body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #0f0f12;
  color: #eeeeee;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: #1a1a1d;
  padding: 15px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  flex-wrap: wrap;
}

header img {
  height: 60px;
  max-width: 100%;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

nav ul li a {
  text-decoration: none;
  color: #ff2b4e;
  font-weight: bold;
  font-size: 16px;
  transition: color 0.2s;
}

nav ul li a:hover {
  color: #ff5f7a;
}

.banner-row {
  text-align: center;
  padding: 30px 0;
  background: #131316;
}

.banner-wrapper {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.banner-wrapper img {
  width: 85%;
  max-width: 1000px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(255, 43, 78, 0.2);
}

.main-container {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
}

.sidebar {
  background: #19191d;
  width: 260px;
  padding: 20px;
  border-left: 1px solid #2a2a2d;
  box-shadow: inset 2px 0 4px rgba(255, 43, 78, 0.05);
  flex-shrink: 0;
}

.sidebar h3 {
  color: #ff2b4e;
  margin-top: 0;
}

.download-box {
  background: #2a1b1e;
  border: 1px solid #ff2b4e;
  padding: 15px;
  text-align: center;
  border-radius: 8px;
}

.download-box a {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 20px;
  background: #ff2b4e;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.2s;
}

.download-box a:hover {
  background: #ff516e;
}

main {
  flex: 1;
  padding: 40px 30px;
  background: #141417;
}

main h2 {
  color: #ff2b4e;
  margin-bottom: 10px;
}

main ul {
  padding-left: 20px;
}

main li {
  margin-bottom: 8px;
}

main p {
  line-height: 1.6;
  font-size: 16px;
  margin-bottom: 20px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #1a1a1d;
  color: #aaaaaa;
  font-size: 14px;
}

/* ================== RESPONSIVE ================== */

@media (max-width: 1024px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    justify-content: flex-start;
    gap: 15px;
  }

  .main-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-left: none;
    border-top: 1px solid #2a2a2d;
    margin-top: 20px;
  }

  main {
    padding: 30px 20px;
  }
}

@media (max-width: 768px) {
  header {
    padding: 10px 15px;
  }

  header img {
    height: 50px;
  }

  nav ul {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-top: 10px;
  }

  nav ul li a {
    font-size: 15px;
  }

  .banner-wrapper img {
    width: 95%;
  }

  main p {
    font-size: 15px;
  }

  footer {
    font-size: 13px;
  }
}