/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --charcoal:   #353535;
  --teal:       #3C6E71;
  --teal-dark:  #2f5759;
  --off-white:  #F0F0F0;
  --light-gray: #D9D9D9;
  --navy:       #284B63;
  --font-sans:  'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius:     8px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--charcoal);
  color: var(--off-white);
  line-height: 1.6;
}

/* ─── Typography ─── */
h1, h2, h3 { line-height: 1.2; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 0.5rem; }
h3 { font-size: 1.2rem; }
p  { color: var(--light-gray); }

a {
  color: var(--teal);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--off-white); }

/* ─── Layout helpers ─── */
.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--teal);
  border: none;
  margin: 1rem 0 2rem;
  border-radius: 2px;
}

/* ─── Navigation ─── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(53, 53, 53, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(60, 110, 113, 0.25);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1100px;
  margin-inline: auto;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: 0.02em;
}

.nav-logo span { color: var(--teal); }

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--light-gray);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--teal); }

/* ─── Hero ─── */
#accueil {
  min-height: 92vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 5rem 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(60,110,113,0.18) 0%, transparent 70%),
    var(--charcoal);
  position: relative;
  overflow: hidden;
}

#accueil::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(60,110,113,0.03) 40px,
    rgba(60,110,113,0.03) 80px
  );
  pointer-events: none;
}

.hero-content { position: relative; max-width: 780px; }

.hero-tag {
  display: inline-block;
  background: rgba(60,110,113,0.15);
  border: 1px solid rgba(60,110,113,0.4);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  color: var(--off-white);
  margin-bottom: 1rem;
}

.hero-title em {
  font-style: normal;
  color: var(--teal);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--light-gray);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: inline-flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--teal);
  color: var(--off-white);
}
.btn-primary:hover {
  background: var(--teal-dark);
  color: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(60,110,113,0.35);
}

.btn-outline {
  border: 1.5px solid var(--light-gray);
  color: var(--light-gray);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--off-white);
  color: var(--off-white);
  transform: translateY(-2px);
}

/* ─── Sections shared ─── */
section { padding: 6rem 1.5rem; }

/* ─── Europ'Raid ─── */
#europraid {
  background: var(--navy);
}

.europraid-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.europraid-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.fact-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.fact-card .fact-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--teal);
  display: block;
}

.fact-card .fact-label {
  font-size: 0.82rem;
  color: var(--light-gray);
  margin-top: 0.25rem;
}

.europraid-description h2 { color: var(--off-white); }
.europraid-description p  { margin-bottom: 1rem; }

/* ─── Équipe ─── */
#equipe {
  background: var(--charcoal);
}

.equipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.member-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2rem 1.5rem;
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.member-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.member-card:hover { transform: translateY(-4px); border-color: rgba(60,110,113,0.4); }
.member-card:hover::before { transform: scaleX(1); }

.member-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--navy));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--off-white);
  margin-bottom: 1.25rem;
}

.member-card h3 { color: var(--off-white); margin-bottom: 0.35rem; }
.member-card .member-role {
  font-size: 0.8rem;
  color: var(--teal);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

/* ─── Association ─── */
#association {
  background: linear-gradient(160deg, var(--navy) 0%, var(--charcoal) 100%);
}

.asso-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.asso-values {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.asso-values li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.asso-values li .value-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: rgba(60,110,113,0.2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-top: 2px;
}

.asso-values li .value-text strong {
  display: block;
  color: var(--off-white);
  font-size: 0.95rem;
}

.asso-values li .value-text span {
  color: var(--light-gray);
  font-size: 0.85rem;
}

.asso-info {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2rem;
}

.asso-info h3 { color: var(--off-white); margin-bottom: 1rem; }
.asso-info p  { margin-bottom: 0.85rem; }
.asso-info p:last-child { margin-bottom: 0; }

/* ─── Footer ─── */
footer {
  background: #1e1e1e;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 2.5rem 1.5rem;
  text-align: center;
}

footer .footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--off-white);
  margin-bottom: 0.5rem;
}
footer .footer-logo span { color: var(--teal); }

footer p {
  font-size: 0.85rem;
  color: #888;
  margin-top: 0.25rem;
}

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

  .europraid-grid,
  .asso-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .europraid-facts { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .europraid-facts { grid-template-columns: 1fr 1fr; }
}