/* ============================================
   WC Vermietung NRW – Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #42a629;
  --color-primary-light: #5cbd43;
  --color-primary-dark: #358a21;
  --color-primary-50: #f0faf0;
  --color-primary-100: #dcf5d8;
  --color-primary-200: #b8ebb2;

  --color-secondary: #2563eb;
  --color-secondary-light: #3b82f6;
  --color-secondary-dark: #1d4ed8;

  --color-white: #ffffff;
  --color-gray-50: #f8fafb;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-500: #64748b;
  --color-gray-700: #334155;
  --color-gray-900: #0f172a;

  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #0ea5e9;

  --color-baustelle: #f59e0b;
  --color-baustelle-light: #fef3c7;
  --color-veranstaltung: #8b5cf6;
  --color-veranstaltung-light: #ede9fe;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(15,23,42,.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,.08);
  --shadow-lg: 0 8px 30px rgba(15,23,42,.1);
  --shadow-xl: 0 20px 60px rgba(15,23,42,.12);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-900);
  background: var(--color-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; -webkit-appearance: none; appearance: none; }
input, textarea, select { font: inherit; }

/* === Typography === */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--color-gray-900); }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 600; }
h3 { font-size: clamp(1.125rem, 3vw, 1.5rem); font-weight: 600; }
p { margin-bottom: var(--space-4); }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-muted { color: var(--color-gray-500); }
.text-center { text-align: center; }

/* === Layout === */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }
.section { padding: var(--space-20) 0; }
.section-sm { padding: var(--space-12) 0; }
.section--gray { background: var(--color-gray-50); }
.section--primary { background: var(--color-primary); color: var(--color-white); }
.section--primary h2, .section--primary h3 { color: var(--color-white); }

.grid { display: grid; gap: var(--space-8); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-8); border-radius: var(--radius-md);
  font-family: var(--font-heading); font-weight: 600; font-size: 1rem;
  transition: all var(--transition-base); cursor: pointer; white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary); color: var(--color-white);
  box-shadow: 0 2px 8px rgba(66,166,41,.3);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(66,166,41,.4); }
.btn-secondary { background: var(--color-white); color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary-50); }
.btn-white { background: var(--color-white); color: var(--color-primary); }
.btn-white:hover { background: var(--color-gray-100); }
.btn-lg { padding: var(--space-4) var(--space-10); font-size: 1.125rem; }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: 0.875rem; }

/* === Cards === */
.card {
  background: var(--color-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); overflow: hidden;
  transition: all var(--transition-base); border: 1px solid var(--color-gray-200);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card-body { padding: var(--space-6); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* === Context Cards (Baustelle / Veranstaltung) === */
.context-card {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  background: var(--color-white); box-shadow: var(--shadow-md);
  transition: all var(--transition-base); cursor: pointer;
  border: 2px solid transparent;
}
.context-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.context-card--baustelle:hover { border-color: var(--color-baustelle); }
.context-card--veranstaltung:hover { border-color: var(--color-veranstaltung); }
.context-card__image { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.context-card__body { padding: var(--space-8); }
.context-card__badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-4); border-radius: var(--radius-full);
  font-size: 0.8125rem; font-weight: 600; font-family: var(--font-heading);
  margin-bottom: var(--space-4);
}
.context-card__badge--baustelle { background: var(--color-baustelle-light); color: #92400e; }
.context-card__badge--veranstaltung { background: var(--color-veranstaltung-light); color: #5b21b6; }
.context-card__title { font-size: 1.5rem; margin-bottom: var(--space-3); }
.context-card__list { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-6); }
.context-card__list li { display: flex; align-items: center; gap: var(--space-2); color: var(--color-gray-700); }
.context-card__list li svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; }

/* === Product Cards === */
.product-card { display: flex; flex-direction: column; height: 100%; }
.product-card .card-body { flex: 1; display: flex; flex-direction: column; }
.product-card__title { font-size: 1.125rem; margin-bottom: var(--space-2); }
.product-card__meta { font-size: 0.875rem; color: var(--color-gray-500); margin-bottom: var(--space-4); }
.product-card__footer { margin-top: auto; display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* === Badges === */
.badge {
  display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600;
  font-family: var(--font-heading);
}
.badge--baustelle { background: var(--color-baustelle-light); color: #92400e; }
.badge--veranstaltung { background: var(--color-veranstaltung-light); color: #5b21b6; }
.badge--primary { background: var(--color-primary-100); color: var(--color-primary-dark); }

/* === Stat Counters === */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); text-align: center; }
.stat__number { font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; color: var(--color-primary); line-height: 1; }
.stat__label { font-size: 0.9375rem; color: var(--color-gray-500); margin-top: var(--space-2); }

/* === Steps === */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); }
.step { text-align: center; position: relative; }
.step__number {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-primary); color: var(--color-white);
  font-family: var(--font-heading); font-weight: 700; font-size: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-4);
}
.step__title { font-family: var(--font-heading); font-weight: 600; margin-bottom: var(--space-2); }
.step__desc { font-size: 0.875rem; color: var(--color-gray-500); }

/* === USP Cards === */
.usp-card {
  padding: var(--space-8); border-radius: var(--radius-lg);
  background: var(--color-white); text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}
.usp-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-primary-200); }
.usp-card__icon {
  width: 64px; height: 64px; border-radius: var(--radius-lg);
  background: var(--color-primary-50); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-6);
}
.usp-card__icon svg { width: 28px; height: 28px; }
.usp-card__title { font-family: var(--font-heading); font-weight: 600; font-size: 1.125rem; margin-bottom: var(--space-3); }
.usp-card__desc { color: var(--color-gray-500); font-size: 0.9375rem; }

/* === CTA Banner === */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl); padding: var(--space-16) var(--space-8);
  text-align: center; color: var(--color-white);
}
.cta-banner h2 { color: var(--color-white); margin-bottom: var(--space-4); }
.cta-banner p { opacity: 0.9; margin-bottom: var(--space-8); max-width: 600px; margin-left: auto; margin-right: auto; }

/* === Navbar === */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}
.navbar--scrolled { border-bottom-color: var(--color-gray-200); box-shadow: var(--shadow-sm); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.navbar__logo img { height: 48px; width: auto; }
.navbar__nav { display: flex; align-items: center; gap: var(--space-8); }
.navbar__link {
  font-family: var(--font-heading); font-weight: 500; font-size: 0.9375rem;
  color: var(--color-gray-700); transition: color var(--transition-fast);
  position: relative;
}
.navbar__link:hover, .navbar__link--active { color: var(--color-primary); }
.navbar__link::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--color-primary); border-radius: 1px;
  transform: scaleX(0); transition: transform var(--transition-base);
}
.navbar__link:hover::after, .navbar__link--active::after { transform: scaleX(1); }
.navbar__phone {
  display: flex; align-items: center; gap: var(--space-2);
  color: var(--color-primary); font-weight: 600; font-family: var(--font-heading);
}
.navbar__phone svg { width: 18px; height: 18px; }
.navbar__mobile-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; color: var(--color-gray-700); background: transparent; border: none; padding: 0; -webkit-appearance: none; appearance: none; }
.navbar__mobile-toggle svg { width: 24px; height: 24px; }

/* === Footer === */
.footer { background: var(--color-gray-900); color: var(--color-gray-300); padding: var(--space-16) 0 var(--space-8); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-12); margin-bottom: var(--space-12); }
.footer__title { font-family: var(--font-heading); font-weight: 600; color: var(--color-white); font-size: 1.0625rem; margin-bottom: var(--space-6); }
.footer__logo { height: 56px; margin-bottom: var(--space-4); }
.footer__desc { font-size: 0.9375rem; line-height: 1.7; margin-bottom: var(--space-6); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__link { font-size: 0.9375rem; transition: color var(--transition-fast); }
.footer__link:hover { color: var(--color-primary); }
.footer__contact-item { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-4); font-size: 0.9375rem; }
.footer__contact-item svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: var(--space-8); text-align: center; font-size: 0.875rem; color: var(--color-gray-500); }

/* === Hero === */
.hero { padding: calc(72px + var(--space-16)) 0 var(--space-16); background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%); }
.hero__content { max-width: 700px; }
.hero__title { margin-bottom: var(--space-6); }
.hero__subtitle { font-size: 1.125rem; color: var(--color-gray-500); margin-bottom: var(--space-8); line-height: 1.7; }
.hero__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* Context Hero (Baustelle/Veranstaltung) */
.hero--baustelle { background: linear-gradient(135deg, var(--color-baustelle-light) 0%, var(--color-white) 100%); }
.hero--veranstaltung { background: linear-gradient(135deg, var(--color-veranstaltung-light) 0%, var(--color-white) 100%); }

/* === Product Detail === */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: start; }
.product-detail__gallery { border-radius: var(--radius-lg); overflow: hidden; }
.product-detail__gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.product-detail__info { display: flex; flex-direction: column; gap: var(--space-6); }
.product-detail__title { font-size: 2rem; }
.product-detail__config { font-size: 1rem; color: var(--color-gray-500); padding: var(--space-4); background: var(--color-gray-50); border-radius: var(--radius-md); }
.product-detail__dimensions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.product-detail__dim { padding: var(--space-4); background: var(--color-gray-50); border-radius: var(--radius-md); text-align: center; }
.product-detail__dim-value { font-family: var(--font-heading); font-weight: 700; font-size: 1.25rem; color: var(--color-primary); }
.product-detail__dim-label { font-size: 0.8125rem; color: var(--color-gray-500); }
.product-detail__features { display: flex; flex-direction: column; gap: var(--space-3); }
.product-detail__feature { display: flex; align-items: center; gap: var(--space-3); }
.product-detail__feature svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; }
.product-detail__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* === Filter Bar === */
.filter-bar {
  display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap;
  padding: var(--space-4) var(--space-6); background: var(--color-white);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200); margin-bottom: var(--space-8);
}
.filter-btn {
  padding: var(--space-2) var(--space-6); border-radius: var(--radius-full);
  font-family: var(--font-heading); font-weight: 500; font-size: 0.875rem;
  border: 1px solid var(--color-gray-200); background: var(--color-white);
  color: var(--color-gray-700); transition: all var(--transition-fast); cursor: pointer;
}
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn--active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* === Forms === */
.form-group { margin-bottom: var(--space-6); }
.form-label { display: block; font-weight: 600; font-size: 0.875rem; margin-bottom: var(--space-2); color: var(--color-gray-700); }
.form-input {
  width: 100%; padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300); border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
  background: var(--color-white); font-size: 1rem;
}
.form-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(66,166,41,.15); }
.form-input--error { border-color: var(--color-error); }
.form-error { font-size: 0.8125rem; color: var(--color-error); margin-top: var(--space-1); }
textarea.form-input { min-height: 120px; resize: vertical; }

/* === Booking Wizard === */
.wizard-steps { display: flex; justify-content: center; gap: var(--space-2); margin-bottom: var(--space-12); }
.wizard-step {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-full);
  font-family: var(--font-heading); font-weight: 500; font-size: 0.875rem;
  color: var(--color-gray-500); background: var(--color-gray-100);
}
.wizard-step--active { background: var(--color-primary); color: var(--color-white); }
.wizard-step--done { background: var(--color-primary-100); color: var(--color-primary-dark); }
.wizard-step__number {
  width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8125rem; background: rgba(255,255,255,.2);
}
.wizard-step--active .wizard-step__number { background: rgba(255,255,255,.3); }

/* Booking Product Rows */
.booking-product__row { display: flex; gap: var(--space-4); align-items: center; }
.booking-product__img { width: 100px; height: 70px; object-fit: cover; border-radius: var(--radius-md); flex-shrink: 0; }
.booking-product__info { flex: 1; min-width: 0; }
.booking-product__qty { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

/* Wizard Actions */
.wizard-actions { display: flex; justify-content: space-between; margin-top: var(--space-8); gap: var(--space-4); }

/* === Page Header === */
.page-header {
  padding: calc(72px + var(--space-12)) 0 var(--space-12);
  background: var(--color-gray-50);
}
.page-header__breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: 0.875rem; color: var(--color-gray-500); margin-bottom: var(--space-4); }
.page-header__breadcrumb a:hover { color: var(--color-primary); }
.page-header__breadcrumb svg { width: 14px; height: 14px; }

/* === Animations === */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes countUp { from { opacity: 0; transform: scale(0.5); } to { opacity: 1; transform: scale(1); } }
.animate-fade-in-up { animation: fadeInUp 0.6s ease forwards; opacity: 0; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* === Mobile Menu === */
.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--color-white); z-index: 999; padding: var(--space-8);
  flex-direction: column; gap: var(--space-6);
}
.mobile-menu--open { display: flex; }
.mobile-menu__link { font-family: var(--font-heading); font-weight: 500; font-size: 1.125rem; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-gray-200); }

/* === Responsive === */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .navbar__nav { display: none; }
  .navbar__phone { display: none; }
  .navbar__mobile-toggle { display: flex; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: calc(72px + var(--space-8)) 0 var(--space-8); }
  .section { padding: var(--space-12) 0; }
  .cta-banner { padding: var(--space-10) var(--space-6); }
  .wizard-steps { flex-direction: column; align-items: stretch; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .booking-product__row { flex-wrap: wrap; }
  .booking-product__qty { width: 100%; justify-content: center; padding-top: var(--space-3); border-top: 1px solid var(--color-gray-100); margin-top: var(--space-2); }
  .wizard-actions { flex-direction: column-reverse; }
  .wizard-actions .btn { width: 100%; }
}
@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .steps { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .product-detail__actions { flex-direction: column; }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}