:root {
  --brand: #7b0e20;
  --brand-dark: #5e0917;
  --text: #777;
  --heading: #555;
  --ink: #404042;
  --line: #eaeaea;
  --soft: #f7f7f7;
  --white: #fff;
  --container: 1300px;
  --shadow: 0 10px 30px rgba(28, 24, 22, .12);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--text); background: var(--white); font-family: Montserrat, Arial, sans-serif; font-size: 1rem; font-weight: 400; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--heading); font-family: "Open Sans", Arial, sans-serif; font-weight: 700; line-height: 1.14; }
.container { box-sizing: content-box; max-width: var(--container); padding-inline: 40px; margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 9px 14px; color: var(--white); background: var(--brand); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; background: rgba(255,255,255,.98); box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.header__inner { display: flex; min-height: 92px; align-items: center; justify-content: space-between; gap: 38px; }
.brand { flex: 0 0 auto; width: 192px; }
.brand img { width: 100%; height: auto; }
.main-nav { display: flex; min-width: 0; align-self: stretch; align-items: stretch; gap: clamp(8px, 2.5vw, 44px); }
.main-nav a { position: relative; display: flex; align-items: center; color: var(--text); font-size: .875rem; font-weight: 700; letter-spacing: -.02em; white-space: nowrap; }
.main-nav a::after { position: absolute; right: 100%; bottom: 25px; left: 20px; height: 2px; content: ""; background: var(--brand); transition: right .2s ease; }
.main-nav a:hover::after, .main-nav a.is-active::after { right: 20px; }
.main-nav a.is-active { color: var(--brand); }
.cart-link { padding-left: 22px; }
.cart-link::before { position: absolute; left: 0; width: 14px; height: 12px; content: ""; border: 1.5px solid currentColor; border-top: 0; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--heading); transition: transform .2s ease, opacity .2s ease; }

.category-banner { display: flex; min-height: 230px; align-items: center; color: var(--white); background-color: var(--brand); background-image: linear-gradient(90deg, rgba(123,14,32,.9), rgba(123,14,32,.5) 55%, rgba(123,14,32,.16)), url("assets/kategoriebild-produkte.jpg"); background-position: center; background-size: cover; }
.category-banner .container { width: 100%; }
.category-banner h1 { max-width: 900px; margin: 0; color: var(--white); font-size: clamp(2.3rem, 4vw, 3.125rem); letter-spacing: -.025em; text-shadow: 0 2px 16px rgba(0,0,0,.25); }

.main-area { padding: 40px 0 90px; }
.breadcrumbs { margin-bottom: 38px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0; padding: 0; margin: 0; list-style: none; }
.breadcrumbs li { display: flex; align-items: center; color: #999; font-size: .875rem; }
.breadcrumbs li + li::before { margin: 0 20px; color: var(--brand); content: "I"; }
.breadcrumbs a:hover { color: var(--ink); }
.breadcrumbs [aria-current="page"] { color: var(--ink); }
.page-grid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 40px; align-items: start; }

.product-sidebar { position: sticky; top: 120px; }
.sidebar-toggle { display: none; }
.sidebar-card { padding: 20px; background: var(--white); border: 4px solid var(--brand); }
.sidebar-card h2 { margin: 0 0 14px; font-size: 1.125rem; }
.sidebar-card nav { margin: 0 -20px -5px; }
.sidebar-card a { display: block; padding: 6px 20px; color: var(--text); font-size: .875rem; line-height: 1.55; letter-spacing: -.02em; transition: color .15s ease, background .15s ease; }
.sidebar-card a:hover { color: var(--brand); }
.sidebar-card a.is-active { color: var(--white); background: var(--brand); }

.product-page { min-width: 0; }
.section-title { position: relative; margin: 0 0 24px; color: var(--heading); font-size: 1.75rem; letter-spacing: -.02em; }
.section-title::before { position: relative; top: -.1em; display: inline-block; height: calc(4px + .7em); margin-right: 12px; content: ""; vertical-align: middle; border-left: 8px solid var(--brand); }
.content-section { margin-top: 72px; }
.content-section > p { max-width: 850px; }
.lead { color: var(--ink); font-size: 1.12rem; line-height: 1.6; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 11px 19px; border: 1px solid transparent; border-radius: 0; font-size: .875rem; font-weight: 700; line-height: 1.2; text-align: center; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.button--primary { color: var(--white); background: var(--brand); }
.button--primary:hover { background: var(--brand-dark); }
.button--outline { color: var(--brand); background: var(--white); border-color: var(--brand); }
.button--outline:hover { color: var(--white); background: var(--brand); }
.button--full { width: 100%; }
.text-link, .heading-row > a { color: var(--brand); font-weight: 700; border-bottom: 1px solid rgba(123,14,32,.35); }

.intro-card { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 380px; background: var(--soft); }
.intro-card__copy { padding: clamp(30px, 4vw, 52px); }
.intro-card__copy p:not(.lead) { margin-bottom: 0; }
.intro-card__image { position: relative; min-height: 360px; overflow: hidden; }
.intro-card__image img { width: 100%; height: 100%; object-fit: cover; }
.intro-card__image span, .planning-image > span { position: absolute; right: 0; bottom: 0; padding: 8px 12px; color: var(--white); background: rgba(64,64,66,.86); font-size: .75rem; }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; margin: 0; color: var(--white); background: var(--brand); list-style: none; }
.trust-strip li { padding: 19px 23px; border-right: 1px solid rgba(255,255,255,.22); }
.trust-strip li:last-child { border-right: 0; }
.trust-strip strong, .trust-strip span { display: block; }
.trust-strip strong { font-family: "Open Sans", Arial, sans-serif; }
.trust-strip span { color: rgba(255,255,255,.76); font-size: .8rem; }

.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; border: 1px solid var(--line); }
.benefit-grid article { padding: 28px; border-right: 1px solid var(--line); }
.benefit-grid article:last-child { border-right: 0; }
.benefit-grid article > span { display: block; margin-bottom: 24px; color: var(--brand); font-size: .75rem; font-weight: 700; letter-spacing: .14em; }
.benefit-grid h3 { margin-bottom: 10px; font-size: 1.25rem; }
.benefit-grid p { margin: 0; font-size: .94rem; }

.material-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.material-card { display: flex; min-height: 420px; flex-direction: column; padding: 28px 24px; background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--brand); box-shadow: 0 4px 20px rgba(0,0,0,.04); transition: transform .2s ease, box-shadow .2s ease; }
.material-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.material-card .label { margin-bottom: 24px; color: var(--brand); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.material-card h3 { margin-bottom: 10px; font-size: 1.5rem; }
.material-card ul { padding: 0; margin: 8px 0 24px; list-style: none; }
.material-card li { padding: 7px 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.material-card li::before { margin-right: 8px; color: var(--brand); content: "✓"; font-weight: 700; }
.material-card > a { margin-top: auto; color: var(--brand); font-size: .9rem; font-weight: 700; }
.info-box { padding: 18px 20px; margin: 18px 0 0; background: var(--soft); border-left: 4px solid var(--brand); }

.planning-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; align-items: start; }
.planning-image { position: relative; }
.planning-image img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.checklist { padding: 0; margin: 22px 0; list-style: none; border-top: 1px solid var(--line); }
.checklist li { display: grid; grid-template-columns: 34px 1fr; gap: 13px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.checklist li > span { display: grid; width: 30px; height: 30px; place-items: center; color: var(--white); background: var(--brand); font-size: .72rem; font-weight: 700; }
.checklist strong, .checklist small { display: block; }
.checklist small { margin-top: 2px; color: #999; font-size: .82rem; }

.process { padding: 36px; color: rgba(255,255,255,.76); background: #2b2b2d; }
.section-title--light { color: var(--white); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; margin: 30px 0 0; list-style: none; border-top: 1px solid rgba(255,255,255,.18); }
.process-grid li { padding: 25px 26px 0 0; border-right: 1px solid rgba(255,255,255,.18); }
.process-grid li + li { padding-left: 26px; }
.process-grid li:last-child { padding-right: 0; border-right: 0; }
.process-grid li > span { display: block; margin-bottom: 19px; color: #d4aeb5; font-size: .72rem; font-weight: 700; letter-spacing: .12em; }
.process-grid h3 { margin-bottom: 8px; color: var(--white); font-size: 1.15rem; }
.process-grid p { margin: 0; font-size: .9rem; }

.heading-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.heading-row > a { flex: 0 0 auto; margin-top: 7px; font-size: .85rem; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.product-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card__image { position: relative; display: block; overflow: hidden; }
.product-card__image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-card__image img { transform: scale(1.035); }
.product-card__image span { position: absolute; bottom: 0; left: 0; padding: 6px 10px; color: var(--white); background: var(--brand); font-size: .7rem; font-weight: 700; text-transform: uppercase; }
.product-card > div { padding: 18px; }
.product-card h3 { margin-bottom: 6px; font-size: 1.15rem; }
.product-card h3 a:hover { color: var(--brand); }
.product-card p { margin-bottom: 12px; color: #999; font-size: .82rem; }
.product-card > div > a { color: var(--brand); font-size: .84rem; font-weight: 700; }

.inquiry { display: grid; grid-template-columns: .72fr 1.28fr; gap: 35px; padding: 36px; color: rgba(255,255,255,.8); background: var(--brand); }
.inquiry__intro { padding: 9px 0; }
.inquiry__intro .kicker { margin-bottom: 10px; color: #e2c2c8; font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.inquiry__intro h2 { margin-bottom: 16px; color: var(--white); font-size: 1.75rem; }
.inquiry__intro > a { display: inline-block; margin-top: 15px; color: var(--white); font-family: "Open Sans", Arial, sans-serif; font-size: 1.25rem; font-weight: 700; }
.inquiry-form { padding: 28px; color: var(--text); background: var(--white); }
.form-row { display: grid; gap: 14px; margin-bottom: 14px; }
.form-row--two { grid-template-columns: repeat(2, 1fr); }
.inquiry-form > label { display: block; margin-bottom: 14px; }
.inquiry-form label { color: var(--ink); font-size: .84rem; font-weight: 700; }
.inquiry-form label small { color: #999; font-weight: 400; }
input, select, textarea { width: 100%; padding: 10px 12px; color: var(--ink); background: #fafafa; border: 1px solid #d4d4d4; border-radius: 0; outline: none; }
input, select { height: 46px; }
textarea { min-height: 112px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(123,14,32,.12); }
.consent { display: grid !important; grid-template-columns: 18px 1fr; gap: 9px; align-items: start; }
.consent input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--brand); }
.consent span { color: var(--text); font-size: .75rem; font-weight: 400; }
.consent a { color: var(--brand); text-decoration: underline; }
.form-note, .form-status { margin: 10px 0 0; color: #999; font-size: .72rem; line-height: 1.45; text-align: center; }
.form-status { color: var(--brand); font-weight: 700; }

.accordion { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 20px 42px 20px 0; cursor: pointer; color: var(--heading); font-family: "Open Sans", Arial, sans-serif; font-weight: 700; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { position: absolute; top: 19px; right: 3px; color: var(--brand); content: "+"; font-size: 1.4rem; font-weight: 400; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { padding: 0 45px 20px 0; margin: 0; }

.site-footer { color: #bdbdbd; background: #222; border-top: 5px solid var(--brand); }
.footer__main { display: grid; grid-template-columns: 1.35fr .7fr .8fr; gap: 70px; padding-top: 54px; padding-bottom: 44px; }
.footer__brand img { width: 205px; margin-bottom: 17px; filter: brightness(0) invert(1); opacity: .92; }
.footer__brand p { max-width: 340px; color: #8c8c8c; }
.footer__main h2 { margin: 2px 0 15px; color: var(--white); font-size: .85rem; letter-spacing: .09em; text-transform: uppercase; }
.footer__main > div:not(.footer__brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; font-size: .88rem; }
.footer__main a:hover { color: var(--white); }
.footer__main p { margin: 0; }
.footer__bottom { display: flex; min-height: 58px; align-items: center; justify-content: space-between; gap: 25px; border-top: 1px solid #393939; color: #777; font-size: .75rem; }
.footer__bottom nav { display: flex; gap: 20px; }
.mobile-actions { display: none; }

@media (max-width: 1180px) {
  .main-nav { gap: 18px; }
  .main-nav a { font-size: .8rem; }
  .cart-link { display: none !important; }
  .page-grid { grid-template-columns: 270px minmax(0, 1fr); gap: 32px; }
  .product-sidebar { top: 108px; }
}

@media (max-width: 900px) {
  .header__inner { min-height: 74px; }
  .brand { width: 165px; }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; top: 74px; right: 0; left: 0; display: none; padding: 12px 20px 22px; background: var(--white); box-shadow: 0 14px 28px rgba(0,0,0,.1); }
  .main-nav.is-open { display: grid; }
  .main-nav a, .cart-link { display: block !important; padding: 8px 4px; }
  .main-nav a::after { display: none; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .category-banner { min-height: 190px; }
  .page-grid { grid-template-columns: 1fr; }
  .product-sidebar { position: static; }
  .sidebar-toggle { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 13px 16px; color: var(--white); background: var(--brand); border: 0; font-weight: 700; }
  .sidebar-toggle span { font-size: 1.35rem; font-weight: 400; }
  .sidebar-card { display: none; border-top: 0; }
  .product-sidebar.is-open .sidebar-card { display: block; }
  .intro-card { grid-template-columns: 1fr; }
  .intro-card__image { min-height: 330px; }
  .material-grid { grid-template-columns: 1fr; }
  .material-card { min-height: 0; }
  .inquiry { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 76px; }
  body { padding-bottom: 56px; }
  .container { padding-inline: 15px; }
  .category-banner { min-height: 165px; background-position: 42% center; }
  .category-banner h1 { font-size: 2.15rem; }
  .main-area { padding-top: 26px; padding-bottom: 65px; }
  .breadcrumbs { margin-bottom: 25px; }
  .breadcrumbs li { font-size: .78rem; }
  .breadcrumbs li + li::before { margin: 0 10px; }
  .section-title { font-size: 1.5rem; }
  .content-section { margin-top: 55px; }
  .intro-card__copy { padding: 27px 22px; }
  .intro-card__image { min-height: 260px; }
  .button-row { display: grid; }
  .trust-strip, .benefit-grid, .planning-grid, .process-grid, .product-grid { grid-template-columns: 1fr; }
  .trust-strip li { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.22); }
  .trust-strip li:last-child { border-bottom: 0; }
  .benefit-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .benefit-grid article:last-child { border-bottom: 0; }
  .planning-grid { gap: 25px; }
  .planning-image img { aspect-ratio: 4 / 3; }
  .process { padding: 28px 22px; }
  .process-grid li, .process-grid li + li { padding: 21px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .process-grid li:last-child { border-bottom: 0; }
  .heading-row { display: block; }
  .heading-row > a { display: inline-block; margin: -10px 0 23px; }
  .inquiry { padding: 27px 20px; }
  .inquiry-form { padding: 22px 16px; }
  .form-row--two { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { min-height: 80px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 4px; }
  .mobile-actions { position: fixed; z-index: 120; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 1fr 1fr; min-height: 56px; color: var(--white); background: var(--brand); box-shadow: 0 -8px 24px rgba(0,0,0,.18); }
  .mobile-actions a { display: grid; place-items: center; font-size: .86rem; font-weight: 700; }
  .mobile-actions a + a { color: var(--ink); background: var(--white); border-top: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
