:root{
  --bg:#f5f5f5;
  --ink:#1b1b1b;
  --panel:#ffffff;
  --dark:#111;
  --accent:#f39c12;
}

*{box-sizing:border-box}
body{
  font-family: Arial, Helvetica, sans-serif;
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
}

header{
  background:var(--dark);
  padding:1rem 1.25rem;
}

.header-inner{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}

.brand{
  display:flex;
  align-items:center;
  gap:1rem;
}

.brand img{
  width:120px;
  height:auto;
}

.brand-text h1{
  margin:0;
  color:#fff;
  font-size:1.9rem;
}

.brand-text p{
  margin:0.2rem 0 0;
  color:var(--accent);
  font-weight:600;
}

nav a{
  color:#ddd;
  margin-left:1.25rem;
  text-decoration:none;
  font-weight:700;
}

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

main{
  max-width:900px;
  margin:2rem auto;
  padding:0 1rem;
}

.card{
  background:var(--panel);
  padding:1.75rem;
  border-radius:12px;
  box-shadow:0 6px 18px rgba(0,0,0,.06);
  border-left:6px solid var(--accent);
}

footer{
  background:var(--dark);
  color:#aaa;
  text-align:center;
  padding:1rem;
  font-size:.9rem;
  margin-top:2rem;
}

@media (max-width:720px){
  .header-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  nav{
    margin-top:.5rem;
  }
  nav a{
    margin-left:0;
    margin-right:1rem;
  }
}