:root {
  --primary: #0f172a;
  --accent: #1e40af;
  --light: #f8fafc;
  --text: #1e293b;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.6;
}

.container { width:90%; max-width:1100px; margin:auto; }

header {
  background:white;
  padding:1rem 0;
  border-bottom:1px solid #eee;
  position:sticky;
  top:0;
  z-index:100;
}

.nav { display:flex; justify-content:space-between; align-items:center; }

.logo { display:flex; align-items:center; gap:10px; }

.logo-text { line-height:1; }

.logo-text strong { font-size:1.2rem; }

nav ul { list-style:none; display:flex; gap:1.5rem; }

nav a { text-decoration:none; color:var(--text); font-weight:600; }

.menu-toggle { display:none; font-size:1.5rem; cursor:pointer; }

.hero {
  background: linear-gradient(rgba(15,23,42,0.7), rgba(15,23,42,0.7)),
  url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=1600') center/cover;
  color:white;
  padding:6rem 1rem;
  text-align:center;
}

.hero h1 { font-size:2.5rem; margin-bottom:1rem; }

.btn {
  display:inline-block;
  padding:0.9rem 1.8rem;
  background:var(--accent);
  color:white;
  text-decoration:none;
  border-radius:6px;
  font-weight:600;
}

.section { padding:4rem 0; }

.grid-3 { display:grid; gap:2rem; }

.card, .testimonial {
  background:var(--light);
  padding:2rem;
  border-radius:10px;
  text-align:center;
}

.gallery-grid {
  display:grid;
  gap:1rem;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
}

.gallery-grid img {
  width:100%;
  border-radius:8px;
  cursor:pointer;
}

footer {
  background:var(--primary);
  color:white;
  text-align:center;
  padding:2rem 1rem;
}

.cta {
  background:var(--accent);
  color:white;
  text-align:center;
  padding:3rem 1rem;
}

form { max-width:600px; margin:auto; }

input, textarea {
  width:100%;
  padding:0.8rem;
  margin-bottom:1rem;
  border-radius:6px;
  border:1px solid #ccc;
}

.section, .card, .testimonial {
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeUp {
  to { opacity:1; transform:translateY(0); }
}

@media (max-width:768px){
  nav ul {
    display:none;
    flex-direction:column;
    background:white;
    position:absolute;
    top:60px;
    right:20px;
    padding:1rem;
    border-radius:8px;
    box-shadow:0 10px 30px rgba(0,0,0,0.1);
  }
  nav ul.active { display:flex; }
  .menu-toggle { display:block; }
  .grid-3 { grid-template-columns:1fr; }
}

@media (min-width:768px){
  .grid-3 { grid-template-columns:repeat(3,1fr); }
}