body {
  font-family: Arial, sans-serif;
  margin:0;
  background:#f5f7fa;
  color:#333;
}

header {
  background:#0d1b2a;
  color:white;
  padding:20px;
}

header h1 {
  margin:0;
}

nav a {
  color:white;
  margin-right:15px;
  text-decoration:none;
}

.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
  padding:30px;
}

.card {
  background:white;
  padding:20px;
  border-radius:8px;
  box-shadow:0 3px 10px rgba(0,0,0,0.08);
}

.card a {
  display:inline-block;
  margin-top:10px;
  color:#0077ff;
  font-weight:bold;
}


.container {
  width:90%;
  max-width:1200px;
  margin:auto;
}

.site-header {
  background:#0d1b2a;
  color:white;
  padding:15px 0;
}

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

.logo a {
  text-decoration:none;
  font-size:24px;
  font-weight:bold;
}

.logo-main {
  color:white;
}

.logo-accent {
  color:#00c2ff;
}

.main-nav a {
  color:white;
  text-decoration:none;
  margin-left:20px;
  font-weight:500;
}

.btn-submit {
  background:#00c2ff;
  padding:8px 14px;
  border-radius:4px;
  color:#0d1b2a !important;
}

.hamburger {
  display:none;
  font-size:24px;
  cursor:pointer;
}

.site-content {
  padding:40px 0;
}

.site-footer {
  background:#111;
  color:#ddd;
  padding:40px 0 20px;
}

.footer-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:30px;
}

.site-footer a {
  color:#00c2ff;
  text-decoration:none;
}

.footer-bottom {
  text-align:center;
  margin-top:30px;
  font-size:14px;
  color:#888;
}

/* MOBILE */
@media (max-width:900px) {

  .main-nav {
    display:none;
    flex-direction:column;
    background:#0d1b2a;
    position:absolute;
    top:70px;
    right:0;
    width:200px;
    padding:20px;
  }

  .main-nav.active {
    display:flex;
  }

  .main-nav a {
    margin:10px 0;
  }

  .hamburger {
    display:block;
  }
}


.hero {
  background:linear-gradient(135deg,#0d1b2a,#1b263b);
  color:white;
  padding:80px 0;
  text-align:center;
}

.hero h1 {
  font-size:42px;
  margin-bottom:20px;
}

.hero p {
  font-size:18px;
  margin-bottom:30px;
  opacity:0.9;
}

.hero-btn {
  background:#00c2ff;
  color:#0d1b2a;
  padding:12px 24px;
  border-radius:6px;
  font-weight:bold;
  text-decoration:none;
}


.form-submit {
  max-width:500px;
  margin:40px auto;
  display:flex;
  flex-direction:column;
  gap:15px;
}

.form-submit input,
.form-submit textarea {
  padding:12px;
  border-radius:6px;
  border:1px solid #ccc;
}

.form-submit button {
  background:#0d1b2a;
  color:white;
  padding:12px;
  border:none;
  border-radius:6px;
  cursor:pointer;
}