/* =========================================================
   WERD Energia — estilos do site
   ========================================================= */

/* ---------- Fontes (auto-hospedadas) ---------- */
@font-face{font-family:"Montserrat";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/montserrat-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/montserrat-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/montserrat-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/montserrat-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-style:normal;font-weight:800;font-display:swap;src:url("../fonts/montserrat-latin-800-normal.woff2") format("woff2")}

/* ---------- Tokens ---------- */
:root{
  --green:#01731E;
  --green-hover:#015A17;
  --green-dark:#0A2E17;
  --green-tint:#E6F0E6;
  --sun:#F2B230;
  --sun-hover:#E3A31F;
  --ink:#0F1F14;
  --text:#333333;
  --text-2:#45504A;
  --muted:#5B6660;
  --on-dark:#C9DCCD;
  --ground:#F5F7F2;
  --surface:#FFFFFF;
  --line:#E4E9E2;
  --field:#D5DDD3;

  --radius-sm:12px;
  --radius:20px;
  --radius-lg:28px;
  --shadow:0 24px 60px rgba(10,46,23,.12);
  --container:1280px;
  --gutter:80px;
  --header-h:88px;
  --font:"Montserrat",Arial,Helvetica,sans-serif;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--ground);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-hover)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:6px}
svg{flex-shrink:0}

.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:120px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:200;padding:12px 18px;background:var(--green);color:#fff;border-radius:10px;font-weight:700}
.skip-link:focus{top:12px;color:#fff}

/* ---------- Tipografia utilitária ---------- */
.eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}
.eyebrow--sun{color:var(--sun)}
.eyebrow--muted{color:var(--muted)}
.h2{font-size:clamp(30px,3.4vw,46px);line-height:1.1;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.h2--light{color:#fff}
.lead{font-size:17px;line-height:1.65;color:var(--muted)}
.text-green{color:var(--green)}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:56px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;font-size:16px;font-weight:700;line-height:1;cursor:pointer;white-space:nowrap;transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s}
.btn svg{transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:var(--green);color:#fff}
.btn--primary:hover{background:var(--green-hover);color:#fff}
.btn--outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--outline:hover{background:var(--ink);color:#fff}
.btn--sun{background:var(--sun);color:#1A1A1A;font-weight:800}
.btn--sun:hover{background:var(--sun-hover);color:#1A1A1A}
.btn--sm{height:48px;padding:0 24px;font-size:15px}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700}
.link-arrow svg{transition:transform .2s}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:100;height:var(--header-h);background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.header.is-scrolled{box-shadow:0 8px 30px rgba(10,46,23,.08)}
.header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.header__logo img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:36px}
.nav__link{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:6px 0}
.nav__link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav__link:hover,.nav__link.is-active{color:var(--green)}
.nav__link.is-active{font-weight:700}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__cta-mobile{display:none}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;justify-content:center;cursor:pointer}
.menu-toggle__close{display:none}
.menu-toggle[aria-expanded="true"] .menu-toggle__open{display:none}
.menu-toggle[aria-expanded="true"] .menu-toggle__close{display:block}

/* ---------- Hero ---------- */
.hero{padding-block:72px 88px}
.hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 600px;gap:64px;align-items:center}
.hero__content{display:flex;flex-direction:column;gap:28px}
.badge{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 10px;background:var(--green-tint);border-radius:999px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.02em}
.badge__icon{width:24px;height:24px;border-radius:999px;background:var(--green);display:flex;align-items:center;justify-content:center}
.hero__title{font-size:clamp(36px,4.4vw,62px);line-height:1.04;font-weight:800;letter-spacing:-.025em;color:var(--ink)}
.hero__text{font-size:19px;line-height:1.6;color:var(--text-2);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}
.checks{display:flex;flex-wrap:wrap;gap:12px 28px;padding-top:8px}
.checks li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text)}

.hero__visual{position:relative;height:620px}
.hero__image{position:absolute;top:0;right:0;width:540px;height:540px;border-radius:var(--radius-lg);overflow:hidden}
.hero__image img{width:100%;height:100%;object-fit:cover}

/* Card "a ponte" */
.bridge{position:absolute;left:0;bottom:0;width:440px;padding:28px;background:#fff;border-radius:22px;box-shadow:0 24px 60px rgba(10,46,23,.16);display:flex;flex-direction:column;gap:20px}
.bridge__head{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:700}
.bridge__head span:first-child{letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.bridge__head span:last-child{color:var(--green)}
.bridge__diagram{position:relative;height:150px}
.bridge__arch{position:absolute;left:36px;right:36px;top:34px;height:86px;border:2.5px solid var(--green);border-bottom:none;border-radius:180px 180px 0 0}
.bridge__deck{position:absolute;left:36px;right:36px;top:118px;height:2.5px;background:var(--green)}
.bridge__arch,.bridge__deck{transform-origin:center bottom}
.bridge__tag{position:absolute;left:50%;top:18px;transform:translateX(-50%);padding:7px 16px;background:var(--green);color:#fff;border-radius:999px;font-size:13px;font-weight:800;letter-spacing:.06em}
.bridge__node{position:absolute;top:92px;width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center}
.bridge__node--from{left:10px;background:var(--green-tint);border:2px solid var(--green)}
.bridge__node--to{right:10px;background:var(--green)}
.bridge__labels{display:flex;justify-content:space-between;gap:16px;margin-top:-4px}
.bridge__labels div{display:flex;flex-direction:column;gap:4px;max-width:160px}
.bridge__labels div:last-child{text-align:right}
.bridge__labels strong{font-size:15px;font-weight:800;color:var(--ink)}
.bridge__labels span{font-size:12.5px;line-height:1.45;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding-top:16px;border-top:1px solid var(--line)}
.chips li{padding:6px 12px;border-radius:999px;background:#F2F5F0;font-size:12.5px;font-weight:600;color:#1B231E}
.chips li.is-key{background:var(--green-tint);color:var(--green);font-weight:700}

/* ---------- Destaques ---------- */
.highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;padding:36px 44px;background:#fff;border:1px solid var(--line);border-radius:22px}
.highlight{display:flex;gap:18px;align-items:flex-start}
.highlight h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}
.highlight p{font-size:14.5px;line-height:1.55;color:var(--muted)}
.icon-tile{width:48px;height:48px;flex-shrink:0;border-radius:14px;background:var(--green-tint);display:flex;align-items:center;justify-content:center;color:var(--green)}
.icon-tile--lg{width:52px;height:52px;border-radius:15px}
.icon-tile--solid{background:var(--green);color:#fff}
.icon-tile--sun{background:var(--sun);color:#1A1A1A}

/* ---------- Seção: cabeçalho dividido ---------- */
.split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:64px;margin-bottom:64px}
.split-head__title{display:flex;flex-direction:column;gap:18px;max-width:720px}
.split-head .lead{max-width:460px}
.center-head{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;margin-bottom:56px}
.center-head .h2{max-width:860px}
.center-head .lead{max-width:640px}

/* ---------- Como funciona ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-bottom:20px;counter-reset:step}
.step{padding:32px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;gap:16px}
.step__top{display:flex;justify-content:space-between;align-items:center}
.step__num{font-size:40px;font-weight:800;letter-spacing:-.02em;color:#CFDCCD;line-height:1}
.pill{padding:5px 11px;border-radius:999px;background:var(--green-tint);color:var(--green);font-size:12px;font-weight:700}
.step h3{font-size:19px;line-height:1.3;font-weight:700;color:var(--ink)}
.step p{font-size:14.5px;line-height:1.6;color:var(--muted)}
.step--you{background:var(--green);border-color:var(--green)}
.step--you .step__num{color:rgba(255,255,255,.35)}
.step--you .pill{background:var(--sun);color:#1A1A1A;font-weight:800}
.step--you h3{color:#fff}
.step--you p{color:#E1EEE3}

.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare__card{padding:40px;border-radius:22px;display:flex;flex-direction:column;gap:24px}
.compare__card h3{font-size:24px;line-height:1.3;font-weight:700}
.compare__card--old{background:#EEF1EC}
.compare__card--old h3{color:var(--text)}
.compare__card--new{background:var(--green-dark)}
.compare__card--new h3{color:#fff}
.compare__list{display:flex;flex-direction:column;gap:14px}
.compare__list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.5}
.compare__list svg{margin-top:2px}
.compare__card--old li{color:var(--text-2)}
.compare__card--new li{color:#E1EEE3}

/* ---------- Sobre ---------- */
.about{background:#fff}
.about__grid{display:grid;grid-template-columns:560px minmax(0,1fr);gap:80px;align-items:center}
.about__media{position:relative}
.about__media img{width:100%;height:600px;object-fit:cover;border-radius:var(--radius-lg)}
.seal{position:absolute;top:32px;right:-28px;padding:18px 22px;background:var(--green);color:#fff;border-radius:18px;box-shadow:0 18px 40px rgba(10,46,23,.2);display:flex;align-items:center;gap:12px;font-size:15px;font-weight:700}
.about__content{display:flex;flex-direction:column;gap:24px}
.about__content p{font-size:17px;line-height:1.7;color:var(--text-2)}
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding-top:8px}
.pillar{padding:22px;border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;gap:8px}
.pillar strong{font-size:15px;font-weight:700;color:var(--ink)}
.pillar span{font-size:13.5px;line-height:1.5;color:var(--muted)}

/* ---------- Serviços ---------- */
.services{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.service{padding:32px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;gap:16px;transition:transform .25s,box-shadow .25s,border-color .25s}
.service:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,46,23,.10)}
.service--featured{border:1.5px solid var(--green)}
.service__top{display:flex;justify-content:space-between;align-items:flex-start}
.service__badge{padding:5px 10px;border-radius:999px;background:var(--green-tint);color:var(--green);font-size:11.5px;font-weight:700}
.service h3{font-size:19px;line-height:1.3;font-weight:700;color:var(--ink)}
.service p{font-size:14.5px;line-height:1.6;color:var(--muted);flex-grow:1}
.service .link-arrow{font-size:14.5px}
.service--cta{background:var(--green-dark);border-color:var(--green-dark)}
.service--cta:hover{transform:none;box-shadow:none}
.service--cta h3{font-size:21px;color:#fff}
.service--cta p{color:var(--on-dark)}

/* ---------- Diferenciais ---------- */
.diffs{background:var(--green-dark)}
.diffs__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.14)}
.diff{padding:36px 32px 0;display:flex;flex-direction:column;gap:14px;border-left:1px solid rgba(255,255,255,.14)}
.diff:first-child{padding-left:0;border-left:none}
.diff:last-child{padding-right:0}
.diff__num{font-size:14px;font-weight:800;color:var(--sun)}
.diff h3{font-size:20px;font-weight:700;color:#fff}
.diff p{font-size:15px;line-height:1.6;color:var(--on-dark)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:64px}
.stat{padding:28px;background:rgba(255,255,255,.06);border-radius:18px;display:flex;flex-direction:column;gap:6px}
.stat strong{font-size:44px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.1}
.stat span{font-size:14px;font-weight:600;color:var(--on-dark)}

/* ---------- Banner ---------- */
.cta-banner{padding-top:96px}
.cta-banner__box{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:72px 80px;display:flex;justify-content:space-between;align-items:center;gap:48px;background:var(--green-dark)}
.cta-banner__bg{position:absolute;inset:0;z-index:0}
.cta-banner__bg img{width:100%;height:100%;object-fit:cover}
.cta-banner__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,28,14,.92) 0%,rgba(6,28,14,.78) 55%,rgba(6,28,14,.45) 100%)}
.cta-banner__content,.cta-banner__box .btn{position:relative;z-index:1}
.cta-banner__content{display:flex;flex-direction:column;gap:16px;max-width:720px}
.cta-banner h2{font-size:clamp(26px,2.8vw,40px);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:#fff}
.cta-banner p{font-size:17px;line-height:1.6;color:#D6E4D9}
.cta-banner .btn{height:60px;font-size:17px;flex-shrink:0}

/* ---------- Contato ---------- */
.contact__grid{display:grid;grid-template-columns:minmax(0,1fr) 620px;gap:80px;align-items:flex-start}
.contact__info{display:flex;flex-direction:column;gap:24px;padding-top:8px}
.contact__info .lead{color:var(--text-2);max-width:480px}
.contact-list{display:flex;flex-direction:column;padding-top:16px}
.contact-item{display:flex;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-item:last-child{border-bottom:none}
.contact-item .icon-tile{width:44px;height:44px;border-radius:12px}
.contact-item small{display:block;font-size:13px;font-weight:600;color:var(--muted)}
.contact-item a,.contact-item span{font-size:16px;font-weight:700;color:var(--ink)}
.contact-item a:hover{color:var(--green)}

.form{padding:40px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 60px rgba(10,46,23,.08);display:flex;flex-direction:column;gap:20px}
.form h3{font-size:22px;font-weight:800;color:var(--ink)}
.form__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label,.field legend{font-size:13px;font-weight:600;color:#1B231E}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--field);border-radius:10px;background:#fff;font-size:15px;font-weight:500;color:#1B231E;transition:border-color .2s,box-shadow .2s}
.field textarea{height:96px;padding:12px 14px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#8A948E}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(1,115,30,.15)}
.field.has-error input{border-color:#B42318;box-shadow:0 0 0 3px rgba(180,35,24,.12)}
.field__error{display:none;font-size:12.5px;font-weight:600;color:#B42318}
.field.has-error .field__error{display:block}
fieldset.field{border:none;margin:0;padding:0}
fieldset.field legend{padding:0;margin-bottom:10px}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--field);border-radius:999px;font-size:13.5px;font-weight:600;color:var(--text);cursor:pointer;transition:background-color .2s,border-color .2s,color .2s}
.chip input{width:16px;height:16px;margin:0;accent-color:var(--green)}
.chip:has(input:checked){border-color:var(--green);background:var(--green-tint);color:var(--green)}
.form__note{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- Rodapé ---------- */
.footer{background:var(--green-dark);padding:72px 0 40px;color:var(--on-dark)}
.footer__top{display:flex;justify-content:space-between;gap:64px;margin-bottom:56px}
.footer__brand{display:flex;flex-direction:column;gap:20px;max-width:360px}
.footer__brand img{height:48px;width:auto;align-self:flex-start}
.footer__brand p{font-size:15px;line-height:1.6}
.footer__cols{display:flex;gap:96px}
.footer__col{display:flex;flex-direction:column;gap:14px}
.footer__col h4{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:2px}
.footer__col a{font-size:15px;color:var(--on-dark)}
.footer__col a:hover{color:#fff}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:#9FB8A5}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float{position:fixed;right:28px;bottom:28px;z-index:90;width:60px;height:60px;border-radius:999px;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(10,46,23,.3);transition:transform .2s}
.whatsapp-float:hover{transform:scale(1.06);color:#fff}

/* ---------- Animações de entrada ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.is-visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}.reveal-delay-2{transition-delay:.16s}.reveal-delay-3{transition-delay:.24s}
.bridge__arch,.bridge__deck{animation:none}
.js .bridge.is-visible .bridge__arch{animation:archUp 1s .2s ease both}
@keyframes archUp{from{transform:scaleY(0);opacity:0}to{transform:scaleY(1);opacity:1}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .js .bridge.is-visible .bridge__arch{animation:none}
  .btn,.service,.whatsapp-float{transition:none}
}

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width:1280px){
  :root{--gutter:48px}
  .hero__grid{grid-template-columns:minmax(0,1fr) 520px;gap:48px}
  .hero__visual{height:560px}
  .hero__image{width:470px;height:470px}
  .bridge{width:400px;padding:24px}
  .about__grid{grid-template-columns:480px minmax(0,1fr);gap:64px}
  .contact__grid{grid-template-columns:minmax(0,1fr) 560px;gap:56px}
  .services{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__cols{gap:56px}
}

@media (max-width:1080px){
  :root{--header-h:72px;--gutter:32px}
  .section{padding-block:96px}
  .header__logo img{height:38px}
  .header{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}
  .menu-toggle{display:inline-flex}
  .header__cta{display:none}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;gap:0;padding:16px var(--gutter) 32px;background:#fff;opacity:0;transform:translateY(-8px);visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s;overflow-y:auto}
  .nav.is-open{opacity:1;transform:none;visibility:visible}
  .nav__link{font-size:20px;font-weight:700;color:var(--ink);padding:18px 0;border-bottom:1px solid var(--line)}
  .nav__link::after{display:none}
  .nav__cta-mobile{display:inline-flex;margin-top:28px}
  body.menu-open{overflow:hidden}

  .hero{padding-block:48px 64px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__visual{height:auto;display:flex;flex-direction:column}
  .hero__image{position:relative;width:100%;height:420px}
  .bridge{position:relative;width:auto;max-width:480px;margin:-80px 24px 0}
  .highlights{grid-template-columns:1fr;gap:24px;padding:28px}
  .split-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:40px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare{grid-template-columns:1fr}
  .about__grid{grid-template-columns:1fr;gap:40px}
  .about__media img{height:460px}
  .seal{top:auto;right:auto;left:20px;bottom:20px}
  .diffs__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .diff{padding:28px 24px 28px 0;border-left:none;border-bottom:1px solid rgba(255,255,255,.14)}
  .diff:nth-child(even){padding-left:24px;border-left:1px solid rgba(255,255,255,.14)}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px}
  .cta-banner__box{flex-direction:column;align-items:flex-start;padding:56px 48px}
  .contact__grid{grid-template-columns:1fr;gap:48px}
  .footer__top{flex-direction:column;gap:40px}
}

@media (max-width:640px){
  :root{--gutter:16px;--header-h:68px}
  body{font-size:15px}
  .section{padding-block:64px}
  .header__logo img{height:34px}
  .hero{padding-block:32px 40px}
  .hero__content{gap:22px}
  .hero__text{font-size:16px}
  .hero__actions{flex-direction:column}
  .hero__actions .btn{width:100%}
  .checks{flex-direction:column;gap:10px}
  .hero__image{height:300px;border-radius:22px}
  .bridge{margin:-56px 12px 0;padding:20px;gap:14px}
  .bridge__diagram{height:112px}
  .bridge__arch{left:26px;right:26px;top:26px;height:64px;border-radius:140px 140px 0 0}
  .bridge__deck{left:26px;right:26px;top:88px}
  .bridge__tag{top:12px;font-size:12px;padding:6px 14px}
  .bridge__node{top:68px;width:44px;height:44px;border-radius:13px}
  .bridge__node--from{left:4px}.bridge__node--to{right:4px}
  .bridge__labels strong{font-size:14px}
  .bridge__labels span{font-size:12px}
  .chips li{font-size:12px;padding:5px 10px}
  .highlights{padding:24px 20px;gap:22px}
  .split-head,.center-head{margin-bottom:28px}
  .center-head{align-items:flex-start;text-align:left}
  .lead{font-size:15.5px}
  .steps{grid-template-columns:1fr;gap:12px;margin-bottom:12px}
  .step{padding:22px 20px;gap:10px}
  .step__num{font-size:30px}
  .compare{gap:12px}
  .compare__card{padding:26px 22px;gap:16px}
  .compare__card h3{font-size:19px}
  .compare__list li{font-size:14.5px}
  .about__media img{height:380px;border-radius:22px}
  .seal{left:14px;bottom:14px;padding:12px 16px;font-size:13.5px;border-radius:14px}
  .about__content p{font-size:15.5px}
  .pillars{grid-template-columns:1fr;gap:10px}
  .pillar{padding:16px 18px;gap:4px}
  .services{grid-template-columns:1fr;gap:12px}
  .service{padding:20px;flex-direction:row;flex-wrap:wrap;gap:6px 16px}
  .service .icon-tile{width:44px;height:44px}
  .service__top{width:auto}
  .service__body{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:6px}
  .service h3{font-size:16px}
  .service p{font-size:14px}
  .service__badge,.service .link-arrow{display:none}
  .service--cta{flex-direction:column}
  .service--cta .icon-tile{display:none}
  .service--cta h3{font-size:19px}
  .diffs__grid{grid-template-columns:1fr}
  .diff,.diff:nth-child(even){padding:20px 0;border-left:none;flex-direction:row;gap:16px}
  .diff__num{width:22px}
  .diff h3{font-size:17px;margin-bottom:6px}
  .diff p{font-size:14px}
  .diff>div{display:flex;flex-direction:column}
  .stats{gap:10px}
  .stat{padding:18px;border-radius:14px}
  .stat strong{font-size:30px}
  .stat span{font-size:13px}
  .cta-banner{padding-top:48px}
  .cta-banner__box{padding:40px 24px;border-radius:22px}
  .cta-banner__bg::after{background:linear-gradient(180deg,rgba(6,28,14,.72) 0%,rgba(6,28,14,.9) 100%)}
  .cta-banner .btn{width:100%;height:54px;font-size:15.5px;white-space:normal;text-align:center}
  .form{padding:24px 20px;border-radius:20px;box-shadow:none}
  .form__grid{grid-template-columns:1fr}
  .footer{padding:48px 0 32px}
  .footer__cols{flex-direction:column;gap:32px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .whatsapp-float{right:16px;bottom:16px;width:56px;height:56px}
}

/* ---------- Complementos de estrutura ---------- */
.service__body{display:flex;flex-direction:column;gap:16px;flex-grow:1}
.diff>div{display:flex;flex-direction:column;gap:14px}
@media (max-width:640px){
  .service__body{gap:6px}
  .diff>div{gap:6px}
}
@media (max-width:640px){
  .cta-banner .btn svg{display:none}
  .cta-banner .btn{white-space:nowrap}
}