:root{
  --ink:#1A2530;
  --charcoal:#16283D;
  --paper:#FFFFFF;
  --offwhite:#EAF0F5;
  --line: rgba(26,37,48,0.15);
  --line-dark: rgba(255,255,255,0.16);
  --steel:#54677C;
  --accent:#2C5586;
  --accent-dark:#1F3F66;
  --radius: 0px;
  --maxw: 1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Libre Franklin', sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Libre Franklin', sans-serif;
  font-weight:800;
  line-height:1.08;
  letter-spacing:-0.02em;
  margin:0 0 .5em;
}
p{margin:0 0 1em;}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.eyebrow::before{content:""; width:28px; height:2px; background:var(--accent); flex:0 0 auto;}
.eyebrow::after{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:15px 28px;
  font-family:'Libre Franklin', sans-serif;
  font-weight:600;
  font-size:14.5px;
  letter-spacing:.01em;
  text-decoration:none;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary{background:var(--ink); color:#fff;}
.btn-primary:hover{background:var(--accent);}
.btn-ghost{border-color:var(--ink); color:var(--ink);}
.btn-ghost:hover{background:var(--ink); color:#fff;}
.btn-ghost-light{border-color:rgba(255,255,255,.4); color:#fff;}
.btn-ghost-light:hover{background:#fff; color:var(--ink);}

/* ===== Header ===== */
header{
  position:sticky; top:0; z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px;
  max-width:var(--maxw); margin:0 auto;
  min-height:96px;
}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink);}
.logo-img{height:64px; width:auto; display:block;}
@media(min-width:900px){ .logo-img{height:72px;} }

nav.main-nav{display:none; gap:36px; font-size:13px; font-weight:600; text-transform:uppercase; letter-spacing:.06em;}
nav.main-nav a{text-decoration:none; position:relative; padding:6px 0; color:var(--ink);}
nav.main-nav a::after{content:"";position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--accent); transition:width .2s ease;}
nav.main-nav a:hover::after{width:100%;}

.header-actions{display:flex; align-items:center; gap:18px;}
.phone-pill{
  display:none;
  align-items:center; gap:8px;
  font-family:'IBM Plex Mono'; font-size:13px;
  color:var(--ink); text-decoration:none;
  padding:10px 18px;
  border:1px solid var(--ink);
}
.burger{
  background:none; border:1px solid var(--line); border-radius:var(--radius);
  width:44px; height:44px; display:flex; align-items:center; justify-content:center;
  cursor:pointer;
}
.burger span, .burger span::before, .burger span::after{
  content:""; display:block; width:18px; height:2px; background:var(--ink); position:relative; transition:.2s;
}
.burger span::before{position:absolute; top:-6px;}
.burger span::after{position:absolute; top:6px;}

.mobile-nav{
  display:none; flex-direction:column;
  border-top:1px solid var(--line);
  background:var(--paper);
}
.mobile-nav.open{display:flex;}
.mobile-nav a{
  padding:18px 24px; text-decoration:none; color:var(--ink);
  border-bottom:1px solid var(--line); font-size:14px; font-weight:600;
  text-transform:uppercase; letter-spacing:.04em;
}
.mobile-nav .phone-pill{display:flex; padding:18px 24px; border:none;}

@media(min-width:900px){
  nav.main-nav{display:flex;}
  .phone-pill{display:flex;}
  .burger{display:none;}
}

/* ===== Hero (dark full-bleed band) ===== */
.hero{
  padding:88px 0 76px;
  background:
    linear-gradient(100deg, rgba(22,40,61,0.94) 0%, rgba(22,40,61,0.80) 55%, rgba(22,40,61,0.65) 100%),
    url('photos/hero-arquitetura.jpg') center 38%/cover no-repeat;
  color:#fff;
}
.hero .eyebrow{color:rgba(255,255,255,.55);}
.hero h1{font-size:clamp(34px, 5.4vw, 60px); max-width:15ch; color:#fff;}
.hero .lede{font-size:17.5px; color:rgba(255,255,255,.68); max-width:54ch; margin-bottom:32px;}
.hero-ctas{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:44px;}
.hero .btn-primary{background:#fff; color:var(--ink);}
.hero .btn-primary:hover{background:var(--accent); color:#fff;}

.trust-strip{
  display:flex; flex-direction:column; gap:14px;
  font-family:'IBM Plex Mono'; font-size:12px; color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.16); padding-top:26px;
}
.trust-strip div{display:flex; gap:10px; align-items:baseline;}
.trust-strip strong{color:#fff; font-weight:500;}
@media(min-width:700px){
  .trust-strip{flex-direction:row; flex-wrap:wrap; gap:44px;}
}

/* ===== Section shell ===== */
section{padding:80px 0;}
.section-head{margin-bottom:48px; max-width:60ch;}
.section-head h2{font-size:clamp(26px,3.6vw,38px);}
.section-head p{color:var(--steel); font-size:15.5px;}

/* ===== Practice areas — rigid index rows ===== */
section#areas{background:var(--offwhite);}
.dossier-grid{
  display:flex; flex-direction:column;
  border-top:1px solid var(--line);
}
.tab-card{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:24px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  padding:26px 4px 26px 18px;
  text-decoration:none; color:var(--ink);
  transition:background .18s ease, border-color .18s ease;
}
.tab-card h3{font-size:21px; margin:0; grid-column:1;}
.tab-card p{display:none;}
.tab-card:hover{background:var(--offwhite); border-left-color:var(--accent);}
.tab-card .go{
  font-family:'IBM Plex Mono'; font-size:12px; color:var(--accent);
  display:inline-flex; align-items:center; gap:6px;
  grid-column:2;
}
@media(max-width:700px){
  .tab-card{grid-template-columns:1fr; row-gap:8px;}
  .tab-card .go{grid-column:1;}
}

/* ===== About teaser ===== */
.about-grid{display:grid; grid-template-columns:1fr; gap:32px; align-items:stretch;}
@media(min-width:850px){ .about-grid{grid-template-columns:0.75fr 1fr; gap:0;} }
.about-mark{
  aspect-ratio:4/5;
  background:
    linear-gradient(180deg, rgba(22,40,61,0.25) 0%, rgba(22,40,61,0.88) 100%),
    url('photos/campu-justica2.jpeg') center 30%/cover no-repeat;
  display:flex; align-items:flex-end; justify-content:center;
  position:relative; overflow:hidden;
}
.about-mark img{display:none;}

.about-copy{padding:0;}
@media(min-width:850px){ .about-copy{padding-left:56px;} }
.about-copy .cred-list{list-style:none; margin:24px 0 28px; padding:0; display:flex; flex-direction:column; gap:0;}
.about-copy .cred-list li{
  display:flex; gap:12px; font-size:14.5px; color:var(--ink);
  padding:14px 0; border-bottom:1px solid var(--line);
}
.about-copy .cred-list li::before{content:"—"; color:var(--accent); flex:0 0 auto;}

/* ===== Process ===== */
.process-band{background:var(--charcoal); color:#fff;}
.process-band .section-head p{color:rgba(255,255,255,.6);}
.process-band .eyebrow{color:rgba(255,255,255,.5);}
.steps{display:grid; grid-template-columns:1fr; gap:0; border-top:1px solid rgba(255,255,255,.16);}
@media(min-width:800px){ .steps{grid-template-columns:repeat(3,1fr); border-top:none;} }
.step{
  padding:28px 4px; border-top:1px solid rgba(255,255,255,.16);
}
.step:first-child{border-top:1px solid rgba(255,255,255,.16);}
@media(min-width:800px){
  .step{border-top:none; border-left:1px solid rgba(255,255,255,.16); padding:4px 32px;}
  .step:first-child{border-left:none; padding-left:0;}
}
.step .num{font-family:'IBM Plex Mono'; font-size:13px; color:rgba(255,255,255,.45); margin-bottom:14px; display:block;}
.step h3{font-size:19px; color:#fff; margin-bottom:10px; font-weight:700;}
.step p{font-size:14.5px; color:rgba(255,255,255,.62); margin:0;}

/* ===== Atualidades preview ===== */
.articles-grid{display:flex; flex-direction:column; border-top:1px solid var(--line);}
@media(min-width:800px){ .articles-grid{flex-direction:row; border-top:1px solid var(--line);} }
.article-card{
  background:var(--paper); padding:32px 28px; text-decoration:none; color:var(--ink);
  border-bottom:1px solid var(--line); border-top:3px solid var(--accent); flex:1;
  transition:background .18s ease;
}
.article-card:hover{background:var(--offwhite);}
@media(min-width:800px){ .article-card{border-bottom:none; border-right:1px solid var(--line);} .article-card:last-child{border-right:none;} }
.article-card .tag{font-family:'IBM Plex Mono'; font-size:11px; color:var(--accent); letter-spacing:.08em; text-transform:uppercase;}
.article-card h3{font-size:18px; margin:14px 0 12px; font-weight:700;}
.article-card p{font-size:14px; color:var(--steel); margin-bottom:0;}

/* ===== Contact band ===== */
.contact-band{border-top:1px solid var(--line);}
.contact-grid{display:grid; grid-template-columns:1fr; gap:32px;}
@media(min-width:850px){ .contact-grid{grid-template-columns:1fr 1fr; gap:64px; align-items:center;} }
.contact-list{list-style:none; margin:0 0 28px; padding:0; display:flex; flex-direction:column; gap:0;}
.contact-list li{display:flex; gap:14px; align-items:flex-start; font-size:15px; padding:16px 0; border-bottom:1px solid var(--line);}
.contact-list .label{font-family:'IBM Plex Mono'; font-size:11px; color:var(--steel); letter-spacing:.08em; text-transform:uppercase; min-width:80px; padding-top:3px;}
.map-embed{border:1px solid var(--line); height:300px; overflow:hidden;}
.map-embed iframe{width:100%; height:100%; border:0; filter:grayscale(70%) contrast(1.05);}

/* ===== Footer ===== */
footer{background:var(--ink); color:rgba(255,255,255,.68); padding:56px 0 30px;}
.footer-grid{display:grid; grid-template-columns:1fr; gap:36px;}
@media(min-width:800px){ .footer-grid{grid-template-columns:1.3fr 1fr 1fr;} }
footer h4{font-family:'IBM Plex Mono'; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:rgba(255,255,255,.4); margin-bottom:16px;}
footer .flogo{display:flex; align-items:center; gap:10px; margin-bottom:16px;}
footer .flogo .logo-img{height:38px; width:auto;}
footer p{font-size:13.5px; color:rgba(255,255,255,.5); max-width:34ch;}
footer ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px;}
footer a{text-decoration:none; font-size:14px; color:rgba(255,255,255,.75);}
footer a:hover{color:#fff;}
.foot-bottom{
  margin-top:44px; padding-top:22px; border-top:1px solid rgba(255,255,255,.14);
  display:flex; flex-direction:column; gap:10px;
  font-family:'IBM Plex Mono'; font-size:11px; color:rgba(255,255,255,.4);
}
@media(min-width:700px){ .foot-bottom{flex-direction:row; justify-content:space-between;} }

.reveal{opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1; transform:none; transition:none;}
}

/* ===== Sub-page hero (dark, smaller) ===== */
.page-hero{
  padding:64px 0 56px;
  background:
    linear-gradient(100deg, rgba(22,40,61,0.94) 0%, rgba(22,40,61,0.82) 55%, rgba(22,40,61,0.68) 100%),
    url('photos/skyline-agua.jpg') center 40%/cover no-repeat;
  color:#fff;
}
.page-hero--sobre{
  background:
    linear-gradient(100deg, rgba(22,40,61,0.94) 0%, rgba(22,40,61,0.82) 55%, rgba(22,40,61,0.68) 100%),
    url('photos/torre-vasco-gama.jpg') center 30%/cover no-repeat;
}
.page-hero--areas{
  background:
    linear-gradient(100deg, rgba(22,40,61,0.94) 0%, rgba(22,40,61,0.82) 55%, rgba(22,40,61,0.68) 100%),
    url('photos/ponte-ceu.jpg') center 55%/cover no-repeat;
}
.page-hero--atualidades{
  background:
    linear-gradient(100deg, rgba(22,40,61,0.94) 0%, rgba(22,40,61,0.82) 55%, rgba(22,40,61,0.68) 100%),
    url('photos/skyline-agua.jpg') center 40%/cover no-repeat;
}
.page-hero--contacto{
  background:
    linear-gradient(100deg, rgba(22,40,61,0.94) 0%, rgba(22,40,61,0.82) 55%, rgba(22,40,61,0.68) 100%),
    url('photos/caminho-ponte.jpg') center 35%/cover no-repeat;
}
.page-hero h1{font-size:clamp(30px,4.6vw,46px); max-width:22ch; color:#fff;}
.page-hero .lede{font-size:16.5px; color:rgba(255,255,255,.65); max-width:62ch; margin-bottom:0;}
.page-hero .eyebrow{color:rgba(255,255,255,.5);}
.breadcrumb{font-family:'IBM Plex Mono'; font-size:11.5px; color:rgba(255,255,255,.45); margin-bottom:20px; letter-spacing:.04em;}
.breadcrumb a{color:rgba(255,255,255,.6); text-decoration:none;}
.breadcrumb a:hover{color:#fff;}

/* ===== Prose ===== */
.prose{max-width:72ch;}
.prose h2{font-size:23px; margin-top:1.6em; font-weight:700;}
.prose h3{font-size:18px; margin-top:1.4em; font-weight:700;}
.prose p{font-size:15.5px; color:var(--ink); margin-bottom:1.1em;}
.prose ul{padding-left:1.2em; margin-bottom:1.2em;}
.prose li{font-size:15.5px; margin-bottom:.5em;}
.prose .callout{
  background:var(--offwhite); border-left:3px solid var(--accent);
  padding:18px 22px; font-size:14.5px; color:var(--steel); margin:1.6em 0;
}

/* ===== Practice area detail blocks ===== */
.area-block{
  padding:44px 0; border-bottom:1px solid var(--line);
  max-width:72ch;
}
.area-block h2{font-size:25px; margin-bottom:14px; font-weight:800;}
.area-block ul{list-style:none; padding:0; margin:16px 0 0; display:flex; flex-direction:column; gap:0;}
.area-block ul li{font-size:14.5px; color:var(--ink); display:flex; gap:10px; padding:10px 0; border-bottom:1px solid var(--line);}
.area-block ul li::before{content:"—"; color:var(--accent); flex:0 0 auto;}

/* ===== Timeline (sobre page) ===== */
.timeline{display:flex; flex-direction:column; border-top:1px solid var(--line);}
.tl-item{
  display:grid; grid-template-columns:110px 1fr; gap:24px;
  padding:26px 0; border-bottom:1px solid var(--line);
}
.tl-item .tl-label{font-family:'IBM Plex Mono'; font-size:12px; color:var(--steel); padding-top:2px;}
.tl-item h3{font-size:17px; margin-bottom:8px; font-weight:700;}
.tl-item p{font-size:14.5px; color:var(--steel); margin:0;}

/* ===== FAQ / accordion ===== */
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  padding:22px 0; font-family:'Libre Franklin'; font-size:16.5px; font-weight:700; color:var(--ink);
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-q .plus{font-family:'IBM Plex Mono'; color:var(--accent); font-size:18px; flex:0 0 auto;}
.faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease;}
.faq-a p{font-size:14.5px; color:var(--steel); padding-bottom:22px; margin:0; max-width:65ch;}
.faq-item.open .faq-a{max-height:400px;}
.faq-item.open .plus{transform:rotate(45deg);}

/* ===== Contact form ===== */
.form-grid{display:grid; grid-template-columns:1fr; gap:20px;}
@media(min-width:700px){ .form-grid.two-col{grid-template-columns:1fr 1fr;} }
.field{display:flex; flex-direction:column; gap:8px;}
.field label{font-family:'IBM Plex Mono'; font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--steel);}
.field input, .field select, .field textarea{
  font-family:'Libre Franklin'; font-size:15px; padding:13px 14px;
  border:1px solid var(--line); background:var(--paper); color:var(--ink);
  border-radius:var(--radius); resize:vertical;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--ink); outline-offset:1px; border-color:var(--ink);
}
.form-note{font-size:12.5px; color:var(--steel); margin-top:12px;}
.form-success{
  display:none; background:var(--offwhite); border-left:3px solid var(--accent);
  padding:20px 22px; font-size:14.5px; margin-bottom:26px;
}
.form-success.show{display:block;}

/* ===== Info card grid (contacto page) ===== */
.info-cards{display:flex; flex-direction:column; border-top:1px solid var(--line); margin-top:36px;}
@media(min-width:700px){ .info-cards{flex-direction:row;} }
.info-card{background:var(--paper); padding:24px 22px; flex:1; border-bottom:1px solid var(--line);}
@media(min-width:700px){ .info-card{border-bottom:none; border-right:1px solid var(--line);} .info-card:last-child{border-right:none;} }
.info-card .label{font-family:'IBM Plex Mono'; font-size:11px; color:var(--accent); letter-spacing:.08em; text-transform:uppercase; display:block; margin-bottom:10px;}
.info-card div.val{font-size:15px;}