:root{
  --text: #111;
  --muted: #666;
  --line: #e6e6e6;
  --max: 820px;
}

*{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
body{
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: #fff;
}

a{ color: inherit; text-decoration: underline; text-underline-offset: 2px; }
a:hover{ opacity: .85; }

.site-header{
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-text{
  font-weight: 650;
  letter-spacing: .2px;
}

.logo{
  height: 34px;
  width: auto;
  display: block;
}

.nav{
  display: flex;
  gap: 14px;
}
.nav a{
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 8px;
}
.nav a:hover{
  background: #f4f4f4;
}
.nav a.active{
  font-weight: 600;
  text-decoration: underline;
}

.hero{
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(0deg, rgba(255,255,255,.3), rgba(255,255,255,.3)),
    url("/assets/img/hero.png");
  background-size: cover;
  background-position: center;
}
.hero-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 18px;
  display: flex;
  justify-content: flex-end;
}
@media (max-width: 600px){
  .hero-inner{
    padding: 36px 18px;
  }
}
.hero-title{
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  background: rgba(255,255,255,.9);
  padding: 10px 14px;
  border-radius: 10px;
}

.content{
  max-width: var(--max);
  margin: 0 auto;
  padding: 54px 18px 70px;
}

h1, h2, h3{
  font-family: Georgia, "Times New Roman", Times, serif;
  line-height: 1.15;
}
h1{ font-size: clamp(34px, 4vw, 54px); margin: 0 0 20px; text-align: center; }
h2{ font-size: 30px; margin: 36px 0 10px; }
h3{ font-size: 22px; margin: 26px 0 8px; }

hr{
  border: none;
  border-top: 1px solid var(--line);
  margin: 28px auto;
  max-width: 420px;
}

.center{
  text-align: center;
}

.columns{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 46px;
}
.columns h3{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  letter-spacing: .3px;
  font-weight: 700;
  margin-top: 0;
}
.columns p{ margin: 8px 0 0; }
.columns ul{ margin: 10px 0 0; padding-left: 18px; }

.site-footer{
  margin-top: 40px;
}
.footer-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
  color: var(--muted);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.footer-inner a{ color: var(--muted); text-decoration: none; }
.footer-inner a:hover{ text-decoration: underline; }
.sep{ opacity: .6; }

@media (max-width: 860px){
  .columns{ grid-template-columns: 1fr; }
  .header-inner{ flex-direction: column; align-items: flex-start; }
}