/* Quatro Linhas da Constituição — folha de estilo única */

:root{
  --paper:#F0F2ED;
  --paper-2:#E7EAE2;
  --ink:#1A211B;
  --muted:#5E675E;
  --accent:#2F6B45;          /* verde, promulgada */
  --accent-soft:#DCE8DE;
  --rule:#C6CCC2;
  --frame:#B7BEB3;
  --outorgada:#8C3A2E;       /* vermelho, imposta */
  --outorgada-2:#6E2A31;     /* bordô, 1969 */
  --hibrida:#C2662B;         /* laranja, 1967 */
  --ouro:#A98C46;            /* filete das lombadas */
  --spine-ink:#F4F1E6;

  --f-display:"Bodoni Moda",Georgia,"Times New Roman",serif;
  --f-body:"Spectral",Georgia,"Times New Roman",serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --step--1:clamp(.82rem,.79rem + .12vw,.9rem);
  --step-0:clamp(1.03rem,.99rem + .2vw,1.15rem);
  --step-1:clamp(1.24rem,1.16rem + .35vw,1.45rem);
  --step-2:clamp(1.5rem,1.34rem + .7vw,2rem);
  --step-3:clamp(1.95rem,1.6rem + 1.6vw,3.1rem);
  --step-4:clamp(2.4rem,1.75rem + 2.9vw,4.4rem);

  --measure:64ch;
  --pad:clamp(1.15rem,4vw,3rem);
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#131511;
    --paper-2:#1B1E18;
    --ink:#E8EAE1;
    --muted:#99A197;
    --accent:#77B98C;
    --accent-soft:#1E2A21;
    --rule:#2C3129;
    --frame:#353B32;
    --outorgada:#D28C7C;
    --outorgada-2:#C4737C;
    --hibrida:#E0985B;
    --ouro:#C9A961;
    --spine-ink:#F4F1E6;
  }
}
:root[data-theme="dark"]{
  --paper:#131511;
  --paper-2:#1B1E18;
  --ink:#E8EAE1;
  --muted:#99A197;
  --accent:#77B98C;
  --accent-soft:#1E2A21;
  --rule:#2C3129;
  --frame:#353B32;
  --outorgada:#D28C7C;
  --outorgada-2:#C4737C;
  --hibrida:#E0985B;
  --ouro:#C9A961;
  --spine-ink:#F4F1E6;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:var(--step-0);
  line-height:1.62;
  font-synthesis-weight:none;
}
::selection{background:var(--accent-soft);color:var(--ink)}
a{color:inherit;text-decoration-color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:.06em}
a:hover{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.wrap{width:100%;max-width:78rem;margin-inline:auto;padding-inline:var(--pad)}

/* ---------- cabeçalho ---------- */
.top{border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;padding-block:1.4rem}
.mark{display:flex;align-items:baseline;gap:.7rem;text-decoration:none}
.mark .glyph{
  display:inline-grid;gap:2px;justify-items:center;align-content:center;
  width:1.05em;height:1.05em;translate:0 .08em;
}
.mark .glyph i{display:block;height:2px;background:var(--accent);border-radius:1px}
.mark .glyph i:nth-child(1){width:38%;background:var(--ouro)}
.mark .glyph i:nth-child(2){width:72%}
.mark .glyph i:nth-child(3){width:100%}
@media (max-width:34rem){.mark .name{font-size:var(--step-0)}}
.mark .name{font-family:var(--f-display);font-size:var(--step-1);font-weight:600;letter-spacing:.005em}
.nav{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;font-family:var(--f-mono);font-size:var(--step--1);letter-spacing:.06em;text-transform:uppercase}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--accent)}

/* ---------- abertura ---------- */
.lede{padding-block:clamp(3rem,9vw,6.5rem) clamp(2rem,5vw,3.5rem)}
.lede .wrap{max-width:52rem;margin-inline:0}
.eyebrow{font-family:var(--f-mono);font-size:var(--step--1);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 1.1rem}
.lede h1{
  font-family:var(--f-display);font-weight:500;font-size:var(--step-4);
  line-height:1.02;letter-spacing:-.015em;margin:0;text-wrap:balance;
}
.lede p{max-width:44ch;color:var(--muted);font-size:var(--step-1);line-height:1.5;margin:1.6rem 0 0}

/* ---------- índice de textos ---------- */
.section-label{
  font-family:var(--f-mono);font-size:var(--step--1);letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);padding-block:1rem;border-top:1px solid var(--rule);margin:0 0 .5rem;
}
.index{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.entry{border-top:1px solid var(--rule)}
.entry:last-child{border-bottom:1px solid var(--rule)}
.entry a{
  display:grid;gap:.55rem 2.5rem;padding-block:1.9rem;text-decoration:none;
  grid-template-columns:1fr;
}
@media (min-width:56rem){
  .entry a{grid-template-columns:9rem 1fr 16rem;align-items:start}
}
.entry time{font-family:var(--f-mono);font-size:var(--step--1);color:var(--muted);font-variant-numeric:tabular-nums}
.entry h2{font-family:var(--f-display);font-weight:500;font-size:var(--step-2);line-height:1.14;margin:0;text-wrap:balance}
.entry p{margin:.5rem 0 0;color:var(--muted);font-size:var(--step--1);line-height:1.55;max-width:52ch}
.entry a:hover h2{color:var(--accent)}
.devices{display:flex;flex-wrap:wrap;gap:.35rem;align-content:start}
.device{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.02em;
  color:var(--muted);border:1px solid var(--rule);border-radius:2px;padding:.16rem .42rem;white-space:nowrap;
}

/* ---------- artigo ---------- */
.article{padding-block:clamp(2.5rem,7vw,5rem) 0}
.article .wrap{max-width:var(--measure);margin-inline:auto}
.article-head{margin-bottom:clamp(2rem,5vw,3.2rem)}
.article-head time{font-family:var(--f-mono);font-size:var(--step--1);color:var(--muted);display:block;margin-bottom:1rem}
.article-head h1{
  font-family:var(--f-display);font-weight:500;font-size:var(--step-3);line-height:1.08;
  letter-spacing:-.012em;margin:0;text-wrap:balance;
}
.standfirst{font-size:var(--step-1);line-height:1.5;color:var(--muted);margin:1.4rem 0 0}
.article-head .devices{margin-top:1.6rem}

.prose > *{margin-block:0 1.25em}
.prose h2{
  font-family:var(--f-display);font-weight:500;font-size:var(--step-2);line-height:1.16;
  margin-block:2.6em .7em;text-wrap:balance;
}
.prose h2:first-child{margin-top:0}
.prose strong{font-weight:600}
.prose em{font-style:italic}
.prose .art{font-family:var(--f-mono);font-size:.9em;color:var(--accent);white-space:nowrap}
.prose blockquote{
  margin:2em 0;padding:1.3em 0 1.3em 1.5em;border-left:2px solid var(--accent);
  font-size:var(--step-1);line-height:1.45;color:var(--ink);
}
.prose blockquote cite{display:block;margin-top:.8em;font-style:normal;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

/* quadro das quatro linhas */
.field{
  margin:2.6em 0;padding:clamp(1.4rem,4vw,2.2rem);
  border:1px solid var(--frame);background:var(--paper-2);
  position:relative;
}
.field::before,.field::after{
  content:"";position:absolute;left:.75rem;right:.75rem;height:1px;background:var(--frame);opacity:.55;
}
.field::before{top:.75rem}
.field::after{bottom:.75rem}
.field h3{
  font-family:var(--f-mono);font-size:var(--step--1);letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin:0 0 .9rem;font-weight:500;
}
.field p:last-child{margin-bottom:0}

.prose h3{font-family:var(--f-display);font-weight:500;font-size:var(--step-1);line-height:1.2;margin-block:2.1em .6em}
.constr{margin:2.2em 0;padding:clamp(1rem,3vw,1.8rem);border:1px solid var(--rule);background:var(--paper-2)}
.constr svg{display:block;width:100%;height:auto;color:var(--muted);overflow:visible}
.constr figcaption{margin-top:1.2rem;padding-top:.9rem;border-top:1px solid var(--rule);font-size:var(--step--1);color:var(--muted);line-height:1.55}
.fonte{
  font-size:var(--step--1);color:var(--muted);line-height:1.5;
  border-left:2px solid var(--rule);padding-left:.9rem;margin-block:-.5em 1.6em;
}
.fonte a{color:inherit}
.sources{border-top:1px solid var(--rule);margin-top:3.5rem;padding-top:1.4rem;font-size:var(--step--1);color:var(--muted)}
.sources h2{font-family:var(--f-mono);font-size:var(--step--1);letter-spacing:.12em;text-transform:uppercase;margin:0 0 .7rem;font-weight:500;color:var(--muted)}
.sources ul{margin:0;padding-left:1.1rem}
.sources li{margin-bottom:.35rem}

/* ---------- páginas de texto corrido ---------- */
.page{padding-block:clamp(2.5rem,7vw,5rem) 0}
.page .wrap{max-width:var(--measure);margin-inline:auto}
.page h1{font-family:var(--f-display);font-weight:500;font-size:var(--step-3);line-height:1.08;margin:0 0 1.6rem;text-wrap:balance}

/* ---------- rodapé ---------- */
.foot{margin-top:clamp(4rem,10vw,7rem);border-top:1px solid var(--rule);padding-block:2.5rem 3.5rem}
.foot .wrap{display:flex;gap:2rem 3rem;flex-wrap:wrap;justify-content:space-between;align-items:start}
.foot p{margin:0;max-width:46ch;font-size:var(--step--1);color:var(--muted);line-height:1.55}
.foot .who{font-family:var(--f-mono);font-size:var(--step--1);letter-spacing:.05em;color:var(--muted)}


/* ---------- a estante ---------- */
.estante{padding-block:clamp(2.5rem,6vw,4rem) 0}
.shelf{
  list-style:none;margin:1.8rem 0 0;padding:0 .2rem 1.6rem;
  display:flex;align-items:flex-end;gap:.45rem;
  overflow-x:auto;
}
.spine{
  --leather:var(--accent);
  --foil:#EBD7A2;
  flex:0 0 auto;
  inline-size:clamp(3.1rem,5.2vw,4rem);
  block-size:calc(var(--h,1) * clamp(22rem,36vw,30rem));
  position:relative;border-radius:5px 5px 2px 2px;
  background:
    linear-gradient(90deg,
      rgba(0,0,0,.44) 0%, rgba(0,0,0,.12) 9%,
      rgba(255,255,255,.11) 32%, rgba(255,255,255,.03) 56%,
      rgba(0,0,0,.14) 79%, rgba(0,0,0,.48) 100%),
    repeating-linear-gradient(101deg,rgba(255,255,255,.038) 0 1px,rgba(0,0,0,0) 1px 3px),
    repeating-linear-gradient(6deg,rgba(0,0,0,.05) 0 1px,rgba(0,0,0,0) 1px 4px),
    var(--leather);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.20),
    inset 0 -2px 3px rgba(0,0,0,.40),
    3px 0 9px -5px rgba(0,0,0,.55),
    0 18px 26px -16px rgba(0,0,0,.70);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
/* nervuras e filetes dourados, cabeça e pé */
.spine::before,.spine::after{
  content:"";position:absolute;inset-inline:0;height:38px;pointer-events:none;
  background:linear-gradient(180deg,
    rgba(0,0,0,0) 0 6px,
    rgba(0,0,0,.30) 6px 7px,
    rgba(255,255,255,.16) 7px 10px,
    rgba(0,0,0,.30) 10px 11px,
    rgba(0,0,0,0) 11px 17px,
    var(--foil) 17px 18px,
    rgba(0,0,0,0) 18px 38px);
  opacity:.9;
}
.spine::before{top:2.1rem}
.spine::after{bottom:2.1rem;rotate:180deg}
.spine a{
  position:absolute;inset:0;z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  writing-mode:vertical-rl;rotate:180deg;
  padding-inline:4.6rem 4.3rem;padding-block:.28rem;box-sizing:border-box;
  text-decoration:none;color:var(--foil);
  text-shadow:0 1px 1px rgba(0,0,0,.55);
}
.sp-name{
  font-family:var(--f-display);font-weight:500;
  font-size:clamp(.52rem,.92vw,.62rem);letter-spacing:.045em;text-transform:uppercase;
  line-height:1.34;flex:0 1 auto;min-inline-size:0;
}
.sp-year,.sp-sigla{
  position:absolute;inset-inline:0;z-index:2;pointer-events:none;
  writing-mode:horizontal-tb;text-align:center;
  color:var(--foil);text-shadow:0 1px 1px rgba(0,0,0,.55);
}
.sp-year{
  top:.75rem;
  font-family:var(--f-display);font-weight:500;
  font-size:clamp(.66rem,1.1vw,.8rem);letter-spacing:.02em;
}
.sp-sigla{
  top:auto;bottom:.7rem;
  font-family:var(--f-mono);font-size:clamp(.46rem,.78vw,.55rem);letter-spacing:.09em;
  opacity:.92;
}

.spine:hover,.spine:focus-within{transform:translateY(-9px);filter:brightness(1.07) saturate(1.05)}
.spine:hover a,.spine a:focus-visible{color:#F8ECC4;outline:none}
.spine:focus-within{box-shadow:0 0 0 2px var(--ouro),inset 0 1px 0 rgba(255,255,255,.2),0 18px 26px -16px rgba(0,0,0,.7)}
.spine--promulgada{--leather:#2E5E3F}
.spine--outorgada{--leather:#7B2B27}
.spine--outorgada2{--leather:#5E2229}
.spine--hibrida{--leather:#A9541F}
/* 1988, a que está em vigor, na capa da edição do Senado */
.spine--vigente{
  --leather:#0B7A3F;
  --foil:#F4F6F1;
  background:
    linear-gradient(90deg,
      rgba(0,0,0,.34) 0%, rgba(0,0,0,.08) 9%,
      rgba(255,255,255,.14) 32%, rgba(255,255,255,.04) 56%,
      rgba(0,0,0,.10) 79%, rgba(0,0,0,.38) 100%),
    repeating-linear-gradient(101deg,rgba(255,255,255,.03) 0 1px,rgba(0,0,0,0) 1px 3px),
    repeating-linear-gradient(6deg,rgba(0,0,0,.035) 0 1px,rgba(0,0,0,0) 1px 4px),
    linear-gradient(180deg,
      #F2F4EF 0 7.5rem,
      rgba(0,0,0,.24) 7.5rem calc(7.5rem + 1.5px),
      #0B7A3F calc(7.5rem + 1.5px) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.24),
    inset 0 -2px 3px rgba(0,0,0,.40),
    3px 0 10px -4px rgba(0,0,0,.55),
    0 22px 30px -16px rgba(0,0,0,.75),
    0 0 0 1px rgba(254,221,0,.35);
}
.spine--vigente::before{
  top:2.1rem;opacity:1;
  background:linear-gradient(180deg,
    rgba(0,0,0,0) 0 6px,
    rgba(11,122,63,.42) 6px 7px,
    rgba(11,122,63,.14) 7px 10px,
    rgba(11,122,63,.42) 10px 11px,
    rgba(0,0,0,0) 11px 17px,
    #0B7A3F 17px 18px,
    rgba(0,0,0,0) 18px 38px);
}
.spine--vigente::after{opacity:1}
.sp-flag{
  position:absolute;left:50%;top:4.82rem;z-index:2;pointer-events:none;
  width:1.55rem;height:1.085rem;translate:-50% 0;
  border-radius:1.5px;overflow:hidden;
  box-shadow:0 1px 3px rgba(0,0,0,.35),0 0 0 1px rgba(0,0,0,.16);
}
.sp-flag .flagmini{display:block;width:100%;height:100%}
.spine--vigente a{padding-inline:4.6rem 8.6rem}
.spine--vigente .sp-year{color:#0B7A3F;text-shadow:none}
.spine--vigente .sp-name{color:#F4F6F1}
.shelf-hint{
  margin:1.1rem 0 0;font-family:var(--f-mono);font-size:var(--step--1);
  letter-spacing:.02em;color:var(--muted);
}
@media (prefers-reduced-motion:reduce){.spine{transition:none}.spine:hover{transform:none}}

.legend{
  display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;margin:1.4rem 0 0;padding:0;
  font-family:var(--f-mono);font-size:var(--step--1);color:var(--muted);
}
.legend span{display:inline-flex;align-items:center;gap:.5rem}
.key{width:.72rem;height:.72rem;border-radius:2px;flex:0 0 auto}
.key--promulgada{background:var(--accent)}
.key--outorgada{background:var(--outorgada)}
.key--hibrida{background:var(--hibrida)}
.shelf-note{margin:1.2rem 0 0;font-size:var(--step--1);color:var(--muted);max-width:62ch;line-height:1.55}

/* lombada ao lado do artigo */
.article .wrap{position:relative}
@media (min-width:62rem){
  .article-head{padding-left:1.6rem;border-left:3px solid var(--accent)}
}


/* ---------- emblema, bandeira provisória ---------- */
.emblema{padding-block:clamp(2.6rem,6vw,4rem) 0}
.flagfig{margin:0;display:grid;gap:clamp(1.4rem,3vw,2.6rem);align-items:start}
@media (min-width:56rem){.flagfig{grid-template-columns:19rem 1fr}}
.flagbox{border:1px solid var(--rule);padding:.85rem;background:var(--paper-2)}
.flagbox .flag{display:block;width:100%;height:auto}
.flagfig figcaption p{margin:0 0 1rem;max-width:60ch;line-height:1.6}
.flagfig figcaption p:last-child{margin-bottom:0}
.fig-note{font-size:var(--step--1);color:var(--muted);border-top:1px solid var(--rule);padding-top:.9rem}


/* ---------- chave de leitura, logo abaixo da abertura ---------- */
.chave{background:var(--paper-2);border-top:1px solid var(--ouro);border-bottom:1px solid var(--rule);padding-block:clamp(1.9rem,4.2vw,2.9rem)}
.chave p{
  font-family:var(--f-display);font-weight:400;font-size:var(--step-1);line-height:1.45;
  max-width:58ch;margin:0 auto;text-align:center;text-wrap:pretty;color:var(--ink);
}

/* ---------- abertura com fotografia ---------- */
.hero{position:relative;isolation:isolate;min-height:clamp(26rem,64vh,40rem);display:grid;align-items:end;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 46%;z-index:-2}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(12,16,10,.30) 0%,rgba(12,16,10,.52) 42%,rgba(12,16,10,.86) 100%);
}
.hero-copy{padding-block:clamp(2.4rem,6vw,4.4rem)}
.hero-copy .wrap{max-width:64rem}
.hero-copy .eyebrow{color:#B7DFC4}
.hero-copy h1{
  font-family:var(--f-display);font-weight:500;font-size:var(--step-4);
  line-height:1.02;letter-spacing:-.015em;margin:0;text-wrap:balance;color:#F6F5EE;
  text-shadow:0 1px 24px rgba(0,0,0,.45);
}
.hero-copy p{max-width:46ch;color:#DCDED3;font-size:var(--step-1);line-height:1.5;margin:1.5rem 0 0}
.hero-credit{
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.04em;color:var(--muted);
  margin:.7rem 0 0;text-align:right;
}
.empty{color:var(--muted);max-width:60ch;margin:.4rem 0 0;padding-block:1.4rem;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}

.foot .credit{
  flex-basis:100%;order:3;margin-top:.4rem;padding-top:1.1rem;border-top:1px solid var(--rule);
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.02em;color:var(--muted);max-width:none;
}