/* ============================================================
   Egiconta, Lda. — Sistema de Design
   Paleta:
     --ink        #0F1F38  azul-escuro profundo (texto, cabeçalhos)
     --ink-soft   #51607A  azul-acinzentado (texto secundário)
     --paper      #FFFFFF  branco (fundo principal)
     --ledger     #EEF2F8  azul muito claro (fundo alternado, motivo)
     --brass      #1F3A63  azul-escuro (acento, CTA, links)
     --rule       #1F3A63  azul-escuro (linha de margem do livro-razão)
   Tipografia:
     Display: 'Source Serif 4' — títulos
     Corpo:   'IBM Plex Sans' — texto corrido
     Dados:   'IBM Plex Mono' — números, datas, referências
   Assinatura: motivo de "livro-razão" — pautas horizontais finas +
   linha de margem vertical, ecoando o papel pautado da contabilidade
   tradicional. Os serviços apresentam-se como lançamentos em livro.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#0F1F38;
  --ink-soft:#51607A;
  --paper:#FFFFFF;
  --ledger:#EEF2F8;
  --brass:#1F3A63;
  --brass-dark:#16294A;
  --rule:#1F3A63;
  --line:rgba(15,31,56,0.14);
  --radius:2px;
  --maxw:1080px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Source Serif 4',Georgia,serif;
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--ink);
}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:var(--brass-dark);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
.mono{font-family:'IBM Plex Mono',monospace;}

:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

/* ---------- Cabeçalho ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
header.site .bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
  max-width:var(--maxw);margin:0 auto;
}
.brand{
  display:flex;align-items:center;gap:12px;
  font-family:'Source Serif 4',serif;
  font-weight:600;font-size:1.25rem;color:var(--ink);
}
.brand img{height:40px;width:auto;}
nav.main ul{
  list-style:none;display:flex;gap:28px;margin:0;padding:0;
}
nav.main a{
  color:var(--ink);font-size:.95rem;font-weight:500;
  position:relative;
}
nav.main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;
  background:var(--brass);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
nav.main a:hover{text-decoration:none;}
nav.main a:hover::after{transform:scaleX(1);}
.menu-toggle{
  display:none;background:none;border:1px solid var(--ink);
  border-radius:var(--radius);padding:8px 10px;cursor:pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  display:block;width:20px;height:2px;background:var(--ink);position:relative;
}
.menu-toggle span::before, .menu-toggle span::after{
  content:"";position:absolute;left:0;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- Motivo: pauta de livro-razão ---------- */
.ledger-bg{
  position:relative;
  background-image:repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 37px,
    var(--line) 38px
  );
}
.ledger-bg::before{
  content:"";
  position:absolute;top:0;bottom:0;left:64px;
  width:1px;background:var(--rule);opacity:.45;
  pointer-events:none;
}
@media(max-width:640px){
  .ledger-bg::before{left:24px;}
}

/* ---------- Hero / Slider ---------- */
.hero{
  position:relative;
  min-height:600px;
  height:88vh;
  max-height:720px;
  overflow:hidden;
  display:flex;
  align-items:center;
}
@media(max-width:760px){
  .hero{height:auto;min-height:0;padding:120px 0 72px;}
}
.slider{position:absolute;inset:0;z-index:0;}
.slide{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.1s ease;
}
.slide.active{opacity:1;}
.slider-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(15,31,56,.90) 0%, rgba(15,31,56,.74) 42%, rgba(15,31,56,.42) 75%, rgba(15,31,56,.30) 100%);
}
@media(max-width:760px){
  .slider-overlay{background:linear-gradient(180deg, rgba(15,31,56,.55) 0%, rgba(15,31,56,.88) 55%, rgba(15,31,56,.92) 100%);}
}

.hero-content{position:relative;z-index:2;padding:64px 28px;}
.hero .eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;
  color:#CBD8ED;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(2.1rem,4.5vw,3.4rem);
  max-width:20ch;
  color:#fff;
}
.hero .lede{
  font-size:1.15rem;max-width:46ch;margin:20px 0 32px;
  color:#DCE4F0;
}
.hero .cta-row{
  display:flex;gap:16px;flex-wrap:wrap;
}
.hero .btn-ghost{border-color:#fff;color:#fff;}
.hero .btn-ghost:hover{background:#fff;color:var(--ink);}

.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  z-index:3;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.5);
  color:#fff;width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:1rem;line-height:1;
  transition:background .2s ease;
}
.slider-arrow:hover{background:rgba(255,255,255,.3);}
.slider-arrow.prev{left:20px;}
.slider-arrow.next{right:20px;}
@media(max-width:640px){.slider-arrow{display:none;}}

.slider-dots{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  z-index:3;display:flex;gap:10px;
}
.slider-dots .dot{
  width:9px;height:9px;border-radius:50%;border:1px solid #fff;
  background:transparent;padding:0;cursor:pointer;
}
.slider-dots .dot.active{background:#fff;}

.photo-credit{
  position:absolute;bottom:22px;right:22px;z-index:3;
  font-size:.72rem;color:rgba(255,255,255,.75);
}
.photo-credit a{color:#fff;text-decoration:underline;}
@media(max-width:640px){
  .photo-credit{right:auto;left:20px;bottom:14px;}
}

/* ---------- Aviso de cookies ---------- */
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:200;
  background:var(--ink);color:#DCE4F0;
  display:none;
  transform:translateY(100%);
  transition:transform .3s ease;
  box-shadow:0 -4px 18px rgba(0,0,0,.18);
}
.cookie-banner.visible{display:block;transform:translateY(0);}
.cookie-banner-inner{
  max-width:var(--maxw);margin:0 auto;
  padding:18px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
}
.cookie-banner-inner p{
  margin:0;font-size:.88rem;color:#DCE4F0;max-width:70ch;flex:1 1 320px;
}
.cookie-banner-inner a{color:#fff;text-decoration:underline;}
.cookie-banner-inner .btn{flex:0 0 auto;padding:10px 22px;font-size:.88rem;}
@media(max-width:600px){
  .cookie-banner-inner{padding:16px 20px;}
}

.btn{
  display:inline-block;padding:13px 26px;border-radius:var(--radius);
  font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--ink);color:var(--paper);}
.btn-primary:hover{background:var(--brass-dark);text-decoration:none;}
.btn-ghost{border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);text-decoration:none;}

/* ---------- Secções genéricas ---------- */
section{padding:72px 0;}
.section-head{
  display:flex;align-items:baseline;gap:18px;margin-bottom:40px;
  border-bottom:1px solid var(--line);padding-bottom:18px;
}
.section-head .tag{
  font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--brass-dark);
  letter-spacing:.08em;
}
.section-head h2{font-size:1.9rem;margin:0;}
.alt{background:var(--ledger);}

/* ---------- Serviços: lançamentos de livro-razão ---------- */
.ledger-entries{border-top:1px solid var(--ink);}
.entry{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:22px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.entry .ref{
  font-family:'IBM Plex Mono',monospace;
  color:var(--brass-dark);font-size:.9rem;padding-top:4px;
}
.entry h3{font-size:1.2rem;margin-bottom:6px;}
.entry p{margin:0;max-width:60ch;}

/* ---------- Sobre ---------- */
.about-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start;
}
@media(max-width:800px){.about-grid{grid-template-columns:1fr;}}
.stat-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;margin-bottom:14px;
}
.stat-card .num{font-family:'IBM Plex Mono',monospace;font-size:1.6rem;color:var(--ink);display:block;}
.stat-card .label{font-size:.85rem;color:var(--ink-soft);}

/* ---------- Contacto ---------- */
.contact-grid{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;
}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.info-list{list-style:none;margin:0;padding:0;}
.info-list li{
  padding:14px 0;border-bottom:1px solid var(--line);
}
.info-list .k{
  display:block;font-family:'IBM Plex Mono',monospace;font-size:.78rem;
  color:var(--brass-dark);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px;
}

form.contact{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px;
}
.field{margin-bottom:20px;}
.field label{
  display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;
}
.field input, .field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--ink-soft);
  border-radius:var(--radius);font-family:inherit;font-size:1rem;
  background:#fff;color:var(--ink);
}
.field input:focus, .field textarea:focus{
  outline:2px solid var(--brass);outline-offset:1px;border-color:var(--brass);
}
.field textarea{resize:vertical;min-height:120px;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--ink-soft);margin-bottom:22px;}
.consent input{margin-top:4px;}
.form-note{font-size:.8rem;color:var(--ink-soft);margin-top:14px;}
.form-status{margin-top:14px;font-size:.9rem;display:none;}
.form-status.ok{color:#2f5d33;display:block;}
.form-status.err{color:var(--rule);display:block;}

/* ---------- Rodapé ---------- */
footer.site{
  border-top:1px solid var(--line);
  padding:36px 0;
  background:var(--ink);
  color:#C9D0DC;
}
footer.site .wrap{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;
  font-size:.85rem;
}
footer.site a{color:#A9BEDD;}
footer.site nav ul{list-style:none;display:flex;gap:20px;padding:0;margin:0;flex-wrap:wrap;}

/* ---------- Mobile nav ---------- */
@media(max-width:760px){
  .menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;}
  nav.main{
    position:fixed;inset:64px 0 auto 0;background:var(--paper);
    border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .25s ease;
  }
  nav.main.open{transform:translateY(0);}
  nav.main ul{flex-direction:column;padding:20px 28px;gap:18px;}
  .about-grid,.contact-grid{gap:36px;}
}

/* ---------- Página de política de privacidade ---------- */
.legal{
  max-width:760px;margin:0 auto;padding:56px 28px 96px;
}
.legal h1{font-size:2.1rem;margin-bottom:6px;}
.legal .updated{
  font-family:'IBM Plex Mono',monospace;font-size:.82rem;color:var(--ink-soft);
  margin-bottom:40px;display:block;
}
.legal h2{
  font-size:1.15rem;margin-top:44px;margin-bottom:12px;
  padding-bottom:8px;border-bottom:1px solid var(--line);
}
.legal h2 .n{font-family:'IBM Plex Mono',monospace;color:var(--brass-dark);margin-right:10px;}
.legal p, .legal li{color:var(--ink-soft);}
.legal ul{padding-left:1.2em;}
.legal strong{color:var(--ink);}
.back-link{
  display:inline-block;margin-bottom:8px;font-size:.9rem;
}