:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eaf4ff;
  --text: #0f172a;
  --muted: #334155;
  --brand: #0369a1;
  --brand-strong: #0b3b63;
  --accent: #0f766e;
  --line: #cbd5e1;
  --shadow: 0 12px 30px rgba(8, 35, 61, 0.12);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Bahnschrift", "Aptos", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 8%, #dbeafe 0%, transparent 40%),
    radial-gradient(circle at 90% 0%, #ccfbf1 0%, transparent 30%),
    var(--bg);
  line-height: 1.55;
}

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

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--surface);
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  z-index: 999;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(244, 247, 251, 0.85);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: "Arial Black", "Bahnschrift", sans-serif;
  font-size: 1.45rem;
  color: var(--brand-strong);
  text-decoration: none;
  letter-spacing: 0.4px;
}

.main-nav {
  display: flex;
  gap: 1.1rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.main-nav a:hover {
  color: var(--brand);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  padding: 0.45rem 0.8rem;
  color: var(--text);
}

.hero {
  padding: 3.7rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.4rem;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
}

.eyebrow {
  margin: 0;
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
}

h1 {
  margin: 0.9rem 0 0.8rem;
  line-height: 1.05;
  font-size: clamp(2rem, 4.5vw, 3.7rem);
}

.hero-text {
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-top: 1.2rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 0;
  padding: 0.7rem 1rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(140deg, #0284c7, #0f766e);
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn:disabled {
  opacity: 0.68;
  cursor: not-allowed;
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--brand-strong);
}

.hero-metrics {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.hero-metrics li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.7rem;
}

.hero-metrics strong {
  display: block;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-art {
  background: linear-gradient(160deg, #0f172a, #0b3b63);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(226, 232, 240, 0.55));
}

h2 {
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.card-grid, .example-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card, .example {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 1rem;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.card h3, .example h3 {
  margin-top: 0;
}

.example {
  display: flex;
  flex-direction: column;
}

.tag-row {
  margin-bottom: 0;
  margin-top: auto;
  padding-top: 0.8rem;
}

.tag-row span {
  display: inline-block;
  margin-right: 0.35rem;
  margin-bottom: 0.35rem;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.82rem;
  background: #e0f2fe;
  color: #075985;
}

.carousel-block {
  margin-top: 1.5rem;
}

.carousel-title {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
}

.carousel {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
}

.carousel-viewport {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #ffffff;
  touch-action: pan-y;
  cursor: grab;
}

.carousel-viewport.is-dragging {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  transition: transform 420ms ease;
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.carousel-slide img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background: linear-gradient(130deg, #0b3b63, #0f766e);
  user-select: none;
  -webkit-user-drag: none;
}

.carousel-slide figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 0.9rem 1rem;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.carousel-slide figcaption strong {
  font-size: 1rem;
}

.carousel-slide figcaption span {
  color: var(--muted);
  font-size: 0.92rem;
}

.carousel-btn {
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  color: var(--brand-strong);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
}

.carousel-btn:hover {
  background: #f8fafc;
}

.carousel-dots {
  margin-top: 0.7rem;
  display: flex;
  justify-content: center;
  gap: 0.45rem;
}

.carousel-dots button {
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid #64748b;
  border-radius: 0;
  background: #e2e8f0;
  padding: 0;
  cursor: pointer;
}

.carousel-dots button.is-active {
  background: #0f172a;
  border-color: #0f172a;
}

.model-block {
  margin-top: 2rem;
}

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

.model-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
  overflow: hidden;
  min-width: 0;
}

.model-card-button {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.model-card-button:disabled {
  cursor: not-allowed;
}

.model-card-button:hover .model-thumb img,
.model-card-button:focus-visible .model-thumb img {
  transform: scale(1.04);
}

.model-card-button:hover .model-badge,
.model-card-button:focus-visible .model-badge {
  background: rgba(8, 47, 73, 0.92);
}

.model-card-button:focus-visible {
  outline: 2px solid #0ea5e9;
  outline-offset: -2px;
}

.model-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(130deg, #0b3b63, #0f766e);
  border-bottom: 1px solid var(--line);
}

.model-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 280ms ease;
}

.model-thumb-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.model-thumb.is-fallback,
.model-thumb-empty {
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.model-thumb.is-rendering::after {
  content: "Vorschau wird erstellt";
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  padding: 0.35rem 0.6rem;
  background: rgba(15, 23, 42, 0.8);
  color: #f8fafc;
  font-size: 0.8rem;
  font-weight: 700;
}

.model-thumb-copy {
  max-width: 28rem;
  color: #e2e8f0;
}

.model-thumb-copy h4 {
  margin: 0.5rem 0 0.7rem;
  font-size: 1.4rem;
}

.model-thumb-copy p {
  margin: 0 0 1rem;
  color: #cbd5e1;
}

.model-badge {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  padding: 0.35rem 0.6rem;
  background: rgba(15, 23, 42, 0.8);
  color: #f8fafc;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 200ms ease;
}

.model-copy {
  padding: 1rem;
}

.model-copy h4 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.model-copy p {
  margin: 0;
  color: var(--muted);
}

.model-meta {
  margin-top: 0.7rem;
  font-size: 0.84rem;
}

.model-meta code {
  padding: 0.1rem 0.35rem;
  background: #e2e8f0;
  color: #0f172a;
}

.model-error {
  margin-top: 0.7rem;
  color: #b91c1c;
}

.model-meta a {
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
}

.model-overlay {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 160;
  overscroll-behavior: contain;
}

.model-overlay.is-open {
  display: block;
}

.model-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(8px);
}

.model-overlay-panel {
  position: relative;
  width: min(1400px, 96vw);
  height: min(90vh, 900px);
  max-height: 90dvh;
  margin: 5vh auto;
  background: #111827;
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 30px 60px rgba(2, 6, 23, 0.4);
}

.model-overlay-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.55fr);
  height: 100%;
}

.model-overlay-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid rgba(203, 213, 225, 0.3);
  background: rgba(15, 23, 42, 0.88);
  color: #f8fafc;
  font-size: 1.3rem;
  cursor: pointer;
}

.model-viewer-stage {
  position: relative;
  min-height: 100%;
  background: #2a2a2a;
  overflow: hidden;
}

.model-viewer-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.model-viewer-status {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 1.5rem;
}

.model-viewer-status h4 {
  margin: 0.5rem 0 0.7rem;
  font-size: 1.5rem;
  color: #f8fafc;
}

.model-viewer-status p {
  margin: 0;
  color: #cbd5e1;
}

.model-viewer-copy {
  padding: 1.4rem 1.2rem;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(17, 24, 39, 0.98));
  color: #e2e8f0;
  border-left: 1px solid rgba(148, 163, 184, 0.18);
}

.model-viewer-copy h3 {
  margin: 0.7rem 0 0.8rem;
  font-size: 1.8rem;
}

.model-viewer-copy p {
  color: #cbd5e1;
}

.model-viewer-copy .model-meta code {
  background: rgba(148, 163, 184, 0.16);
  color: #f8fafc;
}

.model-viewer-stats {
  display: grid;
  gap: 0.35rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.model-viewer-stats p {
  margin: 0;
  color: #dbe4f0;
  font-size: 0.95rem;
}

.model-viewer-stats strong {
  color: #f8fafc;
}

.model-viewer-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
  margin-top: 1.2rem;
}

body.viewer-open {
  overflow: hidden;
  overscroll-behavior: contain;
}

@media (max-width: 720px) {
  .model-grid {
    grid-template-columns: 1fr;
  }

  .model-thumb {
    aspect-ratio: 16 / 10;
    max-height: 240px;
  }

  .model-copy {
    padding: 0.85rem;
  }

  .model-copy h4 {
    font-size: 0.95rem;
  }

  .model-copy p {
    font-size: 0.92rem;
  }

  .model-overlay {
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  }

  .model-overlay-panel {
    width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    border: 0;
  }

  .model-overlay-close {
    top: max(0.75rem, env(safe-area-inset-top));
    right: max(0.75rem, env(safe-area-inset-right));
    width: 2.8rem;
    height: 2.8rem;
  }

  .model-viewer-stage {
    min-height: min(54dvh, 460px);
  }

  .model-viewer-copy {
    padding-bottom: calc(1.2rem + env(safe-area-inset-bottom));
  }

  .model-viewer-actions .btn {
    min-height: 2.9rem;
  }
}

.skills-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.skills-list li {
  position: relative;
  margin: 0;
  padding: 0.8rem 0.9rem;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.skill-title {
  display: block;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.skill-desc {
  display: block;
  margin-top: 0.38rem;
  padding-top: 0.15rem;
  color: rgba(51, 65, 85, 0.88);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.45;
  max-width: 44ch;
}

.cta-box {
  background: linear-gradient(160deg, #083344, #0f172a);
  color: #e2e8f0;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 1.4rem;
}

.cta-box p {
  max-width: 70ch;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1rem 0;
}

.small-note {
  font-size: 0.88rem;
  color: #cbd5e1;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 120;
}

.modal.is-open {
  display: block;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.68);
}

.modal-panel {
  position: relative;
  margin: min(6vh, 3rem) auto;
  width: min(700px, 92vw);
  max-height: 88vh;
  overflow: auto;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: 0 30px 60px rgba(2, 6, 23, 0.35);
  padding: 1.2rem;
}

.modal-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 0;
  width: 2rem;
  height: 2rem;
  font-size: 1.2rem;
  cursor: pointer;
}

.modal-note {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.offer-form {
  display: grid;
  gap: 0.55rem;
}

.offer-form label {
  font-weight: 700;
  margin-top: 0.35rem;
}

.offer-form input,
.offer-form textarea {
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.65rem;
  font-family: inherit;
  font-size: 0.96rem;
  color: var(--text);
  background: #ffffff;
}

.offer-form textarea {
  resize: vertical;
}

.offer-form input:focus,
.offer-form textarea:focus,
.modal-close:focus {
  outline: 2px solid #0ea5e9;
  outline-offset: 1px;
}

.file-hint {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

#offerStatus {
  min-height: 1.1rem;
}

.file-list {
  margin: 0.2rem 0 0;
  padding-left: 1.1rem;
  min-height: 1rem;
}

.file-list li {
  font-size: 0.9rem;
  color: #1e293b;
}

.offer-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 140;
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.22);
  padding: 0.9rem;
}

.cookie-banner h2 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
}

.cookie-banner p {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.cookie-actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.cookie-manage {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 130;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--brand-strong);
  border-radius: 0;
  padding: 0.5rem 0.7rem;
  cursor: pointer;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: none;
}

.cookie-modal.is-open {
  display: block;
}

.cookie-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.65);
}

.cookie-modal-panel {
  position: relative;
  width: min(680px, 92vw);
  margin: min(8vh, 3rem) auto;
  background: #ffffff;
  border: 1px solid var(--line);
  padding: 1rem;
  max-height: 86vh;
  overflow: auto;
}

.cookie-rows {
  display: grid;
  gap: 0.7rem;
  margin: 0.8rem 0 1rem;
}

.cookie-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  align-items: start;
  border: 1px solid var(--line);
  padding: 0.65rem;
}

.cookie-row strong {
  display: block;
}

.cookie-row p {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.1);
  background: #f8fafc;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.footer-wrap a {
  color: var(--brand-strong);
  text-decoration: none;
  margin-left: 1rem;
}

.legal-page {
  min-height: 100vh;
}

.legal-main {
  padding: 2.5rem 0 3rem;
}

.legal-main h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.legal-main h2 {
  margin-top: 1.5rem;
  font-size: 1.25rem;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: riseIn 520ms ease both;
  }
  .hero-art {
    animation: riseIn 640ms ease both;
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 940px) {
  .hero-grid,
  .card-grid,
  .example-grid {
    grid-template-columns: 1fr;
  }

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

  .carousel-btn {
    width: 100%;
    height: 2.2rem;
  }

  .model-overlay-panel {
    width: min(96vw, 900px);
    height: min(92vh, 920px);
    margin: 4vh auto;
  }

  .model-overlay-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(320px, 1fr) auto;
  }

  .model-viewer-copy {
    border-left: 0;
    border-top: 1px solid rgba(148, 163, 184, 0.18);
  }

  .skills-list {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    left: 4vw;
    right: 4vw;
    top: 78px;
    display: none;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 0;
    padding: 0.7rem;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }
}