@layer base, layout, components, utilities;

/* ==========================================================================
   1. BASE LAYER — Scoped Element Reset, Modern Sans Typography & Accessibility
   ========================================================================== */
@layer base {
  html, body, div, span, header, nav, main, section, article, aside, footer,
  search, figure, figcaption, blockquote, pre, code, h1, h2, h3, h4, p,
  ul, ol, li, dl, dt, dd, form, fieldset, legend, label, input, select,
  textarea, button, details, summary, dialog, table, caption, thead, tbody, tr, th, td, a {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-block-start: 5.5rem;
    background-color: var(--bg-page);
    color: var(--text-primary);
    accent-color: var(--brand-primary);
    color-scheme: light;
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
  }

  body {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.62;
    font-size-adjust: from-font;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    color: var(--text-primary);
    background-color: var(--bg-page);
    text-align: start;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  h1, h2, h3, h4 {
    color: var(--text-heading);
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.16;
    letter-spacing: -0.018em;
    text-wrap: balance;
  }

  h1 {
    font-size: clamp(2.1rem, 1.5rem + 2.5vw, 3.45rem);
  }

  h2 {
    font-size: clamp(1.65rem, 1.3rem + 1.45vw, 2.4rem);
  }

  h3 {
    font-weight: 650;
    font-size: clamp(1.125rem, 1.04rem + 0.4vw, 1.325rem);
    letter-spacing: -0.012em;
  }

  p, li, dd {
    text-wrap: pretty;
    overflow-wrap: break-word;
  }

  /* Monospace ausschließlich für echte Code-Beispiele im Protokoll-Vergleich & Modal */
  code, pre, kbd, samp {
    font-family: var(--font-mono);
  }

  a {
    color: var(--brand-primary);
    text-decoration-thickness: 1.5px;
    text-underline-offset: 0.2em;
    transition: color 0.18s ease;
  }

  a:hover {
    color: var(--brand-primary-hover);
  }

  :where(a:any-link, button, input, select, textarea, summary, [tabindex="0"]):focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
  }

  [inert], [inert] * {
    opacity: 0.5;
    cursor: default;
    user-select: none;
  }

  .visually-hidden:where(:not(:focus-within, :active)) {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
  }
}

/* ==========================================================================
   2. LAYOUT LAYER — Containers, Grids & Section Rhythm
   ========================================================================== */
@layer layout {
  .container {
    width: min(100% - 2.5rem, var(--container-max));
    margin-inline: auto;
  }

  .section {
    padding-block: clamp(4rem, 3rem + 4vw, 6.25rem);
  }

  .section-alt {
    background-color: var(--bg-surface-subtle);
    border-block: 1px solid var(--border-subtle);
  }

  .section-dark {
    background:
      radial-gradient(circle at 82% 14%, rgba(132, 204, 22, 0.14), transparent 46%),
      radial-gradient(circle at 12% 88%, rgba(59, 180, 1, 0.1), transparent 45%),
      linear-gradient(180deg, var(--infra-950) 0%, var(--infra-900) 100%);
    color: var(--text-on-dark);
    border-block: 1px solid var(--infra-border);
  }

  .section-header {
    max-width: 52rem;
    margin-inline: auto;
    margin-block-end: clamp(2.5rem, 2rem + 2vw, 3.75rem);
    text-align: center;
  }

  .section-header p {
    margin-block-start: 1rem;
    font-size: clamp(1.03rem, 0.99rem + 0.25vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 66ch;
    margin-inline: auto;
  }

  .section-dark .section-header h2,
  .section-dark h3 {
    color: #FFFFFF;
  }

  .section-dark .section-header p {
    color: var(--text-on-dark-muted);
  }

  .grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
  }

  .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
  }

  @media (max-width: 68rem) {
    .grid-4 {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 52rem) {
    .grid-2,
    .grid-4 {
      grid-template-columns: minmax(0, 1fr);
    }
  }
}

/* ==========================================================================
   3. COMPONENTS LAYER — A+ EuroTec Visual System
   ========================================================================== */
@layer components {
  /* --- Top ESG & Compliance Micro-Bar --- */
  .micro-bar {
    background-color: var(--logo-dark);
    color: var(--text-on-dark);
    border-block-end: 1px solid var(--infra-border);
    font-size: 0.8125rem;
    padding-block: 0.5rem;
  }

  .micro-bar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 1.25rem;
  }

  .micro-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem 1.25rem;
    list-style: none;
  }

  .micro-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #ECFCCB;
    font-weight: 500;
  }

  .micro-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-pill);
    background-color: var(--green-500);
    box-shadow: 0 0 8px var(--green-500);
    flex-shrink: 0;
  }

  .micro-entity {
    color: var(--text-on-dark-muted);
    font-size: 0.8125rem;
    font-weight: 500;
  }

  /* --- Sticky Header & Navigation (aeurotec.de Style) --- */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    border-block-end: 1px solid var(--border-subtle);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-block-size: 4.65rem;
  }

  /* A+ EuroTEC Capsule Logo Design */
  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--text-heading);
    flex-shrink: 0;
  }

  .brand-capsule {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background-color: var(--logo-dark);
    border: 1px solid #2C3A2B;
    border-radius: 0.625rem;
    padding: 0.35rem 0.75rem 0.35rem 0.4rem;
    box-shadow: var(--shadow-xs);
  }

  .brand-aplus {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--logo-green);
    color: #111827;
    font-weight: 800;
    font-size: 0.92rem;
    line-height: 1;
    letter-spacing: -0.02em;
    padding: 0.28rem 0.45rem;
    border-radius: 0.375rem;
  }

  .brand-capsule-text {
    color: #FFFFFF;
    font-weight: 650;
    font-size: 1rem;
    letter-spacing: -0.015em;
    line-height: 1;
    white-space: nowrap;
  }

  .brand-capsule-text span {
    color: var(--logo-green);
    font-weight: 700;
  }

  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    list-style: none;
  }

  .main-nav a {
    display: inline-flex;
    align-items: center;
    min-block-size: 2.5rem;
    padding-inline: 0.58rem;
    color: var(--slate-600);
    font-size: 0.885rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-pill);
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
  }

  .main-nav a:hover {
    background-color: var(--green-50);
    color: var(--slate-900);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
  }

  /* Language Switcher (DE, EN, FR, ES — Clean Sans Pills) */
  .lang-switcher {
    display: inline-flex;
    align-items: center;
    background-color: var(--slate-100);
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-pill);
    padding: 0.2rem;
    gap: 0.12rem;
  }

  .lang-btn {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--slate-600);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.32rem 0.58rem;
    min-block-size: 1.9rem;
    min-inline-size: 2.1rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
  }

  .lang-btn:hover:not(:disabled) {
    color: var(--slate-900);
    background-color: #FFFFFF;
  }

  .lang-btn[aria-pressed="true"] {
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
    font-weight: 700;
  }

  .mobile-menu-toggle {
    display: none;
    appearance: none;
    border: 1px solid var(--border-strong);
    background: var(--bg-surface);
    color: var(--slate-800);
    border-radius: var(--radius-pill);
    min-block-size: 2.75rem;
    min-inline-size: 2.75rem;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  @media (max-width: 74rem) {
    .main-nav {
      display: none;
    }

    .main-nav.is-open {
      display: block;
      position: absolute;
      inset-block-start: 100%;
      inset-inline: 0;
      background-color: var(--bg-surface);
      border-block-end: 1px solid var(--border-subtle);
      padding: 1rem 1.25rem;
      box-shadow: var(--shadow-md);
    }

    .main-nav.is-open ul {
      flex-direction: column;
      align-items: stretch;
    }

    .main-nav.is-open a {
      min-block-size: 3rem;
      font-size: 1rem;
      border-radius: var(--radius-md);
    }

    .mobile-menu-toggle {
      display: inline-flex;
    }

    .header-cta-desktop {
      display: none;
    }
  }

  /* --- Pill Buttons & Eyebrow Badges (aeurotec.de Rounded Pill Aesthetic) --- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-block-size: 3rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 650;
    line-height: 1.2;
    text-decoration: none;
    border-radius: var(--radius-pill);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease;
  }

  @media (pointer: coarse) {
    .btn {
      min-block-size: 3.25rem;
    }
  }

  .btn:active:not(:disabled) {
    transform: translateY(1px);
  }

  .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  /* Exakter #84CC16 EuroTec Lime-Button mit tiefdunkler, gestochen scharfer Schrift */
  .btn-primary {
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
    box-shadow: var(--shadow-green);
  }

  .btn-primary:hover:not(:disabled) {
    background-color: var(--brand-cta-hover);
    color: #000000;
  }

  /* Weißer Sekundär-Button exakt wie "Für Solaranlagenbetreiber" auf aeurotec.de */
  .btn-secondary {
    background-color: #FFFFFF;
    color: var(--slate-900);
    border-color: var(--border-strong);
  }

  .btn-secondary:hover:not(:disabled) {
    border-color: var(--border-brand);
    color: var(--slate-900);
    background-color: var(--green-50);
  }

  .btn-dark-outline {
    background-color: rgba(132, 204, 22, 0.15);
    color: #F7FEE7;
    border-color: rgba(163, 230, 53, 0.45);
  }

  .btn-dark-outline:hover:not(:disabled) {
    background-color: rgba(132, 204, 22, 0.28);
    color: #FFFFFF;
    border-color: var(--green-400);
  }

  .btn-sm {
    min-block-size: 2.5rem;
    padding: 0.5rem 1.15rem;
    font-size: 0.875rem;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.38rem 0.95rem;
    border-radius: var(--radius-pill);
    background-color: var(--green-50);
    border: 1px solid var(--green-300);
    color: var(--green-900);
    font-size: 0.825rem;
    font-weight: 600;
    margin-block-end: 1.15rem;
  }

  .section-dark .eyebrow {
    background-color: rgba(132, 204, 22, 0.14);
    border-color: rgba(163, 230, 53, 0.35);
    color: var(--green-300);
  }

  /* --- Hero Section & Scanner Lead-Magnet (Clean Modern Surface, No 90s Grid) --- */
  .hero {
    position: relative;
    padding-block: clamp(3.25rem, 2.4rem + 3vw, 5.25rem) clamp(4rem, 3rem + 3vw, 5.5rem);
    background:
      radial-gradient(ellipse 75% 55% at 50% 0%, rgba(132, 204, 22, 0.15), transparent 68%),
      linear-gradient(180deg, #FCFEF9 0%, #FFFFFF 100%);
    border-block-end: 1px solid var(--border-subtle);
  }

  .hero-header {
    max-width: 58rem;
    margin-inline: auto;
    text-align: center;
  }

  .hero-title-accent {
    color: var(--brand-primary);
  }

  .hero-subtitle {
    margin-block-start: 1.25rem;
    font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.225rem);
    color: var(--text-secondary);
    max-width: 64ch;
    margin-inline: auto;
  }

  .hero-trust-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem 1.5rem;
    margin-block-start: 1.5rem;
    list-style: none;
    font-size: 0.9rem;
    font-weight: 550;
    color: var(--slate-700);
  }

  .hero-trust-strip li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }

  .check-icon {
    color: var(--brand-primary);
    font-weight: 700;
    flex-shrink: 0;
  }

  /* Scanner Widget Card */
  .scanner-card {
    max-width: 58rem;
    margin-inline: auto;
    margin-block-start: 2.35rem;
    background-color: var(--bg-surface);
    border: 1.5px solid var(--border-brand);
    border-radius: var(--radius-xl);
    padding: clamp(1.35rem, 1rem + 1.5vw, 2.1rem);
    box-shadow: var(--shadow-lg);
  }

  .scanner-card-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-block-end: 1.25rem;
    padding-block-end: 1rem;
    border-block-end: 1px solid var(--slate-100);
  }

  .scanner-badge-title {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--slate-900);
  }

  .status-pill-live {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.28rem 0.75rem;
    border-radius: var(--radius-pill);
    background-color: var(--green-50);
    border: 1px solid var(--green-300);
    color: var(--green-900);
    font-size: 0.78rem;
    font-weight: 600;
  }

  .scanner-form-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr auto;
    gap: 0.9rem;
    align-items: end;
  }

  @media (max-width: 56rem) {
    .scanner-form-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .form-field {
    display: flex;
    flex-direction: column;
    text-align: start;
  }

  .form-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate-800);
    margin-block-end: 0.2rem;
  }

  .field-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-block-end: 0.35rem;
  }

  .input-control,
  .select-control {
    width: 100%;
    min-block-size: 3.15rem;
    padding: 0.7rem 0.95rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--slate-900);
    background-color: var(--slate-50);
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-md);
    transition: border-color 0.15s ease, background-color 0.15s ease;
  }

  @media (pointer: coarse) {
    .input-control,
    .select-control {
      min-block-size: 3.25rem;
    }
  }

  .input-control:focus,
  .select-control:focus {
    background-color: #FFFFFF;
    border-color: var(--brand-primary);
  }

  .input-control:is(:user-invalid, .user-invalid-fallback) {
    border-color: var(--red-600);
    background-color: var(--red-50);
  }

  .input-control:is(:user-valid, .user-valid-fallback) {
    border-color: var(--brand-primary);
  }

  .field-error {
    display: none;
    font-size: 0.8125rem;
    font-weight: 550;
    color: var(--red-700);
    margin-block-start: 0.35rem;
  }

  .input-control:is(:user-invalid, .user-invalid-fallback) + .field-error,
  .form-field.has-error .field-error {
    display: block;
  }

  .scanner-submit-btn {
    min-block-size: 3.15rem;
    padding-inline: 1.6rem;
    white-space: nowrap;
  }

  .scanner-quick-demos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    margin-block-start: 1rem;
    font-size: 0.825rem;
    color: var(--text-muted);
  }

  .demo-chip {
    appearance: none;
    border: 1px solid var(--slate-300);
    background-color: var(--slate-50);
    color: var(--slate-700);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.28rem 0.7rem;
    min-block-size: 1.9rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  }

  .demo-chip:hover:not(:disabled) {
    border-color: var(--border-brand);
    background-color: var(--green-50);
    color: var(--green-900);
  }

  .rdg-disclaimer {
    margin-block-start: 1rem;
    padding-block-start: 0.85rem;
    border-block-start: 1px dashed var(--border-subtle);
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-muted);
  }

  /* Live Scanner Progress Panel (Clean Sans UI + Tabular Numbers) */
  .scanner-live-panel {
    margin-block-start: 1.5rem;
    background-color: var(--infra-900);
    color: var(--text-on-dark);
    border: 1px solid var(--infra-border);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
  }

  .scanner-live-panel[hidden] {
    display: none;
  }

  .scanner-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-block-end: 0.85rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }

  .scanner-progress-track {
    width: 100%;
    height: 0.5rem;
    background-color: var(--infra-800);
    border-radius: var(--radius-pill);
    overflow: hidden;
    margin-block-end: 1.15rem;
  }

  .scanner-progress-bar {
    height: 100%;
    width: var(--scan-progress, 0%);
    background: linear-gradient(90deg, var(--green-600), var(--green-400));
    transition: width 0.3s ease;
  }

  .scanner-steps-list {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    font-size: 0.875rem;
  }

  .scanner-step-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    color: var(--slate-400);
  }

  .scanner-step-item.is-running {
    border-color: var(--green-500);
    color: #FFFFFF;
    background-color: rgba(132, 204, 22, 0.14);
  }

  .scanner-step-item.is-done {
    color: #F3F4F6;
    border-color: rgba(132, 204, 22, 0.28);
  }

  .step-status-tag {
    font-size: 0.75rem;
    padding: 0.18rem 0.6rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    white-space: nowrap;
  }

  .tag-warn {
    background-color: rgba(217, 119, 6, 0.22);
    color: #FCD34D;
    border: 1px solid rgba(245, 158, 11, 0.45);
  }

  .tag-ok {
    background-color: rgba(132, 204, 22, 0.2);
    color: var(--green-300);
    border: 1px solid rgba(132, 204, 22, 0.45);
  }

  .tag-wait {
    background-color: rgba(156, 163, 175, 0.14);
    color: var(--slate-400);
  }

  /* Scanner Result Summary Box */
  .scanner-result-box {
    margin-block-start: 1.25rem;
    padding-block-start: 1.25rem;
    border-block-start: 1px solid var(--infra-border);
  }

  .scanner-result-box[hidden] {
    display: none;
  }

  .result-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.35rem;
    align-items: center;
  }

  @media (max-width: 44rem) {
    .result-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .score-gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.15rem 1.35rem;
    border-radius: var(--radius-lg);
    background-color: rgba(217, 119, 6, 0.14);
    border: 1.5px solid rgba(245, 158, 11, 0.55);
    text-align: center;
    min-inline-size: 10.5rem;
  }

  .score-gauge.is-high {
    background-color: rgba(132, 204, 22, 0.16);
    border-color: var(--green-500);
  }

  .score-number {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    color: #FCD34D;
  }

  .score-gauge.is-high .score-number {
    color: var(--green-400);
  }

  .score-label {
    margin-block-start: 0.35rem;
    font-size: 0.78rem;
    font-weight: 650;
    color: #FDE68A;
  }

  .score-gauge.is-high .score-label {
    color: var(--green-200);
  }

  .result-details h3 {
    color: #FFFFFF;
    font-size: 1.15rem;
    margin-block-end: 0.45rem;
  }

  .result-details p {
    font-size: 0.92rem;
    color: var(--text-on-dark-muted);
    margin-block-end: 0.85rem;
  }

  .gateway-preview-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: var(--infra-800);
    border: 1px solid var(--green-500);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--green-200);
  }

  /* --- Interactive Comparison Section --- */
  .comparison-wrapper {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: stretch;
  }

  @media (max-width: 58rem) {
    .comparison-wrapper {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .comp-panel {
    border-radius: var(--radius-xl);
    padding: 1.65rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .comp-panel-blind {
    background-color: #FFFFFF;
    border: 1.5px solid #FDBA74;
    box-shadow: var(--shadow-sm);
  }

  .comp-panel-ready {
    background-color: var(--infra-900);
    color: var(--text-on-dark);
    border: 1.5px solid var(--green-500);
    box-shadow: var(--shadow-lg);
  }

  .comp-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-block-end: 1rem;
  }

  .comp-badge-bad {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.75rem;
    border-radius: var(--radius-pill);
    background-color: var(--amber-50);
    border: 1px solid #F59E0B;
    color: var(--amber-700);
    font-size: 0.78rem;
    font-weight: 650;
    white-space: nowrap;
  }

  .comp-badge-good {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.75rem;
    border-radius: var(--radius-pill);
    background-color: rgba(132, 204, 22, 0.18);
    border: 1px solid var(--green-500);
    color: var(--green-300);
    font-size: 0.78rem;
    font-weight: 650;
    white-space: nowrap;
  }

  .comp-panel-ready h3 {
    color: #FFFFFF;
  }

  .code-window {
    margin-block: 1rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--slate-200);
    background-color: #F9FAFB;
  }

  .comp-panel-ready .code-window {
    border-color: var(--infra-border);
    background-color: #0B100C;
  }

  .code-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    padding: 0.5rem 0.65rem;
    background-color: var(--infra-950);
    border-block-end: 1px solid var(--infra-border);
  }

  .code-tab-btn {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-on-dark-muted);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    min-block-size: 2rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
  }

  .code-tab-btn:hover:not(:disabled) {
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.08);
  }

  .code-tab-btn[aria-selected="true"] {
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
    font-weight: 700;
  }

  .code-window pre {
    padding: 1rem 1.1rem;
    font-size: 0.79rem;
    line-height: 1.55;
    white-space: pre;
    overflow-x: auto;
    max-block-size: 18rem;
  }

  .code-window pre code {
    display: block;
    line-height: 1.55;
  }

  .agent-log-heading {
    display: block;
    margin-bottom: 12px;
    line-height: 1.5;
    position: relative;
    font-weight: 700;
    color: var(--slate-900);
  }

  .comp-panel-blind .code-window pre {
    color: var(--slate-700);
    background-color: #FFFDFB;
  }

  .comp-panel-ready .code-window pre {
    color: #ECFCCB;
  }

  .comp-points {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    font-size: 0.92rem;
    margin-block-start: 0.5rem;
  }

  .comp-points li {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
  }

  /* --- 4 Unfair Advantages Bento Grid --- */
  .bento-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.35rem;
  }

  .bento-card {
    grid-column: span 6;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.25rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .bento-card:hover {
    border-color: var(--border-brand);
    box-shadow: var(--shadow-md);
  }

  .bento-card-featured {
    grid-column: span 7;
    border: 1.5px solid var(--border-brand);
    background: linear-gradient(180deg, #FFFFFF 0%, #F9FEEF 100%);
  }

  .bento-card-secondary {
    grid-column: span 5;
  }

  @media (max-width: 62rem) {
    .bento-card,
    .bento-card-featured,
    .bento-card-secondary {
      grid-column: span 12;
    }
  }

  .bento-icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-md);
    background-color: var(--green-100);
    border: 1px solid var(--green-300);
    color: var(--green-900);
    margin-block-end: 0.9rem;
  }

  .bento-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-block-start: 0.5rem;
  }

  /* Interactive ROI Mini-Widget inside Bento 1 */
  .roi-mini-widget {
    background-color: var(--infra-900);
    color: var(--text-on-dark);
    border-radius: var(--radius-lg);
    padding: 1.15rem 1.25rem;
    border: 1px solid var(--infra-border);
  }

  .roi-top-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    padding-block-end: 0.8rem;
    margin-block-end: 0.8rem;
    border-block-end: 1px solid var(--infra-border);
  }

  .roi-amount {
    font-size: 1.6rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--green-400);
  }

  .roi-lead-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.875rem;
  }

  .integration-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    list-style: none;
  }

  .integration-tag {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-pill);
    background-color: var(--slate-100);
    color: var(--slate-700);
    border: 1px solid var(--slate-200);
  }

  /* --- Universal Industries, Solar EU Servers & Statutory AI Training --- */
  .infra-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-block-end: 2.5rem;
  }

  @media (max-width: 56rem) {
    .infra-stats-bar {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 32rem) {
    .infra-stats-bar {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .infra-stat-card {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--infra-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
  }

  .infra-stat-val {
    font-size: 1.5rem;
    font-weight: 750;
    font-variant-numeric: tabular-nums;
    color: var(--green-400);
    display: block;
    letter-spacing: -0.015em;
  }

  .infra-stat-lbl {
    font-size: 0.86rem;
    color: var(--text-on-dark-muted);
    margin-block-start: 0.25rem;
    display: block;
  }

  .cv-card {
    background-color: rgba(31, 41, 32, 0.78);
    border: 1px solid var(--infra-border);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    transition: border-color 0.2s ease, transform 0.15s ease;
  }

  .cv-card:hover {
    border-color: var(--green-500);
    transform: translateY(-2px);
  }

  .cv-tag {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--green-300);
    background-color: rgba(132, 204, 22, 0.15);
    border: 1px solid rgba(163, 230, 53, 0.32);
    padding: 0.22rem 0.65rem;
    border-radius: var(--radius-pill);
    margin-block-end: 0.65rem;
  }

  .cv-card p {
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
    margin-block-start: 0.45rem;
  }

  .cv-norm-foot {
    font-size: 0.78rem;
    font-weight: 550;
    color: var(--green-200);
    padding-block-start: 0.75rem;
    border-block-start: 1px solid rgba(255, 255, 255, 0.09);
  }

  .publisher-banner {
    margin-block-start: 2rem;
    scroll-margin-top: 6rem;
    background: linear-gradient(90deg, rgba(132, 204, 22, 0.2), rgba(22, 30, 22, 0.94));
    border: 1.5px solid var(--green-500);
    border-radius: var(--radius-xl);
    padding: 1.75rem 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.35rem;
  }

  .training-price-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
    font-size: 0.84rem;
    font-weight: 750;
    font-variant-numeric: tabular-nums;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-pill);
    margin-block-end: 0.65rem;
  }

  .publisher-banner p {
    color: var(--text-on-dark-muted);
    max-width: 64ch;
    margin-block-start: 0.45rem;
    font-size: 0.95rem;
  }

  /* --- Transparent Pricing Matrix --- */
  .billing-toggle-wrap {
    display: flex;
    justify-content: center;
    margin-block-end: 2.25rem;
  }

  .billing-fieldset {
    display: inline-flex;
    align-items: center;
    background-color: #FFFFFF;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-pill);
    padding: 0.25rem;
    gap: 0.25rem;
    box-shadow: var(--shadow-xs);
  }

  .billing-option {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.15rem;
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate-700);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
  }

  .billing-option:has(input:checked) {
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
    font-weight: 700;
    box-shadow: var(--shadow-xs);
  }

  .billing-option:has(input:focus-visible) {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
  }

  .save-badge {
    font-size: 0.74rem;
    font-weight: 700;
    padding: 0.12rem 0.5rem;
    border-radius: var(--radius-pill);
    background-color: var(--logo-dark);
    color: var(--green-400);
  }

  .pricing-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 1.65rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.4rem;
    box-shadow: var(--shadow-xs);
    position: relative;
  }

  .pricing-card-popular {
    border: 2px solid var(--border-brand);
    box-shadow: var(--shadow-md);
    background: linear-gradient(180deg, #F9FEEF 0%, #FFFFFF 30%);
  }

  .popular-ribbon {
    position: absolute;
    inset-block-start: -0.85rem;
    inset-inline-start: 1.5rem;
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
    font-size: 0.76rem;
    font-weight: 750;
    padding: 0.25rem 0.85rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-brand);
  }

  .price-value {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-block: 0.85rem 0.35rem;
  }

  .price-amount {
    font-size: 2.25rem;
    font-weight: 750;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    color: var(--slate-900);
    line-height: 1;
  }

  .price-period {
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .pricing-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-block-end: 1rem;
  }

  .pricing-features {
    list-style: none;
    display: grid;
    gap: 0.55rem;
    font-size: 0.89rem;
    color: var(--slate-700);
  }

  .pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .addons-grid {
    margin-block-start: 1.75rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }

  @media (max-width: 58rem) {
    .addons-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .addon-box {
    background-color: #FFFFFF;
    border: 1px solid var(--green-300);
    border-radius: var(--radius-lg);
    padding: 1.35rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.9rem;
    box-shadow: var(--shadow-xs);
  }

  .addon-box-featured {
    border: 2px solid var(--border-brand);
    background: linear-gradient(180deg, #F9FEEF 0%, #FFFFFF 45%);
  }

  .addon-price {
    font-weight: 750;
    font-variant-numeric: tabular-nums;
    color: var(--brand-primary);
    font-size: 1.08rem;
  }

  /* --- FAQ Exclusive Accordion (<details>) --- */
  .faq-list {
    max-width: 54rem;
    margin-inline: auto;
    display: grid;
    gap: 0.85rem;
  }

  .faq-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.15s ease;
  }

  .faq-item[open] {
    border-color: var(--border-brand);
    box-shadow: var(--shadow-sm);
  }

  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.4rem;
    min-block-size: 3.5rem;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--slate-900);
    cursor: pointer;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-pill);
    background-color: var(--green-100);
    color: var(--green-900);
    font-weight: 700;
    font-size: 1.05rem;
    flex-shrink: 0;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .faq-item[open] summary::after {
    content: "−";
    background-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
  }

  .faq-body {
    padding: 0 1.4rem 1.3rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 72ch;
  }

  /* --- Legal Footer --- */
  .site-footer {
    background-color: var(--logo-dark);
    color: var(--text-on-dark);
    padding-block: 3.5rem 2.25rem;
    border-block-start: 1px solid var(--infra-border);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
    gap: 2rem;
    padding-block-end: 2.5rem;
    border-block-end: 1px solid var(--infra-border);
  }

  @media (max-width: 58rem) {
    .footer-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 36rem) {
    .footer-grid {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .footer-col h3 {
    color: #FFFFFF;
    font-size: 0.98rem;
    margin-block-end: 0.9rem;
  }

  .footer-col p,
  .footer-col address {
    font-style: normal;
    font-size: 0.885rem;
    color: var(--text-on-dark-muted);
    line-height: 1.65;
  }

  .footer-col address a {
    color: var(--green-400);
  }

  .footer-links {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    font-size: 0.885rem;
  }

  .footer-links a,
  .footer-link-btn {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--text-on-dark-muted);
    font-family: var(--font-sans);
    font-size: 0.885rem;
    text-decoration: none;
    cursor: pointer;
    padding-block: 0.2rem;
    text-align: start;
  }

  .footer-links a:hover,
  .footer-link-btn:hover {
    color: var(--green-400);
    text-decoration: underline;
  }

  .footer-proto-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .footer-proto-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.84rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: #ECFCCB;
  }

  .footer-proto-dot {
    color: var(--green-500);
    font-size: 0.78rem;
    line-height: 1;
    text-shadow: 0 0 8px var(--green-500);
  }

  .footer-proto-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.95rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(132, 204, 22, 0.5);
    background-color: rgba(132, 204, 22, 0.12);
    color: #F7FEE7;
    font-family: var(--font-sans);
    font-size: 0.84rem;
    font-weight: 600;
    line-height: 1.35;
    text-align: start;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  }

  .footer-proto-btn:hover:not(:disabled) {
    background-color: rgba(132, 204, 22, 0.24);
    border-color: var(--green-400);
    color: #FFFFFF;
  }

  .footer-bottom {
    padding-block-start: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.825rem;
    color: var(--slate-400);
  }

  /* --- Native Modal Dialogs (Impressum, Datenschutz, Protokolle, Onboarding) --- */
  .modal-dialog {
    margin: auto;
    width: min(92vw, 46rem);
    max-block-size: 86vh;
    border: 1.5px solid var(--border-brand);
    border-radius: var(--radius-xl);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
  }

  .modal-dialog:modal {
    overscroll-behavior: contain;
  }

  .modal-dialog-wide {
    width: min(94vw, 56rem);
  }

  .modal-dialog::backdrop {
    background-color: rgba(17, 22, 18, 0.68);
    backdrop-filter: blur(4px);
    overflow: hidden;
    overscroll-behavior: contain;
  }

  .modal-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background-color: var(--slate-50);
    border-block-end: 1px solid var(--border-subtle);
  }

  .modal-header h2 {
    font-size: 1.2rem;
  }

  .modal-close-btn {
    appearance: none;
    border: 1px solid var(--border-strong);
    background-color: #FFFFFF;
    color: var(--slate-800);
    min-block-size: 2.5rem;
    min-inline-size: 2.5rem;
    padding-inline: 0.9rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-sans);
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
  }

  .modal-close-btn:hover:not(:disabled) {
    background-color: var(--green-50);
    border-color: var(--border-brand);
    color: var(--slate-900);
  }

  .modal-body {
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
    font-size: 0.94rem;
    color: var(--slate-800);
  }

  .modal-body h3 {
    font-size: 1.02rem;
    color: var(--slate-900);
    margin-block-start: 0.4rem;
  }

  .legal-dl {
    display: grid;
    grid-template-columns: minmax(10rem, 14rem) 1fr;
    gap: 0.55rem 1rem;
    padding: 1.1rem;
    background-color: var(--slate-50);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: visible;
    overflow-wrap: anywhere;
  }

  @media (max-width: 36rem) {
    .legal-dl {
      grid-template-columns: minmax(0, 1fr);
    }
  }

  .legal-dl dt {
    font-weight: 700;
    color: var(--slate-900);
  }

  /* Machine-Readable Protocols Modal Viewer */
  .proto-code-shell {
    background-color: #0B100C;
    border: 1px solid var(--infra-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .proto-panel-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    background-color: #121A13;
    border-block-end: 1px solid var(--infra-border);
    font-size: 0.8rem;
    color: var(--text-on-dark-muted);
  }

  .proto-endpoint-badge {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--green-300);
  }

  .proto-raw-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(132, 204, 22, 0.45);
    background-color: rgba(132, 204, 22, 0.14);
    color: #F7FEE7;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  }

  .proto-raw-link:hover {
    background-color: var(--brand-primary-vivid);
    border-color: var(--brand-primary-vivid);
    color: var(--brand-cta-text);
  }

  .proto-code-pre {
    padding: 1.1rem 1.25rem;
    font-size: 0.8rem;
    line-height: 1.58;
    white-space: pre;
    color: #ECFCCB;
    background-color: #0B100C;
    max-block-size: 22rem;
    overflow: auto;
    overscroll-behavior: contain;
  }

  .proto-code-pre code {
    display: block;
    line-height: 1.58;
  }

  /* Forced Colors Mode Fallbacks (Windows High Contrast) */
  @media (forced-colors: active) {
    .btn,
    .lang-btn[aria-pressed="true"],
    .billing-option:has(input:checked),
    .scanner-card,
    .pricing-card,
    .bento-card,
    .modal-dialog {
      border: 2px solid ButtonText;
    }

    .lang-btn[aria-pressed="true"],
    .billing-option:has(input:checked),
    .code-tab-btn[aria-selected="true"] {
      outline: 2px solid Highlight;
    }
  }
}

/* ==========================================================================
   4. UTILITIES LAYER
   ========================================================================== */
@layer utilities {
  .tabular {
    font-variant-numeric: tabular-nums;
  }

  .text-green {
    color: var(--green-400);
  }

  .mt-sm {
    margin-block-start: 0.75rem;
  }

  .mt-md {
    margin-block-start: 1.25rem;
  }
}