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

body{
  background:#f8f9fa;
  color:#333;
  line-height:1.6;
  padding-top:80px;
}

/* NAV */
.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 60px;
  background:#ffffff;
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  box-shadow:0 2px 10px rgba(0,0,0,0.1);
  border-bottom:1px solid #e9ecef;
}

.nav .logo{
  color:#2c3e50;
  font-weight:700;
  font-size:1.5rem;
}

.nav ul{
  display:flex;
  gap:30px;
  list-style:none;
}

.nav a{
  text-decoration:none;
  color:#2c3e50;
  font-weight:500;
  transition:color 0.3s;
}

.nav a:hover{
  color:#3498db;
}

/* Mobile menu */
.hamburger{
  display:none;
  cursor:pointer;
}

.bar{
  display:block;
  width:25px;
  height:3px;
  margin:5px auto;
  transition:all 0.3s;
  background:#2c3e50;
}

.nav-links{
  display:flex;
  gap:30px;
  list-style:none;
}

.nav-links li a{
  text-decoration:none;
  color:#2c3e50;
  font-weight:500;
  transition:color 0.3s;
}

.nav-links li a:hover{
  color:#3498db;
}

/* HERO */
.hero{
  height:90vh;
  display:flex;
  justify-content:center;
  align-items:center;
  text-align:center;
  background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);
  color:white;
  position:relative;
  overflow:hidden;
}

.hero::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background:rgba(0,0,0,0.3);
}

.hero-content{
  position:relative;
  z-index:1;
  max-width:800px;
  padding:0 20px;
}

.hero h1{
  font-size:3.5rem;
  margin-bottom:20px;
  font-weight:700;
}

.hero p{
  font-size:1.2rem;
  margin-bottom:40px;
  opacity:0.9;
}

.intel{
  color:#f39c12;
}

/* BUTTONS */
.btn{
  padding:14px 28px;
  border:2px solid #3498db;
  color:#3498db;
  text-decoration:none;
  margin:5px;
  cursor:pointer;
  background:transparent;
  transition:all 0.3s;
  border-radius:6px;
  font-weight:600;
  display:inline-block;
}

.btn.primary{
  background:#3498db;
  color:white;
}

.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 5px 15px rgba(0,0,0,0.2);
}

.btn.primary:hover{
  background:#2980b9;
  border-color:#2980b9;
}

/* SECTIONS */
.section{
  padding:100px 60px;
  text-align:center;
  background:white;
}

.section.dark{
  background:#f8f9fa;
  color:#333;
}

.section h2{
  font-size:2.5rem;
  margin-bottom:60px;
  color:#2c3e50;
  font-weight:600;
}

/* GRID */
.grid{
  margin-top:40px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:30px;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
}

.card{
  background:white;
  padding:40px 30px;
  border-radius:12px;
  transition:all 0.3s;
  box-shadow:0 4px 6px rgba(0,0,0,0.1);
  border:1px solid #e9ecef;
}

.card:hover{
  transform:translateY(-5px);
  box-shadow:0 10px 25px rgba(0,0,0,0.15);
}

.card h3{
  color:#2c3e50;
  margin-bottom:15px;
  font-size:1.3rem;
  font-weight:600;
}

.card p{
  color:#7f8c8d;
  line-height:1.6;
}

/* FORM */
.form{
  margin-top:50px;
  max-width:900px;
  margin-inline:auto;
  background:white;
  padding:50px;
  border-radius:12px;
  box-shadow:0 4px 6px rgba(0,0,0,0.1);
  border:1px solid #e9ecef;
}

.lead-form{
  margin-top:50px;
  max-width:600px;
  margin-inline:auto;
  background:white;
  padding:40px;
  border-radius:12px;
  box-shadow:0 4px 6px rgba(0,0,0,0.1);
  border:1px solid #e9ecef;
}

/* form grid for two-column layout on wide screens */
.form-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  align-items:start;
}

.form-row{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.form-row.form-full{
  grid-column:1 / -1;
}

label{
  font-size:1rem;
  color:#2fb895;
  font-weight:500;
}

input[type="text"], input[type="email"], input[type="tel"], select, textarea{
  width:100%;
  padding:14px 16px;
  border-radius:8px;
  border:2px solid #e9ecef;
  background:white;
  color:#333;
  outline:none;
  transition:all 0.3s;
  font-size:1rem;
}

input:focus, select:focus, textarea:focus{
  box-shadow:0 0 0 3px rgba(52,152,219,0.1);
  border-color:#3498db;
}

.form-actions{
  margin-top:30px;
  display:flex;
  justify-content:flex-end;
}

/* responsive two-column on larger screens */
@media (min-width:768px){
  .form-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 20px 30px;
  }
  
  .hamburger {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    z-index: 999;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-links li {
    margin: 16px 0;
  }
  
  .nav-links li a {
    color: #2c3e50;
    font-size: 1.1rem;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

footer{
  text-align:center;
  padding:60px 20px;
  background:#2c3e50;
  color:#bdc3c7;
}

footer h3{
  color:white;
  margin-bottom:20px;
  font-size:1.5rem;
}

footer p{
  margin:10px 0;
}

/* FORM */
.form{
  margin-top:30px;
  max-width:820px;
  margin-inline:auto;
}

/* form grid for two-column layout on wide screens */
.form-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  align-items:start;
}

.form-row{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.form-row.form-full{
  grid-column:1 / -1;
}

label{
  font-size:0.9rem;
  color:#cbd5e1;
}

input[type="text"], input[type="email"], input[type="tel"], select, textarea{
  width:100%;
  padding:12px 14px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.08);
  background:rgba(255,255,255,0.02);
  color: #f7f9fc;
  outline:none;
  transition:box-shadow .15s, border-color .15s;
}

input:focus, select:focus, textarea:focus{
  box-shadow:0 0 0 4px rgba(77,163,255,0.08);
  border-color:rgba(77,163,255,0.9);
}

.form-actions{
  margin-top:14px;
  display:flex;
  justify-content:flex-end;
}

/* responsive two-column on larger screens */
@media (min-width:700px){
  .form-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

footer{
  text-align:center;
  padding:40px;
  background:#070b14;
  color:#aaa;
}