/* ─────────────────────────────────────────────
       CSS VARIABLES & RESET
    ───────────────────────────────────────────── */
    :root {
      --blue:      #007aff;
      --blue-dark: #005fcc;
      --blue-light:#e8f1ff;
      --white:     #ffffff;
      --off-white: #f5f7fa;
      --gray-100:  #f0f2f5;
      --gray-300:  #d1d5db;
      --gray-500:  #6b7280;
      --gray-700:  #374151;
      --black:     #0a0e17;
      --nav-h:     72px;
      --radius:    12px;
      --shadow:    0 4px 24px rgba(0,0,0,0.08);
      --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: var(--nav-h);
    }

    body {
      font-family: 'Outfit', sans-serif;
      font-weight: 400;
      color: var(--black);
      background: var(--white);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    /* ─────────────────────────────────────────────
       LANGUAGE SWITCHING
    ───────────────────────────────────────────── */
    .lang-en { display: none !important;}
    .lang-de { display: block; }


    /* Inline elements need inline, not block */
    span.lang-de, a.lang-de { display: inline; }

    body.lang-en-active .lang-de { display: none !important; }
    body.lang-en-active .lang-en { display: block !important; }
    body.lang-en-active span.lang-en,
    body.lang-en-active a.lang-en  { display: inline !important; }
    body.lang-en-active span.lang-de,
    body.lang-en-active a.lang-de  { display: none !important; }

    /* Flex items keep flex display */
    .flex-item.lang-de,
    .flex-item.lang-en { display: flex; }
    body.lang-en-active .flex-item.lang-de { display: none !important; }
    body:not(.lang-en-active) .flex-item.lang-en { display: none !important; }

    /* ─────────────────────────────────────────────
       HEADER / NAV
    ───────────────────────────────────────────── */
    header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      height: var(--nav-h);
      background: rgba(255,255,255,0.96);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--gray-300);
      transition: box-shadow 0.3s ease;
    }

    header.scrolled {
      box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    }

    .nav-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    /* Logo */
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      flex-shrink: 0;
    }

    .logo-icon {
      width: 38px;
      height: 38px;
      background: var(--blue);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 18px;
    }

    .logo-text {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 20px;
      line-height: 1.1;
      color: var(--black);
      letter-spacing: 0.02em;
    }

    .logo-text span {
      display: block;
      font-weight: 400;
      font-size: 12px;
      color: var(--gray-500);
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    /* Nav links */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }

    .nav-links a {
      font-family: 'Outfit', sans-serif;
      font-size: 14px;
      font-weight: 500;
      color: var(--gray-700);
      text-decoration: none;
      padding: 8px 14px;
      border-radius: 8px;
      transition: color 0.2s, background 0.2s;
      letter-spacing: 0.01em;
    }

    .nav-links a:hover {
      color: var(--blue);
      background: var(--blue-light);
    }

    /* Language toggle */
    .lang-toggle {
      display: flex;
      align-items: center;
      background: var(--gray-100);
      border-radius: 8px;
      padding: 3px;
      gap: 2px;
      flex-shrink: 0;
    }

    .lang-btn {
      padding: 5px 12px;
      border: none;
      background: transparent;
      border-radius: 6px;
      font-family: 'Outfit', sans-serif;
      font-size: 13px;
      font-weight: 600;
      color: var(--gray-500);
      cursor: pointer;
      transition: all 0.2s;
      letter-spacing: 0.04em;
    }

    .lang-btn.active {
      background: var(--white);
      color: var(--blue);
      box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    }

    /* Mobile menu toggle */
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 6px;
      background: none;
      border: none;
    }

    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--black);
      border-radius: 2px;
      transition: all 0.3s;
    }

    /* ─────────────────────────────────────────────
       HERO SECTION
    ───────────────────────────────────────────── */
    #hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      overflow: hidden;
      background: var(--black);
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      /* background-image: url("../images/hero.jpg"); */
      background-position: center;
      background-size: cover;
      background-repeat: no-repeat;
      opacity: 0.35;
    }

    /* Subtle diagonal grid overlay */
    .hero-overlay {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, rgba(0,122,255,0.15) 0%, transparent 60%),
        linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.6) 100%);
    }

    /* Geometric accent line */
    .hero-accent-line {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--blue);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 1200px;
      margin: 0 auto;
      padding: 120px 24px 80px;
      width: 100%;
    }
    
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0,122,255,0.2);
      border: 1px solid rgba(0,122,255,0.4);
      color: #7fbfff;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      padding: 6px 14px;
      border-radius: 4px;
      margin-bottom: 28px;
    }

    .hero-tag i {
      font-size: 10px;
    }

    .hero-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 900;
      font-size: clamp(48px, 8vw, 88px);
      line-height: 1.0;
      color: var(--white);
      letter-spacing: -0.01em;
      text-transform: uppercase;
      margin-bottom: 28px;
      max-width: 720px;
    }

    .hero-title .accent {
      color: var(--blue);
      display: block;
    }

    .hero-subtitle {
      font-size: clamp(16px, 2vw, 19px);
      color: rgba(255,255,255,0.75);
      max-width: 540px;
      margin-bottom: 48px;
      font-weight: 300;
      line-height: 1.75;
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--blue);
      color: white;
      font-family: 'Outfit', sans-serif;
      font-size: 15px;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: var(--radius);
      text-decoration: none;
      border: 2px solid var(--blue);
      transition: all 0.25s ease;
      letter-spacing: 0.02em;
      cursor: pointer;
    }

    .btn-primary:hover {
      background: var(--blue-dark);
      border-color: var(--blue-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0,122,255,0.35);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: transparent;
      color: white;
      font-family: 'Outfit', sans-serif;
      font-size: 15px;
      font-weight: 600;
      padding: 14px 28px;
      border-radius: var(--radius);
      text-decoration: none;
      border: 2px solid rgba(255,255,255,0.4);
      transition: all 0.25s ease;
      letter-spacing: 0.02em;
    }

    .btn-outline:hover {
      background: rgba(255,255,255,0.1);
      border-color: rgba(255,255,255,0.7);
      transform: translateY(-2px);
    }

    /* Stats bar */
    .hero-stats {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 2;
      background: rgba(255,255,255,0.06);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255,255,255,0.1);
    }

    .hero-stats-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
    }

    .stat-item {
      padding: 20px 24px;
      border-right: 1px solid rgba(255,255,255,0.1);
    }

    .stat-item:last-child { border-right: none; }

    .stat-number {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 32px;
      font-weight: 800;
      color: var(--blue);
      line-height: 1;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 12px;
      color: rgba(255,255,255,0.6);
      font-weight: 500;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    /* ─────────────────────────────────────────────
       Ausblenden auf kleinen Devices
    ───────────────────────────────────────────── */

    .show-md{
      display: none !important;
    }

    @media (min-width: 768px) {
      .show-md {
        display: block !important;
      }
    }

    /* ─────────────────────────────────────────────
       SECTION COMMONS
    ───────────────────────────────────────────── */
    section {
      padding: 100px 24px;
    }

    .section-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--blue);
      margin-bottom: 16px;
    }

    .section-label::before {
      content: '';
      display: block;
      width: 24px;
      height: 2px;
      background: var(--blue);
      flex-shrink: 0;
    }

    .section-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: clamp(36px, 5vw, 54px);
      line-height: 1.05;
      color: var(--black);
      text-transform: uppercase;
      letter-spacing: 0.01em;
      margin-bottom: 20px;
    }

    .section-desc {
      font-size: 17px;
      color: var(--gray-500);
      max-width: 560px;
      line-height: 1.75;
      font-weight: 300;
    }

    /* ─────────────────────────────────────────────
       ÜBER UNS / ABOUT
    ───────────────────────────────────────────── */
    #ueber-uns {
      background: var(--white);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
      margin-top: 60px;
    }

    .about-image-wrap {
      position: relative;
      width: 100%;
      overflow: hidden; /* neu */
    }

    .about-image-wrap img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
      border-radius: 16px;
      display: block;
    }

    /* Placeholder style for image */
    .about-image-wrap .img-placeholder {
      width: 100%;
      max-width: 100%;
      min-height: 350px;
      aspect-ratio: 4/3;
      background-color: var(--gray-100);
      background-image: url("../images/profil_henning_strehse.jpg");
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      border-radius: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 12px;
      /* color: var(--gray-300); */
      font-size: 14px;
      /*border: 2px dashed var(--gray-300);*/
    }

    .about-image-wrap .img-placeholder i {
      font-size: 40px;
    }

    /* Blue accent card */
    .about-accent-card {
      position: absolute;
      bottom: -24px;
      right: -24px;
      background: var(--blue);
      color: white;
      border-radius: var(--radius);
      padding: 20px 24px;
      box-shadow: var(--shadow-lg);
    }

    .about-accent-card .num {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 40px;
      font-weight: 900;
      line-height: 1;
    }

    .about-accent-card .lbl {
      font-size: 12px;
      font-weight: 500;
      opacity: 0.85;
      letter-spacing: 0.04em;
      margin-top: 4px;
    }

    .about-text-col {
      padding-left: 8px;
    }

    .about-quote {
      position: relative;
      margin: 32px 0;
      padding: 24px 28px;
      background: var(--off-white);
      border-left: 4px solid var(--blue);
      border-radius: 0 var(--radius) var(--radius) 0;
    }

    .about-quote p {
      font-size: 17px;
      font-style: italic;
      color: var(--gray-700);
      line-height: 1.7;
    }

    .about-quote i.fa-quote-left {
      color: var(--blue);
      font-size: 20px;
      margin-bottom: 10px;
      display: block;
    }

    .about-founder {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 32px;
    }

    .founder-avatar {
      width: 52px;
      height: 52px;
      background: var(--blue-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--blue);
      font-size: 22px;
      flex-shrink: 0;
    }

    .founder-info .name {
      font-weight: 700;
      font-size: 15px;
      color: var(--black);
    }

    .founder-info .role {
      font-size: 13px;
      color: var(--gray-500);
    }

    /* ─────────────────────────────────────────────
       LEISTUNGEN / SERVICES
    ───────────────────────────────────────────── */
    #leistungen {
      background: var(--off-white);
    }

    .services-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 40px;
      flex-wrap: wrap;
      margin-bottom: 56px;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 48px;
    }

    .service-card {
      background: var(--white);
      border-radius: 16px;
      padding: 36px 28px;
      box-shadow: var(--shadow);
      border: 1px solid var(--gray-100);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      position: relative;
      overflow: hidden;
    }

    .service-card::after {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: var(--blue);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .service-card:hover::after {
      transform: scaleX(1);
    }

    .service-icon {
      width: 56px;
      height: 56px;
      background: var(--blue-light);
      border-radius: var(--radius);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--blue);
      font-size: 22px;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 22px;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--black);
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }

    .service-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .service-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--gray-700);
      line-height: 1.5;
    }

    .service-list li i {
      color: var(--blue);
      font-size: 11px;
      margin-top: 5px;
      flex-shrink: 0;
    }

    /* Industries & Areas strip */
    .industries-strip {
      background: var(--black);
      border-radius: 16px;
      padding: 40px 48px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
    }

    .industry-col h4 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 14px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--blue);
      margin-bottom: 16px;
    }

    .industry-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .industry-col ul li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: rgba(255,255,255,0.75);
    }

    .industry-col ul li i {
      color: var(--blue);
      font-size: 11px;
      width: 12px;
    }

    /* ─────────────────────────────────────────────
       REFERENZEN / REFERENCES
    ───────────────────────────────────────────── */
    #referenzen {
      background: var(--white);
    }

    .ref-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 56px;
    }

    .ref-card {
      background: var(--off-white);
      border-radius: 16px;
      padding: 32px 28px;
      border: 1px solid var(--gray-100);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .ref-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .ref-stars {
      display: flex;
      gap: 4px;
      margin-bottom: 16px;
    }

    .ref-stars i {
      color: var(--blue);
      font-size: 13px;
    }

    .ref-card blockquote {
      font-size: 15px;
      color: var(--gray-700);
      line-height: 1.7;
      font-style: italic;
      margin-bottom: 20px;
    }

    .ref-company {
      font-weight: 700;
      font-size: 14px;
      color: var(--black);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .ref-company::before {
      content: '';
      display: block;
      width: 20px;
      height: 2px;
      background: var(--blue);
    }

    /* ─────────────────────────────────────────────
       KONTAKT / CONTACT
    ───────────────────────────────────────────── */
    #kontakt {
      background: var(--off-white);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 80px;
      align-items: start;
      margin-top: 60px;
    }

    .contact-info-block {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }

    .contact-icon {
      width: 46px;
      height: 46px;
      background: var(--blue-light);
      border-radius: var(--radius);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--blue);
      font-size: 18px;
      flex-shrink: 0;
    }

    .contact-item .label {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--gray-500);
      margin-bottom: 4px;
    }

    .contact-item .value {
      font-size: 16px;
      color: var(--black);
      font-weight: 500;
    }

    .contact-item a {
      color: var(--blue);
      text-decoration: none;
      transition: opacity 0.2s;
    }

    .contact-item a:hover { opacity: 0.75; }

    /* Contact map / image placeholder */
    .contact-map-placeholder {
      width: 100%;
      aspect-ratio: 16/9;
      background: var(--gray-100);
      border-radius: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 12px;
      color: var(--gray-300);
      border: 2px dashed var(--gray-300);
      font-size: 14px;
    }

    .contact-map-placeholder i {
      font-size: 40px;
    }

    /* ─────────────────────────────────────────────
       FOOTER
    ───────────────────────────────────────────── */
    footer {
      background: var(--black);
      color: rgba(255,255,255,0.6);
      padding: 32px 24px;
    }

    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-logo {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 18px;
      font-weight: 700;
      color: white;
      letter-spacing: 0.02em;
    }

    .footer-copy {
      font-size: 13px;
      text-align: center;
    }

    .footer-links {
      display: flex;
      gap: 20px;
    }

    .footer-links a {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links a:hover { color: var(--blue); }

    /* ─────────────────────────────────────────────
       SCROLL-TO-TOP BUTTON
    ───────────────────────────────────────────── */
    #scroll-top {
      position: fixed;
      bottom: 32px;
      right: 32px;
      width: 46px;
      height: 46px;
      background: var(--blue);
      color: white;
      border: none;
      border-radius: 12px;
      font-size: 16px;
      cursor: pointer;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s, transform 0.2s;
      box-shadow: 0 4px 16px rgba(0,122,255,0.35);
      z-index: 500;
    }

    #scroll-top.visible {
      opacity: 1;
      pointer-events: all;
    }

    #scroll-top:hover {
      transform: translateY(-3px);
    }

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

    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .hero-content > * {
      animation: fadeUp 0.7s ease forwards;
    }
    .hero-content > *:nth-child(1) { animation-delay: 0.1s; }
    .hero-content > *:nth-child(2) { animation-delay: 0.25s; }
    .hero-content > *:nth-child(3) { animation-delay: 0.4s; }
    .hero-content > *:nth-child(4) { animation-delay: 0.55s; }

    /* ─────────────────────────────────────────────
       RESPONSIVE
    ───────────────────────────────────────────── */
    @media (max-width: 1024px) {
      .services-grid,
      .ref-grid {
        grid-template-columns: 1fr 1fr;
      }

      .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .about-accent-card {
        right: -8px; bottom: -8px;
      }

      .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .industries-strip {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      section { padding: 72px 20px; }

      .nav-links { display: none; }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        background: white;
        padding: 16px 20px 24px;
        border-bottom: 1px solid var(--gray-300);
        box-shadow: var(--shadow);
        gap: 2px;
      }

      .nav-links.open a {
        display: block;
        padding: 12px 16px;
      }

      .menu-toggle { display: flex; }

      .services-grid,
      .ref-grid {
        grid-template-columns: 1fr;
      }

      .industries-strip {
        grid-template-columns: 1fr;
        padding: 32px 24px;
        gap: 28px;
      }

      .hero-stats-inner {
        grid-template-columns: 1fr;
      }

      .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
      }

      .stat-item:last-child { border-bottom: none; }

      .footer-inner {
        flex-direction: column;
        text-align: center;
      }
    }