/* ============================================================
   CMA — Consultoría y Servicios de Ingeniería · Diseño 2026
   ============================================================ */
:root{
  --orange:#e07b00; --orange-d:#c96e00;
  --blue:#1a5fb4; --blue-br:#2f80d6; --blue-sky:#5ab0ff;
  --navy:#0d1b2a; --navy-2:#101d2e; --navy-3:#16283c;
  --ink:#12233a; --slate:#5f6b7a; --line:#e2e8f0;
  --paper:#f4f6f9; --card:#f7f9fc; --white:#fff; --maxw:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;color:var(--ink);background:#fff;font-family:'Poppins',system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,h5{font-family:'Poppins',sans-serif;line-height:1.12;margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--orange);display:block;margin-bottom:14px;}
.t-underline{position:relative;padding-bottom:20px;margin-bottom:8px;}
.t-underline::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;background:var(--orange);border-radius:2px;}
/* Navbar */
.nav{position:fixed;top:0;left:0;width:100%;z-index:100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 12px rgba(13,27,42,.05);}
.nav.on-hero{background:transparent;border-bottom-color:transparent;box-shadow:none;}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:84px;display:flex;align-items:center;justify-content:space-between;}
.brand img{height:52px;width:auto;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{font-size:15px;font-weight:600;color:var(--ink);transition:color .2s;}
.nav.on-hero .nav-links a{color:#fff;}
.nav-links a:hover{color:var(--orange);}
.nav-links a.active{color:var(--orange);}
.nav-cta{background:var(--orange);color:#fff !important;padding:11px 26px;border-radius:6px;font-weight:700;font-size:15px;transition:background .2s,transform .2s;}
.nav-cta:hover{background:var(--orange-d);transform:translateY(-1px);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;color:var(--ink);}
.nav.on-hero .nav-toggle{color:#fff;}
.mobile-menu{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 20px;}
.mobile-menu a{padding:13px 0;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-menu a:last-child{border-bottom:0;color:var(--orange);}
/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:6px;font-weight:700;font-size:15px;cursor:pointer;border:2px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;font-family:inherit;}
.btn .arw{transition:transform .2s;}
.btn:hover .arw{transform:translateX(4px);}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:#154c92;transform:translateY(-2px);box-shadow:0 12px 24px rgba(26,95,180,.3);}
.btn-orange{background:var(--orange);color:#fff;}
.btn-orange:hover{background:var(--orange-d);transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,123,0,.3);}
.btn-outline{background:transparent;color:var(--orange);border-color:var(--orange);}
.btn-outline:hover{background:var(--orange);color:#fff;}
/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:var(--navy);overflow:hidden;padding:120px 0 60px;}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;opacity:.28;}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(105deg,rgba(13,27,42,.96) 0%,rgba(13,27,42,.82) 42%,rgba(16,40,66,.55) 100%);}
.hero .wrap{position:relative;z-index:2;width:100%;}
.hero h1{font-size:clamp(40px,6.4vw,74px);font-weight:800;color:#fff;line-height:1.04;margin:16px 0 24px;}
.hero h1 .sky{color:var(--blue-sky);}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.82);max-width:560px;margin:0 0 34px;line-height:1.6;}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,150px));gap:18px;}
.hstat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:20px;backdrop-filter:blur(4px);}
.hstat .ic{color:var(--orange);margin-bottom:10px;display:block;}
.hstat b{display:block;font-size:30px;font-weight:800;color:var(--blue-sky);line-height:1;}
.hstat span{display:block;font-size:12.5px;color:rgba(255,255,255,.7);margin-top:6px;line-height:1.3;}
.scroll-ind{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.5);animation:bounce 2s infinite;}
@keyframes bounce{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}
/* Page header interior */
.page-head{padding:150px 0 0;}
.page-head h1{font-size:clamp(32px,4.6vw,48px);font-weight:800;}
.page-head p.intro{color:var(--slate);font-size:17px;max-width:640px;margin:22px 0 0;}
/* Sections */
.section{padding:90px 0;}
.section.paper{background:var(--paper);}
.section.navy{background:var(--navy);color:#fff;}
.section.navy h2,.section.navy h3{color:#fff;}
/* Grid + cards */
.grid{display:grid;gap:20px;}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.g2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:26px 30px;transition:transform .25s,box-shadow .25s,border-color .25s;}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(13,27,42,.09);border-color:rgba(224,123,0,.35);}
.card .ic{color:var(--orange);margin-bottom:20px;display:block;}
.card h3{font-size:19px;font-weight:700;margin-bottom:12px;color:var(--ink);}
.card p{color:var(--slate);font-size:14.5px;margin:0;line-height:1.55;}
.badge-new{display:inline-block;background:var(--orange);color:#fff;font-size:10px;font-weight:700;letter-spacing:.1em;padding:4px 9px;border-radius:4px;text-transform:uppercase;}
.tag{display:inline-block;background:rgba(26,95,180,.09);color:var(--blue);font-size:12px;font-weight:600;padding:5px 12px;border-radius:5px;margin:4px 6px 0 0;}
/* Footer */
.foot{background:var(--navy);color:rgba(255,255,255,.6);padding:26px 0;font-size:14px;border-top:3px solid var(--orange);}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.foot img{height:42px;width:auto;opacity:.9;}
.foot .fcontact{display:flex;gap:26px;align-items:center;}
.foot a{color:rgba(255,255,255,.6);transition:color .2s;}
.foot a:hover{color:var(--orange);}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
@media (max-width:920px){
  .nav-links{display:none;}.nav-toggle{display:block;}
  .g3,.g4{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
  .foot-inner{flex-direction:column;text-align:center;}
  .foot .fcontact{flex-direction:column;gap:8px;}
}
@media (max-width:680px){
  .g2,.g3,.g4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}.scroll-ind{animation:none;}
}