:root {
  --mwasi-black: #121212;
  --mwasi-ochre: #E9A139;
  --mwasi-cream: #F9F7F2;
  --white: #ffffff;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --header-height: 80px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background-color: var(--mwasi-cream); color: var(--mwasi-black); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.main-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 0 5%; 
  height: var(--header-height);
  position: fixed; 
  width: 100%; 
  top: 0; 
  background: rgba(249, 247, 242, 0.95); 
  backdrop-filter: blur(15px); 
  z-index: 1000; 
  border-bottom: 1px solid rgba(0,0,0,0.05); 
}
.logo { font-weight: 900; font-size: 1.2rem; text-transform: uppercase; z-index: 1100; }

nav ul { display: flex; list-style: none; gap: 20px; }
nav a { text-decoration: none; color: var(--mwasi-black); font-weight: 600; font-size: 0.85rem; }

.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1100;
}
.burger-menu span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--mwasi-black);
  transition: var(--transition);
}

.header-actions { display: flex; align-items: center; gap: 15px; z-index: 1100; }
.btn-nav { background: var(--mwasi-black); color: white; padding: 10px 18px; border-radius: 5px; text-decoration: none; font-weight: bold; font-size: 0.8rem; }

.hero { 
  height: 100vh; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  text-align: center; 
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('photo acceuil site web mwasi.jpeg'); 
  background-size: cover; 
  background-position: center; 
  color: white; 
  padding: var(--header-height) 5% 0; 
}
.hero h1 { font-size: clamp(2.2rem, 8vw, 4.5rem); font-weight: 900; line-height: 1.1; margin-bottom: 20px; text-transform: uppercase; }
.cta-group { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.btn-primary, .btn-secondary { padding: 16px 35px; text-decoration: none; font-weight: 800; border-radius: 50px; transition: var(--transition); border: none; cursor: pointer; }
.btn-primary { background: var(--mwasi-ochre); color: white; }
.btn-secondary { border: 2px solid white; color: white; background: transparent; }

.about-section, .projects-section, .events-section, .newsletter-section { padding: 100px 0; }
h2 { font-size: clamp(1.8rem, 5vw, 2.5rem); text-align: center; margin-bottom: 40px; text-transform: uppercase; font-weight: 900; }

.about-lead { max-width: 900px; margin: 0 auto 80px; font-size: clamp(1.1rem, 3vw, 1.4rem); text-align: center; font-weight: 500; }
.values-grid { display: flex; justify-content: center; gap: 80px; flex-wrap: wrap; text-align: center; }
.value-icon { font-size: 3.5rem; display: block; margin-bottom: 20px; }
.value-item h3 { color: var(--mwasi-ochre); text-transform: uppercase; letter-spacing: 2px; }

.projects-grid, .events-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.project-card, .event-card { background: white; border-radius: 15px; overflow: hidden; border: 1px solid rgba(0,0,0,0.05); }
img { width: 100%; height: 280px; object-fit: cover; display: block; }
.project-card-content, .event-card-content { padding: 30px; }

.newsletter-box { background: var(--mwasi-black); color: white; padding: 60px 20px; border-radius: 30px; text-align: center; max-width: 950px; margin: 0 auto; }
.newsletter-form { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; margin-top: 35px; }
.newsletter-form input { padding: 18px 30px; border-radius: 50px; border: none; width: 100%; max-width: 380px; }

.main-footer { background: var(--mwasi-black); color: white; padding: 80px 0 20px; }
.footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 50px; }
.footer-links h4 { color: var(--mwasi-ochre); margin-bottom: 20px; text-transform: uppercase; }
.footer-bottom { padding-top: 20px; text-align: center; font-size: 0.75rem; opacity: 0.5; }

@media (max-width: 992px) {
  .burger-menu { display: flex; }
  nav.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--mwasi-cream);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    z-index: 1050;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
  }
  nav.nav-menu.active { right: 0; }
  nav.nav-menu ul { flex-direction: column; align-items: center; gap: 30px; }
  nav.nav-menu a { font-size: 1.2rem; }
  .burger-menu.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .burger-menu.active span:nth-child(2) { opacity: 0; }
  .burger-menu.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }
  .hero { padding-top: 150px; }
  .values-grid { gap: 40px; }
}