:root{
  --ink:#182A3D;
  --ink-soft:#2C4055;
  --tile:#1A6DB5;
  --tile-dark:#12548C;
  --tile-light:#559AD9;
  --whitewash:#F7F2E7;
  --stone:#E7DCC6;
  --algae:#5B6B45;
  --white:#FFFFFF;
  --line: rgba(24,42,61,0.12);
  --shadow: 0 20px 40px -20px rgba(24,42,61,0.35);

  /* radius scale */
  --radius-xs:4px;
  --radius-sm:6px;
  --radius-md:8px;
  --radius-lg:12px;
  --radius-pill:9999px;
  --radius:var(--radius-xs);

  /* spacing scale */
  --space-xxs:4px;
  --space-xs:8px;
  --space-sm:12px;
  --space-md:16px;
  --space-lg:24px;
  --space-xl:32px;
  --space-xxl:48px;
  --space-section:96px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  background:var(--whitewash);
  color:var(--ink);
  font-size:16px;
  line-height:1.55;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
h1,h2,h3{
  font-family:'Inter',sans-serif;
  font-weight:700;
  line-height:1.15;
  letter-spacing:-1px;
  color:var(--ink);
}
.eyebrow{
  font-family:'Inter',sans-serif;
  font-weight:600;
  font-size:12px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  color:var(--tile);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
[data-lang="en"] [data-i18n="es"]{display:none;}
[data-lang="es"] [data-i18n="en"]{display:none;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- HEADER ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,242,231,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
  max-width:1180px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand svg{width:34px;height:34px;flex-shrink:0;}
.brand-text{font-family:'Inter',sans-serif;font-weight:800;font-size:19px;letter-spacing:-0.5px;text-transform:uppercase;line-height:1;}
.brand-text span{display:block;font-family:'Inter',sans-serif;font-weight:600;font-size:9.5px;letter-spacing:1.5px;color:var(--tile);text-transform:uppercase;margin-top:3px;}
.header-actions{display:flex;align-items:center;gap:10px;}
.lang-toggle{
  display:flex;border:1.5px solid var(--ink);border-radius:var(--radius-pill);overflow:hidden;
}
.lang-toggle button{
  padding:7px 13px;font-size:14px;font-weight:600;letter-spacing:0;color:var(--ink);
}
.lang-toggle button.active{background:var(--ink);color:var(--whitewash);}
.header-phone{
  display:none;
  font-weight:600;font-size:14px;
  align-items:center;gap:7px;
}
@media(min-width:760px){.header-phone{display:flex;}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-weight:600;font-size:14px;letter-spacing:0;
  transition:transform .15s ease, box-shadow .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--tile);color:var(--white);box-shadow:0 12px 24px -10px rgba(26,109,181,0.55);}
.btn-primary:hover{background:var(--tile-dark);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--whitewash);}
.btn-light{background:var(--whitewash);color:var(--ink);}
.btn-sm{padding:10px 18px;font-size:13px;}
.btn svg{width:17px;height:17px;flex-shrink:0;}

/* ---------- HERO ---------- */
.hero{
  padding:52px 0 60px;
  position:relative;
}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:38px;align-items:center;
}
@media(min-width:960px){
  .hero-grid{grid-template-columns:1.02fr 1fr;gap:56px;}
}
.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.1;letter-spacing:-2px;margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--tile);}
.hero-sub{font-size:16px;color:var(--ink-soft);max-width:490px;margin-bottom:28px;}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.chips{display:flex;flex-wrap:wrap;gap:9px 14px;}
.chip{
  display:flex;align-items:center;gap:7px;
  font-size:13px;font-weight:500;color:var(--ink-soft);
}
.chip svg{width:15px;height:15px;color:var(--tile);flex-shrink:0;}

/* before/after slider */
.compare{
  position:relative;width:100%;aspect-ratio:4/3.1;
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  border:6px solid var(--white);
  user-select:none;
  touch-action:pan-y;
}
.compare img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;user-select:none;-webkit-user-drag:none;}
.compare .after-wrap{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;clip-path:inset(0 0 0 50%);}
.compare-handle{
  position:absolute;top:0;left:50%;height:100%;width:0;
  transform:translateX(-50%);
  cursor:ew-resize;z-index:5;
}
.compare-handle::before{
  content:"";position:absolute;top:0;left:50%;height:100%;width:3px;background:var(--white);
  transform:translateX(-50%);box-shadow:0 0 0 1px rgba(0,0,0,0.15);
}
.compare-grip{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;background:var(--tile);
  display:flex;align-items:center;justify-content:center;color:var(--white);
  box-shadow:0 8px 20px -6px rgba(0,0,0,0.5);
  border:3px solid var(--white);
}
.compare-grip svg{width:20px;height:20px;}
.compare-tag{
  position:absolute;top:14px;z-index:4;
  background:var(--ink);color:var(--whitewash);
  font-family:'Inter',sans-serif;font-weight:600;
  font-size:12px;letter-spacing:1.5px;text-transform:uppercase;
  padding:6px 12px;border-radius:var(--radius-xs);
}
.compare-tag.tag-before{left:14px;}
.compare-tag.tag-after{right:14px;background:var(--tile);}
.compare-hint{
  text-align:center;margin-top:12px;font-size:13px;font-weight:500;color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;gap:7px;
}
.compare-hint svg{width:15px;height:15px;color:var(--tile);}

/* ---------- SECTION GENERIC ---------- */
section{padding:76px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head h2{font-size:clamp(28px,4.2vw,40px);line-height:1.15;letter-spacing:-1.5px;margin-bottom:16px;}
.section-head p{color:var(--ink-soft);font-size:16px;}
.center{text-align:center;margin-left:auto;margin-right:auto;}

/* ---------- PROBLEM ---------- */
.problem{background:var(--ink);color:var(--whitewash);}
.problem .eyebrow{color:var(--tile-light);}
.problem h2{color:var(--whitewash);font-size:clamp(28px,4.2vw,40px);line-height:1.15;letter-spacing:-1.5px;margin-bottom:16px;}
.problem-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media(min-width:900px){.problem-grid{grid-template-columns:1.1fr 0.9fr;align-items:start;}}
.problem-body p{color:rgba(247,242,231,0.78);font-size:16px;margin-bottom:22px;max-width:520px;}
.problem-list{display:grid;gap:14px;}
.problem-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border:1px solid rgba(247,242,231,0.18);border-radius:var(--radius);
  font-size:14px;color:rgba(247,242,231,0.88);
}
.problem-list svg{width:19px;height:19px;color:var(--tile-light);flex-shrink:0;margin-top:2px;}

/* ---------- SERVICES ---------- */
.services-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:760px){.services-grid{grid-template-columns:repeat(3,1fr);}}
.service-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 26px;display:flex;flex-direction:column;height:100%;
  transition:box-shadow .2s ease, transform .2s ease;
}
.service-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.service-card h3{font-size:22px;line-height:1.3;letter-spacing:-0.3px;margin-bottom:12px;}
.service-card p{color:var(--ink-soft);font-size:14px;flex-grow:1;margin-bottom:0;}
.service-icon{width:44px;height:44px;color:var(--tile);margin-bottom:16px;}

/* ---------- PROCESS ---------- */
.process{background:var(--stone);}
.process-grid{display:grid;grid-template-columns:1fr;gap:0;}
@media(min-width:760px){.process-grid{grid-template-columns:repeat(4,1fr);}}
.process-step{
  position:relative;padding:28px 24px 28px 0;
  border-top:2px solid rgba(24,42,61,0.18);
}
@media(min-width:760px){
  .process-step{padding:0 22px 0 0;border-top:none;border-left:2px solid rgba(24,42,61,0.18);padding-left:22px;padding-top:4px;}
  .process-step:first-child{border-left:none;padding-left:0;}
}
.process-step .num{
  font-family:'Inter',sans-serif;font-weight:700;font-size:44px;color:var(--tile);
  line-height:1;letter-spacing:-1.5px;margin-bottom:14px;
}
.process-step h3{font-size:18px;font-weight:600;line-height:1.4;letter-spacing:0;margin-bottom:10px;}
.process-step p{font-size:14px;color:var(--ink-soft);}

/* ---------- GALLERY ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
@media(min-width:760px){.gallery-grid{grid-template-columns:repeat(4,1fr);}}
.gallery-pair{display:grid;grid-template-columns:1fr;gap:6px;}
.gallery-item{position:relative;border-radius:var(--radius-xs);overflow:hidden;aspect-ratio:1/1;}
.gallery-item img{width:100%;height:100%;object-fit:cover;}
.gallery-badge{
  position:absolute;top:8px;left:8px;background:var(--ink);color:var(--whitewash);
  font-family:'Inter',sans-serif;font-weight:600;font-size:10.5px;letter-spacing:1.2px;
  padding:4px 9px;border-radius:var(--radius-xs);text-transform:uppercase;
}
.gallery-item.after .gallery-badge{background:var(--tile);}
.gallery-caption{font-size:13px;font-weight:500;color:var(--ink-soft);margin-top:8px;text-align:center;}

/* ---------- WHY ---------- */
.why{background:var(--ink);color:var(--whitewash);}
.why .eyebrow{color:var(--tile-light);}
.why h2{color:var(--whitewash);font-size:clamp(28px,4.2vw,40px);line-height:1.15;letter-spacing:-1.5px;margin-bottom:24px;}
.why-grid{display:grid;grid-template-columns:1fr;gap:48px;}
@media(min-width:960px){.why-grid{grid-template-columns:1fr 1fr;align-items:center;}}
.why-icons{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media(min-width:520px){.why-icons{grid-template-columns:repeat(3,1fr);}}
.why-icon{
  text-align:center;padding:22px 14px;border:1px solid rgba(247,242,231,0.16);border-radius:var(--radius);
}
.why-icon svg{width:30px;height:30px;color:var(--tile-light);margin:0 auto 12px;}
.why-icon span{font-size:12px;font-weight:600;letter-spacing:0;color:rgba(247,242,231,0.9);display:block;}
.why-text p{color:rgba(247,242,231,0.82);font-size:16px;margin-bottom:20px;}
.why-text p:last-child{margin-bottom:0;}
.why-text strong{color:var(--whitewash);}

/* ---------- COVERAGE ---------- */
.coverage{text-align:center;}
.route{
  max-width:760px;margin:44px auto 0;position:relative;
}
.route svg{width:100%;height:auto;}
.route-label{font-family:'Inter',sans-serif;font-weight:700;font-size:15px;fill:var(--ink);letter-spacing:0.5px;}
.route-sub{font-family:'Inter',sans-serif;font-size:10.5px;fill:var(--ink-soft);font-weight:600;}

/* ---------- FINAL CTA ---------- */
.final-cta{
  background:linear-gradient(135deg,var(--tile) 0%, var(--tile-dark) 100%);
  color:var(--white);text-align:center;border-radius:var(--radius);
  padding:64px 28px;position:relative;overflow:hidden;
}
.final-cta h2{color:var(--white);font-size:clamp(30px,5vw,46px);line-height:1.12;letter-spacing:-1.5px;margin-bottom:16px;}
.final-cta p{color:rgba(255,255,255,0.92);font-size:16px;max-width:480px;margin:0 auto 32px;}
.final-cta .hero-ctas{justify-content:center;margin-bottom:18px;}
.final-cta .btn-primary{background:var(--ink);box-shadow:0 12px 24px -10px rgba(0,0,0,0.4);}
.final-cta .btn-primary:hover{background:#0f1c29;}
.final-cta .btn-ghost{border-color:var(--white);color:var(--white);}
.final-cta .btn-ghost:hover{background:var(--white);color:var(--tile-dark);}
.final-cta .micro{font-size:13px;color:rgba(255,255,255,0.8);font-weight:500;}

/* ---------- FOOTER ---------- */
footer{background:var(--ink);color:rgba(247,242,231,0.7);padding:48px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(247,242,231,0.14);}
@media(min-width:760px){.footer-grid{grid-template-columns:1.2fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand svg{width:30px;height:30px;}
.footer-brand-text{font-family:'Inter',sans-serif;font-weight:800;font-size:17px;letter-spacing:-0.3px;color:var(--whitewash);text-transform:uppercase;}
.footer-tagline{font-size:12px;color:var(--tile-light);font-weight:600;letter-spacing:1.5px;margin-bottom:16px;text-transform:uppercase;}
.footer-col h4{font-family:'Inter',sans-serif;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--whitewash);margin-bottom:14px;font-weight:600;}
.footer-col p, .footer-col a{display:block;font-size:14px;margin-bottom:10px;}
.footer-col a:hover{color:var(--whitewash);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;}

/* sticky mobile bar */
.mobile-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  display:flex;gap:10px;padding:12px 16px;
  background:var(--white);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -12px rgba(0,0,0,0.25);
}
.mobile-bar .btn{flex:1;padding:13px 10px;font-size:14px;}
@media(min-width:760px){.mobile-bar{display:none;}}
body{padding-bottom:78px;}
@media(min-width:760px){body{padding-bottom:0;}}

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