:root {
  --primary:#0f3b2e;
  --accent:#2bb7a8;
  --dark:#0a2a21;
  --light:#eef2f1;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:'Segoe UI',Arial,sans-serif;
  line-height:1.75;
  color:#2a2a2a;
}

/* ================= HEADER ================= */

header{
  background:white;
  padding:18px 6%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  box-shadow:0 2px 8px rgba(0,0,0,0.05);
}

header img{
  height:55px;
}

nav{
  display:flex;
}

nav a{
  margin-left:22px;
  text-decoration:none;
  color:var(--primary);
  font-weight:500;
}

nav a:hover{
  color:var(--accent);
}

/* ================= HERO ================= */

.hero{
  min-height:65vh;
  padding:140px 6% 120px 6%;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  color:white;
}

.hero-content{
  max-width:900px;
  width:100%;
  text-align:left;
}

.hero h1{
  font-size: clamp(22px, 5vw, 42px);
  margin-bottom:20px;
  line-height:1.25;
  max-width:850px;
  width:100%;
}

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

/* ================= SECTIONS ================= */

.section{
  padding:60px 6%;
}

.section-light{
  background:var(--light);
}

h2{
  margin-bottom:18px;
  color:var(--primary);
}

/* ================= BUTTON ================= */

.btn{
  display:inline-block;
  padding:12px 26px;
  background:var(--accent);
  color:white;
  text-decoration:none;
  font-weight:600;
  border-radius:4px;
}

/* ================= FOOTER ================= */

footer{
  background:var(--dark);
  color:white;
  padding:40px 6%;
  margin-top:60px;
  font-size:14px;
}

/* ================= FORM ================= */

.form-wrapper{
  max-width:650px;
  background:white;
  padding:40px;
  box-shadow:0 12px 30px rgba(0,0,0,0.08);
  border-radius:6px;
}

form input,
form textarea{
  width:100%;
  padding:12px;
  margin-bottom:18px;
  border:1px solid #ccc;
  border-radius:4px;
  font-size:14px;
}

form input:focus,
form textarea:focus{
  border-color:var(--accent);
  outline:none;
}

form textarea{
  resize:vertical;
  min-height:120px;
}

/* ================= MOBILE ================= */

@media (max-width: 768px) {

  header{
     flex-direction:row;
     justify-content:space-between;
     align-items:center;
  }

  .burger{
     display:flex;
     flex-direction:column;
     gap:5px;
     cursor:pointer;
  }

  .burger span{
     width:25px;
     height:3px;
     background:var(--primary);
     border-radius:2px;
  }

  nav{
     display:none;
     position:absolute;
     top:80px;
     left:0;
     width:100%;
     background:white;
     padding:20px 6%;
     flex-direction:column;
     box-shadow:0 8px 20px rgba(0,0,0,0.08);
  }

  nav.active{
     display:flex;
  }

  nav a{
     margin:10px 0;
  }

}