@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root{--ink:#2b292b;--paper:#ded9d2;--cream:#ffffff;--sage:#671351;--lime:#671351;--line:rgba(43,41,43,.18);--serif:'Aileron','Inter',Arial,sans-serif;--sans:'Aileron','Inter',Arial,sans-serif;--pad:clamp(1.25rem,4vw,4.5rem)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55}a{color:inherit}button{font:inherit}.skip-link{position:fixed;left:1rem;top:-5rem;background:var(--lime);padding:.75rem 1rem;z-index:100}.skip-link:focus{top:1rem}.site-header{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:1rem var(--pad);transition:background .25s,border-color .25s;border-bottom:1px solid transparent}.site-header.scrolled{background:rgba(243,240,232,.92);backdrop-filter:blur(12px);border-color:var(--line)}.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;line-height:.9}.brand-mark{display:grid;place-items:center;width:2.55rem;height:2.55rem;background:var(--ink);color:var(--paper);font-family:var(--serif);font-size:1.35rem;border-radius:50%}.brand-name{font-size:.72rem;text-transform:uppercase;letter-spacing:.11em}.site-nav{display:flex;gap:clamp(1rem,2.5vw,2.25rem)}.site-nav a{text-decoration:none;font-size:.82rem}.site-nav a:hover{text-decoration:underline;text-underline-offset:.35rem}.menu-toggle{display:none;background:none;border:0}.hero{min-height:100vh;display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:4rem;padding:9rem var(--pad) 5rem}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:600}.hero h1,.section h2{font-family:var(--serif);font-weight:400;letter-spacing:-.035em;line-height:.9}.hero h1{font-size:clamp(3.6rem,8vw,8.5rem);max-width:12ch;margin:2rem 0}.hero h1 em,.contact h2 em{font-weight:400;color:#526d5f}.hero-lead{max-width:42rem;font-size:clamp(1.05rem,1.5vw,1.35rem)}.hero-actions{display:flex;align-items:center;gap:2rem;margin-top:2.5rem}.button{display:inline-flex;text-decoration:none;padding:.95rem 1.25rem}.button-primary{background:var(--ink);color:var(--paper)}.text-link{text-underline-offset:.35rem}.hero-system{position:relative;aspect-ratio:1;max-width:34rem;width:100%;margin:auto}.orbit{position:absolute;border:1px solid var(--line);border-radius:50%;inset:8%}.orbit-b{inset:25%}.orbit:after,.orbit:before{content:'';position:absolute;background:var(--ink);border-radius:50%;width:.4rem;height:.4rem}.orbit:before{top:13%;left:13%}.orbit:after{right:5%;bottom:28%}.system-core{position:absolute;inset:39%;display:grid;place-items:center;background:var(--lime);border-radius:50%;font-family:var(--serif);font-size:clamp(1.2rem,2vw,2rem);font-style:italic}.node{position:absolute;background:var(--paper);border:1px solid var(--line);padding:.45rem .75rem;border-radius:2rem;font-size:.72rem}.node-a{top:3%;left:42%}.node-b{top:44%;right:-2%}.node-c{bottom:4%;left:39%}.node-d{top:45%;left:-3%}.section{padding:clamp(5rem,10vw,10rem) var(--pad);border-top:1px solid var(--line)}.section-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em}.statement{display:grid;grid-template-columns:1fr 3fr;gap:4rem}.statement-copy{max-width:62rem}.large-copy{font-family:var(--serif);font-size:clamp(2rem,4vw,4.5rem);line-height:1.05;margin:0 0 3rem}.statement-copy>p:last-child{max-width:38rem;font-size:1.15rem}.section-heading{display:grid;grid-template-columns:1fr 3fr;gap:4rem;margin-bottom:5rem}.section h2{font-size:clamp(3rem,6vw,6.5rem);margin:0;max-width:13ch}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.service-card{padding:2rem;border-right:1px solid var(--line)}.service-card:last-child{border-right:0}.service-card>span,.method-list>li>span{font-size:.7rem}.service-card h3{font-family:var(--serif);font-size:2rem;font-weight:400;line-height:1.05;min-height:4.2rem}.service-card ul{list-style:none;padding:1.5rem 0 0;margin:1.5rem 0 0;border-top:1px solid var(--line);font-size:.84rem}.service-card li+li{margin-top:.35rem}.method{background:var(--ink);color:var(--paper)}.method .section-label{color:var(--sage)}.method-list{list-style:none;padding:0;margin:0}.method-list li{display:grid;grid-template-columns:.4fr 1fr 2fr;align-items:baseline;gap:2rem;padding:1.6rem 0;border-top:1px solid rgba(243,240,232,.2)}.method-list h3{font-family:var(--serif);font-size:clamp(2rem,4vw,4rem);font-weight:400;margin:0}.method-list p{margin:0;color:#c7cec9}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.case{min-height:24rem;padding:2rem;display:flex;flex-direction:column;justify-content:flex-end}.case p{margin:auto 0 0;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}.case h3{font-family:var(--serif);font-size:clamp(3rem,6vw,6rem);font-weight:400;margin:.35rem 0;line-height:1}.case span{max-width:27rem}.case-dark{background:var(--ink);color:var(--paper)}.case-sand{background:var(--cream)}.case-green{background:var(--sage)}.case-line{border:1px solid var(--ink)}.case-note{font-size:.78rem;margin-top:1.5rem}.principles{display:grid;grid-template-columns:1fr 3fr;gap:4rem;background:var(--cream)}.principles-content>p{max-width:44rem;font-size:1.15rem}.principle-list{display:grid;grid-template-columns:1fr 1fr;margin-top:4rem;border-top:1px solid var(--line)}.principle-list span{padding:1.25rem 0;border-bottom:1px solid var(--line)}.principle-list span:nth-child(odd){border-right:1px solid var(--line)}.principle-list span:nth-child(even){padding-left:1.25rem}.contact{text-align:center;background:var(--lime);padding-top:8rem;padding-bottom:8rem}.contact h2{margin:2rem auto;font-size:clamp(4rem,10vw,10rem);max-width:10ch}.contact-link{display:inline-flex;gap:1rem;font-size:clamp(1rem,2vw,1.5rem);text-underline-offset:.4rem}.site-footer{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:end;gap:2rem;padding:3rem var(--pad);background:var(--ink);color:var(--paper)}.site-footer p{font-size:.75rem;margin:0}.site-footer p:last-child{text-align:right}.footer-brand .brand-mark{background:var(--paper);color:var(--ink)}.reveal{opacity:0;transform:translateY(1.5rem);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.site-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;padding:1.5rem var(--pad) 2rem;background:var(--paper);border-bottom:1px solid var(--line)}.site-nav.open{display:flex}.menu-toggle{display:flex;align-items:center;gap:.7rem;cursor:pointer}.menu-icon,.menu-icon:before{display:block;width:1.2rem;height:1px;background:var(--ink);content:''}.menu-icon:before{transform:translateY(-.3rem)}.hero{grid-template-columns:1fr;padding-top:8rem}.hero-system{max-width:24rem}.statement,.section-heading,.principles{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr 1fr}.service-card:nth-child(2){border-right:0}.service-card:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:600px){.hero{gap:2rem}.hero h1{font-size:clamp(3.2rem,15vw,5rem)}.hero-actions{align-items:flex-start;flex-direction:column;gap:1rem}.service-grid,.case-grid,.principle-list{grid-template-columns:1fr}.service-card{border-right:0;border-bottom:1px solid var(--line)}.service-card:last-child{border-bottom:0}.method-list li{grid-template-columns:.3fr 1fr}.method-list p{grid-column:2}.principle-list span:nth-child(odd){border-right:0}.principle-list span:nth-child(even){padding-left:0}.site-footer{grid-template-columns:1fr}.site-footer p:last-child{text-align:left}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}

/* BR brand system */
.site-header{padding:.55rem var(--pad);background:var(--ink);color:var(--paper);border-bottom-color:rgba(255,255,255,.16)}
.site-header.scrolled{background:rgba(43,41,43,.95);border-color:rgba(255,255,255,.16)}
.brand{gap:0}
.brand-logo{display:block;width:clamp(7rem,10vw,9rem);height:auto}
.site-nav a,.menu-toggle{color:var(--paper)}
.hero h1,.section h2,.large-copy,.service-card h3,.method-list h3,.case h3{font-weight:300;letter-spacing:-.055em}
.hero h1 em,.contact h2 em{color:var(--sage);font-style:normal;font-weight:300}
.hero-lead,.statement-copy,.service-card p,.method-list p,.principles-content>p{font-weight:300}
.system-core{color:#fff;font-style:normal;font-weight:300}
.method .section-label{color:var(--paper)}
.case-green{color:#fff}
.contact{color:#fff}
.contact h2 em{color:var(--paper)}
.site-footer{color:var(--paper)}
@media(max-width:900px){.site-nav{background:var(--ink);border-color:rgba(255,255,255,.16)}.menu-icon,.menu-icon:before{background:var(--paper)}}

/* Approved content layout */
.hero-lead{max-width:46rem;font-size:1.05rem}
.hero-lead p{margin:.9rem 0}
.word-system{font-family:var(--serif);font-size:clamp(1.4rem,2.5vw,2.8rem);line-height:1.05;letter-spacing:-.04em;color:var(--sage);margin:2.5rem 0}
.service-grid-five{grid-template-columns:repeat(5,1fr)}
.service-grid-five .service-card h3{min-height:5.4rem;font-size:1.7rem}
.case-grid-editorial .case{justify-content:flex-start;padding:0;background:var(--cream);border:1px solid var(--line);color:var(--ink);overflow:hidden}
.case-grid-editorial .case img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.case-grid-editorial .case p,.case-grid-editorial .case h3{margin-left:1.5rem;margin-right:1.5rem}
.case-grid-editorial .case p{margin-top:1.5rem;color:var(--sage)}
.case-grid-editorial .case h3{font-family:var(--sans);font-size:clamp(1.3rem,2.1vw,2rem);font-weight:300;line-height:1.12;letter-spacing:-.04em;margin-bottom:1.75rem}
.case-grid-editorial .case-text-only{background:var(--sage);color:#fff;padding:2rem;justify-content:flex-end}
.case-grid-editorial .case-text-only p,.case-grid-editorial .case-text-only h3{margin-left:0;margin-right:0}
.case-grid-editorial .case-text-only p{color:var(--paper)}
.purpose{display:grid;grid-template-columns:1fr 3fr;gap:4rem;background:var(--cream)}
.purpose-content>p{max-width:46rem;font-size:1.1rem}
.contact-copy{max-width:44rem;margin:0 auto 2.25rem;font-size:1.05rem}
.contact-actions{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}
@media(max-width:1100px){.service-grid-five{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.service-grid-five{grid-template-columns:1fr 1fr}.purpose{grid-template-columns:1fr}.case-grid-editorial .case{min-height:auto}}
@media(max-width:600px){.service-grid-five{grid-template-columns:1fr}.contact-actions{align-items:flex-start;flex-direction:column}}

/* Case studies and contact */
.hero{grid-template-columns:minmax(0,1fr);min-height:auto;padding-bottom:7rem}
.hero-copy{max-width:58rem}
.hero-system{display:none}
.case-grid-editorial .case{display:block;min-height:0}
.case-grid-editorial .case img{height:auto;aspect-ratio:auto;object-fit:contain;background:var(--paper);border-bottom:1px solid var(--line)}
.case-grid-editorial .case p{margin-top:1.6rem}
.case-grid-editorial .case h3{margin-bottom:1rem}
.case-detail{display:block;margin:0 1.5rem 1.75rem;padding-top:1rem;border-top:1px solid var(--line);font-size:.76rem;line-height:1.45;color:var(--ink)}
.case-nati{background:#f8f7f1!important}
.case-nati img{background:#88a5b2!important}
.whatsapp-float{position:fixed;right:1.25rem;bottom:1.25rem;z-index:30;display:flex;align-items:center;gap:.6rem;padding:.8rem 1rem;border-radius:999px;background:#25d366;color:#102c1c;text-decoration:none;font-size:.86rem;font-weight:600;box-shadow:0 .6rem 1.8rem rgba(0,0,0,.2);transition:transform .2s ease,box-shadow .2s ease}
.whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 .8rem 2rem rgba(0,0,0,.28)}
.whatsapp-float svg{width:1.35rem;height:1.35rem;fill:currentColor}
@media(max-width:900px){.hero{padding-top:7rem;padding-bottom:4rem}.hero h1{max-width:13ch}.case-grid-editorial .case img{width:100%}.whatsapp-float{right:1rem;bottom:1rem;padding:.82rem .95rem}}
@media(max-width:600px){.site-header{padding:.55rem var(--pad)}.brand-logo{width:7.3rem}.hero{gap:0;padding-top:6.5rem}.hero h1{font-size:clamp(3rem,13.8vw,4.6rem);margin:1.25rem 0}.hero-lead{font-size:1rem}.section{padding-top:4rem;padding-bottom:4rem}.section h2{font-size:clamp(2.5rem,12vw,4.2rem)}.service-card{padding:1.25rem}.service-card h3{min-height:0;margin:1rem 0;font-size:1.65rem}.service-card ul{padding-top:1rem;margin-top:1rem}.reveal{opacity:1;transform:none;transition:none}.case-grid-editorial{gap:.85rem}.case-grid-editorial .case p,.case-grid-editorial .case h3,.case-detail{margin-left:1.15rem;margin-right:1.15rem}.case-grid-editorial .case h3{font-size:1.35rem}.case-detail{margin-bottom:1.2rem}.whatsapp-float span{display:none}.whatsapp-float{width:3.25rem;height:3.25rem;justify-content:center;padding:0;right:1rem;bottom:1rem}.whatsapp-float svg{width:1.55rem;height:1.55rem}}

/* Ajuste de escala editorial */
body{line-height:1.5}
.hero h1{font-size:clamp(3.1rem,5.8vw,6.4rem);line-height:.96;max-width:13ch}
.section h2{font-size:clamp(2.55rem,4.7vw,5rem);line-height:.96;max-width:14ch}
.large-copy{font-size:clamp(1.85rem,3.25vw,3.65rem);line-height:1.08}
.method-list h3{font-size:clamp(1.7rem,3vw,3rem);line-height:1.02}
.service-grid-five .service-card h3{font-size:1.45rem;min-height:4rem;line-height:1.08}
.contact h2{font-size:clamp(3rem,5.8vw,6.2rem);line-height:.96;max-width:12ch}
@media(max-width:600px){.hero h1{font-size:clamp(2.7rem,12vw,3.6rem);line-height:.98}.section h2{font-size:clamp(2.25rem,10vw,3rem);line-height:1}.large-copy{font-size:clamp(1.75rem,8vw,2.35rem);line-height:1.1}.method-list h3{font-size:1.65rem}.contact h2{font-size:clamp(2.55rem,11vw,3.35rem)}}

/* Responsive safeguards: no clipped or overlapping editorial text. */
html,body{max-width:100%;overflow-x:hidden}
.hero-copy,.statement-copy,.principles-content,.purpose-content,.section-heading>*,.method-list li>*,.service-card,.case{min-width:0}
.hero h1,.section h2,.large-copy,.method-list h3,.service-card h3,.case h3,.contact h2,.contact-link{overflow-wrap:anywhere}
.method-list li{align-items:start}
.contact-link{max-width:100%;white-space:normal;line-height:1.25}
@media(max-width:760px){
  .hero{padding:6.25rem 1.25rem 3.75rem}
  .section{padding:3.75rem 1.25rem}
  .section-heading{margin-bottom:3rem;gap:1.25rem}
  .method-list li{grid-template-columns:2rem minmax(0,1fr);gap:.75rem;padding:1.35rem 0}
  .method-list p{grid-column:2}
  .service-grid-five,.service-grid{grid-template-columns:1fr}
  .service-card,.service-card:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
  .service-card:last-child{border-bottom:0}
  .service-grid-five .service-card h3{min-height:0}
  .contact-actions{gap:1rem}
}

/* Brand palette and editorial rhythm. */
:root{--ink:#2b292b;--paper:#ded9d2;--cream:#fff;--accent:#671351;--line:rgba(43,41,43,.18)}
.hero h1,.section h2,.large-copy,.service-card h3,.method-list h3,.case h3{letter-spacing:-.045em}
.word-system{color:var(--accent);font-size:clamp(1.3rem,2.25vw,2.45rem);line-height:1.16;letter-spacing:-.035em}
.word-system span{display:inline-block;color:var(--accent);padding:0 .08em}
.case-grid-editorial .case p{color:var(--accent)}
.button-primary{background:var(--ink);color:var(--cream)}
@media(max-width:600px){.word-system{font-size:clamp(1.4rem,7.5vw,2rem);line-height:1.18}.hero h1,.section h2{letter-spacing:-.04em}}

/* Purpose section: preserve breathing room between the statement and its list. */
.purpose-content h2{font-size:clamp(2.7rem,4.35vw,4.5rem);line-height:1.02;max-width:13ch;margin:0 0 2rem}
.purpose-content .large-copy{margin:0 0 2.5rem}
@media(max-width:760px){.purpose-content h2{font-size:clamp(2.35rem,10vw,3.2rem);line-height:1.04;margin-bottom:1.5rem}}

/* Keep the floating contact control from covering the footer's legal line. */
.site-footer p:last-child{padding-right:9rem;white-space:nowrap}

/* Measured use of BR's accent colour. */
.section-label{color:var(--accent);font-weight:600}
.method .section-label,.contact .eyebrow{color:var(--paper)}
.button-primary{background:var(--accent)}
.button-primary:hover{background:#531040}
.contact-link:hover{color:var(--paper);text-decoration-thickness:2px}
@media(max-width:760px){.site-footer p:last-child{padding-right:0;white-space:normal}.site-footer{padding-bottom:5.5rem}.whatsapp-float{bottom:1.1rem}}

/* Closing contact actions: primary and secondary CTAs, not editorial links. */
.contact-actions{gap:.8rem}
.contact-link{min-height:3.25rem;display:inline-flex;align-items:center;justify-content:center;gap:.65rem;padding:.85rem 1.15rem;text-decoration:none;border:1px solid rgba(255,255,255,.82);font-size:.98rem;line-height:1.2;transition:background .2s ease,color .2s ease,border-color .2s ease}
.contact-link:first-child{background:var(--cream);border-color:var(--cream);color:var(--accent);font-weight:600}
.contact-link:last-child{color:var(--cream)}
.contact-link:first-child:hover{background:var(--ink);border-color:var(--ink);color:var(--cream)}
.contact-link:last-child:hover{background:var(--cream);border-color:var(--cream);color:var(--accent)}
.contact-link span{line-height:1;font-size:1.05em}
@media(max-width:760px){.contact-actions{align-items:stretch;width:100%;max-width:25rem;margin-inline:auto}.contact-link{justify-content:space-between;width:100%}}