:root{
  --accent:#D32F2F;
  --dark:#111;
  --muted:#666;
  --bg:#f7f7f8;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 6px 24px rgba(17,17,17,0.08);
  font-family:"Inter","Roboto",system-ui,-apple-system,"Segoe UI",Arial;
}

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

body{
  background:linear-gradient(180deg,#fafafa,#f1f1f3);
  color:var(--dark);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  animation: fadeInBody 0.8s ease-in-out;
}

@keyframes fadeInBody {
  from {opacity: 0; transform: translateY(10px);}
  to {opacity: 1; transform: translateY(0);}
}

/* header */
header.site-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:16px 24px;
  background:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,0.05);
  position:sticky;
  top:0;
  z-index:10;
}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{
  width:56px;height:56px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),#b71c1c);
  display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:20px;
  box-shadow:var(--shadow);
  transition: transform .3s ease;
}
.logo:hover { transform: rotate(10deg) scale(1.05); }

nav.main-nav{display:flex;gap:10px}
nav.main-nav a{
  text-decoration:none;
  color:var(--dark);
  font-weight:600;
  padding:10px 12px;
  border-radius:8px;
  transition:all .3s ease;
}
nav.main-nav a.active,nav.main-nav a:hover{
  background:#fff;
  border:1px solid rgba(17,17,17,0.05);
  box-shadow:var(--shadow);
  transform: translateY(-2px);
}

/* section styling */
section{
  padding:60px 24px;
  max-width:1000px;
  margin:60px auto;
  background:var(--card);
  border-radius:12px;
  box-shadow:var(--shadow);
  animation: fadeInUp 0.8s ease both;
}
@keyframes fadeInUp {
  from {opacity: 0; transform: translateY(20px);}
  to {opacity: 1; transform: translateY(0);}
}
section h2{margin-bottom:16px;color:var(--accent);font-size:26px;}
section p{margin-bottom:20px;font-size:17px;}
ul.list{list-style:disc;padding-left:20px;margin-top:12px;margin-bottom:20px}
ul.list li{margin-bottom:8px}

/* buttons */
.btn{
  background:var(--accent);
  color:#fff;
  padding:12px 18px;
  border-radius:10px;
  text-decoration:none;
  font-weight:700;
  margin:10px 8px 0 0;
  display:inline-block;
  transition:all .3s ease;
}
.btn:hover{
  transform:translateY(-3px) scale(1.05);
  box-shadow:0 6px 20px rgba(211,47,47,0.25);
}
.btn.ghost{
  background:transparent;
  color:var(--accent);
  border:2px solid var(--accent);
}
.btn.ghost:hover{
  background:var(--accent);
  color:#fff;
}

/* hero image */
.hero img{
  width:240px;
  border-radius:12px;
  margin-top:30px;
  animation: fadeIn 1s ease-in-out;
}
@keyframes fadeIn {
  from {opacity:0; transform: scale(0.95);}
  to {opacity:1; transform: scale(1);}
}

@media(max-width:920px){
  .hero img{width:180px}
  nav.main-nav{flex-wrap:wrap;justify-content:center}
}