* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

html, body {
  height: 100%;
  width: 100%;
}

body {
  background: linear-gradient(135deg, #0d1b3c, #1a2b55);
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* NAVBAR */
nav {
  width: 100%;
  background: rgba(13,27,60,0.9);
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 15px 0;
  position: fixed;
  top: 0;
  z-index: 1000;
}

nav a {
  color: #ff4d4d;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

nav a:hover {
  color: #ff9999;
}

/* MAIN */
main {
  flex: 1;
  padding: 120px 20px 60px;
  width: 100%;
  max-width: 1000px;
  margin: auto;
}

/* HEADINGS */
h1, h2 {
  color: #ff4d4d;
  margin-bottom: 20px;
}

p {
  line-height: 1.7;
  margin-bottom: 20px;
}

/* FOOTER */
footer {
  width: 100%;
  padding: 20px;
  background: rgba(0,0,0,0.8);
  text-align: center;
  color: #fff;
  margin-top: auto;
}

footer a {
  color: #ff4d4d;
  margin: 0 10px;
  text-decoration: none;
}

footer a:hover {
  color: #ff9999;
}

/* CARDS */
.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.card {
  background: rgba(255,255,255,0.05);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  min-width: 150px;
  text-align: center;
  font-weight: bold;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #ff4d4d;
  box-shadow: 0 0 15px rgba(0,0,0,0.4);
}