:root{
  --primary:#0666CC;
  --accent:#FF9A1C;
  --text:#333;
  --muted:#777;
  --bg:#fff;
  --radius:12px;
  --max-width:1100px;
  --shadow: 0 6px 18px rgba(16,24,40,0.08);
  --gap:1.25rem;
  --transition:300ms ease;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* Basic resets */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:linear-gradient(180deg,#f6f9fc, #ffffff 30%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{max-width:var(--max-width);margin:0 auto;padding:1rem}

/* Header */
.site-header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(0,0,0,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 0}
.brand{font-weight:700;color:var(--primary);text-decoration:none;font-size:1.15rem}
.site-nav{display:flex;gap:0.75rem;align-items:center}
.site-nav a{padding:0.5rem 0.65rem;color:var(--muted);text-decoration:none;border-radius:8px;transition:var(--transition)}
.site-nav a:hover,.site-nav a.active{color:var(--primary);font-weight:600;background:rgba(6,102,204,0.05)}

.nav-toggle{display:none;background:none;border:0;font-size:1.25rem}

/* Hero */
.hero{padding:4rem 0;background-image:url('../images/hero.jpg');background-size:cover;background-position:center;border-radius:16px;margin:1rem 0;color:#fff}
.hero-inner{background:linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.08));padding:2rem;border-radius:12px}
.hero h1{margin:0 0 0.25rem;font-size:2rem}
.lead{color:rgba(255,255,255,0.9);margin-bottom:1rem}

/* Buttons */
.btn{display:inline-block;padding:0.6rem 1rem;border-radius:8px;background:var(--primary);color:#fff;text-decoration:none;border:0;cursor:pointer;box-shadow:var(--shadow)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.15);color:#fff}

/* Features */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:2rem 0}
.features article{background:#fff;padding:1rem;border-radius:12px;box-shadow:var(--shadow)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1rem 0}
.card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card img{width:100%;height:150px;object-fit:cover}
.card h3{margin:0.75rem 1rem 0.25rem}
.card p{margin:0 1rem 1rem;color:var(--muted);flex:1}
.card .btn{margin:0 1rem 1rem;align-self:flex-start}

/* Content areas */
.content{padding:2rem 0;background:transparent}

/* Forms */
form{background:#fff;padding:1rem;border-radius:12px;box-shadow:var(--shadow)}
.form-row{display:flex;flex-direction:column;margin-bottom:0.75rem}
label{font-weight:600;margin-bottom:0.25rem}
input,textarea{padding:0.6rem;border:1px solid #e6e9ee;border-radius:8px;font-size:1rem}
input:focus,textarea:focus{outline:none;box-shadow:0 0 0 3px rgba(6,102,204,0.08);border-color:var(--primary)}
.error{color:#b00020;font-size:0.9rem;min-height:1.1rem}
.success{color:green;margin-top:0.5rem}

/* Gallery */
.filters{display:flex;gap:0.5rem;margin-bottom:1rem}
.filter-btn{background:#fff;border:1px solid #e6e9ee;padding:0.45rem 0.65rem;border-radius:8px}
.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0.75rem}
.gallery-item{background:#fff;border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}
.gallery-item img{width:100%;height:350px;object-fit:cover}
.gallery-item figcaption{padding:0.5rem;font-size:0.95rem}

/* Footer */
.site-footer{padding:1rem 0;color:var(--muted);text-align:center;margin-top:2rem}

/* Animations */
.fade-in{opacity:0;transform:translateY(10px);animation:fadeInUp 600ms ease forwards}
@keyframes fadeInUp{to{opacity:1;transform:none}}

/* Responsive */
@media (max-width:900px){
  .hero h1{font-size:1.55rem}
}
@media (max-width:760px){
  .nav-toggle{display:block}
  .site-nav{position:fixed;right:10px;top:64px;background:#fff;padding:0.75rem;border-radius:10px;box-shadow:var(--shadow);flex-direction:column;display:none}
  .site-nav.open{display:flex}
  .hero{padding:2rem}
}