/* ==========================================================================
   Design-Tokens
   ========================================================================== */
:root {
  --bg: #151210;
  --bg-deep: #090807;
  --bg-raised: #201E1B;
  --text: #A9A39E;
  --text-strong: #F7F3EF;
  --accent: #E29647;
  --border: #67625F;
  --line: #3B3734;
  --line-soft: #24211F;
  --gradient: linear-gradient(90deg, #4AA3A1 0%, #7CB9A8 25%, #C2BF80 50%, #E29647 75%, #D75A32 100%);
  --gutter: 4vw;
  --font: 'Inter Tight', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --radius-card: 24px;

  /* Projekt-Sheet: helle Umkehrfläche */
  --sheet-bg: #F7F3EF;
  --sheet-text: #151210;
  --sheet-muted: #67625D;
  --sheet-line: #D5D0CB;
  --sheet-img: #E8E4DF;
  --scrim: rgba(9, 8, 7, 0.72);

  /* Motion-Tokens – Regeln siehe info/DESIGN.md, Abschnitt Motion */
  --dur-fast: 150ms;   /* Hover, Fokus, Chips */
  --dur-base: 300ms;   /* Seitenwechsel, Filter-Reflow, Sheet schliessen */
  --dur-sheet: 500ms;  /* Sheet öffnen */
  --dur-slow: 600ms;   /* Reveal beim Scrollen */
  --ease-out: cubic-bezier(0.2, 0.7, 0, 1);  /* etwas kommt herein */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);     /* etwas geht weg */
  --ease-std: cubic-bezier(0.4, 0, 0.2, 1);  /* Zustandswechsel */
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-strong); text-decoration: none; }
a:hover { color: var(--text); }

::selection { background: var(--accent); color: var(--bg); }

.eyebrow {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum' 1;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.lead {
  margin: 0;
  text-align: right;
  color: var(--text);
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.6;
  text-wrap: pretty;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--gutter);
  background: linear-gradient(180deg, rgba(21, 18, 16, 0.85) 0%, rgba(21, 18, 16, 0) 100%);
}

.logo {
  display: flex;
  align-items: flex-start;
  color: var(--text-strong);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.site-nav { display: flex; gap: 8px; }

.nav-pill {
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 10px 22px;
  border-radius: 999px;
  transition: all .3s ease;
  color: var(--text-strong);
  background: rgba(21, 18, 16, 0.25);
  border: 1px solid var(--border);
}
.nav-pill:hover { color: var(--text-strong); border-color: var(--text-strong); }
.nav-pill[aria-current="page"] {
  color: var(--bg);
  background: var(--text-strong);
  border-color: var(--text-strong);
}

/* ==========================================================================
   Pfeil-Buttons (Hero-Formen & Projekt-Slider)
   ========================================================================== */
.arrow-btn {
  width: 84px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-strong);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.arrow-btn:hover {
  border-color: var(--text-strong);
  background: var(--bg-raised);
}
.arrow-btn--glass { background: rgba(21, 18, 16, 0.35); }

.controls { display: flex; align-items: center; gap: 16px; }

/* ==========================================================================
   Hero (index.html)
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  background: var(--bg);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero__aside {
  position: absolute;
  right: var(--gutter);
  top: 38%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 24px;
  max-width: min(420px, 80vw);
}

.hero__text {
  margin: 0;
  text-align: right;
  color: var(--text-strong);
  font-size: clamp(15px, 1.25vw, 19px);
  line-height: 1.55;
  font-weight: 300;
  text-wrap: pretty;
  text-shadow: 0 1px 18px rgba(9, 8, 7, 0.8);
}

.hero__bottom {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: var(--gutter);
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1vw, 16px);
  pointer-events: none;
}

.hero__title {
  margin: 0 0 0 -0.04em;
  color: var(--text-strong);
  font-weight: 600;
  font-size: clamp(54px, 14.6vw, 290px);
  line-height: 0.8;
  letter-spacing: -0.065em;
  text-transform: uppercase;
}

.hero__bar {
  height: clamp(10px, 1.7vw, 30px);
  width: 100%;
  background: var(--gradient);
}

/* ==========================================================================
   Projekte – Übersicht (projects/)
   ========================================================================== */
.projects {
  position: relative;
  overflow-x: clip;
  padding: clamp(96px, 11vw, 180px) var(--gutter) clamp(80px, 9vw, 140px);
}

.projects__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.projects__head .lead { max-width: 520px; }

.projects__intro { display: flex; flex-direction: column; gap: 24px; }
.projects__label {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

/* Filter-Chips */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(32px, 4vw, 56px);
}
.chip {
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-strong);
  font-family: inherit;
  font-size: 16px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-std), color var(--dur-fast) var(--ease-std), border-color var(--dur-fast) var(--ease-std);
}
.chip:hover { border-color: var(--text-strong); }
.chip.is-active {
  background: var(--text-strong);
  border-color: var(--text-strong);
  color: var(--bg);
}
.chip:focus-visible { outline: 2px solid var(--text-strong); outline-offset: 2px; }

/* Karten */
.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 2.8vw, 40px);
}
.card[hidden] { display: none; }

.card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-raised);
  overflow: hidden;
  color: var(--text-strong);
  transition: border-color var(--dur-base) var(--ease-std);
}
a.card__link:hover { border-color: var(--border); color: var(--text-strong); }
a.card__link:focus-visible { outline: 2px solid var(--text-strong); outline-offset: 3px; }

.card__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--bg-deep);
}
.card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
a.card__link:hover .card__media img { transform: scale(1.04); }

.card__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  padding: clamp(24px, 2.2vw, 32px);
}

.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags li {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-strong);
}

.card__title {
  margin: 4px 0 0;
  font-size: clamp(28px, 2.5vw, 36px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.card__title span { display: inline-block; }

.card__text {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  text-wrap: pretty;
}

.card__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 24px;
  font-size: 20px;
}
.card__arrow { display: inline-block; transition: transform var(--dur-fast) var(--ease-std); }
a.card__link:hover .card__arrow,
a.card__link:focus-visible .card__arrow { transform: translateX(4px); }

.card--soon .card__link { opacity: 0.6; }
.card--soon .card__cta { font-size: 16px; color: var(--text); }

.cards__empty { margin: 32px 0 0; color: var(--text); }

/* Projekt-Visual: Aurora Vertex */
.art-aurora { background: radial-gradient(ellipse at 55% 50%, #22201D 0%, #090807 70%); }
.art-aurora__a,
.art-aurora__b { position: absolute; width: 30%; border-radius: 28px; }
.art-aurora__a {
  left: 24%;
  top: 22%;
  height: 56%;
  background: linear-gradient(135deg, rgba(247,243,239,0.26), rgba(247,243,239,0.03) 45%, rgba(247,243,239,0.14));
  border: 1px solid rgba(247,243,239,0.35);
  transform: rotate(-28deg);
  box-shadow: inset 3px 3px 0 rgba(124,185,168,0.55), inset -3px -3px 0 rgba(226,150,71,0.4), 0 30px 80px rgba(9,8,7,0.7);
}
.art-aurora__b {
  left: 46%;
  top: 18%;
  height: 60%;
  background: linear-gradient(200deg, rgba(247,243,239,0.3), rgba(247,243,239,0.02) 50%, rgba(194,191,128,0.18));
  border: 1px solid rgba(247,243,239,0.4);
  transform: rotate(22deg);
  box-shadow: inset -3px 2px 0 rgba(74,163,161,0.55), inset 3px -3px 0 rgba(215,90,50,0.4), 0 30px 80px rgba(9,8,7,0.7);
}

/* Projekt-Visual: Cyber Topo */
.art-topo__rings {
  position: absolute;
  left: 18%;
  top: -20%;
  width: 90%;
  height: 140%;
  border-radius: 46% 54% 40% 60%;
  background: repeating-radial-gradient(ellipse at 40% 55%, rgba(247,243,239,0.75) 0px, rgba(247,243,239,0.75) 1.5px, rgba(247,243,239,0) 2.5px, rgba(247,243,239,0) 14px);
  transform: rotate(-14deg);
  -webkit-mask-image: radial-gradient(ellipse at 45% 50%, #000 30%, transparent 68%);
  mask-image: radial-gradient(ellipse at 45% 50%, #000 30%, transparent 68%);
}
.art-topo__line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--gradient);
}

/* ==========================================================================
   Projekt-Sheet (öffnet sich von unten auf /projects/)
   ========================================================================== */
html.has-sheet { overflow: hidden; }

.sheet {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  overflow: hidden;
  color: var(--sheet-text);
}
.sheet::backdrop {
  background: rgba(9, 8, 7, 0);
  transition: background var(--dur-base) var(--ease-in);
}
.sheet.is-open::backdrop {
  background: var(--scrim);
  transition: background var(--dur-sheet) var(--ease-out);
}

.sheet__close {
  position: absolute;
  top: 12px;
  left: 50%;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: var(--text-strong);
  color: var(--bg);
  cursor: pointer;
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity var(--dur-fast) var(--ease-std);
}
.sheet.is-open .sheet__close { opacity: 1; transition-delay: 150ms; }
.sheet__close:focus-visible { outline: 2px solid var(--text-strong); outline-offset: 3px; }

.sheet__panel {
  position: absolute;
  top: 64px;
  right: 0;
  bottom: 0;
  left: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--sheet-bg);
  border-radius: 16px 16px 0 0;
  transform: translateY(100%);
  transition: transform var(--dur-base) var(--ease-in);
}
.sheet.is-open .sheet__panel {
  transform: none;
  transition: transform var(--dur-sheet) var(--ease-out);
}

.sheet__content {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(32px, 4vw, 56px) var(--gutter) 96px;
}

.sheet__grid {
  display: grid;
  grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
  align-items: start;
  gap: clamp(24px, 3vw, 48px);
}

/* Linke Spalte bleibt beim Scrollen stehen */
.sheet__side { position: sticky; top: 40px; }

.sheet__title {
  margin: 0 0 40px;
  font-size: clamp(22px, 1.8vw, 26px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.sheet__info { margin: 0; display: flex; flex-direction: column; gap: 28px; }
.sheet__row dt {
  padding-bottom: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--sheet-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sheet-muted);
}
.sheet__row dd { margin: 0; font-size: 15px; line-height: 1.5; text-wrap: pretty; }

.sheet__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}
.sheet__status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sheet-muted);
}

.sheet__play {
  display: inline-flex;
  padding: 12px 24px;
  border: 1px solid var(--sheet-text);
  border-radius: 999px;
  background: var(--sheet-text);
  color: var(--sheet-bg);
  font-size: 15px;
  transition: background var(--dur-fast) var(--ease-std), color var(--dur-fast) var(--ease-std);
}
.sheet__play:hover { background: transparent; color: var(--sheet-text); }
.sheet__play.is-offline { background: transparent; color: var(--sheet-text); border-color: var(--sheet-line); }

.sheet__media { display: flex; flex-direction: column; gap: 16px; }
.sheet__figure { margin: 0; }
.sheet__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: var(--sheet-img);
}

.sheet__text { padding: 24px 0; }
.sheet__text h3 {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sheet-muted);
}
.sheet__text p { margin: 0 0 1em; max-width: 60ch; font-size: 16px; line-height: 1.6; }
.sheet__text p:last-child { margin-bottom: 0; }
.sheet__text code { font-family: var(--font-mono); font-size: 0.85em; }

/* ==========================================================================
   Services (services.html)
   ========================================================================== */
.services {
  padding: clamp(96px, 11vw, 180px) var(--gutter) clamp(96px, 10vw, 160px);
}

.services__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: clamp(56px, 6vw, 96px);
}
.services__head .lead { max-width: 640px; }

.services__intro { display: flex; flex-direction: column; gap: 24px; }
.services__intro .eyebrow { font-size: 13px; }

.services__title {
  margin: 0;
  color: var(--text-strong);
  font-weight: 600;
  font-size: clamp(30px, 3vw, 44px);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(24px, 2.4vw, 40px);
}

.service { display: flex; flex-direction: column; gap: 24px; }

.service__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--bg-deep);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.service__body { display: flex; flex-direction: column; gap: 16px; }

.service__title {
  margin: 0;
  color: var(--text-strong);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.service__text {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  text-wrap: pretty;
}

/* Service-Visual 1: Säulen */
.art-pillars__a,
.art-pillars__b { position: absolute; top: 0; border-top: none; }
.art-pillars__a {
  left: 24%;
  width: 20%;
  height: 52%;
  background: linear-gradient(90deg, rgba(247,243,239,0.3), rgba(247,243,239,0.04) 45%, rgba(247,243,239,0.18));
  border: 1px solid rgba(247,243,239,0.3);
  border-top: none;
  box-shadow: inset 3px 0 0 rgba(74,163,161,0.6), inset -3px 0 0 rgba(226,150,71,0.5);
}
.art-pillars__b {
  left: 52%;
  width: 22%;
  height: 76%;
  border-radius: 0 0 40% 10%;
  background: linear-gradient(90deg, rgba(247,243,239,0.22), rgba(124,185,168,0.08) 50%, rgba(247,243,239,0.26));
  border: 1px solid rgba(247,243,239,0.32);
  border-top: none;
  box-shadow: inset 3px 0 0 rgba(124,185,168,0.6), inset -3px 0 0 rgba(215,90,50,0.45);
}

/* Service-Visual 2: Kissen */
.service__visual--cushion { background: radial-gradient(circle at 50% 50%, #282522 0%, #090807 65%); }
.art-cushion__a {
  position: absolute;
  left: 12%;
  top: 32%;
  width: 44%;
  height: 36%;
  border-radius: 24px 60px 24px 60px;
  background: linear-gradient(135deg, rgba(247,243,239,0.3), rgba(247,243,239,0.02) 50%, rgba(194,191,128,0.2));
  border: 1px solid rgba(247,243,239,0.35);
  transform: rotate(-18deg);
  box-shadow: inset 2px 2px 0 rgba(124,185,168,0.6);
}
.art-cushion__b {
  position: absolute;
  left: 44%;
  top: 26%;
  width: 42%;
  height: 42%;
  border-radius: 60px 24px 60px 24px;
  background: linear-gradient(225deg, rgba(247,243,239,0.32), rgba(247,243,239,0.03) 55%, rgba(226,150,71,0.2));
  border: 1px solid rgba(247,243,239,0.4);
  transform: rotate(28deg);
  box-shadow: inset -2px 2px 0 rgba(74,163,161,0.6);
}

/* Service-Visual 3: Pyramide */
.service__visual--pyramid { background: linear-gradient(160deg, #1F1C1A 0%, #090807 60%); }
.art-pyramid__body,
.art-pyramid__edge { position: absolute; left: 22%; top: 20%; width: 56%; height: 58%; }
.art-pyramid__body {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: linear-gradient(115deg, rgba(247,243,239,0.05) 0%, rgba(247,243,239,0.32) 44%, rgba(247,243,239,0.06) 46%, rgba(74,163,161,0.35) 70%, rgba(226,150,71,0.5) 86%, rgba(215,90,50,0.55) 100%);
}
.art-pyramid__edge {
  clip-path: polygon(50% 0%, 100% 100%, 99% 100%, 50% 2%, 1% 100%, 0% 100%);
  background: rgba(247,243,239,0.55);
}
.art-pyramid__shadow {
  position: absolute;
  left: 18%;
  top: 80%;
  width: 64%;
  height: 12%;
  background: radial-gradient(ellipse, rgba(226,150,71,0.25), rgba(9,8,7,0) 70%);
  filter: blur(8px);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { padding: 0 var(--gutter) 48px; }

.site-footer__rule { height: 1px; background: var(--line); margin-bottom: 24px; }

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-size: 13px;
  color: var(--text);
}

.site-footer__brand { display: flex; align-items: center; gap: 24px; }

.logo--small { font-size: 20px; }

.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: var(--text); transition: color .2s; }
.footer-nav a:hover,
.footer-nav a[aria-current="page"] { color: var(--text-strong); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Hochformat (Tablet): Hero-Text über die Form statt mitten hinein */
@media (orientation: portrait) {
  .hero__aside { top: clamp(88px, 12vh, 140px); }
}

@media (max-width: 767px) {
  :root { --gutter: 16px; }

  .site-header { padding: 16px var(--gutter); }
  .logo { font-size: 28px; }
    .site-nav { gap: 4px; }
  .nav-pill { padding: 8px 14px; font-size: 13px; }

  /* Lange Absätze: rechtsbündig nur bis ~4 Zeilen, darunter flush-left */
  .lead { text-align: left; }

  /* Hero: Text + Pfeile unter den Header, Form darunter frei */
  .hero__aside {
    top: 88px;
    left: var(--gutter);
    max-width: none;
    gap: 16px;
  }
  .hero__text { font-size: 15px; }
  .arrow-btn { width: 64px; height: 40px; }

  /* Projekte */
  .projects { padding-top: 96px; }
  .projects__head { gap: 24px; margin-bottom: 32px; }
  .filters { gap: 8px; }
  .chip { height: 40px; padding: 0 16px; font-size: 15px; }
  .cards { grid-template-columns: 1fr; }
  .card__cta { font-size: 18px; }

  /* Projekt-Sheet: fast Vollbild, eine Spalte */
  .sheet__panel { top: 56px; border-radius: 12px 12px 0 0; }
  .sheet__close { top: 8px; }
  .sheet__grid { grid-template-columns: 1fr; gap: 40px; }
  .sheet__side { position: static; }
  .sheet__info { gap: 20px; }

  /* Services */
  .services { padding-top: 96px; }
  .services__head { gap: 24px; margin-bottom: 40px; }
  .service-grid { gap: 48px; }

  /* Footer */
  .site-footer__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-nav { flex-wrap: wrap; gap: 8px 24px; }
}

@media (max-width: 359px) {
  .nav-pill { padding: 8px 10px; font-size: 12px; }
}

/* ==========================================================================
   Motion – Regeln siehe info/DESIGN.md
   ========================================================================== */

/* 1. Seitenwechsel (alle Seiten): Cross-Document View Transition */
@view-transition { navigation: auto; }

/* Header bleibt zwischen Seiten stehen */
.site-header { view-transition-name: site-header; }

::view-transition-old(root) { animation: vt-out var(--dur-fast) var(--ease-in) both; }
::view-transition-new(root) { animation: vt-in var(--dur-base) var(--ease-out) both; }

@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-in { from { opacity: 0; transform: translateY(12px); } }

/* 2. Reflow: Karten beim Filtern (projects.js setzt die Namen nur währenddessen) */
::view-transition-group(*) {
  animation-duration: var(--dur-base);
  animation-timing-function: var(--ease-out);
}

/* 3. Reveal: Bilder/Karten beim ersten Erscheinen (motion.js setzt die Klassen) */
.reveal-ready [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(24px);
}
.reveal-ready [data-reveal] {
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 80ms);
}

/* Reduzierte Bewegung: alles aus, Inhalte sofort sichtbar */
@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  .reveal-ready [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .card__media img,
  .card__arrow { transition: none; }
  /* Sheet: nur Einblenden, keine Bewegung */
  .sheet__panel,
  .sheet.is-open .sheet__panel { transform: none; transition: opacity var(--dur-fast) linear; }
  .sheet__panel { opacity: 0; }
  .sheet.is-open .sheet__panel { opacity: 1; }
  a.card__link:hover .card__media img { transform: none; }
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
}