*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Montserrat', sans-serif;
}

body{
  background:#0f0f0f;
  color:#fff;
}

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

header{
  position:fixed;
  width:100%;
  padding:15px 0;
  transition:0.3s;
  z-index:1000;
}

header.scrolled{
  background:rgba(0,0,0,0.95);
  backdrop-filter:blur(8px);
  box-shadow:0 5px 20px rgba(0,0,0,0.6);
}

.header-cta{
  margin-left:20px;
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo img{
  height:60px;
}

.logo img{
  height:60px;
  width:auto;
  display:block;
}

.logo span{
  color:#f7b500;
}

nav{
  display:flex;
  align-items:center;
}

nav a{
  margin:0 15px;
  text-decoration:none;
  color:#fff;
  font-weight:500;
}

nav a:hover{
  color:#f7b500;
}

.menu-toggle{
  display:none;
  font-size:28px;
  cursor:pointer;
}

.hero{
  position:relative;
  height:100vh;
  overflow:hidden;
}

.hero-slider{
  position:absolute;
  width:100%;
  height:100%;
}

.slide{
  position:absolute;
  width:100%;
  height:100%;
  background-size:cover;
  background-position:center;
  opacity:0;
  transition:opacity 1s ease-in-out;
}

.slide.active{
  opacity:1;
}

.hero-overlay{
  position:absolute;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.55);
}

.overlay{
  position:absolute;
  width:100%;
  height:100%;
  background:linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.9));
}

.hero-content{
  position:relative;
  z-index:2;
  text-align:center;
  top:50%;
  transform:translateY(-50%);
  color:white;
  max-width:800px;
  margin:auto;
  padding:20px;
}

.hero-content h1{
  font-size:48px;
  margin-bottom:20px;
  font-weight:800;
}

.hero-content p{
  font-size:20px;
  margin-bottom:30px;
}

.hero-btn{
  background:#f7b500;
  color:black;
  padding:14px 35px;
  border-radius:40px;
  text-decoration:none;
  font-weight:700;
  transition:0.3s;
}

.hero-btn:hover{
  background:white;
}

.hero-controls{
  position:absolute;
  width:100%;
  top:50%;
  display:flex;
  justify-content:space-between;
  padding:0 30px;
  z-index:3;
}

.hero-controls span{
  font-size:40px;
  color:white;
  cursor:pointer;
  user-select:none;
}

.hero h1{
  font-size:48px;
  font-weight:800;
  margin-bottom:20px;
}

.hero p{
  margin-bottom:30px;
  font-size:18px;
}

.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:30px;
}

.service-card{
  background:#1b1b1b;
  border-radius:15px;
  overflow:hidden;
  transition:0.4s;
}

.service-card:hover{
  transform:translateY(-10px);
  box-shadow:0 10px 30px rgba(0,0,0,0.6);
}

.service-img{
  height:200px;
  background-size:cover;
  background-position:center;
}

.service-content{
  padding:25px;
}

.service-content h3{
  margin-bottom:15px;
  font-size:22px;
}

.service-content p{
  font-size:15px;
  margin-bottom:20px;
  color:#ccc;
}

.service-btn{
  display:inline-block;
  background:#f7b500;
  color:#000;
  padding:10px 25px;
  border-radius:30px;
  text-decoration:none;
  font-weight:600;
  transition:0.3s;
}

.service-btn:hover{
  background:white;
}

.btn-primary{
  background:#f7b500;
  color:#000;
  padding:14px 30px;
  text-decoration:none;
  font-weight:700;
  border-radius:50px;
  transition:0.3s;
}

.btn-contact{
  background:#25D366;
  color:#fff;
  padding:10px 20px;
  border-radius:30px;
  text-decoration:none;
  font-weight:600;
  transition:0.3s;
}

.btn-contact:hover{
  background:#1ebe5d;
}

.mobile{
  display:none;
}

.desktop{
  display:inline-block;
}

.btn-primary:hover{
  background:#fff;
}

.servicios, .proyectos{
  padding:100px 0;
}

.section-title{
  text-align:center;
  margin-bottom:60px;
  font-size:32px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:30px;
}

.card{
  background:#1b1b1b;
  padding:40px;
  border-radius:15px;
  transition:0.4s;
}

.card:hover{
  transform:translateY(-10px);
  background:#222;
}

.empresa{
  background:#000;
  padding:100px 0;
}

.flex{
  display:flex;
  gap:50px;
  align-items:center;
  flex-wrap:wrap;
}

.image{
  flex:1;
  height:350px;
  background:url('https://images.unsplash.com/photo-1590650046871-92c887180603') center/cover no-repeat;
  border-radius:20px;
}

.text{
  flex:1;
}

.gallery{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}

.project{
  height:250px;
  background:#333;
  border-radius:15px;
  transition:0.4s;
}

.project:hover{
  transform:scale(1.05);
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  margin-top:50px;
}

.contact-info h3{
  margin-bottom:15px;
  font-size:26px;
}

.contact-info p{
  margin-bottom:25px;
  color:#ccc;
}

.contact-item{
  margin-bottom:15px;
}

.contact-item a{
  color:#f7b500;
  text-decoration:none;
}

.contact-form form{
  display:flex;
  flex-direction:column;
  gap:15px;
}

.contact-form input,
.contact-form textarea{
  padding:12px;
  border:none;
  border-radius:8px;
  background:#1b1b1b;
  color:white;
}

.contact-form textarea{
  min-height:120px;
  resize:none;
}

.contact-form button{
  background:#f7b500;
  border:none;
  padding:14px;
  border-radius:30px;
  font-weight:700;
  cursor:pointer;
  transition:0.3s;
}

.contact-form button:hover{
  background:white;
}

.contacto{
  padding:100px 0;
  text-align:center;
  background:#111;
}

.footer {
  background: #111;
  color: #fff;
  padding: 40px 20px 10px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: auto;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 10px;
}

.footer-section p {
  color: #ccc;
  font-size: 14px;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin: 6px 0;
}

.footer-section ul li a {
  color: #bbb;
  text-decoration: none;
}

.footer-section ul li a:hover {
  color: #fff;
}

.socials a {
  display: block;
  color: #bbb;
  text-decoration: none;
  margin: 5px 0;
}

.socials a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #333;
  margin-top: 20px;
  padding-top: 10px;
  font-size: 14px;
  color: #aaa;
}

.whatsapp{
  position:fixed;
  bottom:20px;
  right:20px;
  background:#25D366;
  color:#fff;
  padding:15px;
  border-radius:50%;
  font-size:22px;
  text-decoration:none;
}

.reveal{
  opacity:0;
  transform:translateY(50px);
  transition:1s;
}

.reveal.active{
  opacity:1;
  transform:translateY(0);
}

@media(max-width:768px){
  nav{
    display:none;
    flex-direction:column;
    background:#000;
    position:absolute;
    top:70px;
    right:0;
    width:200px;
    padding:20px;
  }

  nav.active{
    display:flex;
  }

  .menu-toggle{
    display:block;
  }

  .hero-content h1{
  font-size:32px;
}

.hero-content p{
  font-size:16px;
}

  .hero h1{
    font-size:32px;
  }

  .desktop{
    display:none;
  }

  .mobile{
    display:inline-block;
  }

  .contact-grid{
  grid-template-columns:1fr;
}
}