/* ============ Tokens ============ */
:root{
  --ink:#14212C;
  --paper:#F5F0E8;
  --paper-alt:#E7E1D6;
  --line:#D9CDB3;
  --brass:#C76B2B;
  --brass-soft:#D98944;
  --text:#20262B;
  --text-soft:#535A60;
  --white:#FBFAF8;
  --shadow:rgba(20, 33, 44, 0.12);
  --radius:2px;
  --font-serif:'Libre Baskerville', Georgia, serif;
  --font-sans:'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}

a{color:inherit;}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}

h1,h2,h3{
  font-family:var(--font-serif);
  font-weight:700;
  color:var(--ink);
  margin:0 0 0.4em;
  letter-spacing:-0.03em;
  font-variant-ligatures:none;
  text-rendering:optimizeLegibility;
}

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

/* ============ Top ruler ============ */
.ruler-top{
  height:6px;
  width:100%;
  background-image:repeating-linear-gradient(
    90deg,
    var(--ink) 0, var(--ink) 1px,
    transparent 1px, transparent 40px
  );
  background-color:var(--brass);
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(238,236,231,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--ink);
}
.brand-logo{
  display:block;
  width:140px;
  height:auto;
  filter:drop-shadow(0 2px 0 rgba(20,33,44,0.04));
}
.brand-name{
  font-family:var(--font-serif);
  font-size:1.05rem;
}
.lang-switch{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:16px;
  padding:4px;
  background:rgba(20,33,44,0.04);
  border:1px solid var(--line);
}
.lang-btn{
  border:none;
  background:transparent;
  color:var(--text-soft);
  font:inherit;
  font-size:0.74rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:6px 8px;
  cursor:pointer;
}
.lang-btn.is-active{
  background:var(--ink);
  color:var(--paper);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
  font-size:0.94rem;
}
.main-nav a{
  text-decoration:none;
  color:var(--text);
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
.main-nav a:hover{
  border-color:var(--brass);
  color:var(--ink);
}
.nav-cta{
  border:1px solid var(--ink) !important;
  padding:8px 16px !important;
  color:var(--ink);
}
.nav-cta:hover{
  background:var(--ink);
  color:var(--paper) !important;
  border-color:var(--ink) !important;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:32px;
  height:32px;
  flex:0 0 32px;
  background:none;
  border:none;
  cursor:pointer;
  z-index:2;
}
.nav-toggle span{
  display:block;
  width:22px;
  height:2px;
  margin:0 auto;
  background:var(--ink);
}

/* ============ Buttons ============ */
.btn{
  display:inline-block;
  padding:13px 26px;
  font-size:0.95rem;
  text-decoration:none;
  border-radius:var(--radius);
  border:1px solid var(--ink);
  transition:background .15s ease, color .15s ease, transform .1s ease;
}
.btn-primary{
  background:var(--ink);
  color:var(--paper);
}
.btn-primary:hover{
  background:var(--brass);
  border-color:var(--brass);
}
.btn-ghost{
  background:transparent;
  color:var(--ink);
}
.btn-ghost:hover{
  border-color:var(--brass);
  color:var(--brass);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:120px 0 100px;
  overflow:hidden;
  background:linear-gradient(180deg, rgba(255,255,255,0.14), rgba(199,107,43,0.06));
}
.hero-grid{
  position:absolute;
  inset:0;
  z-index:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(20,33,44,0.08) 0, rgba(20,33,44,0.08) 1px, transparent 1px, transparent 120px),
    repeating-linear-gradient(0deg, rgba(20,33,44,0.08) 0, rgba(20,33,44,0.08) 1px, transparent 1px, transparent 120px);
  opacity:0.6;
  mask-image:linear-gradient(180deg, black, transparent 85%);
}
.hero-inner{
  position:relative;
  z-index:1;
}
.sheet-ref{
  font-family:var(--font-sans);
  font-size:0.85rem;
  color:var(--brass);
  letter-spacing:0.02em;
  margin:0 0 22px;
  padding-left:14px;
  border-left:2px solid var(--brass);
}
.hero h1{
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  line-height:1.03;
  margin-bottom:28px;
}
.hero-lede{
  max-width:540px;
  font-size:1.15rem;
  color:var(--text-soft);
  margin:0 0 40px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
/* ============ Sections ============ */
.section{
  padding:96px 0;
  border-top:1px solid var(--line);
}
.section-alt{
  background:linear-gradient(180deg, #efe8dc, #eadfc7);
}
.eyebrow-line{
  font-size:0.85rem;
  color:var(--brass);
  margin:0 0 14px;
  padding-left:14px;
  border-left:2px solid var(--brass);
}
.section h2{
  font-size:clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom:20px;
}
.section-lede{
  max-width:600px;
  color:var(--text-soft);
  font-size:1.05rem;
}
.section-head-flat{
  max-width:680px;
  margin-bottom:48px;
}

/* ============ Sobre ============ */
.section-grid{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:64px;
}
.section-head{
  display:flex;
  flex-direction:column;
  gap:24px;
}
.portrait{
  width:100%;
  border:1px solid var(--line);
  filter:grayscale(0.15);
}
.timeline{
  list-style:none;
  margin:0;
  padding:0;
  border-left:1px solid var(--line);
}
.timeline li{
  position:relative;
  padding:0 0 34px 32px;
}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";
  position:absolute;
  left:-5px;
  top:6px;
  width:9px;
  height:9px;
  background:var(--paper);
  border:1.5px solid var(--brass);
  border-radius:50%;
}
.timeline-year{
  display:block;
  font-family:var(--font-serif);
  color:var(--ink);
  font-size:1rem;
  margin-bottom:4px;
}
.timeline p{
  margin:0;
  color:var(--text-soft);
  max-width:60ch;
}

/* ============ Serviços ============ */
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:14px;
  background:transparent;
  border:none;
}
.services-grid li{
  background:rgba(255,255,255,0.18);
  border:1px solid var(--line);
  box-shadow:0 4px 12px rgba(20,33,44,0.04);
  padding:26px 24px;
  font-family:var(--font-serif);
  font-size:1.08rem;
  color:var(--ink);
}

/* ============ Certificações ============ */
.cert-row{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  margin-top:32px;
}
.cert-badge{
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 24px;
  border:1px solid var(--line);
  text-decoration:none;
  color:var(--text);
  max-width:360px;
  transition:border-color .15s ease;
}
.cert-badge:hover{
  border-color:var(--brass);
}
.cert-badge img{
  width:56px;
  height:56px;
  object-fit:contain;
}
.cert-badge span{
  font-size:0.92rem;
  color:var(--text-soft);
}

/* ============ Portfólio ============ */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:36px;
}
.filter-chip{
  font-family:var(--font-sans);
  font-size:0.88rem;
  padding:8px 16px;
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-soft);
  cursor:pointer;
  border-radius:var(--radius);
  transition:all .15s ease;
}
.filter-chip:hover{
  border-color:var(--brass);
  color:var(--ink);
}
.filter-chip.is-active{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
}
.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:12px;
  background:transparent;
  border:none;
}
.portfolio-item{
  background:var(--paper-alt);
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 8px 18px var(--shadow);
}
.portfolio-item img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  filter:grayscale(0.25);
  transition:filter .2s ease, transform .3s ease;
}
.portfolio-item:hover img{
  filter:grayscale(0);
  transform:scale(1.04);
}
.portfolio-caption{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:14px 16px;
  background:linear-gradient(180deg, transparent, rgba(20,33,44,0.85));
  color:var(--white);
  font-size:0.85rem;
}
.portfolio-item[hidden]{display:none;}

/* ============ Notícias ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:28px;
  margin-top:12px;
}
.news-card{
  border:1px solid var(--line);
}
.news-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  filter:grayscale(0.2);
}
.news-card-body{
  padding:20px;
}
.news-card h3{
  font-size:1.05rem;
  margin-bottom:10px;
}
.news-card a{
  text-decoration:none;
}
.news-card a:hover h3{
  color:var(--brass);
}
.news-meta{
  font-size:0.82rem;
  color:var(--text-soft);
  margin:0;
}

/* ============ Contacto ============ */
.section-contact{
  background:var(--ink);
  color:var(--paper);
  border-top:1px solid var(--line);
}
.section-contact .eyebrow-line{color:var(--brass-soft);}
.section-contact h2{color:var(--paper);}
.contact-grid{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(260px,0.75fr);
  gap:clamp(48px,8vw,112px);
  align-items:start;
}
.contact-form{
  display:grid;
  gap:14px;
  margin-top:8px;
}
.contact-form label{
  font-size:0.85rem;
  color:var(--brass-soft);
}
.contact-form input,
.contact-form textarea{
  width:100%;
  background:transparent;
  border:1px solid rgba(238,236,231,0.3);
  color:var(--paper);
  padding:12px 14px;
  font-family:var(--font-sans);
  font-size:0.98rem;
  border-radius:var(--radius);
}
.contact-form input:focus,
.contact-form textarea:focus{
  border-color:var(--brass-soft);
  outline:none;
}
.contact-form .btn-primary{
  background:var(--brass);
  border-color:var(--brass);
  color:var(--ink);
  width:fit-content;
  margin-top:8px;
}
.contact-form .btn-primary:hover{
  background:var(--brass-soft);
  border-color:var(--brass-soft);
}
.honeypot{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}
.form-note{
  font-size:0.85rem;
  color:var(--brass-soft);
  min-height:1.2em;
}
.contact-details{
  padding-top:8px;
  justify-self:end;
  width:min(100%, 320px);
}
.contact-details p{
  margin:0 0 26px;
  color:rgba(238,236,231,0.85);
}
.contact-details strong{
  display:block;
  color:var(--brass-soft);
  font-size:0.82rem;
  text-transform:none;
  margin-bottom:6px;
}
.contact-details a{
  text-decoration:none;
  color:var(--paper);
}
.contact-details a:hover{
  color:var(--brass-soft);
}
.social-row{
  display:flex;
  gap:20px;
  margin-top:8px;
}

/* ============ Footer ============ */
.site-footer{
  border-top:1px solid var(--line);
  padding:26px 0;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  font-size:0.82rem;
  color:var(--text-soft);
}

/* ============ Responsive ============ */
@media (max-width:1100px){
  .header-inner{
    position:relative;
  }
  .brand{
    min-width:0;
    max-width:calc(100% - 150px);
  }
  .brand-logo{width:64px;}
  .brand-name{
    font-size:0.9rem;
    line-height:1.2;
  }
  .brand{max-height:52px;}
  .main-nav{
    position:fixed;
    top:76px;
    left:0;
    right:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    padding:20px 32px 28px;
    gap:16px;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
  }
  .main-nav.is-open{
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
  }
  .nav-toggle{
    display:flex;
    position:absolute;
    right:20px;
    top:22px;
  }
  .lang-switch{
    position:absolute;
    right:58px;
    top:16px;
    margin-left:0;
  }
}

@media (max-width:900px){
  .section-grid{grid-template-columns:1fr;}
  .portrait{max-width:220px;}
  .contact-grid{grid-template-columns:1fr;}
  .contact-details{
    justify-self:stretch;
    width:100%;
    padding-top:24px;
  }
}

@media (max-width:760px){
  .header-inner{
    position:relative;
    height:76px;
    padding-top:0;
    padding-bottom:0;
  }
  .brand{
    min-width:0;
    max-width:calc(100% - 150px);
    align-self:center;
  }
  .brand-logo{width:52px;}
  .brand{max-height:44px;}
  .brand-name{
    font-size:0.82rem;
    line-height:1.2;
  }
  .lang-switch{
    position:absolute;
    right:58px;
    top:auto;
    top:18px;
    margin-left:0;
  }
  .nav-toggle{
    position:absolute;
    right:20px;
    top:22px;
    bottom:auto;
    z-index:2;
  }
  .main-nav{
    top:76px;
  }
  .nav-cta{border-width:1px !important;}
  .wrap{padding:0 20px;}
  .hero{padding:80px 0 64px;}
  .section{padding:64px 0;}
}