/* PixelCut — René & Cornelia
   Tech-Editorial, charaktervoll, intentional.
   Keine Default-AI-Ästhetik. Keine Cookies. Keine Tracker.
   Author: Hermes (frontend-design Skill, Anthropic) */

:root {
  /* Farb-Palette: Anthrazit + Warmes Off-White + Lasur-Blau + Kupfer */
  --c-bg: #f5f3ee;
  --c-bg-warm: #ebe5d6;
  --c-fg: #1a1d23;
  --c-fg-soft: #4a4f58;
  --c-fg-mute: #8a8e96;
  --c-accent: #3a6b8f;
  --c-accent-dark: #1a3a4f;
  --c-warm: #b87333;        /* Kupfer — wegen Lasergravur */
  --c-warm-soft: #d4944a;
  --c-line: #1a1d231a;       /* 10% black */

  /* Typografie */
  --ff-display: "Space Grotesk", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  --ff-body: "Inter", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  --ff-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;

  /* Spacing & Type-Scale */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 5rem;
  --s-7: 8rem;
  --radius: 0;               /* Tech-Editorial: scharfe Kanten */
  --max: 1280px;
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: var(--ff-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Type-Scale */
h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; font-weight: 500; }

a { color: var(--c-accent); text-decoration: none; border-bottom: 1px solid currentColor; }
a:hover { color: var(--c-warm); }

/* === Layout === */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--s-3); }

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 243, 238, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; padding: var(--s-2) var(--s-3); max-width: var(--max); margin: 0 auto; }
.nav__logo { display: block; height: 36px; border: none; }
.nav__logo svg { height: 100%; width: auto; }
.nav__links { display: flex; gap: var(--s-3); list-style: none; }
.nav__links a { font-family: var(--ff-mono); font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--c-fg); border: none; }
.nav__links a:hover { color: var(--c-warm); }

/* === Hero — "Leidenschaftlich kreativ" === */
.hero {
  position: relative;
  padding: var(--s-7) 0 var(--s-6);
  overflow: hidden;
}
.hero__eyebrow {
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--s-3);
}
.hero h1 {
  max-width: 18ch;
  margin-bottom: var(--s-3);
}
.hero h1 em { font-style: normal; color: var(--c-warm); }
.hero__lead {
  font-size: 1.25rem;
  color: var(--c-fg-soft);
  max-width: 50ch;
  margin-bottom: var(--s-4);
}
.hero__meta {
  display: flex; gap: var(--s-4); flex-wrap: wrap;
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--c-fg-mute);
  border-top: 1px solid var(--c-line);
  padding-top: var(--s-3);
  margin-top: var(--s-4);
}
.hero__meta span { display: flex; gap: 0.4rem; }
.hero__meta strong { color: var(--c-fg); font-weight: 500; }

/* 3D-Viewer (signature element) */
.hero__viewer {
  margin-top: var(--s-5);
  background: var(--c-accent-dark);
  border: 1px solid var(--c-line);
  position: relative;
  aspect-ratio: 16 / 9;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
}
.hero__viewer model-viewer { width: 100%; height: 100%; --poster-color: transparent; }
.hero__viewer-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  animation: heroFloat 8s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: scale(1) translateY(0); }
  50%      { transform: scale(1.03) translateY(-4px); }
}
.hero__viewer-label {
  position: absolute; top: 12px; left: 16px;
  font-family: var(--ff-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-bg); opacity: 0.5;
}
.hero__viewer-hint {
  position: absolute; bottom: 12px; right: 16px;
  font-family: var(--ff-mono); font-size: 11px;
  color: var(--c-bg); opacity: 0.5;
}

/* === Story section === */
.story {
  padding: var(--s-6) 0;
  background: var(--c-bg-warm);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.story__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--s-5);
  align-items: start;
}
.story h2 { color: var(--c-accent-dark); }
.story p { color: var(--c-fg-soft); margin-bottom: var(--s-2); }
.story p:last-child { margin-bottom: 0; }
.story__eyebrow {
  font-family: var(--ff-mono);
  font-size: 12px; letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-warm);
  margin-bottom: var(--s-2);
}

/* === Sektion-Grid (3 Cards) === */
.sections {
  padding: var(--s-6) 0;
}
.sections__head {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: var(--s-5);
  border-bottom: 1px solid var(--c-line);
  padding-bottom: var(--s-2);
}
.sections__head h2 { max-width: 14ch; }
.sections__count {
  font-family: var(--ff-mono);
  font-size: 13px; color: var(--c-fg-mute);
  letter-spacing: 0.1em;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}
.card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  text-decoration: none;
  color: var(--c-fg);
  transition: all 0.3s ease;
  position: relative;
}
.card:hover {
  border-color: var(--c-warm);
  transform: translateY(-2px);
}
.card:hover .card__num { color: var(--c-warm); }
.card:hover .card__arrow { transform: translateX(8px); color: var(--c-warm); }
.card__media {
  aspect-ratio: 3 / 2;
  background: var(--c-accent-dark);
  overflow: hidden;
  position: relative;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card__body {
  padding: var(--s-4);
  display: flex; flex-direction: column;
  justify-content: space-between;
}
.card__num {
  font-family: var(--ff-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--c-bg-warm);
  letter-spacing: -0.04em;
  line-height: 0.8;
  margin-bottom: var(--s-3);
  transition: color 0.3s ease;
  display: block;
}
.card__body h3 { color: var(--c-accent-dark); margin-bottom: var(--s-2); }
.card__body p { color: var(--c-fg-soft); font-size: 0.95rem; }
.card__arrow {
  align-self: flex-end;
  font-family: var(--ff-mono);
  font-size: 1.5rem;
  color: var(--c-fg-mute);
  margin-top: var(--s-3);
  transition: all 0.3s ease;
  display: inline-block;
}

/* === Showcase / Gallery === */
.gallery {
  padding: var(--s-6) 0;
  background: var(--c-fg);
  color: var(--c-bg);
}
.gallery h2 { color: var(--c-bg); margin-bottom: var(--s-2); }
.gallery__intro { color: #c5c0b3; max-width: 50ch; margin-bottom: var(--s-5); }
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-2);
}
.gallery__item {
  aspect-ratio: 1;
  background: var(--c-fg-soft);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery__item:hover img { transform: scale(1.05); }
.gallery__item-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: var(--s-2);
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  font-family: var(--ff-mono);
  font-size: 12px; letter-spacing: 0.05em;
  opacity: 0; transition: opacity 0.3s ease;
}
.gallery__item:hover .gallery__item-label { opacity: 1; }

/* === Footer === */
.footer {
  padding: var(--s-5) 0 var(--s-3);
  background: var(--c-bg);
  border-top: 1px solid var(--c-line);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--s-4);
  margin-bottom: var(--s-4);
}
.footer h4 { color: var(--c-fg); margin-bottom: var(--s-2); }
.footer p, .footer a { color: var(--c-fg-soft); font-size: 0.9rem; }
.footer a { border: none; }
.footer a:hover { color: var(--c-warm); }
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.4rem; }
.footer__legal {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--c-line);
  padding-top: var(--s-2);
  font-family: var(--ff-mono);
  font-size: 12px; color: var(--c-fg-mute);
  letter-spacing: 0.05em;
}

/* === Sub-Pages (Sektion-Detail) === */
.section-hero {
  padding: var(--s-6) 0 var(--s-4);
  background: var(--c-accent-dark);
  color: var(--c-bg);
}
.section-hero h1 { color: var(--c-bg); }
.section-hero__lead { color: #c5c0b3; max-width: 50ch; margin-top: var(--s-2); }
.section-hero__num {
  font-family: var(--ff-mono);
  font-size: 14px; letter-spacing: 0.2em;
  color: var(--c-warm-soft);
  margin-bottom: var(--s-2);
}
.section-body { padding: var(--s-5) 0; }
.section-body p { max-width: 65ch; margin-bottom: var(--s-2); }
.back-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--ff-mono); font-size: 13px;
  color: var(--c-accent); border: none;
  margin-top: var(--s-4);
}
.back-link:hover { color: var(--c-warm); }

/* === Mobile === */
@media (max-width: 768px) {
  body { font-size: 16px; }
  .nav__links { gap: var(--s-2); }
  .nav__links a { font-size: 11px; }
  .hero { padding: var(--s-5) 0 var(--s-4); }
  .story__grid { grid-template-columns: 1fr; gap: var(--s-3); }
  .card { grid-template-columns: 1fr; }
  .card__body { padding: var(--s-3); }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-3); }
  .footer__legal { flex-direction: column; gap: 0.5rem; align-items: start; }
  .sections__head { flex-direction: column; align-items: start; gap: var(--s-1); }
}

/* === Reduced motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* === Focus visible === */
:focus-visible { outline: 2px solid var(--c-warm); outline-offset: 4px; }

/* === Fade-in (JS-gesteuert) === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Lightbox === */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(26, 29, 35, 0.95);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  z-index: 100;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 2rem;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox__img {
  max-width: 90vw; max-height: 80vh;
  object-fit: contain;
  border: 1px solid var(--c-line);
}
.lightbox__caption {
  margin-top: 1rem;
  font-family: var(--ff-mono);
  font-size: 14px; letter-spacing: 0.05em;
  color: var(--c-bg);
  opacity: 0.7;
}
.lightbox__close {
  position: absolute; top: 1.5rem; right: 2rem;
  background: none; border: none;
  color: var(--c-bg);
  font-size: 2.5rem; line-height: 1;
  cursor: pointer;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
}
.lightbox__close:hover { color: var(--c-warm); }