/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  min-height: 44px;
  border: 0;
  background: var(--color-brand);
  color: var(--color-white);
  font: 700 1rem/1.2 var(--font-base);
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: background 0.15s;
}
.btn:hover { background: var(--color-brand-dark); }
.btn--light { background: var(--color-white); color: var(--color-brand); }
.btn--light:hover { background: var(--color-surface); }
.btn--sm { padding: var(--space-2) var(--space-4); min-height: 40px; font-size: 0.9rem; }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }

/* ---------- Topbar ---------- */
.topbar { background: var(--color-surface-2); font-size: 0.875rem; }
.topbar__inner {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: var(--space-1) var(--space-5);
  padding-block: var(--space-2);
}
.topbar__address { display: none; margin: 0; }
.topbar a { text-decoration: none; font-weight: 500; }
.topbar a:hover { color: var(--color-brand); }
.topbar svg { width: 1em; height: 1em; color: var(--color-brand); vertical-align: -0.12em; margin-right: var(--space-1); }

/* ---------- Header ---------- */
.header__main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.header__logo img { width: clamp(150px, 28vw, 340px); }

.search { grid-column: 1 / -1; grid-row: 2; display: flex; border: 1px solid var(--color-border); background: var(--color-white); }
.search input {
  flex: 1; min-width: 0; padding: var(--space-3) var(--space-4);
  border: 0; font: inherit; background: transparent;
}
.search input::placeholder { color: var(--color-muted); }
.search button {
  width: 48px; border: 0; background: transparent; color: var(--color-text); cursor: pointer;
}
.search button:hover { color: var(--color-brand); }
.search svg { width: 20px; height: 20px; }

.header__tools { display: flex; align-items: center; gap: var(--space-5); justify-self: end; }
.tool {
  position: relative; display: flex; flex-direction: column; align-items: center;
  gap: 2px; font-size: 0.8rem; text-decoration: none; padding: var(--space-1);
}
.tool:hover { color: var(--color-brand); }
.tool svg { width: 28px; height: 28px; }
.tool__badge {
  position: absolute; top: -4px; right: -2px;
  min-width: 20px; height: 20px; padding-inline: 5px; border-radius: 10px;
  background: var(--color-brand); color: var(--color-white);
  font-size: 0.75rem; font-weight: 700; line-height: 20px; text-align: center;
}
.tool__label { display: none; }

.nav-toggle {
  display: inline-flex; align-items: center; gap: var(--space-2);
  min-height: 44px; padding: 0 var(--space-4);
  border: 1px solid var(--color-border); background: var(--color-white);
  font: 500 1rem var(--font-base); cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hauptnavigation ---------- */
.nav { border-bottom: 1px solid var(--color-border); }
.nav__list { display: none; list-style: none; margin: 0; padding: 0; }
.nav__list.is-open { display: block; }
.nav__link {
  display: block; padding: var(--space-3) var(--space-5);
  font-weight: 500; text-decoration: none;
}
.nav__link:hover { color: var(--color-brand); }
.nav__link[aria-current="page"] { background: var(--color-brand); color: var(--color-white); font-weight: 700; }

/* ---------- Karten ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s, transform 0.15s;
}
.card:hover { box-shadow: var(--shadow-card-hover); }

.cat-card { display: block; text-decoration: none; text-align: center; padding: var(--space-4); }
.cat-card img { margin-inline: auto; margin-bottom: var(--space-3); aspect-ratio: 190 / 130; object-fit: contain; }
.cat-card__title { display: block; font-size: 1.15rem; font-weight: 700; }
.cat-card:hover .cat-card__title { color: var(--color-brand); }

.product-card { display: flex; flex-direction: column; padding: var(--space-4); }
.product-card__img { display: block; margin-bottom: var(--space-3); }
.product-card__img img { margin-inline: auto; aspect-ratio: 190 / 110; object-fit: contain; }
.product-card__title { margin: 0; font-size: 1.15rem; font-weight: 700; }
.product-card__title a { text-decoration: none; }
.product-card__title a:hover { color: var(--color-brand); }
.product-card__meta { margin: var(--space-1) 0 var(--space-3); font-size: 0.875rem; color: var(--color-muted); }
.product-card__buy {
  margin-top: auto; display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: var(--space-2);
}
.price { margin: 0; font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.price small { display: block; margin-top: var(--space-1); font-size: 0.875rem; font-weight: 400; color: var(--color-muted); }

/* ---------- Filter ---------- */
.filter { display: grid; gap: var(--space-2); align-content: start; }
.filter__item { background: var(--color-surface); }
.filter__item summary {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-3) var(--space-4); min-height: 44px;
  cursor: pointer; list-style: none; font-weight: 500;
}
.filter__item summary::-webkit-details-marker { display: none; }
.filter__item summary::after {
  content: ""; width: 8px; height: 8px; margin-right: 4px;
  border-right: 2px solid currentcolor; border-bottom: 2px solid currentcolor;
  transform: rotate(45deg); transition: transform 0.15s;
}
.filter__item[open] summary::after { transform: rotate(-135deg); }
.filter__options { display: grid; gap: var(--space-2); margin: 0; padding: 0 var(--space-4) var(--space-4); list-style: none; }
.filter__options label { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; }
.filter__options input { width: 18px; height: 18px; accent-color: var(--color-brand); }

/* ---------- Kontaktband ---------- */
.cta-band { background: var(--color-surface); }
.cta-band__inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-5); padding-block: var(--space-6);
}
.cta-band__title { margin: 0 0 var(--space-1); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: var(--color-brand); }
.cta-band p { margin: 0; color: var(--color-muted); font-size: 1.1rem; }

/* ---------- Footer ---------- */
.footer { background: var(--color-footer); color: var(--color-white); }
.footer__inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: var(--space-3) var(--space-5); padding-block: var(--space-5);
}
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); margin: 0; padding: 0; list-style: none; }
.footer__nav a { font-weight: 500; text-decoration: none; }
.footer__nav a:hover { text-decoration: underline; }
.footer__note { margin: 0; font-size: 0.8rem; color: var(--color-on-dark-3); }

@media (min-width: 640px) {
  .topbar__address { display: block; }
  .tool__label { display: block; }
}

@media (min-width: 900px) {
  .header__main { grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--space-6); }
  .search { grid-column: 2; grid-row: 1; max-width: 520px; }
  .nav-toggle { display: none; }
  .nav__list { display: flex; gap: var(--space-2); }
  .nav__link { padding: var(--space-4) var(--space-6); }
  .nav__link[aria-current="page"] {
    clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% 100%, 0 100%);
    padding-left: calc(var(--space-6) + 4px);
  }
}

/* ---------- Preisumschaltung (netto/brutto) ---------- */
.price-switch { display: inline-flex; align-items: center; gap: var(--space-2); }
.price-switch__label { color: var(--color-muted); }
.price-switch__group { display: inline-flex; border: 1px solid var(--color-border-strong); background: var(--color-white); }
.price-switch button {
  padding: 2px var(--space-3); border: 0; background: transparent;
  font: 500 0.8125rem/1.5 var(--font-base); cursor: pointer; color: var(--color-text);
}
.price-switch button[aria-pressed="true"] { background: var(--color-text); color: var(--color-white); }

/* ---------- Preisblock ---------- */
.price { display: flex; flex-direction: column; margin: 0; line-height: 1.15; font-variant-numeric: tabular-nums; }
.price__net, .price__gross { display: block; }
.price__net { order: 1; font-size: 1.5rem; font-weight: 700; }
.price__gross { order: 2; margin-top: 2px; font-size: 0.8125rem; font-weight: 400; color: var(--color-muted); }
.price__tag { font-size: 0.75rem; font-weight: 400; color: var(--color-muted); margin-left: 2px; }
.price__unit { order: 3; margin-top: 2px; font-size: 0.8125rem; color: var(--color-muted); }
html[data-prices="brutto"] .price__gross { order: 1; margin: 0; font-size: 1.5rem; font-weight: 700; color: var(--color-text); }
html[data-prices="brutto"] .price__net { order: 2; margin-top: 2px; font-size: 0.8125rem; font-weight: 400; color: var(--color-muted); }

/* ---------- Bemaßung (Erkennungszeichen) ---------- */
.dim {
  display: flex; align-items: center; gap: var(--space-2);
  margin: 0 var(--space-2) var(--space-3);
  color: var(--color-brand); font: 500 0.75rem/1 var(--font-spec); letter-spacing: 0.02em;
}
.dim::before, .dim::after {
  content: ""; flex: 1; height: 9px;
  background: linear-gradient(currentcolor, currentcolor) center / 100% 1px no-repeat;
}
.dim::before { border-left: 1px solid currentcolor; }
.dim::after { border-right: 1px solid currentcolor; }

.tag-din {
  position: absolute; top: var(--space-3); left: var(--space-3);
  padding: 2px var(--space-2); background: var(--color-surface);
  font: 500 0.75rem/1.4 var(--font-spec); color: var(--color-text);
}
.product-card { position: relative; }
.product-card__meta { margin: var(--space-1) 0 var(--space-2); }
.tier-hint {
  display: inline-block; margin: 0 0 var(--space-3); padding: 2px var(--space-2);
  background: var(--color-brand-tint); color: var(--color-brand-dark);
  font-size: 0.8125rem; font-weight: 500;
}

/* ---------- Vorteilsleiste ---------- */
.trust { border-bottom: 1px solid var(--color-border); }
.trust__list {
  display: grid; gap: var(--space-2) var(--space-6); margin: 0; padding: var(--space-4) 0; list-style: none;
  font-size: 0.9375rem; color: var(--color-muted);
}
.trust__list strong { color: var(--color-text); font-weight: 700; }
.trust__list li { display: flex; align-items: center; gap: var(--space-2); }
.trust__list svg { width: 18px; height: 18px; flex: none; color: var(--color-brand); }

/* ---------- Ergebnisleiste ---------- */
.results-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-3); margin-bottom: var(--space-4); padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border); font-size: 0.9375rem;
}
.results-bar p { margin: 0; color: var(--color-muted); }
.results-bar select {
  min-height: 40px; padding: 0 var(--space-3); border: 1px solid var(--color-border-strong);
  background: var(--color-white); font: inherit;
}

@media (min-width: 900px) {
  .trust__list { grid-template-columns: repeat(3, auto); justify-content: space-between; }
}

/* ---------- Bewegung ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }
@keyframes bump { 40% { transform: scale(1.45); } }

.btn svg { transition: transform 0.2s; }
.btn:hover svg { transform: translateX(4px); }

.cat-card img { transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1); }
.cat-card:hover img { transform: rotate(-4deg) scale(1.07); }
.product-card__img img { transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1); }
.product-card:hover .product-card__img img { transform: scale(1.05); }

.tool svg { transition: transform 0.2s; }
.tool:hover svg { transform: translateY(-2px); }
.tool__badge.is-bump { animation: bump 0.4s ease; }

.reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-visible {
  opacity: 1; transform: none;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--d, 0ms);
}
.reveal .dim { clip-path: inset(0 50%); }
.reveal.is-visible .dim { clip-path: inset(0); transition: clip-path 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) calc(var(--d, 0ms) + 250ms); }

@media (min-width: 900px) {
  .nav__link { position: relative; }
  .nav__link:not([aria-current="page"])::after {
    content: ""; position: absolute; left: var(--space-6); right: var(--space-6); bottom: 6px;
    height: 3px; background: var(--color-brand);
    transform: scaleX(0); transform-origin: left; transition: transform 0.25s;
  }
  .nav__link:not([aria-current="page"]):hover::after { transform: scaleX(1); }
  .nav__link[aria-current="page"] {
    box-shadow: 0 1px 0 var(--color-brand);
    clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% calc(100% + 1px), 0 calc(100% + 1px));
  }
}

/* Etikett über dem skalierten Bild halten */
.tag-din { z-index: 1; }
.product-card__img { overflow: hidden; }

/* ---------- Footer (ausgebaut) ---------- */
.footer { position: relative; }
.footer::before {
  content: ""; display: block; height: 4px; background: var(--color-brand);
}
.footer__grid { display: grid; gap: var(--space-6); padding-block: var(--space-7); }
.footer__title {
  margin: 0 0 var(--space-4); font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-white);
}
.footer__col--firm .footer__title { font-size: 1.125rem; letter-spacing: 0; text-transform: none; }
.footer__address { margin: 0 0 var(--space-4); font-style: normal; color: var(--color-on-dark-2); }
.footer__contact, .footer__links { margin: 0; padding: 0; list-style: none; }
.footer__contact { display: grid; gap: var(--space-1); color: var(--color-on-dark-2); }
.footer__contact span { display: inline-block; min-width: 4.5rem; font-family: var(--font-spec); font-size: 0.75rem; color: var(--color-subtle); }
.footer__links { display: grid; gap: var(--space-2); }
.footer a { color: var(--color-on-dark); text-decoration: none; }
.footer a:hover { color: var(--color-white); text-decoration: underline; text-decoration-color: var(--color-brand); text-underline-offset: 4px; text-decoration-thickness: 2px; }
.footer__bar { border-top: 1px solid var(--color-footer-line); font-size: 0.8125rem; color: var(--color-on-dark-3); }
.footer__bar-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2) var(--space-5); padding-block: var(--space-4); }
.footer__bar p { margin: 0; }
.footer__bar strong { color: var(--color-white); font-weight: 500; }

@media (min-width: 640px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-7); } }

/* Menüabstände skalieren mit der Breite (7 Punkte) */
@media (min-width: 900px) {
  .nav__list { gap: 0; }
  .nav__link { --nav-pad: clamp(0.75rem, 2.2vw, 2rem); padding-inline: var(--nav-pad); }
  .nav__link[aria-current="page"] { padding-left: calc(var(--nav-pad) + 4px); }
  .nav__link:not([aria-current="page"])::after { left: var(--nav-pad); right: var(--nav-pad); }
}