/* Vetrubo — folha de estilo única para todas as páginas */

:root{
  --bg:#f4f0e8;
  --bg-alt:#e7e1d5;
  --dark:#20242a;
  --text:#22201b;
  --muted:#776f62;
  --accent:#2c4668;
  --accent2:#a06a2c;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:24px;
  --step:80px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

h1,h2,h3{font-family:var(--serif);line-height:1.05;font-weight:400;margin:0 0 20px}
h1{font-size:clamp(2.4rem,5.4vw,4.1rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem)}
h3{font-size:1.18rem;line-height:1.2;margin-bottom:12px}

p{margin:0 0 22px}
p:last-child{margin-bottom:0}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:0 var(--gap)}

/* --- costura: linhas tracejadas de passo largo --- */
.stitch,
.stitch-x,
.stitch-left,
.stitch-right,
.stitch-top,
.stitch-bottom{background-repeat:no-repeat}

.stitch{
  background-image:
    repeating-linear-gradient(to right,var(--accent) 0 14px,transparent 14px 24px),
    repeating-linear-gradient(to right,var(--accent) 0 14px,transparent 14px 24px),
    repeating-linear-gradient(to bottom,var(--accent) 0 14px,transparent 14px 24px),
    repeating-linear-gradient(to bottom,var(--accent) 0 14px,transparent 14px 24px);
  background-size:100% 2px,100% 2px,2px 100%,2px 100%;
  background-position:0 0,0 100%,0 0,100% 0;
}
.stitch-left{
  background-image:repeating-linear-gradient(to bottom,var(--accent) 0 14px,transparent 14px 24px);
  background-size:2px 100%;background-position:0 0;
}
.stitch-right{
  background-image:repeating-linear-gradient(to bottom,var(--accent) 0 14px,transparent 14px 24px);
  background-size:2px 100%;background-position:100% 0;
}
.stitch-top{
  background-image:repeating-linear-gradient(to right,var(--accent) 0 14px,transparent 14px 24px);
  background-size:100% 2px;background-position:0 0;
}
.stitch-bottom{
  background-image:repeating-linear-gradient(to right,var(--accent) 0 14px,transparent 14px 24px);
  background-size:100% 2px;background-position:0 100%;
}

/* separador de linha simples ao comprimento da coluna de texto */
.seam{
  height:2px;margin:40px 0;
  background-image:repeating-linear-gradient(to right,var(--accent2) 0 10px,transparent 10px 20px);
  background-size:100% 2px;background-repeat:no-repeat;
}

/* costura dupla entre partes grandes */
.double-seam{
  height:8px;border-top:1px solid var(--muted);
  background-image:repeating-linear-gradient(to right,var(--accent) 0 14px,transparent 14px 24px);
  background-size:100% 2px;background-position:0 5px;background-repeat:no-repeat;
}

/* --- cabeçalho --- */
.site-head{padding:22px 0 0}
.head-inner{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:12px 28px;padding-bottom:14px;
}
.brand{
  font-family:var(--serif);font-size:1.5rem;letter-spacing:.02em;
  color:var(--text);text-decoration:none;
}
.brand:hover{color:var(--accent)}
.nav{list-style:none;display:flex;flex-wrap:wrap;gap:8px 24px;margin:0;padding:0;font-size:15px}
.nav a{color:var(--text);text-decoration:none;padding-bottom:2px}
.nav a:hover{color:var(--accent);border-bottom:2px solid var(--accent)}

/* --- hero --- */
.hero{padding:34px 0 var(--step)}
.hero-frame{padding:34px 24px 30px}
.hero-top{align-items:start}
.hero-title{grid-column:1 / span 8}
.hero-title h1{margin-bottom:14px}
.kicker{
  font-size:13px;line-height:1.5;color:var(--accent2);
  margin:0 0 18px;letter-spacing:.06em;
}
.hero-lead{grid-column:9 / span 4;padding-left:22px;font-size:16px}
.hero-lead p{margin-bottom:16px}

.hero-body{margin-top:44px;align-items:end}
.hero-notes{grid-column:1 / span 5;align-self:start;padding-right:20px}
.hero-notes ul{margin:0;padding-left:20px}
.hero-notes li{margin-bottom:10px}
.hero-fig{grid-column:7 / span 6;margin:0}
.fig-frame{padding:12px}
figcaption{font-size:13px;line-height:1.6;color:var(--muted);margin-top:12px;max-width:46ch}

/* --- secções de texto --- */
.band{padding:var(--step) 0}
.band-alt{background:var(--bg-alt)}
.band-dark{background:var(--dark);color:var(--bg)}

.col-7{grid-column:1 / span 7;padding-right:26px}
.col-7-right{grid-column:6 / span 7;padding-left:26px}
.col-5{grid-column:1 / span 5;padding-right:22px}
.col-5-right{grid-column:8 / span 5;padding-left:22px}
.col-6-right{grid-column:7 / span 6;padding-left:26px}
.col-8{grid-column:1 / span 8;padding-right:26px}

.sec-num{
  display:block;font-family:var(--serif);font-size:13px;letter-spacing:.14em;
  color:var(--accent2);margin-bottom:10px;
}

.band + .band{position:relative}

.list{margin:0 0 22px;padding-left:20px}
.list li{margin-bottom:10px}
.list li::marker{color:var(--accent)}

.check{list-style:none;margin:0;padding:0}
.check li{padding-left:26px;position:relative;margin-bottom:12px}
.check li::before{
  content:"";position:absolute;left:0;top:12px;width:14px;height:2px;
  background:var(--accent);
}

.note{font-size:15px;color:var(--muted)}

/* secção escura com imagem de pormenor */
.band-dark h2,.band-dark h3{color:var(--bg)}
.band-dark a{color:#cdd7e6}
.band-dark .sec-num{color:#c79355}
.band-dark figcaption{color:#b9b2a5}
.band-dark .check li::before{background:#8fa7c6}
.dark-grid{align-items:start}
.detail-fig{grid-column:2 / span 4;margin:0}
.detail-fig .fig-frame{
  padding:12px;
  background-image:
    repeating-linear-gradient(to right,#8fa7c6 0 14px,transparent 14px 24px),
    repeating-linear-gradient(to right,#8fa7c6 0 14px,transparent 14px 24px),
    repeating-linear-gradient(to bottom,#8fa7c6 0 14px,transparent 14px 24px),
    repeating-linear-gradient(to bottom,#8fa7c6 0 14px,transparent 14px 24px);
  background-size:100% 2px,100% 2px,2px 100%,2px 100%;
  background-position:0 0,0 100%,0 0,100% 0;
  background-repeat:no-repeat;
}
.dark-text{grid-column:7 / span 6;padding-left:26px}
.dark-text .seam{background-image:repeating-linear-gradient(to right,#c79355 0 10px,transparent 10px 20px)}

/* --- blocos da página Sobre --- */
.about-block{margin-bottom:64px}
.about-block:last-child{margin-bottom:0}
.about-a{grid-column:1 / span 8;padding:0 26px 26px 0}
.about-b{grid-column:6 / span 6;padding:0 0 26px 26px;text-align:left}
.about-c{grid-column:3 / span 7;padding:0 26px 26px}

/* --- páginas legais --- */
.doc{grid-column:1 / span 8;padding-right:26px}
.doc h2{margin-top:44px}
.doc h2:first-of-type{margin-top:28px}
.doc h3{margin-top:28px}
.doc-side{grid-column:10 / span 3;padding-left:22px;font-size:14px;color:var(--muted)}
.doc-side p{margin-bottom:14px}

/* --- contacto --- */
.contact-box{grid-column:1 / span 7;padding:26px}
.contact-box p:last-child{margin-bottom:0}
.mail{font-family:var(--serif);font-size:1.25rem}

/* --- rodapé --- */
.site-foot{background:var(--bg-alt);padding:0 0 48px}
.foot-frame{margin-top:48px;padding:28px 20px}
.foot-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.foot-left{grid-column:1 / span 6}
.foot-right{grid-column:8 / span 5}
.foot-name{font-family:var(--serif);font-size:1.3rem;margin-bottom:8px}
.foot-note{font-size:14px;color:var(--muted);max-width:44ch}
.foot-right ul{list-style:none;margin:0 0 16px;padding:0;font-size:15px}
.foot-right li{margin-bottom:8px}
.foot-right a{color:var(--text)}
.foot-mail{font-size:15px;margin:0}

/* --- responsivo --- */
@media (max-width:980px){
  :root{--step:56px}
  .hero-title,.hero-lead,.hero-notes,.hero-fig,
  .col-7,.col-7-right,.col-5,.col-5-right,.col-6-right,.col-8,
  .detail-fig,.dark-text,.about-a,.about-b,.about-c,
  .doc,.doc-side,.contact-box,
  .foot-left,.foot-right{
    grid-column:1 / -1;
    padding-left:0;padding-right:0;
  }
  .hero-lead{
    padding-top:22px;margin-top:22px;
    background-image:repeating-linear-gradient(to right,var(--accent) 0 14px,transparent 14px 24px);
    background-size:100% 2px;background-position:0 0;background-repeat:no-repeat;
  }
  .hero-body{margin-top:32px}
  .hero-notes{margin-bottom:32px}
  .about-block{margin-bottom:44px}
  .doc-side{margin-top:32px;padding-top:22px}
  .foot-right{margin-top:8px}
}

@media (max-width:640px){
  :root{--step:48px}
  body{font-size:16px;line-height:1.75}
  .wrap{padding:0 18px}
  .hero-frame{padding:24px 16px}
  .nav{gap:6px 18px;font-size:14px}
  .contact-box{padding:20px}
  .foot-frame{padding:22px 16px}
}