/* ===== 1. RESET + VARIABLES ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #1d4ed8; 
  --color-dark: #0f172a;
  --color-light: #f8fafc;
  --color-text: #334155;
  --max-width: 1100px;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ===== 2. HEADER ===== */
   .nav-wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
   }
.site-header {
  background: white;box-shadow:0 1px 3px rgba(0,0,0,0.1);
  padding: 1rem 0;
}
.logo { color: white; font-weight: 700; text-decoration: none; font-size: 1.25rem; }
.logo img { height: 44px; display: block; }
.nav-links { list-style: none; display:flex; gap:1.5rem; }
.nav-links a { color:var(--color-dark); text-decoration: none; }
.nav-links a:hover { color: var(--color-primary); }

/* ===== 3. HERO ===== */
   
.hero { 
  padding:5rem 0;
  text-align:center;
}
.hero h1{
  font-size: clamp(2rem,5vw,3.5rem);
  color:var(--color-dark);
  margin-bottom:1rem;
}
.lead {
  font-size:1.25rem;
  margin-bottom:2rem;
 }

/* ===== 4. BUTTON ===== */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition:background 0.2s;
  
}
.btn:hover{
  background:#1e40af;
}

/* ===== 5. SECTIONS ===== */
.section { padding: 4rem 0; }
.section--alt { background: var(--color-light); }
h2 { font-size: 2rem; margin-bottom: 1.5rem; color: var(--color-dark); }

/* ===== 6. CARDS =====  */ 
   
.cards {
  display:grid;
  grid-template-columns:repeat(autofit,minmax(250px,1fr));
  gap:1.5rem;
 }
.card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* ===== 7. FORM =====  */
.contact-form {
  display:flex;
  flex-direction:column;
  gap:0.5rem;
  max-width:500px;
 }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius:6px;
  font:inherit;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-primary);
  border-color: var(--color-primary);
}
.contact-form label {
  font-weight: 600;
  margin-top: 0.75rem;
}
/* ===== 8. FOOTER ===== */
.site-footer {
  background: var(--color-dark);
  color: #94a3b8;
  padding: 1.5rem 0;
  text-align: center;
}

/* ===== 9. MOBILE =====  */
@media (max-width: 640px) {
  .hero{padding:3rem 0;}

}