/* ========== GLOBAL ========== */

:root {
  --bg: #07020d;
  --fg: #ffffff;
  --neon1: #00eaff;
  --neon2: #ff2ef7;
  --card: rgba(255,255,255,0.06);
  --blur: blur(14px);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
}

/* ========== NAVBAR ========== */

nav {
  width: 100%;
  padding: 20px 40px;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

nav .logo {
  font-size: 26px;
  font-weight: 900;
  color: var(--neon1);
  text-shadow: 0 0 12px var(--neon1);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

nav ul li a {
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  transition: 0.2s;
}

nav ul li a:hover {
  color: var(--neon2);
  text-shadow: 0 0 8px var(--neon2);
}

/* ========== HERO SECTION ========== */

.hero {
  padding-top: 180px;
  text-align: center;
}

.hero h1 {
  font-size: 64px;
  font-weight: 900;
  background: linear-gradient(90deg, var(--neon1), var(--neon2));
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 0 10px rgba(255,255,255,0.2);
}

.hero p {
  font-size: 20px;
  opacity: 0.85;
  max-width: 700px;
  margin: 20px auto;
}

/* ========== CARD GRID ========== */

.section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 20px;
}

.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}

.card {
  width: 300px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 20px;
  backdrop-filter: var(--blur);
  transition: 0.25s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 34px rgba(0,0,0,0.5);
  border-color: var(--neon1);
}

/* ========== FOOTER ========== */

footer {
  text-align: center;
  padding: 40px;
  opacity: 0.7;
}