/* ============================================================
   GOLLBAU Mietgeräte – Haupt-Stylesheet (mobile-first)
   ============================================================ */

/* ---------- Reset & Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1.25;
  margin: 0 0 var(--space-3);
  font-weight: 600;
}
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
@media (min-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
}
p { margin: 0 0 var(--space-4); }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-4); }
main { flex: 1; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* Skew-Motiv aus dem Logo */
.skew-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: 2px 12px;
  transform: skewX(-12deg);
}
.skew-tag > span { display: inline-block; transform: skewX(12deg); }

.section-title {
  display: flex; align-items: center; gap: var(--space-3);
  margin: var(--space-8) 0 var(--space-5);
}
.section-title::before {
  content: ''; width: 14px; height: 28px;
  background: var(--color-accent); transform: skewX(-12deg);
  flex-shrink: 0;
}
.section-title h2 { margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-heading); font-weight: 600; font-size: var(--text-base);
  padding: 0.7rem 1.4rem; border-radius: var(--btn-radius);
  border: 2px solid transparent; cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none !important;
  min-height: 48px;
  touch-action: manipulation;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn-primary:hover { background: var(--color-accent-hover); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-secondary:hover { background: var(--color-primary-hover); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: var(--text-sm); min-height: 40px; }
.btn-block { width: 100%; }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: var(--header-bg);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); padding: var(--space-2) var(--space-4);
  max-width: 1200px; margin: 0 auto;
}
.logo img { height: 48px; width: auto; }
[data-theme="dark"] .logo img { background: #fff; padding: 4px 8px; border-radius: var(--radius-sm); }

.main-nav { display: none; }
.main-nav a {
  font-family: var(--font-heading); font-weight: 500; color: var(--text);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
}
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); text-decoration: none; background: var(--blue-100); }
[data-theme="dark"] .main-nav a:hover, [data-theme="dark"] .main-nav a.active { background: var(--surface-raised); }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius);
  border: none; background: transparent; color: var(--text); cursor: pointer;
  position: relative;
  transition: background var(--transition);
}
.icon-btn:hover { background: var(--gray-100); }
[data-theme="dark"] .icon-btn:hover { background: var(--surface-raised); }
.icon-btn svg { width: 24px; height: 24px; }
.cart-badge {
  position: absolute; top: 4px; right: 4px;
  background: var(--color-accent); color: var(--color-on-accent);
  font-size: 0.7rem; font-weight: 700; font-family: var(--font-heading);
  min-width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

@media (min-width: 900px) {
  .main-nav { display: flex; gap: var(--space-1); }
  .burger { display: none; }
}

/* Mobile Drawer */
.drawer {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  visibility: hidden; pointer-events: none;
}
.drawer.open { visibility: visible; pointer-events: auto; }
.drawer-scrim {
  position: absolute; inset: 0; background: rgb(0 10 30 / 0.5);
  opacity: 0; transition: opacity var(--transition);
}
.drawer.open .drawer-scrim { opacity: 1; }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(320px, 85vw);
  background: var(--surface); box-shadow: var(--shadow-lg);
  transform: translateX(100%); transition: transform 240ms ease-out;
  padding: var(--space-5); overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--space-2);
}
.drawer.open .drawer-panel { transform: translateX(0); }
.drawer-panel a {
  font-family: var(--font-heading); font-weight: 500; font-size: var(--text-lg);
  color: var(--text); padding: var(--space-3); border-radius: var(--radius);
}
.drawer-panel a:hover { background: var(--gray-100); text-decoration: none; }
[data-theme="dark"] .drawer-panel a:hover { background: var(--surface-raised); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 55%, #0a4ba3 100%);
  color: #fff; padding: var(--space-8) 0;
  background-image:
    linear-gradient(
      90deg,
      rgba(0, 24, 63, 0.94) 0%,
      rgba(0, 24, 63, 0.82) 38%,
      rgba(0, 24, 63, 0.42) 68%,
      rgba(0, 24, 63, 0.12) 100%
    ),
    url("/assets/img/hero.webp");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative; overflow: hidden;
}


.hero::after {
  content: ''; position: absolute; right: -80px; top: -40px; bottom: -40px; width: 45%;
  background: rgb(132 189 0 / 0.10); transform: skewX(-12deg);
  pointer-events: none;
}
.hero h1 { color: #fff; margin-bottom: var(--space-2); }
.hero p { color: #cfe0f5; max-width: 560px; }
.hero .container { position: relative; z-index: 1; }
.hero-search { display: flex; gap: var(--space-2); max-width: 560px; margin-top: var(--space-5); }
.hero-search input {
  flex: 1; min-height: 52px; padding: 0 var(--space-4);
  border: none; border-radius: var(--radius); font-size: var(--text-base);
  font-family: var(--font-body); background: #fff; color: var(--gray-900);
}
.hero-usps { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6); padding: 0; list-style: none; }
.hero-usps li { display: flex; align-items: center; gap: var(--space-2); color: #e6efdc; font-size: var(--text-sm); }
.hero-usps svg { width: 18px; height: 18px; color: var(--green-500); flex-shrink: 0; }

/* ---------- Kategorie-Grid ---------- */
.category-grid {
  display: grid; gap: var(--space-3);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .category-grid { grid-template-columns: repeat(4, 1fr); } }
.category-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-2);
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: var(--space-4);
  color: var(--text) !important; text-decoration: none !important;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
}
.category-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); border-color: var(--color-accent); }
.category-card .cat-icon {
  width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--blue-100); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
[data-theme="dark"] .category-card .cat-icon { background: var(--surface-raised); }
.category-card .cat-icon svg { width: 24px; height: 24px; }
.category-card strong { font-family: var(--font-heading); font-weight: 600; }
.category-card small { color: var(--text-muted); }

/* ---------- Item-Cards ---------- */
.item-grid {
  display: grid; gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .item-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .item-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) { .item-grid { grid-template-columns: repeat(4, 1fr); } }

.item-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.item-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.item-card-img {
  aspect-ratio: 4 / 3; background: var(--gray-100);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
[data-theme="dark"] .item-card-img { background: var(--surface-raised); }
.item-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 300ms ease-out; }
.item-card:hover .item-card-img img { transform: scale(1.04); }
.item-card-img .no-img { color: var(--text-muted); }
.item-card-img .no-img svg { width: 48px; height: 48px; }
.item-card-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1); flex: 1; }
.item-card-cat { font-size: var(--text-sm); color: var(--text-muted); }
.item-card h3 { margin: 0; font-size: var(--text-base); font-weight: 600; }
.item-card h3 a { color: var(--text); }
.item-card h3 a::after { content: ''; position: absolute; inset: 0; }
.item-card h3 a:hover { text-decoration: none; }
.item-card-price { margin-top: auto; padding-top: var(--space-2); font-family: var(--font-heading); }
.item-card-price strong { color: var(--color-primary); font-size: var(--text-lg); }
[data-theme="dark"] .item-card-price strong { color: var(--color-accent); }
.item-card-price span { color: var(--text-muted); font-size: var(--text-sm); }
.promo-badge {
  position: absolute; top: var(--space-3); left: 0; z-index: 2;
  background: var(--color-accent); color: var(--color-on-accent);
  font-family: var(--font-heading); font-weight: 700; font-size: var(--text-sm);
  padding: 4px 14px 4px 10px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.location-chip {
  position: absolute; top: var(--space-3); right: var(--space-3); z-index: 2;
  background: rgb(0 42 97 / 0.85); color: #fff; font-size: 0.75rem;
  padding: 2px 10px; border-radius: 99px; backdrop-filter: blur(4px);
}

/* ---------- Filter ---------- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
  margin: var(--space-4) 0 var(--space-5);
  align-items: center;
}
.filter-bar form { display: flex; gap: var(--space-2); flex: 1 1 100%; }
@media (min-width: 768px) { .filter-bar form { flex: 0 1 340px; } }
.filter-bar input[type="search"] {
  flex: 1; min-height: 44px; padding: 0 var(--space-3);
  border: 1px solid var(--input-border); border-radius: var(--radius);
  background: var(--input-bg); color: var(--text); font-size: var(--text-base);
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; min-height: 40px; border-radius: 99px;
  background: var(--surface); border: 1px solid var(--border-strong);
  color: var(--text); font-size: var(--text-sm); cursor: pointer;
  text-decoration: none !important;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.chip.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ---------- Detailseite ---------- */
.item-detail { display: grid; gap: var(--space-6); margin-top: var(--space-5); }
@media (min-width: 900px) { .item-detail { grid-template-columns: minmax(0, 7fr) minmax(320px, 5fr); align-items: start; } }

.gallery-main {
  aspect-ratio: 4 / 3; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--gray-100); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
[data-theme="dark"] .gallery-main { background: var(--surface-raised); }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumbs { display: flex; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }
.gallery-thumbs button {
  width: 72px; height: 56px; border-radius: var(--radius-sm); overflow: hidden;
  border: 2px solid var(--border); background: var(--gray-100); cursor: pointer; padding: 0;
}
.gallery-thumbs button.active { border-color: var(--color-accent); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.price-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: var(--space-5);
  box-shadow: var(--card-shadow);
  position: sticky; top: 80px;
}
.price-table { width: 100%; border-collapse: collapse; margin: var(--space-3) 0; }
.price-table td, .price-table th {
  padding: var(--space-2) 0; text-align: left;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.price-table td:last-child { text-align: right; font-family: var(--font-heading); font-weight: 600; color: var(--color-primary); }
[data-theme="dark"] .price-table td:last-child { color: var(--color-accent); }
.price-note { font-size: var(--text-sm); color: var(--text-muted); }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: var(--space-2) 0; border-bottom: 1px solid var(--border); }
.spec-table td:first-child { color: var(--text-muted); width: 40%; }

.info-banner {
  display: flex; gap: var(--space-3); align-items: flex-start;
  background: var(--blue-100); border-radius: var(--radius);
  padding: var(--space-3) var(--space-4); font-size: var(--text-sm);
  margin: var(--space-3) 0;
}
[data-theme="dark"] .info-banner { background: var(--surface-raised); }
.info-banner svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--color-primary); margin-top: 2px; }

/* ---------- Rechner ---------- */
.calculator { margin-top: var(--space-4); border-top: 2px solid var(--border); padding-top: var(--space-4); }
.calc-dates { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.calc-dates label { font-size: var(--text-sm); color: var(--text-muted); display: block; margin-bottom: 4px; }
.calc-dates input {
  width: 100%; min-height: 44px; padding: 0 var(--space-2);
  border: 1px solid var(--input-border); border-radius: var(--radius);
  background: var(--input-bg); color: var(--text); font-size: var(--text-base);
  font-family: var(--font-body);
}
.calc-result {
  margin-top: var(--space-3); padding: var(--space-3) var(--space-4);
  background: var(--success-bg); border-radius: var(--radius);
  display: none;
}
.calc-result.visible { display: block; }
.calc-result .total { font-family: var(--font-heading); font-size: var(--text-xl); font-weight: 700; color: var(--success-text); }
.calc-result .savings { font-size: var(--text-sm); color: var(--success-text); }
.calc-result .breakdown { font-size: var(--text-sm); color: var(--text-muted); margin-top: 4px; }
.calc-error { margin-top: var(--space-3); color: var(--danger); font-size: var(--text-sm); display: none; }
.calc-error.visible { display: block; }

/* ---------- Formulare ---------- */
.form-grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .form-grid.two-col { grid-template-columns: 1fr 1fr; } }
.form-field label { display: block; font-weight: 600; font-size: var(--text-sm); margin-bottom: 4px; }
.form-field .required { color: var(--danger); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 0.65rem var(--space-3); min-height: 48px;
  border: 1px solid var(--input-border); border-radius: var(--radius);
  background: var(--input-bg); color: var(--text);
  font-size: var(--text-base); font-family: var(--font-body);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field .hint { font-size: var(--text-sm); color: var(--text-muted); margin-top: 4px; }
.honeypot { position: absolute; left: -9999px; }

/* ---------- Anfragekorb ---------- */
.cart-list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-6); }
.cart-row {
  display: grid; grid-template-columns: 80px 1fr auto; gap: var(--space-3);
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: var(--space-3); align-items: center;
}
.cart-row img { width: 80px; height: 60px; object-fit: cover; border-radius: var(--radius-sm); }
.cart-row .cart-meta { font-size: var(--text-sm); color: var(--text-muted); }
.cart-row .cart-price { font-family: var(--font-heading); font-weight: 600; color: var(--color-primary); white-space: nowrap; }
[data-theme="dark"] .cart-row .cart-price { color: var(--color-accent); }

/* ---------- Promo-Sektion ---------- */
.promo-strip {
  background: linear-gradient(120deg, var(--blue-800), var(--blue-900));
  border-radius: var(--radius-lg); color: #fff;
  padding: var(--space-5); display: flex; flex-wrap: wrap;
  align-items: center; gap: var(--space-4);
  position: relative; overflow: hidden;
}
.promo-strip::before {
  content: ''; position: absolute; left: -20px; top: -20px; bottom: -20px; width: 90px;
  background: var(--green-500); transform: skewX(-12deg); opacity: 0.9;
}
.promo-strip > * { position: relative; }
.promo-strip h3 { color: #fff; margin: 0; }
.promo-strip p { color: #cfe0f5; margin: 0; }

/* ---------- Sticky Mobile CTA ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-header);
  background: var(--surface); border-top: 1px solid var(--border);
  padding: var(--space-2) var(--space-4);
  padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom));
  display: flex; gap: var(--space-2); align-items: center;
  box-shadow: 0 -4px 16px rgb(0 20 50 / 0.08);
}
.sticky-cta .price { font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); }
[data-theme="dark"] .sticky-cta .price { color: var(--color-accent); }
.sticky-cta .btn { flex: 1; }
@media (min-width: 900px) { .sticky-cta { display: none; } }
body.has-sticky-cta { padding-bottom: 84px; }
@media (min-width: 900px) { body.has-sticky-cta { padding-bottom: 0; } }

/* ---------- WhatsApp Float ---------- */
.wa-float {
  position: fixed; right: var(--space-4); bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  z-index: var(--z-header);
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }
body.has-sticky-cta .wa-float { bottom: calc(96px + env(safe-area-inset-bottom)); }
@media (min-width: 900px) { body.has-sticky-cta .wa-float { bottom: var(--space-4); } }

/* ---------- Toast / Flash ---------- */
.flash {
  position: fixed; top: 76px; left: 50%; transform: translateX(-50%);
  z-index: var(--z-toast); max-width: min(92vw, 480px);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius);
  font-weight: 600; box-shadow: var(--shadow-lg);
  animation: flash-in 240ms ease-out;
}
.flash.success { background: var(--color-accent); color: var(--color-on-accent); }
.flash.error { background: var(--danger); color: #fff; }
@keyframes flash-in { from { opacity: 0; transform: translate(-50%, -12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--space-10);
  background: var(--blue-900); color: #cfe0f5;
  padding: var(--space-8) 0 var(--space-5);
}
.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer h4 { color: #fff; font-size: var(--text-base); }
.site-footer a { color: #cfe0f5; }
.site-footer a:hover { color: var(--green-500); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-bottom {
  margin-top: var(--space-6); padding-top: var(--space-4);
  border-top: 1px solid rgb(255 255 255 / 0.15);
  font-size: var(--text-sm); color: #8fa9cc;
  display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between;
}
.footer-logo { background: #fff; display: inline-block; padding: 6px 10px; border-radius: var(--radius-sm); margin-bottom: var(--space-3); }
.footer-logo img { height: 40px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: var(--space-1);
  font-size: var(--text-sm); color: var(--text-muted);
  margin: var(--space-4) 0; padding: 0; list-style: none;
}
.breadcrumb li:not(:last-child)::after { content: '›'; margin-left: var(--space-1); }

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center; padding: var(--space-10) var(--space-4);
  color: var(--text-muted);
}
.empty-state svg { width: 64px; height: 64px; margin: 0 auto var(--space-4); opacity: 0.4; }