/* ============================================================
   Uhrteile Shop - Design System
   Seiko-inspiriert: viel Weißraum, Schwarz/Weiß als Hauptpalette,
   dezenter Bronze-Akzent statt flächigem Gold, kräftige serifenlose
   Headlines statt Schmuckserife, scharfe statt weiche Kanten.
   ============================================================ */

:root {
  /* Farben */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f3;
  --color-surface: #ffffff;
  --color-text: #111111;
  --color-text-muted: #6a6a68;
  --color-border: #e5e4e1;
  --color-border-strong: #cecdc8;
  --color-accent: #93733d;
  --color-accent-dark: #6e5628;
  --color-accent-soft: #f1ece0;
  --color-success: #3f7a4d;
  --color-danger: #b3392f;
  --color-danger-soft: #f8e8e6;

  --color-ink: #111111;
  --color-ink-soft: rgba(255, 255, 255, 0.68);
  --color-ink-border: rgba(255, 255, 255, 0.14);

  --gradient-hero: linear-gradient(180deg, #ffffff 0%, #f4f4f3 100%);

  /* Typografie */
  --font-display: 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;

  /* Sonstiges */
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;
  --shadow-sm: 0 1px 3px rgba(17, 17, 17, 0.08);
  --shadow-md: 0 6px 20px rgba(17, 17, 17, 0.10);
  --shadow-lg: 0 16px 40px rgba(17, 17, 17, 0.14);
  --max-width: 1240px;

  /* Höhe des sticky Headers (.site-header) - durch das 100px-Logo
     bestimmt, nicht durch Padding. Wird als Scroll-Offset gebraucht,
     damit Anker/Smooth-Scroll-Ziele nicht darunter verschwinden. */
  --header-height: 116px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.site-main { flex: 1 0 auto; width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 var(--space-3); color: var(--color-text); }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ---------------- Header / Nav ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-ink);
  border-bottom: 1px solid var(--color-ink-border);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
}

.brand__logo {
  height: 100px;
  width: 100px;
  object-fit: contain;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover {
  color: #ffffff;
  border-color: var(--color-accent);
}

.cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.65rem;
  min-width: 17px;
  height: 17px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span { width: 22px; height: 2px; background: #ffffff; display: block; }

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}
.btn-primary:hover { background: #000000; }

.btn-secondary {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-text);
}
.btn-secondary:hover { background: var(--color-ink); color: #fff; }

.btn-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: transparent;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.72rem; }

/* ---------------- Hero / Homepage ---------------- */

.hero {
  background: var(--gradient-hero);
  padding: var(--space-7) var(--space-4);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-3);
}

.hero p.lead {
  max-width: 620px;
  margin: 0 auto var(--space-4);
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section {
  padding: var(--space-6) var(--space-4);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__heading {
  text-align: center;
  margin-bottom: var(--space-5);
}

.section__heading p { color: var(--color-text-muted); max-width: 560px; margin: 0 auto; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.category-tile {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.category-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-ink);
}

.category-tile__inner { position: relative; z-index: 1; }

.category-tile h3 { margin-bottom: var(--space-2); }
.category-tile p { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 0; }

/* ---------------- Product grid ---------------- */

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.breadcrumbs a { color: var(--color-text); text-decoration: underline; text-underline-offset: 2px; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-border-strong); }

.product-card__image {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-card__image img { width: 100%; height: 100%; object-fit: cover; }
.product-card__placeholder { color: var(--color-text-muted); font-size: 0.8rem; }

.product-card__body { padding: var(--space-3); flex: 1; display: flex; flex-direction: column; }
.product-card__body h3 { font-size: 1rem; font-weight: 600; margin-bottom: var(--space-1); }
.product-card__price { color: var(--color-accent-dark); font-weight: 700; margin-top: auto; padding-top: var(--space-2); }

/* ---------------- Bundle-Konfigurator: Kategorie-Swatches (Apple-Stil) ---------------- */

.configurator-category { margin-bottom: var(--space-5); scroll-margin-top: calc(var(--header-height) + var(--space-3)); }
.configurator-category:last-child { margin-bottom: 0; }
.configurator-category h3 { margin-bottom: var(--space-3); font-size: 1.05rem; }

.product-grid--compact {
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--space-2);
}
.product-grid--compact .product-card__body { padding: var(--space-2); }
.product-grid--compact .product-card__body h3 { font-size: 0.82rem; margin-bottom: 0; }
.product-grid--compact .product-card__price { font-size: 0.78rem; padding-top: var(--space-1); }

.product-card.is-selected { border-color: var(--color-ink); box-shadow: 0 0 0 2px var(--color-ink); }
.product-card.is-selected .product-card__image::after {
  content: '✓';
  position: absolute;
  top: 6px;
  right: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.bundle-summary-list { list-style: none; margin: 0; padding: 0; }
.bundle-summary-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.bundle-summary-list li:last-child { border-bottom: none; }
.bundle-summary-name { font-weight: 500; }
.bundle-summary-price { color: var(--color-text-muted); white-space: nowrap; }

.empty-state {
  text-align: center;
  padding: var(--space-6) var(--space-3);
  color: var(--color-text-muted);
}

/* ---------------- Product detail ---------------- */

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.product-detail__image {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-detail__image img { width: 100%; height: 100%; object-fit: cover; }

.product-detail__category {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-2);
}

.product-detail__price {
  font-size: 1.6rem;
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-weight: 700;
  margin: var(--space-3) 0;
}

.product-detail__desc { color: var(--color-text-muted); margin-bottom: var(--space-4); }

.qty-form {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.qty-input {
  width: 70px;
  padding: 0.7rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  text-align: center;
}

.stock-note { font-size: 0.85rem; color: var(--color-text-muted); margin-top: var(--space-3); }

/* ---------------- Cart ---------------- */

.cart-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.cart-table th, .cart-table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.cart-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.cart-table tr:last-child td { border-bottom: none; }

.cart-item__product { display: flex; align-items: center; gap: var(--space-3); }
.cart-item__thumb {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  background: var(--color-bg-alt); overflow: hidden; flex-shrink: 0;
}
.cart-item__thumb img { width: 100%; height: 100%; object-fit: cover; }

.cart-summary {
  margin-top: var(--space-5);
  margin-left: auto;
  max-width: 360px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.cart-summary__row { display: flex; justify-content: space-between; margin-bottom: var(--space-2); color: var(--color-text-muted); }
.cart-summary__row--total { font-size: 1.2rem; color: var(--color-text); font-family: var(--font-display); font-weight: 700; border-top: 1px solid var(--color-border); padding-top: var(--space-3); margin-top: var(--space-3); }

/* ---------------- Forms ---------------- */

.form-group { margin-bottom: var(--space-4); }
.form-group label { display: block; margin-bottom: var(--space-2); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); }
.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  background: var(--color-surface);
  color: var(--color-text);
}
.form-control:focus { outline: none; border-color: var(--color-ink); box-shadow: 0 0 0 3px var(--color-accent-soft); }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }

.alert { padding: var(--space-3); border-radius: var(--radius-sm); margin-bottom: var(--space-4); font-size: 0.9rem; }
.alert-error { background: var(--color-danger-soft); color: var(--color-danger); }
.alert-success { background: #e6efe1; color: var(--color-success); }

/* ---------------- Checkout confirmation ---------------- */

.confirmation {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  max-width: 620px;
  margin: 0 auto;
}
.confirmation__icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--color-ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-4); font-size: 1.8rem;
}

/* ---------------- Sendungsverfolgung ---------------- */

.tracking-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

/* ---------------- Bundle-Konfigurator ---------------- */

.configurator-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-5);
  align-items: start;
}

.configurator-summary {
  position: sticky;
  top: 120px;
  scroll-margin-top: calc(var(--header-height) + var(--space-3));
  scroll-margin-bottom: var(--space-4);
}

.tracking-steps {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.tracking-steps__step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.tracking-steps__dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-border-strong);
  flex-shrink: 0;
}
.tracking-steps__step.is-done { color: var(--color-text); }
.tracking-steps__step.is-done .tracking-steps__dot { background: var(--color-success); }
.tracking-steps__step.is-current { color: var(--color-accent-dark); font-weight: 600; }
.tracking-steps__step.is-current .tracking-steps__dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.tracking-items { list-style: none; margin: 0; padding: 0; }
.tracking-items li { display: flex; justify-content: space-between; gap: var(--space-3); padding: var(--space-1) 0; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.tracking-items li:last-child { border-bottom: none; }
.tracking-items li span { color: var(--color-text-muted); white-space: nowrap; }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--color-ink-border);
  background: var(--color-ink);
  margin-top: var(--space-7);
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
  text-align: center;
  color: var(--color-ink-soft);
  font-size: 0.85rem;
}
.site-footer__inner p { color: var(--color-ink-soft); }
.site-footer__contact { margin-top: var(--space-1); }
.site-footer__legal {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-ink-border);
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.site-footer__legal a { color: var(--color-ink-soft); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.site-footer__legal a:hover { color: #ffffff; }

/* ---------------- Rechtliche Seiten (Impressum, Datenschutz, AGB, Widerruf) ---------------- */

.legal-content { max-width: 760px; margin: 0 auto; }
.legal-content h2 { margin-top: var(--space-5); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { font-family: var(--font-sans); font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-accent-dark); margin-top: var(--space-4); }
.legal-content p, .legal-content li { color: var(--color-text-muted); font-size: 0.95rem; }
.legal-content ul, .legal-content ol { padding-left: 1.3em; margin: 0 0 var(--space-3); }
.legal-content a { color: var(--color-text); text-decoration: underline; }
.legal-placeholder { background: var(--color-accent-soft); border: 1px dashed var(--color-accent); border-radius: var(--radius-sm); padding: var(--space-3); font-size: 0.85rem; color: var(--color-accent-dark); margin-bottom: var(--space-4); }

/* ---------------- Responsive ---------------- */

@media (max-width: 1200px) {
  .container, .section { padding-left: var(--space-3); padding-right: var(--space-3); }
}

@media (max-width: 768px) {
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-ink); border-bottom: 1px solid var(--color-ink-border); display: none; }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: var(--space-2) var(--space-4); }
  .main-nav a { display: block; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-ink-border); }
  .nav-toggle { display: flex; }
  .product-detail { grid-template-columns: 1fr; }
  .tracking-layout { grid-template-columns: 1fr; }
  .configurator-layout { grid-template-columns: 1fr; }
  .configurator-summary { position: static; }
  .form-row { grid-template-columns: 1fr; }
  .cart-summary { max-width: none; margin-left: 0; }
  .cart-table thead { display: none; }
  .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; width: 100%; }
  .cart-table tr { border-bottom: 1px solid var(--color-border); padding: var(--space-2) 0; }
  .cart-table td { border-bottom: none; padding: var(--space-1) var(--space-3); }
}

@media (max-width: 480px) {
  .hero { padding: var(--space-6) var(--space-3); }
  .section { padding: var(--space-5) var(--space-3); }
  .form-card { padding: var(--space-4); }
}