/* atlas-v7 · Pré-câmara · Expo Eureka. Telas aprovadas em V6/08-geracoes/finais/; medidas em V6/10-wireframe/spec/. */
*,*::before,*::after{box-sizing:border-box}
html{color-scheme:dark;background:var(--bg);color:var(--text-2);font:400 var(--fs-body)/var(--lh-text) var(--f-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--bar-h) + 8px)}
body{margin:0;background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p,dl,dd,ol,ul,figure{margin:0}
ol,ul{list-style:none;padding:0}
sub{font-size:.7em}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.mono{font-family:var(--f-mono);font-feature-settings:"zero" 0}
.just{text-align:justify;hyphens:auto;-webkit-hyphens:auto}
.red{color:var(--red-text)!important}
.wrap{width:min(100% - 2*var(--gutter),var(--wrap));margin-inline:auto}
.skip{position:absolute;left:var(--gutter);top:-80px;z-index:100;background:#fff;color:#000;padding:12px 18px;border-radius:var(--r-pill);font:500 14px/1 var(--f-sans);text-decoration:none}
.skip:focus{top:12px}

/* ---------- materiais ---------- */
.glass{background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));border:1px solid var(--glass-border);border-radius:var(--r);-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur))}
.ticks{position:absolute;inset:14px;pointer-events:none;
  background:
   linear-gradient(#fff6,#fff6) left top/16px 1px no-repeat,linear-gradient(#fff6,#fff6) left top/1px 16px no-repeat,
   linear-gradient(#fff6,#fff6) right top/16px 1px no-repeat,linear-gradient(#fff6,#fff6) right top/1px 16px no-repeat,
   linear-gradient(#fff6,#fff6) left bottom/16px 1px no-repeat,linear-gradient(#fff6,#fff6) left bottom/1px 16px no-repeat,
   linear-gradient(#fff6,#fff6) right bottom/16px 1px no-repeat,linear-gradient(#fff6,#fff6) right bottom/1px 16px no-repeat}
.rule{height:1px;background:rgba(255,255,255,.55);position:relative;margin-bottom:28px}
.rule::before{content:"";position:absolute;left:0;top:-1px;width:56px;height:3px;background:var(--red)}
.label{font:400 var(--fs-lab)/1.2 var(--f-mono);letter-spacing:var(--track-lab);color:var(--red-text);display:flex;align-items:center;gap:10px;margin-bottom:8px}
.label i{width:7px;height:7px;border-radius:50%;background:var(--red);display:inline-block}
.lab-sm{font:400 12px/1.3 var(--f-mono);letter-spacing:.14em;color:var(--text-3)}
.meta{font-size:14px;color:var(--text-4)}
.h1{font:600 var(--fs-h1)/1.06 var(--f-sans);letter-spacing:-.025em;color:var(--text-1);text-wrap:balance}
.h1 em{font-style:normal;color:var(--red-2)}
.h2{font:600 var(--fs-h2)/1.1 var(--f-sans);letter-spacing:-.02em;color:var(--text-1);text-wrap:balance}
p,li,dd,figcaption{text-wrap:pretty}
.lead{font-size:var(--fs-lead);line-height:1.6;color:var(--text-2);margin-top:14px;max-width:72ch}
.lead.narrow{max-width:62ch}
#t04 .lead{max-width:min(62ch,44%)}
.cap{font-size:14px;line-height:1.5;color:var(--text-4)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.cap-left{margin-top:18px}
.src{font:400 14px/1.4 var(--f-sans);color:var(--text-4);margin-top:8px}
.num{font-family:var(--f-mono);font-weight:500;color:var(--text-1);font-variant-numeric:tabular-nums;font-feature-settings:"zero" 0}

/* ---------- botões e chips ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:var(--tap);padding:0 24px;border-radius:var(--r-pill);font:500 15px/1 var(--f-sans);text-decoration:none;white-space:nowrap;transition:filter var(--d-fast),background-color var(--d-fast),border-color var(--d-fast)}
.btn-red{background:var(--grad-red);color:#fff;box-shadow:var(--glow)}
.btn-white{background:#fff;color:#0a0a0a}
.btn-glass{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);color:#fff;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.btn-line{border:1px solid rgba(255,255,255,.35);color:#fff}
@media (hover:hover) and (pointer:fine){.btn:hover{filter:brightness(1.15)}.btn-glass:hover,.btn-line:hover{border-color:#fff}}
/* estado pressionado: resposta imediata ao toque/clique, antes de qualquer navegação */
.btn:active,.phase:active,.photo-card:active,.tabs a:active,.tabs button:active,.in:active,.to-top:active,.seg button:active{transform:scale(.97);filter:brightness(.92)}
.ctas{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}
.chip{display:inline-flex;align-items:center;gap:10px;height:36px;padding:0 16px;border-radius:var(--r-pill);font:400 13px/1 var(--f-mono);letter-spacing:.12em;color:#eee;border:1px solid rgba(255,255,255,.2);background:rgba(10,10,10,.55);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);text-decoration:none;width:max-content}
.chip-dot::before,.chip-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red)}
.chip-award{border-color:rgba(255,90,79,.75);color:#fff;transition:border-color var(--d-base) var(--e-out),background-color var(--d-base) var(--e-out),transform var(--d-fast)}
@media (hover:hover) and (pointer:fine){.chip-award:hover{border-color:#fff;background-color:rgba(255,90,79,.18)}}
.chip-award:active{transform:scale(.97)}
.chip-award svg{width:16px;height:16px;color:var(--red-2)}
.chip-live{border-color:rgba(255,90,79,.7)}
.chip-live::before{animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.sec:not(.is-visible) .chip-live::before,.sec:not(.is-visible) .pend{animation-play-state:paused}

/* ---------- barra do topo ---------- */
.bar{position:fixed;inset:0 0 auto;z-index:50;height:var(--bar-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 var(--gutter);background:linear-gradient(180deg,rgba(5,5,5,.85),rgba(5,5,5,0));transition:background-color var(--d-base)}
.bar.is-scrolled{background:rgba(5,5,5,.72);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:14px;font:600 20px/1 var(--f-sans);color:#fff;text-decoration:none;letter-spacing:-.01em}
.logo i{width:24px;height:24px;border-radius:4px;background:var(--red);box-shadow:0 0 18px rgba(223,37,49,.5)}
.nav{display:flex;gap:4px;padding:5px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);background:rgba(10,10,10,.5);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.nav a{padding:9px 16px;border-radius:var(--r-pill);font:400 15px/1 var(--f-sans);color:var(--text-3);text-decoration:none;transition:color var(--d-fast),background-color var(--d-fast)}
.nav a.is-on{color:#fff;font-weight:500;background:rgba(255,255,255,.06)}
@media (hover:hover) and (pointer:fine){.nav a:hover{color:#fff}}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px}
.progress span{display:block;height:100%;width:100%;background:var(--grad-red);transform:scaleX(0);transform-origin:0 0;will-change:transform}

/* ---------- seções ---------- */
.act{position:relative}
.sec{padding:calc(var(--bar-h) + 56px) 0 96px;min-height:100svh;background-color:var(--bg);background-position:center;background-size:cover;background-repeat:no-repeat}
#t01{background-image:url(../assets/bg/t01.webp)}#t02{background-image:url(../assets/bg/t02.webp);background-attachment:fixed}#t03{background-image:url(../assets/bg/t03.webp);background-attachment:fixed}#t04{background-image:url(../assets/bg/t04.webp)}#t06{background-image:linear-gradient(90deg,transparent 52%,rgba(5,5,5,.78) 60%,rgba(5,5,5,.78) 100%),url(../assets/bg/t06.webp)}#t07{background-image:linear-gradient(180deg,rgba(5,5,5,.85) 0%,rgba(5,5,5,.6) 40%,rgba(5,5,5,.15) 100%),url(../assets/bg/t07.webp)}#t08{background-image:url(../assets/bg/t08.webp)}#t10{background-image:url(../assets/bg/t10.webp)}
@media (max-width:1100px),(hover:none){#t02,#t03{background-attachment:scroll}}
.sec::before,.sec::after{content:"";position:absolute;left:0;right:0;height:140px;pointer-events:none;z-index:0}
.sec::before{top:0;background:linear-gradient(180deg,var(--bg),transparent)}
.sec::after{bottom:0;background:linear-gradient(0deg,var(--bg),transparent)}
.sec>.wrap{position:relative;z-index:1}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:36px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.card{position:relative;padding:26px 28px}
.card.is-chosen{border-color:rgba(255,90,79,.45)}
.card.is-chosen::before{content:"";position:absolute;left:-1px;top:16px;bottom:16px;width:2px;background:var(--red);border-radius:2px}

/* fundos das seções só baixam quando a seção se aproxima (js/app.js põe .is-near a 900 px); o !important vence os ids acima.
   Sem JS (html.no-js) tudo carrega como antes. */
html:not(.no-js) .sec:not(.is-near){background-image:none!important}
html:not(.no-js) #t06:not(.is-near) .t06-stage{background-image:none!important}

/* revelação */
.rv{opacity:0;transition:opacity var(--d-reveal) var(--e-out);transition-delay:calc(var(--i,0) * var(--stagger))}   /* só esmaece: o único movimento orquestrado é a entrada (feixe e jatos) */
.rv.is-in{opacity:1}
.rv.has-lines{opacity:1;transition:none}   /* o título já está visível; quem esmaece são as linhas */
.has-lines .hl{opacity:0;transition:opacity var(--d-reveal) var(--e-out);transition-delay:calc(var(--i,0) * var(--d-line))}
.rv.is-in .hl{opacity:1}
.no-js .rv{opacity:1}

/* ---------- T00 entrada ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:calc(var(--bar-h) + 40px) 0 40px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;transform:scale(1.04)}   /* cena de abertura: a foto assenta e o texto acende em sequência, uma vez por visita */
.hero.is-lit .hero-bg{transform:none;transition:transform 1200ms var(--e-out)}
.sc{opacity:0;transition:opacity var(--d-reveal) var(--e-out);transition-delay:calc(var(--i,0) * var(--stagger) + 150ms)}
.hero.is-lit .sc{opacity:1}
.no-js .sc{opacity:1}.no-js .hero-bg{transform:none}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;will-change:transform}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,5,5,.86) 0%,rgba(5,5,5,.35) 42%,rgba(5,5,5,0) 70%),linear-gradient(0deg,rgba(5,5,5,.92) 0%,rgba(5,5,5,0) 38%)}
.hero-in{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:12px;max-width:600px}
.hero-copy .h1{margin-top:14px}
.hero-copy .ctas{margin-top:22px}

/* ---------- T01 ---------- */
.c90{display:flex;flex-direction:column}
.kicker{display:flex;align-items:center;gap:12px;font:400 13px/1 var(--f-mono);letter-spacing:.14em;color:var(--text-2)}
.kicker i{width:9px;height:9px;border-radius:50%;background:var(--red)}
.c90 .just{margin-top:26px;margin-bottom:28px;font-size:16px;color:var(--text-1);opacity:.9}
.totem{margin-top:auto;padding-top:20px;border-top:1px solid var(--line-strong)}
.totem b{display:block;font-size:clamp(40px,2.6vw + 12px,56px);line-height:1.1;letter-spacing:-.02em}
.totem span{display:block;margin-top:6px;font:400 13px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-2)}
.totem small{display:block;margin-top:8px;font-size:14px;color:var(--text-4)}

/* ---------- scrollytelling (T02, T03) ---------- */
.scrolly .sc-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.scrolly .sc-grid-wide{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr)}
.sc-text .lsteps{margin-top:36px;padding-bottom:30vh}
.lsteps{display:grid;gap:14px}
.lstep{position:relative;overflow:hidden;padding:20px 26px;border-radius:var(--r);background:rgba(10,10,10,.55);border:1px solid var(--line-strong);transition:border-color var(--d-base) var(--e-std),background-color var(--d-base) var(--e-std);min-height:84px}
.scrolly .lstep{margin-bottom:12vh}
.lstep::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-red);transform:scaleY(0);transform-origin:50% 0;transition:transform var(--d-base) var(--e-out)}
.lstep-h{font:500 19px/1.35 var(--f-sans);color:var(--text-2);display:flex;gap:18px;align-items:baseline}
.lstep-l{font:400 13px/1 var(--f-mono);letter-spacing:.04em;color:var(--text-3);min-width:72px;font-variant-numeric:tabular-nums}
.lstep-body{max-height:0;overflow:hidden;opacity:0;transition:max-height var(--d-reveal) var(--e-out),opacity var(--d-base)}
.lstep .just{color:var(--text-2);margin-top:10px;font-size:15.5px}
.lstep .short{display:none}
.lstep.is-on{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.06)}
.lstep.is-on::before{transform:none}
.lstep.is-on .lstep-h{color:#fff;font-weight:600}
.lstep.is-on .lstep-l{color:var(--red-text)}
.lstep.is-on .lstep-body{max-height:420px;opacity:1}
.lstep.is-near{border-color:rgba(255,255,255,.4)}
.sc-fig{position:sticky;top:calc(var(--bar-h) + 28px)}
.lean{padding:28px 28px 22px;margin:0}
.lean-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;margin-bottom:12px}
.lean-chart{height:min(60vh,560px);min-height:320px;touch-action:pan-y;cursor:crosshair;border-radius:var(--r-sm)}
.lean-cap{margin-top:12px;font-size:14px;line-height:1.55;color:var(--text-3)}
.lean-table{display:inline}
.lean-table summary{display:inline;cursor:pointer;color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.lean-table table{width:100%;max-width:440px;border-collapse:collapse;font:400 12.5px/1.5 var(--f-mono);color:var(--text-2);margin-top:12px}
.lean-table th,.lean-table td{padding:5px 8px;text-align:right;border-bottom:1px solid var(--line)}
.lean-svg{display:block;width:100%;height:100%;overflow:visible;font-family:var(--f-sans)}
.lean-grid{stroke:var(--line-strong);stroke-width:1}
.lean-tick{font:400 12px var(--f-mono);fill:var(--text-4)}
.lean-axis{font:500 12px var(--f-mono);fill:var(--text-3)}
.lean-panel{font-size:12px;font-weight:600;letter-spacing:.02em;fill:var(--text-2)}
.lean-line{fill:none;stroke:var(--text-1);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.lean-unstable{fill:var(--red-soft)}
.lean-threshold{stroke:rgba(255,255,255,.45);stroke-width:1;stroke-dasharray:3 5}
.lean-limit{stroke:var(--red);stroke-width:1.5;stroke-dasharray:6 5}
text.lean-note{font-size:12px;fill:var(--text-3)}
.lean-note-red{fill:var(--red-text)!important}
.lean-arrow{stroke:var(--red-text);stroke-width:1.4}
.lean-arrow-head{fill:var(--red-text)}
.lean-cursor-line{stroke:rgba(255,255,255,.7);stroke-width:1}
.lean-svg.is-text .lean-cursor-line{stroke:var(--red)}
.lean-dot{fill:#fff}
.lean-value{font:500 12px var(--f-mono);fill:#fff}
.lean-value,text.lean-note{paint-order:stroke;stroke:var(--bg);stroke-width:4px;stroke-linejoin:round}
.lean-lambda{font:600 14px var(--f-mono);fill:#fff}
.lean-ring{fill:none;stroke:var(--red-text);stroke-width:1.5;opacity:0;transform-box:fill-box;transform-origin:center}
.lean-cursor.is-arrive .lean-ring{animation:lean-ring 350ms var(--e-out) both}
@keyframes lean-ring{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(2.6)}}

/* T03 figura */
.cut{position:relative;padding:22px}
.cut-stage{position:relative;aspect-ratio:1659/948;border-radius:var(--r-sm);overflow:hidden;background:#232323}
.cut-frame{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 500ms var(--e-std)}
.cut-frame.is-on{opacity:1}
.cut-stage.cad-ready{background:transparent}
.cut-stage.cad-ready .cut-frame{display:none}
.cad-canvas:focus-visible{outline:2px solid #fff;outline-offset:-2px}
.cut-stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important}
.cut .cap{margin-top:12px}
.dots{display:flex;justify-content:center;gap:10px;margin:18px 0}
.dots button{display:grid;place-items:center;width:28px;height:28px;padding:0;border:0;background:transparent;cursor:pointer;border-radius:50%}
.dots button::before{content:"";width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.3);transition:background-color var(--d-base),transform var(--d-base)}
.dots button.is-on::before{background:var(--red);transform:scale(1.25)}
.synth{position:relative;padding:18px 24px}
.synth::before{content:"";position:absolute;left:-1px;top:14px;bottom:14px;width:2px;background:var(--red)}
.synth .just{margin-top:6px;color:var(--text-1);font-size:15.5px}

/* ---------- T04 comparador ---------- */
.cmp{position:relative;margin-top:24px;padding:16px}
.cmp-stage{position:relative;aspect-ratio:16/4.4;border-radius:var(--r-sm);overflow:hidden;background:#262626;touch-action:pan-y}
.cmp-a,.cmp-b img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%}
.cmp-b{position:absolute;inset:0;clip-path:inset(0 0 0 var(--pos))}
.cmp-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(40,60,80,.12),transparent 40%,transparent 60%,rgba(223,37,49,.14));pointer-events:none}
.cmp-tag{position:absolute;top:16px;font-size:13px;letter-spacing:.14em;z-index:2}
.cmp-tag-a{left:18px;color:var(--text-3)}
.cmp-tag-b{right:18px;color:var(--red-text)}
.cmp-track{position:absolute;inset:0;transform:translateX(var(--pos));pointer-events:none;will-change:transform}
.cmp-line{position:absolute;top:0;bottom:0;left:0;width:2px;margin-left:-1px;background:var(--red);box-shadow:0 0 16px 2px rgba(223,37,49,.7);z-index:2;pointer-events:none}
.cmp-handle{position:absolute;top:50%;left:0;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;background:rgba(10,10,10,.75);border:2px solid var(--red);box-shadow:0 0 18px rgba(223,37,49,.6);z-index:3;pointer-events:none}
.cmp-handle::before{content:"‹ ›";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font:600 15px/1 var(--f-sans)}
.cmp-range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:4;touch-action:pan-y}
.cmp-range:focus-visible+.cmp-track .cmp-handle{outline:2px solid var(--focus);outline-offset:3px}   /* o campo é invisível: o anel de foco vai no cabo */
.cmp .cap{margin-top:10px;padding:0 12px 2px}
.spec dl{margin-top:14px}
.spec dl div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:8px 0;border-top:1px solid var(--line)}
.spec dt{font:400 12px/1.6 var(--f-mono);letter-spacing:.1em;color:var(--text-4)}
.spec dd{color:var(--text-1);font-size:15px}
.pill-line{display:inline-block;margin-left:12px;padding:4px 10px;border:1px solid var(--red);border-radius:var(--r-pill);font-size:12px;letter-spacing:.14em;color:var(--red-text)}

/* ---------- T05 pista ---------- */
.t05{overflow:hidden;background:var(--bg)}
.t05-bg{position:absolute;inset:0;z-index:0}
.t05-plate{position:absolute;right:0;top:0;width:74%;height:100%;object-fit:cover;object-position:58% 45%;will-change:transform;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 32%);mask-image:linear-gradient(90deg,transparent 0%,#000 32%);transform:translate3d(var(--px,0),var(--py,0),0) scale(1.05);transition:transform 600ms var(--e-out)}
.t05-glow{position:absolute;left:63%;top:36%;width:40vw;height:40vw;margin:-20vw 0 0 -20vw;border-radius:50%;background:radial-gradient(circle,rgba(255,90,79,.18),transparent 60%);mix-blend-mode:screen;opacity:var(--glow,.6)}
.t05-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,5,5,.88) 0%,rgba(5,5,5,.55) 38%,rgba(5,5,5,0) 64%),linear-gradient(180deg,rgba(5,5,5,.8) 0%,rgba(5,5,5,.25) 30%,rgba(5,5,5,0) 48%),linear-gradient(0deg,rgba(5,5,5,.95) 0%,rgba(5,5,5,.2) 45%,rgba(5,5,5,0) 70%)}
.t05-head{max-width:640px}
.totem-xl{display:flex;align-items:baseline;gap:20px;margin-top:22px}
.totem-xl b{font:700 clamp(84px,8vw + 20px,148px)/.9 var(--f-sans);letter-spacing:-.04em;text-shadow:0 0 40px rgba(223,37,49,.45)}
.totem-xl span{font-size:14px;letter-spacing:.2em;color:var(--text-3)}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:64px;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:-28px;height:1px;background:rgba(255,255,255,.35)}
.tl{position:relative;padding:22px 24px}
.tl::before{content:"";position:absolute;left:50%;top:-34px;width:11px;height:11px;margin-left:-6px;border-radius:50%;border:1.5px solid #fff;background:var(--bg)}
.tl::after{content:"";position:absolute;left:50%;top:-23px;width:1px;height:23px;background:rgba(255,255,255,.35)}
.tl.is-chosen::before{background:var(--red);border-color:var(--red);box-shadow:0 0 12px var(--red)}
.tl>b{font-size:clamp(26px,1.4vw + 14px,34px);display:block}
.tl p{margin-top:10px;color:var(--text-2);font-size:15px}
.tl .k{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-right:8px}
.tl strong{color:#fff;font-weight:600}

/* ---------- T06 peça ---------- */
.t06-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:start}
.t06-stage{position:relative;min-height:min(72vh,640px);display:flex;flex-direction:column}
.cad{position:relative;overflow:hidden;flex:1;min-height:min(60vh,540px);touch-action:none;cursor:grab}
.cad:active{cursor:grabbing}
.cad-fallback{position:absolute;inset:8% 4%;width:92%;height:84%;object-fit:contain;border-radius:var(--r-sm)}
.cad.cad-ready .cad-fallback{display:none}
.cad canvas{position:absolute;inset:0;width:100%!important;height:100%!important}
.cap-glass{display:inline-block;color:var(--text-1);background:rgba(5,5,5,.6);padding:6px 12px;border-radius:8px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.stage-cap{position:absolute;left:24px;bottom:72px;color:var(--text-1);background:rgba(5,5,5,.6);padding:6px 12px;border-radius:8px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.seg[hidden]{display:none}
.seg{align-self:center;display:inline-flex;padding:4px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);background:rgba(10,10,10,.6);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.seg button{min-width:110px;min-height:var(--tap);border-radius:var(--r-pill);color:var(--text-3);font-weight:500;transition:color var(--d-fast),background-color var(--d-fast)}
.seg button[aria-pressed=true]{background:rgba(255,255,255,.12);color:#fff}
@media (hover:hover) and (pointer:fine){.seg button:not([aria-pressed=true]):not(:disabled):hover{color:#fff;background:rgba(255,255,255,.06)}.dots button:hover::before{background:rgba(255,255,255,.6)}.to-top:hover span{border-color:#fff}}
.seg button:disabled{opacity:.45;cursor:progress}
.specs{margin-top:28px;position:relative;padding:4px 24px}
.specs::before{content:"";position:absolute;left:-1px;top:14px;bottom:14px;width:2px;background:var(--red)}
.specs div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:13px 0;border-top:1px solid var(--line)}
.specs div:first-child{border-top:0}
.specs dt{font:400 12px/1.6 var(--f-mono);letter-spacing:.08em;color:var(--text-3)}
.specs dd{font:400 15px/1.5 var(--f-mono);color:#fff}
.specs dd.specs-note{font:400 15px/1.55 var(--f-sans);color:var(--text-2);text-align:justify;hyphens:auto;-webkit-hyphens:auto}
.photo-card{display:flex;align-items:center;gap:20px;margin-top:20px;padding:12px;width:100%;text-align:left;transition:border-color var(--d-base) var(--e-out),background-color var(--d-base) var(--e-out),transform var(--d-fast)}
@media (hover:hover) and (pointer:fine){.photo-card:hover{border-color:rgba(255,255,255,.6);background-color:rgba(255,255,255,.05)}}
.photo-card:focus-visible{border-color:rgba(255,255,255,.6)}
.photo-card img{width:110px;height:110px;object-fit:cover;border-radius:10px}
.photo-card>span{display:flex;flex-direction:column;gap:6px;font-size:15px;color:#fff}
.photo-card .mono{font-size:12px;letter-spacing:.14em}

/* ---------- T07 fases (jogo) ---------- */
.progress-bar{display:grid;grid-template-columns:repeat(6,1fr) auto;gap:6px;align-items:center;margin-top:36px}
.progress-bar i{height:10px;background:var(--grad-red);clip-path:polygon(0 0,calc(100% - 8px) 0,100% 50%,calc(100% - 8px) 100%,0 100%,8px 50%);box-shadow:0 0 12px rgba(223,37,49,.6)}
.progress-bar span{margin-left:14px;font-size:13px;letter-spacing:.12em;color:#fff}
/* bancada em cascata (spec 003, etapa 5): a régua acende segmento a segmento e o rótulo por último; as fases seguem por data-i */
.progress-bar.rv{opacity:1;transition:none}
.progress-bar i,.progress-bar span{opacity:0;transition:opacity var(--d-base) var(--e-out);transition-delay:calc(var(--k,0) * var(--stagger) + 150ms)}
.progress-bar i:nth-child(2){--k:1}.progress-bar i:nth-child(3){--k:2}.progress-bar i:nth-child(4){--k:3}.progress-bar i:nth-child(5){--k:4}.progress-bar i:nth-child(6){--k:5}.progress-bar span{--k:6}
.progress-bar.is-in i,.progress-bar.is-in span,.no-js .progress-bar i,.no-js .progress-bar span{opacity:1}
.phases{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:22px}
.phase{position:relative;display:flex;flex-direction:column;width:100%;padding:10px;text-align:left;background:linear-gradient(180deg,rgba(20,20,20,.92),rgba(10,10,10,.92));border:1px solid rgba(255,255,255,.28);clip-path:polygon(14px 0,calc(100% - 14px) 0,100% 14px,100% calc(100% - 14px),calc(100% - 14px) 100%,14px 100%,0 calc(100% - 14px),0 14px);transition:transform var(--d-fast) var(--e-out),border-color var(--d-base) var(--e-out),background var(--d-base) var(--e-out)}
/* o shorthand acima zeraria a revelação: a fase repõe a opacidade com o atraso da cascata (data-i), sem atrasar hover e toque */
.phase.rv{transition:opacity var(--d-reveal) var(--e-out),transform var(--d-fast) var(--e-out),border-color var(--d-base) var(--e-out),background var(--d-base) var(--e-out);transition-delay:calc(var(--i,0) * var(--stagger)),0s,0s,0s}
.ph-top{display:flex;justify-content:space-between;align-items:center;padding:4px 6px 10px;font-size:13px;letter-spacing:.06em;color:#ddd}
.ph-top em{font-style:normal;font-size:12px;letter-spacing:.06em;color:#fff}
.phase img{aspect-ratio:3/4;width:100%;object-fit:cover;clip-path:polygon(10px 0,calc(100% - 10px) 0,100% 10px,100% calc(100% - 10px),calc(100% - 10px) 100%,10px 100%,0 calc(100% - 10px),0 10px)}
.ph-cap{display:flex;gap:12px;align-items:center;padding:12px 6px 4px;font-size:14px;line-height:1.3;color:#fff}
.ph-cap b{font-size:22px;color:var(--text-3);font-weight:400}
/* microinterações (spec 003, etapa 6): quadros acendem a borda e clareiam o fundo em 300 ms no hover e no foco; pressionado encolhe 1,5 % */
@media (hover:hover) and (pointer:fine){.phase:hover{transform:translateY(-4px);border-color:#fff;background:linear-gradient(180deg,rgba(28,28,28,.94),rgba(14,14,14,.94))}}
.phase:focus-visible{border-color:#fff}
.phase:active,.photo-card:active{transform:scale(.985);filter:brightness(.95)}

/* ---------- T08 ---------- */
.t08-head{display:flex;justify-content:space-between;align-items:flex-start;gap:32px}
.m{display:flex;flex-direction:column;gap:10px;min-height:250px}
.m h3{font:600 19px/1.25 var(--f-sans);color:#fff}
.m p{font-size:14.5px;color:var(--text-2)}
.m .k{font-size:14px;color:var(--text-3)}
.pend{position:absolute;right:20px;top:20px;width:16px;height:16px;border-radius:50%;border:1.5px solid var(--red);animation:pulse 2s ease-in-out infinite}
.pend-t{margin-top:auto;font-size:12px;letter-spacing:.12em;color:var(--red-text)!important}
.charts{display:grid;grid-template-columns:1fr;gap:20px;margin-top:28px}
.chartbox{padding:18px 22px;border-radius:var(--r)}
.dashed{border:1px dashed rgba(255,255,255,.3);background:rgba(5,5,5,.55)}
.chart-host img{width:100%;height:100%;object-fit:contain}
/* espaço reservado antes do SVG chegar: a mesma proporção dos desenhos (1200×300 e 1200×780), sem salto de layout */
.chart-e5{aspect-ratio:1200/300}.chart-e6{aspect-ratio:1200/780}
.chart-e6{max-width:980px;margin-inline:auto}
.chartbox .cap{margin-top:10px;text-align:center}

/* ---------- T10 ---------- */
.t10{background-position:center bottom}
.t10-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:64px;align-items:start}
.authors{margin-top:24px}
.authors li{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.18);font:500 clamp(18px,.6vw + 12px,22px)/1.3 var(--f-sans);color:#fff}
.authors b{font-size:16px;font-weight:400;color:var(--text-4)}
.in{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid rgba(255,255,255,.55);border-radius:7px;font:700 13px/1 var(--f-sans);color:#fff;text-decoration:none;transition:background-color var(--d-fast),border-color var(--d-fast)}
@media (hover:hover) and (pointer:fine){.in:hover{background:#0a66c2;border-color:#0a66c2}}
.advisor{display:flex;align-items:center;gap:16px;margin-top:22px;font-size:19px;color:#fff}
.advisor .mono{font-size:14px;letter-spacing:.08em}
.award{position:relative;display:flex;flex-direction:column;gap:12px;padding:30px 32px;text-decoration:none;color:#fff;margin-top:72px}
.award::before{content:"";position:absolute;left:-1px;top:18px;bottom:18px;width:2px;background:var(--red)}
.award .lab-sm{display:flex;align-items:center;gap:10px}
.award .lab-sm i{width:8px;height:8px;border-radius:50%;background:var(--red)}
.award b{font:700 clamp(44px,2.4vw + 18px,60px)/1 var(--f-sans);letter-spacing:-.02em}
.award>span:not(.mono){font-size:17px;color:var(--text-2);line-height:1.45}
.inst{margin-top:min(26vh,240px);text-align:center;font-size:14px;color:var(--text-2)}

/* ---------- T11 ---------- */
#t01,#t10{min-height:auto}
.t11{background:var(--bg);min-height:auto;padding-bottom:40px}
.t11::before{display:none}
.refs{columns:2;column-gap:56px;margin-top:28px}
.refs li{break-inside:avoid;padding:11px 0 12px;border-top:1px solid var(--line-strong);font-size:14px;line-height:1.5;color:var(--text-2);text-align:left}
.refs b{color:#fff;font-weight:600}
.doi{font-size:13px;color:var(--text-4)}
a.doi{text-decoration:none;padding-bottom:2px;background-image:linear-gradient(currentColor,currentColor),linear-gradient(rgba(255,255,255,.25),rgba(255,255,255,.25));background-repeat:no-repeat;background-position:0 100%,0 100%;background-size:0 1px,100% 1px;transition:background-size 250ms var(--e-out),color var(--d-fast)}
a.doi:hover,a.doi:focus-visible{color:var(--text-2);background-size:100% 1px,100% 1px}
.feedback{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:40px;padding:20px 24px;border-radius:18px}.feedback p{margin:0;color:var(--text-2,rgba(255,255,255,.8));font-size:15px;line-height:1.5}.feedback b{color:#fff;font-weight:600}.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.feedback-sm{margin-top:40px;padding:16px 22px}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:56px;padding-top:20px;border-top:1px solid var(--line-strong);font-size:13px;color:var(--text-4)}
.to-top{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:500;text-decoration:none;min-height:var(--tap)}
.to-top span{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.4);display:grid;place-items:center}

/* ---------- lightbox e índice ---------- */
.lightbox{max-width:min(96vw,1400px);max-height:94vh;padding:0;border:0;background:transparent;overflow:visible}
.lightbox::backdrop{background:rgba(0,0,0,.88);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.lightbox img{max-width:min(96vw,1400px);max-height:90vh;width:auto;height:auto;border-radius:12px;transition:opacity var(--d-base)}
.lightbox.is-loading img{opacity:0;min-width:min(60vw,560px);min-height:40vh}
.lb-status{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 18px;border-radius:var(--r-pill);background:rgba(10,10,10,.85);border:1px solid var(--line-strong);color:#fff;font-size:13px;letter-spacing:.06em;white-space:nowrap}
.lb-status[hidden]{display:none}
.lb-close{position:absolute;top:-14px;right:-14px;width:44px;height:44px;border-radius:50%;background:#fff;color:#000;font-size:26px;line-height:1}
.tabs,.toc{display:none}

/* ---------- tablet retrato e celular ---------- */
@media (max-width:1100px){
  .grid4{grid-template-columns:1fr 1fr}
  .phases{grid-template-columns:repeat(3,1fr)}
  .t06-grid{grid-template-columns:1fr}
  /* celular e tablet em pé: o fundo ocupa uma tela de altura (e não a seção inteira) e some para o preto nos últimos 22 % do bloco;
     evita esticar a imagem 4–9×. O fade é em % do bloco, para valer igual com vh (reserva) ou svh */
  .sec{--fade:linear-gradient(180deg,transparent 78%,var(--bg) 100%);background-size:auto 100vh;background-size:auto 100svh;background-position:top center}
  #t01{background-image:var(--fade),url(../assets/bg/t01.webp)}
  #t02{background-image:var(--fade),url(../assets/bg/t02.webp)}
  #t03{background-image:var(--fade),url(../assets/bg/t03.webp)}
  #t04{background-image:var(--fade),radial-gradient(80% 40% at 80% 30%,rgba(223,37,49,.18),transparent 70%)}
  /* T06: o fundo vai no palco do 3D (altura do palco, ~1,5× num ecrã 3×), com o chão exatamente sob a peça */
  #t06{background-image:none}
  .t06-stage{background:linear-gradient(180deg,var(--bg) 0%,transparent 22%,transparent 80%,var(--bg) 100%),url(../assets/bg/t06.webp) center/auto 100% no-repeat}
  #t07{background-image:var(--fade),linear-gradient(180deg,rgba(5,5,5,.85) 0%,rgba(5,5,5,.6) 40%,rgba(5,5,5,.15) 100%),url(../assets/bg/t07.webp)}
  #t08{background-image:var(--fade),url(../assets/bg/t08.webp)}
  #t10{background-image:var(--fade),url(../assets/bg/t10.webp)}
  /* T05: a chapa do F1 é uma <img>; também fica com uma tela de altura e some para baixo */
  .t05-plate{width:100%;height:100vh;height:100svh;max-height:100%;object-position:60% 40%;-webkit-mask-image:linear-gradient(180deg,#000 70%,transparent);mask-image:linear-gradient(180deg,#000 70%,transparent)}
}
@media (max-width:820px){
  :root{--bar-h:58px}
  .nav{display:none}
  .bar{grid-template-columns:1fr}
  .sec{padding:calc(var(--bar-h) + 32px) 0 120px;min-height:auto}
  .hero{padding-bottom:110px}
  .hero-bg img{object-position:58% 40%}
  .hero-bg::after{background:linear-gradient(0deg,rgba(5,5,5,.96) 0%,rgba(5,5,5,.75) 45%,rgba(5,5,5,.1) 75%)}
  .hero-in{flex-direction:column;align-items:stretch}
    .h1{font-size:34px}
  .ctas .btn{flex:1 1 100%;justify-content:center}
  #t04 .lead{max-width:none}
  .grid3,.grid2,.grid4{grid-template-columns:1fr}
  .c90{min-height:0}
  .scrolly .sc-grid,.scrolly .sc-grid-wide{display:flex;flex-direction:column;gap:24px}
  .sc-text{display:contents}
  .sc-text>.label,.sc-text>.h2,.sc-text>.lead{order:-2}
  .sc-fig{order:-1;position:sticky;top:calc(var(--bar-h) + 6px);z-index:2;width:100%}
  .sc-text .lsteps{padding-bottom:20vh}
  .scrolly .lstep{margin-bottom:46vh}
  .lean{padding:12px 12px 8px}
  .lean-chart{height:38vh;min-height:240px}
  .lean-cap,.lean-head .meta,.synth,.dots{display:none}
  .cut{padding:10px}
  .cut .cap{font-size:12px}
  .just,.lead,.refs li{hyphens:auto;-webkit-hyphens:auto}
  .cmp-stage{aspect-ratio:4/3}
  .spec dl div{grid-template-columns:1fr;gap:2px}
  .specs div{grid-template-columns:1fr;gap:4px}
  .timeline{grid-template-columns:1fr;margin-top:40px}
  .timeline::before,.tl::before,.tl::after{display:none}
  .t05-bg::after{background:linear-gradient(180deg,rgba(5,5,5,.92) 0%,rgba(5,5,5,.6) 38%,rgba(5,5,5,0) 60%),linear-gradient(0deg,rgba(5,5,5,.97) 0%,rgba(5,5,5,.7) 45%,rgba(5,5,5,0) 72%)}
  .totem-xl{flex-direction:column;align-items:flex-start;gap:6px}
  .phases{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:10px;margin-inline:calc(-1*var(--gutter));padding-inline:var(--gutter)}
  .phases li{flex:0 0 72%;scroll-snap-align:center}
  .progress-bar{grid-template-columns:repeat(6,1fr)}
  .progress-bar span{grid-column:1/-1;margin:6px 0 0}
  .t08-head{flex-direction:column}
  .t10-grid{grid-template-columns:1fr;gap:28px}
  .t06-side{order:-1}
  .t06-grid{display:flex;flex-direction:column}
  .authors li{font-size:17px;gap:12px}
  .in{width:44px;height:44px}   /* alvo de toque mínimo */
  .award{margin-top:0}
  .inst{margin-top:48px}
  .refs{columns:1}
  .foot{flex-direction:column;align-items:flex-start}
  .feedback{flex-direction:column;align-items:stretch;padding:18px}.feedback .btn{justify-content:center}
  .tabs{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(8,8,8,.86);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-top:1px solid var(--line-strong)}
  .tabs a,.tabs button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font:500 11.5px/1 var(--f-sans);color:var(--text-3);text-decoration:none}
  .tabs svg{width:22px;height:22px}
  .tabs .is-on{color:var(--red-text)}
  .toc:not([hidden]){display:block;position:fixed;left:12px;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));z-index:61;padding:18px 20px;border-radius:18px;background:rgba(14,14,14,.96);border:1px solid var(--line-strong);box-shadow:0 -10px 40px rgba(0,0,0,.6)}
  .toc ol{margin-top:8px}
  .toc a{display:flex;gap:14px;padding:12px 0;border-top:1px solid var(--line);color:#fff;text-decoration:none;font-size:16px}
  .toc b{color:var(--red-text);font-size:13px;font-weight:400}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{transition:opacity 200ms}
  .sc{transition:opacity 200ms;transition-delay:0ms}
  .progress-bar i,.progress-bar span{transition:opacity 200ms;transition-delay:0ms}
  .hero-bg{transform:none;transition:none}
  .chip-live::before,.pend{animation:none}
}