/* ==========================================================================
   Graskind – Komponenten (alle Seiten)
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--paper-white); --btn-fg: var(--gk-green-ink); --btn-bd: var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  min-height: 48px; padding: .7em 1.25em; border-radius: 10px;
  border: 1.5px solid var(--btn-bd); background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 700; font-size: 1rem; line-height: 1.15; text-decoration: none; text-align: center;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 2px 0 rgba(30, 22, 6, .12);
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), background-color .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); color: var(--btn-fg); box-shadow: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 8px 18px -8px rgba(30, 22, 6, .45); }
.btn:active { transform: translateY(0); }
.btn .icon { width: 1.15em; height: 1.15em; flex: none; }
.btn--primary { --btn-bg: var(--gk-green); --btn-fg: #fff; --btn-bd: var(--gk-green); }
.btn--primary:hover { --btn-bg: var(--gk-green-deep); }
.btn--yellow { --btn-bg: var(--gk-yellow); --btn-fg: var(--ink); --btn-bd: #E6B400; }
.btn--ghost { --btn-bg: transparent; }
.btn--dark { --btn-bg: var(--ink); --btn-fg: var(--paper-white); --btn-bd: var(--ink); }
.btn--small { min-height: 40px; padding: .5em .95em; font-size: .92rem; }
.btn--block { width: 100%; }
.on-dark .btn--ghost { --btn-fg: #fff; --btn-bd: rgba(255, 255, 255, .5); }

.icon { display: inline-block; width: 1.2em; height: 1.2em; flex: none; vertical-align: -.2em; }
.icon--ext { width: .85em; height: .85em; margin-left: .3em; vertical-align: -.05em; opacity: .7; }

.link-arrow { display: inline-flex; align-items: center; gap: .4em; font-weight: 700; text-decoration: none; }
.link-arrow .icon { transition: transform .25s var(--ease-out); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ---------- Chips / Auswahl ---------- */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; list-style: none; }
.chip {
  display: inline-flex; align-items: center; gap: .5em; min-height: 40px; padding: .45em .95em;
  border-radius: 99px; border: 1.5px solid var(--line-strong); background: rgba(251, 247, 238, .75);
  font-weight: 600; font-size: .92rem; color: var(--ink); text-decoration: none;
  transition: background-color .2s, border-color .2s, transform .2s var(--ease-out);
}
.chip:hover { border-color: var(--gk-green); color: var(--ink); transform: translateY(-1px); }
.chip[aria-pressed="true"], .chip[aria-current="true"] { background: var(--gk-green); border-color: var(--gk-green); color: #fff; }
@media (pointer: coarse) { .chip { min-height: 44px; } }
.chip__dot { width: .8em; height: .8em; border-radius: 50%; background: var(--dot, var(--gk-green)); box-shadow: 0 0 0 2px rgba(255, 255, 255, .7); }
.chip__count { font-variant-numeric: tabular-nums; opacity: .7; font-weight: 700; }

/* ---------- Kopfzeile ---------- */
.site-header {
  position: fixed; inset: 10px 10px auto; z-index: 100;
  pointer-events: none;
}
.site-header__bar {
  pointer-events: auto;
  display: flex; align-items: center; gap: 1rem;
  max-width: 1400px; margin: 0 auto; height: calc(var(--header-h) - 10px);
  padding: 0 .55rem 0 1.15rem; border-radius: 16px;
  background: rgba(251, 247, 238, .92);
  -webkit-backdrop-filter: blur(10px) saturate(1.2); backdrop-filter: blur(10px) saturate(1.2);
  box-shadow: 0 0 0 1px rgba(16, 35, 28, .08), 0 10px 30px -14px rgba(30, 22, 6, .35);
  transition: transform .45s var(--ease-out);
}
.site-header.is-hidden .site-header__bar { transform: translateY(calc(-100% - 14px)); }
.brand { display: block; flex: none; padding: 8px 4px; }
.brand img { width: clamp(118px, 9vw + 40px, 156px); height: auto; }
.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: .15rem; margin: 0; padding: 0; list-style: none; }
.site-nav a {
  position: relative; display: block; padding: .55rem .8rem; border-radius: 8px;
  color: var(--ink); font-weight: 600; font-size: .95rem; text-decoration: none;
}
.site-nav a::after {
  content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .32rem; height: 3px; border-radius: 2px;
  background: var(--gk-green); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease-out);
}
.site-nav a:hover::after, .site-nav a[aria-current]::after { transform: scaleX(1); }
.site-header__actions { display: flex; align-items: center; gap: .45rem; }
.site-header__cta .icon { width: 1.05em; height: 1.05em; }

.menu-toggle {
  display: none; align-items: center; gap: .55rem; min-height: 44px; padding: 0 .9rem;
  border: 1.5px solid var(--line-strong); border-radius: 10px; background: transparent; font-weight: 700;
}
.menu-toggle__lines, .menu-toggle__lines::before, .menu-toggle__lines::after {
  display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .3s var(--ease-out), opacity .2s;
}
.menu-toggle__lines { position: relative; }
.menu-toggle__lines::before, .menu-toggle__lines::after { content: ""; position: absolute; left: 0; }
.menu-toggle__lines::before { top: -6px; }
.menu-toggle__lines::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__lines { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__lines::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__lines::after { transform: translateY(-6px) rotate(-45deg); }

.menu-panel {
  pointer-events: auto;
  max-width: 1400px; margin: 8px auto 0; padding: 1.25rem 1.25rem 1.4rem; border-radius: 16px;
  background: var(--paper-white); box-shadow: var(--shadow-3);
  max-height: calc(100svh - var(--header-h) - 30px); overflow: auto;
}
.menu-panel__title { margin: 0 0 .5rem; font-size: var(--fs-label); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute); }
.menu-panel__chapters { list-style: none; margin: 0 0 1rem; padding: 0; }
.menu-panel__chapters a {
  display: flex; align-items: baseline; gap: .8rem; padding: .55rem 0; border-bottom: 1px solid var(--line);
  font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; color: var(--ink); text-decoration: none;
}
.menu-panel__chapters span { font-size: .8rem; color: var(--gk-green); font-variant-numeric: tabular-nums; }
.menu-panel__pages { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: 0 0 1rem; padding: 0; }
.menu-panel__pages a { display: inline-block; padding: .5rem .85rem; border-radius: 99px; background: var(--paper-2); color: var(--ink); text-decoration: none; font-weight: 600; }

.journey-progress { position: absolute; left: 22px; right: 22px; bottom: -4px; height: 3px; max-width: 1360px; margin: 0 auto; border-radius: 3px; overflow: hidden; pointer-events: none; }
.journey-progress span { display: block; height: 100%; background: var(--gk-green); transform-origin: left; transform: scaleX(var(--p, 0)); }

/* Menü: mit JS ausklappbar, ohne JS als statische Liste (mobil) */
.js .menu-panel:not(.is-open) { display: none; }
html:not(.js) .menu-toggle, html:not(.js) [data-motion-toggle] { display: none; }
html:not(.js) .site-header { position: relative; inset: auto; margin: 8px; }
@media (min-width: 1181px) { html:not(.js) .menu-panel { display: none; } }

/* Bewegungsschalter */
.motion-toggle {
  display: inline-flex; align-items: center; gap: .55rem; min-height: 40px; padding: 0 .7rem;
  border: 0; border-radius: 10px; background: transparent; font-size: .86rem; font-weight: 600; color: var(--ink-soft);
}
.motion-toggle:hover { background: rgba(16, 35, 28, .06); }
.motion-toggle__switch {
  position: relative; width: 34px; height: 20px; border-radius: 99px; background: var(--paper-3); flex: none;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .15); transition: background-color .2s;
}
.motion-toggle__switch::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .25); transition: transform .25s var(--ease-out);
}
.motion-toggle[aria-pressed="true"] .motion-toggle__switch { background: var(--gk-green); }
.motion-toggle[aria-pressed="true"] .motion-toggle__switch::after { transform: translateX(14px); }
.motion-toggle--panel { padding-left: 0; }
@media (hover: none) { .site-header__actions > .motion-toggle:hover { background: transparent; } } /* kein „klebender“ Hover nach Antippen */

@media (max-width: 1180px) {
  .site-nav { display: none; }
  .site-header__actions { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 760px) {
  .site-header { inset: 8px 8px auto; }
  .site-header__bar { padding-left: .8rem; gap: .5rem; }
  /* 3D-Schalter bleibt mobil in der Kopfzeile – kompakt mit Kurzlabel „3D“ (Name für Screenreader: aria-label) */
  .site-header__actions > .motion-toggle { min-height: 44px; padding: 0 .45rem; gap: .4rem; white-space: nowrap; }
  .site-header__actions .motion-toggle__more { display: none; }
  .site-header__cta span { display: none; }
  .site-header__cta { width: 44px; min-height: 44px; padding: 0; }
  .menu-toggle__label { display: none; }
  .menu-toggle { width: 44px; justify-content: center; padding: 0; }
}
@media (max-width: 359px) {
  .site-header__bar { padding-left: .6rem; gap: .3rem; }
  .brand img { width: 104px; }
  .site-header__actions { gap: .3rem; }
  .site-header__actions > .motion-toggle { padding: 0 .3rem; gap: .3rem; }
}

/* ---------- Faktenlisten ---------- */
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.facts li { position: relative; padding-left: 1.4rem; }
.facts li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: .62rem; height: .62rem; border-radius: 3px;
  background: var(--gk-green); transform: rotate(-8deg);
}
.facts--inline { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; }

/* ---------- Produktkachel (Startseite + Produktseite) ---------- */
.product {
  position: relative; display: grid; grid-template-rows: auto 1fr; gap: .9rem;
  padding: 1rem 1rem 1.15rem; border-radius: var(--radius-l);
  background: rgba(251, 247, 238, .72); box-shadow: 0 0 0 1px var(--line);
  transition: box-shadow .3s var(--ease-out), transform .3s var(--ease-out), background-color .3s;
}
.product:hover { background: var(--paper-white); box-shadow: 0 0 0 1px var(--line), var(--shadow-2); }
.product__media {
  position: relative; display: grid; place-items: end center; aspect-ratio: 1 / 1;
  padding: 1rem 1rem .5rem; border-radius: calc(var(--radius-l) - 8px);
  background:
    linear-gradient(to top, rgba(30, 22, 6, .10), transparent 30%),
    radial-gradient(120% 90% at 50% 100%, color-mix(in oklab, var(--tint, var(--gk-green-light)) 55%, var(--paper)) 0%, var(--paper-2) 72%);
  overflow: hidden;
}
.product__media::after { /* Regalkante */
  content: ""; position: absolute; left: 8%; right: 8%; bottom: 12px; height: 10px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(30, 22, 6, .35), transparent); filter: blur(2px);
}
.product__media img {
  position: absolute; z-index: 1; left: 9%; top: 7%; width: 82%; height: 85%;
  object-fit: contain; object-position: 50% 100%;
  filter: drop-shadow(0 10px 12px rgba(30, 22, 6, .22));
  transition: transform .5s var(--ease-out);
}
.product:hover .product__media img { transform: translateY(-6px) rotate(-1deg); }
.product__media--tall img { top: 5%; height: 88%; }
.product__text { display: flex; flex-direction: column; gap: .55rem; }
.product__cat { font-size: var(--fs-label); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gk-green-deep); }
.product__name { font-size: 1.2rem; line-height: 1.15; letter-spacing: -.015em; }
.product__short { margin: 0; color: var(--ink-soft); font-size: .96rem; }
.product__buy { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: auto; padding-top: .35rem; }
.product__note { font-size: .78rem; color: var(--ink-mute); margin: 0; }
.product__placeholder {
  position: relative; z-index: 1; display: grid; place-items: center; width: 62%; height: 88%;
  border: 2px dashed rgba(4, 120, 92, .35); border-radius: 8px; color: var(--gk-green-deep);
  text-align: center; font-weight: 700; font-size: .9rem; padding: 1rem; background: rgba(251, 247, 238, .5);
}
.price { font-weight: 800; color: var(--gk-green-deep); }
.price small { font-weight: 500; color: var(--ink-mute); }

/* ---------- Lightbox (Karten, Seiten, Poster) ---------- */
.lightbox {
  width: min(100vw - 24px, 1080px); max-height: calc(100svh - 24px); padding: 0; border: 0; border-radius: 22px;
  background: var(--paper-white); color: var(--ink); box-shadow: var(--shadow-3); overflow: hidden; overscroll-behavior: contain;
}
.lightbox::backdrop { background: rgba(10, 20, 16, .62); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.lightbox[open] { animation: lb-in .45s var(--ease-out); }
@keyframes lb-in { from { opacity: 0; transform: translateY(18px) scale(.97); } }
.lightbox__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); max-height: calc(100svh - 24px); overflow: auto; }
.lightbox__close {
  position: absolute; top: 12px; right: 12px; z-index: 3; display: grid; place-items: center; width: 46px; height: 46px;
  border: 0; border-radius: 50%; background: rgba(251, 247, 238, .92); box-shadow: var(--shadow-1);
}
.lightbox__close .icon { width: 22px; height: 22px; }
.lightbox__media {
  position: relative; display: grid; place-items: center; padding: clamp(1.25rem, 3vw, 2.5rem);
  background: color-mix(in oklab, var(--tint, var(--gk-green-light)) 45%, var(--paper));
  background-image: var(--tex-fibers); background-size: 512px; background-blend-mode: multiply;
  perspective: 1400px;
}
.lightbox__media img { max-height: min(72svh, 720px); width: auto; border-radius: 4.5% / 3%; box-shadow: var(--shadow-3); }
.lightbox__media--page img { border-radius: 4px; }
.lightbox__body { padding: clamp(1.4rem, 3vw, 2.6rem); display: flex; flex-direction: column; gap: 1rem; }
.lightbox__body h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); padding-right: 3rem; }
.lightbox__sub { margin: -.5rem 0 0; color: var(--ink-mute); font-style: italic; }
.lightbox__actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: auto; }
.lightbox__digital { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; margin: 0; font-size: .95rem; }
.lightbox__digital .icon { color: var(--gk-green); }
.lightbox__noimg { max-width: 22ch; text-align: center; font-weight: 700; color: var(--gk-green-deep); }
.lightbox .facts { font-size: .98rem; }

.flipcard { position: relative; transform-style: preserve-3d; transition: transform .8s var(--ease-out); display: grid; }
.flipcard > * { grid-area: 1 / 1; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.flipcard__back { transform: rotateY(180deg); }
.flipcard.is-flipped { transform: rotateY(180deg); }

.values { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.values caption { text-align: left; font-size: var(--fs-label); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mute); padding-bottom: .4rem; }
.values th, .values td { padding: .55rem 0; border-bottom: 1px dashed var(--line-strong); text-align: left; }
.values td { text-align: right; font-weight: 800; }
.trump {
  display: inline-flex; align-items: center; gap: .5rem; align-self: flex-start;
  padding: .35rem .8rem .35rem .45rem; border-radius: 99px; background: var(--ink); color: var(--paper-white); font-weight: 700; font-size: .9rem;
}
.trump b { display: grid; place-items: center; min-width: 2.1em; height: 2.1em; border-radius: 50%; background: var(--gk-yellow); color: var(--ink); }

@media (max-width: 760px) {
  .lightbox { width: 100vw; max-width: 100vw; max-height: 100svh; height: 100svh; border-radius: 0; margin: 0; }
  .lightbox__inner { grid-template-columns: 1fr; max-height: 100svh; }
  .lightbox__media img { max-height: 52svh; }
}

/* ---------- Fußbereich ---------- */
.site-footer {
  position: relative; margin-top: clamp(4rem, 8vw, 7rem);
  background: var(--gk-green-deep); color: rgba(255, 255, 255, .86);
  background-image: var(--tex-fibers); background-size: 512px; background-blend-mode: soft-light;
}
.site-footer__meadow { position: absolute; left: 0; bottom: 100%; width: 100%; height: clamp(60px, 8vw, 120px); color: var(--gk-green-deep); }
.site-footer a { color: #fff; text-decoration-color: rgba(255, 255, 255, .4); }
.site-footer a:hover { color: var(--gk-yellow); }
.site-footer :focus-visible { box-shadow: 0 0 0 3px var(--gk-green-deep), 0 0 0 6px var(--gk-yellow); }
.site-footer__inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 2fr); gap: var(--space-5); padding: var(--space-5) 0 var(--space-4); }
.site-footer__brand img { width: 190px; margin-bottom: 1.4rem; }
.site-footer__brand p { max-width: 34ch; }
.site-footer__nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; }
.site-footer__nav h2 { font-size: var(--fs-label); letter-spacing: .14em; text-transform: uppercase; color: var(--gk-green-light); margin-bottom: .9rem; }
.site-footer__nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-footer__nav a { text-decoration: none; }
.site-footer__vr { display: inline-flex; align-items: center; gap: .45em; }
.site-footer__vr-icon { width: 1.35em; height: 1.35em; color: var(--gk-yellow); }
.site-footer__vr .icon--ext { margin-left: -.15em; }
.site-footer__base { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0 1.6rem; border-top: 1px solid rgba(255, 255, 255, .16); font-size: .82rem; color: rgba(255, 255, 255, .7); }
.site-footer__base p { margin: 0; max-width: 80ch; }
.site-footer .motion-toggle { color: rgba(255, 255, 255, .85); }
.site-footer .motion-toggle:hover { background: rgba(255, 255, 255, .08); }
.site-footer .motion-toggle__switch { background: rgba(255, 255, 255, .25); }
.site-footer .motion-toggle[aria-pressed="true"] .motion-toggle__switch { background: var(--gk-yellow); }
@media (max-width: 960px) {
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}


/* =========================================================
   Produktauswahl (Startseite und Produktseite)
   ========================================================= */
.products { position: relative; padding: clamp(5rem, 9vw, 8rem) 0 clamp(2rem, 4vw, 3rem); }
.products__head { max-width: 46rem; margin-bottom: 1.6rem; }
.products__head .h2 { margin-bottom: 1.2rem; }
.products__filter { margin-bottom: 2.4rem; }
.shelf { margin-bottom: clamp(3rem, 6vw, 5rem); }
.shelf__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem 1.4rem; margin-bottom: 1.3rem; padding-bottom: .9rem; border-bottom: 2px solid var(--ink); }
.shelf__head p { margin: 0; color: var(--ink-soft); flex: 1 1 22rem; }
.shelf__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: clamp(.8rem, 1.6vw, 1.3rem); margin: 0; padding: 0; list-style: none; }
.shelf__grid--poster, .shelf__grid--kalender { grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); }
.shelf__grid--kalender .product__media, .shelf__grid--poster .product__media { aspect-ratio: 4 / 5; }
.products__b2b { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .6rem 1.5rem; padding: 1.2rem 1.4rem; border-radius: var(--radius-l); background: var(--gk-green-mist); }
.products__b2b p { margin: 0; }
@media (max-width: 560px) {
  .shelf__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product { padding: .6rem .6rem .8rem; }
  .product__name { font-size: 1rem; }
  .product__short { font-size: .86rem; }
  .product__buy .btn { width: 100%; }
}