:root{
  --ink:#111827;
  --surface:#FFFFFF;
  --surface-soft:#F1F4F8;
  --line:#D8DEE8;
  --shadow:0 18px 45px rgba(2,25,62,.12);
  --shadow-soft:0 10px 28px rgba(2,25,62,.08);
}

html{scroll-behavior:smooth;}
body{
  background:linear-gradient(180deg,#F7F9FC 0,#FFFFFF 360px);
  color:var(--ink);
}

.container{max-width:1240px;}
.btn{
  border-radius:8px;
  box-shadow:none;
  transform:translateY(0);
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(135deg,#F55409,#C44307);
  box-shadow:0 12px 24px rgba(196,67,7,.22);
}
.btn-primary:hover{background:linear-gradient(135deg,#FF6418,#9C3505);}
.btn-navy{
  background:linear-gradient(135deg,#032457,#02193E);
  box-shadow:0 10px 22px rgba(3,36,87,.18);
}

.topbar{
  background:#061A3A;
  color:#D7E0EF;
}
.topbar a{transition:color .2s ease;}
.navbar{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(14px);
  box-shadow:0 10px 32px rgba(9,30,66,.06);
}
.navbar .container{padding-top:14px; padding-bottom:14px;}
.logo-wrap img{
  height:58px;
  width:58px;
  filter:drop-shadow(0 8px 12px rgba(3,36,87,.14));
}
.logo-text strong{font-size:22px;}
.nav-menu > li > a{position:relative;}
.nav-menu > li > a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--accent);
  transition:width .2s ease;
}
.nav-menu > li > a:hover::after{width:100%;}
.dropdown{
  border:1px solid var(--line);
  border-top:3px solid var(--accent);
  box-shadow:0 18px 42px rgba(17,24,39,.14);
}

.hero{
  min-height:640px;
  display:flex;
  align-items:center;
  padding:92px 0 74px;
  background:
    linear-gradient(90deg, rgba(2,25,62,.98) 0%, rgba(3,36,87,.92) 44%, rgba(3,36,87,.64) 100%),
    url('hero-proyecto.jpg');
  background-size:cover;
  background-position:center;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(135deg, rgba(245,84,9,.16) 0 1px, transparent 1px 28px),
    linear-gradient(45deg, rgba(255,255,255,.08) 0 1px, transparent 1px 34px);
  mask-image:linear-gradient(90deg,#000,transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative; z-index:1;}
.hero-top{max-width:820px; margin-bottom:34px;}
.hero-top h1{
  font-size:clamp(38px,6vw,72px);
  line-height:1.02;
  max-width:820px;
  text-wrap:balance;
}
.hero-top p{max-width:720px; font-size:18px;}
.hero-actions{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:28px;
}
.hero-kpis{
  display:grid;
  grid-template-columns:repeat(3,minmax(150px,1fr));
  gap:12px;
  max-width:720px;
  margin-top:24px;
}
.hero-kpis div{
  padding:14px 16px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:8px;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
}
.hero-kpis strong{
  display:block;
  color:#FFFFFF;
  font-family:'Oswald',sans-serif;
  font-size:22px;
}
.hero-kpis span{display:block; color:#C9D4E5; font-size:12px; margin-top:2px;}

.hero-routes{
  grid-template-columns:repeat(5,minmax(160px,1fr));
  gap:14px;
}
.route-card{
  border-radius:10px;
  background:rgba(255,255,255,.09);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.route-card:hover{
  transform:translateY(-6px);
  background:rgba(255,255,255,.15);
  border-color:rgba(245,84,9,.6);
}

.early-contact{
  background:linear-gradient(180deg,#FFFFFF 0,#F1F4F8 100%);
}
.ec-grid{
  align-items:start;
}
form.contact-form{
  border-radius:12px;
  border:1px solid rgba(3,36,87,.12);
  box-shadow:var(--shadow);
}
input,select,textarea{
  border-radius:8px;
  background:#FBFCFE;
}

#lineas-negocio{
  background:#FFFFFF;
}
.business-line{
  border:0;
  border-radius:14px;
  padding:28px;
  margin-bottom:18px;
  background:linear-gradient(180deg,#FFFFFF,#F8FAFD);
  box-shadow:var(--shadow-soft);
}
.sub-grid{
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.sub-card{
  border-radius:10px;
  border:1px solid rgba(3,36,87,.10);
  box-shadow:0 10px 22px rgba(3,36,87,.06);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.sub-card:hover{
  transform:translateY(-4px);
  border-color:rgba(245,84,9,.45);
  box-shadow:0 18px 36px rgba(3,36,87,.12);
}

.method-section{
  background:#071D42;
  color:#DCE6F4;
  position:relative;
  overflow:hidden;
}
.method-section::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-160px;
  width:420px;
  height:420px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:50%;
}
.method-section .container{position:relative; z-index:1;}
.method-section .section-title{color:#FFFFFF;}
.method-section .section-intro{color:#AEBBD0;}
.method-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.method-card{
  min-height:210px;
  padding:24px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;
  background:rgba(255,255,255,.06);
}
.method-card span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:8px;
  background:var(--accent);
  color:#FFFFFF;
  font-family:'Oswald',sans-serif;
  font-weight:700;
  margin-bottom:18px;
}
.method-card h3{color:#FFFFFF; font-size:19px; margin-bottom:10px;}
.method-card p{color:#C7D2E2; font-size:14px;}

.projects-visual{
  border-radius:14px;
  box-shadow:var(--shadow);
}
.proyecto-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:9px;
  padding:14px;
  box-shadow:0 8px 18px rgba(3,36,87,.05);
}

.download-cta{
  border-radius:14px;
  border-left:0;
  background:
    linear-gradient(135deg, rgba(245,84,9,.18), transparent 30%),
    linear-gradient(135deg,#032457,#071D42);
  box-shadow:var(--shadow);
}
.mvv-card,.office-card,.privacy-item{
  border-radius:12px;
  box-shadow:0 10px 22px rgba(3,36,87,.06);
}
.work-section{
  background:
    linear-gradient(135deg, rgba(245,84,9,.18), transparent 32%),
    #071D42;
}
.wa-float{
  transition:transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover{
  transform:translateY(-4px) scale(1.04);
  box-shadow:0 16px 32px rgba(37,211,102,.32);
}

.reveal-on-scroll{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .5s ease, transform .5s ease;
}
.reveal-on-scroll.is-visible{
  opacity:1;
  transform:translateY(0);
}

@media (max-width:1100px){
  .hero{min-height:auto;}
  .hero-routes{grid-template-columns:1fr;}
  .method-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:720px){
  .navbar .container{padding-top:10px; padding-bottom:10px;}
  .logo-wrap img{height:50px; width:50px;}
  .hero{padding:70px 0 48px;}
  .hero-top h1{font-size:clamp(34px,12vw,48px);}
  .hero-actions .btn{width:100%; text-align:center;}
  .hero-kpis{grid-template-columns:1fr;}
  .nav-menu:not(.open){display:none;}
  .business-line{padding:22px;}
  .method-grid{grid-template-columns:1fr;}
  .method-card{min-height:auto;}
  .download-cta-title{flex-direction:column; text-align:center;}
  .wa-float{
    width:50px;
    height:50px;
    right:16px;
    bottom:16px;
    font-size:24px;
    opacity:0;
    pointer-events:none;
    transform:translateY(12px);
  }
  body.has-scrolled .wa-float{
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }
}

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