:root {
  --accent: #C5BF65;  
    --nav-h: 64px;
    }
body {
  font-family: 'Be Vietnam Pro', sans-serif;
  margin: 0;
  min-height: 100vh;
  color: #fff;
  position: relative;
  overflow-x: hidden;

  background-image: url('img/nen16.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

body::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(23,23,22,0.4), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  animation: spotlightMove 15s ease-in-out infinite alternate;
}
body::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255,215,102,0.15), rgba(0,0,0,0.7) 80%);
  mix-blend-mode: overlay;
  filter: blur(80px);
  pointer-events: none;
  animation: spotlightMove 20s ease-in-out infinite alternate-reverse;
}
@keyframes spotlightMove {
  0% { background-position: 40% 20%; }
  100% { background-position: 60% 25%; }
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  position: relative;
  z-index: 1;
  padding-bottom: 3rem;
}

header.hero {
  text-align: center;
  padding: 3rem 1rem;
  background: linear-gradient(to bottom, rgba(30,15,15,0.8), rgba(60,20,20,0.6));
  border-bottom-left-radius: 50% 20%;
  border-bottom-right-radius: 50% 20%;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  backdrop-filter: blur(4px);
}

header h1 {
  font-size: 3rem;
  font-weight: 900;
  margin: 0;
  color: #ffd27f;
  text-shadow: 0 0 12px rgba(255,215,102,0.7);
    margin : 20px;

}

header p {
  font-size: 1.2rem;
  font-weight: 500;
  margin-top: 0.5rem;
  color: #ffeebc;
  opacity: 0.95;
}

.intro-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin: 0 24px;
}

.card {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: rgba(20,10,10,0.85); 
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #fff;
  min-height: 320px;
  transition: transform 0.4s, background 0.4s;
}

.card:hover {
  transform: translateY(-8px);
  background: rgba(30,15,15,0.95);
}

.card-img {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s, filter 0.5s;
}

.card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), rgba(0,0,0,0.05));
  pointer-events: none;
  transition: background 0.4s;
}

.card:hover .card-img img {
  transform: scale(1.08);
  filter: brightness(1.1) contrast(1.05);
}
.card:hover .card-img::after {
  background: linear-gradient(to top, rgba(0,0,0,0.3), rgba(0,0,0,0));
}

.card h3 {
  margin: 0.5rem 1rem 0.25rem 1rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffd27f;
  transition: color 0.4s, text-shadow 0.4s;
}

.card:hover h3 {
  color: #fff2b8;
  text-shadow: 0 0 10px #ffd27f, 0 0 20px #ffb84d;
}

.card p {
  margin: 0 1rem 1rem 1rem;
  font-size: 1rem;
  line-height: 1.4;
  color: #ffeebc;
}

@media (max-width: 600px) {
  .card { min-height: 280px; }
  .card-img { height: 160px; }
  .card h3 { font-size: 1.15rem; }
  .card p { font-size: 0.9rem; }
  header h1 { font-size: 2rem; }
  header p { font-size: 1rem; }
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar ul {
  display: flex;
  gap: 26px;
  list-style: none;
}

.navbar a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  padding: 6px 10px;
  border-radius: 8px;
}

.navbar a:hover,
.navbar a.active {
  background: rgba(197,191,101,0.12);
  color: #fff;
}