:root{
  --bg: #f9fafb;
  --fg: #1e293b;
  --muted: #475569;
  --brand: #0f4c81; /* Navy blue */
  --card: #ffffff;
  --ring: rgba(15,76,129,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--fg); line-height: 1.6;
}
.container{max-width:1100px; margin-inline:auto; padding: 0 1rem}

/* Header / Nav */
.site-header{
  position:sticky; top:0; backdrop-filter: blur(8px);
  background: #ffffffd9;
  border-bottom: 1px solid #e2e8f0;
  z-index:100;
}
.nav{display:flex; align-items:center; justify-content:space-between; height:64px}
.logo{font-weight:800; letter-spacing:.2px; text-decoration:none; color:var(--fg); font-size:1.25rem}
.logo span{color:var(--brand)}
nav a{
  text-decoration:none; color:var(--muted); margin-left:0rem; padding:.3rem .5rem; border-radius:.2rem
}
nav a:hover{color:var(--fg); background: #e2e8f0}
nav a.active{color:var(--fg); background: #cbd5e1}

/* Hero */
.hero{padding: clamp(2rem, 6vw, 5rem) 0; text-align:center}
.hero h1{font-size:clamp(2rem, 6vw, 3rem); margin:.2rem 0 .6rem}
.hero p{color:var(--muted); margin:0 0 1rem}
.btn{
  display:inline-block; padding:.75rem 1rem; border-radius:.7rem; background:var(--brand); color:#fff;
  text-decoration:none; font-weight:700; border: 2px solid transparent; transition: transform .06s ease;
}
.btn:active{transform: translateY(1px)}
.btn:focus{outline:none; box-shadow: 0 0 0 .25rem var(--ring)}

/* Cards grid */
.grid{
  display:grid; gap:1rem; padding: 2rem 0;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card{
  padding:1.25rem; background:var(--card); border-radius: .9rem; border:1px solid #e2e8f0;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
}
.card h3{margin:.2rem 0 .4rem}
.card p{margin:0; color:var(--muted)}

/* Prose */
.prose h1{font-size:clamp(1.6rem, 4vw, 2.2rem); margin:1.5rem 0 .5rem}
.prose p{color:var(--fg)}

/* Form */
.form{display:grid; gap:1rem; max-width:640px}
.form label{display:grid; gap:.35rem; font-weight:600}
.form input[type="text"], .form input[type="email"], .form textarea{
  width:100%; padding:.75rem .85rem; border-radius:.7rem; border:1px solid #cbd5e1;
  background:var(--card); color:var(--fg)
}
.form input:focus, .form textarea:focus{outline:none; box-shadow: 0 0 0 .25rem var(--ring)}
.form .hp{position:absolute; left:-9999px} /* honeypot */

/* Footer */
.site-footer{margin-top:3rem; padding:1.5rem 0; border-top:1px solid #e2e8f0; color:var(--muted)}

/* Gallery */
.gallery{
  display:grid; 
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap:1rem; 
  margin: 2rem 0;
}
.gallery-item{
  overflow:hidden; 
  border-radius:.7rem; 
  box-shadow:0 2px 6px rgba(0,0,0,.08);
}
.gallery-item img{
  width:100%; 
  height:100%; 
  object-fit:cover; 
  display:block; 
  transition: transform .3s ease;
}
.gallery-item img:hover{
  transform:scale(1.05);
}