/* ========== RESET / GLOBAL ========== */
* { box-sizing: border-box; }
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: #f3f4ff;
    overflow-x: hidden;
}

html { scroll-behavior: smooth; }

/* Layout pour que le footer reste toujours collé en bas */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;   /* hauteur minimum = hauteur écran */
}

main {
    flex: 1;  /* prend tout l’espace disponible */
}


/* ========== HEADER STICKY ========== */
.exemple-header {
    position: sticky;
    top: 0;
    z-index: 99999;

    display: grid;
    grid-template-columns: 1fr 7fr;
    align-items: center;

    height: 120px;
    padding: 0 24px;
    gap: 16px;

    background: #f3f4ff;
    box-shadow: 0 5px 18px rgb(0, 0, 0);
}

/* Left (video) */
.header-left {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 6px;
}

.logo-link {
    display: inline-block;
    width: 110px;
    height: 90px;
}

.logo-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    cursor: pointer;
    transition: transform 0.2s ease;
}
.logo-link:hover .logo-video {
    transform: scale(1.1);
}

/* Right section */
.header-right {
    display: flex;
    align-items: center;
    justify-content: center;
}
.project-title {
    margin: 0;
    color: #000000;
    font-size: 86px;
    font-weight: 700;
    text-align: center;
}

/* 📌 TABLETTES — écran < 992px */
@media (max-width: 992px) {
    .exemple-header {
        grid-template-columns: 1fr 3fr; /* Réduit la largeur du titre */
        height: 100px;
        padding: 0 16px;
    }

    .project-title {
        font-size: 56px; /* Titre plus petit mais toujours large */
    }

    .logo-link {
        width: 90px;
        height: 70px;
    }
}


/* 📌 MOBILES — écran < 768px */
@media (max-width: 768px) {
    .exemple-header {
        grid-template-columns: 1fr;     /* Empile tout */
        height: auto;
        padding: 12px 16px;
        text-align: center;
        gap: 8px;
    }

    .header-left, .header-right {
        justify-content: center;
        padding: 0;
    }

    .logo-link {
        width: 80px;
        height: 65px;
    }

    .project-title {
        font-size: 40px;
        line-height: 1.1;
    }
}


/* 📌 PETITS MOBILES — écran < 480px */
@media (max-width: 480px) {
    .project-title {
        font-size: 30px;
    }

    .logo-link {
        width: 65px;
        height: 55px;
    }

    .exemple-header {
        padding: 10px 12px;
    }
}


/* ========== MAIN LAYOUT (1/3 - 2/3) ========== */
.projet-layout {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 2fr;  
    gap: 60px;
    padding: 30px;
    font-size: 22px;
}

/* TEXTE */
.projet-intro { text-align: center; margin-bottom: 40px; }
.projet-title { font-size: 3rem; margin: 0 0 12px; color: #1e0101; }
.projet-desc { max-width: 900px; margin: 0 auto 32px; color: #1e0101; opacity: .85; }

/* ========== SLIDER DYNAMIQUE — SCROLL-SNAP ========== */

/* ========== SLIDER DYNAMIQUE — SCROLL-SNAP ========== */

.slider-dyn {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: #f3f4ff;
}

/* Ligne de slides défilants */
.slider-dyn .slides {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.slider-dyn .slides::-webkit-scrollbar {
  display: none;
}

/* Chaque slide */
.slider-dyn .img {
  flex: 0 0 100%;
  min-height: 420px;
  scroll-snap-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  
  /* IMPORTANT: empêche vidéo de dépasser */
  position: relative;
  overflow: hidden;
}

/* === IMAGES === */
.slider-dyn .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}

/* === VIDEOS === */
.slider-dyn .img video {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;

  /* garder le vrai format, sans crop */
  object-fit: contain;

  /* centrer parfaitement dans le slide */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  background: #000; /* fond propre derrière vidéo */
  border-radius: 10px;
}

/* FLECHES */
.slider-dyn .nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  background: rgba(0,0,0,0.48);
  color: #fff;
  font-size: 34px;
  line-height: 1;
  padding: 8px 14px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
}
.slider-dyn .left { left: 12px; }
.slider-dyn .right { right: 12px; }

.slider-dyn .nav:active {
  transform: translateY(-50%) scale(.96);
}

/* Responsive */
@media (max-width: 900px) {
  .slider-dyn .img {
    min-height: 300px;
  }
}


/* ========== INFO TECHNIQUES ========== */
.projet-info {
    margin-top: 0px;
    padding: 26px;
    background: #000000e5;
    border-radius: 10px;
    color: #f3f4ff;
}
.projet-info h3 { margin: 0 0 12px; }
.projet-info ul { list-style: none; padding: 0; margin: 0; }
.projet-info li { margin-bottom: 8px; }

/* FOOTER */
.footer-min {
    width: 100%;
    height: 56px;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.footer-text { color: #f3f4ff; margin: 0; }
.back-to-top { position: absolute; right: 20px; bottom: 20px; color: #fff; text-decoration: none; }

/* ===== RESPONSIVE — mobile ===== */
@media (max-width: 900px) {

  /* Passe le layout en une seule colonne */
  .projet-layout {
    grid-template-columns: 1fr;      /* 1 colonne */
    gap: 30px;                       /* espace propre */
  }

  /* Le texte passe en premier */
  .projet-col-left {
    order: 1;
  }

  /* Le slider passe juste après */
  .right-column {
    order: 2;
  }
}