/* Viktor Wachtel — styles.css */

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fafaf8;
  --bg-alt: #f3f1ec;
  --surface: #fff;
  --text: #1a1a1a;
  --text-2: #444;
  --muted: #777;
  --subtle: #aaa;
  --accent: #2d5a3d;
  --accent-2: #3a7a52;
  --accent-light: rgba(45,90,61,.08);
  --border: #e8e5df;
  --border-2: #d4d0c8;
  --warm: #f5f0e8;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --r: 10px;
  --r-lg: 14px;
  --t: .2s ease;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent-light); color: var(--accent); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 720px; }

/* Typography */
h1, h2, h3 { font-weight: 700; letter-spacing: -.02em; line-height: 1.15; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 24px; }
h3 { font-size: 1.05rem; }

h1 em, h2 em { font-family: var(--serif); font-style: italic; color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--r); font-size: .9rem; font-weight: 600;
  border: none; transition: background var(--t), transform var(--t);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-2); }
.btn--ghost { background: transparent; color: var(--text); border: 1.5px solid var(--border-2); }
.btn--ghost:hover { border-color: var(--text); }
.btn--sm { padding: 9px 16px; font-size: .82rem; }
.btn--lg { padding: 16px 32px; font-size: .95rem; }
.btn--full { width: 100%; }


/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px; display: flex; align-items: center; padding: 0 24px;
  background: rgba(250,250,248,.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: 1120px; margin: 0 auto; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo { font-size: 1.05rem; font-weight: 700; }
.nav__logo em { font-family: var(--serif); font-style: italic; color: var(--accent); }
.nav__links { display: none; gap: 6px; }
.nav__links a {
  font-size: .84rem; color: var(--muted); padding: 6px 12px;
  border-radius: 8px; transition: color var(--t), background var(--t);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text); background: var(--accent-light); }
.nav__right { display: flex; align-items: center; gap: 12px; }
.nav__cart {
  position: relative; display: flex; align-items: center; padding: 8px;
  color: var(--text); transition: color var(--t);
}
.nav__cart:hover { color: var(--accent); }
.nav__cart-count {
  position: absolute; top: 0; right: -2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: .65rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.nav__burger {
  display: flex; flex-direction: column; gap: 5px;
  padding: 10px; border: none; background: none;
  min-width: 44px; min-height: 44px; align-items: center; justify-content: center;
}
.nav__burger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s; }

.mobile-menu {
  display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 16px 24px; flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 16px; font-size: .95rem; color: var(--text-2); border-radius: 8px; }
.mobile-menu a:hover { background: var(--accent-light); }
.mobile-menu__cart { font-weight: 600; color: var(--accent); }


/* ============================================================
   HERO
   ============================================================ */
.hero { padding: 110px 0 60px; }
.hero__grid { }
.hero__tag {
  font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent); margin-bottom: 16px;
}
.hero h1 { margin-bottom: 18px; }
.hero__sub { font-size: 1.05rem; color: var(--muted); line-height: 1.7; max-width: 460px; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__visual { display: none; }
.hero__card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 16px; position: relative;
}
.hero__card--main { box-shadow: 0 20px 60px rgba(0,0,0,.08); }
.hero__card-badge {
  position: absolute; top: 12px; right: 12px;
  padding: 3px 10px; background: var(--accent); color: #fff;
  font-size: .65rem; font-weight: 600; border-radius: 6px; text-transform: uppercase; letter-spacing: .04em;
}
.hero__card-img {
  width: 100%; height: 180px; border-radius: 8px;
  background: linear-gradient(135deg, var(--warm), var(--bg-alt)); margin-bottom: 12px;
}
.hero__card-img--luft { background: linear-gradient(135deg, #e8eef3, #d5dfe8); }
.hero__card-name { font-size: .9rem; font-weight: 600; }
.hero__card-price { font-size: .85rem; color: var(--accent); font-weight: 600; margin-top: 2px; }


/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar { padding: 20px 0; border-bottom: 1px solid var(--border); }
.trust-bar__inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.trust-bar__inner span {
  font-size: .78rem; color: var(--muted); white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.trust-bar__inner span::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: .5;
}


/* ============================================================
   CATEGORIES
   ============================================================ */
.categories { padding: 80px 0; }
.categories h2 { text-align: center; }
.categories__grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 36px; }
.cat-card {
  display: flex; flex-direction: column; padding: 28px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); transition: border-color var(--t), transform var(--t);
}
.cat-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.cat-card__visual {
  width: 64px; height: 64px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.cat-card__visual--wasser { background: linear-gradient(135deg, #e3f0ff, #cce3f8); color: #2a6cb5; }
.cat-card__visual--luft { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); color: var(--accent); }
.cat-card__text h3 { margin-bottom: 6px; }
.cat-card__text p { font-size: .88rem; color: var(--muted); line-height: 1.6; margin-bottom: 12px; }
.cat-card__link { font-size: .85rem; font-weight: 600; color: var(--accent); }


/* ============================================================
   PRODUCT GRID
   ============================================================ */
.bestseller { padding: 80px 0; background: var(--bg-alt); }
.bestseller__header { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.bestseller__all { font-size: .88rem; font-weight: 600; color: var(--accent); }

.product-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
.product {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: border-color var(--t), transform var(--t);
}
.product:hover { border-color: var(--border-2); transform: translateY(-2px); }

.product__img {
  display: block; height: 200px; position: relative;
  background: linear-gradient(135deg, var(--warm), var(--bg-alt));
}
.product__img--aquapure-stand { background: linear-gradient(160deg, #e3eef7, #d0dfe8); }
.product__img--aquapure-tisch { background: linear-gradient(160deg, #eef3e8, #d8e5ce); }
.product__img--aquapure-premium { background: linear-gradient(160deg, #e8e3f0, #d0c8e0); }
.product__img--airfresh-pro { background: linear-gradient(160deg, #e3f5e8, #c8e6cc); }
.product__img--airfresh-kompakt { background: linear-gradient(160deg, #f5f0e3, #e6dcc8); }
.product__img--airfresh-max { background: linear-gradient(160deg, #e3ecf5, #c8d8e6); }

.product__badge {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 10px; background: var(--accent); color: #fff;
  font-size: .65rem; font-weight: 600; border-radius: 6px;
  text-transform: uppercase; letter-spacing: .04em;
}
.product__badge--neu { background: #b45309; }

.product__info { padding: 18px; }
.product__info h3 { margin-bottom: 6px; }
.product__info p { font-size: .84rem; color: var(--muted); line-height: 1.55; margin-bottom: 14px; }
.product__bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.product__price { font-size: 1.15rem; font-weight: 700; }


/* ============================================================
   VORTEILE — editorial list, unique layout
   ============================================================ */
.vorteile { padding: 80px 0; }
.vorteile h2 { margin-bottom: 36px; }
.vorteile__list { }
.vorteil {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 24px 0; border-bottom: 1px solid var(--border);
}
.vorteil:first-child { border-top: 1px solid var(--border); }
.vorteil__num {
  font-size: .75rem; font-weight: 700; color: var(--accent); flex-shrink: 0; padding-top: 3px;
}
.vorteil h3 { margin-bottom: 4px; }
.vorteil p { font-size: .88rem; color: var(--muted); line-height: 1.6; }


/* ============================================================
   EINSATZBEREICHE
   ============================================================ */
.einsatz { padding: 80px 0; background: var(--accent); color: #fff; }
.einsatz h2 { color: #fff; }
.einsatz__grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.einsatz__item {
  padding: 28px; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-lg);
}
.einsatz__item h3 { color: #fff; margin-bottom: 8px; }
.einsatz__item p { font-size: .88rem; color: rgba(255,255,255,.75); line-height: 1.6; }


/* ============================================================
   FAQ
   ============================================================ */
.faq { padding: 80px 0; background: var(--bg-alt); }
.faq h2 { margin-bottom: 32px; }
.faq__item {
  border-bottom: 1px solid var(--border);
}
.faq__item:first-child { border-top: 1px solid var(--border); }
.faq__item summary {
  padding: 18px 0; font-size: .95rem; font-weight: 600; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq__item summary::after { content: '+'; font-size: 1.2rem; color: var(--muted); }
.faq__item[open] summary::after { content: '−'; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item p { padding: 0 0 18px; font-size: .9rem; color: var(--muted); line-height: 1.65; }


/* ============================================================
   CONTACT
   ============================================================ */
.contact { padding: 80px 0; }
.contact__grid { display: flex; flex-direction: column; gap: 40px; }
.contact__info h2 { margin-bottom: 10px; }
.contact__info > p { font-size: .95rem; color: var(--muted); margin-bottom: 24px; }
.contact__details { display: flex; flex-direction: column; gap: 10px; }
.contact__details a, .contact__details span {
  font-size: .9rem; color: var(--text-2); transition: color var(--t);
}
.contact__details a:hover { color: var(--accent); }

.contact__form {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px;
}
.form__row { display: grid; grid-template-columns: 1fr; gap: 14px; }
.form__group { margin-bottom: 14px; }
.form__group label {
  display: block; font-size: .78rem; font-weight: 600; color: var(--muted);
  margin-bottom: 5px; text-transform: uppercase; letter-spacing: .03em;
}
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%; padding: 11px 14px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; font-size: .9rem; color: var(--text);
  font-family: inherit; transition: border-color var(--t);
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus { outline: none; border-color: var(--accent); }
.form__group textarea { resize: vertical; min-height: 80px; }


/* ============================================================
   SHOP PAGE
   ============================================================ */
.shop-header { padding: 100px 0 40px; }
.shop-header h1 { margin-bottom: 20px; }
.shop-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 18px; border-radius: 8px; font-size: .84rem; font-weight: 600;
  background: var(--bg-alt); border: 1px solid var(--border); color: var(--muted);
  transition: background var(--t), color var(--t), border-color var(--t);
}
.filter-btn:hover, .filter-btn.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.shop-products { padding: 0 0 80px; }
.product-grid--shop { }


/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.pd { padding: 100px 0 60px; }
.pd__back { font-size: .85rem; color: var(--muted); display: inline-block; margin-bottom: 24px; transition: color var(--t); }
.pd__back:hover { color: var(--text); }
.pd__grid { display: flex; flex-direction: column; gap: 36px; }
.pd__img-main {
  width: 100%; height: 300px; border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--warm), var(--bg-alt));
}
.pd__cat { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 8px; }
.pd__desc { font-size: .95rem; color: var(--muted); line-height: 1.7; margin: 12px 0 20px; }
.pd__price { font-size: 1.6rem; font-weight: 800; margin-bottom: 24px; }

.pd__specs { margin-bottom: 24px; }
.pd__specs table { width: 100%; border-collapse: collapse; }
.pd__specs td { padding: 10px 0; font-size: .88rem; border-bottom: 1px solid var(--border); }
.pd__specs td:first-child { color: var(--muted); width: 40%; }

.pd__actions { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; }
.pd__qty { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.pd__qty-btn { width: 40px; height: 40px; border: none; background: none; font-size: 1.1rem; color: var(--text); }
.pd__qty-btn:hover { background: var(--bg-alt); }
.pd__qty span { width: 32px; text-align: center; font-weight: 600; font-size: .9rem; }

.pd__trust { display: flex; flex-direction: column; gap: 6px; }
.pd__trust span { font-size: .8rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.pd__trust span::before { content: '✓'; color: var(--accent); font-weight: 700; }


/* ============================================================
   CART
   ============================================================ */
.cart-page { padding: 100px 0 80px; }
.cart-page h1 { margin-bottom: 32px; }

.cart-item {
  display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--border);
  align-items: center;
}
.cart-item__img {
  width: 80px; height: 80px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--warm), var(--bg-alt));
}
.cart-item__info { flex: 1; }
.cart-item__name { font-weight: 600; margin-bottom: 4px; }
.cart-item__price { font-size: .9rem; color: var(--accent); font-weight: 600; }
.cart-item__actions { display: flex; align-items: center; gap: 12px; }
.cart-item__qty { display: flex; align-items: center; gap: 8px; }
.cart-item__qty button {
  width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--border);
  background: none; font-size: .9rem; display: flex; align-items: center; justify-content: center;
}
.cart-item__remove { border: none; background: none; color: var(--muted); font-size: .82rem; cursor: pointer; }
.cart-item__remove:hover { color: #c00; }

.cart-empty { text-align: center; padding: 60px 0; }
.cart-empty p { font-size: 1.05rem; color: var(--muted); margin-bottom: 20px; }

.cart-summary {
  margin-top: 32px; padding: 24px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  max-width: 400px; margin-left: auto;
}
.cart-summary__row { display: flex; justify-content: space-between; padding: 8px 0; font-size: .92rem; }
.cart-summary__total { font-weight: 700; font-size: 1.1rem; padding-top: 12px; border-top: 1px solid var(--border); margin-top: 8px; }
.cart-summary .btn { margin-top: 16px; }
.cart-summary__continue { display: block; text-align: center; margin-top: 12px; font-size: .85rem; color: var(--accent); }


/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 60px 0 32px; border-top: 1px solid var(--border); margin-top: 40px; }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 32px; }
.footer__logo { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.footer__logo em { font-family: var(--serif); font-style: italic; color: var(--accent); }
.footer__brand p { font-size: .85rem; color: var(--muted); }
.footer__col h4 { font-size: .82rem; font-weight: 700; margin-bottom: 10px; text-transform: uppercase; letter-spacing: .04em; }
.footer__col a, .footer__col span {
  display: block; font-size: .85rem; color: var(--muted); padding: 3px 0;
  transition: color var(--t);
}
.footer__col a:hover { color: var(--text); }
.footer__bottom { display: flex; flex-direction: column; gap: 8px; text-align: center; font-size: .78rem; color: var(--subtle); padding-top: 20px; border-top: 1px solid var(--border); }
.footer__legal { display: flex; gap: 16px; justify-content: center; }
.footer__legal a { color: var(--muted); transition: color var(--t); }
.footer__legal a:hover { color: var(--text); }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 640px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
  .categories__grid { grid-template-columns: 1fr 1fr; }
  .einsatz__grid { grid-template-columns: 1fr 1fr 1fr; }
  .form__row { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__burger { display: none; }

  .hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
  .hero__visual { display: flex; gap: 16px; align-items: flex-end; }
  .hero__card--secondary { margin-top: 32px; }

  .contact__grid { flex-direction: row; gap: 48px; }
  .contact__info { flex: 0 0 36%; }
  .contact__form { flex: 1; }

  .pd__grid { flex-direction: row; gap: 48px; }
  .pd__gallery { flex: 0 0 50%; }
  .pd__img-main { height: 400px; }

  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (min-width: 1024px) {
  .product-grid { grid-template-columns: repeat(4, 1fr); }
  .product-grid--shop { grid-template-columns: repeat(3, 1fr); }
  .hero { padding: 140px 0 80px; }
}

@media (hover: none) and (pointer: coarse) {
  .product:hover, .cat-card:hover { transform: none; }
  .btn:hover { transform: none; }
}

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