/* PRB Consultoria Gerencial: "um plano-sequência" */
:root{
  --paper:#efe8d8;--paper-2:#e6dec9;--paper-3:#d9cfb6;
  --ink:#1d1b17;--ink-2:#55503f;--ink-3:#8a8371;
  --green:#2f6b57;--green-2:#1f4a3c;--green-ink:#2b5c4b;
  --black:#0c0c0c;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Hanken Grotesk",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html{overflow-x:clip}
body{background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
body::before{content:"";position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.5 0 0 0 0 0.42 0 0 0 .14 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>")}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--green);color:var(--paper)}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.w{width:min(1240px,100% - 48px);margin-inline:auto}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3,.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.02}
em{font-style:italic}
.u{border-bottom:1px solid currentColor;padding-bottom:1px;transition:color .25s}
.u:hover{color:var(--green)}

/* ---------- header ---------- */
header{position:fixed;inset:0 0 auto 0;z-index:40;color:var(--ink);transition:color .4s,background .4s,box-shadow .4s}
header.solid{background:rgba(239,232,216,.86);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);box-shadow:0 1px 0 rgba(29,27,23,.08)}
header.solid.dark{background:rgba(0,0,0,.78);box-shadow:0 1px 0 rgba(255,255,255,.07)}
header .bar{display:grid;grid-template-columns:auto 1fr auto auto;align-items:start;gap:40px;padding:22px 0 14px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--sans);font-weight:500;letter-spacing:.02em;font-size:15px}
.brand img{width:40px;height:40px;border-radius:4px;box-shadow:0 1px 0 rgba(0,0,0,.08)}
.cols{display:flex;gap:56px;font-size:13.5px;line-height:1.5}
.cols div{display:flex;flex-direction:column;gap:2px}
.cols a{opacity:.85;transition:opacity .2s}
.cols a:hover,.cols a.on{opacity:1;text-decoration:underline;text-underline-offset:4px}
.slate{display:flex;flex-direction:column;gap:3px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.slate .clock{display:inline-block;border:1px solid currentColor;padding:2px 8px;letter-spacing:.1em;min-width:9.5ch}
.slate .sc{opacity:.75}
.right{display:flex;align-items:center;gap:18px;font-size:13.5px}
.cta-nav{display:inline-flex;align-items:center;gap:10px}
.cta-nav i{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(47,107,87,.18)}
.lang{display:inline-flex;border:1px solid currentColor;border-radius:2px;overflow:hidden;font-family:var(--mono);font-size:11px;letter-spacing:.08em}
.lang button{border:0;background:none;color:inherit;padding:4px 9px;cursor:pointer;font:inherit;opacity:.6}
.lang button.on{opacity:1;background:currentColor}
.lang button.on span{color:var(--paper)}
header.dark{color:var(--paper)}
header.dark .lang button.on span{color:var(--ink)}
.menu{display:none;border:1px solid currentColor;background:none;color:inherit;font:inherit;font-size:13px;padding:6px 12px;cursor:pointer;border-radius:2px}
.sheet{display:none;position:fixed;inset:0;z-index:39;background:var(--paper);padding:110px 24px 40px;flex-direction:column;gap:14px;font-family:var(--serif);font-size:34px;line-height:1.1}
.sheet.open{display:flex}
.sheet a{border-bottom:1px solid var(--paper-3);padding:10px 0}
.sheet .small{font-family:var(--sans);font-size:15px;color:var(--ink-2);margin-top:auto}

/* ---------- intro (film slate) ---------- */
#intro{position:fixed;inset:0;z-index:50;background:var(--paper);color:var(--ink);transition:opacity .8s var(--ease)}
#intro.out{opacity:0;pointer-events:none}
.slate-card{position:absolute;left:max(24px,calc((100vw - 1240px)/2));bottom:12vh;font-family:var(--mono);font-size:clamp(12px,1.1vw,15px);letter-spacing:.16em;text-transform:uppercase;line-height:2.1}
.slate-card p{overflow:hidden;white-space:nowrap;width:0;animation:type .55s steps(26,end) forwards}
.slate-card .l1{color:var(--green-ink)}
.slate-card .l2{animation-delay:.5s}
.slate-card .l3{animation-delay:1s;color:var(--ink-2)}
.slate-card .bar{display:block;height:1px;background:var(--ink);width:0;margin-top:14px;animation:grow .7s 1.45s var(--ease) forwards}
@keyframes type{to{width:100%}}
@keyframes grow{to{width:min(42vw,420px)}}
.no-intro #intro{display:none}

/* ---------- scenes (sticky stack, one continuous shot) ---------- */
.film{position:relative;timeline-scope:--s2,--s3,--s4}
.panel{position:sticky;top:0;height:100svh;overflow:hidden;background:var(--black)}
.dwell{height:72svh;pointer-events:none}
.dwell.short{height:34svh}
.panel .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform-origin:50% 50%;animation:kb 34s ease-in-out infinite alternate}
.panel.alt .bg{animation-name:kb2}
@keyframes kb{from{transform:scale(1)}to{transform:scale(1.07)}}
@keyframes kb2{from{transform:scale(1.07) translateX(1%)}to{transform:scale(1) translateX(-1%)}}
.panel .shade{position:absolute;inset:0;pointer-events:none}
.shade.bottom{background:linear-gradient(to top,rgba(239,232,216,.92) 0%,rgba(239,232,216,.55) 22%,rgba(239,232,216,0) 55%)}
.shade.dusk{background:linear-gradient(to top,rgba(12,12,12,.55) 0%,rgba(12,12,12,.1) 45%,rgba(12,12,12,0) 70%)}
.caption{position:absolute;max-width:40rem;padding:0 24px;opacity:0;transform:translateY(18px);transition:opacity 1.1s var(--ease) .15s,transform 1.2s var(--ease) .15s}
.panel.in .caption{opacity:1;transform:none}
.caption h1,.caption h2{font-size:clamp(40px,5.4vw,80px);margin-bottom:16px;max-width:14ch}
.caption h1{font-size:clamp(40px,5vw,74px);max-width:20ch}
.caption p.body{font-size:clamp(16px,1.3vw,19px);line-height:1.5;max-width:34rem;color:inherit}
.caption .go{display:inline-block;margin-top:20px;font-family:var(--serif);font-style:italic;font-size:clamp(20px,1.7vw,26px);border-bottom:1px solid currentColor;padding-bottom:2px;transition:color .25s,border-color .25s}
.caption .go:hover{color:var(--green);border-color:var(--green)}
.pos-bl{left:max(24px,calc((100vw - 1240px)/2));bottom:9vh}
.pos-tl{left:max(24px,calc((100vw - 1240px)/2));top:22vh}
.pos-br{right:max(24px,calc((100vw - 1240px)/2));bottom:11vh;text-align:right}
.pos-br h2,.pos-br p{margin-left:auto}
.pos-c{left:50%;top:50%;transform:translate(-50%,-40%);text-align:center;max-width:46rem}
.panel.in .pos-c{transform:translate(-50%,-50%)}
.pos-c h2,.pos-c p{margin-inline:auto}
.card{background:rgba(239,232,216,.84);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:30px 32px 28px;max-width:36rem;box-shadow:0 10px 40px rgba(20,18,12,.12)}
.light{color:var(--paper)}
.light .go:hover{color:#bfe3d2;border-color:#bfe3d2}
.light .caption h2{text-shadow:0 2px 24px rgba(0,0,0,.4)}
@supports (animation-timeline: view()){
  .panel[data-fade]{animation:fadein linear both;animation-range:entry 0% entry 62%}
  .panel[data-fade="2"]{animation-timeline:--s2}
  .panel[data-fade="3"]{animation-timeline:--s3}
  .panel[data-fade="4"]{animation-timeline:--s4}
  .dwell[data-t="2"]{view-timeline-name:--s2}
  .dwell[data-t="3"]{view-timeline-name:--s3}
  .dwell[data-t="4"]{view-timeline-name:--s4}
  @keyframes fadein{from{opacity:0}to{opacity:1}}
}

/* ---------- index (film strip) ---------- */
.index{padding:120px 0 110px;background:var(--paper);position:relative;z-index:2}
.index h2{font-size:clamp(34px,4vw,56px);max-width:16ch}
.index .lead{color:var(--ink-2);max-width:36rem;margin-top:12px;font-size:18px}
.frames{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:64px;align-items:start}
.frame{display:block;background:var(--paper-2);padding:12px 12px 16px;box-shadow:0 18px 50px rgba(30,25,15,.14),0 1px 0 rgba(255,255,255,.6) inset;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.frame:nth-child(2){transform:translateY(34px)}
.frame:nth-child(4){transform:translateY(16px)}
.frame:hover{transform:translateY(-6px) rotate(-.4deg);box-shadow:0 28px 60px rgba(30,25,15,.2)}
.frame:nth-child(2):hover{transform:translateY(28px) rotate(.4deg)}
.frame .pic{aspect-ratio:4/5;overflow:hidden;background:var(--paper-3)}
.frame .pic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.frame:hover .pic img{transform:scale(1.04)}
.frame figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:14px;font-family:var(--serif);font-size:24px;line-height:1.1}
.frame figcaption small{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- credits (clients) ---------- */
.credits{background:#000;color:#e9e4d6;padding:110px 0 100px;position:relative;z-index:2}
.credits .mono{color:#8f8a7c}
.credits h2{font-size:clamp(34px,4vw,56px);margin:14px 0 48px}
.roll{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.roll .track{display:flex;width:max-content;animation:roll 95s linear infinite}
.roll:hover .track{animation-play-state:paused}
.roll img{height:118px;width:auto;flex:none}
@keyframes roll{to{transform:translateX(-50%)}}
.credits p.note{margin-top:44px;color:#9d978a;max-width:40rem;font-size:15px}

/* ---------- paper content (inner pages) ---------- */
.paper{padding:110px 0;position:relative;z-index:2;background:var(--paper)}
.paper.alt{background:var(--paper-2)}
.paper h2{font-size:clamp(34px,4vw,58px);max-width:18ch}
.paper .lead{font-size:clamp(18px,1.5vw,22px);line-height:1.45;color:var(--ink-2);max-width:40rem;margin-top:14px}
.list{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:56px}
.list div{border-top:1px solid var(--paper-3);padding:26px 0 30px}
.list h3{font-size:30px;margin-bottom:8px}
.list p{color:var(--ink-2);max-width:30rem}
.statement{text-align:center}
.statement h2{margin-inline:auto}
.statement .lead{margin-inline:auto}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:56px}
.steps div{border-top:1px solid var(--ink);padding-top:16px}
.steps b{display:block;font-family:var(--serif);font-weight:500;font-style:italic;font-size:44px;line-height:1;color:var(--green)}
.steps h3{font-size:26px;margin:10px 0 6px}
.steps p{color:var(--ink-2);font-size:16px}
.faq{max-width:760px;margin-top:48px}
.faq details{border-top:1px solid var(--paper-3);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--paper-3)}
.faq summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:26px;line-height:1.15;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--ink-3);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--ink-2);margin-top:12px;max-width:60ch}
.people{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:56px}
.person h3{font-size:40px}
.person .role{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin:8px 0 18px}
.person ul{padding-left:18px;color:var(--ink-2);line-height:1.5}
.person li{margin-bottom:8px}
.person .u{display:inline-block;margin-top:18px;font-family:var(--serif);font-style:italic;font-size:22px}
form{display:grid;gap:22px;max-width:620px;margin-top:48px}
label{display:grid;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
input,textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--ink-3);color:var(--ink);padding:10px 0 12px;font:400 20px/1.4 var(--serif);border-radius:0}
input:focus,textarea:focus{outline:0;border-bottom-color:var(--green)}
textarea{min-height:140px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--ink);color:var(--paper);padding:14px 26px;font:500 15px var(--sans);letter-spacing:.02em;border:0;cursor:pointer;border-radius:2px;transition:background .25s,transform .15s}
.btn:hover{background:var(--green-2)}
.btn:active{transform:translateY(1px)}
.ok{display:none;color:var(--green);font-family:var(--serif);font-size:22px}
.film.single .panel{height:92svh}

/* ---------- footer (back to the sky) ---------- */
footer{position:relative;z-index:2;color:var(--ink);overflow:hidden;background:var(--paper);min-height:92svh;display:flex;align-items:flex-end}
footer .sky{position:absolute;inset:0;overflow:hidden}
footer .sky img{width:100%;height:100%;object-fit:cover;object-position:0% 100%;transform:scaleX(-1)}
footer .sky::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(239,232,216,.97) 0%,rgba(239,232,216,.6) 40%,rgba(239,232,216,.35) 100%)}
footer .inner{position:relative;padding:150px 0 40px}
.end h2{font-size:clamp(56px,8.4vw,136px);line-height:.98;letter-spacing:-.025em;max-width:11ch}
.end .lead{font-size:clamp(18px,1.5vw,22px);line-height:1.45;color:var(--ink-2);max-width:34rem;margin-top:22px}
.write{display:flex;flex-wrap:wrap;align-items:baseline;gap:18px 34px;margin-top:40px}
.write .big{font-family:var(--sans);font-size:clamp(22px,2.6vw,34px);letter-spacing:-.01em;border-bottom:2px solid var(--ink);padding-bottom:4px;transition:color .25s,border-color .25s}
.write .big:hover{color:var(--green);border-color:var(--green)}
.write .wa{font-size:15px;color:var(--ink-2)}
.fcols{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:110px;padding-top:22px;border-top:1px solid rgba(29,27,23,.2);font-size:13.5px;color:var(--ink-2)}
.fcols a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.copy{margin-top:22px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .cols{display:none}
  header .bar{grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:14px 0}
  .slate{font-size:10px}
  .right .cta-nav{display:none}
  .menu{display:inline-block}
  .frames{grid-template-columns:1fr 1fr}
  .frame:nth-child(2),.frame:nth-child(4){transform:none}
  .list,.people{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .w{width:min(1240px,100% - 32px)}
  .dwell{height:60svh}
  .caption{max-width:none;left:16px;right:16px;padding:0;text-align:left}
  .pos-bl,.pos-tl,.pos-br{left:16px;right:16px}
  .pos-tl{top:18vh}
  .pos-br{text-align:left}
  .pos-c{left:16px;right:16px;top:auto;bottom:12vh;transform:none;text-align:left;max-width:none}
  .panel.in .pos-c{transform:none}
  .pos-c h2,.pos-c p,.pos-br h2,.pos-br p{margin:0}
  .caption h1,.caption h2{font-size:clamp(34px,10vw,48px)}
  .card{padding:22px 20px}
  .frames{grid-template-columns:1fr 1fr;gap:16px}
  .frame figcaption{font-size:19px;flex-direction:column;gap:4px}
  .roll img{height:78px}
  .steps{grid-template-columns:1fr}
  .index,.credits,.paper{padding:80px 0}
  .slate .sc{display:none}
  .brand span{display:none}
  footer .inner{padding-top:110px}
  .fcols{margin-top:70px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .caption{opacity:1;transform:none}
  .pos-c{transform:translate(-50%,-50%)}
  .roll{overflow-x:auto}
  .roll .track{width:auto}
  #intro{display:none}
}