/* ============================= */
/* RESET & GLOBAL STYLES         */
/* ============================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: #f0f8ff;
  color: #000;
  scroll-behavior: smooth;
}

/* ============================= */
/* HEADER & NAVBAR               */
/* ============================= */
header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background: linear-gradient(90deg,#1e3c72,#3a6ea5);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  min-height: 90px;
}

header img.logo {
  max-height: 70px;
  width: auto;
}

.navbar {
  display: flex;
  gap: 25px;
  align-items: center;
}

.navbar a {
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.navbar a:hover {
  color: #ffdd57;
}

/* Hamburger button */
#menu-toggle {
  display: none;
  font-size: 2rem;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}

/* ============================= */
/* HERO SECTION                  */
/* ============================= */
.hero {
  text-align: center;
  padding: 200px 20px 80px 20px;
  background: linear-gradient(180deg,#3a6ea5,#1e3c72);
  color: #fff;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: auto;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

/* ============================= */
/* BUTTONS                        */
/* ============================= */
.btn {
  padding: 12px 28px;
  background: #1e3c72;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn:hover {
  background: #ffdd57;
  color: #000;
}

.social-icon {
  width: 20px;
  height: 20px;
}

/* ============================= */
/* SECTIONS & CONTAINER           */
/* ============================= */
section {
  padding: 140px 20px 60px 20px;
}

.container {
  max-width: 1200px;
  margin: auto;
}

/* ============================= */
/* FLEX CARDS                     */
/* ============================= */
.flex {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.card {
  background: #e6f0fa;
  color: #000;
  padding: 25px;
  flex: 1 1 280px;
  text-align: center;
  border-radius: 12px;
  transition: 0.3s;
  opacity: 0;
  transform: translateY(30px);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.hover-zoom {
  transition: transform 0.3s ease;
}

.hover-zoom:hover {
  transform: scale(1.05);
}

/* ============================= */
/* FORM STYLES                    */
/* ============================= */
form input, form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #000;
  background: #fff;
  color: #000;
}

form input::placeholder, form textarea::placeholder {
  color: #666;
}

form button {
  width: auto;
  display: block;
  margin: auto;
}

/* ============================= */
/* FOOTER                         */
/* ============================= */
footer {
  background: linear-gradient(90deg,#1e3c72,#3a6ea5);
  text-align: center;
  padding: 25px 0;
  color: #fff;
}

/* ============================= */
/* FLOATING CTA                   */
/* ============================= */
.floating-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #ffdd57;
  color: #000;
  padding: 15px 25px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  transition: 0.3s;
  z-index: 1001;
}

.floating-cta:hover {
  background: #1e3c72;
  color: #fff;
}

/* ============================= */
/* CHIFFRES                        */
/* ============================= */
#chiffres .flex {
  gap: 30px;
  justify-content: center;
  text-align: center;
}

#chiffres .card h3 {
  font-size: 2.5rem;
  color: #1e3c72;
}

#chiffres .card p {
  margin-top: 5px;
  font-weight: 600;
}

/* ============================= */
/* ANIMATION AU SCROLL             */
/* ============================= */
.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* ============================= */
/* RESPONSIVE DESIGN              */
/* ============================= */
@media(max-width:768px){
  header {
    flex-direction: row;
    justify-content: space-between;
    padding: 10px 15px;
  }

  #menu-toggle {
    display: block;
  }

  .navbar {
    display: none;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    margin-top: 10px;
    background: linear-gradient(180deg,#3a6ea5,#1e3c72);
    padding: 15px 0;
    border-radius: 8px;
  }

  .navbar.active {
    display: flex;
  }

  .navbar a {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px 0;
    font-size: 1rem;
  }

  .flex {
    flex-direction: column;
  }

  .hero h1 {font-size: 2.5rem;}
  .hero p {font-size: 1rem;}
  #chiffres .flex {flex-direction: column; gap: 20px;}
}