/* LatAm Engineering — site styles */
:root{
  --bg:#040C18;
  --surface:#071426;
  --surface-2:#0B1D34;
  --teal-bg:#06303A;
  --line:#1E3350;
  --line-soft:#13253F;
  --cyan:#22D3E6;
  --cyan-soft:#5FE3F0;
  --cyan-bar:#0FB5C8;
  --blue:#1570E0;
  --blue-hover:#1A63C4;
  --text:#E8EEF6;
  --text-2:#C9D4E3;
  --text-3:#B4C0D0;
  --text-4:#A9B6C8;
  --white:#FFFFFF;
  --radius:10px;
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#7FE9F3}
h1,h2,h3{margin:0;color:var(--white);line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
address{font-style:normal}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
.accent{color:var(--cyan)}
.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--white);color:var(--bg);padding:8px 14px;border-radius:6px}
.skip-link:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 32px;border-radius:6px;font-family:inherit;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s,color .2s,border-color .2s;border:0;white-space:nowrap}
.btn-primary{background:var(--blue);color:var(--white)}
.btn-primary:hover{background:var(--blue-hover);color:var(--white)}
.btn-outline{border:1.5px solid var(--cyan);color:var(--cyan);background:transparent;font-weight:500}
.btn-outline:hover{background:rgba(34,211,230,.1);color:var(--cyan)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:wait}

/* Eyebrow */
.eyebrow{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.eyebrow.center{justify-content:center;text-align:center}
.eyebrow.teal{color:var(--cyan-soft)}
.eyebrow-line{width:28px;height:2px;background:var(--cyan);flex-shrink:0}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(4,12,24,.0);transition:background .25s,box-shadow .25s}
.site-header.scrolled{background:rgba(4,12,24,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--line-soft)}
.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:52px;width:auto}
.site-nav{display:flex;align-items:center;gap:32px;font-size:15px}
.site-nav a:not(.btn){color:var(--white)}
.site-nav a:not(.btn):hover{color:var(--cyan)}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid var(--line);border-radius:8px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--white);transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;margin-top:-84px;padding:172px 0 160px;overflow:hidden;min-height:820px}
.hero-bg{position:absolute;top:0;right:0;width:62%;height:100%;object-fit:cover;opacity:.85}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 0%,var(--bg) 38%,rgba(4,12,24,.75) 58%,rgba(4,12,24,.25) 100%)}
.hero-shade::after{content:"";position:absolute;left:0;right:0;bottom:0;height:220px;background:linear-gradient(0deg,var(--bg) 0%,rgba(4,12,24,0) 100%)}
.hero-content{position:relative;display:flex;flex-direction:column;gap:28px}
.hero h1{font-size:68px;line-height:1.08;font-weight:700;letter-spacing:-.01em;max-width:960px}
.lead{font-size:19px;line-height:1.6;color:var(--text-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;padding-top:8px}
.stats{display:flex;gap:48px;padding-top:36px}
.stats li{display:flex;flex-direction:column;gap:2px;max-width:190px}
.stats li+li{padding-left:48px;border-left:1px solid var(--line)}
.stats strong{font-size:34px;font-weight:700;color:var(--white);line-height:1.2}
.stats span{font-size:14px;color:var(--text-4);line-height:1.45}

/* Window frames */
.windows{position:relative;margin-top:-90px;padding-bottom:20px}
.windows-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;max-width:1296px}
.window{border-radius:8px;overflow:hidden;background:var(--surface-2);box-shadow:0 0 48px rgba(34,211,230,.28)}
.window-side{flex:0 1 380px;margin-top:40px}
.window-center{flex:0 1 460px;box-shadow:0 0 56px rgba(21,112,224,.45)}
.window-bar{height:28px;background:var(--cyan-bar);display:flex;align-items:center;gap:6px;padding:0 12px}
.window-center .window-bar{background:var(--blue)}
.window-bar i{width:8px;height:8px;border-radius:50%;background:var(--white)}
.window img{width:100%;aspect-ratio:380/250;object-fit:cover}
.window-center img{aspect-ratio:460/290}

/* Sections */
.section{padding:110px 0}
.section-title{font-size:44px;font-weight:600;text-align:center;margin-bottom:56px}

/* Service cards */
#services{padding-bottom:40px}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.card{padding:32px 28px;border:1.5px solid var(--cyan);border-radius:var(--radius);background:var(--surface);box-shadow:0 0 28px rgba(34,211,230,.15);display:flex;flex-direction:column;gap:16px}
.card svg{width:44px;height:44px;fill:none;stroke:var(--cyan);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:20px;font-weight:600;line-height:1.3}
.card p{font-size:15px;line-height:1.65;color:var(--text-3)}

/* Tech pills */
.tech{padding:60px 0 100px}
.marquee{position:relative;overflow:hidden;margin-top:36px;padding:8px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;width:max-content;animation:marquee 45s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.logos{display:flex;flex-shrink:0;align-items:center;gap:56px;padding-right:56px}
.logos li{flex-shrink:0}
.logos img{width:96px;height:96px;object-fit:contain;opacity:.75;transition:opacity .2s,transform .2s}
.logos img:hover{opacity:1;transform:scale(1.06)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Ownership */
.ownership{background:var(--surface);padding:100px 0}
.split{display:flex;gap:24px;align-items:stretch}
.panel{flex:1 1 0;padding:48px 44px;background:var(--surface-2);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:center;gap:28px}
.num{font-size:15px;font-weight:600;letter-spacing:.14em;color:var(--cyan)}
.panel h2{font-size:44px;font-weight:600}
.panel p{font-size:17px;line-height:1.7;color:var(--text-2)}
.checks{display:flex;flex-direction:column;gap:12px}
.checks li{display:flex;align-items:center;gap:14px;padding:18px 22px;border:1.5px solid var(--cyan);border-radius:8px;font-size:19px;font-weight:600;color:var(--white)}
.checks li::before{content:"";width:22px;height:22px;flex-shrink:0;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322D3E6' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E")}
.split-img{flex:0 0 560px;width:560px;min-height:600px;object-fit:cover;border-radius:var(--radius)}

/* Principles */
.principles-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px}
.principles-grid article{display:flex;flex-direction:column;gap:14px;padding-top:22px;border-top:1.5px solid var(--line)}
.num-lg{font-size:34px;font-weight:700;color:var(--cyan);line-height:1.2}
.principles-grid h3{font-size:20px;font-weight:600;line-height:1.3}
.principles-grid p{font-size:15px;line-height:1.65;color:var(--text-3)}

/* About */
.about{background:var(--teal-bg);padding:110px 0;overflow:hidden}
.about-inner{display:flex;align-items:center;gap:72px;max-width:calc(1440px - 120px);margin-left:max(var(--gutter),calc((100% - var(--container))/2))}
.about-text{flex:0 0 580px;display:flex;flex-direction:column;gap:24px}
.about-text p{font-size:17px;line-height:1.7;color:#D5E3EA}
.about-text .about-lead{color:#E3EEF2}
.mv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding-top:8px}
.mv-card{display:flex;flex-direction:column;gap:10px;padding:22px;border:1.5px solid var(--cyan-soft);border-radius:8px}
.mv-card h3{font-size:20px;font-weight:600;color:var(--cyan-soft)}
.mv-card p{font-size:15px;line-height:1.6}
.about-photos{display:flex;gap:20px;flex-shrink:0}
.about-photos img{width:320px;height:500px;object-fit:cover;border-radius:8px;box-shadow:0 0 40px rgba(95,227,240,.25)}
.about-photos img+img{width:330px;margin-top:60px;border-radius:8px 0 0 8px}

/* Why */
.why{position:relative;overflow:hidden}
.why-bg{position:absolute;top:0;right:0;width:43%;height:100%;object-fit:cover;opacity:.55}
.why-shade{position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 0%,var(--bg) 55%,rgba(4,12,24,.4) 100%)}
.why-content{position:relative;padding-top:110px;padding-bottom:110px;display:flex;flex-direction:column;gap:24px}
.why-content>*{max-width:760px}
.why h2{font-size:52px;font-weight:700;line-height:1.1}
.why p{font-size:17px;line-height:1.7;color:var(--text-2)}

/* Contact */
.contact{background:var(--surface);padding:100px 0}
.contact-inner{display:flex;gap:80px;align-items:flex-start}
.contact-info{flex:0 0 460px;display:flex;flex-direction:column;gap:22px;padding-top:12px}
.contact-info h2{font-size:44px;font-weight:600}
.info-block{display:flex;flex-direction:column;gap:6px}
.info-block:first-of-type{padding-top:12px}
.info-label{font-size:13px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.info-block a,.info-block address{font-size:18px;line-height:1.6;color:var(--white);word-break:break-word}
.contact-form{flex:1 1 auto;display:flex;flex-direction:column;gap:22px;padding:44px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px}
.row-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:15px;font-weight:500;color:var(--white)}
.field label span{color:var(--cyan)}
.field input,.field textarea{width:100%;min-height:50px;padding:0 16px;background:var(--surface);border:1px solid var(--cyan);border-radius:6px;color:var(--white);font-family:inherit;font-size:16px}
.field textarea{min-height:150px;padding:14px 16px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#7C8CA3;font-style:italic}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan-soft);box-shadow:0 0 0 3px rgba(34,211,230,.25)}
.field.invalid input,.field.invalid textarea{border-color:#FF8A80}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{min-height:1.4em;font-size:15px}
.form-status.ok{color:#7CF0B8}
.form-status.err{color:#FFB4AB}

/* Footer */
.site-footer{padding:56px 0 40px;border-top:1px solid var(--line-soft)}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:32px}
.site-footer .brand img{height:60px;width:auto}
.footer-nav{display:flex;flex-wrap:wrap;align-items:center;gap:28px;font-size:15px}
.footer-nav a:not(.btn){color:#DCE4EF}
.footer-nav a:not(.btn):hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:32px;font-size:13px;color:#8494AA}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .hero h1{font-size:60px}
  .about-text{flex-basis:520px}
  .about-photos img{width:280px;height:460px}
  .about-photos img+img{width:290px}
  .split-img{flex-basis:480px;width:480px}
}
@media (max-width:1100px){
  .cards,.principles-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-inner{flex-direction:column;align-items:stretch;margin:0 auto;padding:0 var(--gutter);gap:48px}
  .about-text{flex-basis:auto;max-width:760px}
  .about-photos{gap:16px}
  .about-photos img,.about-photos img+img{flex:1 1 0;width:auto;min-width:0;height:420px;margin-top:0;border-radius:8px}
  .contact-inner{flex-direction:column;gap:48px}
  .contact-info{flex-basis:auto}
  .contact-form{width:100%}
  .site-nav{gap:24px}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .site-nav{position:fixed;top:84px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 24px;background:#040C18;border-bottom:1px solid var(--line-soft);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
  .site-nav.open{opacity:1;visibility:visible;transform:none}
  .site-nav a:not(.btn){padding:14px 4px;font-size:17px;border-bottom:1px solid var(--line-soft)}
  .site-nav .btn{margin-top:16px}
  .site-header{background:rgba(4,12,24,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .split{flex-direction:column}
  .split-img{flex-basis:auto;width:100%;min-height:0;height:420px}
  .windows-inner{gap:16px}
}
@media (max-width:760px){
  :root{--gutter:20px}
  .header-inner{height:72px}
  html{scroll-padding-top:72px}
  .site-nav{top:72px}
  .brand img{height:42px}
  .hero{margin-top:-72px;padding:120px 0 72px;min-height:0}
  .hero-bg{width:100%;opacity:.35}
  .hero-shade{background:linear-gradient(180deg,rgba(4,12,24,.55) 0%,rgba(4,12,24,.8) 60%,var(--bg) 100%)}
  .hero h1{font-size:40px}
  .lead{font-size:17px}
  .hero-actions .btn{flex:1 1 auto}
  .stats{flex-direction:column;gap:18px;padding-top:20px}
  .stats li,.stats li+li{padding-left:16px;border-left:2px solid var(--cyan);max-width:none}
  .stats strong{font-size:28px}
  .windows{margin-top:0}
  .windows-inner{flex-direction:column;align-items:stretch;gap:20px}
  .window-side,.window-center{flex:none;margin-top:0}
  .window-side:last-child{display:none}
  .section,.ownership,.about,.contact{padding:72px 0}
  #services{padding-bottom:24px}
  .section-title{font-size:34px;margin-bottom:36px}
  .cards,.principles-grid{grid-template-columns:1fr;gap:20px}
  .principles-grid{gap:32px}
  .tech{padding:40px 0 72px}
  .logos{gap:36px;padding-right:36px}
  .logos img{width:72px;height:72px}
  .marquee-track{animation-duration:34s}
  .panel{padding:32px 24px}
  .panel h2,.contact-info h2{font-size:32px}
  .checks li{font-size:17px;padding:14px 18px}
  .split-img{height:320px}
  .mv{grid-template-columns:1fr}
  .about-photos img,.about-photos img+img{height:280px}
  .why-bg{width:100%;opacity:.25}
  .why-shade{background:linear-gradient(180deg,rgba(4,12,24,.7),rgba(4,12,24,.9))}
  .why-content{padding-top:72px;padding-bottom:72px}
  .why h2{font-size:38px}
  .contact-form{padding:24px}
  .row-2{grid-template-columns:1fr}
  .info-block a,.info-block address{font-size:17px}
  .footer-top{flex-direction:column;align-items:flex-start}
  .footer-nav{gap:16px 22px}
  .site-footer .brand img{height:50px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .marquee{-webkit-mask-image:none;mask-image:none}
  .marquee-track{animation:none;width:auto;justify-content:center;padding:0 var(--gutter)}
  .marquee-track .logos{flex-wrap:wrap;justify-content:center;flex-shrink:1;padding-right:0;gap:28px 40px}
  .marquee-track .logos[aria-hidden]{display:none}
  *{transition:none!important}
}