*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #1a1208;
  --paper: #f5f0e8;
  --amber: #c8740a;
  --sage: #4a6741;
  --slate: #3d4f5c;
  --cream: #ede8dc;
  --rule: rgba(26,18,8,0.15);
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 999; opacity: 0.4;
}

header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 2rem 4rem;
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0;
  background: var(--paper);
  z-index: 100;
  animation: fadeDown 0.6s ease both;
}
.header-left { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.5; }
.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-align: center;
}
nav { display: flex; gap: 2rem; justify-content: flex-end; }
nav a {
  font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none; color: var(--ink); opacity: 0.55;
  transition: opacity 0.2s;
}
nav a:hover { opacity: 1; }

.hero {
  padding: 7rem 4rem 5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  border-bottom: 1px solid var(--rule);
  min-height: 80vh;
  animation: fadeUp 0.8s 0.2s ease both;
  position: relative;
}
.hero::after {
  content: '';
  position: absolute;
  right: 4rem;
  bottom: 3rem;
  width: min(32vw, 340px);
  height: 1px;
  background: linear-gradient(90deg, rgba(26,18,8,0), rgba(26,18,8,0.35));
}
.eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}
.hero-text h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}
.hero-text h1 em {
  font-style: italic;
  color: var(--amber);
}
.hero-desc {
  font-size: 0.8rem;
  line-height: 1.9;
  opacity: 0.65;
  max-width: 38ch;
}
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: flex-end;
}
.hero-note {
  max-width: 22rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--rule);
  background: rgba(255,255,255,0.3);
  backdrop-filter: blur(4px);
}
.hero-note-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.45;
}
.hero-note strong {
  font-size: 0.78rem;
  line-height: 1.7;
  font-weight: 400;
}
.hero-tag {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 4rem;
  opacity: 0.07;
  line-height: 1;
  text-align: right;
}
.hero-chips {
  display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: flex-end;
}
.chip {
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: 99px;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: default;
  transition: background 0.2s, border-color 0.2s;
}
.chip:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip.amber { border-color: var(--amber); color: var(--amber); }
.chip.sage  { border-color: var(--sage);  color: var(--sage); }
.chip.slate { border-color: var(--slate); color: var(--slate); }

section {
  padding: 6rem 4rem;
  border-bottom: 1px solid var(--rule);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
section.visible { opacity: 1; transform: none; }

.section-label {
  font-size: 0.6rem; letter-spacing: 0.25em; text-transform: uppercase;
  opacity: 0.4; margin-bottom: 3rem;
  display: flex; align-items: center; gap: 1rem;
}
.section-label::after {
  content: ''; flex: 1; height: 1px; background: var(--rule);
}
.section-note {
  margin-top: 1.25rem;
  max-width: 40rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.68rem;
  line-height: 1.8;
  letter-spacing: 0.04em;
  opacity: 0.6;
}

.foto-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 300px 300px;
  gap: 0.75rem;
}
.foto-card {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  cursor: pointer;
  background: #1a1208;
  isolation: isolate;
}
.foto-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(0,0,0,0));
  opacity: 0;
  transition: opacity 0.3s;
}
.foto-card:nth-child(1) { grid-column: 1; grid-row: 1 / 3; }
.foto-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}
.foto-card:hover img { transform: scale(1.06); }
.foto-card:hover::after { opacity: 1; }
.foto-meta {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.2rem 1rem 0.9rem;
  background: linear-gradient(transparent, rgba(10,8,5,0.75));
  color: var(--paper); font-size: 0.58rem; letter-spacing: 0.12em;
  text-transform: uppercase; opacity: 0;
  transition: opacity 0.3s;
}
.foto-card:hover .foto-meta { opacity: 1; }

.foto-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
  align-items: end;
}
.foto-intro h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
}
.foto-intro h2 em { font-style: italic; color: var(--amber); }
.foto-intro p { font-size: 0.78rem; line-height: 1.9; opacity: 0.6; }

.code-section { background: var(--ink); color: var(--paper); }
.code-section .section-label { color: var(--paper); opacity: 0.3; }
.code-section .section-label::after { background: rgba(255,255,255,0.1); }

.code-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 4rem;
}
.code-intro h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
}
.code-intro h2 em { font-style: italic; color: var(--amber); }
.code-intro p { font-size: 0.78rem; line-height: 1.9; opacity: 0.55; }

.code-window {
  background: #0d0d0d;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 24px 50px rgba(0,0,0,0.2);
}
.code-bar {
  padding: 0.7rem 1rem;
  background: #1a1a1a;
  display: flex; align-items: center; gap: 0.5rem;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.r { background: #ff5f56; }
.dot.y { background: #ffbd2e; }
.dot.g { background: #27c93f; }
.code-filename { font-size: 0.6rem; margin-left: 0.5rem; opacity: 0.3; letter-spacing: 0.1em; }
.code-status {
  margin-left: auto;
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.35;
}
pre {
  padding: 1.5rem;
  font-size: 0.72rem;
  line-height: 1.8;
  overflow-x: auto;
  font-family: 'DM Mono', monospace;
  min-height: 18rem;
  position: relative;
  white-space: pre-wrap;
}
pre.is-typing::after {
  content: '';
  display: inline-block;
  width: 0.65ch;
  height: 1.1em;
  margin-left: 0.15rem;
  vertical-align: -0.15em;
  background: currentColor;
  animation: blinkCaret 0.85s steps(1) infinite;
}
.kw  { color: #c792ea; }
.fn  { color: #82aaff; }
.str { color: #c3e88d; }
.cm  { color: #546e7a; font-style: italic; }
.num { color: #f78c6c; }

.skills-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem;
}
.skill-badge {
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.2s;
}
.skill-badge:hover { background: rgba(255,255,255,0.06); }
.code-footer-note {
  margin-top: 1rem;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  opacity: 0.55;
}

.bike-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.bike-layout h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.bike-layout h2 em { font-style: italic; color: var(--sage); }
.bike-layout p { font-size: 0.78rem; line-height: 1.9; opacity: 0.6; margin-bottom: 1rem; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}
.stat {
  background: var(--paper);
  padding: 1.5rem;
  transition: background 0.2s;
}
.stat:hover { background: var(--cream); }
.stat-num {
  font-family: 'Fraunces', serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--sage);
  line-height: 1;
}
.stat-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-top: 0.3rem;
}

.bike-photo-wrap {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  width: 100%;
}
.bike-photo-wrap img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  border-radius: 4px;
  transition: transform 0.5s ease;
}
.bike-photo-wrap:hover img { transform: scale(1.03); }
.route-card {
  position: absolute;
  bottom: 1rem; right: 1rem;
  background: var(--sage);
  color: white;
  padding: 0.9rem 1.1rem;
  border-radius: 4px;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
.route-card strong { display: block; font-size: 0.85rem; font-family: 'Fraunces', serif; font-weight: 600; }
.bike-note { max-width: 34rem; }

footer {
  padding: 3rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}
footer.visible { opacity: 1; transform: none; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 1rem; }
.footer-copy { font-size: 0.6rem; opacity: 0.35; letter-spacing: 0.12em; }
.footer-impressum {
  font-size: 0.6rem;
  opacity: 0.45;
  text-decoration: none;
  color: inherit;
}
.footer-impressum:hover { opacity: 0.75; }

.legal-main { padding: 4rem; }
.legal-main h1 { margin-bottom: 1rem; }
.legal-main h2 { margin-bottom: 1rem; }
.back-link { margin-top: 2rem; }

@keyframes fadeDown { from { opacity:0; transform:translateY(-16px); } to { opacity:1; transform:none; } }
@keyframes fadeUp   { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:none; } }
@keyframes blinkCaret { 50% { opacity: 0; } }

@media (max-width: 800px) {
  header { padding: 1.5rem 1.5rem; grid-template-columns: 1fr 1fr; }
  .header-left { display: none; }
  nav { gap: 1.2rem; }
  .hero, .foto-intro, .code-intro, .bike-layout { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 4rem 1.5rem 3rem; min-height: auto; }
  .hero::after { left: 1.5rem; right: auto; bottom: 1.5rem; width: 9rem; }
  section { padding: 4rem 1.5rem; }
  .hero-note { max-width: 100%; }
  .code-bar { flex-wrap: wrap; }
  .code-status { width: 100%; margin-left: 0; }

  .foto-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 240px 160px 160px;
  }
  .foto-card:nth-child(1) {
    grid-column: 1 / 3;
    grid-row: 1;
  }
  .foto-meta { opacity: 1; }
  .legal-main { padding: 2rem 1.5rem 4rem; }
}