/* ============================================================
   GEO TOPO — Geodésia & Topografia
   Aesthetic: cadastral survey document — aged paper, carbon ink,
   survey-stake orange, benchmark & coordinate-grid motifs.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..900;1,9..144,300..600&family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --paper: #f2ecdc;
  --paper-deep: #e8dfc7;
  --card: #eee6cf;
  --ink: #211c14;
  --ink-soft: #55503f;
  --ink-faint: #8a8368;
  --orange: #d9501c;
  --orange-deep: #a83912;
  --brass: #8c7a48;
  --line: rgba(33, 28, 20, 0.22);
  --line-soft: rgba(33, 28, 20, 0.12);

  --font-display: 'Fraunces', serif;
  --font-body: 'Spectral', serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-w: 1240px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

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

/* paper grain overlay */
.grain-overlay{
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.35'/></svg>");
}

h1, h2, h3, h4{
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; }
a{ color: inherit; text-decoration: none; }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.9em;
}

/* ============ layout helpers ============ */
.wrap{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* corner registration ticks used to frame sections like a drafted sheet */
.ticks{ position: relative; }
.ticks::before, .ticks::after{
  content: "";
  position: absolute;
  width: 22px; height: 22px;
  border-top: 1.5px solid var(--line);
  border-left: 1.5px solid var(--line);
  top: 18px; left: 18px;
}
.ticks::after{
  top: auto; left: auto;
  bottom: 18px; right: 18px;
  border-top: none; border-left: none;
  border-bottom: 1.5px solid var(--line);
  border-right: 1.5px solid var(--line);
}

/* ============ HEADER ============ */
.site-header{
  background: var(--paper);
}

.header-banner-wrap{
  padding: 14px 24px 0;
  display: flex;
  justify-content: center;
}
.header-banner{
  height: 112px;
  width: auto;
  max-width: 100%;
  display: block;
  filter: drop-shadow(0 6px 14px rgba(33,28,20,0.18));
}

/* only the nav bar stays pinned — the banner scrolls away, so a small
   viewport (mobile) never has most of its screen eaten by the header */
.main-nav{
  position: sticky;
  top: 0;
  z-index: 100;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 14px;
  background: var(--paper);
}
.nav-inner{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 46px;
  position: relative;
}

.nav-link{
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 16px 2px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  cursor: pointer;
  transition: color 0.2s ease;
}
.nav-trigger{
  background: none;
  border: none;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.nav-trigger:focus-visible,
.nav-link:focus-visible{
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}
.nav-link:hover{ color: var(--orange); }
.nav-num{
  font-size: 0.72rem;
  color: var(--brass);
}
.nav-link::after{
  content:"";
  position: absolute;
  left: 2px; right: 2px; bottom: 8px;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}
.nav-link:hover::after{ transform: scaleX(1); }

.nav-dropdown{ position: relative; }
.dropdown-panel{
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, -8px);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 16px 30px rgba(33,28,20,0.16);
  padding: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: min(460px, calc(100vw - 48px));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 50;
}
.nav-dropdown:hover .dropdown-panel,
.nav-dropdown.open .dropdown-panel{
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}
.dropdown-panel a{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 10px 12px;
  color: var(--ink-soft);
  display: flex;
  gap: 8px;
  border-radius: 2px;
  transition: background 0.15s ease, color 0.15s ease;
}
.dropdown-panel a span{ color: var(--brass); }
.dropdown-panel a:hover{ background: var(--paper-deep); color: var(--orange-deep); }

.nav-toggle{ display: none; }

/* ============ HERO / INÍCIO ============ */
.hero{
  position: relative;
  overflow: hidden;
  padding: 96px 0 90px;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: center -1px;
}
.hero::before{
  content:"";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 30%, rgba(242,236,220,0.0), var(--paper) 78%);
  pointer-events: none;
}

.compass-rose{
  position: absolute;
  top: 50%; right: -110px;
  transform: translateY(-50%);
  width: 480px; height: 480px;
  opacity: 0.09;
  animation: rotate-slow 160s linear infinite;
  z-index: 0;
}
@keyframes rotate-slow{ to{ transform: translateY(-50%) rotate(360deg); } }

.hero-grid{
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: start;
}

.hero-main h1{
  font-size: clamp(2.6rem, 5vw, 4.3rem);
  line-height: 1.03;
  margin-bottom: 26px;
}
.hero-main .lede{
  font-size: 1.16rem;
  color: var(--ink-soft);
  max-width: 640px;
}

.reveal{
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view{ opacity: 1; transform: translateY(0); }

.stamp-card{
  background: var(--card);
  border: 1px solid var(--line);
  padding: 34px 32px;
  position: relative;
}
.stamp-card::before{
  content:"";
  position: absolute;
  top: 10px; left: 10px; right: 10px; bottom: 10px;
  border: 1px dashed var(--line);
  pointer-events: none;
}
.stamp-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
}
.stamp-card h2{
  font-size: 1.7rem;
  margin: 8px 0 18px;
}
.stamp-divider{
  width: 46px; height: 2px;
  background: var(--orange);
  margin-bottom: 20px;
}
.stamp-award{
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.stamp-revisor{
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--ink-faint);
  border-top: 1px solid var(--line-soft);
  padding-top: 16px;
  margin-bottom: 0;
}

/* section divider — benchmark mark */
.divider{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 6px 0;
  color: var(--brass);
}
.divider::before, .divider::after{
  content:"";
  height: 1px;
  flex: 1;
  max-width: 480px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.divider svg{ width: 16px; height: 16px; flex-shrink: 0; }

/* ============ SECTION HEADING (shared) ============ */
.section-heading{
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
  padding: 0 40px;
}
.section-heading h2{
  font-size: clamp(2rem, 3.6vw, 2.9rem);
}
.section-heading .eyebrow{ justify-content: center; }

/* ============ ÁREAS DE ATUAÇÃO ============ */
.areas{
  position: relative;
  padding: 100px 0 110px;
  background: var(--paper-deep);
}

.areas-grid{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-flow: row dense;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.area-card{
  background: var(--paper-deep);
  padding: 34px 28px 30px;
  position: relative;
  transition: background 0.25s ease;
  scroll-margin-top: 140px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.area-card:hover{ background: var(--card); }

/* long-form entries break the grid and take the full row so short
   entries never get stretched to match their height */
.area-card--wide{ grid-column: 1 / -1; }
.area-card--wide p{ max-width: 980px; }
@media (min-width: 900px){
  .area-card--wide p{ column-count: 2; column-gap: 48px; }
}

.area-num{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass);
  margin-bottom: 22px;
  letter-spacing: 0.05em;
}
.area-card h3{
  font-size: 1.28rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.area-card h3::after{
  content:"";
  position: absolute;
  left: 0; bottom: -6px;
  height: 2px; width: 0;
  background: var(--orange);
  transition: width 0.3s ease;
}
.area-card:hover h3::after{ width: 100%; }

.area-card p{
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

.area-card .stake{
  position: absolute;
  top: 30px; right: 24px;
  width: 9px; height: 9px;
  border: 1.5px solid var(--brass);
  border-radius: 50%;
  opacity: 0.5;
  transition: border-color 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}
.area-card:hover .stake{
  border-color: var(--orange);
  opacity: 1;
  transform: scale(1.3);
}

/* ============ CONTATO ============ */
.contact{
  padding: 108px 0 110px;
  position: relative;
}

.contact-grid{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
}

.contact-info h2{
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  margin-bottom: 22px;
  line-height: 1.15;
}
.contact-info p{ color: var(--ink-soft); }

.contact-channels{
  margin-top: 34px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.channel{
  font-family: var(--font-mono);
  font-size: 0.98rem;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  width: fit-content;
  transition: color 0.2s ease, border-color 0.2s ease, padding-left 0.2s ease;
}
.channel::before{ content: "▲"; font-size: 0.6rem; color: var(--orange); }
.channel:hover{ color: var(--orange-deep); border-color: var(--orange); padding-left: 4px; }

.contact-form{
  background: var(--card);
  border: 1px solid var(--line);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
}
.contact-form::before{
  content:"";
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px dashed var(--line);
  pointer-events: none;
}

.field{
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field span{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
}
.field input, .field textarea{
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 8px 2px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s ease;
}
.field textarea{ min-height: 110px; }
.field input:focus, .field textarea:focus{
  border-bottom: 2px solid var(--orange);
}
.field input::placeholder, .field textarea::placeholder{ color: var(--ink-faint); }

.submit-btn{
  align-self: flex-start;
  margin-top: 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  padding: 15px 30px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background 0.22s ease, transform 0.15s ease;
}
.submit-btn:hover{ background: var(--orange); transform: translateY(-2px); }
.submit-btn svg{ width: 14px; height: 14px; transition: transform 0.22s ease; }
.submit-btn:hover svg{ transform: translateX(3px); }

.form-note{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  margin-top: -6px;
}

/* ============ FOOTER ============ */
.site-footer{
  background: var(--ink);
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo{
  height: 64px;
  width: auto;
  display: block;
}
.footer-contact{
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-channel{
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-channel:hover{ color: var(--orange); }

/* ============ responsive ============ */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .areas-grid{ grid-template-columns: repeat(2, 1fr); }
  .compass-rose{ display: none; }
}

@media (max-width: 720px){
  .wrap, .nav-inner, .hero-grid, .areas-grid, .contact-grid, .section-heading{ padding-left: 22px; padding-right: 22px; }
  .nav-inner{ gap: 24px; flex-wrap: wrap; justify-content: center; padding-top: 8px; padding-bottom: 8px;}
  .dropdown-panel{ grid-template-columns: 1fr; min-width: 260px; left: 0; transform: translateY(-8px); }
  .nav-dropdown:hover .dropdown-panel, .nav-dropdown.open .dropdown-panel{ transform: translateY(0); }
  .areas-grid{ grid-template-columns: 1fr; }
  .hero{ padding: 60px 0 60px; }
  .contact-form{ padding: 28px; }
  .header-banner{ height: 84px; }
}