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

:root {
  --accent: #f0b429;
  --bg: #f7f7f5;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e0ddd8;
  --dark: #1a1a1a;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ── NAV ── */
nav {
  background: var(--dark);
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: white;
}

/* Burger Button – nur auf Mobile sichtbar */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* Burger animiert zu X */
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  position: relative;
  height: 440px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: #000;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  max-width: 480px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.85;
}

.hero-content {
  position: relative;
  padding: 2.5rem 3rem;
  max-width: 680px;
}

.hero-content h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: white;
  line-height: 1.15;
  margin-bottom: 0.6rem;
  user-select: none;
}

.hero-slogan {
  display: block;
  height: 52px;
  width: auto;
  mix-blend-mode: screen;
  margin-top: 0.25rem;
}

/* ── SERVICES ── */
.services {
  padding: 2rem 3rem;
  border-bottom: 1px solid var(--border);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tags span {
  background: white;
  border: 1px solid var(--border);
  padding: 0.5rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  user-select: none;
}

/* ── GALLERY STRIP (vertikal, endlos) ── */
.gallery {
  padding: 3rem 0 0;
}

.gallery-strip {
  height: 105vh;
  min-height: 600px;
  overflow: hidden;
}

.gallery-wrap {
  display: flex;
  gap: 4px;
}

.gallery-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  will-change: transform;
}

.gallery-item {
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  background: #e8e5e0;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.45s ease;
  cursor: pointer;
}

.gallery-item img.loaded { opacity: 1; }
.gallery-item:hover img  { transform: scale(1.02); }

.gallery-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.75rem 0.85rem 0.55rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.62));
  color: white;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.25s;
}

.gallery-item:hover figcaption { opacity: 1; }

/* ── KONTAKT CTA ── */
.contact-cta {
  text-align: center;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
}

.contact-cta p {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* ── TESTIMONIALS ── */
.testimonials {
  padding: 3rem;
  background: white;
  border-top: 1px solid var(--border);
}

.testimonials h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 2rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.testimonial {
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
}

.testimonial blockquote {
  font-size: 0.95rem;
  color: var(--text);
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 0.6rem;
}

.testimonial cite {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: normal;
}

/* ── FOOTER ── */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.5);
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  margin-top: 4px;
}

footer a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.15s;
}

footer a:hover { color: white; }

/* ── INNER PAGES ── */
.page-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
}

.page-wrap h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--accent);
}

/* Contact layout */
.contact-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info {
  background: white;
  border: 1px solid var(--border);
  padding: 1.75rem;
}

.contact-info h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.contact-info p {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.9;
}

.contact-info a {
  color: var(--text);
  text-decoration: none;
}

.contact-info a:hover { color: var(--accent); }

/* Form */
.form-group { margin-bottom: 1.2rem; }

label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

input, textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  background: white;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  border-radius: 1px;
  transition: border-color 0.15s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.btn {
  background: var(--accent);
  color: var(--dark);
  border: none;
  padding: 0.75rem 2.25rem;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.15s;
}

.btn:hover { background: #e0a61e; }

.required-note {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 1rem;
}

.success-msg {
  background: #edf7ed;
  border: 1px solid #b5dab5;
  color: #2d6a2d;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: none;
}

/* Impressum */
.impressum-section {
  margin-bottom: 2.25rem;
}

.impressum-section h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.impressum-section p {
  font-size: 0.95rem;
  line-height: 1.75;
}

.impressum-section a {
  color: var(--text);
}

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

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

.lightbox-img-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-img-wrap img {
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  display: block;
  border: none;
}

.lightbox-caption {
  color: rgba(255,255,255,0.55);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.75rem;
  min-height: 1rem;
}

.lightbox-close {
  position: fixed;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.15s;
  padding: 0.25rem;
}

.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: white;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  transition: background 0.15s;
  user-select: none;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255,255,255,0.22);
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

@media (max-width: 640px) {
  .lightbox-prev { left: 0.25rem; }
  .lightbox-next { right: 0.25rem; }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .gallery-wrap .gallery-col:nth-child(n+5) { display: none; }
}

@media (max-width: 640px) {
  nav { padding: 0 1.25rem; flex-wrap: wrap; height: auto; min-height: 56px; }
  nav ul { gap: 1.25rem; }

  .nav-burger { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 0.5rem 0 1rem;
  }

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

  .nav-links li a {
    display: block;
    padding: 0.65rem 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.95rem;
  }

  .hero { height: 300px; }
  .hero-content { padding: 1.5rem; }
  .hero-content h1 { font-size: 1.7rem; }

  .services { padding: 1.5rem; }

  .gallery-wrap .gallery-col:nth-child(n+3) { display: none; }
  .gallery-strip { height: 94vh; }

  .testimonials { padding: 2rem 1.5rem; }
  .testimonial-grid { grid-template-columns: 1fr; }

  footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    padding: 1.5rem;
  }

  .contact-columns { grid-template-columns: 1fr; gap: 2rem; }
  .page-wrap { padding: 2.5rem 1.25rem 2rem; }
}