/* Por Dentro do Povo — página de venda
   Cores tiradas da capa: preto quente, vermelho do título, branco-papel, verde da ilustração. */
:root{
  --ink:#121110;
  --ink-2:#1b1917;
  --ink-3:#26231f;
  --paper:#ece9e4;
  --paper-dim:#a9a49c;
  --red:#c9302c;
  --red-hi:#e0413c;
  --teal:#6fb3a5;
  --line:rgba(236,233,228,.12);
  --sans:"Jost",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --gut:clamp(16px,5vw,48px);
  --safe-b:env(safe-area-inset-bottom,0px);
  /* tamanho do livro 3D (A5 = 148 × 210, lombada 10 mm) */
  --bw:min(62vw,300px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:17px;line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.mono{font-family:var(--mono);letter-spacing:.06em}
.muted{color:var(--paper-dim)}
.wrap{padding:0 var(--gut);max-width:1180px;margin:0 auto}
.eyebrow{font-size:12px;text-transform:uppercase;color:var(--red-hi);margin:0 0 14px}
.h2{font-size:clamp(32px,7.5vw,64px);line-height:1.02;font-weight:800;letter-spacing:-.01em;margin:0 0 20px;text-transform:uppercase}
.lead{font-family:var(--serif);font-size:clamp(19px,4.6vw,24px);line-height:1.45}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;min-height:52px;padding:0 26px;border-radius:2px;font:700 15px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s;-webkit-tap-highlight-color:transparent}
.btn:active{transform:scale(.98)}
.btn--red{background:var(--red);color:#fff}
.btn--red:hover{background:var(--red-hi)}
.btn--ghost{border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--paper)}
.btn--block{width:100%}

/* ---------- Abertura ---------- */
.loader{position:fixed;inset:0;z-index:100;background:#0b0a09;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;transition:opacity .8s ease,visibility .8s}
.loader__clock{font:500 clamp(56px,18vw,120px)/1 var(--mono);color:var(--paper);letter-spacing:.02em}
.loader__line{font:italic 400 18px var(--serif);color:var(--paper-dim);margin:0;opacity:0;animation:fadeUp .8s .5s forwards}
.loader__bar{width:120px;height:1px;background:var(--line);overflow:hidden}
.loader__bar span{display:block;height:100%;width:0;background:var(--red);transition:width .3s}
.loader.is-done{opacity:0;visibility:hidden}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- Navegação ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;justify-content:space-between;align-items:center;padding:calc(env(safe-area-inset-top,0px) + 14px) var(--gut) 14px;transition:background .3s,backdrop-filter .3s}
.nav.is-solid{background:rgba(18,17,16,.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav__brand{font-weight:800;font-size:15px;letter-spacing:.14em;text-decoration:none}
.nav__brand span{color:var(--red-hi)}
.nav__cta{font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;border:1px solid var(--line);padding:10px 14px}
.nav__cta:hover{border-color:var(--paper)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:96px var(--gut) 80px;overflow:hidden;isolation:isolate}
.hero__light{position:absolute;inset:-20%;z-index:-2;background:radial-gradient(circle at var(--lx,50%) var(--ly,35%),rgba(255,244,225,.20) 0,rgba(255,244,225,.06) 18%,transparent 42%),radial-gradient(ellipse at 50% 120%,rgba(201,48,44,.22),transparent 55%);transition:background .1s}
.hero__grain{position:absolute;inset:0;z-index:-1;opacity:.08;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero__kicker{font:500 12px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--paper-dim);margin:0 0 8px}
.hero__title{font-size:clamp(46px,13vw,120px);line-height:.9;font-weight:800;text-transform:uppercase;letter-spacing:-.02em;margin:10px 0 14px;color:var(--red-hi)}
.hero__tag{font:italic 400 clamp(17px,4.4vw,22px)/1.35 var(--serif);color:var(--paper);margin:0 0 26px}
.hero__actions{display:flex;flex-direction:column;gap:12px;width:100%;max-width:380px}
.hero__hint{font:400 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--paper-dim);margin:2px 0 0;transition:opacity .6s}
.hero__hint.is-hidden{opacity:0}
.scrollcue{position:absolute;bottom:calc(18px + var(--safe-b));left:50%;transform:translateX(-50%);width:22px;height:36px;border:1px solid var(--line);border-radius:12px}
.scrollcue span{position:absolute;left:50%;top:7px;width:2px;height:7px;margin-left:-1px;background:var(--paper);border-radius:2px;animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* ---------- Livro 3D ---------- */
.stage{--bh:calc(var(--bw) * 1.4189);--bt:calc(var(--bw) * .0676);position:relative;width:var(--bw);height:var(--bh);margin:22px auto 26px;perspective:1000px;perspective-origin:50% 40%;touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none}
.stage:active{cursor:grabbing}
.book{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,-24deg));will-change:transform}
.book__face{position:absolute;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}
.book__face img{width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-drag:none}
.book__front,.book__back{inset:0}
.book__front{transform:translateZ(calc(var(--bt) / 2));border-radius:0 3px 3px 0;box-shadow:inset 4px 0 6px -2px rgba(0,0,0,.45)}
.book__back{transform:rotateY(180deg) translateZ(calc(var(--bt) / 2));border-radius:3px 0 0 3px}
.book__spine{width:var(--bt);height:100%;left:calc(50% - var(--bt) / 2);transform:rotateY(-90deg) translateZ(calc(var(--bw) / 2))}
.book__pages{width:var(--bt);height:calc(100% - 6px);top:3px;left:calc(50% - var(--bt) / 2);transform:rotateY(90deg) translateZ(calc(var(--bw) / 2 - 3px));background:repeating-linear-gradient(90deg,#f3eee4 0 1px,#d9d2c4 1px 2px),#ece6da}
.book__top,.book__bottom{height:var(--bt);width:calc(100% - 4px);left:0;top:calc(50% - var(--bt) / 2);background:repeating-linear-gradient(0deg,#f3eee4 0 1px,#d6cfbf 1px 2px)}
.book__top{transform:rotateX(90deg) translateZ(calc(var(--bh) / 2 - 3px))}
.book__bottom{transform:rotateX(-90deg) translateZ(calc(var(--bh) / 2 - 3px))}
.book__gloss{position:absolute;inset:0;pointer-events:none;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.22) var(--gloss,45%),transparent calc(var(--gloss,45%) + 18%));mix-blend-mode:screen}
.stage__shadow{position:absolute;left:8%;right:8%;bottom:-34px;height:26px;background:radial-gradient(ellipse at center,rgba(0,0,0,.75),transparent 70%);filter:blur(6px);transform:scaleX(var(--sh,1));z-index:-1}

/* ---------- Prólogo ---------- */
.prologue{padding:110px var(--gut) 120px;max-width:760px;margin:0 auto}
.prologue__time{font-size:12px;color:var(--red-hi);margin-bottom:34px}
.prologue__text .line{font:400 clamp(24px,6.4vw,40px)/1.25 var(--serif);margin:0 0 .7em;color:var(--paper);opacity:.14;transition:opacity .7s ease,transform .7s ease;transform:translateY(14px)}
.prologue__text .line.is-in{opacity:1;transform:none}
.prologue__text .line--accent{font-style:italic;color:var(--red-hi)}
.call{margin-top:56px;border:1px solid var(--line);background:linear-gradient(180deg,var(--ink-2),var(--ink));padding:22px 20px 18px;border-radius:4px}
.call__head{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--paper-dim);margin-bottom:16px}
.call__dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(111,179,165,.6);animation:ring 1.4s infinite}
@keyframes ring{70%{box-shadow:0 0 0 10px rgba(111,179,165,0)}100%{box-shadow:0 0 0 0 rgba(111,179,165,0)}}
.call p{font:400 19px/1.4 var(--serif);margin:0 0 10px;opacity:0;transform:translateY(6px);transition:opacity .5s,transform .5s}
.call__a{color:var(--paper-dim)}
.call.is-in p{opacity:1;transform:none}
.call.is-in p:nth-of-type(2){transition-delay:.9s}
.call.is-in p:nth-of-type(3){transition-delay:1.8s}
.call__end{font-size:11px;color:var(--red-hi);margin-top:12px;opacity:0;transition:opacity .5s 2.8s}
.call.is-in .call__end{opacity:1}

/* ---------- Livro que roda com o scroll ---------- */
.turn{position:relative;height:320svh}
.turn__sticky{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:70px var(--gut) calc(84px + var(--safe-b));overflow:hidden}
@media (min-width:760px){.turn__sticky{padding-bottom:24px}}
.turn__copy{text-align:center;max-width:720px}
.turn__title{font:400 clamp(22px,5.6vw,38px)/1.2 var(--serif);margin:0}
.turn__title em{color:var(--paper-dim)}
.stage--turn{--bw:min(44vw,240px,26svh);margin:26px auto 30px;cursor:default;touch-action:auto}
.turn__steps{list-style:none;margin:0;padding:0;position:relative;width:100%;max-width:520px;min-height:7.5em}
.turn__steps li{position:absolute;inset:0;text-align:center;font:400 clamp(17px,4.4vw,21px)/1.45 var(--serif);opacity:0;transform:translateY(12px);transition:opacity .2s,transform .2s}
.turn__steps li.is-on{opacity:1;transform:none;transition:opacity .5s .15s,transform .5s .15s}
.turn__steps strong{font-family:var(--sans);font-weight:700;color:var(--paper)}

/* ---------- Personagens ---------- */
.cast{padding:100px 0 90px;border-top:1px solid var(--line)}
.cast__rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px var(--gut) 18px;scrollbar-width:none;-webkit-overflow-scrolling:touch;outline:none}
.cast__rail::-webkit-scrollbar{display:none}
.card{flex:0 0 min(80vw,330px);scroll-snap-align:center;background:var(--ink-2);border:1px solid var(--line);padding:26px 22px 28px;position:relative;min-height:290px;transition:border-color .3s}
.card:hover{border-color:rgba(236,233,228,.3)}
.card__n{position:absolute;top:18px;right:20px;font-size:12px;color:var(--paper-dim)}
.card h3{font-size:26px;line-height:1.05;margin:26px 0 6px;font-weight:800;text-transform:uppercase}
.card__role{font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--red-hi);margin:0 0 18px}
.card p:last-child{font-family:var(--serif);font-size:18px;color:#d6d2cb;margin:0}
.cast__dots{display:flex;gap:8px;justify-content:center}
.cast__dots i{width:6px;height:6px;border-radius:50%;background:var(--line);transition:background .3s,width .3s}
.cast__dots i.on{background:var(--paper);width:18px;border-radius:3px}

/* ---------- Holofote ---------- */
.spot{padding:40px 0 100px}
.spot__frame{position:relative;max-width:900px;margin:0 auto;background:#fff;touch-action:pan-y}
.spot__img{width:100%;height:auto;filter:grayscale(1) contrast(1.05)}
.spot__mask{position:absolute;inset:-1px;pointer-events:none;background:radial-gradient(circle at var(--sx,72%) var(--sy,22%),transparent 0,transparent var(--sr,90px),rgba(12,11,10,.55) calc(var(--sr,90px) + 30px),rgba(12,11,10,.96) calc(var(--sr,90px) + 120px))}
.spot__copy{padding:34px var(--gut) 0;max-width:760px;margin:0 auto}
.spot__hint{font-size:11px;color:var(--paper-dim);text-transform:uppercase;margin:0 0 22px}

/* ---------- Frases ---------- */
.quotes{padding:40px var(--gut) 90px;max-width:900px;margin:0 auto;display:grid;gap:56px}
.quote{margin:0;border-left:2px solid var(--red);padding-left:20px}
.quote blockquote{margin:0 0 10px;font:400 clamp(26px,6.6vw,44px)/1.18 var(--serif)}
.quote figcaption{font-size:11px;color:var(--paper-dim);text-transform:uppercase}

/* ---------- Autor ---------- */
.author{padding:90px var(--gut);border-top:1px solid var(--line);display:grid;gap:34px;max-width:1080px;margin:0 auto;align-items:center}
.author__photo{max-width:340px;width:78%;margin:0 auto}
.author__photo img{width:100%;height:auto}
.author__copy p:last-child{color:#cfcac2;font-family:var(--serif);font-size:18px}

/* ---------- Checkout ---------- */
.checkout{padding:100px 0 60px;background:linear-gradient(180deg,var(--ink) 0,var(--ink-2) 140px);border-top:1px solid var(--line)}
.co{padding:10px var(--gut) 0;max-width:1080px;margin:0 auto;display:grid;gap:22px}
.co__summary{background:var(--ink-3);border:1px solid var(--line);padding:20px}
.co__product{display:flex;gap:16px;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
.co__thumb{width:76px;flex:0 0 76px;perspective:500px}
.co__thumb img{transform:rotateY(-18deg);box-shadow:8px 10px 20px rgba(0,0,0,.5)}
.co__product h3{margin:0;font-size:20px;text-transform:uppercase;font-weight:800}
.co__product p{margin:4px 0 0;font-size:14px}
.co__unit{font-weight:700;font-size:18px!important;color:var(--paper)}
.qty{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.qty__ctrl{display:flex;align-items:center;border:1px solid var(--line)}
.qty__ctrl button{width:48px;height:48px;background:none;border:0;color:var(--paper);font-size:22px;cursor:pointer}
.qty__ctrl output{min-width:36px;text-align:center;font:500 17px var(--mono)}
.totals{margin:14px 0 0}
.totals div{display:flex;justify-content:space-between;padding:6px 0;color:var(--paper-dim)}
.totals dt,.totals dd{margin:0}
.totals__all{color:var(--paper)!important;font-weight:700;font-size:20px;border-top:1px solid var(--line);margin-top:8px;padding-top:14px!important}
.co__block{border:0;margin:0;padding:0;display:grid;gap:14px}
.co__block legend{font:700 13px var(--sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;padding:0}
.f{display:grid;gap:6px}
.f span{font-size:13px;color:var(--paper-dim)}
.f em{font-style:normal;opacity:.7}
.f input,.f select{width:100%;min-height:52px;padding:0 14px;background:var(--ink);border:1px solid rgba(236,233,228,.2);border-radius:2px;color:var(--paper);font:400 16px var(--sans);-webkit-appearance:none;appearance:none}
.f select{background-image:linear-gradient(45deg,transparent 50%,var(--paper-dim) 50%),linear-gradient(135deg,var(--paper-dim) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.f input:focus,.f select:focus{outline:none;border-color:var(--paper)}
.f input.is-bad{border-color:var(--red-hi)}
.f-row{display:grid;grid-template-columns:1fr;gap:14px}
.pay{display:grid;gap:10px}
.pay__opt{display:flex;gap:14px;align-items:center;border:1px solid rgba(236,233,228,.2);padding:14px;cursor:pointer;transition:border-color .2s,background .2s}
.pay__opt input{accent-color:var(--red);width:20px;height:20px;flex:0 0 20px}
.pay__opt span{display:grid}
.pay__opt small{color:var(--paper-dim);font-size:13px}
.pay__opt:has(input:checked){border-color:var(--red);background:rgba(201,48,44,.08)}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--paper-dim);margin-top:6px}
.check input{accent-color:var(--red);width:20px;height:20px;flex:0 0 20px;margin:1px 0 0}
.co__error{color:var(--red-hi);margin:0;font-size:15px}
.co__note{font-size:13px;text-align:center;margin:0}

/* ---------- Fecho ---------- */
.closing{padding:110px var(--gut) 130px;text-align:center}
.closing__q{font:400 clamp(30px,8vw,64px)/1.08 var(--serif);margin:0 0 34px}
.closing__q span{font-style:italic;color:var(--red-hi)}
.foot{padding:30px var(--gut) calc(110px + var(--safe-b));border-top:1px solid var(--line);font-size:13px;text-align:center}
.foot p{margin:4px 0}

/* ---------- Barra de compra fixa (telemóvel) ---------- */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px var(--gut) calc(10px + var(--safe-b));background:rgba(18,17,16,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .4s ease}
.buybar.is-on{transform:none}
.buybar__info{display:grid;line-height:1.2}
.buybar__info b{font-size:14px;text-transform:uppercase;letter-spacing:.06em}
.buybar__info span{color:var(--paper-dim);font-size:14px}
.buybar .btn{min-height:46px;padding:0 22px}

/* ---------- Modal ---------- */
.modal{border:1px solid var(--line);background:var(--ink-2);color:var(--paper);padding:0;max-width:min(92vw,440px);border-radius:4px}
.modal::backdrop{background:rgba(0,0,0,.7)}
.modal__body{padding:28px 22px 22px}
.modal h3{font-size:28px;margin:0 0 10px;text-transform:uppercase}
.modal p{font-family:var(--serif);font-size:18px}

/* ---------- Aparecer ao fazer scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Ecrãs maiores ---------- */
@media (min-width:760px){
  :root{--bw:300px}
  .hero__actions{flex-direction:row;max-width:none;justify-content:center}
  .f-row{grid-template-columns:200px 1fr}
  .author{grid-template-columns:340px 1fr}
  .author__photo{width:100%}
  .cast__rail{justify-content:center}
  .buybar{display:none}
  .foot{padding-bottom:30px}
}
@media (min-width:1000px){
  .hero{display:grid;grid-template-columns:1fr 1fr;grid-template-areas:"kicker stage" "title stage" "tag stage" "actions stage" "hint stage";text-align:left;column-gap:40px;align-content:center;padding-left:max(var(--gut),calc((100vw - 1180px)/2));padding-right:max(var(--gut),calc((100vw - 1180px)/2))}
  .hero__kicker{grid-area:kicker;align-self:end}
  .hero__title{grid-area:title}
  .hero__tag{grid-area:tag}
  .hero__actions{grid-area:actions;justify-content:flex-start}
  .hero .stage{grid-area:stage;--bw:340px}
  .hero__hint{grid-area:hint;display:none}
  .co{grid-template-columns:1fr 380px;align-items:start}
  .co__summary{grid-column:2;grid-row:1 / span 6;position:sticky;top:90px}
  .co > :not(.co__summary){grid-column:1}
}

/* Movimento reduzido */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal,.prologue__text .line{opacity:1;transform:none}
}