/* ==========================================================================
   TERRENOS ORIENTE — Design System
   Tokens: ink, paper, olive (terrain), bronze (survey/brass), stone (line)
   Display: Fraunces · Body: Inter · Data/labels: IBM Plex Mono
   Signature: topographic contour-line motif + coordinate-style labels
   ========================================================================== */

:root{
  --ink: #16170F;
  --ink-soft: #363826;
  --paper: #F5F2EA;
  --paper-deep: #ECE7D9;
  --olive: #3E4A32;
  --olive-dark: #262E1E;
  --olive-mist: #E4E7DA;
  --bronze: #A6763F;
  --bronze-light: #C79A5F;
  --stone: #CFC7B4;
  --stone-line: #DED7C4;
  --white: #FFFDF8;

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --max: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 2px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  margin:0 0 .5em;
  color:var(--olive-dark);
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.4rem,5.4vw,4.6rem); font-weight:500;}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);}
h3{font-size:clamp(1.25rem,2.2vw,1.6rem);}
p{margin:0 0 1.1em; max-width:62ch;}
.lede{font-size:1.2rem; color:var(--ink-soft); max-width:52ch;}
ul, ol {padding-left:1.2em;}
.wrap{max-width:var(--max); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad);}

:focus-visible{outline:2px solid var(--bronze); outline-offset:3px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ---------- Eyebrow / coordinate labels (signature typographic device) ---------- */
.coord{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--bronze);
  display:inline-flex;
  align-items:center;
  gap:.55em;
  margin-bottom:1.1em;
}
.coord::before{
  content:"";
  width:22px; height:1px;
  background:var(--bronze);
  display:inline-block;
}

/* ---------- Topographic contour divider (signature graphic device) ---------- */
.contour{
  width:100%;
  display:block;
  color:var(--stone-line);
  margin:0;
}
.contour path{ fill:none; stroke:currentColor; stroke-width:1; }
.contour.on-dark{color:rgba(245,242,234,.16);}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,242,234,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--stone-line);
}
.header-inner{
  max-width:var(--max); margin:0 auto; padding:16px var(--pad);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{
  font-family:var(--font-display);
  font-size:1.28rem;
  font-weight:600;
  color:var(--olive-dark);
  text-decoration:none;
  letter-spacing:-.01em;
}
.brand span{color:var(--bronze);}
.main-nav{display:flex; align-items:center; gap:28px;}
.main-nav ul{list-style:none; display:flex; gap:24px; margin:0; padding:0;}
.main-nav ul li{margin-right:24px;}
.main-nav ul li:last-child{margin-right:0;}
.main-nav a{
  text-decoration:none;
  font-size:.88rem;
  font-weight:500;
  color:var(--ink-soft);
  position:relative;
  padding:4px 0;
}
.main-nav a:hover{color:var(--olive-dark);}
.has-sub{position:relative;}
.sub-menu{
  position:absolute; top:100%; left:-14px;
  background:var(--white);
  border:1px solid var(--stone-line);
  box-shadow:0 12px 28px rgba(20,20,10,.08);
  min-width:230px;
  padding:8px;
  display:none;
  flex-direction:column;
  gap:2px;
}
.has-sub:hover .sub-menu, .has-sub:focus-within .sub-menu{display:flex;}
.sub-menu a{padding:9px 12px; display:block; border-radius:2px;}
.sub-menu a:hover{background:var(--olive-mist);}
.header-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--olive-dark); color:var(--white);
  padding:10px 18px; font-size:.85rem; font-weight:600;
  text-decoration:none; white-space:nowrap;
  border:1px solid var(--olive-dark);
}
.header-cta:hover{background:var(--olive);}
.menu-toggle{display:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 26px;
  font-size:.92rem; font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--olive-dark); color:var(--white); border-color:var(--olive-dark);}
.btn-primary:hover{background:var(--olive);}
.btn-bronze{background:var(--bronze); color:var(--white); border-color:var(--bronze);}
.btn-bronze:hover{background:var(--bronze-light);}
.btn-outline{background:transparent; color:var(--olive-dark); border-color:var(--olive-dark);}
.btn-outline:hover{background:var(--olive-dark); color:var(--white);}
.btn-row{display:flex; flex-wrap:wrap; gap:14px; margin-top:1.6em;}

/* ---------- Hero ---------- */
.hero{
  background:var(--olive-dark);
  color:var(--white);
  position:relative;
  overflow:hidden;
  padding:96px 0 0;
}
.hero .wrap{position:relative; z-index:2;}
.hero h1{color:var(--white); max-width:14ch;}
.hero .lede{color:rgba(245,242,234,.82); font-size:1.25rem;}
.hero-topo{position:absolute; inset:0; opacity:.5; z-index:1;}
.hero-bottom-contour{color:rgba(245,242,234,.14); margin-top:64px;}

/* ---------- Page hero (secondary pages) ---------- */
.page-hero{background:var(--paper-deep); padding:64px 0 56px; border-bottom:1px solid var(--stone-line);}
.page-hero h1{max-width:22ch;}
.breadcrumb{font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em; color:var(--ink-soft); text-transform:uppercase; margin-bottom:18px;}
.breadcrumb a{text-decoration:none; color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--bronze);}

/* ---------- Sections ---------- */
section{padding:76px 0;}
.section-tight{padding:52px 0;}
.section-dark{background:var(--olive-dark); color:var(--white);}
.section-dark h2, .section-dark h3{color:var(--white);}
.section-dark p{color:rgba(245,242,234,.82);}
.section-paper-deep{background:var(--paper-deep);}
.section-head{max-width:60ch; margin-bottom:44px;}

/* ---------- Grids / cards ---------- */
.grid{display:grid; gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--white);
  border:1px solid var(--stone-line);
  padding:32px 28px;
}
.card h3{margin-bottom:.4em;}
.card a.card-link{text-decoration:none; display:block; color:inherit;}
.card a.card-link:hover{border-color:var(--bronze);}
.card .coord{margin-bottom:.7em;}

.stat-block{border-top:1px solid var(--stone-line); padding-top:18px;}
.stat-block .num{font-family:var(--font-mono); font-size:2rem; color:var(--bronze); display:block;}
.stat-block .label{font-size:.85rem; color:var(--ink-soft);}

/* ---------- Data table (property fact sheet) ---------- */
.fact-sheet{border:1px solid var(--stone-line); background:var(--white);}
.fact-row{
  display:flex; justify-content:space-between; gap:20px;
  padding:16px 24px; border-bottom:1px solid var(--stone-line);
  font-size:.95rem;
}
.fact-row:last-child{border-bottom:none;}
.fact-row .k{color:var(--ink-soft); font-weight:500;}
.fact-row .v{font-family:var(--font-mono); font-weight:600; color:var(--olive-dark); text-align:right;}
.placeholder{color:var(--bronze); font-style:italic;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--stone-line); padding:20px 0;}
.faq-item summary{cursor:pointer; font-weight:600; font-family:var(--font-display); font-size:1.08rem; list-style:none; display:flex; justify-content:space-between; gap:20px; color:var(--olive-dark);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+"; font-family:var(--font-mono); color:var(--bronze); font-size:1.2rem;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin-top:14px;}

/* ---------- Process ribbon ---------- */
.process{display:flex; flex-wrap:wrap; gap:0; border:1px solid var(--stone-line); background:var(--white);}
.process-step{flex:1 1 150px; padding:22px 20px; border-right:1px solid var(--stone-line);}
.process-step:last-child{border-right:none;}
.process-step .coord{margin-bottom:.5em;}

/* ---------- Form ---------- */
.form-panel{background:var(--white); border:1px solid var(--stone-line); padding:36px;}
.field{margin-bottom:18px;}
.field label{display:block; font-size:.82rem; font-weight:600; margin-bottom:6px; color:var(--ink-soft);}
.field input, .field select, .field textarea{
  width:100%; padding:12px 14px;
  border:1px solid var(--stone); background:var(--paper);
  font-family:var(--font-body); font-size:.95rem; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--bronze); outline-offset:1px; border-color:var(--bronze);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink); color:rgba(245,242,234,.72); padding-top:0;}
.footer-top{padding:64px 0 40px; border-bottom:1px solid rgba(245,242,234,.12);}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px;}
.footer-grid h4{color:var(--white); font-family:var(--font-mono); font-size:.75rem; letter-spacing:.1em; text-transform:uppercase; font-weight:600;}
.footer-grid ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:9px;}
.footer-grid a{text-decoration:none; color:rgba(245,242,234,.72); font-size:.92rem;}
.footer-grid a:hover{color:var(--bronze-light);}
.footer-brand{font-family:var(--font-display); color:var(--white); font-size:1.3rem; margin-bottom:.4em;}
.footer-bottom{padding:22px 0; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.78rem; color:rgba(245,242,234,.5);}

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position:fixed; right:20px; bottom:20px; z-index:60;
  display:flex; align-items:center; gap:10px;
  background:var(--bronze); color:var(--white);
  padding:14px 18px; text-decoration:none;
  box-shadow:0 10px 26px rgba(20,20,10,.25);
  font-weight:600; font-size:.9rem;
}
.wa-float:hover{background:var(--bronze-light);}
.wa-float svg{width:20px; height:20px; flex-shrink:0;}

/* ---------- Utility ---------- */
.mt-0{margin-top:0;}
.text-center{text-align:center; margin-left:auto; margin-right:auto;}
.badge{
  display:inline-block; font-family:var(--font-mono); font-size:.68rem;
  letter-spacing:.08em; text-transform:uppercase;
  border:1px solid var(--bronze); color:var(--bronze);
  padding:4px 10px; margin-bottom:14px;
}
.disclosure{
  font-size:.85rem; color:var(--ink-soft); background:var(--olive-mist);
  border-left:3px solid var(--olive); padding:14px 18px; max-width:70ch;
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid-3, .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:820px){
  .main-nav{position:fixed; inset:64px 0 0 0; background:var(--paper); flex-direction:column; align-items:flex-start; padding:24px var(--pad); display:none; overflow-y:auto; border-top:1px solid var(--stone-line);}
  .main-nav.open{display:flex;}
  .main-nav ul{flex-direction:column; gap:2px; width:100%;}
  .main-nav ul li{width:100%; border-bottom:1px solid var(--stone-line);}
  .main-nav a{padding:14px 4px; display:block;}
  .sub-menu{position:static; display:none; border:none; box-shadow:none; padding-left:14px;}
  .has-sub[data-open="true"] .sub-menu{display:flex;}
  .header-cta{display:none;}
  .menu-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width:40px; height:40px; border:1px solid var(--stone-line); background:transparent;
    font-family:var(--font-mono); font-size:.7rem;
  }
}
@media (max-width:760px){
  .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  section{padding:52px 0;}
  .process{flex-direction:column;}
  .process-step{border-right:none; border-bottom:1px solid var(--stone-line);}
}
```css
/* =========================================================
   CONTACTO — Diseño premium
   ========================================================= */

.contact-section {
  padding: 80px 0 110px;
}

.contact-intro {
  max-width: 760px;
  margin-bottom: 64px;
}

.contact-intro h1 {
  margin-bottom: 18px;
}

.contact-intro > p:last-child {
  max-width: 650px;
  font-size: 1.08rem;
  line-height: 1.75;
  opacity: .78;
}

.contact-layout {
  gap: 70px;
}

/* FORMULARIO */

.contact-form-panel {
  padding: 42px;
}

.form-heading {
  margin-bottom: 34px;
}

.form-heading h2 {
  margin-bottom: 12px;
}

.form-heading p:last-child {
  line-height: 1.7;
  opacity: .72;
}

.contact-form-panel .field {
  margin-bottom: 22px;
}

.contact-form-panel input,
.contact-form-panel select,
.contact-form-panel textarea {
  width: 100%;
  box-sizing: border-box;
}

.contact-form-panel textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form-panel label span {
  opacity: .55;
  font-weight: 400;
}

.form-note {
  margin-top: 16px;
  font-size: .76rem;
  line-height: 1.5;
  opacity: .55;
}

/* CONTACTO DIRECTO */

.contact-direct {
  padding-top: 12px;
}

.contact-direct h2 {
  max-width: 500px;
  margin-bottom: 18px;
}

.contact-direct > p:not(.coord) {
  max-width: 520px;
  line-height: 1.75;
  opacity: .75;
}

/* Enlace WhatsApp */

.direct-contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 520px;
  padding: 20px 0;
  margin-top: 28px;
  border-top: 1px solid rgba(0,0,0,.14);
  border-bottom: 1px solid rgba(0,0,0,.14);
  text-decoration: none;
  font-weight: 600;
  transition: opacity .2s ease;
}

.direct-contact-link:hover {
  opacity: .65;
}

.direct-contact-link span:last-child {
  font-size: 1.2rem;
}

/* Proyecto destacado */

.contact-project {
  margin-top: 72px;
  padding-top: 30px;
  border-top: 1px solid rgba(0,0,0,.14);
  max-width: 520px;
}

.contact-project h3 {
  margin-bottom: 12px;
}

.contact-project p:not(.coord) {
  line-height: 1.7;
  opacity: .72;
}

.text-link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

/* Mobile */

@media (max-width: 800px) {

  .contact-section {
    padding: 55px 0 75px;
  }

  .contact-intro {
    margin-bottom: 42px;
  }

  .contact-layout {
    gap: 48px;
  }

  .contact-form-panel {
    padding: 28px 22px;
  }

  .contact-project {
    margin-top: 50px;
  }

}
```