:root{
  --bg:#E6E7E8;
  --bg-soft:#EFEFF0;
  --navy:#152A45;
  --navy-deep:#0E1D31;
  --steel:#5A7A94;
  --steel-light:#9FB4C4;
  --white:#FFFFFF;
  --line:rgba(21,42,69,0.14);
  --line-strong:rgba(21,42,69,0.28);
  --whatsapp:#25D366;
  --whatsapp-dark:#1DA851;
  --font-display:'Sora', 'Arial', sans-serif;
  --font-body:'Work Sans', -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--navy);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; }

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

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--steel);
  display:inline-block;
  margin-bottom:16px;
}

h1,h2,h3{ font-family:var(--font-display); letter-spacing:-0.01em; color:var(--navy); }
h1{ font-size:clamp(32px,5vw,54px); line-height:1.08; font-weight:800; }
h2{ font-size:clamp(26px,3.2vw,36px); line-height:1.15; font-weight:700; }
h3{ font-size:19px; font-weight:700; }
p.lead{ font-size:17px; color:#3D4E63; max-width:600px; }

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:15px;
  padding:13px 26px;
  border-radius:3px;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(0.98); }
.btn-primary{ background:var(--navy); color:var(--white); }
.btn-primary:hover{ background:var(--navy-deep); }
.btn-steel{ background:var(--steel); color:var(--white); }
.btn-steel:hover{ background:#4C6A82; }
.btn-outline{ border-color:var(--line-strong); color:var(--navy); }
.btn-outline:hover{ border-color:var(--navy); }
.btn-outline-light{ border-color:rgba(255,255,255,0.4); color:var(--white); }
.btn-outline-light:hover{ border-color:var(--white); }
.btn-whatsapp{ background:var(--whatsapp); color:var(--white); }
.btn-whatsapp:hover{ background:var(--whatsapp-dark); }
.btn svg{ width:18px; height:18px; flex-shrink:0; }

/* ---------- HEADER / NAV ---------- */
header.site{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(230,231,232,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 32px;
  max-width:1180px;
  margin:0 auto;
  gap:24px;
}
.nav-logo{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.nav-logo img{ height:44px; width:auto; }
.nav-logo-text{ font-family:var(--font-display); font-weight:800; font-size:16px; color:var(--navy); line-height:1.2; }
.nav-logo-text span{ display:block; font-family:var(--font-mono); font-weight:500; font-size:9.5px; letter-spacing:0.14em; color:var(--steel); text-transform:uppercase; }
.nav-links{ display:none; align-items:center; gap:30px; }
@media(min-width:920px){ .nav-links{ display:flex; } }
.nav-links a{
  font-size:14.5px;
  font-weight:600;
  color:var(--navy);
  position:relative;
  padding:4px 0;
}
.nav-links a.active{ color:var(--steel); }
.nav-links a::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-3px;
  height:2px;
  background:var(--steel);
  transform:scaleX(0);
  transition:transform .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{ transform:scaleX(1); }
.nav-ctas{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.nav-ctas .btn{ padding:10px 18px; font-size:14px; }
.nav-ctas .btn-outline{ display:none; }
@media(min-width:640px){ .nav-ctas .btn-outline{ display:inline-flex; } }

.nav-burger{
  display:flex;
  background:none;
  border:none;
  color:var(--navy);
  cursor:pointer;
  padding:6px;
}
@media(min-width:920px){ .nav-burger{ display:none; } }
.mobile-menu{
  display:none;
  flex-direction:column;
  background:var(--white);
  border-bottom:1px solid var(--line);
  padding:8px 32px 20px;
}
.mobile-menu.open{ display:flex; }
.mobile-menu a{
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-weight:600;
  font-size:15px;
}

/* ---------- BLUEPRINT SIGNATURE ---------- */
.blueprint{
  position:relative;
  background:var(--navy);
  color:var(--white);
  overflow:hidden;
}
.blueprint-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.blueprint-crop{
  position:absolute;
  width:26px; height:26px;
  border:1.5px solid rgba(255,255,255,0.35);
  pointer-events:none;
}
.blueprint-crop.tl{ top:28px; left:28px; border-right:none; border-bottom:none; }
.blueprint-crop.tr{ top:28px; right:28px; border-left:none; border-bottom:none; }
.blueprint-crop.bl{ bottom:28px; left:28px; border-right:none; border-top:none; }
.blueprint-crop.br{ bottom:28px; right:28px; border-left:none; border-top:none; }

/* ---------- HERO ---------- */
.hero{ padding:96px 0 110px; }
.hero-inner{ position:relative; max-width:720px; }
.hero .eyebrow{ color:var(--steel-light); }
.hero h1{ color:var(--white); margin-bottom:22px; }
.hero p.lead{ color:#C4D0DA; margin-bottom:36px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:56px; }

.trust-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px 32px;
  border-top:1px solid rgba(255,255,255,0.14);
  padding-top:32px;
  max-width:900px;
}
@media(min-width:700px){ .trust-strip{ grid-template-columns:repeat(4,1fr); } }
.trust-item .num{ font-family:var(--font-display); font-size:26px; font-weight:800; color:var(--white); display:block; }
.trust-item .label{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.06em; color:var(--steel-light); text-transform:uppercase; }

/* ---------- SECTIONS ---------- */
section{ padding:88px 0; }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- SERVICE CARDS ---------- */
.grid-cards{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media(min-width:700px){ .grid-cards{ grid-template-columns:repeat(2,1fr); } }
@media(min-width:1000px){ .grid-cards.cols-3{ grid-template-columns:repeat(3,1fr); } }
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  padding:30px 28px;
  transition:border-color .2s ease, transform .2s ease;
}
.card:hover{ border-color:var(--steel-light); transform:translateY(-2px); }
.card .card-num{ font-family:var(--font-mono); font-size:12px; color:var(--steel); margin-bottom:14px; display:block; }
.card h3{ margin-bottom:10px; }
.card p{ color:#4A5B70; font-size:14.5px; }

/* ---------- PROJECT CARDS ---------- */
.project-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.project-card:hover{ transform:translateY(-3px); }
.project-card .thumb{ aspect-ratio:4/3; overflow:hidden; background:var(--bg-soft); }
.project-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.project-card .body{ padding:22px 24px 26px; flex:1; display:flex; flex-direction:column; }
.project-card .loc{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--steel); margin-bottom:8px; }
.project-card p{ color:#4A5B70; font-size:14.5px; margin-bottom:16px; flex:1; }
.project-card .view-link{ font-weight:700; font-size:14px; color:var(--navy); display:inline-flex; align-items:center; gap:6px; }
.project-card .view-link svg{ width:14px; height:14px; transition:transform .2s ease; }
.project-card:hover .view-link svg{ transform:translateX(3px); }

/* ---------- PROCESS STEPS ---------- */
.process{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
  border-top:1px solid var(--line);
}
@media(min-width:800px){ .process{ grid-template-columns:repeat(4,1fr); } }
.process-step{
  padding:28px 24px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
}
@media(min-width:800px){ .process-step:last-child{ border-right:none; } }
.process-step .step-num{ font-family:var(--font-mono); font-size:13px; color:var(--steel); display:block; margin-bottom:12px; }
.process-step h3{ font-size:16.5px; margin-bottom:8px; }
.process-step p{ font-size:13.5px; color:#4A5B70; }

/* ---------- ABOUT COPY ---------- */
.about-copy{ max-width:720px; }
.about-copy p{ margin-bottom:18px; color:#334153; font-size:16px; }
.about-facts{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:12px;
}
@media(min-width:700px){ .about-facts{ grid-template-columns:repeat(4,1fr); } }
.about-facts .fact .num{ font-family:var(--font-display); font-size:30px; font-weight:800; color:var(--navy); display:block; }
.about-facts .fact .label{ font-family:var(--font-mono); font-size:11px; letter-spacing:0.05em; text-transform:uppercase; color:var(--steel); }

/* ---------- PROJECT DETAIL / GALLERY ---------- */
.project-block{ padding:56px 0; border-top:1px solid var(--line); }
.project-block:first-of-type{ border-top:none; }
.project-block-head{ max-width:680px; margin-bottom:32px; }
.project-block-head .loc{ font-family:var(--font-mono); font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--steel); margin-bottom:10px; display:block; }
.gallery{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
@media(min-width:700px){ .gallery{ grid-template-columns:repeat(3,1fr); } }
.gallery button{
  border:none;
  padding:0;
  background:none;
  cursor:zoom-in;
  aspect-ratio:4/3;
  overflow:hidden;
  border-radius:5px;
  display:block;
}
.gallery img{ width:100%; height:100%; object-fit:cover; transition:transform .3s ease; }
.gallery button:hover img{ transform:scale(1.05); }

.lightbox{
  position:fixed; inset:0;
  background:rgba(14,29,49,0.92);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:200;
  padding:40px;
}
.lightbox.open{ display:flex; }
.lightbox img{ max-width:100%; max-height:85vh; border-radius:4px; }
.lightbox-close{
  position:absolute;
  top:24px; right:28px;
  background:none;
  border:none;
  color:var(--white);
  font-size:32px;
  line-height:1;
  cursor:pointer;
  padding:6px;
}
.lightbox-nav{
  position:absolute;
  top:50%; transform:translateY(-50%);
  background:rgba(255,255,255,0.12);
  border:none;
  color:var(--white);
  width:44px; height:44px;
  border-radius:50%;
  font-size:20px;
  cursor:pointer;
}
.lightbox-nav.prev{ left:24px; }
.lightbox-nav.next{ right:24px; }

/* ---------- TESTIMONIALS ---------- */
.testimonial-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  padding:32px 30px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.stars{ display:flex; gap:3px; }
.stars svg{ width:16px; height:16px; }
.testimonial-card blockquote{ font-size:15.5px; color:#334153; line-height:1.7; }
.testimonial-card .who{ font-weight:700; font-size:14.5px; color:var(--navy); }
.testimonial-card .where{ font-family:var(--font-mono); font-size:11.5px; color:var(--steel); text-transform:uppercase; letter-spacing:0.05em; }

/* ---------- CONTACT ---------- */
.contact-grid{ display:grid; gap:48px; }
@media(min-width:860px){ .contact-grid{ grid-template-columns:1fr 1fr; } }
.contact-methods{ display:flex; flex-direction:column; gap:20px; margin-top:28px; }
.contact-method{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:18px 20px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
}
.contact-method .icon{
  width:38px; height:38px;
  border-radius:50%;
  background:var(--bg-soft);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.contact-method .icon svg{ width:18px; height:18px; color:var(--steel); }
.contact-method .title{ font-size:12px; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:0.05em; color:var(--steel); margin-bottom:3px; }
.contact-method .value{ font-weight:600; font-size:15.5px; }
.contact-method .value:hover{ color:var(--steel); }

.service-area{ margin-top:28px; padding:20px; border:1px dashed var(--line-strong); border-radius:6px; font-size:14.5px; color:#4A5B70; }

.form-card{ background:var(--white); border:1px solid var(--line); border-radius:8px; padding:36px 32px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13px; font-weight:600; margin-bottom:7px; color:var(--navy); }
.field input, .field textarea{
  width:100%;
  border:1.5px solid var(--line-strong);
  border-radius:4px;
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:15px;
  background:var(--bg-soft);
  color:var(--navy);
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--steel); background:var(--white); }
.field textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:12.5px; color:var(--steel); margin-top:14px; }

/* ---------- CTA BANNER ---------- */
.cta-banner{
  padding:64px 0;
  text-align:center;
  color:var(--white);
}
.cta-banner h2{ margin-bottom:14px; color:var(--white); }
.cta-banner p{ color:#C4D0DA; max-width:520px; margin:0 auto 32px; }
.cta-banner .hero-ctas{ justify-content:center; margin-bottom:0; }

/* ---------- FOOTER ---------- */
footer{
  background:var(--navy-deep);
  color:#9FAEBE;
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
@media(min-width:800px){ .footer-grid{ grid-template-columns:1.3fr 1fr 1fr; } }
.footer-logo{ height:40px; margin-bottom:14px; }
.footer-grid p{ font-size:14px; max-width:280px; }
.footer-col h4{ font-family:var(--font-mono); font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--steel-light); margin-bottom:16px; }
.footer-col a{ display:block; font-size:14.5px; padding:6px 0; color:#C4D0DA; }
.footer-col a:hover{ color:var(--white); }
.footer-bottom{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 0 30px;
  font-family:var(--font-mono);
  font-size:12px;
  color:#7A8B9C;
}
@media(min-width:700px){ .footer-bottom{ flex-direction:row; justify-content:space-between; } }

/* ---------- WHATSAPP FAB ---------- */
.wa-fab{
  position:fixed;
  bottom:24px; right:24px;
  width:58px; height:58px;
  border-radius:50%;
  background:var(--whatsapp);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 16px rgba(14,29,49,0.28);
  z-index:100;
  transition:transform .2s ease, background .2s ease;
}
.wa-fab:hover{ background:var(--whatsapp-dark); transform:scale(1.06); }
.wa-fab svg{ width:29px; height:29px; }

/* ---------- PAGE HERO (inner pages) ---------- */
.page-hero{ padding:64px 0 60px; }
.page-hero h1{ color:var(--white); margin-bottom:16px; max-width:680px; }
.page-hero p.lead{ color:#C4D0DA; }

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; transition:none !important; }
}