.present {
  text-align: center;
}

.fleche-main {
  font-size: 100px;
  text-align: center;
  color: #f97316;
}

.logo-appfooter {
  font-size: 100px;
  border-radius: 100px;
  transition: transform 0.3s ease;
}

.space-appfooter {
  color: #000000;
}

:root {
      --bg: #0b0b0b;
      --card: #141414;
      --text: #f5f5f5;
      --accent: #f97316; /* orange */
      --muted: #a1a1aa;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: radial-gradient(circle at top, #1a1a1a, #000000);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

    header {
      padding: 7rem 1.5rem 5rem;
      text-align: center;
      animation: fadeUp 1s ease both;
    }

    header h1 {
      font-size: 3rem;
      margin-bottom: 0.5rem;
      text-align: center;
    }

    header p {
      color: var(--muted);
      max-width: 600px;
      margin: auto;
    }

    nav {
      margin-top: 0;
      position: fixed;
      top: 1.5rem;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(12px);
      padding: 0.6rem 1.2rem;
      border-radius: 999px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.4);
      z-index: 1000;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

    .logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    .logo-img {
      width: 28px;
      height: 28px;
      object-fit: contain;
      border-radius: 6px;
      transition: transform 0.3s ease;
    }

    .logo:hover .logo-img {
      transform: rotate(-5deg) scale(1.05);
    }

    .logo-name {
      font-size: 0.95rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
    }

    @keyframes pulse {
      0% { opacity: 0.6; }
      50% { opacity: 1; }
      100% { opacity: 0.6; }
    }

    nav a {
      color: var(--text);
      text-decoration: none;
      margin: 0 0.75rem;
      font-weight: 500;
      position: relative;
    }

    nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.3s ease;
    }

    nav a:hover::after {
      width: 100%;
    }

    section {
      animation: fadeUp 0.8s ease both;
      animation-timeline: view();
      animation-range: entry 0% cover 30%;

      max-width: 1000px;
      margin: 3rem auto;
      padding: 0 1.5rem;
    }

    h2 {
      font-size: 2rem;
      margin-bottom: 1rem;
      border-left: 4px solid var(--accent);
      padding-left: 0.75rem;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
    }

    .card {
      background: rgba(17, 24, 39, 0.8);
      border-radius: 1rem;
      padding: 1.5rem;
      box-shadow: 0 10px 30px rgba(0,0,0,0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }

    .card h3 {
      margin-bottom: 0.5rem;
    }

    .card p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    .skills {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }

    .skill {
      background: #020617;
      border: 1px solid #1f2933;
      padding: 0.4rem 0.8rem;
      border-radius: 999px;
      font-size: 0.85rem;
      color: var(--accent);
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    footer {
      text-align: center;
      padding: 2rem 1rem;
      color: var(--muted);
      font-size: 0.85rem;
    }

    button {
      margin-top: 1rem;
      padding: 0.6rem 1.2rem;
      border-radius: 0.75rem;
      border: none;
      background: var(--accent);
      color: #020617;
      font-weight: bold;
      cursor: pointer;
    }

    button:hover {
      opacity: 0.9;
    }