* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f6f4f1;
  color: #1f2933;
  line-height: 1.7;
}

/* STRUCTURE */

.container {
  max-width: 1100px;
  margin: auto;
  padding: 60px 20px;
}

h1, h2, h3 {
  color: #111;
}

h2 {
  margin-top: 0;
  font-size: 2em;
}

/* HEADER */

header {
  background: rgba(246,244,241,0.95);
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
}

nav a:hover {
  color: #c47a1c;
}

.nav-btn {
  border: 2px solid #c47a1c;
  padding: 6px 14px;
  border-radius: 20px;
}

/* HERO */

.hero {
  background:
    linear-gradient(rgba(246,244,241,0.85), rgba(246,244,241,0.95)),
    url("images/hero-orchestre.jpg") center/cover no-repeat;
  text-align: center;
}

.hero-content {
  padding: 110px 20px;
}

.hero h2 {
  font-size: 2.4em;
  max-width: 900px;
  margin: auto;
}

/* HERO plus petit pour pages internes */

.hero-small .hero-content {
  padding: 70px 20px;
}

.hero-small h2 {
  font-size: 2em;
}


.hero p {
  max-width: 750px;
  margin: 25px auto;
  font-size: 1.1em;
  color: #444;
}

.hero-actions {
  margin-top: 30px;
}

/* BOUTONS */

.btn, .btn-outline {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 25px;
  text-decoration: none;
  margin: 5px 10px;
  transition: 0.2s;
}

.btn {
  background: #c47a1c;
  color: white;
}

.btn:hover {
  background: #a76416;
}

.btn-outline {
  border: 2px solid #c47a1c;
  color: #c47a1c;
}

.btn-outline:hover {
  background: #c47a1c;
  color: white;
}

/* SECTIONS */

.alt {
  background: #ebe7e1;
}

.presentation p {
  max-width: 800px;
}

/* PROJETS */

.projets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 30px;
  margin-top: 40px;
}

.projet-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
  transition: transform .2s;
}

.projet-card:hover {
  transform: translateY(-6px);
}

.projet-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.projet-card h3 {
  margin: 18px 18px 5px;
}

.projet-card p {
  margin: 0 18px 20px;
  color: #555;
}

.projets-note {
  max-width: 800px;
  margin: 40px auto 0;
  color: #444;
  text-align: center;
}

/* VIDEOS */

/* LAYOUT VIDEOS EN DEUX COLONNES */

.videos-layout {
  display: flex;
  gap: 50px;
  align-items: flex-start;
  margin-top: 40px;
}

.videos-text {
  flex: 1;
}

.video-desc {
  margin-bottom: 60px;
}

.videos-column {
  width: 360px;
  flex-shrink: 0;
}

.video-small {
  margin-bottom: 35px;
}

.video-small iframe {
  width: 100%;
  height: 200px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}


/* VIDEOS — ALIGNEMENT TEXTE ↔ VIDEO */

.video-item {
  display: flex;
  gap: 40px;
  align-items: center;
  margin: 60px 0;
}

.video-text {
  flex: 1;
}

.video-box {
  width: 360px;
  flex-shrink: 0;
}

.video-box iframe {
  width: 100%;
  height: 200px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

/* MOBILE */

@media (max-width: 900px) {
  .video-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .video-box {
    width: 100%;
  }

  .video-box iframe {
    height: 240px;
  }
}



/* MOBILE */

@media (max-width: 900px) {
  .videos-layout {
    flex-direction: column;
  }

  .videos-column {
    width: 100%;
  }

  .video-small iframe {
    height: 240px;
  }
}


.video {
  max-width: 850px;
  margin: 25px auto 60px;
}

.video iframe {
  width: 100%;
  height: 460px;
  border: none;
  border-radius: 12px;
}

/* CONTACT */

.contact-box {
  text-align: center;
}

.contact-email a {
  font-size: 1.3em;
  color: #c47a1c;
  text-decoration: none;
}

/* FOOTER */

footer {
  background: #222;
  color: #eee;
  text-align: center;
}

.video-row {
  display: flex;
  gap: 30px;
  align-items: center;
  margin: 50px 0;
}

.video-text {
  flex: 1;
}

.video-small {
  width: 360px;
  flex-shrink: 0;
}

.video-small iframe {
  width: 100%;
  height: 200px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

/* mobile */

@media (max-width: 800px) {
  .video-row {
    flex-direction: column;
  }

  .video-small {
    width: 100%;
  }

  .video-small iframe {
    height: 240px;
  }
}

/*  photo zoomable */
.zoomable {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.zoomable:hover {
  transform: scale(1.03);
}

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

#lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
}