:root {
      --primary-color: #3F4550;
      --accent-color: #73A03A;
      --text-color: #222;
      --bg-color: #fff;
      --muted-color: #f7f7f7;
      --transition: all 0.3s ease;
      --icon-color: #73A03A;
    }

    body {
      font-family: system-ui, sans-serif;
      margin: 0;
      padding: 0;
      color: var(--text-color);
      background-color: var(--bg-color);
      line-height: 1.6;
    }

    header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(6px);
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 3rem;
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
      z-index: 1000;
    }

    header nav a {
      color: var(--text-color);
      text-decoration: none;
      margin: 0 1rem;
      font-weight: 500;
      transition: var(--transition);
    }

    header nav a:hover, header nav a:focus {
      color: var(--accent-color);
    }

    .brand {
        display: flex;
        gap: 16px;
        align-items: center
    }

    .logo {
        width: 64px;
        height: 64px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-weight: 700;
        font-size: 1.2rem;
        background-image: url("logo-connected-spaces.png");
        background-size: 100%;
    }

    .hero {
        position: relative;
        height: 75vh;
        background: url('mustafa-fatemi-ZEfHrVDF3NM-unsplash.jpg') center/cover no-repeat;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        color: #fff;
        padding: 2rem;
        overflow: hidden;
        max-width: 100%;
    }

    .hero::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.60); /* Abdunkelung hier anpassen */
        z-index: 0;
    }

    .hero h1,
    .hero p,
    .hero a.button {
        position: relative;
        z-index: 1;
    }


    .hero h1 {
      font-size: 3rem;
      max-width: 800px;
    }

    .hero p {
      font-size: 1.3rem;
      margin-top: 1rem;
      max-width: 600px;
    }

    .hero a.button {
      background: var(--accent-color);
      color: #000;
      padding: 0.9rem 2rem;
      margin-top: 2rem;
      border-radius: 40px;
      text-decoration: none;
      font-weight: 600;
      transition: var(--transition);
    }

    .hero a.button:hover {
      background: #f2cb30;
    }

    section {
      padding: 5rem 3rem;
      max-width: 1100px;
      margin: auto;
    }

    .features, .industries, .trust, .cta, .blog {
      text-align: center;
    }

    .features h2, .industries h2, .trust h2, .cta h2, .blog h2 {
      font-size: 2rem;
      margin-bottom: 2rem;
      color: var(--primary-color);
    }

    .features h3 {
        height: 8vh;
    }

    .features-grid, .industry-grid, .trust-logos, .blog-grid {
      padding-top: 2vh;
      display: grid;
      gap: 2rem;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      align-items: start;
    }

    .features-grid div, .industry-grid div, .blog-grid article {
      background: var(--muted-color);
      padding: 1rem;
      padding-bottom: 2rem;
      min-height: 85vh;
      max-height: 85vh;
      border-radius: 12px;
      transition: var(--transition);
    }

    .features-grid div:hover, .industry-grid div:hover, .blog-grid article:hover {
      background: #ececec;
      transform: translateY(-3px);
    }
    
    .features-grid ul {
      list-style: none;
      padding-left: 0;
      margin-left: 0;
      padding-bottom: 1vh;
      min-height: 28vh;
      max-height: 28vh;
      text-align: left;
    }

    .features-grid li::before {
      content: '✔';
      font-weight: bold;
      padding-right: 5px;
      color: #73A03A;
    }

    .trust-logos img {
      max-width: 150px;
      opacity: 0.8;
      transition: var(--transition);
      filter: grayscale(100%);
    }

    .trust-logos img:hover {
      opacity: 1;
      filter: none;
    }

    .cta {
      background: var(--primary-color);
      color: #fff;
      padding: 6rem 2rem;
      border-radius: 20px;
    }

    a.button {
      background: var(--accent-color);
      color: #000;
      padding: 1rem 2rem;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
    }

    .icon {
      color: var(--icon-color);
    }

    footer {
      text-align: center;
      padding: 2rem;
      background: #f3f3f3;
      font-size: 0.9rem;
      color: #555;
    }