:root{
  --primary-color:#002147;
  --secondary-color:#0055a5;
  --accent-gradient:linear-gradient(135deg,#002147,#0055a5);
  --bg-light:rgba(255,255,255,.7);
  --shadow:0 8px 20px rgba(0,0,0,.15);
}

/* Watermark */
.watermark{
  position:fixed; inset:0;
  background:url('assets/logo-watermark.png') no-repeat center/500px auto;
  opacity:.05; z-index:-1; pointer-events:none;
}

/* Banner */
.banner{
  height:250px; display:flex; justify-content:center; align-items:center;
  color:#fff; background-size:cover; background-position:center;
  text-align:center; text-shadow:0 2px 4px rgba(0,0,0,.6);
}
.banner-content h1{ font-size:2rem; font-weight:700; }

/* Section */
.section{ padding:3rem 2rem; text-align:center; }
.section h2{ font-size:2rem; margin-bottom:1rem; color:var(--primary-color); }

/* Contact Info */
.contact-info .info-grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:2rem; margin-top:2rem;
}
.info-card{
  background:var(--bg-light);
  backdrop-filter:blur(8px);
  padding:2rem; border-radius:15px; box-shadow:var(--shadow); text-align:center;
  transition:transform .4s ease, box-shadow .4s ease;
}
.info-card:hover{ transform:translateY(-8px) scale(1.03); box-shadow:0 12px 30px rgba(0,0,0,.2); }
.info-card img{ width:60px; margin-bottom:1rem; transition:transform .3s ease; }
.info-card:hover img{ transform:rotate(10deg) scale(1.1); }
.info-card h3{ margin-bottom:.5rem; color:var(--primary-color); }

/* Social Icons */
.social-section .social-icons{
  display:flex; justify-content:center; gap:2rem; margin-top:2rem; flex-wrap:wrap;
}
.social-section img{
  width:50px; filter:drop-shadow(0 4px 8px rgba(0,0,0,.2));
  transition:transform .4s ease, filter .3s ease;
}
.social-section img:hover{ transform:scale(1.3) rotate(8deg); filter:drop-shadow(0 8px 15px rgba(0,0,0,.3)); }

/* Contact Form */
.contact-form form{
  background:var(--bg-light);
  backdrop-filter:blur(10px);
  padding:2.5rem; border-radius:15px; box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:1.5rem; max-width:600px; margin:2rem auto;
}
.contact-form input, .contact-form textarea{
  background:transparent; border:none; border-bottom:2px solid #ccc;
  padding:.8rem .5rem; font-size:1rem; transition:border-color .3s ease; outline:none;
}
.contact-form input:focus, .contact-form textarea:focus{ border-color:var(--secondary-color); }

/* Button */
.contact-form .btn{
  background:var(--accent-gradient); color:#fff; padding:.8rem 1rem; border:none;
  border-radius:50px; font-size:1.1rem; cursor:pointer;
  transition:transform .3s ease, box-shadow .3s ease;
}
.contact-form .btn:hover{ transform:translateY(-3px); box-shadow:0 6px 15px rgba(0,0,0,.2); }

/* Map */
.map iframe{ border-radius:15px; margin-top:2rem; box-shadow:var(--shadow); }

/* Animations */
.fade-in{ opacity:0; transform:translateY(20px); transition:opacity .6s ease, transform .6s ease; }
.fade-in.visible{ opacity:1; transform:translateY(0); }

/* Responsive */
@media (max-width:768px){
  .contact-info .info-grid{ grid-template-columns:1fr; }
}