/* V3 — narrativa orientada a problemas e experiência mobile */
html{scroll-padding-top:92px;max-width:100%;overflow-x:hidden}
body{max-width:100%;overflow-x:clip}
img,svg,video,iframe{max-width:100%}
.nav{z-index:30}
.hero{height:auto;min-height:900px;max-height:none;padding-top:145px;padding-bottom:72px}
.hero h1{font-size:clamp(49px,4.65vw,76px);line-height:.96;margin:28px 0 26px}
.hero-lead{font-size:clamp(15px,1.05vw,17px)}
.hero-proof{margin-top:clamp(45px,6vh,76px)}

.problems{padding-top:145px;padding-bottom:145px;background:#eef1ed;color:#0a0c0b;position:relative}
.problems:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent calc(33.333% - 1px),rgba(25,35,30,.055) 33.333%,transparent calc(33.333% + 1px),transparent calc(66.666% - 1px),rgba(25,35,30,.055) 66.666%,transparent calc(66.666% + 1px))}
.problems-heading{display:grid;grid-template-columns:27% 73%;gap:24px;margin-bottom:72px;position:relative}
.problems .section-index{color:#66706b;padding-top:12px}
.problems-heading>div{max-width:1040px}
.problems-kicker{font:400 clamp(17px,1.45vw,23px) Georgia,serif;color:#68716c;margin:0 0 24px}
.problems h2{font-size:clamp(42px,4.15vw,69px);line-height:1.03;letter-spacing:-.057em;margin:0;font-weight:600}
.problems h2 em{font-family:Georgia,serif;font-weight:400;color:#50705d}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);position:relative;border-top:1px solid #bdc5c0;border-left:1px solid #bdc5c0}
.problems-swipe-hint{display:none}
.problem-card{min-height:430px;padding:30px;display:flex;flex-direction:column;border-right:1px solid #bdc5c0;border-bottom:1px solid #bdc5c0;background:rgba(238,241,237,.85);transition:transform .35s ease,background .35s ease,box-shadow .35s ease;position:relative;overflow:hidden}
.problem-card:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-110px;top:-110px;background:var(--lime);opacity:0;filter:blur(8px);transition:.4s}
.problem-card:hover{background:#fff;transform:translateY(-5px);box-shadow:0 22px 55px rgba(27,38,32,.09);z-index:2}
.problem-card:hover:before{opacity:.16}
.problem-number{font:500 9px DM Mono;color:#68736d}.problem-card>small{font:600 8px DM Mono;letter-spacing:.13em;color:#56715f;margin-top:52px}.problem-card h3{font-size:clamp(22px,1.75vw,29px);line-height:1.12;letter-spacing:-.04em;margin:18px 0 14px;max-width:370px}.problem-card>p{font-size:13px;line-height:1.7;color:#69726d;margin:0;max-width:390px}.problem-shift{margin-top:auto;padding-top:24px;border-top:1px solid #cbd1cd;display:grid;grid-template-columns:90px 1fr;gap:18px;align-items:start}.problem-shift span{font:600 7px DM Mono;letter-spacing:.12em;color:#52705f}.problem-shift b{font-size:12px;line-height:1.45}
.problems-cta{position:relative;margin-top:38px;padding:28px 0 0;display:flex;align-items:center;justify-content:space-between;gap:40px}.problems-cta p{font-size:14px;line-height:1.7;color:#5f6964;margin:0;max-width:750px}.problems-cta p strong{color:#111713}.problems-cta .button{flex:none;background:#0b0e0c;color:var(--lime);border-color:#0b0e0c}

.manifesto{border-top:1px solid var(--line)}
.service-card p{min-height:88px}
.contact h2{font-size:clamp(42px,4.8vw,76px)}
.floating-brief{border-radius:3px}

@media(max-width:1180px){
  .hero{min-height:0;padding-top:112px}.hero-copy{min-height:650px}.hero h1{max-width:940px;font-size:clamp(54px,7vw,82px)}
  .problems-heading{grid-template-columns:1fr;gap:28px}.problems .section-index{padding-top:0}.problem-grid{grid-template-columns:repeat(2,1fr)}
  .problems:before{display:none}
}

@media(max-width:900px){
  :root{--pad:clamp(18px,5vw,34px)}
  html{scroll-padding-top:70px}
  body{padding-bottom:76px}
  .noise{opacity:.025}
  .nav{height:68px;position:fixed;background:rgba(8,10,9,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.09)}
  .nav.sticky{animation:none}
  .nav-cta{display:none}
  .brand{gap:9px}.brand img{width:36px;height:36px}.brand strong{font-size:18px}.brand small{font-size:6px}
  .menu-toggle{display:block;position:relative;z-index:3;min-width:46px;min-height:46px;padding:8px}
  .menu-toggle i{transition:transform .25s ease,opacity .25s ease}
  .menu-toggle[aria-expanded=true] i:first-child{transform:translateY(4px) rotate(45deg)}
  .menu-toggle[aria-expanded=true] i:last-child{transform:translateY(-4px) rotate(-45deg)}
  .nav-links{display:flex;position:fixed;inset:68px 0 auto;height:calc(100dvh - 68px);background:#0b0e0c;flex-direction:column;align-items:flex-start;justify-content:center;gap:0;padding:28px var(--pad) 80px;transform:translateY(-115%);transition:transform .38s cubic-bezier(.2,.75,.2,1);border-bottom:0;z-index:2}
  .nav-links.open{transform:none}.nav-links a{width:100%;font-size:clamp(27px,8vw,42px);font-weight:650;letter-spacing:-.04em;padding:17px 0;border-bottom:1px solid #252b28;color:#eef2ef}
  .nav-links a:after{content:"↗";float:right;color:var(--lime);font-size:.55em;margin-top:.35em}
  body.menu-open{overflow:hidden}

  .hero{display:block;padding-top:116px;padding-bottom:46px}
  .hero-copy{min-height:0;display:block}.hero .eyebrow{font-size:8px;line-height:1.6;max-width:330px}
  .hero h1{font-size:clamp(43px,12.3vw,66px);line-height:.96;margin:25px 0 22px;max-width:720px}.hero h1 br{display:none}
  .hero-lead{font-size:15px;line-height:1.68;max-width:620px}
  .hero-actions{display:grid;grid-template-columns:1fr;margin-top:28px;gap:10px}.hero-actions .button{width:100%;min-height:58px;justify-content:space-between;padding:0 20px;text-align:left}
  .hero-proof{grid-template-columns:1fr;margin:36px 0 38px;padding-top:0;border-top:0;gap:0}
  .hero-proof div{padding:15px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(125px,.75fr) 1.25fr;align-items:center;gap:15px}.hero-proof b{font-size:12px}.hero-proof span{font-size:8px;line-height:1.5}
  .hero-cinema{height:min(125vw,570px);min-height:440px;margin:0 calc(var(--pad) * -1);box-shadow:none}.cinema-photo{background-position:63% center}.hero-cinema .visual-topline{left:18px;right:18px;top:16px}.cinema-caption{left:20px;bottom:22px}.cinema-caption small{font-size:7px}.cinema-caption strong{font-size:clamp(35px,10vw,48px)}
  .card-question{display:none}.card-answer{top:23%;right:14px;width:215px;padding:14px 16px}.card-answer b{font-size:10px}
  .ticker{height:42px;transform:none}.ticker div{gap:22px;animation-duration:36s}.ticker span{font-size:9px}

  .problems{padding-top:88px;padding-bottom:88px}.problems-heading{margin-bottom:40px}.problems-kicker{font-size:17px;margin-bottom:18px}.problems h2{font-size:clamp(36px,9.5vw,52px)}
  .problem-card{min-height:380px;padding:25px}.problem-card>small{margin-top:32px}.problem-card h3{font-size:25px}.problems-cta{align-items:flex-start;flex-direction:column}.problems-cta .button{width:100%}

  .story-reel{padding:80px 0}.reel-intro{margin-bottom:32px}.reel-intro p{font-size:clamp(23px,6.5vw,34px);line-height:1.22}
  .reel-window{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain}.reel-window::-webkit-scrollbar{display:none}.reel-track{animation:none;gap:12px;padding-right:var(--pad)}
  .reel-card,.reel-card:nth-child(3n+2),.reel-card:nth-child(3n+3){width:86vw;max-width:570px;height:min(105vw,500px);min-height:390px;margin-top:0;scroll-snap-align:center}.reel-card:nth-child(n+4){display:none}
  .reel-card figcaption{left:20px;right:20px;bottom:20px}.reel-card figcaption b{font-size:22px}.reel-card figcaption span{font-size:7px}

  .manifesto,.services,.projects,.method{padding-top:88px;padding-bottom:88px}.manifesto{gap:30px}.manifesto h2{font-size:clamp(34px,8.7vw,50px)}.manifesto-bottom{gap:28px;margin-top:34px;padding-top:28px}
  .section-heading{margin-bottom:42px}.section-heading h2,.method-intro h2,.principles h2{font-size:clamp(35px,9vw,51px)}.section-heading>p{font-size:13px}
  .service-card{min-height:340px;padding:24px}.service-icon{margin:28px 0 20px}.service-card p{min-height:0}.service-card ul{margin:20px 0}
  .project-grid{gap:45px}.project-art,.project.featured .project-art,.project.wide .project-art{height:min(80vw,390px)}.project-info{padding-top:18px}.project-info h3{font-size:25px}.project-info p{font-size:12px}.open-project{width:46px;height:46px}
  .method{gap:36px}.method-intro p{margin-top:24px}.method-steps article{padding:34px 0 40px}
  .principles{padding-top:88px;padding-bottom:88px}.principles-visual{height:min(105vw,440px)}
  .contact{padding-top:88px;padding-bottom:88px;gap:42px}.contact h2{font-size:clamp(41px,11vw,61px)}.contact-form{grid-template-columns:1fr;padding:26px 22px;gap:20px}.contact-form label{grid-column:1/-1}
  footer{padding-bottom:40px}
  .floating-brief{left:10px;right:10px;bottom:10px;min-width:0;min-height:56px;padding:11px 16px;align-items:center;border-color:rgba(200,255,61,.32)}
}

@media(max-width:620px){
  .problems-swipe-hint{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px;font:600 7px DM Mono;letter-spacing:.13em;color:#68736d}.problems-swipe-hint span{font-size:15px;color:#32543f}
  .problem-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain;border:0;margin:0 calc(var(--pad) * -1);padding:0 var(--pad) 20px;gap:12px}.problem-grid::-webkit-scrollbar{display:none}.problem-card{flex:0 0 86vw;max-width:380px;min-height:410px;border:1px solid #bdc5c0;scroll-snap-align:center}
  .hero-cinema{min-height:420px}.cinema-caption strong{font-size:36px}
  .project-info{gap:15px}.project-art,.project.featured .project-art,.project.wide .project-art{height:330px}
  .art-obras .app-shell{width:150%;height:72%;transform:translateX(16%) perspective(1000px) rotateY(-7deg)}
  .art-automation .flow>span:nth-of-type(n+3){display:none}
  .footer-nav{grid-column:1/-1}.footer-bottom{margin-top:25px}
}

@media(max-width:390px){
  .hero h1{font-size:41px}.hero-lead{font-size:14px}.hero-proof div{grid-template-columns:1fr;gap:5px}
  .problem-card h3{font-size:23px}.problem-shift{grid-template-columns:80px 1fr}
  .contact-form{margin-left:-6px;margin-right:-6px}
}

@media(hover:none){.problem-card:hover{transform:none;box-shadow:none}.project:hover .project-art{transform:none}.floating-brief:hover{transform:none}}
@media(prefers-reduced-motion:reduce){.reel-window{scroll-snap-type:none}}