/* ============================================================
   APP — Nav · Cover · Serien/Galerie · Lightbox · Über · Kontakt
   ============================================================ */

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.6rem) var(--gutter);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), padding var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(20, 17, 15, 0.82);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border-bottom-color: var(--hairline);
  padding-block: clamp(0.7rem, 1.4vw, 1.05rem);
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--step-1);
  letter-spacing: 0.005em;
  color: var(--text);
  white-space: nowrap;
}
.nav__brand .dot { color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.6rem); }
.nav__links a {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--dur) var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--text); }
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }

.nav__burger { display: none; }

/* ============================================================
   COVER
   ============================================================ */
.cover {
  position: relative;
  min-height: 100svh;
  display: grid;
  isolation: isolate;
  overflow: hidden;
}
.cover__media { position: absolute; inset: 0; z-index: -2; }
.cover__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.4s var(--ease), transform 9s linear;
}
.cover__media img.is-loaded { opacity: 1; transform: scale(1); }
.cover::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: var(--scrim);
}
.cover__inner {
  align-self: end;
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding: var(--gutter);
  padding-bottom: clamp(3rem, 8vh, 7rem);
}
.cover__eyebrow { margin-bottom: clamp(1rem, 3vh, 2rem); display: flex; flex-wrap: wrap; gap: 0.4rem 1.1rem; }
.cover__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--display);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.cover__title em { font-style: italic; font-weight: 300; color: var(--accent); }
.cover__sub {
  font-size: var(--step-1);
  font-style: italic;
  color: var(--text);
  max-width: 40ch;
  font-weight: 380;
}
.cover__scroll {
  margin-top: clamp(2rem, 5vh, 3.5rem);
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-size: var(--step--1); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted);
}
.cover__scroll .rule {
  width: 54px; height: 1px; background: var(--hairline); position: relative; overflow: hidden;
}
.cover__scroll .rule::after {
  content: ""; position: absolute; inset: 0; width: 40%;
  background: var(--accent); animation: sweep 2.6s var(--ease) infinite;
}
@keyframes sweep { 0% { transform: translateX(-120%); } 100% { transform: translateX(320%); } }
@media (prefers-reduced-motion: reduce) {
  .cover__scroll .rule::after { animation: none; }
  .cover__media img { transition: opacity 1ms; transform: none; }
}

/* Mobil: Bild NICHT bildschirmfüllend beschnitten, sondern ganz zeigen,
   Text darunter auf warmem Grund (kein Rand-zu-Rand-Vollbild). */
@media (max-width: 720px) {
  .cover {
    display: block;
    min-height: 0;
  }
  .cover__media {
    position: relative;
    inset: auto;
    z-index: 0;
    width: 100%;
    aspect-ratio: 3 / 2;
  }
  .cover__media img {
    object-position: center;
  }
  .cover::before { display: none; }
  .cover__inner {
    align-self: auto;
    max-width: none;
    padding-top: clamp(2rem, 6vh, 3rem);
    padding-bottom: clamp(2.5rem, 9vh, 4.5rem);
  }
}

/* ============================================================
   INTRO
   ============================================================ */
.intro { text-align: left; }
.intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: start;
}
.intro__lead { font-family: var(--font-display); font-weight: 300; font-size: var(--step-3); line-height: 1.12; letter-spacing: -0.01em; }
.intro__lead em { font-style: italic; color: var(--accent); }
.intro__body p { color: var(--muted); max-width: var(--measure); }
.intro__body p + p { margin-top: 1rem; }
.intro__meta {
  margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 0.6rem;
}
.intro__meta span {
  font-size: var(--step--1); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--hairline);
  border-radius: 999px; padding: 0.4rem 0.9rem;
}

/* ============================================================
   SERIEN / GALERIE
   ============================================================ */
.serie { padding-top: clamp(3rem, 6vh, 5rem); }
.serie + .serie { margin-top: clamp(2rem, 5vh, 4rem); }
.serie__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--hairline);
  padding-top: 1.6rem;
  margin-bottom: clamp(1.8rem, 4vh, 3rem);
}
.serie__index {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: var(--step-1);
  color: var(--accent);
}
.serie__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-4);
  line-height: 1;
  letter-spacing: -0.02em;
  flex: 1 1 auto;
}
.serie__note { color: var(--muted); font-style: italic; max-width: 34ch; text-align: right; }

.gallery {
  column-count: 3;
  column-gap: clamp(0.7rem, 1.4vw, 1.15rem);
}
.gallery.is-2 { column-count: 2; }

.figure {
  position: relative;
  display: block;
  width: 100%;
  margin-bottom: clamp(0.7rem, 1.4vw, 1.15rem);
  break-inside: avoid;
  background-color: var(--bg-2);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  cursor: zoom-in;
}
.figure img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 700ms var(--ease), transform var(--dur-slow) var(--ease), filter var(--dur) var(--ease);
}
.figure img.is-loaded { opacity: 1; transform: scale(1); }
.figure:hover img { transform: scale(1.045); filter: brightness(1.05); }
.figure::after {
  content: "";
  position: absolute; inset: 0; z-index: 2;
  box-shadow: inset 0 0 0 1px transparent;
  transition: box-shadow var(--dur) var(--ease);
  pointer-events: none;
}
.figure:hover::after { box-shadow: inset 0 0 0 1px var(--accent-line); }
@media (prefers-reduced-motion: reduce) {
  .figure img { transition: opacity 1ms; transform: none; }
  .figure:hover img { transform: none; }
}

/* Ladeplatzhalter (kein JS) */
.gallery__empty {
  color: var(--muted); font-style: italic; padding: 2rem 0;
}

/* ============================================================
   HIGHLIGHTS — Bento (großes Feature links, dann Reihe)
   ============================================================ */
.highlights__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.6rem, 1.2vw, 1rem);
}
.hl {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  cursor: zoom-in;
  background-color: var(--bg-2);
  background-size: cover;
  background-position: center;
}
/* 4er-Bento: großes Feature (2×2) + breites Banner + zwei Quadrate */
.hl:nth-child(1) { grid-column: 1 / 3; grid-row: 1 / 3; aspect-ratio: auto; }
.hl:nth-child(2) { grid-column: 3 / 5; grid-row: 1 / 2; aspect-ratio: 2 / 1; }
.hl:nth-child(3) { grid-column: 3 / 4; grid-row: 2 / 3; }
.hl:nth-child(4) { grid-column: 4 / 5; grid-row: 2 / 3; }
.hl img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 700ms var(--ease), transform var(--dur-slow) var(--ease), filter var(--dur) var(--ease);
}
.hl img.is-loaded { opacity: 1; transform: scale(1); }
.hl:hover img { transform: scale(1.05); filter: brightness(1.06); }
.hl::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  box-shadow: inset 0 0 0 1px transparent;
  transition: box-shadow var(--dur) var(--ease);
  pointer-events: none;
}
.hl:hover::after { box-shadow: inset 0 0 0 1px var(--accent-line); }
@media (prefers-reduced-motion: reduce) {
  .hl img { transition: opacity 1ms; transform: none; }
  .hl:hover img { transform: none; }
}
@media (max-width: 720px) {
  .highlights__grid { grid-template-columns: 1fr 1fr; }
  .hl:nth-child(1),
  .hl:nth-child(2) { grid-column: 1 / 3; grid-row: auto; aspect-ratio: 3 / 2; }
  .hl:nth-child(3),
  .hl:nth-child(4) { grid-column: auto; grid-row: auto; aspect-ratio: 1 / 1; }
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed; inset: 0; z-index: 120;
  display: grid;
  grid-template-rows: 1fr auto;
  background: rgba(12, 9, 8, 0.97);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__stage {
  position: relative;
  display: grid; place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  min-height: 0;
}
.lightbox__img {
  max-width: min(94vw, 1500px);
  max-height: 82vh;
  width: auto; height: auto;
  object-fit: contain;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.lightbox__img.is-loaded { opacity: 1; }
.lightbox__mark {
  position: absolute;
  bottom: clamp(1.2rem, 4vw, 3.2rem);
  right: clamp(1.4rem, 4vw, 3.4rem);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step--1);
  color: rgba(242, 236, 226, 0.55);
  pointer-events: none;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}
.lightbox__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem var(--gutter) clamp(1.1rem, 3vh, 2rem);
  border-top: 1px solid var(--hairline);
}
.lightbox__cap { font-style: italic; color: var(--text); font-size: var(--step-0); }
.lightbox__count { font-size: var(--step--1); letter-spacing: 0.16em; color: var(--muted); }
.lb-btn {
  width: 3rem; height: 3rem; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--text);
  border: 1px solid var(--hairline);
  background: rgba(242, 236, 226, 0.04);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.lb-btn:hover { background: var(--accent-soft); border-color: var(--accent-line); }
.lb-btn svg { width: 1.15rem; height: 1.15rem; }
.lightbox__close { position: absolute; top: clamp(1rem, 2vw, 1.6rem); right: var(--gutter); z-index: 5; }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  display: flex; gap: 0.5rem;
}
.lightbox__nav--prev { left: clamp(0.5rem, 2vw, 1.6rem); }
.lightbox__nav--next { right: clamp(0.5rem, 2vw, 1.6rem); }
.lb-btn--edge { width: 3.4rem; height: 3.4rem; }
.lb-btn--edge:hover { transform: scale(1.06); }

/* ============================================================
   ÜBER
   ============================================================ */
.ueber { background: var(--bg-2); }
.ueber__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.ueber__portrait { position: relative; overflow: hidden; background: var(--bg-3); }
.ueber__portrait img { width: 100%; height: auto; display: block; opacity: 0; transition: opacity 700ms var(--ease); }
.ueber__portrait img.is-loaded { opacity: 1; }
.ueber h2 { font-family: var(--font-display); font-weight: 300; font-size: var(--step-4); line-height: 1.02; letter-spacing: -0.02em; margin-bottom: 1.6rem; }
.ueber h2 em { font-style: italic; color: var(--accent); }
.ueber__text p { color: var(--muted); max-width: var(--measure); }
.ueber__text p + p { margin-top: 1.1rem; }
.ueber__text strong { color: var(--text); font-weight: 500; }
.ueber__facts {
  margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.6rem 2rem;
  border-top: 1px solid var(--hairline); padding-top: 1.6rem;
}
.ueber__facts div { display: grid; gap: 0.15rem; }
.ueber__facts dt { font-size: var(--step--2); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-dim); }
.ueber__facts dd { font-style: italic; color: var(--text); }

/* ============================================================
   KONTAKT
   ============================================================ */
.kontakt__inner { border-top: 1px solid var(--hairline); padding-top: clamp(3rem, 6vh, 5rem); }
.kontakt h2 {
  font-family: var(--font-display); font-weight: 300;
  font-size: var(--display); line-height: 0.98; letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.kontakt h2 em { font-style: italic; color: var(--accent); }
.kontakt__sub { color: var(--muted); font-size: var(--step-1); max-width: 46ch; margin-bottom: 2.4rem; }
.kontakt__links { display: flex; flex-wrap: wrap; gap: 1rem 3.5rem; }
.link-xl {
  display: inline-flex; align-items: baseline; gap: 0.7rem;
  font-family: var(--font-display); font-weight: 300; font-style: italic;
  font-size: var(--step-2); color: var(--text);
  transition: color var(--dur) var(--ease);
}
.link-xl .arrow { font-style: normal; color: var(--accent); transition: transform var(--dur) var(--ease); }
.link-xl:hover { color: var(--accent); }
.link-xl:hover .arrow { transform: translate(4px, -4px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--hairline);
  padding: 2.2rem var(--gutter);
  display: flex; flex-wrap: wrap; gap: 0.8rem 2rem;
  align-items: center; justify-content: space-between;
  color: var(--muted-dim); font-size: var(--step--1);
}
.footer a { transition: color var(--dur) var(--ease); }
.footer a:hover { color: var(--accent); }
.footer__brand { font-family: var(--font-display); font-style: italic; color: var(--muted); }
.footer__set { display: flex; flex-wrap: wrap; gap: 0.8rem 1.6rem; }
.footer__credit a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }

/* ============================================================
   Instagram — Kontakt-Glyph + schwebender Button (mobil)
   ============================================================ */
.kontakt__links .link-xl { align-items: center; }
.link-xl .ig-glyph { display: inline-flex; color: var(--accent); }
.link-xl .ig-glyph svg { width: 1.5rem; height: 1.5rem; }

.ig-fab {
  position: fixed;
  right: max(1.1rem, env(safe-area-inset-right));
  bottom: max(1.1rem, env(safe-area-inset-bottom));
  z-index: 55;
  width: 3.5rem;
  height: 3.5rem;
  display: none;
  place-items: center;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--accent-line);
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.ig-fab svg { width: 1.7rem; height: 1.7rem; }
.ig-fab:active { transform: scale(0.93); }
@media (hover: hover) {
  .ig-fab:hover { background: var(--accent); color: #14110f; transform: translateY(-2px); }
}
@media (max-width: 720px) {
  .ig-fab { display: grid; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1000px) {
  .gallery { column-count: 2; }
  .intro__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .ueber__grid { grid-template-columns: 1fr; }
  .ueber__portrait { max-width: 460px; }
  .serie__note { text-align: left; }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed; inset: 0 0 0 auto;
    width: min(80vw, 320px);
    flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 1.8rem; padding: 2.5rem;
    background: var(--bg-2); border-left: 1px solid var(--hairline);
    transform: translateX(100%);
    transition: transform var(--dur) var(--ease-soft);
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { font-size: var(--step-1); }
  .nav__burger {
    display: inline-flex; flex-direction: column; gap: 5px; padding: 0.5rem; z-index: 70;
  }
  .nav__burger span { width: 26px; height: 2px; background: var(--text); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
  .nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 520px) {
  .gallery { column-count: 1; }
  .lightbox__nav { top: auto; bottom: 5rem; transform: none; }
  .lightbox__nav--prev { left: var(--gutter); }
  .lightbox__nav--next { right: var(--gutter); }
}