    :root {
      /* Soft Teal – Dark Base */
      --bg: #02070c;
      --bg-elevated: #07131f;
      --bg-soft: #0c1b29;
      --bg-chip: rgba(255, 255, 255, 0.04);
      --accent: #2bb3b0;
      --accent-soft: #1a8a87;
      --accent-soft-2: #184b5a;
      --text-main: #f5fbff;
      --text-muted: #9bb3c8;
      --border-soft: rgba(255, 255, 255, 0.06);
      --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.75);
      --radius-lg: 20px;
      --radius-pill: 999px;
      --transition-fast: 0.18s ease-out;
      --transition-med: 0.25s ease-out;
    }

    [data-theme="light"] {
      --bg: #f1f6fa;
      --bg-elevated: #ffffff;
      --bg-soft: #e2edf5;
      --bg-chip: rgba(5, 40, 50, 0.04);
      --accent: #179c98;
      --accent-soft: #106f6c;
      --accent-soft-2: #b4dbe0;
      --text-main: #05131c;
      --text-muted: #5c6f7f;
      --border-soft: rgba(0, 40, 60, 0.09);
      --shadow-soft: 0 18px 40px rgba(1, 20, 40, 0.18);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text-main);
      background:
        radial-gradient(circle at 0% 0%, rgba(111, 255, 232, 0.09), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(33, 150, 160, 0.18), transparent 55%),
        linear-gradient(135deg, #020409, #050b14 55%, #020409);
      background-color: var(--bg);
    }

    [data-theme="light"] body {
      background:
        radial-gradient(circle at 0% 0%, rgba(111, 255, 232, 0.25), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(19, 132, 126, 0.08), transparent 55%),
        linear-gradient(135deg, #f5fafc, #e5f0f7 60%, #f7fbff);
    }

    main {
      max-width: 1120px;
      margin: 32px auto 80px;
      padding: 0 20px 40px;
    }

    .shell {
      border-radius: 26px;
      padding: 22px 22px 30px;
      background: linear-gradient(
          135deg,
          rgba(255, 255, 255, 0.06),
          rgba(255, 255, 255, 0.01)
        );
      border: 1px solid rgba(255, 255, 255, 0.04);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(26px);
    }

    [data-theme="light"] .shell {
      background: linear-gradient(
          135deg,
          rgba(255, 255, 255, 0.9),
          rgba(255, 255, 255, 0.75)
        );
    }

    header.app-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 22px;
    }

    .brand {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .brand-title {
      font-family: "Space Grotesk", system-ui, sans-serif;
      font-size: 1.3rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .brand-sub {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .header-controls {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .pill {
      border-radius: var(--radius-pill);
      padding: 4px 12px;
      border: 1px solid var(--border-soft);
      background: rgba(0, 0, 0, 0.18);
      color: var(--text-muted);
      font-size: 0.78rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    [data-theme="light"] .pill {
      background: rgba(255, 255, 255, 0.75);
    }

    .dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, #ffffff, var(--accent));
      box-shadow: 0 0 10px rgba(0, 255, 213, 0.8);
    }

    .mode-toggle {
      border-radius: var(--radius-pill);
      padding: 4px;
      border: 1px solid var(--border-soft);
      background: var(--bg-soft);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.8rem;
      cursor: pointer;
      position: relative;
      overflow: hidden;
    }

    .mode-toggle span {
      position: relative;
      z-index: 1;
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      transition: color var(--transition-fast);
    }

    .mode-toggle span.is-active {
      background: linear-gradient(135deg, var(--accent), var(--accent-soft));
      color: #021010;
    }

    .mode-toggle-bg {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.12), transparent 55%);
      opacity: 0.25;
    }

    /* Layout */

    .layout {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
      gap: 22px;
    }

    @media (max-width: 880px) {
      .layout {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.08), transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(18, 110, 115, 0.3), transparent 55%),
        linear-gradient(145deg, var(--bg-elevated), var(--bg-soft));
      padding: 22px 22px 20px;
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }

    [data-theme="light"] .card {
      background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 1), transparent 65%),
        radial-gradient(circle at 100% 100%, rgba(182, 228, 233, 0.75), transparent 60%),
        linear-gradient(145deg, var(--bg-elevated), var(--bg-soft));
    }

    .card::before {
      content: "";
      position: absolute;
      inset: -20%;
      background: radial-gradient(circle at 0 0, rgba(111, 255, 232, 0.08), transparent 60%);
      opacity: 0.9;
      mix-blend-mode: screen;
      pointer-events: none;
    }

    .card-inner {
      position: relative;
      z-index: 1;
    }

    h1,
    h2,
    h3 {
      font-family: "Space Grotesk", system-ui, sans-serif;
      margin: 0;
    }

    h1 {
      font-size: clamp(1.9rem, 2.3vw + 1.2rem, 2.4rem);
      line-height: 1.2;
      margin-bottom: 10px;
    }

    .tagline {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 14px 0 18px;
    }

    .chip {
      border-radius: var(--radius-pill);
      padding: 5px 11px;
      font-size: 0.78rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: var(--bg-chip);
      color: var(--text-muted);
      backdrop-filter: blur(14px);
      white-space: nowrap;
    }

    [data-theme="light"] .chip {
      border-color: rgba(0, 20, 30, 0.09);
      background: rgba(255, 255, 255, 0.92);
      color: #435466;
    }

    .chip.chip-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-soft));
      color: #02100f;
      border-color: transparent;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }

    .btn {
      border-radius: var(--radius-pill);
      padding: 9px 16px;
      font-size: 0.85rem;
      border: 1px solid transparent;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      text-decoration: none;
      transition: background var(--transition-med), transform var(--transition-fast), box-shadow var(--transition-med), border-color var(--transition-fast);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--accent-soft));
      color: #021010;
      box-shadow: 0 14px 32px rgba(0, 0, 0, 0.6);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8);
    }

    .btn-ghost {
      background: rgba(0, 0, 0, 0.18);
      border-color: var(--border-soft);
      color: var(--text-muted);
    }

    [data-theme="light"] .btn-ghost {
      background: rgba(255, 255, 255, 0.8);
    }

    .btn-ghost:hover {
      border-color: var(--accent-soft);
      color: var(--accent);
    }

    .btn-icon {
      font-size: 1.1rem;
      line-height: 1;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px 14px;
      margin-top: 18px;
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .meta-label {
      opacity: 0.7;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-size: 0.7rem;
    }

    /* RIGHT COLUMN – Details */

    .section-title {
      font-size: 0.95rem;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    .detail-row {
      margin-bottom: 18px;
    }

    .palette-preview {
      display: flex;
      gap: 8px;
      margin-bottom: 10px;
    }

    .palette-swatch {
      flex: 1;
      height: 34px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.35);
    }

    .palette-swatch.bg-main {
      background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.05), transparent 60%),
        linear-gradient(135deg, #02070c, #07131f);
    }

    .palette-swatch.bg-soft {
      background: radial-gradient(circle at 0 100%, rgba(32, 211, 190, 0.24), transparent 65%),
        linear-gradient(135deg, #07131f, #0c1b29);
    }

    .palette-swatch.bg-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    }

    .palette-swatch.bg-alt {
      background: linear-gradient(135deg, #0b2230, #163647);
    }

    [data-theme="light"] .palette-swatch.bg-main {
      background: linear-gradient(135deg, #eef6fb, #ddebf5);
    }

    [data-theme="light"] .palette-swatch.bg-soft {
      background: linear-gradient(135deg, #ddebf3, #c8dde9);
    }

    [data-theme="light"] .palette-swatch.bg-alt {
      background: linear-gradient(135deg, #c2dde0, #9db9c7);
    }

    .typo-demo-heading {
      font-family: "Space Grotesk", system-ui, sans-serif;
      font-size: 1rem;
      margin: 0 0 4px;
    }

    .typo-demo-body {
      font-size: 0.85rem;
      margin: 0;
      color: var(--text-muted);
    }

    .code-chip {
      font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
      font-size: 0.75rem;
      padding: 7px 9px;
      border-radius: 10px;
      background: rgba(0, 0, 0, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.06);
      color: var(--text-muted);
      overflow-x: auto;
      white-space: nowrap;
    }

    [data-theme="light"] .code-chip {
      background: rgba(255, 255, 255, 0.85);
      border-color: rgba(0, 10, 20, 0.08);
    }

    /* TIMELINE + PROJECTS + SKILLS */

    .sections-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
      gap: 18px;
      margin-top: 22px;
    }

    @media (max-width: 960px) {
      .sections-grid {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .subcard {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-soft);
      background: radial-gradient(circle at 100% 0, rgba(111, 255, 232, 0.08), transparent 60%),
        linear-gradient(145deg, var(--bg-elevated), var(--bg-soft));
      padding: 18px 18px 16px;
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }

    [data-theme="light"] .subcard {
      background: radial-gradient(circle at 100% 0, rgba(153, 233, 222, 0.4), transparent 60%),
        linear-gradient(145deg, var(--bg-elevated), var(--bg-soft));
    }

    .subcard::before {
      content: "";
      position: absolute;
      inset: -18%;
      background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.08), transparent 58%);
      pointer-events: none;
    }

    .subcard-inner {
      position: relative;
      z-index: 1;
    }

    .subcard h2 {
      font-size: 1rem;
      text-transform: uppercase;
      letter-spacing: 0.13em;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    /* Timeline */

    .timeline {
      margin-top: 4px;
      position: relative;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 10px;
      top: 6px;
      bottom: 6px;
      width: 2px;
      background: linear-gradient(to bottom, rgba(255, 255, 255, 0.12), rgba(22, 140, 140, 0.6));
      opacity: 0.85;
    }

    .timeline-item {
      padding-left: 26px;
      margin-bottom: 14px;
      position: relative;
    }

    .timeline-item:last-child {
      margin-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: 4px;
      top: 7px;
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, #ffffff, var(--accent));
      box-shadow: 0 0 10px rgba(109, 255, 228, 0.8);
    }

    .timeline-range {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 2px;
    }

    .timeline-role {
      font-size: 0.9rem;
      font-weight: 600;
    }

    .timeline-meta {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 2px;
    }

    .timeline-note {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* Projects */

    .projects {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 2px;
    }

    .project {
      border-radius: 14px;
      padding: 9px 10px;
      background: rgba(0, 0, 0, 0.28);
      border: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    [data-theme="light"] .project {
      background: rgba(255, 255, 255, 0.92);
      border-color: rgba(0, 20, 30, 0.08);
    }

    .project-header {
      display: flex;
      justify-content: space-between;
      gap: 6px;
      align-items: baseline;
	  margin-bottom: .5em;
    }

    .project-title {
      font-size: 0.9rem;
      font-weight: 500;
    }

    .project-tagline {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .project-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      margin-top: 3px;
    }

    .project-tag {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 999px;
      background: rgba(10, 40, 45, 0.85);
      color: var(--text-muted);
    }

    [data-theme="light"] .project-tag {
      background: rgba(12, 84, 82, 0.12);
      color: #27545a;
    }

    .project-tag.is-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-soft));
      color: #021312;
    }

    /* Skills */

    .skills-groups {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
      gap: 10px;
      margin-top: 4px;
    }

    @media (max-width: 720px) {
      .skills-groups {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .skill-group-title {
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .skill-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .skill-chip {
      border-radius: 999px;
      padding: 4px 10px;
      font-size: 0.75rem;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(1, 12, 16, 0.72);
      color: var(--text-muted);
    }

    [data-theme="light"] .skill-chip {
      background: rgba(255, 255, 255, 0.9);
      border-color: rgba(0, 20, 30, 0.09);
      color: #3d5665;
    }

    .skill-chip.is-strong {
      border-color: var(--accent-soft);
      color: var(--accent);
    }

.project-role {
    margin-top: 4px;
    font-size: 12px;
    color: rgba(220, 233, 245, 0.7);
}

.project-tech-list,
.project-tags {
    margin-top: 6px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    letter-spacing: 0.03em;
    text-transform: none;
    white-space: nowrap;
}

/* Tech: Akzentfarbe Soft Teal */
.project-chip-tech {
    background: rgba(43, 179, 176, 0.14);
    border: 1px solid rgba(43, 179, 176, 0.45);
    color: #2bb3b0;
}

/* Tags: etwas neutraler */
.project-chip-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(200, 215, 230, 0.9);
}

.project-tech-list,
.project-tag-list {
    margin-top: 6px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip-tech {
    background: rgba(43, 179, 176, 0.12);
    border: 1px solid rgba(43, 179, 176, 0.3);
    color: #2bb3b0;
    padding: 3px 8px;
    font-size: 12px;
    border-radius: 6px;
}

.chip-tag {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #8ea7b4;
    padding: 3px 8px;
    font-size: 12px;
    border-radius: 6px;
}


    footer {
      margin-top: 26px;
      font-size: 0.78rem;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
    }

    footer a {
      color: var(--accent);
      text-decoration: none;
    }

    footer a:hover {
      text-decoration: underline;
    }