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

body {
  background: #000;
  color: #fff;
  min-height: 100vh;
}

/* ---------- Top Navigation ---------- */

.topbar {
  padding: 20px 50px;
}

.topbar nav {
  display: flex;
  justify-content: flex-end;
  gap: 30px;
}

.topbar a {
  color: #7CFF00;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.topbar a:hover {
  text-decoration: underline;
}

/* ---------- Hero Section ---------- */

.hero {
  display: flex;
  align-items: center;
  padding: 60px 70px;
  gap: 40px;
}

/* Left */

.hero-left {
  width: 60%;
}

.hero-left h1 {
  font-size: 64px;
  line-height: 1.15;
}

.green {
  color: #7CFF00;
}

.search-box {
  margin-top: 35px;
}

.search-box input {
  width: 65%;
  padding: 15px 22px;
  font-size: 16px;
  border-radius: 30px;
  border: none;
  outline: none;
}

/* Right (Video) */

.hero-right {
  width: 40%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(124, 255, 0, 0.35);
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding: 40px 30px;
  }

  .hero-left,
  .hero-right {
    width: 100%;
  }

  .hero-left h1 {
    font-size: 44px;
  }

  .search-box input {
    width: 100%;
  }
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

/*
.card {
  background: #111;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
*/

.card {
  background: #111;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  text-align: center;
  box-shadow: inset 0 -5px 15px rgba(0,0,0,0.5); /* soft inner shadow */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h3 {
  color: #7CFF00;
  padding: 15px;
}

.card p {
  padding: 0 15px 20px;
  color: #ccc;
}

/*
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 25px rgba(124,255,0,0.25);
}
*/
.card:hover {
  transform: translateY(-5px);
  box-shadow: inset 0 -5px 15px rgba(0,0,0,0.5), 0 8px 20px rgba(124,255,0,0.2);
}