:root {
  --bg: #05070b;
  --bg2: #080f1e;
  --panel: rgba(8, 12, 23, .72);
  --panel-strong: rgba(10, 16, 32, .9);
  --text: #f4f7fb;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, .20);
  --accent: #7c3aed;
  --accent-2: #06b6d4;
  --accent-3: #22c55e;
  --danger: #fb7185;
  --accent-text: #ffffff;
  --mx: 50vw;
  --my: 30vh;
  --hue: 265;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -5;
  background:
    radial-gradient(900px circle at var(--mx) var(--my), hsla(var(--hue), 95%, 62%, .42), transparent 34%),
    radial-gradient(700px circle at calc(var(--mx) + 18vw) calc(var(--my) + 12vh), rgba(6, 182, 212, .24), transparent 38%),
    linear-gradient(135deg, #05070b 0%, #0b1020 46%, #070812 100%);
  transition: background .18s linear;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -4;
  background-image:
    radial-gradient(circle at center, transparent 0 42%, rgba(0,0,0,.62) 100%);
  background-size: 100% 100%;
  opacity: .95;
}

.cursor-glow {
  position: fixed;
  width: 520px;
  height: 520px;
  left: var(--mx);
  top: var(--my);
  transform: translate(-50%, -50%);
  border-radius: 999px;
  pointer-events: none;
  background:
    radial-gradient(circle, hsla(var(--hue), 100%, 68%, .38), rgba(6,182,212,.22) 33%, transparent 68%);
  filter: blur(22px) saturate(1.3);
  z-index: -2;
  transition: width .25s ease, height .25s ease, opacity .25s ease;
}

.cursor-ring {
  position: fixed;
  width: 34px;
  height: 34px;
  left: var(--mx);
  top: var(--my);
  transform: translate(-50%, -50%);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.42);
  box-shadow: 0 0 26px hsla(var(--hue), 100%, 65%, .55);
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: screen;
}

.spotlight-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(360px circle at var(--mx) var(--my), rgba(255,255,255,.10), transparent 58%),
    conic-gradient(from 180deg at var(--mx) var(--my), transparent 0deg, hsla(var(--hue), 100%, 60%, .16) 65deg, transparent 135deg, rgba(6,182,212,.12) 240deg, transparent 320deg);
  opacity: .95;
}


.network-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  pointer-events: none;
  opacity: .95;
}

::selection { background: hsla(var(--hue), 95%, 62%, .45); }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 11, .62);
  backdrop-filter: blur(22px);
}

.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; }
.logo { font-family: "JetBrains Mono", monospace; font-size: 1.35rem; font-weight: 800; letter-spacing: -.04em; text-shadow: 0 0 22px hsla(var(--hue),100%,70%,.8); }
.logo span { color: hsl(var(--hue), 100%, 72%); }
.nav-links { display: flex; align-items: center; gap: 1.4rem; color: var(--muted); font-size: .95rem; }
.nav-links a { font-family: "JetBrains Mono", monospace; transition: .2s ease; }
.nav-links a:hover { color: #fff; text-shadow: 0 0 18px hsla(var(--hue),100%,70%,.8); }
.nav-cta { color: #fff !important; background: linear-gradient(135deg, hsl(var(--hue),90%,58%), var(--accent-2)); padding: .72rem 1.05rem; border-radius: 999px; font-weight: 800; box-shadow: 0 0 28px hsla(var(--hue), 90%, 58%, .32); }
.nav-toggle { display: none; border: 1px solid var(--line); color: var(--text); background: var(--panel); border-radius: 12px; padding: .55rem .75rem; font-size: 1.2rem; }

.hero { min-height: calc(100vh - 72px); display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 4rem; padding: 5rem 0; }
.eyebrow { display: inline-flex; color: #fff; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.065); border-radius: 999px; padding: .45rem .8rem; font-family: "JetBrains Mono", monospace; font-size: .85rem; font-weight: 700; box-shadow: inset 0 0 26px hsla(var(--hue), 90%, 58%, .12); }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 6.2rem); line-height: .95; letter-spacing: -.08em; margin-bottom: 1.5rem; }
h1 span { color: hsl(var(--hue), 100%, 74%); text-shadow: 0 0 32px hsla(var(--hue), 100%, 64%, .75); }
.hero-text { max-width: 650px; color: var(--muted); font-size: 1.15rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 16px; padding: .95rem 1.2rem; font-weight: 900; transition: .22s ease; position: relative; overflow: hidden; }
.button::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,.38), transparent); transform: translateX(-120%); transition: .45s ease; }
.button:hover { transform: translateY(-3px); box-shadow: 0 0 38px hsla(var(--hue), 90%, 58%, .35); }
.button:hover::after { transform: translateX(120%); }
.primary { background: linear-gradient(135deg, hsl(var(--hue),90%,58%), var(--accent-2)); color: #fff; }
.secondary { border: 1px solid var(--line); background: rgba(255,255,255,.06); color: var(--text); }

.hero-card, .project-card, .skills-grid span, .search, .empty {
  box-shadow: 0 28px 90px rgba(0,0,0,.44), inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-card { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.035)); border-radius: 30px; padding: 2rem; position: relative; overflow: hidden; transform-style: preserve-3d; }
.hero-card::before { content: "const portfolio = { cursor: 'reactive', mode: 'vertex' };"; position: absolute; right: -55px; bottom: 18px; font-family: "JetBrains Mono", monospace; color: hsla(var(--hue), 100%, 76%, .14); font-size: 1.18rem; transform: rotate(-8deg); white-space: nowrap; }
.hero-card::after, .project-card::after, .skills-grid span::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(480px circle at var(--local-x, 50%) var(--local-y, 50%), hsla(var(--hue), 100%, 70%, .25), transparent 42%);
  opacity: 0;
  transition: opacity .18s ease;
}
.hero-card:hover::after, .project-card:hover::after, .skills-grid span:hover::after { opacity: 1; }
.terminal-bar { display: flex; gap: .5rem; margin-bottom: 1.2rem; }
.terminal-bar span { width: 12px; height: 12px; border-radius: 50%; background: hsl(var(--hue), 90%, 62%); box-shadow: 0 0 12px hsla(var(--hue),90%,62%,.8); }
.terminal-bar span:nth-child(2) { background: var(--accent-2); }
.terminal-bar span:nth-child(3) { background: var(--danger); }
.card-label { color: var(--muted); margin-bottom: .5rem; font-family: "JetBrains Mono", monospace; }
.hero-card h2 { font-size: 2rem; letter-spacing: -.04em; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: .8rem; margin-top: 2rem; }
.stats div { border: 1px solid var(--line); background: rgba(0,0,0,.22); border-radius: 18px; padding: 1rem; }
.stats strong { display: block; font-size: 2rem; color: hsl(var(--hue), 100%, 74%); }
.stats span { color: var(--muted); font-size: .85rem; }

.section { padding: 6rem 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section h2 { font-size: clamp(2.2rem, 4vw, 4rem); letter-spacing: -.06em; margin-bottom: .6rem; }
.section-head p:not(.eyebrow) { color: var(--muted); max-width: 650px; line-height: 1.7; }
.search { width: min(360px,100%); border: 1px solid var(--line); border-radius: 16px; background: rgba(5,7,11,.72); color: var(--text); padding: 1rem 1.1rem; outline: none; font-family: "JetBrains Mono", monospace; }
.search:focus { border-color: hsl(var(--hue), 100%, 70%); box-shadow: 0 0 30px hsla(var(--hue), 90%, 58%, .24); }
.filters { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: 2rem; }
.filter-btn { border: 1px solid var(--line); background: rgba(255,255,255,.055); color: var(--muted); border-radius: 999px; padding: .7rem 1rem; cursor: pointer; font-weight: 800; font-family: "JetBrains Mono", monospace; transition: .18s ease; }
.filter-btn:hover { color: #fff; border-color: hsla(var(--hue),90%,68%,.75); box-shadow: 0 0 22px hsla(var(--hue),90%,58%,.18); }
.filter-btn.active { background: linear-gradient(135deg, hsl(var(--hue),90%,58%), var(--accent-2)); color: #fff; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.25rem; }
.project-card { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.035)); border-radius: 26px; padding: 1.5rem; transition: transform .22s ease, border-color .22s ease, background .22s ease; position: relative; overflow: hidden; transform-style: preserve-3d; }
.project-card::before { content: ""; position: absolute; inset: -1px; background: radial-gradient(520px circle at var(--local-x, 50%) var(--local-y, 50%), hsla(var(--hue),100%,65%,.28), transparent 42%); opacity: 0; transition: .2s ease; pointer-events: none; }
.project-card:hover { border-color: hsla(var(--hue),100%,70%,.65); background: rgba(11, 16, 32, .88); }
.project-card:hover::before { opacity: 1; }
.project-card > * { position: relative; z-index: 1; }
.project-meta { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.badge { color: var(--muted); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; padding: .35rem .65rem; font-size: .78rem; font-weight: 800; font-family: "JetBrains Mono", monospace; }
.badge.featured { background: linear-gradient(135deg, hsl(var(--hue),90%,58%), var(--accent-2)); color: #fff; }
.project-card h3 { font-size: 1.6rem; letter-spacing: -.04em; margin: 0 0 .7rem; }
.project-card p { color: var(--muted); line-height: 1.7; }
.tech { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.2rem 0; }
.tech span { border: 1px solid var(--line); border-radius: 12px; padding: .4rem .65rem; color: #eef2ff; font-family: "JetBrains Mono", monospace; font-size: .82rem; }
.project-links { display: flex; gap: .7rem; margin-top: 1.3rem; }
.project-links a { font-weight: 900; border-radius: 14px; padding: .7rem .9rem; border: 1px solid var(--line); }
.project-links a:first-child { background: linear-gradient(135deg, hsl(var(--hue),90%,58%), var(--accent-2)); color: #fff; }
.empty { display: none; color: var(--muted); border: 1px solid var(--line); background: var(--panel); padding: 2rem; border-radius: 24px; text-align: center; }

.skills-grid { display: flex; flex-wrap: wrap; gap: .8rem; }
.skills-grid span { border: 1px solid var(--line); background: rgba(255,255,255,.055); border-radius: 16px; padding: 1rem 1.2rem; font-weight: 900; font-family: "JetBrains Mono", monospace; position: relative; overflow: hidden; transition: .2s ease; }
.skills-grid span:hover { transform: translateY(-3px); color: #fff; border-color: hsla(var(--hue),100%,70%,.75); }
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; border-top: 1px solid var(--line); }
.about p:last-child { color: var(--muted); line-height: 1.85; font-size: 1.05rem; }
.contact { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.035); }
.contact-inner { padding: 5rem 0; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.contact p:not(.eyebrow) { color: var(--muted); line-height: 1.7; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 2rem 0; color: var(--muted); }
.footer div { display: flex; gap: 1rem; }
.footer a:hover { color: hsl(var(--hue), 100%, 74%); }

.reveal { opacity: 0; transform: translateY(18px); transition: .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (hover: none) {
  .cursor-ring { display: none; }
  :root { --mx: 50vw; --my: 22vh; }
}

@media (max-width: 850px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; left: 20px; right: 20px; top: 78px; flex-direction: column; align-items: stretch; border: 1px solid var(--line); background: #070b14; border-radius: 22px; padding: 1rem; }
  .nav-links.open { display: flex; }
  .hero, .about { grid-template-columns: 1fr; }
  .hero { min-height: auto; gap: 2rem; }
  .section-head, .contact-inner, .footer { flex-direction: column; align-items: flex-start; }
  .project-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}

/* Projekt-Detailseiten */
.project-detail-page {
  min-height: 100vh;
}

.project-hero {
  padding: 6rem 0 3rem;
}

.back-link {
  display: inline-flex;
  margin-bottom: 2rem;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
  transition: .2s ease;
}

.back-link:hover {
  color: #fff;
  text-shadow: 0 0 18px hsla(var(--hue),100%,70%,.8);
}

.project-detail-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 4rem;
}

.project-side-card {
  min-height: 320px;
}

.detail-info-list {
  display: grid;
  gap: .85rem;
  margin-top: 2rem;
}

.detail-info-list div {
  border: 1px solid var(--line);
  background: rgba(0,0,0,.22);
  border-radius: 18px;
  padding: 1rem;
}

.detail-info-list strong {
  display: block;
  font-size: 1.8rem;
  color: hsl(var(--hue), 100%, 74%);
}

.detail-info-list span {
  color: var(--muted);
  font-size: .85rem;
}

.detail-section {
  padding-top: 2rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.detail-panel {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  border-radius: 26px;
  padding: 1.5rem;
  box-shadow: 0 28px 90px rgba(0,0,0,.44), inset 0 1px 0 rgba(255,255,255,.08);
}

.detail-panel h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  letter-spacing: -.05em;
  margin-bottom: 1rem;
}

.detail-panel p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.85;
  font-size: 1.05rem;
}

.feature-list {
  display: grid;
  gap: .75rem;
}

.feature-item {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.055);
  border-radius: 16px;
  padding: 1rem;
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

.detail-tech {
  margin-top: 0;
}

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

.gallery-grid img,
.gallery-placeholder {
  width: 100%;
  min-height: 210px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.26);
  object-fit: cover;
}

.gallery-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

@media (max-width: 850px) {
  .project-detail-layout,
  .detail-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: .2s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 0 80px rgba(0,0,0,.65);
}

.gallery-grid img {
  cursor: pointer;
  transition: .2s ease;
}

.gallery-grid img:hover {
  transform: scale(1.02);
}

.before-after-slider {
  position: relative;
  width: 100%;
  min-height: 430px;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.35);
  box-shadow: 0 28px 90px rgba(0,0,0,.44), inset 0 1px 0 rgba(255,255,255,.08);
  grid-column: 1 / -1;
}

.before-after-slider img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  user-select: none;
  pointer-events: none;
}

.after-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  overflow: hidden;
  clip-path: inset(0 50% 0 0);
}

.ba-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
}

.ba-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 0 24px hsla(var(--hue),100%,70%,.8);
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
}

.ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 46px;
  height: 46px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, hsl(var(--hue),90%,58%), var(--accent-2));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 0 34px hsla(var(--hue),90%,58%,.55);
}

.ba-label {
  position: absolute;
  top: 1rem;
  z-index: 6;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(12px);
  color: #fff;
  border-radius: 999px;
  padding: .45rem .8rem;
  font-family: "JetBrains Mono", monospace;
  font-size: .8rem;
  font-weight: 800;
}

.ba-before {
  left: 1rem;
}

.ba-after {
  right: 1rem;
}


.after-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
}

.solution-logo-wrap {
  margin-top: 1.5rem;
  width: min(260px, 100%);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at center, hsla(var(--hue), 100%, 65%, .20), transparent 58%),
    rgba(255,255,255,.045);
  box-shadow:
    0 28px 90px rgba(0,0,0,.44),
    0 0 42px hsla(var(--hue), 90%, 58%, .22),
    inset 0 1px 0 rgba(255,255,255,.08);
  overflow: hidden;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

.solution-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(
    from 0deg,
    transparent,
    hsla(var(--hue), 100%, 70%, .35),
    transparent,
    rgba(6,182,212,.28),
    transparent
  );
  animation: solutionLogoSpin 7s linear infinite;
}

.solution-logo-wrap::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: rgba(5, 7, 11, .72);
}

.solution-logo {
  position: relative;
  z-index: 1;
  width: 72%;
  height: 72%;
  object-fit: contain;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  -webkit-user-drag: none;
  filter:
    drop-shadow(0 0 18px hsla(var(--hue), 100%, 70%, .55))
    drop-shadow(0 0 32px rgba(6,182,212,.28));
  animation: solutionLogoFloat 3.6s ease-in-out infinite;
}

@keyframes solutionLogoSpin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes solutionLogoFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-8px) scale(1.035);
  }
}