:root{
  --blue-dark:#00364b;
  --blue:#005a7e;
  --teal:#009b97;
  --orange:#ff6426;
  --cream:#f7ded0;
  --paper:#fbf8f4;
  --text:#143642;
  --muted:#667982;
  --shadow:0 24px 70px rgba(0,0,0,.18);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,4vw,64px);
  background:rgba(0,54,75,.88);
  backdrop-filter:blur(16px);
  color:white;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand{display:flex;flex-direction:column;gap:0;line-height:1}
.brand-main{
  font-weight:900;
  letter-spacing:-.055em;
  font-size:clamp(28px,4vw,46px);
}
.brand-main span{color:var(--orange)}
.brand small{letter-spacing:.42em;font-size:10px;text-transform:lowercase;color:rgba(255,255,255,.78)}
.nav{display:flex;gap:24px;font-size:14px;font-weight:700}
.nav a{opacity:.88}.nav a:hover{opacity:1;color:#fff}
.nav-toggle{display:none;background:none;border:0;color:white;font-size:28px}
.hero{
  min-height:100vh;
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:30px;
  align-items:end;
  padding:160px clamp(20px,6vw,90px) 80px;
  color:white;
  background:
    linear-gradient(130deg, rgba(0,54,75,.96), rgba(0,75,98,.82) 48%, rgba(255,100,38,.82)),
    url("img/album-portada.jpg") center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:auto -10% -24% 36%;
  width:70vw;height:70vw;background:var(--orange);
  transform:rotate(-15deg);opacity:.8;clip-path:polygon(0 18%,100% 0,72% 82%,8% 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%, rgba(0,155,151,.28), transparent 38%);
}
.hero-content,.hero-card{position:relative;z-index:2}
.eyebrow,.section-kicker{
  text-transform:uppercase;letter-spacing:.18em;font-weight:900;font-size:12px;color:var(--teal);
}
.hero .eyebrow{color:#c9fff8}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(48px,8vw,96px);line-height:.95;letter-spacing:-.055em;max-width:850px;margin-bottom:24px}
.lead{font-size:clamp(18px,2vw,24px);max-width:760px;color:rgba(255,255,255,.88)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 22px;border-radius:999px;font-weight:900;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;
}
.btn.primary{background:var(--orange);color:white;box-shadow:0 16px 32px rgba(255,100,38,.32)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(255,100,38,.4)}
.btn.ghost{border-color:rgba(255,255,255,.55);color:white;background:rgba(255,255,255,.08)}
.hero-card{
  align-self:end;
  padding:28px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.hero-card strong{display:block;font-size:24px;line-height:1.05;margin-bottom:12px}
.hero-card span{color:rgba(255,255,255,.82)}
.section{padding:90px clamp(20px,6vw,90px)}
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;
}
.split.reverse{grid-template-columns:.9fr 1.1fr}
.section h2{font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-.045em;margin-bottom:24px;color:var(--blue-dark)}
.section p{font-size:17px;color:#49636d}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.stats div{background:white;padding:22px;border-radius:22px;box-shadow:0 18px 50px rgba(0,54,75,.08)}
.stats strong{display:block;font-size:38px;color:var(--orange);line-height:1}
.stats span{font-size:13px;font-weight:800;color:var(--blue-dark)}
.image-frame{
  margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  background:white;transform:rotate(-1.3deg);
}
.image-frame img{width:100%;height:100%;object-fit:cover}
.services-section{background:white}
.section-head{max-width:890px;margin-bottom:36px}
.services-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
}
.service-card{
  min-height:250px;background:linear-gradient(145deg,#fff,#f5fbfb);
  border:1px solid #e1eeee;border-radius:26px;padding:26px;
  position:relative;overflow:hidden;transition:.2s ease;
}
.service-card::after{
  content:"";position:absolute;right:-32px;bottom:-32px;width:108px;height:108px;
  border-radius:50%;background:rgba(0,155,151,.1);
}
.service-card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(0,54,75,.1)}
.service-card span{display:inline-flex;color:var(--orange);font-size:13px;font-weight:900;margin-bottom:18px}
.service-card h3{font-size:22px;line-height:1.05;color:var(--blue-dark)}
.service-card p{font-size:14px;margin:0}
.portfolio-section{background:linear-gradient(180deg,var(--paper),#fff)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter{
  border:1px solid #cadde2;background:white;border-radius:999px;padding:10px 16px;
  font-weight:900;color:var(--blue-dark);cursor:pointer;
}
.filter.active,.filter:hover{background:var(--blue-dark);color:white}
.portfolio-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;
}
.portfolio-card{
  background:white;border-radius:28px;overflow:hidden;box-shadow:0 18px 48px rgba(0,54,75,.1);
  border:1px solid #edf4f4;
}
.open-lightbox{border:0;background:transparent;padding:0;width:100%;cursor:pointer}
.portfolio-card img{width:100%;height:360px;object-fit:cover;object-position:top}
.portfolio-card div{padding:22px}
.portfolio-card h3{font-size:23px;color:var(--blue-dark);margin-bottom:8px}
.portfolio-card p{font-size:14px;margin:0}
.tech-section{background:var(--blue-dark);color:white}
.tech-section h2,.tech-section p{color:white}
.tech-section .section-kicker{color:#a9fff8}
.check-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:34px;color:rgba(255,255,255,.84);font-weight:700}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:-2px;width:24px;height:24px;border-radius:50%;
  background:var(--orange);display:flex;align-items:center;justify-content:center;color:white;font-size:14px;
}
.cta-band{
  margin:0 clamp(20px,6vw,90px);
  transform:translateY(45px);
  background:linear-gradient(135deg,var(--orange),#ff8b46);
  color:white;border-radius:36px;padding:36px clamp(24px,4vw,52px);
  display:flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:var(--shadow);position:relative;z-index:4;
}
.cta-band p{font-weight:900;margin:0 0 8px;color:rgba(255,255,255,.85)}
.cta-band h2{font-size:clamp(28px,4vw,48px);line-height:1;margin:0;letter-spacing:-.04em}
.cta-band .btn.primary{background:white;color:var(--orange);box-shadow:none;white-space:nowrap}
.contact-section{
  padding-top:140px;display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;background:white;
}
.contact-cards{display:grid;gap:12px;margin-top:28px}
.contact-cards a{padding:18px 20px;border-radius:20px;background:#f3fafa;border:1px solid #d9eeee;display:flex;justify-content:space-between;gap:20px}
.contact-cards strong{color:var(--blue-dark)}
.contact-cards span{text-align:right;color:var(--muted);font-weight:700}
.contact-form{
  background:var(--blue-dark);padding:30px;border-radius:30px;color:white;box-shadow:var(--shadow);
  display:grid;gap:16px;
}
.contact-form label{display:grid;gap:8px;font-weight:900;font-size:14px}
input,select,textarea{
  width:100%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.1);
  border-radius:16px;padding:14px 16px;color:white;font:inherit;outline:none;
}
select option{color:#111}
input::placeholder,textarea::placeholder{color:rgba(255,255,255,.55)}
.footer{
  background:#002939;color:white;padding:40px clamp(20px,6vw,90px);
  display:flex;justify-content:space-between;gap:20px;align-items:center;
}
.footer p{margin:0;color:rgba(255,255,255,.72);font-weight:700;text-align:right}
.lightbox{
  position:fixed;inset:0;z-index:100;background:rgba(0,20,28,.88);
  display:grid;place-items:center;padding:32px;
}
.lightbox img{max-height:82vh;border-radius:18px;box-shadow:var(--shadow)}
.lightbox p{color:white;font-weight:900;font-size:20px}
.close-lightbox{position:absolute;top:22px;right:26px;background:white;border:0;border-radius:50%;width:46px;height:46px;font-size:30px;cursor:pointer}
@media (max-width:1050px){
  .hero{grid-template-columns:1fr}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .split,.split.reverse,.contact-section{grid-template-columns:1fr}
}
@media (max-width:740px){
  .site-header{padding:14px 18px}
  .nav{
    position:absolute;left:14px;right:14px;top:76px;display:none;flex-direction:column;
    background:#002f42;padding:20px;border-radius:20px;box-shadow:var(--shadow);
  }
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .hero{padding:132px 20px 60px}
  .hero-card{display:none}
  .stats,.services-grid,.portfolio-grid{grid-template-columns:1fr}
  .portfolio-card img{height:300px}
  .cta-band{flex-direction:column;align-items:flex-start;margin:0 20px}
  .contact-cards a{display:grid}.contact-cards span{text-align:left}
  .footer{flex-direction:column;align-items:flex-start}.footer p{text-align:left}
}


/* Corrección: oculta realmente la ventana emergente cuando está cerrada */
.lightbox[hidden]{
  display:none !important;
}