/* BRFLOG — monitoramento logístico — Evelyn Souza */
body{margin:0}
*,*::before,*::after{box-sizing:border-box}

/* ---------- Tokens (iguais às demais páginas) ---------- */
.shell{container-type:inline-size;container-name:site}
.site{
  --ivory:#F4F1EA;--graphite:#171715;--wine:#702632;
  --bg:#F4F1EA;--bg-2:#EAE5DA;--ink:#171715;--ink-2:#3F3C37;--muted:#6B665E;
  --rule:rgba(23,23,21,.14);--rule-strong:rgba(23,23,21,.3);
  --accent:#702632;--accent-ink:#702632;--focus:#702632;--header-bg:rgba(244,241,234,.84);
  --contact-bg:#171715;--contact-ink:#F4F1EA;--contact-muted:#A49F95;--contact-rule:rgba(244,241,234,.16);
  --band:#161615;--band-2:#21211E;
  --ease:cubic-bezier(.22,.7,.2,1);
  --pad:clamp(20px,4.2cqi,64px);
  --gap:32px;
  --sec:clamp(88px,9cqi,144px);
  --sec-in:clamp(48px,5cqi,80px);
  background:var(--bg);color:var(--ink);
  font-family:'Manrope',ui-sans-serif,system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background-color .45s var(--ease),color .45s var(--ease);
}
.site.is-dark{
  --bg:#121211;--bg-2:#1D1C1A;--ink:#ECE7DD;--ink-2:#CFC9BE;--muted:#9D978C;
  --rule:rgba(236,231,221,.12);--rule-strong:rgba(236,231,221,.28);
  --accent:#8E3544;--accent-ink:#E2D8CB;--focus:#ECE7DD;--header-bg:rgba(18,18,17,.8);
  --contact-bg:#0A0A09;--contact-rule:rgba(236,231,221,.12);
  --band:#0A0A09;--band-2:#181816;
}
.wrap{max-width:1440px;margin:0 auto;padding-inline:var(--pad)}
.site a{color:inherit;text-decoration:none}
.site ::selection{background:#702632;color:#F4F1EA}
.site :focus-visible{outline:2px solid var(--focus);outline-offset:4px;border-radius:2px}
.site .skip{position:absolute;left:16px;top:-80px;z-index:30;background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:6px;font-size:14px;font-weight:600}
.site .skip:focus{top:12px}
.eyebrow{margin:0;display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px 14px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.eyebrow .n{color:var(--accent-ink);font-variant-numeric:tabular-nums}
.accent{color:var(--accent)}
/* No tema escuro o bordô base (#8E3544) fica abaixo de 3:1 como texto; usa o tom claro da paleta */
.is-dark .accent{color:#B04A5A}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap)}
.h2{margin:20px 0 0;font-size:clamp(32px,4cqi,60px);line-height:1.08;font-weight:600;letter-spacing:-.04em}
.lede{margin:0;font-size:18px;line-height:1.65;color:var(--ink-2)}
.label{display:block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.sec{padding-top:var(--sec)}
.sec-rule{display:block;height:1px;margin:0 0 var(--sec-in);border:0;background:var(--rule)}
.idx{font-size:13px;font-weight:700;color:var(--accent-ink);font-variant-numeric:tabular-nums}
.numlist{margin:0;padding:0;list-style:none}
.numlist li{display:grid;grid-template-columns:44px minmax(0,1fr);padding:16px 0;border-top:1px solid var(--rule);font-size:17px;line-height:1.5}
.numlist li:last-child{border-bottom:1px solid var(--rule)}
.numlist .idx{padding-top:2px}
.note{position:relative;margin:0;padding-left:28px;font-size:clamp(18px,1.7cqi,22px);line-height:1.5;font-weight:500;letter-spacing:-.01em}
.note::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:2px;background:var(--accent)}
.shot{margin:0}
.shot img{display:block;width:100%;height:auto;border-radius:6px}

/* ---------- Header (igual às demais páginas) ---------- */
.topbar{position:sticky;top:0;z-index:10;background:var(--header-bg);-webkit-backdrop-filter:saturate(140%) blur(14px);backdrop-filter:saturate(140%) blur(14px);transition:background-color .45s var(--ease)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;min-height:44px;font-size:16px;font-weight:700;letter-spacing:-.01em;transition:color .2s var(--ease)}
.brand:hover{color:var(--accent-ink)}
.brand{gap:14px}
.brand-sep{width:1px;height:16px;background:var(--rule-strong)}
.brand-role{font-size:13px;font-weight:500;letter-spacing:0;color:var(--muted)}
.nav{display:flex;align-items:center}
.nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 12px;font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s var(--ease)}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:10px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{transform:scaleX(1)}
.nav a[aria-current]{color:var(--ink)}
.nav a[aria-current]::after{transform:scaleX(1);height:2px;background:var(--accent)}
.nav-wrap{display:flex;align-items:center}
.menu-btn{display:none;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;transition:background-color .2s var(--ease)}
.menu-btn:hover{background:var(--bg-2)}
.menu-btn .bar{grid-area:1/1;display:block;width:20px;height:1.5px;border-radius:1px;background:currentColor;transition:transform .4s var(--ease)}
.menu-btn .bar:first-child{transform:translateY(-4px)}
.menu-btn .bar:last-child{transform:translateY(4px)}
.menu-open .menu-btn .bar:first-child{transform:rotate(45deg)}
.menu-open .menu-btn .bar:last-child{transform:rotate(-45deg)}
.nav-sep{width:1px;height:18px;background:var(--rule-strong);margin:0 10px}
.theme-btn{display:inline-grid;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;transition:background-color .2s var(--ease)}
.theme-btn:hover{background:var(--bg-2)}
.theme-btn svg{grid-area:1/1;width:19px;height:19px;transition:opacity .3s var(--ease),transform .5s var(--ease)}
.theme-btn .i-sun{opacity:0;transform:rotate(-70deg) scale(.5)}
.is-dark .theme-btn .i-moon{opacity:0;transform:rotate(70deg) scale(.5)}
.is-dark .theme-btn .i-sun{opacity:1;transform:none}

/* ---------- Capa ---------- */
.back{display:inline-flex;align-items:center;gap:10px;min-height:44px;margin-top:clamp(28px,3.4cqi,48px);font-size:15px;font-weight:600;color:var(--ink-2);transition:color .2s var(--ease)}
.back .arr{display:inline-block;transition:transform .4s var(--ease)}
.back:hover{color:var(--ink)}
.back:hover .arr{transform:translateX(-4px)}
.open{padding-top:clamp(32px,4cqi,64px)}
.open-title{grid-column:1/-1;margin:20px 0 0;max-width:15ch;font-size:clamp(52px,9cqi,150px);line-height:.94;font-weight:600;letter-spacing:-.055em}
.open-sub{grid-column:1/span 7;margin:clamp(28px,3.2cqi,52px) 0 0;font-size:clamp(22px,2.2cqi,32px);line-height:1.25;font-weight:500;letter-spacing:-.02em;text-wrap:balance}
.open-q{grid-column:1/span 6;margin:16px 0 0;font-size:18px;line-height:1.6;color:var(--ink-2);text-wrap:pretty}
.cap{margin:14px 0 0;font-size:14px;line-height:1.5;color:var(--muted)}
/* ---------- Capa (BRFLOG) ---------- */
.open-title.is-brand{max-width:none;font-size:clamp(56px,11cqi,184px);line-height:.92}
.meta{display:grid;grid-template-columns:3fr 5fr 4fr;column-gap:var(--gap);row-gap:20px;margin:clamp(40px,5cqi,72px) 0 0;padding:20px 0 0;border-top:1px solid var(--rule)}
.meta dt{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.meta dd{margin:8px 0 0;font-size:16px;line-height:1.55;color:var(--ink-2)}
.hero-slot{margin-top:clamp(36px,4.4cqi,64px)}
.hero-slot .slot-img{aspect-ratio:1672/941;object-fit:contain}

/* ---------- Espaços de imagem (placeholders) ---------- */
.slot{margin:0;min-width:0}
.slot-img{display:block;width:100%;height:auto;border-radius:6px}
.ph{display:grid;grid-template-rows:auto 1fr auto;gap:20px;width:100%;padding:clamp(18px,2.4cqi,32px);border-radius:6px;background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--rule);transition:background-color .45s var(--ease)}
.r-16x9{aspect-ratio:16/9}.r-16x10{aspect-ratio:16/10}.r-21x9{aspect-ratio:21/9}.r-4x3{aspect-ratio:4/3}.r-3x2{aspect-ratio:3/2}.r-4x5{aspect-ratio:4/5}.r-1x1{aspect-ratio:1/1}.r-2x1{aspect-ratio:2/1}
.ph-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink)}
.ph-top code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:500;letter-spacing:0;text-transform:none;color:var(--muted)}
.ph-body{align-self:end;display:grid;gap:8px;max-width:46ch}
.ph-body strong{font-size:clamp(18px,1.7cqi,24px);line-height:1.2;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.ph-body span{font-size:15px;line-height:1.55;color:var(--ink-2)}
.ph-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 16px;padding-top:12px;border-top:1px solid var(--rule);font-size:13px;color:var(--muted)}
.zoom{display:inline-flex;align-items:center;gap:6px;min-height:44px;margin-top:6px;font-size:14px;font-weight:600;color:var(--ink-2);border-bottom:1px solid currentColor}
.zoom:hover{color:var(--accent-ink)}

/* ---------- Texto corrido ---------- */
.prose p{margin:0;font-size:18px;line-height:1.7;color:var(--ink-2)}
.prose p + p{margin-top:20px}
.prose p.lead{font-size:clamp(20px,1.9cqi,26px);line-height:1.4;font-weight:500;letter-spacing:-.015em;color:var(--ink)}
.h2.is-wide{max-width:22ch}

/* ---------- 01 O desafio ---------- */
.ch-head{grid-column:1/-1}
.ch-title{max-width:min(1053px,100%)}
.ch-sub{margin:0 0 clamp(16px,1.6cqi,22px);font-size:clamp(22px,2.1cqi,30px);line-height:1.2;font-weight:600;letter-spacing:-.025em;color:var(--ink);text-wrap:balance}
.ch-a{grid-column:1/span 5;margin-top:clamp(40px,4.4cqi,64px)}
.ch-b{grid-column:7/span 5;margin-top:clamp(40px,4.4cqi,64px)}
.ch-fig{margin-top:clamp(56px,6cqi,96px)}

/* ---------- 02 Discovery ---------- */
.disc-head{grid-column:1/span 9}
.disc-text{grid-column:1/span 5;margin-top:clamp(36px,4cqi,56px)}
.disc-fig{grid-column:7/-1;margin-top:clamp(36px,4cqi,56px);align-self:start}
.artifact{margin:0;padding:clamp(12px,1.6cqi,20px);border-radius:6px;background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--rule);transition:background-color .45s var(--ease)}
.artifact-img{display:block;width:100%;height:auto;border-radius:4px}
.artifact-top{margin-bottom:clamp(12px,1.4cqi,16px)}
.artifact-cap{display:grid;gap:4px;margin-top:clamp(14px,1.4cqi,18px);text-align:left}
.artifact-cap strong{font-size:16px;line-height:1.35;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.artifact-cap span{font-size:14px;line-height:1.5;color:var(--muted)}

/* ---------- 03 Personas ---------- */
.per-head{grid-column:1/span 8}
.per-text{grid-column:1/span 5;margin-top:clamp(36px,4cqi,56px)}
.per-fig{grid-column:7/-1;align-self:start;margin-top:clamp(36px,4cqi,56px)}
.prose p.per-aside{margin-top:clamp(28px,3cqi,40px);font-size:clamp(18px,1.7cqi,22px);line-height:1.5;color:var(--ink)}

/* ---------- 04 Arquitetura ---------- */
.ia-head{grid-column:1/span 9}
.ia-lead{grid-column:1/span 6;margin-top:clamp(36px,4cqi,56px)}
.ia-a{grid-column:1/span 6;margin-top:20px}
.ia-b{grid-column:8/-1;margin-top:20px;align-self:start}
.ia-fig{margin-top:clamp(56px,6cqi,96px)}
.flow-fig{grid-column:1/span 8;margin-top:clamp(40px,4.4cqi,64px)}

/* ---------- Transição: as duas frentes ---------- */
.fronts{--focus:#F4F1EA;margin-top:var(--sec);padding:clamp(72px,8cqi,128px) 0;background:var(--band);color:#F4F1EA}
.is-dark .fronts{box-shadow:inset 0 1px 0 rgba(236,231,221,.1),inset 0 -1px 0 rgba(236,231,221,.1)}
.fronts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(32px,6cqi,96px)}
.front{padding-top:24px;border-top:1px solid rgba(244,241,234,.22)}
.front:first-child{border-top:2px solid #B04A5A;padding-top:23px}
.front .label{color:#C9A7AD}
.front h3{margin:14px 0 0;font-size:clamp(28px,3.2cqi,48px);line-height:1.05;font-weight:600;letter-spacing:-.035em}
.front p{margin:18px 0 0;max-width:44ch;font-size:18px;line-height:1.6;color:#C9C3B8}
.fronts + .sec{padding-top:clamp(88px,9cqi,144px)}

/* ---------- 05 Design e prototipação ---------- */
.dp-head{grid-column:1/span 9}
.dp-intro{grid-column:1/span 6;margin-top:clamp(36px,4cqi,56px)}
.dp-web{grid-column:8/-1;margin-top:clamp(36px,4cqi,56px);align-self:end}
.dp-main{margin-top:clamp(56px,6cqi,96px)}
.dp-pair{margin-top:clamp(24px,3cqi,40px);align-items:start}
.dp-pair .slot:first-child{grid-column:1/span 7}
.dp-pair .slot:last-child{grid-column:8/-1;margin-top:clamp(48px,6cqi,96px)}
.dp-app{margin-top:clamp(72px,8cqi,128px);align-items:center}
.dp-app .prose{grid-column:1/span 4}
.dp-app .slot{grid-column:6/-1}
.dp-ds{margin-top:clamp(72px,8cqi,128px);align-items:end}
.dp-ds .slot{grid-column:1/span 7}
.dp-ds .prose{grid-column:9/-1}

/* ---------- 06 Testes ---------- */
.ut-text{grid-column:1/span 6}
.ut-text .prose{margin-top:clamp(28px,3cqi,40px)}
.ut-fig{grid-column:8/-1;align-self:center}

/* ---------- 07 Aprendizados ---------- */
.lr-title{max-width:20ch;margin:20px 0 0;font-size:clamp(36px,5cqi,80px);line-height:1.02;font-weight:600;letter-spacing:-.045em}
.lr-lead{grid-column:1/span 6;margin-top:clamp(40px,4.4cqi,64px)}
.lr-a{grid-column:1/span 6;margin-top:20px}
.lr-b{grid-column:7/-1;margin-top:20px;align-self:start}
.lr-fig{margin-top:clamp(56px,6cqi,96px)}

/* ---------- Encerramento ---------- */
.endnav{padding-top:clamp(72px,7cqi,112px);padding-bottom:clamp(56px,6cqi,88px)}
.close-nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:32px;padding-top:28px;border-top:1px solid var(--rule)}
.next{display:grid;justify-items:end;gap:8px;text-align:right}
.next-title{display:inline-flex;align-items:center;gap:14px;font-size:clamp(22px,2.2cqi,32px);font-weight:600;letter-spacing:-.03em;line-height:1.1}
.u{padding-bottom:2px;background-image:linear-gradient(var(--accent),var(--accent));background-repeat:no-repeat;background-position:0 100%;background-size:0% 2px;transition:background-size .55s var(--ease)}
.next .arr{display:inline-block;transition:transform .4s var(--ease)}
.next:hover .u,.next:focus-visible .u{background-size:100% 2px}
.next:hover .arr{transform:translateX(5px)}
.home-link{display:inline-flex;align-items:center;gap:10px;min-height:48px;font-size:17px;font-weight:600;border-bottom:1.5px solid currentColor;transition:color .25s var(--ease)}
.home-link .arr{display:inline-block;transition:transform .4s var(--ease)}
.home-link:hover{color:var(--accent-ink)}
.home-link:hover .arr{transform:translateX(-4px)}

.foot{--focus:#F4F1EA;background:var(--contact-bg);color:var(--contact-muted);transition:background-color .45s var(--ease)}
.is-dark .foot{box-shadow:inset 0 1px 0 var(--contact-rule)}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 32px;padding-block:28px;font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:0 28px}
.foot a{display:inline-flex;align-items:center;gap:6px;min-height:44px;transition:color .2s var(--ease)}
.foot a:hover{color:var(--contact-ink)}

/* ---------- Movimento ---------- */
@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes drift{from{transform:translateY(24px)}to{transform:none}}
@media (prefers-reduced-motion:no-preference){
  .intro{animation:rise .9s var(--ease) both}
  .intro-2{animation-delay:.08s}
  .intro-3{animation-delay:.18s}
  .intro-4{animation-delay:.28s}
  @supports (animation-timeline:view()){
    .reveal{animation:drift linear both;animation-timeline:view();animation-range:entry 0% entry 55%}
  }
}
@media (prefers-reduced-motion:reduce){
  .site *,.site *::before,.site *::after{animation:none!important;transition-duration:.01ms!important}
}


/* ---------- Tablet ---------- */
@container site (max-width:960px){
  .open-sub{grid-column:1/span 10}
  .open-q{grid-column:1/span 9}
  .meta{grid-template-columns:1fr 1fr}
  .meta div:last-child{grid-column:1/-1}
  .ch-head,.ch-a,.ch-b,.disc-head,.disc-text,.disc-fig,.per-head,.per-text,.per-aside,.per-fig,.ia-head,.ia-lead,.ia-a,.ia-b,.flow-fig,.dp-head,.dp-intro,.dp-web,.ut-text,.ut-fig,.lr-lead,.lr-a,.lr-b{grid-column:1/-1}
  .ch-b{margin-top:48px}
  .ia-b,.dp-web,.lr-b{margin-top:24px}
  .ut-fig{margin-top:40px}
  .dp-pair .slot:first-child,.dp-pair .slot:last-child,.dp-app .prose,.dp-app .slot,.dp-ds .slot,.dp-ds .prose{grid-column:1/-1}
  .dp-pair .slot:last-child{margin-top:24px}
  .dp-app .slot,.dp-ds .prose{margin-top:32px}
}
/* ---------- Mobile ---------- */
@container site (max-width:600px){
  .site{font-size:16px;--gap:16px}
  .topbar-in{height:64px;gap:8px}
  .brand{font-size:15px;white-space:nowrap;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px}
  .brand-sep{display:none}
  .brand-role{font-size:11.5px;line-height:1.2}
  .nav-wrap{gap:2px}
  .nav-sep{display:none}
  .menu-btn{display:inline-grid}
  .menu-open .topbar{background:var(--bg)}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;padding:8px var(--pad) 32px;background:var(--bg);border-bottom:1px solid var(--rule);visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .3s var(--ease),transform .4s var(--ease),visibility 0s linear .4s}
  .menu-open .nav{visibility:visible;opacity:1;transform:none;transition:opacity .3s var(--ease),transform .4s var(--ease),visibility 0s}
  .nav a{min-height:64px;padding:0;font-size:28px;font-weight:600;letter-spacing:-.03em;color:var(--ink);border-top:1px solid var(--rule)}
  .nav a:first-child{border-top:0}
  .nav a::after{display:none}
  .nav a[aria-current]{color:var(--accent-ink)}
  .open-title{grid-column:1/-1}
  .open-sub,.open-q{grid-column:1/-1}
  .hero-slot{margin-inline:calc(var(--pad) * -1)}
  .hero-slot .slot-img{border-radius:0}
  .meta{grid-template-columns:1fr}
  .fronts-grid{grid-template-columns:1fr;row-gap:48px}
  .prose p{font-size:17px}
  .ph-body span{font-size:14px}
  .close-nav{flex-direction:column;align-items:flex-start}
  .next{justify-items:start;text-align:left}
  .lede{font-size:17px}
}