/* ==========================================================================
   GastroInox – Designsystem "Industrial Precision"
   Tokens gem. DESIGN.md. Alle Werte als CSS-Variablen, damit sie später
   über das Backend (GastroInox Core → Design) überschrieben werden können.
   ========================================================================== */

:root {
  /* Farben */
  --gi-primary: #000c1c;
  --gi-primary-container: #002341;
  --gi-industrial-blue: #0f172a;
  --gi-secondary: #516072;
  --gi-orange: #ff6600;
  --gi-error: #db1420;
  --gi-steel: #e2e8f0;
  --gi-surface: #f7f9fb;
  --gi-surface-container: #eceef0;
  --gi-white: #ffffff;
  --gi-on-surface: #191c1e;
  --gi-on-surface-variant: #43474e;
  --gi-outline: #73777e;
  --gi-outline-variant: #c3c6ce;

  /* Lagerampel (Backend-konfigurierbar) */
  --gi-stock-green: #16a34a;
  --gi-stock-yellow: #f59e0b;
  --gi-stock-red: #db1420;
  --gi-stock-blue: #2563eb;

  /* Typografie */
  --gi-font-display: 'Hanken Grotesk', system-ui, sans-serif;
  --gi-font-body: 'Inter', system-ui, sans-serif;
  --gi-font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Layout */
  --gi-container: 1280px;
  --gi-gutter: 24px;
  --gi-margin: 48px;
  --gi-radius: 0.25rem;
  --gi-radius-lg: 0.5rem;

  /* Elevation – nur dezent auf Hover (siehe DESIGN.md) */
  --gi-shadow-hover: 0 4px 12px rgba(0, 35, 65, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

body.gastroinox {
  margin: 0;
  font-family: var(--gi-font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--gi-on-surface);
  background: var(--gi-surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--gi-font-display); font-weight: 600; color: var(--gi-primary); margin: 0 0 .5em; }
h1 { font-size: 48px; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: 32px; line-height: 1.25; }
h3 { font-size: 24px; line-height: 1.3; }
a { color: var(--gi-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.gi-container { max-width: var(--gi-container); margin-inline: auto; padding-inline: var(--gi-margin); }
.gi-label { font-family: var(--gi-font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }
.gi-tech { font-family: var(--gi-font-mono); font-size: 13px; color: var(--gi-on-surface-variant); }

/* -------------------------------------------------------------- Buttons */
.gi-btn {
  display: inline-flex; align-items: center; gap: .5rem; justify-content: center;
  font-family: var(--gi-font-body); font-weight: 600; font-size: 15px;
  padding: 12px 20px; border-radius: var(--gi-radius); border: 1px solid transparent;
  cursor: pointer; transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.gi-btn--primary { background: var(--gi-orange); color: #fff; }
.gi-btn--primary:hover { background: #e65c00; text-decoration: none; }
.gi-btn--ghost { background: #fff; color: var(--gi-primary); border-color: var(--gi-steel); }
.gi-btn--ghost:hover { border-color: var(--gi-primary); text-decoration: none; }
.gi-btn--dark { background: var(--gi-primary); color: #fff; }
.gi-btn--dark:hover { background: var(--gi-primary-container); text-decoration: none; }
.gi-btn--block { width: 100%; }

/* -------------------------------------------------------------- Topbar */
.gi-topbar { background: var(--gi-surface-container); border-bottom: 1px solid var(--gi-steel); font-size: 13px; color: var(--gi-on-surface-variant); }
.gi-topbar .gi-container { display: flex; gap: 32px; justify-content: center; align-items: center; padding-block: 8px; flex-wrap: wrap; }
.gi-topbar span { display: inline-flex; align-items: center; gap: 6px; }

/* -------------------------------------------------------------- Header */
.gi-header { background: #fff; border-bottom: 1px solid var(--gi-steel); position: sticky; top: 0; z-index: 40; }
.gi-header .gi-container { display: flex; align-items: center; gap: 32px; padding-block: 14px; }
.gi-logo { font-family: var(--gi-font-display); font-weight: 700; font-size: 22px; color: var(--gi-primary); white-space: nowrap; }
.gi-logo b { color: var(--gi-orange); }
.gi-nav { display: flex; gap: 24px; }
.gi-nav a { color: var(--gi-on-surface); font-size: 15px; font-weight: 500; }
.gi-nav a:hover { color: var(--gi-orange); text-decoration: none; }
.gi-search { flex: 1; display: flex; align-items: center; gap: 8px; background: var(--gi-surface); border: 1px solid var(--gi-steel); border-radius: var(--gi-radius); padding: 8px 12px; max-width: 340px; margin-left: auto; }
.gi-search input { border: 0; background: transparent; outline: none; width: 100%; font-family: var(--gi-font-body); font-size: 14px; }
.gi-header-actions { display: flex; gap: 20px; align-items: center; }
.gi-header-actions a { color: var(--gi-on-surface); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.gi-cart-badge { background: var(--gi-orange); color: #fff; border-radius: 9999px; font-size: 11px; min-width: 18px; height: 18px; display: inline-grid; place-items: center; padding-inline: 4px; }

/* -------------------------------------------------------------- Hero */
.gi-hero { position: relative; min-height: 460px; display: flex; align-items: center; color: #fff; background: var(--gi-industrial-blue); overflow: hidden; }
.gi-hero__media { position: absolute; inset: 0; }
.gi-hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.gi-hero__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,23,42,.85) 0%, rgba(15,23,42,.35) 60%, rgba(15,23,42,0) 100%); }
.gi-hero .gi-container { position: relative; }
.gi-hero__card { background: rgba(255,255,255,.96); color: var(--gi-on-surface); max-width: 460px; padding: 40px; border-radius: var(--gi-radius-lg); }
.gi-hero__card .gi-label { color: var(--gi-orange); }
.gi-hero__card h1 { color: var(--gi-primary); margin-top: 12px; }
.gi-hero__card p { color: var(--gi-on-surface-variant); font-size: 18px; line-height: 1.6; }
.gi-hero__cta { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

/* -------------------------------------------------------------- Section */
.gi-section { padding-block: 64px; }
.gi-section--muted { background: var(--gi-surface); }
.gi-section__head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }
.gi-section__head h2 { margin: 0; }
.gi-section__head p { margin: 6px 0 0; color: var(--gi-on-surface-variant); }
.gi-section__link { color: var(--gi-orange); font-weight: 600; font-size: 14px; white-space: nowrap; }

/* -------------------------------------------------------------- Product grid + card */
.gi-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gi-gutter); }
.gi-card { background: #fff; border: 1px solid var(--gi-steel); border-radius: var(--gi-radius); display: flex; flex-direction: column; overflow: hidden; transition: box-shadow .15s ease, border-color .15s ease; }
.gi-card:hover { box-shadow: var(--gi-shadow-hover); border-color: var(--gi-outline-variant); }
.gi-card__media { position: relative; aspect-ratio: 4 / 3; background: var(--gi-surface); display: grid; place-items: center; padding: 16px; }
.gi-card__media img { max-height: 100%; width: auto; mix-blend-mode: multiply; }
.gi-card__badges { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.gi-badge { font-family: var(--gi-font-mono); font-size: 11px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; padding: 3px 8px; border-radius: var(--gi-radius); color: #fff; }
.gi-badge--express { background: var(--gi-orange); }
.gi-badge--sale { background: var(--gi-error); }
.gi-badge--new { background: var(--gi-primary); }
.gi-card__body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.gi-card__spec { font-family: var(--gi-font-mono); font-size: 12px; color: var(--gi-on-surface-variant); background: var(--gi-surface); border: 1px solid var(--gi-steel); border-radius: var(--gi-radius); padding: 5px 8px; align-self: flex-start; }
.gi-card__title { font-family: var(--gi-font-body); font-weight: 600; font-size: 15px; line-height: 1.35; color: var(--gi-on-surface); margin: 0; }
.gi-card__rating { font-size: 13px; color: var(--gi-outline); }
.gi-card__rating b { color: var(--gi-on-surface-variant); font-weight: 500; }
.gi-price { margin-top: auto; }
.gi-price__uvp { font-size: 13px; color: var(--gi-outline); text-decoration: line-through; }
.gi-price__now { font-family: var(--gi-font-display); font-weight: 700; font-size: 20px; color: var(--gi-error); }
.gi-price__now--regular { color: var(--gi-on-surface); }
.gi-price__vat { font-size: 12px; color: var(--gi-outline); }
.gi-price__save { font-size: 12px; font-weight: 600; color: var(--gi-stock-green); }
.gi-card__foot { border-top: 1px solid var(--gi-steel); padding: 12px 16px; }

/* -------------------------------------------------------------- Lagerampel */
.gi-stock { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; }
.gi-stock__dot { width: 10px; height: 10px; border-radius: 9999px; flex: none; }
.gi-stock--green .gi-stock__dot { background: var(--gi-stock-green); }
.gi-stock--yellow .gi-stock__dot { background: var(--gi-stock-yellow); }
.gi-stock--red .gi-stock__dot { background: var(--gi-stock-red); }
.gi-stock--blue .gi-stock__dot { background: var(--gi-stock-blue); }

/* -------------------------------------------------------------- Category tiles */
.gi-cats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gi-gutter); }
.gi-cat { position: relative; min-height: 220px; border-radius: var(--gi-radius); overflow: hidden; display: flex; align-items: flex-end; color: #fff; background: var(--gi-industrial-blue); }
.gi-cat img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .6; }
.gi-cat::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(15,23,42,.85), rgba(15,23,42,0) 70%); }
.gi-cat__body { position: relative; padding: 24px; }
.gi-cat__body h3 { color: #fff; margin: 0 0 4px; }
.gi-cat__body p { margin: 0; color: rgba(255,255,255,.8); font-size: 14px; }

/* -------------------------------------------------------------- Footer */
.gi-footer { background: var(--gi-primary); color: rgba(255,255,255,.85); padding-block: 56px 0; margin-top: 64px; }
.gi-footer a { color: rgba(255,255,255,.8); font-size: 14px; }
.gi-footer a:hover { color: #fff; }
.gi-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.gi-footer__brand { font-family: var(--gi-font-display); font-weight: 700; font-size: 20px; color: var(--gi-orange); margin-bottom: 12px; }
.gi-footer h4 { color: #fff; font-family: var(--gi-font-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 16px; }
.gi-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.gi-footer__news { display: flex; gap: 8px; margin-top: 10px; }
.gi-footer__news input { flex: 1; padding: 10px; border-radius: var(--gi-radius); border: 1px solid var(--gi-primary-container); background: var(--gi-primary-container); color: #fff; }
.gi-footer__bar { border-top: 1px solid var(--gi-primary-container); margin-top: 48px; padding-block: 20px; font-size: 12px; color: rgba(255,255,255,.6); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* -------------------------------------------------------------- Responsive */
@media (max-width: 1024px) {
  .gi-product-grid { grid-template-columns: repeat(2, 1fr); }
  .gi-footer__grid { grid-template-columns: 1fr 1fr; }
  .gi-nav { display: none; }
}
@media (max-width: 640px) {
  :root { --gi-margin: 16px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .gi-product-grid { grid-template-columns: 1fr; }
  .gi-cats { grid-template-columns: 1fr; }
  .gi-footer__grid { grid-template-columns: 1fr; }
  .gi-search { display: none; }
  .gi-hero__card { padding: 24px; }
}

/* Barrierefreiheit */
.gi-btn:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--gi-orange); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* Sprachumschalter (Topbar) */
.gi-topbar__lang { margin-left: auto; }
.gi-langswitch { display: inline-flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.gi-langswitch li a { color: inherit; opacity: .7; padding: 0 4px; text-decoration: none; font-size: 12px; }
.gi-langswitch li.is-active a { opacity: 1; font-weight: 700; text-decoration: underline; }