/* =========================================
   Reset & Base
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden; /* hier statt body – sonst bricht position:fixed */
}

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.4s, color 0.4s;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 500px 500px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* =========================================
   CSS Variables
   ========================================= */
:root {
  --accent: #4c0dca;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Light theme (default) */
html {
  --bg: #f5f2ed;
  --surface: #eae6df;
  --surface2: #ddd9d2;
  --text: #1a1816;
  --text-secondary: #4a4640;
  --text-super-muted: #4a46403c;
  --text-muted: #8a8680;
  --border: #ccc8c0;
  --sim-stick-color: #1a1816;
  --sim-stick-alpha: 0.18;
  --sim-dot-color: #1a1816;
  --sim-dot-alpha: 0.75;
}

/* Dark theme */
html[data-theme="dark"] {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface2: #1e1e1e;
  --text: #f0ece6;
  --text-secondary: #b8b4ae;
  --text-muted: #6b6660;
  --sim-stick-color: #f0ece6;
  --sim-stick-alpha: 0.35;
  --sim-dot-color: #f0ece6;
  --sim-dot-alpha: 0.75;
  --border: #2a2724;
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-33.333%); }
}

/* =========================================
   Layout
   ========================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* =========================================
   Navigation
   ========================================= */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.85);
  transition: background 0.4s, border-color 0.4s;
}

html:not([data-theme="dark"]) #nav {
  background: rgba(245, 242, 237, 0.85);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.theme-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}

.theme-btn:hover { border-color: var(--text); }

/* =========================================
   Soft Body Canvas – full viewport, behind everything
   ========================================= */
.softbody-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 1;          /* above bg, below nav (100) and container (2) */
  pointer-events: none;
  display: block;
}

/* =========================================
   Hero
   ========================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  animation: fadeIn 0.8s ease;
  position: relative;
  z-index: 2;
}

.hero-image {
  flex-shrink: 0;
}

.hero-avatar-placeholder {
  width: 260px;
  height: 320px;
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}

.hero-avatar {
  width: 260px;
  height: 320px;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero-blur-wrap {
  display: flex;
  align-items: center;
  gap: 48px;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 40px 44px;
}

.hero-text {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 2;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: block;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 28px 0;
}

.hero-title-outline {
  -webkit-text-stroke: 1.5px var(--text);
  color: transparent;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 52ch;
  margin: 0 0 36px 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  background: none;
  color: var(--text);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.btn-secondary:hover { border-color: var(--text); }

.hero-social {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.social-link { transition: color 0.2s; }
.social-link:hover { color: var(--text); }


/* =========================================
   Marquee
   ========================================= */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  margin: 0 -32px;
}

.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* =========================================
   Projects Section
   ========================================= */
.projects-section {
  padding: 80px 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 28px 0;
}

.tag-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 48px;
}

.tag-btn {
  padding: 6px 14px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}

.tag-btn:hover {
  color: var(--text);
  border-color: var(--text);
}

.tag-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tag-btn.all.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 48px 32px;
}

.no-results {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-muted);
  text-align: center;
  padding: 60px 0;
}

/* =========================================
   Project Card
   ========================================= */
.project-card {
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  color: inherit;
}

.project-card:hover { transform: translateY(-4px); }

.card-img-wrap {
  overflow: hidden;
  position: relative;
}

.card-img-wrap .placeholder-img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .placeholder-img { transform: scale(1.03); }

.card-year {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  background: var(--bg);
  padding: 2px 8px;
  opacity: 0.8;
}

.card-body { padding: 16px 0; }

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.tag-chip {
  padding: 3px 10px;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 4px 0;
  color: var(--text);
  transition: color 0.2s;
}

.project-card:hover .card-title { color: var(--accent); }

.card-subtitle {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 8px 0;
  letter-spacing: 0.02em;
}

.card-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

/* =========================================
   Placeholder Image
   ========================================= */
.placeholder-img {
  width: 100%;
  display: block;
  position: relative;
  overflow: hidden;
}

.placeholder-img svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.15;
}

/* =========================================
   Project Detail
   ========================================= */
#view-project {
  padding-top: 100px;
  padding-bottom: 80px;
  animation: fadeIn 0.4s ease;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 0 40px 0;
  transition: color 0.2s;
}

.back-btn:hover { color: var(--accent); }

.project-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.project-detail-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  padding-bottom: 4px;
  margin: 0 0 8px 0;
}

.project-detail-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 0 0 40px 0;
}

.project-hero-img { margin-bottom: 48px; }

.project-hero-caption {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.05em;
}

.project-body {
  display: grid;
  grid-template-columns: 1fr min(65ch, 100%);
  gap: 0 60px;
}

.project-meta-box {
  border: 1px solid var(--border);
  padding: 24px;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.project-meta-box--mobile { display: none; }

.project-meta-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.project-meta-row:first-child { padding-top: 0; }
.project-meta-row:last-child  { border-bottom: none; padding-bottom: 0; }

.project-meta-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.project-meta-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.project-meta-value {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
}

.project-body-text p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0 0 24px 0;
}

.project-gallery-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 48px 0 16px 0;
  display: block;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.project-footer-nav {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}

.project-footer-nav .back-btn {
  padding: 0;
}

/* =========================================
   Footer
   ========================================= */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.footer-link { transition: color 0.2s; }
.footer-link:hover { color: var(--text); }

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
  /* Layout */
  .container { padding: 0 20px; }
  .marquee-wrap { margin: 0 -20px; }

  /* Nav */
  #nav { padding: 14px 20px; }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: 96px;
    padding-bottom: 56px;
  }

  .hero-title {
    font-size: clamp(1.5rem, 9.5vw, 2.3rem);
    margin-bottom: 20px;
  }

  .hero-desc {
    font-size: 0.95rem;
    margin-bottom: 28px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 32px;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
    width: 100%;
  }

  .hero-social {
    gap: 16px;
  }

  /* Projects */
  .projects-section { padding: 56px 0; }

  .section-title { margin-bottom: 20px; }

  .tag-filter { margin-bottom: 32px; }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  /* Project Detail */
  #view-project {
    padding-top: 80px;
    padding-bottom: 56px;
  }

  .back-btn { padding: 0 0 28px 0; }

  .project-detail-subtitle { margin-bottom: 28px; }

  .project-hero-img { margin-bottom: 32px; }

  .project-body {
    grid-template-columns: 1fr;
  }

  .project-body > aside:first-child {
    display: none;
  }

  .project-meta-box--mobile {
    display: block;
    margin-top: 40px;
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-gallery-label { margin-top: 36px; }

  .project-footer-nav { margin-top: 48px; }

  /* Hide simulation and hero image on mobile */
  .softbody-canvas { display: none; }
  .hero-image { display: none; }

  /* Footer */
  .footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 0;
    gap: 12px;
  }
}