/* ------------------------------------------------------------------
   360° — Landingpage auf Weiß
   Logo und Menü bleiben fixiert und invertieren sich per
   mix-blend-mode gegen den Untergrund (auf Weiß: schwarz).
   ------------------------------------------------------------------ */

:root {
  --bg: #fff;
  --ink: #111;
  --muted: #6b6b68;
  --line: #e7e7e4;
  --tint: #f4f4f2;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --rail: clamp(8.5rem, 13vw, 11.5rem);   /* Platz für Logo und Menü links */
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

html { background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Logo & Menü (gleich wie auf den Galerie-Seiten) ---------------- */

.logo {
  position: fixed;
  top: clamp(1.25rem, 3vw, 2.5rem);
  left: clamp(1.25rem, 3vw, 2.5rem);
  z-index: 20;
  display: block;
  font-family: var(--serif);
  font-size: clamp(0.8rem, 1.6vw, 1.05rem);
  line-height: 1.35;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  color: #fff;
  mix-blend-mode: difference;
  opacity: .9;
  transition: opacity .4s ease;
}

.logo:hover { opacity: 1; }

/* mix-blend-mode sitzt bewusst auf .sections selbst (dem position:fixed-
   Element), nicht auf den <a> darunter — sonst hat der Blend-Modus in
   Chrome keine Wirkung. */
.sections {
  position: fixed;
  top: clamp(4.5rem, 9vw, 6.25rem);
  left: clamp(1.25rem, 3vw, 2.5rem);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 0.35em;
  color: #fff;
  mix-blend-mode: difference;
}

.sections a {
  display: block;
  font-family: var(--serif);
  font-size: clamp(0.75rem, 1.3vw, 0.9rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: inherit;
  opacity: .7;
  transition: opacity .3s ease;
}

.sections a:hover,
.sections a[aria-current="page"] { opacity: 1; }

/* --- Seite ------------------------------------------------------------ */

.page {
  max-width: calc(var(--rail) + 62rem);
  margin: 0 auto;
  padding: 0 var(--gutter) 0 calc(var(--rail) + var(--gutter));
}

.page section,
.hero {
  padding: clamp(3rem, 8vw, 6.5rem) 0;
}

.page section { border-top: 1px solid var(--line); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 .6em;
  letter-spacing: -0.005em;
}

h1 { font-size: clamp(2rem, 4.6vw, 3.5rem); max-width: 18ch; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); max-width: 26ch; }
h3 { font-size: 1.2rem; line-height: 1.3; }

p { margin: 0 0 1.1em; max-width: 62ch; }

a { color: inherit; text-underline-offset: .18em; }

.hero { padding-top: clamp(7rem, 14vw, 10rem); }

.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  line-height: 1.55;
  max-width: 48ch;
}

.section-lead { color: var(--muted); }

.button {
  display: inline-block;
  padding: .85em 1.6em;
  background: var(--ink);
  color: #fff;
  font: 400 .8rem/1 var(--serif);
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: opacity .3s ease;
}

.button:hover { opacity: .75; }

.button:focus-visible,
a:focus-visible,
summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* --- Bilder & Drehansichten -------------------------------------------- */

img { display: block; width: 100%; height: auto; background: var(--tint); }

figure { margin: 0; }

figcaption {
  margin-top: .6rem;
  font-size: .82rem;
  color: var(--muted);
}

.spin {
  aspect-ratio: 4 / 3;
  background: var(--tint);
}

.spin--wide { aspect-ratio: 16 / 9; }

.spin .Sirv { width: 100%; height: 100%; }

.wide { margin: 2.5rem 0; }

/* --- Abschnitte ---------------------------------------------------------- */

.benefits,
.service {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem) clamp(2rem, 5vw, 4rem);
  margin: 2.5rem 0;
}

.benefits article,
.service article { min-width: 0; }

.benefits p,
.service p { max-width: none; }

.sources { font-size: .8rem; color: var(--muted); }

.story {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin: 2.5rem 0;
}

.examples__wide { grid-column: 1 / -1; }

.quotes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3rem);
  margin-top: 2rem;
}

blockquote { margin: 0; }

blockquote p {
  font: italic 400 1.25rem/1.5 var(--serif);
  max-width: none;
}

blockquote footer { font-size: .85rem; color: var(--muted); }

.faq { margin-top: 2rem; border-top: 1px solid var(--line); }

.faq details { border-bottom: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  padding: 1.1rem 2rem 1.1rem 0;
  font: 400 1.15rem/1.35 var(--serif);
  list-style: none;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: '+';
  position: absolute;
  right: .25rem;
  top: 1rem;
  font-size: 1.4rem;
  line-height: 1;
  transition: transform .25s ease;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p { padding-bottom: .5rem; }

.contact address { font-style: normal; margin-top: 2rem; }

.foot {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  font: .75rem/1 var(--serif);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.foot a { text-decoration: none; color: var(--muted); }
.foot a:hover { color: var(--ink); }

/* --- Tablet / Mobil ------------------------------------------------------ */

@media (max-width: 900px) {
  /* Logo und Menü scrollen mit, statt über dem Text zu stehen */
  .logo, .sections { position: absolute; }

  .page { padding: 0 var(--gutter); }
  .hero { padding-top: 12.5rem; }
}

@media (max-width: 700px) {
  .benefits, .service, .story, .examples, .quotes { grid-template-columns: minmax(0, 1fr); }
  .examples__wide { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* Untermenü „Bilder": Fashion, Stills und Food in einer zweiten Ebene.
   Natives <details>, funktioniert ohne Skript und per Tastatur. */
.sections summary {
  display: block;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(0.75rem, 1.3vw, 0.9rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
  opacity: .7;
  transition: opacity .3s ease;
}

.sections summary::-webkit-details-marker { display: none; }
.sections summary::after { content: ' +'; }
.sections .sub[open] > summary::after { content: ' \2212'; }
.sections summary:hover,
.sections .sub[open] > summary { opacity: 1; }
.sections summary:focus-visible { outline: 1px solid currentColor; outline-offset: 3px; }

.sections .sub a { margin-top: 0.35em; padding-left: 1.1em; }
.sections a[aria-current="page"] { opacity: 1; }