:root{
  --bg: #07070b;
  --text: rgba(255,255,255,0.90);
  --muted: rgba(255,255,255,0.66);
  --header-bg: #000000;
  --violet: #7c3aed;
  --violet-dark: #6d28d9;
  --gray-dark: #1f2937;
  --gray-med: #374151;
  --gray-light: #9ca3af;
}

*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0 auto;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

header{
  position: sticky;
  z-index: 999;
  background: var(--header-bg);
  width: 100%;
  height: 80px;
  display: block;
}

nav{
  width:100%;
  padding: 1rem 5%;
  border-bottom: 1px solid var(--gray-dark);
  backdrop-filter: blur(15px);
  margin-bottom: 2rem;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo{
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--violet);
  letter-spacing: 1px;
}

.nav-links{
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links li a {
    position:relative;
    font-size: 1.05rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text);
    transition: 0.3s;
}

.nav-links li a:hover{
    color: var(--violet);
    text-shadow: 0 0 10px var(--violet-dark);
}

.btns {
    display: flex;

}

.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    background: var(--violet);
    color: var(--text);
    box-shadow: 0 0 15px var(--violet-dark);
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background: var(--violet-dark);
    box-shadow: 0 0 20px var(--violet-dark);
}

.content{
  background-image: url(img/jap-bag.webp);
  background-color: #000000;
  height: 1024px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 auto;
  padding: 2rem;
}

.content div{
    display: flex;
    text-align: center;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.section{
  padding: 6rem 8%;
}

.section h2{
  font-size: 2rem;
  margin-bottom: 1rem;
  color: white;
}

.hero-section{
  min-height: 100vh;
  background:
    linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.65)),
    url("img/jap-bag.webp") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-content h1{
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: 1rem;
}

.hero-content p{
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 2rem;
}

.cards{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover{
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(124,58,237,0.25);
}

.footer{
  border-top: 1px solid var(--gray-dark);
  padding: 2rem 8%;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 768px){
  .nav-links{
    display: none;
  }

  .logo{
    font-size: 1.2rem;
  }

  .section{
    padding: 4rem 6%;
  }

  .hero-content h1{
    font-size: 2.5rem;
  }
}