 40px}.phase .dot{top:20px;left:0}.phase .pn{padding-top:0}}

/* ---- passos do método ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--linha);border:1px solid var(--linha)}
.step{background:var(--petroleo);padding:34px 28px;position:relative}
.step .st-i{font-family:var(--f-head);font-size:.72rem;letter-spacing:.2em;color:var(--dourado);font-weight:500}
.step h3{margin:16px 0 12px;font-size:1.1rem}
.step p{font-size:.9rem;color:#a1b5bd;line-height:1.55}
.step .st-arrow{position:absolute;top:34px;right:-1px;color:var(--ardosia);z-index:2;background:var(--petroleo);padding:0 6px}
@media(max-width:900px){.steps{grid-template-columns:1fr}.step .st-arrow{display:none}}