@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --bg: #050505;
  --bg-subtle: #0a0c10;
  --surface: rgba(20, 25, 35, 0.4);
  --line: rgba(255, 255, 255, 0.05);
  --line-bright: rgba(255, 255, 255, 0.12);
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.4);
  --text: #fdfdfd;
  --muted: #848d9a;
  --radius: 20px;
  --shadow-ui: 0 30px 60px -12px rgba(0, 0, 0, 0.6);
  --font-main: "Inter", -apple-system, system-ui, sans-serif;
  --content-width: 1100px;
  --bg-2: var(--bg-subtle);
  --card: var(--surface);
  --card-hover: rgba(20, 25, 35, 0.7);
  --accent-2: #60a5fa;
  --shadow: var(--shadow-ui);
  --glare: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 50% -10%, #1a2235 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, #0a0a0a 0%, transparent 40%);
  min-height: 100vh;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

a {
  color: inherit;
}

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(25px) saturate(180%);
  -webkit-backdrop-filter: blur(25px) saturate(180%);
  background: rgba(5, 5, 5, 0.6);
  border-bottom: 1px solid var(--line);
  z-index: 1000;
  transition: all 0.3s ease;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35);
}

.brand span {
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.85rem;
  background: linear-gradient(120deg, #fff 30%, var(--accent) 50%, #fff 70%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 6s linear infinite;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 0.92rem;
  margin: 0 auto;
}

.lang-toggle {
  margin-left: auto;
}

.nav-toggle {
  margin-left: 16px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  transition: all 0.2s ease;
  padding: 8px 4px;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

.nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
  width: 44px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  box-shadow: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.nav-toggle .nav-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-toggle:focus-visible {
  outline: 2px solid rgba(77, 163, 255, 0.7);
  outline-offset: 2px;
}

.nav-toggle:hover {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle.is-open {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.24);
}

.nav-toggle.is-open .nav-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 18, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
  z-index: 100;
}

.mobile-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.lang-toggle {
  display: inline-flex;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
}

.lang-btn {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
}

.lang-btn.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.hero {
  padding: 100px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn {
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn.external::after {
  content: "↗";
  margin-left: 8px;
  font-size: 0.9rem;
  color: inherit;
}

.btn.primary {
  background: #fff;
  color: #000;
  border: none;
  font-weight: 600;
  padding: 16px 32px;
  box-shadow: 0 0 0 0 rgba(255,255,255,0.4);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn.primary:hover {
  transform: scale(1.03);
  box-shadow: 0 20px 40px rgba(255,255,255,0.1), 0 0 15px var(--accent-glow);
  background: #fff;
}

.section {
  padding: 28px 0;
}

.section-title {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.section-title span {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(1.4rem, 1.5vw + 0.8rem, 2rem);
}

.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-offset, 18px)) scale(var(--reveal-scale, 1));
  transition: opacity var(--reveal-duration, 0.75s) var(--reveal-ease, cubic-bezier(0.16, 1, 0.3, 1)),
    transform var(--reveal-duration, 0.75s) var(--reveal-ease, cubic-bezier(0.16, 1, 0.3, 1));
  transition-delay: var(--delay, 0s);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.reveal.soft {
  --reveal-offset: 10px;
  --reveal-duration: 0.6s;
}

.reveal.slow {
  --reveal-offset: 22px;
  --reveal-duration: 0.9s;
}

.reveal.scale {
  --reveal-scale: 0.98;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.cols-3 {
  grid-template-columns: 1fr;
}

.grid.cols-2 {
  grid-template-columns: 1fr;
}

.eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
  display: block;
}

.card-stack {
  display: grid;
  gap: 16px;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 14px;
}

.step-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 20px;
  border-radius: 16px;
  transition: border 0.3s ease;
}

.step-list li:hover {
  border-color: var(--accent);
}

.step-num {
  min-width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.step-list strong {
  display: block;
  font-size: 0.95rem;
}

.step-list p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255,255,255,0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.card:hover {
  border-color: var(--line-bright);
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-ui);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.contact-avatar {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  margin-bottom: 12px;
}

.card-media {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.card p,
.card ul {
  color: var(--muted);
  font-size: 0.95rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 18px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
}

.filter-btn.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: grid;
  gap: 6px;
}

.card-list li {
  color: var(--muted);
  font-size: 0.9rem;
}

.card.is-muted {
  opacity: 0.45;
  filter: grayscale(0.6);
  transform: scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.gallery-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}

.gallery-item span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.85rem;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
}

.table th {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 16px;
}

.table td {
  color: var(--muted);
}

.table-highlight {
  color: var(--text);
  font-weight: 600;
}

.table-wrap {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  overflow-x: auto;
}

.media-slot {
  background: #000;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  overflow: hidden;
}

.media-slot video,
.media-slot img {
  width: 100%;
  border-radius: 14px;
  display: block;
}

.media-slot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, transparent 30%);
  pointer-events: none;
}

.image-strip {
  margin-top: 14px;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #0d1319;
}

.image-strip-track {
  display: flex;
  gap: 12px;
  padding: 10px;
  width: max-content;
  animation: strip-scroll 18s linear infinite;
}

.image-strip-track img {
  width: 140px;
  height: 90px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.code-block {
  background: #0b0f14;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  overflow-x: auto;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.85rem;
  background: linear-gradient(180deg, rgba(9, 12, 18, 0.6) 0%, rgba(9, 12, 18, 0.9) 100%);
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-start;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 420px;
}

.footer-brand {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-heading {
  color: var(--text);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.footer-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  text-align: right;
}

.footer-nav,
.footer-social {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
}

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

.ac-footer {
  padding: 120px 0 60px;
  background: radial-gradient(50% 50% at 50% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 100%);
}

.ac-footer .ac-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
}

.ac-footer .ac-brand {
  max-width: 360px;
}

.ac-footer .ac-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 12px;
}

.ac-footer .ac-logo span {
  color: #e11d48;
}

.ac-footer .ac-tagline {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 20px;
}

.ac-footer .ac-contact {
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ac-footer .ac-contact a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border 0.3s;
}

.ac-footer .ac-contact a:hover {
  border-bottom: 1px solid var(--accent);
}

.ac-footer .separator {
  margin: 0 8px;
  color: var(--line);
}

.footer-lang-toggle {
  display: none;
  margin-top: 6px;
  align-self: flex-start;
}

.ac-footer .ac-links-group {
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.ac-footer .ac-column h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  margin-bottom: 20px;
}

.ac-footer .ac-column a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: transform 0.2s, color 0.2s;
}

.ac-footer .ac-column a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.ac-footer .ac-bottom {
  margin-top: 60px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
}

.ac-footer .ac-bottom-flex {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.ac-footer .ac-status {
  font-style: normal;
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 24px;
}

.ac-status-badge {
  background: #000;
  border: 1px solid var(--line-bright);
  padding: 10px 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  box-shadow: inset 0 0 20px rgba(59, 130, 246, 0.03);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s infinite;
}

@media (max-width: 768px) {
  .ac-footer .ac-container {
    flex-direction: column;
  }

  .ac-footer .ac-links-group {
    gap: 40px;
  }

  .ac-footer .ac-bottom-flex {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-lang-toggle {
    display: inline-flex;
    justify-content: flex-start;
  }
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.4; }
  100% { opacity: 1; }
}

@media (max-width: 840px) {
  .topbar .container {
    flex-direction: row;
    align-items: center;
  }

  .nav-actions {
    width: 100%;
    align-items: center;
    gap: 12px;
    flex-direction: row;
    justify-content: flex-end;
  }

  .brand {
    justify-content: flex-start;
    width: auto;
  }

  .lang-toggle {
    display: none;
  }

  .nav {
    margin: 0;
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 86vw);
    height: 100vh;
    background: var(--bg-2);
    border-left: 1px solid var(--line);
    backdrop-filter: blur(20px);
    padding: 96px 22px 24px;
    gap: 18px;
    flex-direction: column;
    transform: translateX(110%);
    opacity: 0;
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    z-index: 140;
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.35);
  }

  .nav a {
    font-size: 1rem;
    padding: 12px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav.is-open {
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .nav a:hover {
    background: rgba(77, 163, 255, 0.12);
    border-color: rgba(77, 163, 255, 0.4);
  }


  .nav.is-open {
    transform: translateX(0);
    opacity: 1;
  }

  .lang-toggle {
    display: none;
  }

  .nav-toggle {
    margin-left: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .footer-lang-toggle {
    display: inline-flex;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-direction: column;
    text-align: left;
  }
}

@media (min-width: 640px) {
  .grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .container {
    padding: 0 24px;
  }

  .topbar .container {
    padding: 18px 24px;
  }

  .hero {
    padding: 56px 0 20px;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .section {
    padding: 36px 0;
  }
}

@media (min-width: 1280px) {
  .grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@keyframes strip-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- v1.3.0 visual overrides --- */
:root {
  /* Tiefere Farbpalette fuer mehr Dimension */
  --bg: #050505;
  --bg-subtle: #080a0f;
  --surface: rgba(17, 24, 39, 0.5);
  --line: rgba(255, 255, 255, 0.06);
  --line-bright: rgba(59, 130, 246, 0.3);
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --text: #f9fafb;
  --muted: #9ca3af;
  --radius: 16px;

  /* Spring-inspiriert: Sanftere Schatten, staerkere Konturen */
  --shadow-ui: 0 20px 50px -12px rgba(0, 0, 0, 0.8);
  --font-main: "Inter", -apple-system, system-ui, sans-serif;
  --content-width: 1200px;
}

/* --- Global Refinements --- */
body {
  background: var(--bg);
  /* Subtiler Noise/Radial-Effekt fuer Tiefe */
  background-image:
    radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(10, 10, 10, 1) 0%, transparent 40%);
}

/* --- Topbar & Navigation (The Glass Effect) --- */
.topbar {
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  background: rgba(5, 5, 5, 0.7);
  border-bottom: 1px solid var(--line);
}

.brand span {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  /* Subtiler Glow-Effekt auf dem Text */
  color: #fff;
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.nav a {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent);
}

/* --- Cards: Das Herzstueck (Spring-Look) --- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s;
  overflow: hidden;
}

/* Der "Border-Glow" beim Hover */
.card:hover {
  border-color: var(--line-bright);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7);
}

/* Subtiles Glanzlicht in den Karten */
.card::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.03) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s;
}

.card:hover::after {
  opacity: 1;
}

/* --- Typography: Sharp & Professional --- */
h1, h2, h3 {
  letter-spacing: -0.03em;
}

.hero h1 {
  background: linear-gradient(180deg, #ffffff 0%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* --- Tech Specific: Code & Tables --- */
.code-block {
  background: #000;
  border: 1px solid var(--line-bright);
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
  color: #60a5fa; /* Spring Blue */
}

.table-wrap {
  background: rgba(10, 15, 25, 0.8);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

/* --- Buttons: Premium Feel --- */
.btn.primary {
  background: linear-gradient(135deg, #fff 0%, #e2e8f0 100%);
  border: none;
  color: #000;
  box-shadow: 0 10px 25px -5px rgba(255, 255, 255, 0.1);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px var(--accent-glow);
}

/* --- Footer Refinement --- */
.ac-footer {
  border-top: 1px solid var(--line);
  background: #030406;
}

.ac-logo span {
  color: var(--accent); /* Konsistenz statt Rot */
  text-shadow: 0 0 15px var(--accent-glow);
}