/*==========================
  Variables & Reset
==========================*/
:root {
    --bg-dark: #2C2F33;
    --bg-darker: #23272A;
    --bg-light: #36393f;
    --text-light: #FFFFFF;
    --text-muted: #b9bbbe;
    --primary-red: #E53935;
    --secondary-yellow: #FFC107;
    --hover-bg: #40444b;
    --border-color: #4f545c;
    --font-family: 'Poppins', sans-serif;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  /*==========================
    Typography
  ==========================*/
  h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-light);
  }
  
  h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-red);
    display: inline-block;
    padding-bottom: 0.3rem;
  }
  
  h3 {
    font-size: 1.3rem;
    color: var(--secondary-yellow);
  }
  
  p {
    margin-bottom: 1rem;
    color: var(--text-muted);
  }
  
  a {
    color: var(--secondary-yellow);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  a:hover {
    color: var(--primary-red);
  }
  
  /*==========================
    Layout & Sections
  ==========================*/
  .app-container {
    width: 100vw;
    min-height: 100vh;
  }
  
  .content {
    margin-top: 20px;
    background-color: var(--bg-dark);
    overflow-y: visible;
    height: auto;
    padding: 0 3rem;
  }
  
  section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
    scroll-margin-top: 100px;
  }
  
  section:first-of-type {
    padding-top: 0;
  }
  
  section:last-of-type {
    border-bottom: none;
    padding-bottom: 5rem;
  }
  
  /*==========================
    Hero
  ==========================*/
  .hero {
    text-align: center;
    background-color: var(--bg-light);
    color: var(--text-light);
    padding: 4rem 1rem;
    border-radius: 8px;
    overflow: hidden;
  }
  
  .slogan {
    font-size: 2.5rem;
  }
  
  /*==========================
    Buttons
  ==========================*/
  .cta-button {
    display: inline-block;
    background-color: var(--primary-red);
    color: var(--text-light);
    padding: 0.8rem 1.8rem;
    border-radius: 25px;
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 1.5rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
  }
  
  .cta-button:hover {
    background-color: #c0302c;
    transform: translateY(-2px);
  }
  
  .cta-button.large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
  }
  
  /*==========================
    Presentation
  ==========================*/
  .presentation-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    margin-top: 1.5rem;
  }
  
  .presentation-text {
    flex: 2;
    min-width: 280px;
  }
  
  .presentation-text li::before {
    content: '✓';
    color: var(--secondary-yellow);
  }
  
  .presentation-visual {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .presentation-visual img,
  .presentation-visual svg {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
  }
  
  /*==========================
    Gallery
  ==========================*/
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
  }
  
  .gallery-item img,
  .gallery-item svg {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
  }
  
  /*==========================
    Vision & Testimonials
  ==========================*/
  .vision-cards,
  .testimonials {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
  }
  
  .vision-cards {
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  }
  
  .card {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 5px solid var(--primary-red);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .card:nth-child(2) { border-left-color: var(--secondary-yellow); }
  .card:nth-child(3) { border-left-color: #6c757d; }
  .card:nth-child(4) { border-left-color: #17a2b8; }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  }
  
  .testimonials {
    grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  }
  
  .testimonial {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 5px solid var(--secondary-yellow);
  }
  
  .testimonial blockquote {
    position: relative;
    padding-left: 1.5rem;
    font-style: italic;
    color: var(--text-muted);
  }
  
  .testimonial blockquote::before {
    content: '“';
    position: absolute;
    left: -0.2rem;
    top: -0.5rem;
    font-size: 3rem;
    color: var(--secondary-yellow);
    opacity: 0.5;
  }
  
  .testimonial cite {
    display: block;
    text-align: right;
    font-weight: 600;
    color: var(--text-light);
  }
  
  /*==========================
    Pricing
  ==========================*/
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
    gap: 2rem;
    margin-top: 2rem;
  }
  
  .pricing-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  }
  
  .pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
  }
  
  .pricing-header h3 { color: var(--text-light); }
  
  .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-red);
  }
  
  .pricing-body ul {
    list-style: none;
    padding: 0;
  }
  
  .pricing-body li {
    position: relative;
    padding-left: 1.8em;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
  }
  
  .pricing-body li::before {
    content: '✔';
    position: absolute;
    left: 0; top: 0;
    color: var(--secondary-yellow);
  }
  
  .pricing-button {
    margin-top: auto;
    padding: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    border: none;
    border-radius: 5px;
    background-color: var(--primary-red);
    color: var(--text-light);
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .pricing-button:hover {
    background-color: #c0302c;
  }
  
  .featured-tag {
    position: absolute;
    top: 10px;
    right: -35px;
    background-color: var(--secondary-yellow);
    color: var(--bg-darker);
    padding: 5px 30px;
    font-size: 0.8rem;
    font-weight: 700;
    transform: rotate(45deg);
  }
  
  .pricing-card.featured {
    border: 2px solid var(--secondary-yellow);
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.3);  /* ombre douce jaune */
  }
  
  .pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  }
  
  /*==========================
    Contact & Footer
  ==========================*/
  .contact-info {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 1.5rem 0 2rem;
  }
  
  .contact-info p {
    margin-bottom: 0.5rem;
  }
  
  .contact-info strong {
    color: var(--secondary-yellow);
  }
  
  footer {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 1000px;
    margin: 0 auto;
  }
  
/*==========================
  Navbar & Hamburger
==========================*/
.navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;           /* un peu plus fin */
    transition: background 0.3s;
    z-index: 1000;
  }
  ul {
    list-style: none;
  }
  .navbar:hover {
    background: var(--hover-bg);
  }
  
  .navbar .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .navbar .logo svg {
    width: 40px; height: 40px;
  }
  .navbar .logo h1 {
    font-size: 1.6rem;
    color: var(--text-light);
    margin: 0;
  }
  
  /* Hamburger button */
  .hamburger {
    display: none;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    z-index: 1001;
  }
  @media (max-width: 768px) {
    .hamburger {
      display: block;
    }
  }
  
  /*==========================
    Mobile Menu (Fullscreen)
  ==========================*/
  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--bg-darker);
    backdrop-filter: blur(4px);
    transform: translateY(-100%);
    transition: transform 0.4s ease;
    display: flex;
    flex-direction: column;
    padding: 4rem 2rem;
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  
  .nav-links ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
  }
  
  .nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    color: var(--text-light);
    padding: 0.5rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s;
  }
  .nav-links a::before {
    content: '▶';
    color: var(--primary-red);
    font-size: 0.9em;
  }
  .nav-links a:hover,
  .nav-links a.active {
    background: var(--bg-light);
  }
  
  /* Desktop override */
  @media (min-width: 769px) {
    .nav-links {
      position: static;
      transform: none;
      background: transparent;
      flex-direction: row;
      padding: 0;
      display: flex !important;
    }
    .nav-links ul {
      flex-direction: row;
      gap: 1rem;
      margin-top: 0;
    }
    .nav-links a {
      font-size: 1rem;
      padding: 0.5rem 1rem;
    }
  }
  
  /*==========================
    Logo Header (Background Flou)
  ==========================*/
  .logo-header {
    position: relative;
    width: 100%;
    height: 300px;
    margin-top: 80px;               /* décale sous la navbar */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  
  .logo-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('background.jpe') center/cover no-repeat;
    filter: blur(6px);
    transform: scale(1.05);
    z-index: 1;
  }
  
  .logo-header .main-logo {
    position: relative;
    z-index: 2;
    width: 300px;
    max-width: 80%;
    height: auto;
    display: block;
    transform: translateY(10px);    /* légère remontée visuelle */
  }