:root{
  --blue:#55a8c8;
  --text:#5c5c5c;
  --line:#e9e9e9;
  --bg:#ffffff;
  --max:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--bg);
}
img{display:block; width:100%; height:auto}
a{text-decoration:none; color:inherit}

.container{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:#fff;
  border-bottom:1px solid var(--line);
}

.header-inner{
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo{
  font-family: Georgia, "Times New Roman", serif;
  font-size:clamp(2rem, 4vw, 3.4rem);
  color:var(--blue);
  line-height:1;
}

.burger{
  width:46px;
  height:46px;
  border:0;
  background:transparent;
  cursor:pointer;
}
.burger span{
  display:block;
  width:24px;
  height:2px;
  background:var(--blue);
  margin:4px auto;
}

.hero{
  min-height:calc(100vh - 84px);
  display:flex;
  align-items:center;
  color:#fff;
  background:
    linear-gradient(rgba(22,28,34,.45), rgba(22,28,34,.45)),
    url("img/hero.jpg") center/cover no-repeat;
}

.hero-content{
  max-width:760px;
  padding:72px 0;
}

.hero h1,
.section h2,
.contact-section h2{
  font-family: Georgia, "Times New Roman", serif;
  font-weight:400;
  color:var(--blue);
}

.hero h1{
  color:#fff;
  font-size:clamp(2.3rem, 5vw, 4.8rem);
  line-height:1.05;
  margin:0 0 22px;
}

.hero p{
  font-size:clamp(1.05rem, 2vw, 1.55rem);
  line-height:1.6;
  margin:0 0 28px;
  max-width:700px;
}

.section{
  padding:72px 0;
  border-top:1px solid var(--line);
}

.section-alt{
  background:#fff;
}

.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
}

.reverse .text{order:1}
.reverse .media{order:2}

.text h2,
.contact-section h2{
  font-size:clamp(2rem, 4vw, 3.3rem);
  line-height:1.08;
  margin:0 0 20px;
}

.text p,
.lead{
  font-size:clamp(1.05rem, 1.8vw, 1.35rem);
  line-height:1.7;
  margin:0;
  color:#666;
}

.contact-section{
  background:#f8f8f8;
}

.contact-grid{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap:40px;
  align-items:start;
}

.contact-form{
  display:grid;
  gap:18px;
}

.contact-form label{
  display:grid;
  gap:10px;
  font-size:1rem;
  color:#666;
}

.contact-form input,
.contact-form textarea{
  width:100%;
  font:inherit;
  padding:16px 14px;
  border:1px solid #bbb;
  background:#fff;
}

.btn{
  display:inline-block;
  width:max-content;
  background:var(--blue);
  color:#fff;
  border:0;
  padding:16px 24px;
  cursor:pointer;
  font-size:1.05rem;
}

.site-footer{
  padding:24px 0 40px;
  border-top:1px solid var(--line);
  color:#888;
}

@media (max-width: 900px){
  .split,
  .contact-grid{
    grid-template-columns:1fr;
  }
  .reverse .text,
  .reverse .media{
    order:initial;
  }
  .hero{
    min-height:auto;
  }
}