:root {
      --navy: #001b34;
      --navy-2: #031124;
      --navy-3: #062a4a;
      --gold: #f5b900;
      --gold-2: #ffd25b;
      --white: #f7f8fb;
      --muted: #c7d3df;
      --line: rgba(245, 185, 0, .34);
      --panel: rgba(255, 255, 255, .06);
      --shadow: 0 28px 70px rgba(0, 0, 0, .36);
      --radius: 8px;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--white);
      background: var(--navy-2);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      line-height: 1.5;
      background:
        radial-gradient(circle at 80% 0%, rgba(13, 82, 132, .7), transparent 34rem),
        linear-gradient(180deg, var(--navy), var(--navy-2) 48rem, #01192f);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(245, 185, 0, .16);
      background: rgba(0, 19, 37, .82);
      backdrop-filter: blur(18px);
    }

    .nav {
      width: min(1180px, calc(100% - 32px));
      min-height: 78px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      min-width: 0;
      display: inline-flex;
      align-items: center;
    }

    .brand img {
      width: clamp(170px, 20vw, 260px);
      height: auto;
      max-height: 54px;
      object-fit: contain;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 16px;
      color: var(--muted);
      font-size: .92rem;
      font-weight: 750;
    }

    .nav-links a:hover {
      color: var(--gold);
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 14px;
      border: 1px solid rgba(245, 185, 0, .42);
      border-radius: var(--radius);
      background: rgba(0, 27, 52, .78);
      color: var(--white);
      font-weight: 900;
      cursor: pointer;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border: 1px solid rgba(245, 185, 0, .6);
      border-radius: var(--radius);
      background: linear-gradient(180deg, var(--gold-2), var(--gold));
      color: #06111f;
      font-weight: 900;
      box-shadow: 0 16px 36px rgba(245, 185, 0, .22);
      transition: transform .18s ease, box-shadow .18s ease;
      white-space: nowrap;
    }

    .button:hover {
      transform: translateY(-1px);
      box-shadow: 0 20px 46px rgba(245, 185, 0, .3);
    }

    .button.secondary {
      background: rgba(255, 255, 255, .06);
      color: var(--white);
      border-color: rgba(255, 255, 255, .22);
      box-shadow: none;
    }

    main {
      overflow: hidden;
    }

    .hero {
      position: relative;
      isolation: isolate;
      z-index: 1;
      padding: 88px 0 92px;
      background: #00172d;
      overflow: hidden;
    }

    .hero-video {
      position: absolute;
      inset: 0;
      z-index: 0;
      width: 100vw;
      height: 100vh;
      object-fit: cover;
      opacity: 1;
      pointer-events: none;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background:
        radial-gradient(circle at 82% 20%, rgba(245, 185, 0, .08), transparent 22rem),
        linear-gradient(90deg, rgba(0, 18, 35, .34), rgba(0, 18, 35, .12) 54%, rgba(0, 18, 35, .02)),
        linear-gradient(180deg, rgba(0, 18, 35, .04), rgba(0, 18, 35, .12));
    }

    .hero-inner {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
      padding: 0;
      max-width: 980px;
      position: relative;
      z-index: 2;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin: 0 0 18px;
      color: var(--gold);
      font-weight: 950;
      text-transform: uppercase;
      letter-spacing: .1em;
      font-size: .82rem;
    }

    .eyebrow::before {
      content: "";
      width: 58px;
      height: 3px;
      border-radius: 999px;
      background: var(--gold);
      box-shadow: 0 0 22px rgba(245, 185, 0, .7);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 900px;
      margin-bottom: 24px;
      font-size: clamp(3.25rem, 5.7vw, 5.85rem);
      line-height: .96;
      letter-spacing: 0;
      text-wrap: balance;
    }

    h1 .gold,
    .gold {
      color: var(--gold);
    }

    .lead {
      max-width: 650px;
      margin-bottom: 30px;
      color: var(--muted);
      font-size: clamp(1.08rem, 2vw, 1.32rem);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 14px;
    }

    .hero-project-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 34px;
      color: var(--gold-2);
      font-weight: 900;
      letter-spacing: .02em;
      text-transform: uppercase;
    }

    .hero-project-link:hover {
      color: var(--white);
    }

    .hero-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      max-width: 840px;
      margin-top: 26px;
    }

    .hero-list a {
      min-height: 40px;
      padding: 9px 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(0, 27, 52, .68);
      color: var(--white);
      font-weight: 850;
      font-size: .92rem;
      box-shadow: none;
    }

    .hero-list a:hover {
      background: rgba(245, 185, 0, .12);
      color: var(--gold-2);
    }

    section {
      position: relative;
      z-index: 2;
      padding: 86px 0;
      background: #00172d;
    }

    section.hero {
      z-index: 1;
      background: #00172d;
    }

    .section-inner {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
    }

    .section-top {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(280px, .42fr);
      gap: 34px;
      align-items: end;
      margin-bottom: 36px;
    }

    .intro-layout {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(320px, .68fr);
      gap: 32px;
      align-items: center;
      margin-bottom: 34px;
    }

    .intro-layout .section-top {
      display: block;
      margin-bottom: 0;
    }

    .about-poster {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #00172d;
      box-shadow: var(--shadow);
      cursor: zoom-in;
    }

    .about-poster img {
      width: 100%;
      height: 360px;
      object-fit: cover;
      object-position: center;
    }

    .section-kicker {
      margin-bottom: 10px;
      color: var(--gold);
      font-weight: 950;
      text-transform: uppercase;
      font-size: .78rem;
      letter-spacing: .1em;
    }

    .section-heading {
      margin-bottom: 0;
      font-size: clamp(2.25rem, 5vw, 4.35rem);
      line-height: .95;
      letter-spacing: 0;
      text-wrap: balance;
    }

    .section-copy {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 1.06rem;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .service-card {
      display: flex;
      flex-direction: column;
      min-height: 280px;
      padding: 26px;
      border: 1px solid rgba(245, 185, 0, .25);
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .035)),
        rgba(0, 20, 38, .72);
      box-shadow: var(--shadow);
      cursor: zoom-in;
    }

    .service-card:focus-visible {
      outline: 3px solid rgba(245, 185, 0, .72);
      outline-offset: 4px;
    }

    .icon {
      width: 70px;
      aspect-ratio: 1;
      margin-bottom: 34px;
      display: grid;
      place-items: center;
      border: 2px solid var(--gold);
      border-radius: 50%;
      color: var(--gold);
      font-size: 2rem;
      font-weight: 950;
    }

    .service-card h3 {
      margin-bottom: 12px;
      font-size: 1.38rem;
      line-height: 1.1;
    }

    .service-card p {
      flex: 1;
      margin-bottom: 0;
      color: var(--muted);
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      align-self: flex-start;
      min-height: 38px;
      margin-top: 24px;
      padding: 0 14px;
      border: 1px solid rgba(245, 185, 0, .5);
      border-radius: 8px;
      color: var(--gold);
      font-weight: 900;
      font-size: .9rem;
    }

    .card-link:hover {
      background: rgba(245, 185, 0, .12);
    }

    .image-strip {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
    }

    .image-tile {
      min-height: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      background: #00172d;
      cursor: zoom-in;
    }

    .image-tile img {
      width: 100%;
      height: 520px;
      object-fit: contain;
      filter: saturate(1.06) contrast(1.04);
      background: #00172d;
    }

    .image-tile figcaption {
      padding: 13px 16px;
      border-top: 1px solid rgba(245, 185, 0, .22);
      background: rgba(0, 14, 28, .96);
      color: var(--muted);
      font-weight: 850;
      font-size: .78rem;
      line-height: 1.35;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    .dark-band {
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, 0)),
        #00172d;
      border-top: 1px solid rgba(245, 185, 0, .16);
      border-bottom: 1px solid rgba(245, 185, 0, .16);
    }

    .split-feature {
      display: grid;
      grid-template-columns: minmax(420px, .82fr) minmax(420px, 1fr);
      gap: 26px;
      align-items: stretch;
    }

    .feature-copy,
    .quote-panel,
    .contact-panel {
      border: 1px solid rgba(245, 185, 0, .26);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
      box-shadow: var(--shadow);
    }

    .feature-copy {
      padding: clamp(26px, 4vw, 44px);
    }

    .feature-copy h2 {
      margin-bottom: 20px;
      font-size: clamp(2.15rem, 4.2vw, 4.25rem);
      line-height: .96;
    }

    .check-list {
      display: grid;
      gap: 18px;
      margin: 28px 0 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      position: relative;
      min-height: 48px;
      padding-left: 62px;
      color: var(--muted);
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      top: 0;
      left: 0;
      display: grid;
      place-items: center;
      width: 42px;
      aspect-ratio: 1;
      border: 1px solid var(--gold);
      border-radius: 50%;
      color: var(--gold);
      font-weight: 950;
    }

    .feature-image {
      min-height: 620px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      cursor: zoom-in;
      background: #00172d;
    }

    .feature-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .process-step {
      min-height: 220px;
      padding: 24px;
      border-left: 3px solid var(--gold);
      background: rgba(255, 255, 255, .055);
    }

    .process-step span {
      display: block;
      margin-bottom: 34px;
      color: var(--gold);
      font-size: 2.3rem;
      font-weight: 950;
      line-height: 1;
    }

    .process-step h3 {
      margin-bottom: 10px;
      font-size: 1.2rem;
    }

    .process-step p {
      margin-bottom: 0;
      color: var(--muted);
    }

    .about-grid {
      display: grid;
      grid-template-columns: minmax(420px, 1.12fr) minmax(320px, .88fr);
      gap: clamp(32px, 5vw, 62px);
      align-items: start;
    }

    .quote-panel {
      padding: clamp(26px, 4vw, 46px);
    }

    .quote-panel blockquote {
      margin: 0 0 20px;
      font-size: clamp(1.7rem, 3.5vw, 3.2rem);
      line-height: 1.05;
      font-weight: 950;
    }

    .quote-panel p {
      margin-bottom: 0;
      color: var(--muted);
    }

    .experience-card {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #00172d;
      box-shadow: var(--shadow);
      cursor: zoom-in;
    }

    .experience-card img {
      width: 100%;
      height: auto;
    }

    .profile-note {
      margin: 0 0 22px;
      color: var(--muted);
      font-size: 1.08rem;
      line-height: 1.65;
    }

    .profile-signature {
      width: min(320px, 72%);
      margin: 2px 0 28px;
      display: block;
      filter: drop-shadow(0 0 18px rgba(245, 185, 0, .22));
    }

    .trust-list {
      display: grid;
      gap: 14px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .trust-list li {
      padding: 18px 20px;
      border: 1px solid rgba(245, 185, 0, .22);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
    }

    .trust-list strong {
      display: block;
      margin-bottom: 5px;
      color: var(--gold);
      font-size: 1.05rem;
    }

    .facts {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .fact {
      padding: 24px;
      border: 1px solid rgba(245, 185, 0, .22);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
    }

    .fact h3 {
      margin-bottom: 8px;
      color: var(--gold);
      font-size: 1.13rem;
    }

    .fact p {
      margin-bottom: 0;
      color: var(--muted);
    }

    .project-grid,
    .team-grid,
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .project-tools {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin: -18px 0 24px;
    }

    .project-filters {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-button {
      min-height: 38px;
      padding: 8px 13px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(0, 27, 52, .62);
      color: var(--white);
      font: inherit;
      font-weight: 900;
      cursor: pointer;
    }

    .filter-button.is-active,
    .filter-button:hover {
      background: rgba(245, 185, 0, .16);
      color: var(--gold-2);
      border-color: rgba(245, 185, 0, .68);
    }

    .project-note {
      margin: 0;
      color: var(--muted);
      font-size: .96rem;
    }

    .project-card.is-hidden {
      display: none;
    }

    .project-empty {
      display: none;
      padding: 24px;
      border: 1px dashed rgba(245, 185, 0, .42);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .045);
      color: var(--muted);
    }

    .project-empty.is-visible {
      display: block;
    }

    .team-grid {
      grid-template-columns: 1fr;
    }

    .project-card,
    .team-card,
    .review-card {
      overflow: hidden;
      border: 1px solid rgba(245, 185, 0, .22);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
      box-shadow: var(--shadow);
    }

    .project-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }

    .project-card div,
    .team-card,
    .review-card {
      padding: 22px;
    }

    .project-card h3,
    .team-card h3,
    .review-card h3 {
      margin-bottom: 8px;
      color: var(--gold);
    }

    .project-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-bottom: 12px;
    }

    .project-tags span {
      padding: 4px 8px;
      border: 1px solid rgba(245, 185, 0, .28);
      border-radius: 999px;
      color: var(--gold-2);
      font-size: .78rem;
      font-weight: 900;
      text-transform: uppercase;
    }

    .review-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: .95rem;
    }

    .review-stars {
      color: var(--gold);
      letter-spacing: 1px;
    }

    .review-card {
      min-height: 176px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-card p {
      color: var(--muted);
    }

    .review-card a {
      align-self: flex-start;
      color: var(--gold);
      font-weight: 900;
    }

    .team-card h3 {
      overflow-wrap: anywhere;
    }

    .project-meta,
    .role-text,
    .form-note {
      color: var(--muted);
      font-size: .95rem;
    }

    .energy-sharing-grid {
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(360px, .9fr);
      gap: clamp(28px, 4vw, 48px);
      align-items: center;
    }

    .energy-sharing-card {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #00172d;
      box-shadow: var(--shadow);
      cursor: zoom-in;
    }

    .energy-sharing-card img {
      width: 100%;
      height: auto;
      display: block;
    }

    .module-panel {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(320px, .75fr);
      gap: clamp(24px, 4vw, 42px);
      align-items: start;
    }

    .spec-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .spec-item {
      padding: 18px;
      border: 1px solid rgba(245, 185, 0, .22);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .055);
    }

    .spec-item strong {
      display: block;
      margin-bottom: 4px;
      color: var(--gold);
      font-size: 1.05rem;
    }

    .contact {
      background:
        linear-gradient(90deg, rgba(0, 18, 35, .99), rgba(0, 18, 35, .92)),
        url("/assets/sabosol-netzausfall.webp") center / cover;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(340px, 1fr);
      gap: 28px;
      align-items: start;
    }

    .contact-panel {
      padding: 28px;
      background: rgba(0, 20, 38, .92);
    }

    .contact-list {
      display: grid;
      gap: 16px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .contact-list strong {
      color: var(--gold);
    }

    .contact-list a,
    .contact-list span {
      display: block;
      color: var(--muted);
    }

    .review-link {
      margin-top: 20px;
      width: fit-content;
    }

    form {
      display: grid;
      gap: 12px;
    }

    label {
      color: var(--muted);
      font-size: .9rem;
      font-weight: 800;
    }

    input,
    select,
    textarea {
      width: 100%;
      margin-top: 6px;
      padding: 13px 14px;
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: var(--radius);
      color: var(--white);
      font: inherit;
      background: rgba(255, 255, 255, .08);
    }

    select {
      color-scheme: dark;
      background-color: #001b34;
    }

    select option {
      color: var(--white);
      background: #001b34;
    }

    textarea {
      min-height: 118px;
      resize: vertical;
    }

    input::placeholder,
    textarea::placeholder {
      color: rgba(199, 211, 223, .74);
    }

    input:focus,
    select:focus,
    textarea:focus {
      outline: 3px solid rgba(245, 185, 0, .18);
      border-color: var(--gold);
    }

    .site-footer {
      border-top: 1px solid rgba(245, 185, 0, .18);
      background: #000f1d;
    }

    .footer-inner {
      width: min(1180px, calc(100% - 32px));
      min-height: 94px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: var(--muted);
      font-size: .94rem;
    }

    .footer-links {
      display: flex;
      gap: 18px;
      font-weight: 800;
    }

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

    .legal-strip {
      padding: 28px 0;
      border-top: 1px solid rgba(245, 185, 0, .16);
      border-bottom: 1px solid rgba(245, 185, 0, .16);
      background: #000f1d;
    }

    .legal-strip-inner {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: var(--muted);
    }

    .legal-strip-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .legal-strip-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      font-weight: 850;
    }

    .legal-strip-links a:hover {
      color: var(--gold);
    }

    .lightbox {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 28px;
      background: rgba(0, 8, 18, .9);
      backdrop-filter: blur(10px);
    }

    .lightbox.is-open {
      display: flex;
    }

    .lightbox img {
      max-width: min(100%, 1120px);
      max-height: calc(100svh - 104px);
      width: auto;
      height: auto;
      border: 1px solid rgba(245, 185, 0, .45);
      border-radius: var(--radius);
      box-shadow: 0 30px 90px rgba(0, 0, 0, .55);
      background: #00172d;
    }

    .lightbox-close {
      position: absolute;
      top: 18px;
      right: 18px;
      width: 46px;
      aspect-ratio: 1;
      border: 1px solid rgba(255, 255, 255, .26);
      border-radius: 50%;
      background: rgba(0, 27, 52, .85);
      color: var(--white);
      font: inherit;
      font-size: 1.8rem;
      line-height: 1;
      cursor: pointer;
    }

    .lightbox-close:hover {
      border-color: var(--gold);
      color: var(--gold);
    }

    .back-to-top {
      position: fixed;
      right: 18px;
      bottom: 18px;
      z-index: 80;
      width: 48px;
      aspect-ratio: 1;
      display: grid;
      place-items: center;
      border: 1px solid rgba(245, 185, 0, .72);
      border-radius: 50%;
      background: rgba(245, 185, 0, .96);
      color: #061425;
      font-size: 1.45rem;
      font-weight: 950;
      box-shadow: 0 16px 38px rgba(0, 0, 0, .32);
      opacity: 0;
      pointer-events: none;
      transform: translateY(10px);
      transition: opacity .2s ease, transform .2s ease;
    }

    .back-to-top.is-visible {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .back-to-top:hover {
      filter: brightness(1.06);
    }

    @media (max-width: 1180px) {
      .split-feature {
        grid-template-columns: 1fr;
      }

      .feature-image {
        min-height: auto;
      }

      .feature-image img {
        height: auto;
      }
    }

    @media (max-width: 1040px) {
      .nav {
        position: relative;
      }

      .nav-toggle {
        display: inline-flex;
        margin-left: auto;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: calc(100% - 8px);
        left: 0;
        right: 0;
        z-index: 30;
        padding: 14px;
        border: 1px solid rgba(245, 185, 0, .22);
        border-radius: var(--radius);
        background: rgba(0, 18, 35, .98);
        box-shadow: var(--shadow);
      }

      .nav-links.is-open {
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 8px;
      }

      .nav-links a {
        min-height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: var(--radius);
        background: rgba(255, 255, 255, .04);
      }

      .service-grid,
      .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .project-grid,
      .team-grid,
      .reviews-grid {
        grid-template-columns: 1fr;
      }

      .section-top,
      .intro-layout,
      .about-grid,
      .module-panel,
      .energy-sharing-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .about-poster img {
        height: auto;
      }
    }

    @media (max-width: 720px) {
      .nav,
      .hero-inner,
      .section-inner,
      .footer-inner {
        width: min(100% - 24px, 1180px);
      }

      .nav {
        min-height: 70px;
        gap: 8px;
      }

      .nav-links.is-open {
        grid-template-columns: 1fr 1fr;
      }

      .brand img {
        width: clamp(138px, 38vw, 170px);
      }

      .nav-toggle {
        min-height: 40px;
        padding: 0 10px;
        font-size: .86rem;
      }

      .nav .button {
        min-height: 40px;
        padding: 0 10px;
        font-size: .86rem;
      }

      .hero {
        padding: 70px 0 46px;
      }

      .hero::after {
        background:
          linear-gradient(90deg, rgba(0, 18, 35, .24), rgba(0, 18, 35, .08)),
          linear-gradient(180deg, rgba(0, 18, 35, .02), rgba(0, 18, 35, .1));
      }

      .eyebrow {
        gap: 8px;
        font-size: .72rem;
        letter-spacing: .08em;
      }

      .eyebrow::before {
        width: 46px;
      }

      h1 {
        max-width: 100%;
        font-size: clamp(2.15rem, 9.2vw, 3.2rem);
        line-height: 1.02;
        overflow-wrap: normal;
        word-break: normal;
        hyphens: none;
      }

      .lead {
        font-size: 1.18rem;
        line-height: 1.42;
      }

      .hero-actions {
        gap: 10px;
      }

      .button {
        min-height: 42px;
        padding: 0 12px;
        font-size: .88rem;
      }

      .brand img {
        width: 158px;
        max-height: 42px;
      }

      .service-grid,
      .image-strip,
      .process-grid,
      .facts {
        grid-template-columns: 1fr;
      }

      .hero-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }

      .hero-list a {
        width: 100%;
        min-height: 46px;
        padding: 9px 10px;
        font-size: .82rem;
      }

      section {
        padding: 62px 0;
      }

      .image-tile,
      .feature-image {
        min-height: 360px;
      }

      .image-tile img {
        height: auto;
      }

      .lightbox {
        padding: 14px;
      }

      .lightbox img {
        max-height: calc(100svh - 82px);
      }

      .footer-inner {
        padding: 22px 0;
        flex-direction: column;
        align-items: flex-start;
      }

      .legal-strip-inner {
        width: min(100% - 24px, 1180px);
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 430px) {
      h1 {
        font-size: clamp(1.92rem, 8.4vw, 2.55rem);
        line-height: 1.06;
      }
    }
  

/* Gemeinsame Ergänzungen für Haupt- und Unterseiten */
.header-actions { display:flex; align-items:center; gap:10px; }
.button.portal { background:rgba(255,255,255,.06); color:var(--white); border-color:rgba(255,255,255,.25); box-shadow:none; }
.button.portal:hover { border-color:var(--gold); color:var(--gold); }
.hero { background-image:linear-gradient(90deg,rgba(0,18,35,.76),rgba(0,18,35,.22)),url('/assets/hero-poster.webp'); background-size:cover; background-position:center; }
.hero-video { z-index:0; }
.hp-field { position:absolute!important; left:-9999px!important; width:1px!important; height:1px!important; overflow:hidden!important; }
.consent-row { display:grid; grid-template-columns:auto 1fr; align-items:start; gap:10px; color:var(--muted); font-size:.88rem; }
.consent-row input { width:auto; margin-top:.25rem; }
.form-status { padding:12px 14px; border:1px solid rgba(245,185,0,.32); background:rgba(245,185,0,.08); border-radius:var(--radius); }
.breadcrumb { width:min(1180px,calc(100% - 32px)); margin:0 auto; padding:22px 0 0; color:var(--muted); font-size:.9rem; }
.breadcrumb a { color:var(--gold-2); }
.subpage-hero { padding:78px 0 64px; background:linear-gradient(115deg,rgba(0,27,52,.98),rgba(3,17,36,.94)),url('/assets/hero-poster.webp') center/cover; border-bottom:1px solid rgba(245,185,0,.2); }
.subpage-hero .section-inner { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr); gap:42px; align-items:center; }
.subpage-hero h1 { font-size:clamp(2.7rem,5.5vw,5.1rem); }
.subpage-hero-image { border:1px solid rgba(245,185,0,.28); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.subpage-hero-image img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.content-section { padding:72px 0; }
.content-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.content-grid.three { grid-template-columns:repeat(3,minmax(0,1fr)); }
.content-grid.two { grid-template-columns:repeat(2,minmax(0,1fr)); }
.content-card { padding:24px; border:1px solid rgba(245,185,0,.22); border-radius:var(--radius); background:rgba(255,255,255,.055); }
.content-card h2,.content-card h3 { color:var(--white); }
.content-card p,.content-card li { color:var(--muted); }
.content-card img { margin-bottom:20px; width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:calc(var(--radius) - 2px); }
.cta-band { padding:54px 0; background:linear-gradient(90deg,rgba(245,185,0,.13),rgba(255,255,255,.03)); border-top:1px solid rgba(245,185,0,.22); border-bottom:1px solid rgba(245,185,0,.22); }
.cta-row { display:flex; align-items:center; justify-content:space-between; gap:24px; }
.cta-row h2 { margin-bottom:8px; }
.legal-content { width:min(920px,calc(100% - 32px)); margin:0 auto; padding:62px 0 80px; }
.legal-content h1 { font-size:clamp(2.6rem,6vw,4.8rem); }
.legal-content h2 { margin-top:36px; color:var(--gold-2); }
.legal-content p,.legal-content li { color:var(--muted); }
.legal-content a { color:var(--gold-2); text-decoration:underline; text-underline-offset:3px; }
.contact-page-grid { display:grid; grid-template-columns:.85fr 1.15fr; gap:30px; }
.portal-note { padding:16px; border-left:4px solid var(--gold); background:rgba(245,185,0,.08); color:var(--muted); }
.project-list-card { overflow:hidden; padding:0; }
.project-list-card .card-body { padding:22px; }
.project-list-card img { margin:0; border-radius:0; aspect-ratio:16/10; }
.download-card { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.simple-list { padding-left:20px; }
.simple-list li { margin-bottom:8px; }
.error-page { min-height:65vh; display:grid; place-items:center; text-align:center; }
.notice { padding:18px; border:1px solid rgba(245,185,0,.28); background:rgba(245,185,0,.08); border-radius:var(--radius); color:var(--muted); }
@media (prefers-reduced-motion:reduce) { html{scroll-behavior:auto}.hero-video{display:none!important}*{animation:none!important;transition:none!important} }
@media (max-width:1050px) { .header-actions .portal{display:none}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.subpage-hero .section-inner{grid-template-columns:1fr}.subpage-hero-image{max-width:650px}.contact-page-grid{grid-template-columns:1fr} }
@media (max-width:760px) { .header-actions{display:none}.content-grid,.content-grid.three,.content-grid.two{grid-template-columns:1fr}.cta-row{align-items:flex-start;flex-direction:column}.subpage-hero{padding:58px 0 48px}.hero-video{display:none} }

/* Unterseiten-Motiv: vollständige Posteransicht ohne verzerrte Intrinsic-Höhe */
.subpage-hero-image { display:grid; place-items:center; background:rgba(0,17,36,.72); }
.subpage-hero-image img { width:100%; height:560px; aspect-ratio:auto; object-fit:contain; object-position:center; }
@media (max-width:760px) { .subpage-hero-image img { height:420px; } }