:root {
  --navy: #0A2463;
  --sky: #3E92CC;
  --whatsapp: #25D366;
  --ukflag: #CF142B;
  --white: #FFFFFF;
  --dark: #1E1E24;
  --shadow: 0 4px 20px rgba(10,36,99,0.08);
  --radius: 12px;
}

* {margin:0; padding:0; box-sizing:border-box;}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  line-height:1.6;
  background:#FAFBFC;
  color:var(--dark);
}
.container {width:90%; max-width:1200px; margin:0 auto;}

.navbar {
  background:white;
  box-shadow:var(--shadow);
  padding:1rem 0;
  position:sticky;
  top:0;
  z-index:100;
}
.navbar .container {
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.logo {
  display:flex;
  align-items:center;
  gap:0.5rem;
  font-weight:700;
  font-size:1.25rem;
  color:var(--navy);
  text-decoration:none;
}
.nav-links {
  display:flex;
  list-style:none;
  gap:2rem;
}
.nav-links a {
  text-decoration:none;
  color:var(--dark);
  font-weight:500;
}
.nav-toggle {
  display:none;
  font-size:1.5rem;
  border:none;
  background:none;
  cursor:pointer;
}

.hero {
  padding:4rem 0;
  background:linear-gradient(135deg, #F0F4F8, #E6EFF8);
  text-align:center;
}
.hero h1 {
  font-size:clamp(1.8rem,4vw,2.8rem);
  color:var(--navy);
  margin-bottom:1rem;
}
.hero-subtitle {
  font-size:1.1rem;
  color:#4A5568;
  margin-bottom:2rem;
}
.hero-buttons {
  display:flex;
  gap:1rem;
  justify-content:center;
  flex-wrap:wrap;
}

.btn {
  display:inline-block;
  padding:0.875rem 2rem;
  border-radius:var(--radius);
  font-weight:600;
  text-decoration:none;
  transition:transform 0.2s;
}
.btn:hover {transform:translateY(-2px);}
.btn-primary {background:var(--navy); color:white;}
.btn-whatsapp {background:var(--whatsapp); color:white;}
.btn-uk {background:var(--ukflag); color:white;}
.btn-large {
  width:100%;
  max-width:500px;
  margin:0.75rem auto;
  font-size:1.05rem;
}

.section {padding:4rem 0; text-align:center;}
.section-title {
  font-size:2rem;
  color:var(--navy);
  margin-bottom:0.5rem;
}
.section-subtitle {
  color:#6B7280;
  margin-bottom:3rem;
}
.contact-buttons {max-width:550px; margin:0 auto;}

.footer {
  background:var(--navy);
  color:white;
  padding:2rem;
  text-align:center;
  margin-top:2rem;
}

@media (max-width:768px) {
  .nav-links {
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:white;
    flex-direction:column;
    padding:1.5rem;
    display:none;
    box-shadow:0 10px 15px rgba(0,0,0,0.1);
  }
  .nav-links.open {display:flex;}
  .nav-toggle {display:block;}
}