:root{
  --orange:#e77d0a;
  --orange-dark:#be6100;
  --ink:#121212;
  --ink-soft:#242424;
  --muted:#6f6f6f;
  --paper:#f2f0eb;
  --surface:#ffffff;
  --line:rgba(18,18,18,.14);
  --line-light:rgba(255,255,255,.16);
  --green:#168b48;
  --green-dark:#0f6f39;
  --radius:18px;
  --radius-sm:10px;
  --container:1240px;
}

*{font-family: "Inter", Arial, sans-serif;box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);overflow-x:hidden;text-rendering:optimizeLegibility;padding-top:18px}
body,button,input,select,textarea{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer}
img,video{max-width:100%;display:block}
.svg-sprite{position:absolute;display:none}
.ico{width:18px;height:18px;display:inline-block;flex:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;fill:none}
.ico-fill{fill:currentColor;stroke:none}
:focus-visible{outline:3px solid rgba(231,125,10,.36);outline-offset:4px}
.container{width:min(var(--container),92%);margin-inline:auto}

.site-header{position:sticky;top:14px;z-index:100;width:min(var(--container),calc(100% - 40px));margin:0 auto;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border:1px solid rgba(18,18,18,.1);border-radius:24px}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:34px;width:min(calc(var(--container) - 44px),calc(100% - 32px));margin-inline:auto}
.brand-logo{width:204px;height:auto;object-fit:contain}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto;font-size:13px;font-weight:700;color:#4a4a4a}
.nav-menu a{position:relative;padding:8px 0}
.nav-menu a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:1px;background:var(--ink);transition:right .25s ease}
.nav-menu a:hover:after{right:0}
.nav-cta{display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--ink);padding:9px 0;font-size:13px;font-weight:800;transition:color .2s ease,border-color .2s ease}
.nav-cta:hover{color:var(--orange);border-color:var(--orange)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:50%;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{width:18px;height:1.5px;background:var(--ink)}

.kicker{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:24px}
.kicker-light{color:#f7a64d}

.hero{min-height:calc(100vh - 104px);display:flex;align-items:center;padding:92px 0 110px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:580px;height:580px;border-radius:50%;background:rgba(231,125,10,.08);filter:blur(20px);right:-180px;top:-120px;pointer-events:none;animation:heroDrift 14s ease-in-out infinite alternate}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(390px,.68fr);gap:84px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(58px,7.6vw,112px);line-height:.86;letter-spacing:-.078em;font-weight:900;max-width:920px}
.hero h1 em,.visual-copy h2 em,.process-heading h2 em,.fck-intro h2 em{font-style:normal;color:var(--orange)}
.hero-lead{font-size:clamp(17px,1.5vw,21px);line-height:1.65;color:#4e4e4e;max-width:650px;margin-top:38px}
.hero-actions{display:flex;align-items:center;gap:28px;margin-top:38px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;border:1px solid transparent;border-radius:999px;padding:0 22px;font-weight:800;font-size:14px;box-shadow:none;transition:background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease,transform .2s ease}
.btn .ico,.nav-cta .ico,.text-link .ico,.floating-whatsapp .ico{transition:transform .2s ease}
.btn:hover{transform:translateY(-3px)}
.btn:hover .ico,.nav-cta:hover .ico,.text-link:hover .ico{transform:translateX(4px) scale(1.08)}
.btn-primary{background:var(--orange);color:white}
.btn-primary:hover{background:var(--orange-dark);filter:saturate(1.04)}
.btn-whatsapp{background:var(--green);color:#fff}
.btn-whatsapp:hover{background:var(--green-dark);filter:saturate(1.04)}
.btn-light{background:#fff;color:var(--ink);padding-inline:26px}
.btn-light:hover{background:#f4f4f4}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:800;border-bottom:1px solid var(--ink);padding:10px 0;transition:color .2s ease,border-color .2s ease}
.text-link:hover{color:var(--orange);border-color:var(--orange)}
.hero-facts{display:flex;gap:24px;flex-wrap:wrap;margin-top:52px;padding-top:24px;border-top:1px solid var(--line);max-width:680px}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:750;color:#4f4f4f}
.hero-facts .ico{width:16px;height:16px;color:var(--orange);stroke-width:1.8}

.quote-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:34px;border:1px solid rgba(255,255,255,.08)}
.quote-panel-soft{background:rgba(255,255,255,.76);color:var(--ink);border-color:rgba(18,18,18,.12);backdrop-filter:blur(16px)}
.quote-panel-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:28px}
.quote-panel-head>span{font-size:12px;font-weight:800;color:#999;padding-top:5px}
.quote-panel-head small{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#9c9c9c;margin-bottom:6px}
.quote-panel-head h2{font-size:30px;line-height:1;letter-spacing:-.04em}
.quote-panel-soft .quote-panel-head small{color:var(--orange)}
.quote-panel-soft .quote-panel-head h2{font-size:34px;line-height:.96}
.mini-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.full{grid-column:1/-1}
.field{display:grid;gap:8px}
.field label{font-size:10px;text-transform:uppercase;letter-spacing:.13em;font-weight:800;color:#8a8a8a}
input,select,textarea{width:100%;min-height:49px;border:0;border-bottom:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;border-radius:0;padding:10px 2px;outline:none}
select option{color:#111}
input::placeholder{color:#7f7f7f}
input:focus,select:focus,textarea:focus{border-color:var(--orange)}
.quote-panel .btn{margin-top:10px}
.quote-note{font-size:12px;line-height:1.55;color:#989898;margin-top:18px}
.quote-panel-soft .field label{color:#696969}
.quote-panel-soft input,.quote-panel-soft select{color:var(--ink);border-bottom-color:rgba(18,18,18,.22)}
.quote-panel-soft input::placeholder{color:#9a9a9a}
.quote-panel-soft .quote-note{color:#5f5f5f}

.trust-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-grid>div{padding:30px 26px;border-right:1px solid var(--line)}
.trust-grid>div:first-child{padding-left:0}
.trust-grid>div:last-child{border-right:0}
.trust-grid b{display:block;font-size:14px;margin-bottom:6px}
.trust-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.45}

.visual-statement{min-height:780px;position:relative;display:flex;align-items:flex-end;background:#0f0f0f;color:#fff;overflow:hidden}
.visual-media{position:absolute;inset:0}
.visual-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.84) 84%)}
.visual-media video{width:100%;height:100%;object-fit:cover}
.visual-copy{position:relative;z-index:2;padding-bottom:90px}
.visual-copy h2{font-size:clamp(48px,7vw,96px);line-height:.92;letter-spacing:-.065em;max-width:1050px}
.visual-copy p{font-size:18px;line-height:1.65;color:#d3d3d3;max-width:650px;margin-top:30px}

.editorial-section{padding:150px 0;background:var(--paper)}
.editorial-grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:120px;align-items:start}
.editorial-intro{position:sticky;top:130px}
.editorial-intro h2,.section-title-row h2,.faq-intro h2{font-size:clamp(48px,6vw,82px);line-height:.93;letter-spacing:-.062em}
.editorial-intro p,.faq-intro p{font-size:17px;line-height:1.65;color:var(--muted);max-width:420px;margin-top:24px}
.service-list{border-top:1px solid var(--line)}
.service-row{display:grid;grid-template-columns:54px 1fr;gap:28px;padding:38px 0;border-bottom:1px solid var(--line)}
.service-row h3,.service-row p{transition:color .2s ease}
.service-row:hover h3{color:var(--orange)}
.service-row>span{font-size:12px;font-weight:800;color:#8d8d8d;padding-top:7px}
.service-row h3{font-size:clamp(30px,3vw,45px);line-height:1;letter-spacing:-.045em;margin-bottom:12px}
.service-row p{font-size:15px;line-height:1.65;color:var(--muted);max-width:610px}

.process-section{padding:140px 0;background:var(--ink);color:#fff}
.process-heading h2{font-size:clamp(52px,7vw,92px);line-height:.9;letter-spacing:-.065em;max-width:900px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:92px;border-top:1px solid var(--line-light)}
.process-grid article{padding:30px 28px 0;border-right:1px solid var(--line-light);min-height:220px}
.process-grid article{transition:background-color .2s ease}
.process-grid article:hover{background:rgba(255,255,255,.035)}
.process-grid article:not(:first-child){padding-left:28px}
.process-grid article:last-child{border-right:0}
.process-grid span{display:block;font-size:11px;letter-spacing:.12em;color:#858585;margin-bottom:60px}
.process-grid h3{font-size:23px;letter-spacing:-.035em;margin-bottom:12px}
.process-grid p{font-size:14px;line-height:1.6;color:#bdbdbd}

.calculator-section{padding:150px 0;background:#fff}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:64px}
.section-title-row p{max-width:480px;color:var(--muted);line-height:1.65;font-size:16px}
.calculator-shell{display:grid;grid-template-columns:1fr .82fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.calculator-form{padding:54px;background:#faf9f6}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 24px}
.calculator-form input,.calculator-form select{color:var(--ink);border-bottom-color:rgba(18,18,18,.22)}
.calculator-form input::placeholder{color:#aaa}
.calculator-form .field label{color:#6f6f6f}
.formula-note{display:flex;align-items:center;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:#6a6a6a;font-weight:600}
.calculator-result{padding:54px;background:var(--orange);color:#fff;display:flex;flex-direction:column}
.result-label{font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:rgba(255,255,255,.74)}
.result-value{display:flex;align-items:flex-end;gap:12px;margin:24px 0 42px}
.result-value strong{font-size:clamp(76px,9vw,128px);line-height:.76;letter-spacing:-.08em}
.result-value small{font-size:26px;font-weight:800;padding-bottom:8px}
.result-data{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.28);margin-bottom:34px}
.result-data div{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.28);font-size:13px}
.result-data span{color:rgba(255,255,255,.72)}
.calculator-result .btn{margin-top:auto;align-self:flex-start;background:#fff;color:var(--ink)}

.fck-section{padding:150px 0;background:var(--paper)}
.fck-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:110px;align-items:start}
.fck-intro{position:sticky;top:130px}
.fck-intro h2{font-size:clamp(50px,6vw,84px);line-height:.9;letter-spacing:-.065em}
.fck-intro>p{font-size:17px;line-height:1.65;color:var(--muted);max-width:480px;margin-top:28px}
.technical-callout{display:flex;gap:12px;align-items:flex-start;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);max-width:480px;font-size:13px;line-height:1.55;color:#4f4f4f;font-weight:650}
.technical-callout .ico{color:var(--orange);margin-top:2px}
.fck-list{border-top:1px solid var(--line)}
.fck-list>div{display:grid;grid-template-columns:130px 1fr;gap:28px;padding:25px 0;border-bottom:1px solid var(--line)}
.fck-list b{font-size:20px;letter-spacing:-.03em}
.fck-list span{color:var(--muted);font-size:14px;line-height:1.55}

.faq-section{padding:150px 0;background:#fff}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:120px;align-items:start}
.faq-intro{position:sticky;top:130px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);transition:background-color .2s ease}
.faq-list details:hover{background:rgba(18,18,18,.025)}
.faq-list summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:28px 0;font-size:20px;font-weight:750;letter-spacing:-.025em;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{font-size:26px;font-weight:400;transition:transform .2s ease}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list p{max-width:700px;color:var(--muted);line-height:1.65;padding:0 54px 28px 0}

.final-cta{padding:130px 0;background:var(--orange);color:#fff;text-align:center}
.final-cta-inner{display:flex;flex-direction:column;align-items:center}
.final-cta h2{font-size:clamp(64px,9vw,138px);line-height:.83;letter-spacing:-.08em}
.final-cta p{font-size:18px;line-height:1.65;max-width:650px;margin:32px 0;color:rgba(255,255,255,.84)}

footer{background:#0d0d0d;color:#fff;padding:58px 0 30px;width:min(var(--container),calc(100% - 40px));margin:34px auto 20px;border-radius:28px;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:58px}
.footer-logo{width:205px;height:auto;margin-bottom:24px;object-fit:contain}
.footer-brand p{max-width:340px}
footer h3{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:#777;margin-bottom:20px}
footer p,footer a{display:block;color:#aaa;font-size:13px;line-height:1.8}
footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:30px;border-top:1px solid rgba(255,255,255,.12);padding-top:28px;margin-top:58px;color:#666;font-size:11px}
.floating-whatsapp{position:fixed;right:22px;bottom:22px;z-index:70;display:inline-flex;align-items:center;gap:10px;background:var(--green);color:#fff;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:13px 18px;font-size:13px;font-weight:800;box-shadow:none;transition:background .2s ease,border-color .2s ease}
.floating-whatsapp:hover{background:var(--green-dark);border-color:rgba(255,255,255,.38)}
.floating-whatsapp:hover .ico{transform:scale(1.1)}

@keyframes heroDrift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-42px,36px,0) scale(1.04)}
}

.legal-section{padding:110px 0 130px;background:var(--paper)}
.legal-card{max-width:880px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:58px}
.legal-card h1{font-size:clamp(46px,6vw,76px);line-height:.92;letter-spacing:-.06em;margin-bottom:30px}
.legal-card h2{font-size:23px;letter-spacing:-.035em;margin:34px 0 10px}
.legal-card p{color:var(--muted);font-size:16px;line-height:1.75;max-width:760px}
.legal-card p + p{margin-top:14px}

@media(max-width:1050px){
  .hero-grid,.editorial-grid,.fck-layout,.faq-layout{grid-template-columns:1fr;gap:64px}
  .hero{min-height:auto}
  .quote-panel{max-width:700px}
  .editorial-intro,.fck-intro,.faq-intro{position:static}
  .process-grid{grid-template-columns:repeat(2,1fr);row-gap:46px}
  .process-grid article:nth-child(2){border-right:0}
  .calculator-shell{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid>div:nth-child(2){border-right:0}
  .trust-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .trust-grid>div:first-child,.trust-grid>div:nth-child(3){padding-left:0}
}

@media(max-width:900px){
  body{padding-top:10px}
  .site-header{top:10px;width:min(100% - 20px,var(--container));border-radius:18px}
  .nav{height:auto;min-height:64px;flex-wrap:wrap;padding:10px 0;width:min(100% - 24px,var(--container))}
  .brand-logo{width:174px}
  .menu-toggle{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-menu{display:none;width:100%;order:3;flex-direction:column;align-items:flex-start;gap:0;border-top:1px solid var(--line);padding-top:10px}
  .nav-menu.is-open{display:flex}
  .nav-menu a{width:100%;padding:14px 0}
  .legal-nav{display:flex}
  .hero{padding:70px 0 88px}
  .hero-grid{gap:54px}
  .visual-statement{min-height:680px}
  .visual-copy{padding-bottom:60px}
  .section-title-row{align-items:flex-start;flex-direction:column;gap:20px}
  .editorial-section,.calculator-section,.fck-section,.faq-section{padding:100px 0}
  .process-section{padding:100px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:640px){
  body{padding-top:8px}
  .container{width:min(100% - 34px,var(--container))}
  .hero h1{font-size:54px;line-height:.9;letter-spacing:-.06em}
  .hero-lead{font-size:16px;margin-top:28px}
  .hero-actions{align-items:stretch;flex-direction:column;gap:16px}
  .hero-actions .btn{width:100%}
  .text-link{align-self:flex-start}
  .hero-facts{display:grid;grid-template-columns:1fr;gap:10px;margin-top:34px}
  .quote-panel{padding:24px}
  .mini-form,.form-grid{grid-template-columns:1fr}
  .full{grid-column:auto}
  .trust-grid{grid-template-columns:1fr}
  .trust-grid>div,.trust-grid>div:first-child,.trust-grid>div:nth-child(3){padding:22px 0;border-right:0;border-bottom:1px solid var(--line)}
  .trust-grid>div:last-child{border-bottom:0}
  .visual-statement{min-height:600px}
  .visual-copy h2,.process-heading h2,.fck-intro h2{font-size:46px}
  .visual-copy p{font-size:15px}
  .editorial-intro h2,.section-title-row h2,.faq-intro h2{font-size:46px}
  .service-row{grid-template-columns:38px 1fr;gap:16px;padding:28px 0}
  .service-row h3{font-size:31px}
  .process-grid{grid-template-columns:1fr;margin-top:58px}
  .process-grid article,.process-grid article:not(:first-child){padding:26px 0;border-right:0;border-bottom:1px solid var(--line-light);min-height:auto}
  .process-grid span{margin-bottom:26px}
  .calculator-form,.calculator-result{padding:28px 22px}
  .result-value strong{font-size:86px}
  .calculator-result .btn{width:100%}
  .fck-list>div{grid-template-columns:1fr;gap:8px}
  .faq-list summary{font-size:17px;padding:22px 0}
  .faq-list p{padding-right:0}
  .final-cta{padding:96px 0}
  .final-cta h2{font-size:68px}
  .final-cta .btn{width:100%}
  footer{width:min(100% - 18px,var(--container));margin-top:24px;margin-bottom:10px;border-radius:20px;padding-top:42px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column}
  .legal-section{padding:70px 0 90px}
  .legal-card{padding:28px}
  .legal-card h1{font-size:44px}
  .floating-whatsapp{left:16px;right:16px;bottom:12px;justify-content:center}
  body{padding-bottom:70px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms;animation-iteration-count:1;transition-duration:.01ms}
  .visual-media video{display:none}
  .visual-media{background:url('../img/hero-concreto.webp') center/cover}
}