:root {
  --blue: #0a1aff;
  --dark-blue: #020b2b;
  --black: #000;
  --white: #fff;
  --gray: #141414;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background: var(--black);
  color: var(--white);
}

/* HEADER */
.header {
  background: linear-gradient(90deg, var(--black), var(--dark-blue));
  padding: 15px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--blue);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 45px;
}

.header a {
  color: var(--white);
  text-decoration: none;
  margin-left: 15px;
  font-weight: bold;
}

.header a:hover {
  color: var(--blue);
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 25px;
  background: linear-gradient(135deg, var(--black), var(--dark-blue));
  margin: 20px;
  border-radius: 12px;
  border: 1px solid var(--blue);
}

.hero-img {
  width: 100%;
  height: 320px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--blue);
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* BUTTON */
.btn {
  margin-top: 15px;
  padding: 10px 15px;
  border: 2px solid var(--blue);
  color: var(--blue);
  text-decoration: none;
  width: fit-content;
  border-radius: 6px;
}

.btn:hover {
  background: var(--blue);
  color: var(--white);
}

/* BLOCKS */
.block {
  background: var(--gray);
  margin: 20px;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--blue);
}

.block h2 {
  color: var(--blue);
  margin-bottom: 15px;
}

/* CARDS */
.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.card {
  background: linear-gradient(160deg, var(--black), var(--dark-blue));
  padding: 10px;
  border-radius: 10px;
  flex: 1 1 300px;
  text-align: center;
  border: 1px solid var(--blue);
}

.card-img {
  width: 100%;
  height: 230px;
  background: black;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 10px;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  border: 1px solid var(--blue);
  padding: 10px;
  text-align: center;
}

th {
  background: var(--dark-blue);
  color: var(--blue);
}

/* GALLERY */
.gallery {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.gallery img {
  width: calc(33.333% - 15px);
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid var(--blue);
}

/* FOOTER */
.footer {
  background: linear-gradient(90deg, var(--black), var(--dark-blue));
  text-align: center;
  padding: 20px;
  border-top: 2px solid var(--blue);
  margin-top: 30px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .gallery img {
    width: calc(50% - 15px);
  }
}

@media (max-width: 600px) {
  .gallery img {
    width: 100%;
  }

  .header {
    flex-direction: column;
    gap: 10px;
  }
}