/* =========================================================
   MARETTI — Forros, Divisórias, Drywall & Steelframe
   Design tokens
   ========================================================= */
:root{
  --ink:        #16161a;
  --navy:       #33348a;
  --navy-deep:  #212163;
  --concrete:   #eeece6;
  --concrete-2: #e4e1d8;
  --steel:      #6f7480;
  --steel-2:    #9a9ea6;
  --line:       #d8d5cb;
  --amber:      #e8862c;
  --amber-deep: #c66c1a;
  --white:      #ffffff;

  --display: "Oswald", "Arial Narrow", sans-serif;
  --body:    "Public Sans", "Segoe UI", sans-serif;
  --mono:    "IBM Plex Mono", "Courier New", monospace;

  --container: 1180px;
}

@media (prefers-reduced-motion: no-preference){
  html{ scroll-behavior: smooth; }
}

*, *::before, *::after{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
body{
  font-family: var(--body);
  color: var(--ink);
  background: var(--concrete);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--display); font-weight:600; margin:0; letter-spacing:.01em; }
p{ margin:0; }

.wrap{
  width:100%;
  max-width: var(--container);
  margin:0 auto;
  padding: 0 24px;
}

.eyebrow{
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber-deep);
  display:flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width: 22px; height:2px;
  background: var(--amber);
  display:inline-block;
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

/* -------------------- Buttons -------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-family:var(--mono);
  font-size:.85rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding: .95em 1.6em;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor:pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--amber); color: var(--ink); }
.btn-primary:hover{ background: var(--amber-deep); }
.btn-ghost{ background:transparent; border-color: var(--white); color: var(--white); }
.btn-ghost:hover{ background: var(--white); color: var(--navy-deep); }
.btn-outline-navy{ background:transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover{ background: var(--navy); color:var(--white); }

/* -------------------- Header -------------------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 84px;
}
.brand{ display:flex; align-items:center; gap:.8em; }
.brand img{ height: 50px; width:auto; }
.brand-name{ display:none; }

.main-nav ul{ display:flex; gap: 2.1em; align-items:center; }
.main-nav a{
  font-family: var(--mono);
  font-size:.82rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color: var(--steel);
  padding: .3em 0;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.main-nav a:hover, .main-nav a.active{ color: var(--navy); border-color: var(--amber); }

.header-actions{ display:flex; align-items:center; gap:1.2em; }
.nav-toggle{ display:none; }

@media (max-width: 880px){
  .main-nav{
    position:fixed; inset: 84px 0 0 0;
    background: var(--white);
    padding: 2em 24px;
    transform: translateY(-110%);
    transition: transform .3s ease;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open{ transform: translateY(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap: 1.6em; }
  .header-actions .btn-primary{ display:none; }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;
  }
  .nav-toggle span{ width:24px; height:2px; background:var(--navy); display:block; }
}

/* -------------------- Hero -------------------- */
.hero{
  position:relative;
  background: var(--white);
  color: var(--ink);
  overflow:hidden;
  padding: 96px 0 0;
}
.blueprint-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(51,52,138,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51,52,138,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}
.hero .wrap{ position:relative; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items:end;
  padding-bottom: 56px;
}
.hero h1{
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  line-height:1.08;
  margin: .5em 0 .45em;
  color: var(--navy-deep);
}
.hero h1 em{
  font-style: normal;
  color: var(--amber-deep);
}
.hero-sub{
  font-size: 1.06rem;
  color: var(--steel);
  max-width: 46ch;
  margin-bottom: 2em;
}
.hero-cta{ display:flex; gap: 1em; flex-wrap:wrap; }
.hero .btn-ghost{ border-color: var(--navy); color: var(--navy); }
.hero .btn-ghost:hover{ background: var(--navy); color: var(--white); }

.hero-diagram{ position:relative; }
.hero-photo{
  width:100%; height:auto; display:block;
  border-radius: 2px;
  box-shadow: 0 18px 40px -14px rgba(33,33,99,.35);
  border: 1px solid var(--line);
  opacity: 0;
  transform: translateY(14px) scale(.985);
  animation: heroFadeIn 1.1s ease .15s forwards;
}
@keyframes heroFadeIn{
  to{ opacity:1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce){
  .hero-photo{ animation: none; opacity:1; transform:none; }
}
.dim-label{
  font-family: var(--mono); font-size:.72rem; letter-spacing:.08em;
  fill: var(--steel); text-transform:uppercase;
}
.dim-line{ stroke: var(--steel-2); stroke-width:1; }

.stat-strip{
  border-top: 1px solid rgba(255,255,255,.12);
  background: var(--navy);
}
.stat-strip .wrap{
  display:grid; grid-template-columns: repeat(4, 1fr);
}
.stat{
  padding: 22px 24px;
  border-left: 1px solid rgba(255,255,255,.12);
}
.stat:first-child{ border-left:none; }
.stat .num{ font-family: var(--display); font-size: 2rem; color: var(--white); }
.stat .lbl{ font-family: var(--mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color: var(--steel-2); margin-top:.3em; }

@media (max-width: 880px){
  .hero-grid{ grid-template-columns: 1fr; padding-bottom: 40px; }
  .stat-strip .wrap{ grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(3){ border-left:none; }
}

/* -------------------- Sections -------------------- */
.section{ padding: 96px 0; }
.section-head{ max-width: 640px; margin-bottom: 3em; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin-top:.4em; color: var(--ink); }
.section-head p{ color: var(--steel); margin-top: 1em; font-size:1.02rem; }
.section-dark{ background: var(--navy); color: var(--white); }
.section-dark .section-head h2{ color: var(--white); }
.section-dark .section-head p{ color: rgba(255,255,255,.75); }
.section-dark .split-copy p{ color: rgba(255,255,255,.8); }
.section-dark .timeline{ border-left-color: rgba(255,255,255,.25); }
.section-dark .timeline-item::before{ box-shadow: 0 0 0 4px var(--navy); }
.section-dark .timeline-item .yr{ color: var(--amber); }
.section-dark .timeline-item h4{ color: var(--white); }
.section-dark .timeline-item p{ color: rgba(255,255,255,.75); }
.section-navy{ background: var(--navy); color:var(--white); }

/* -------------------- Service cards -------------------- */
.service-grid{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card{
  background: var(--concrete);
  padding: 2em 1.7em;
  position:relative;
}
.service-card .tag{
  font-family: var(--mono); font-size:.7rem; letter-spacing:.1em; color: var(--steel);
}
.service-card h3{ font-size: 1.25rem; margin: .5em 0 .6em; color: var(--navy-deep); }
.service-card p{ color: var(--steel); font-size:.94rem; }
.service-card .spec{
  margin-top: 1.4em; padding-top: 1.1em; border-top: 1px dashed var(--line);
  font-family: var(--mono); font-size: .74rem; color: var(--steel);
}
@media (max-width: 980px){
  .service-grid{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px){
  .service-grid{ grid-template-columns: 1fr; }
}

/* -------------------- About teaser / split -------------------- */
.split{
  display:grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items:center;
}
.split.reverse{ grid-template-columns: 1.05fr .95fr; }
.split.reverse .split-media{ order:2; }
@media (max-width: 880px){
  .split, .split.reverse{ grid-template-columns: 1fr; }
  .split.reverse .split-media{ order:0; }
}
.split-media img, .ph{ border-radius: 2px; }
.split-copy p + p{ margin-top: 1em; }
.split-copy p{ color: var(--steel); }

/* -------------------- Placeholder photo blocks -------------------- */
.ph{
  aspect-ratio: 4/3;
  background:
    repeating-linear-gradient(45deg, var(--concrete-2), var(--concrete-2) 10px, var(--concrete) 10px, var(--concrete) 20px);
  border: 2px dashed var(--steel-2);
  display:flex; align-items:center; justify-content:center;
  text-align:center; padding: 1.5em;
}
.ph-inner{ font-family: var(--mono); font-size:.78rem; color: var(--steel); letter-spacing:.03em; }
.ph-inner strong{ display:block; font-size:.9rem; color: var(--navy-deep); margin-bottom:.4em; }
.ph.square{ aspect-ratio: 1/1; }
.ph.wide{ aspect-ratio: 16/9; }
.portfolio-photo{
  width:100%; aspect-ratio: 4/3; object-fit:cover; display:block;
  border-radius: 2px; border: 1px solid var(--line);
}

/* -------------------- Portfolio grid -------------------- */
.portfolio-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.portfolio-item{ position:relative; }
.portfolio-item .cap{
  margin-top:.8em;
}
.portfolio-item .cap .tag{ font-family:var(--mono); font-size:.7rem; color:var(--amber-deep); letter-spacing:.08em; text-transform:uppercase; }
.portfolio-item .cap h4{ font-size:1.05rem; margin-top:.3em; color: var(--navy-deep); }
@media (max-width: 880px){ .portfolio-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .portfolio-grid{ grid-template-columns: 1fr; } }

.filter-bar{ display:flex; gap:.6em; flex-wrap:wrap; margin-bottom: 2.4em; }
.filter-btn{
  font-family: var(--mono); font-size:.76rem; letter-spacing:.06em; text-transform:uppercase;
  padding:.55em 1.1em; border:1px solid var(--line); background:var(--white); cursor:pointer; color: var(--steel);
  transition: all .15s ease;
}
.filter-btn:hover{ border-color: var(--navy); color: var(--navy); }
.filter-btn.active{ background: var(--navy); border-color: var(--navy); color: var(--white); }

/* -------------------- CTA band -------------------- */
.cta-band{
  background: var(--navy);
  color: var(--white);
  padding: 64px 0;
  text-align:center;
}
.cta-band h2{ color:var(--white); font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-band p{ color: rgba(255,255,255,.78); margin: .9em auto 1.8em; max-width: 52ch; }

/* -------------------- Timeline (Sobre) -------------------- */
.timeline{ position:relative; padding-left: 28px; border-left: 2px solid var(--line); }
.timeline-item{ position:relative; padding-bottom: 2.4em; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:""; position:absolute; left:-34px; top:4px;
  width:10px; height:10px; background: var(--amber); border-radius:50%;
  box-shadow: 0 0 0 4px var(--concrete);
}
.timeline-item .yr{ font-family: var(--mono); font-size:.8rem; color: var(--amber-deep); letter-spacing:.06em; }
.timeline-item h4{ margin:.3em 0 .3em; color: var(--navy-deep); font-size:1.1rem; }
.timeline-item p{ color: var(--steel); font-size:.95rem; }

/* -------------------- Values grid -------------------- */
.values-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.6em; }
.value-card{ background: var(--white); border: 1px solid var(--line); padding: 1.8em; }
.value-card .num{ font-family:var(--display); font-size:1.4rem; color: var(--amber-deep); }
.value-card h3{ font-size: 1.05rem; margin: .5em 0 .5em; color: var(--navy-deep); }
.value-card p{ font-size:.92rem; color: var(--steel); }
@media (max-width: 880px){ .values-grid{ grid-template-columns: 1fr; } }

/* -------------------- Region map block -------------------- */
.region-block{
  display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:center;
}
@media (max-width: 880px){ .region-block{ grid-template-columns:1fr; } }
.region-list li{
  display:flex; justify-content:space-between; padding: .85em 0; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size:.85rem;
}
.region-list li span:last-child{ color: var(--steel); }

/* -------------------- Forms -------------------- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.3em; }
.form-grid .full{ grid-column: 1 / -1; }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }
label{ display:block; font-family: var(--mono); font-size:.74rem; letter-spacing:.05em; text-transform:uppercase; color: var(--steel); margin-bottom:.5em; }
input, textarea, select{
  width:100%; padding: .85em 1em; border: 1px solid var(--line); background: var(--white);
  font-family: var(--body); font-size: .96rem; color: var(--ink); border-radius: 2px;
}
input:focus, textarea:focus, select:focus{ border-color: var(--navy); }
textarea{ resize: vertical; min-height: 130px; }
.field{ margin-bottom: 0; }
.form-note{ font-size:.85rem; color: var(--steel); margin-top: 1.6em; }

/* -------------------- Contact info cards -------------------- */
.contact-cards{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.4em; margin-bottom: 3em; }
@media (max-width: 880px){ .contact-cards{ grid-template-columns: 1fr; } }
.contact-card{ background: var(--white); border: 1px solid var(--line); padding: 1.6em; }
.contact-card .tag{ font-family: var(--mono); font-size:.7rem; color: var(--amber-deep); letter-spacing:.1em; text-transform:uppercase; }
.contact-card .val{ font-size: 1.1rem; margin-top:.5em; color: var(--navy-deep); font-weight:600; }
.contact-card a.val:hover{ color: var(--amber-deep); }

/* -------------------- Photo badge overlay -------------------- */
.split-media{ position:relative; }
.real-photo{
  width:100%; aspect-ratio: 4/3; object-fit:cover; display:block;
  border-radius: 2px; border: 1px solid var(--line);
  box-shadow: 0 18px 40px -16px rgba(33,33,99,.35);
}
.real-photo.wide{ aspect-ratio: 3/2; }
.photo-badge{
  position:absolute; left:24px; bottom:24px; right:24px;
  max-width: 280px;
  background: var(--navy);
  color: var(--white);
  padding: 1.2em 1.4em;
  border-radius: 3px;
  box-shadow: 0 14px 32px -10px rgba(33,33,99,.45);
  display:flex; gap:.9em; align-items:flex-start;
}
.photo-badge svg{ flex:none; width:22px; height:22px; margin-top:.1em; }
.photo-badge p{ font-size:.88rem; line-height:1.45; color:rgba(255,255,255,.92); }

/* -------------------- Icon stats row -------------------- */
.icon-stats{
  display:grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.8em 1.2em;
  margin-top: 2.2em;
}
.icon-stat svg{ width:26px; height:26px; stroke: var(--amber-deep); margin-bottom:.7em; display:block; }
.icon-stat p{ font-size:.85rem; line-height:1.4; color:var(--steel); font-weight:500; }
@media (max-width: 980px){
  .icon-stats{ grid-template-columns: repeat(2, 1fr); }
}
.site-footer{ background: var(--navy-deep); color: var(--steel-2); padding: 56px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 2.6em; }
@media (max-width: 780px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-grid h4{ color: var(--white); font-family: var(--mono); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom: 1em; }
.footer-grid li{ margin-bottom:.7em; font-size:.92rem; }
.footer-grid a:hover{ color: var(--white); }
.footer-brand img{ height:36px; filter: brightness(0) invert(1); margin-bottom: 1em; }
.footer-brand p{ font-size:.88rem; max-width: 34ch; }
.social-icons{ display:flex; gap:.7em; margin-top: 1.3em; }
.social-icons a{
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  display:flex; align-items:center; justify-content:center;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.social-icons a:hover{ background: var(--amber); border-color: var(--amber); transform: translateY(-2px); }
.social-icons svg{ width:17px; height:17px; fill: var(--white); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.6em;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap: 1em;
  font-family: var(--mono); font-size:.72rem; letter-spacing:.03em; color: var(--steel);
}

/* -------------------- WhatsApp float button -------------------- */
.wa-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 58px; height:58px; border-radius: 50%;
  background: #25D366; display:flex; align-items:center; justify-content:center;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  transition: transform .2s ease;
}
.wa-float:hover{ transform: scale(1.08); }
.wa-float svg{ width:28px; height:28px; }

/* -------------------- Scroll reveal -------------------- */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* -------------------- Page header (inner pages) -------------------- */
.page-header{
  background: var(--concrete); color:var(--ink); padding: 64px 0 48px; position:relative; overflow:hidden;
  border-bottom: 1px solid var(--line);
}
.page-header h1{ color:var(--navy-deep); font-size: clamp(2rem, 4vw, 2.8rem); margin-top:.4em; }
.page-header p{ color: var(--steel); margin-top: .8em; max-width: 56ch; }

/* -------------------- Breadcrumb / small util -------------------- */
.small-caps{ font-family: var(--mono); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase; color: var(--steel); }