/* === Thème général NOVA === */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
  --nova-bg: #0a0c1b;
  --nova-accent: #4c5bff;
  --nova-accent-2: #9f53ff;
  --nova-text: #eaeaff;
  --nova-light: rgba(255, 255, 255, 0.1);
  --nova-blur: blur(15px);
  --transition: 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: radial-gradient(circle at top, #14162b, #070716);
  color: var(--nova-text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === Loader === */
#loader {
  position: fixed;
  inset: 0;
  background: var(--nova-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition);
}

#loader h1 {
  font-size: 2.5rem;
  background: linear-gradient(90deg, var(--nova-accent), var(--nova-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 3px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* === Header === */
header {
  position: sticky;
  top: 0;
  backdrop-filter: var(--nova-blur);
  background: rgba(15, 15, 35, 0.7);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  border-bottom: 1px solid var(--nova-light);
}

header h1 {
  font-size: 1.5rem;
  background: linear-gradient(90deg, var(--nova-accent), var(--nova-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
  font-weight: 600;
}

nav {
  display: flex;
  gap: 1.2rem;
}

nav a {
  color: var(--nova-text);
  text-decoration: none;
  font-weight: 400;
  position: relative;
  transition: var(--transition);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--nova-accent), var(--nova-accent-2));
  transition: var(--transition);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

/* === Burger menu === */
.burger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.burger div {
  width: 25px;
  height: 3px;
  background: var(--nova-text);
  border-radius: 3px;
  transition: var(--transition);
}

.toggle div:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.toggle div:nth-child(2) {
  opacity: 0;
}
.toggle div:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
  nav {
    position: absolute;
    top: 70px;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 30, 0.95);
    backdrop-filter: var(--nova-blur);
    padding: 1.5rem;
    border-radius: 1rem 0 0 1rem;
    display: none;
  }
  nav.nav-active {
    display: flex;
  }
  .burger {
    display: flex;
  }
}

/* === Main / Hero Section === */
main {
  padding: 2rem 5%;
}

.hero {
  text-align: center;
  margin-bottom: 3rem;
}

.hero h2 {
  font-size: 2.2rem;
  background: linear-gradient(90deg, var(--nova-accent), var(--nova-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  max-width: 700px;
  margin: 1rem auto;
  color: #c9c9ff;
  line-height: 1.6;
}

/* === Staff Cards === */
.staff-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  justify-content: center;
}

.staff-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--nova-light);
  border-radius: 15px;
  padding: 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  backdrop-filter: var(--nova-blur);
}

.staff-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 20px rgba(76, 91, 255, 0.3);
}

.staff-pdp img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 2px solid var(--nova-accent);
  object-fit: cover;
  margin-bottom: 1rem;
}

.staff-card h3 {
  color: var(--nova-accent-2);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.staff-card p {
  color: #ccc;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* === Règlement / Services Cards === */
.rules article, .service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--nova-light);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  backdrop-filter: var(--nova-blur);
  transition: var(--transition);
}

.rules article:hover, .service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 15px rgba(159, 83, 255, 0.3);
}

.rules h3, .service-card h3 {
  background: linear-gradient(90deg, var(--nova-accent), var(--nova-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.rules p, .service-card p {
  color: #cfcfff;
  line-height: 1.6;
}

/* === CTA Button === */
.btn {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.8rem 1.8rem;
  background: linear-gradient(90deg, var(--nova-accent), var(--nova-accent-2));
  color: white;
  border-radius: 2rem;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px var(--nova-accent-2);
}

/* === Footer === */
footer {
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #aaa;
  border-top: 1px solid var(--nova-light);
}