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

:root {
  --navy:       #0d1b2a;
  --navy-mid:   #152338;
  --navy-light: #1e3150;
  --navy-card:  #162030;
  --sky:        #7eb8d4;
  --sky-dim:    #4a8aaa;
  --white:      #f0f4f8;
  --off-white:  #d8e4ec;
  --muted:      #7a9ab5;
  --border:     rgba(126,184,212,0.15);
  --gold:       #c9a96e;
}

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 3rem;
  background: rgba(13,27,42,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  z-index: 201;
  position: relative;
}

/* Desktop Navigation */
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
}

.nav-links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--sky);
  border-bottom-color: var(--sky);
}

/* ── HAMBURGER ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: 201;
  position: relative;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--sky);
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  padding-top: 72px;
}

.hero-img {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) contrast(1.05);
  transition: transform 8s ease;
}

.hero-img:hover img { transform: scale(1.03); }

.hero-img .click-hint {
  position: absolute;
  bottom: 1.2rem;
  right: 1.2rem;
  background: rgba(13,27,42,0.7);
  color: var(--sky);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  opacity: 0;
  transition: opacity 0.3s;
}
.hero-img:hover .click-hint { opacity: 1; }

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem;
  background: var(--navy-mid);
}

.hero-eyebrow {
  font-size: 0.67rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.6rem, 4.5vw, 4.2rem);
  font-weight: 400;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 2rem;
}

.hero-title em {
  font-style: italic;
  color: var(--sky);
}

.hero-body {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--muted);
  max-width: 400px;
  border-left: 2px solid var(--sky-dim);
  padding-left: 1.25rem;
}

.hero-note {
  margin-top: 2rem;
  font-size: 0.7rem;
  color: #4a6a88;
  font-style: italic;
}

/* ── SECTION HEADER ── */
.section-header {
  text-align: center;
  padding: 6rem 2rem 3rem;
}

.section-header h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.9rem);
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.02em;
}

.section-header p {
  margin-top: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sky);
}

.divider {
  width: 36px;
  height: 1px;
  background: var(--sky-dim);
  margin: 1.2rem auto 0;
}

/* ── FEATURED WORKS ── */
.featured {
  padding: 0 3rem 5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.featured-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 3px;
  border: 1px solid var(--border);
  overflow: hidden;
  align-items: stretch;
}

.featured-item.reverse { direction: rtl; }
.featured-item.reverse > * { direction: ltr; }

/* ── Image wrapper ── */
.featured-img-wrap {
  position: relative;
  cursor: pointer;
  background: var(--navy-light);
  overflow: hidden;
  min-height: 420px;
}

.featured-img-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: saturate(0.88) contrast(1.06);
  transition: transform 6s ease, filter 0.4s;
}

.featured-img-wrap:hover img {
  transform: scale(1.04);
  filter: saturate(0.98) contrast(1.03);
}

.featured-img-wrap.portrait {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.featured-img-wrap.portrait img {
  position: static;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 480px;
  object-fit: contain;
}

.featured-img-wrap .click-hint {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(13,27,42,0.75);
  color: var(--sky);
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 2;
}
.featured-img-wrap:hover .click-hint { opacity: 1; }

.featured-meta {
  background: var(--navy-card);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 3.5rem;
}

.featured-meta .tag {
  font-size: 0.63rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 0.75rem;
}

.featured-meta h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.7rem;
  font-weight: 400;
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 1rem;
}

.featured-meta .caption {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.65;
}

.caption-detail {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.caption-detail span {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.caption-detail strong {
  font-weight: 500;
  color: var(--off-white);
}

/* ── GALLERY GRID ── */
.gallery-section {
  background: var(--navy-mid);
  padding: 2rem 3rem 6rem;
}

.photo-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 150px;
  gap: 3px;
}

.photo-grid-item {
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--navy-light);
  grid-row: span 2;
  display: block;
}

.photo-grid-item.tall { grid-row: span 3; }

.photo-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: saturate(0.82) contrast(1.07);
  transition: transform 0.6s ease, filter 0.4s;
}

.photo-grid-item.portrait img {
  object-fit: contain;
  background: var(--navy-light);
}

.photo-grid-item:hover img {
  transform: scale(1.05);
  filter: saturate(1) contrast(1.02);
}

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.75) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 1rem 1.2rem;
  pointer-events: none;
}

.photo-grid-item:hover .photo-overlay { opacity: 1; }

.photo-overlay span {
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--off-white);
}

.grid-caption-block {
  max-width: 1400px;
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 3rem;
}

.grid-caption-block p {
  font-size: 0.73rem;
  color: var(--muted);
  line-height: 1.65;
}

.grid-caption-block strong {
  font-weight: 500;
  color: var(--off-white);
}

/* ── PUBLIC MASONRY GALLERY ── */
.public-masonry {
  max-width: 1400px;
  margin: 0 auto;
  columns: 3;
  column-gap: 5px;
}

.pm-item {
  break-inside: avoid;
  margin-bottom: 5px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--navy-light);
  display: block;
}

.pm-item img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(0.82) contrast(1.07);
  transition: transform 0.5s ease, filter 0.3s;
}

.pm-item:hover img {
  transform: scale(1.03);
  filter: saturate(1) contrast(1.02);
}

.pm-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.72) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 0.8rem 1rem;
  pointer-events: none;
}

.pm-item:hover .pm-overlay { opacity: 1; }

.pm-overlay span {
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--off-white);
}

.lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(126,184,212,0.55);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 1rem 1.2rem;
  transition: color 0.2s;
  background: none;
  border: none;
  z-index: 1001;
  line-height: 1;
}
.lb-nav:hover { color: var(--sky); }
#lbPrev { left: 0.5rem; }
#lbNext { right: 0.5rem; }

.lb-counter {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  background: rgba(13,27,42,0.7);
  padding: 0.3rem 0.8rem;
  pointer-events: none;
}

/* ── CONTACT ── */
#kontakt {
  padding: 6rem 3rem;
  max-width: 660px;
  margin: 0 auto;
}

#kontakt h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.contact-sub {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.contact-expertise {
  font-size: 0.71rem;
  letter-spacing: 0.09em;
  color: var(--sky);
  margin-bottom: 2.5rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--border);
  background: var(--navy-card);
  display: inline-block;
  line-height: 1.6;
}

.form-group { margin-bottom: 1.6rem; }

.form-group label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.3s;
  resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #3a5a78; }

.form-group input:focus,
.form-group textarea:focus { border-bottom-color: var(--sky); }

.form-group textarea { min-height: 110px; }

.btn-submit {
  margin-top: 1rem;
  background: var(--sky-dim);
  color: var(--white);
  border: none;
  padding: 0.9rem 2.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.btn-submit:hover {
  background: var(--sky);
  color: var(--navy);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--navy-mid);
}

.footer-logo {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--off-white);
}

footer p {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5,12,22,0.97);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.open { display: flex; }

.lightbox-inner {
  position: relative;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 88vw;
  max-height: 85vh;
  object-fit: contain;
  display: block;
  border: 1px solid var(--border);
}

.lightbox-close {
  position: fixed;
  top: 1.4rem;
  right: 2rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
  background: rgba(13,27,42,0.85);
}

.lightbox-close:hover { color: var(--sky); border-color: var(--sky); }

/* ── FADE IN ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }


/* ==========================================
   MOBILE MEDIA QUERY
========================================== */
@media (max-width: 860px) {

  nav { padding: 1rem 1.5rem; }

  .nav-toggle { display: flex; }

  /* Mobile Navigation Container */
  .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 0;            /* Im geschlossenen Zustand kein Padding */
    gap: 2rem;
    background: rgba(5,12,22,0.99);
    backdrop-filter: blur(20px);
    border-bottom: 0 solid transparent; /* Verhindert sichtbaren Rahmen im geschlossenen Zustand */
    overflow: hidden;          /* Versteckt Inhalt & Hintergrund komplett */
    max-height: 0;             /* Fährt komplett auf 0px Höhe zusammen */
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.4s ease, border 0.4s ease;
    z-index: 199;
    pointer-events: none;
    list-style: none;
  }

  /* Wenn das Menü geöffnet ist */
  .nav-links.open {
    max-height: 70vh;          /* Nimmt nur so viel Platz ein, wie für die Links gebraucht wird */
    padding-top: 3.5rem;       /* Gibt erst beim Öffnen den inneren Abstand */
    padding-bottom: 3.5rem;
    border-bottom: 1px solid var(--border);
    pointer-events: all;
    overflow-y: auto;          /* Falls der Bildschirm extrem klein ist */
  }

  .nav-links a { 
    font-size: 1rem; 
    letter-spacing: 0.2em; 
    color: var(--off-white);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.2s;
    width: 80%;                /* Macht die Buttons auf dem Smartphone einheitlich breit */
    text-align: center;
  }
  
  .nav-links a:hover {
    color: var(--navy);
    background: var(--sky);
    border-color: var(--sky);
  }

  /* Hero */
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-img { height: 70vw; min-height: 240px; }
  .hero-text { padding: 2.5rem 1.5rem; }

  /* Featured */
  .featured { padding: 0 1rem 3rem; }
  .featured-item { grid-template-columns: 1fr; }
  .featured-item.reverse { direction: ltr; }

  .featured-img-wrap { min-height: 260px; }
  .featured-img-wrap img {
    position: absolute;
    inset: 0; width: 100%; height: 100%;
    object-fit: cover;
  }
  .featured-img-wrap.portrait {
    min-height: 320px;
    padding: 1rem;
  }
  .featured-img-wrap.portrait img {
    position: static;
    width: auto; height: auto;
    max-width: 100%; max-height: 300px;
    object-fit: contain;
  }

  .featured-meta { padding: 1.8rem 1.5rem; }

  /* Gallery */
  .gallery-section { padding: 2rem 1rem 4rem; }
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 120px;
    gap: 2px;
  }
  .photo-grid-item      { grid-row: span 2; }
  .photo-grid-item.tall { grid-row: span 3; }
  .grid-caption-block { grid-template-columns: 1fr; }

  /* Public masonry mobile */
  .public-masonry { columns: 2; column-gap: 4px; }

  /* Contact */
  #kontakt { padding: 3rem 1.5rem; }

  /* Footer */
  footer { flex-direction: column; gap: 0.6rem; text-align: center; padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero-img { height: 80vw; }
  .photo-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 130px;
  }
  .photo-grid-item      { grid-row: span 2; }
  .photo-grid-item.tall { grid-row: span 3; }
  .public-masonry { columns: 1; }
}