:root{
  --azul-oscuro:#001f3f;
  --azul:#004080;
  --azul-luz:#38a1ff;
  --dorado:#ffcc00;
  --negro:#0a0a0a;
  --gris:#e8eef6;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;scroll-behavior:smooth}
body{font-family:'Poppins',system-ui,sans-serif;color:#fff;background:var(--negro)}

.navbar {
  background: linear-gradient(90deg, #001f3f, #003366, #004080);
  background-size: 300% 300%;
  animation: navbarGradient 10s ease infinite;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 60px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.4s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

@keyframes navbarGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.navbar.scrolled {
  background: linear-gradient(90deg, #001933, #003366);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.logo img {
  height: 55px;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.1);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
  margin: 10px 0;
}

.nav-links a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: all 0.3s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -3px;
  left: 0;
  background: #38a1ff;
  transition: 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: #38a1ff;
  text-shadow: 0 0 10px rgba(56,161,255,0.6);
}

#lang-select {
  background: #001830; 
  color: #ffffff;
  border: 1px solid #3b6ea5;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  appearance: none;
  cursor: pointer;
}

#lang-select option {
  background: #001830;
  color: white;
}

.nav-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #fff;
  background: transparent;
  border: none;
  transition: transform 0.3s ease;
}

.nav-toggle:hover {
  transform: scale(1.2);
}

@media (max-width: 900px) {
  .navbar {
    padding: 15px 20px;
  }
}

.nav-toggle {
  display: none;
}

@media (max-width: 900px) {
  .nav-links,
  #lang-select {
    display: none;
  }
  .nav-toggle {
    display: block;
    font-size: 1.9rem;
    color: #fff;
    cursor: pointer;
    z-index: 1100;
    background: none;
    border: none;
    transition: transform 0.3s ease;
  }
  .nav-toggle:hover {
    transform: scale(1.2);
  }
  .menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
    z-index: 900;
  }

  .menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  .mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    height: 100vh;
    background: linear-gradient(180deg, #001f3f, #003366, #004080);
    box-shadow: -6px 0 20px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 40px 25px;
    transition: right 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    background-size: 200% 200%;
    animation: menuGradient 12s ease infinite;
  }

  .mobile-menu.open {
    right: 0;
  }

  @keyframes menuGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  .mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 25px;
  }

  .mobile-menu-header button {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
    transition: transform 0.3s ease;
  }

  .mobile-menu-header button:hover {
    transform: rotate(90deg);
  }

  .mobile-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 10px;
  }

  .mobile-links a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-links a:hover {
    color: #38a1ff;
    text-shadow: 0 0 8px rgba(56,161,255,0.7);
    transform: translateX(6px);
  }
}

html, body {
  overflow-x: hidden;
}
@media (min-width: 901px) {
  .mobile-menu,
  .menu-overlay {
    display: none !important;
  }
}

.hero-nosotros{
  height:45vh;
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
  text-align:center;
  background:url('img/nosotros.jpeg') center/cover no-repeat;
}
.hero-nosotros .overlay{
    position:absolute;
    inset:0;background:linear-gradient(180deg,rgba(0,0,0,.6),rgba(0,20,40,.85))
}
.hero-nosotros .content{
    position:relative;
    z-index:2
}
.hero-nosotros h1{
    font-size:3rem;
    margin:0 0 8px
}
.hero-nosotros p{
    color:var(--azul-luz);
    font-size:1.2rem
}

.band{
  position:relative;
  isolation:isolate;
  padding:80px 20px;
  text-align:center;
  background:linear-gradient(150deg,#f5f5f8,var(--azul));
  color:#111;
  overflow:hidden;
  clip-path:polygon(0 10%,100% 0,100% 90%,0 100%);
  opacity:0;
  transform:translateY(60px);
  transition:all .9s ease
}
.band.show{
    opacity:1;
    transform:translateY(0)
}
.band.light{
    background:linear-gradient(150deg,var(--azul),#f2f3f5)
}
.band-inner{
    max-width:1000px;
    margin:0 auto
}
.band h2{
    margin:0 0 10px;
    font-size:2rem
}
.band p{
    margin:0 auto;
    max-width:900px;
    line-height:1.6
}

.asphalt{
  background:linear-gradient(180deg,#0c1d3a,#11254d);
  padding:90px 20px;position:relative;
  overflow:hidden;
  clip-path:polygon(0 12%,100% 0,100% 88%,0 100%);
  opacity:0;transform:translateY(60px);
  transition:all .9s ease
}
.asphalt.show{
    opacity:1;
    transform:translateY(0)
}
.asphalt::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:.25;
  background:url('img/asfalto-textura.jpg') center/cover repeat;
  
}
.asphalt-grid{
  position:relative;
  z-index:1;max-width:1200px;
  margin:0 auto;display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px
}
.card-mini{
  background:rgba(255,255,255,.06);
  padding:22px;
  border-radius:16px;
  box-shadow:0 10px 28px rgba(0,0,0,.4);
  backdrop-filter:blur(3px)
}
.card-mini h3{margin:0 0 8px;
color:var(--dorado)}

.card-mini p,.card-mini ul{color:#f6efe9;
    margin:0;
    line-height:1.55
}
.card-mini ul{padding-left:18px}

.band-gold h2{color:#111}
.band-gold p{color:#222}

.testimonials {
  position: relative;
  padding: 90px 20px;
  background: linear-gradient(180deg, #0c1d3a, #11254d);
  clip-path: polygon(0 12%, 100% 0, 100% 88%, 0 100%);
  overflow: hidden;
}

.testimonials::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('img/asfalto-textura.jpg') center/cover repeat;
  opacity: 0.25;
  
}

.testimonials .container {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.testimonials h2 {
  font-size: 2rem;
  margin: 0 0 6px;
}

.testimonials .sub {
  color: #cfe2ff;
  margin: 0 0 25px;
}

.opiniones {
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center; 
}

.op-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 20px;
  text-align: left;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
  transition: 0.3s;
  backdrop-filter: blur(3px);
  width: 90%;
  max-width: 1000px;
  margin: 20px 0;

}

.op-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 38px rgba(56, 161, 255, 0.4);
}

.op-card .stars {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
}

.op-card .texto {
  color: #eaf2ff;
  margin: 0 0 10px;
  line-height: 1.4;
}

.op-card .autor {
  font-weight: 600;
  color: var(--dorado);
}

.rating-resumen {
  margin-top: 35px;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.rating-resumen .promedio {
  display: flex;
  align-items: center;
  gap: 10px;
}

#ratingNumber {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dorado);
}

#ratingStars.stars {
  display: flex;
  gap: 4px;
}

@media (max-width: 1100px) {
  .opiniones {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 750px) {
  .opiniones {
    grid-template-columns: 1fr;
  }
  .testimonials {
    clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
  }
}

footer{background:var(--azul-oscuro);text-align:center;padding:16px;font-size:.92rem}

.whatsapp-float {
  position: fixed;
  width: 56px;
  height: 56px;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  text-decoration: none;
  box-shadow: 0 0 12px rgba(0,0,0,0.3);
  z-index: 9999;
}

.whatsapp-float:hover {
  background: #1ebc57;
}

[data-animate="fade"].show{animation:fadeIn .9s ease forwards}
[data-animate="rise"].show{animation:riseIn .9s ease forwards}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes riseIn{from{transform:translateY(60px);opacity:0}to{transform:translateY(0);opacity:1}}

@media (max-width:1100px){
  .asphalt-grid{grid-template-columns:repeat(2,1fr)}
  .opiniones{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-links,#lang-select{display:none}
  .nav-toggle{display:block}
  .hero-nosotros{height:60vh}
  .asphalt-grid{grid-template-columns:1fr}
  .opiniones{grid-template-columns:1fr}
  .band{clip-path:polygon(0 8%,100% 0,100% 92%,0 100%)}
  .asphalt{clip-path:polygon(0 10%,100% 0,100% 90%,0 100%)}
}