/* ---------- Design-Tokens ---------- */
:root {
  --color-bg: #ffffff;
  --color-fg: #141414;
  --color-muted: #6e6e6e;
  --color-border: #e4e0da;
  --font-serif: "Century Gothic", "Futura", "Trebuchet MS", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-sans: "Century Gothic", "Futura", "Trebuchet MS", "Segoe UI", Helvetica, Arial, sans-serif;
  --maxw: 1320px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 2rem;
  --space-4: 4rem;
  --space-5: 7rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ---------- Startseite: kein Scrollen, füllt exakt den Viewport ---------- */
body.home {
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

body.home .site-header {
  flex-shrink: 0;
}

body.home .marquee {
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
}

body.home .intro {
  flex-shrink: 0;
  padding: var(--space-3);
}

/* ---------- Kopfzeile / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--maxw);
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.25rem;
  letter-spacing: 0.03em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-fg);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list > li {
  position: relative;
}

.nav-list a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) 0;
}

.has-submenu > a::after {
  content: "";
  display: inline-block;
  margin-left: 5px;
  border: solid var(--color-muted);
  border-width: 0 1px 1px 0;
  padding: 2px;
  transform: rotate(45deg) translateY(-2px);
}

.submenu {
  list-style: none;
  margin: 0;
  padding: var(--space-2) 0;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease;
}

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
  opacity: 1;
  visibility: visible;
}

.submenu a {
  display: block;
  padding: var(--space-1) var(--space-3);
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.9rem;
}

.submenu a:hover { color: var(--color-muted); }

/* ---------- Bewegende Header-Slideshow ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 62vh;
  min-height: 320px;
  background: #f4f1ec;
}

.marquee-track {
  display: flex;
  width: max-content;
  height: 100%;
  animation: marquee-scroll 110s linear infinite;
}

.marquee-track img {
  height: 100%;
  width: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  margin-right: 2px;
}

@keyframes marquee-scroll {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- Intro-Bereich ---------- */
.intro {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
  text-align: center;
}

.intro h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.07rem, 3.45vw, 2.99rem);
  margin: 0 0 var(--space-2);
}

.intro p {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Abschnitts-Überschriften ---------- */
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 var(--space-3);
  max-width: var(--maxw);
  margin: 0 auto var(--space-3);
}

.section-heading h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.4rem;
  margin: 0;
}

.section-heading .link-more {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-fg);
  padding-bottom: 2px;
}

/* ---------- Galerie-Grid ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-5);
}

.gallery-grid.preview {
  padding-bottom: var(--space-4);
}

.artwork {
  cursor: pointer;
  border: none;
  background: none;
  margin: 0;
  padding: 0;
  text-align: left;
  width: 100%;
}

.artwork img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.artwork:hover img { opacity: 0.85; }

.artwork figcaption {
  margin-top: var(--space-1);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.artwork figcaption .title { color: var(--color-fg); }

/* ---------- Filter (Untermenü Werke-Seite) ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-3);
}

.filter-btn {
  background: none;
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--color-muted);
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--color-fg);
  color: var(--color-fg);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-3);
}

.lightbox.open { display: flex; }

.lightbox-content {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.lightbox-content img {
  max-height: 78vh;
  margin: 0 auto;
}

.lightbox-caption {
  color: #eee;
  margin-top: var(--space-2);
  font-size: 0.9rem;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-2);
}

.lightbox-close { top: var(--space-2); right: var(--space-2); }
.lightbox-prev { left: var(--space-2); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-2); top: 50%; transform: translateY(-50%); }

/* ---------- Biografie ---------- */
.bio {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-5);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
  align-items: start;
}

.bio img { width: 100%; }

.bio h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 2rem;
  margin: 0 0 var(--space-3);
}

.bio p { margin: 0 0 var(--space-2); color: var(--color-fg); }
.bio p.lead { color: var(--color-muted); font-size: 1.1rem; }

.timeline {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--color-border);
}

.timeline li {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-1) 0;
  font-size: 0.95rem;
}

.timeline .year { color: var(--color-muted); min-width: 60px; }

/* ---------- Kontakt ---------- */
.contact {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
}

.contact h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 2rem;
  margin: 0 0 var(--space-2);
}

.contact p.lead { color: var(--color-muted); margin: 0 0 var(--space-4); }

.field { margin-bottom: var(--space-3); }

.field label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-1);
}

.field input,
.field textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-1) 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  background: transparent;
  color: var(--color-fg);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--color-fg);
}

.field textarea { resize: vertical; min-height: 120px; }

.submit-btn {
  background: var(--color-fg);
  color: var(--color-bg);
  border: none;
  padding: var(--space-2) var(--space-4);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

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

.form-note {
  margin-top: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.privacy-note {
  margin-top: var(--space-4);
  font-size: 0.8rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
}

/* ---------- Fußzeile ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3);
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .bio { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }

  .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3) var(--space-3);
    gap: var(--space-2);
    display: none;
  }

  .nav-list.open { display: flex; }

  .has-submenu .submenu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    border: none;
    padding: 0 0 0 var(--space-2);
  }

  .has-submenu.expanded .submenu { display: block; }

  .gallery-grid { grid-template-columns: 1fr; }
  .bio { padding-top: var(--space-4); }
}