feat(ui): Checkout mit Schrittanzeige und Lieferart-Karten

- Schrittanzeige "Deine Daten -> Bezahlen" mit Waben (rein anzeigend,
  gesteuert weiter ueber den bestehenden Zahlungszustand)
- Lieferart als Karten mit Symbol, Auswahl mit Waben-Haekchen, aria-pressed
- Bestelluebersicht abgehoben, Namen und Gesamtsumme in Serifenschrift
- Keine Aenderung an Bezahllogik oder Formularfeldern

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

src/app/checkout/checkout-form.tsx

@@ -303,6 +303,15 @@ export function CheckoutForm({
 
   return (
     <div className="py-16">
+      {/* Zwei Schritte, sichtbar gemacht: erst Daten, dann die eingebettete
+          Zahlung. Rein anzeigend — gesteuert wird weiter ueber "payment". */}
+      <Container className="mb-10">
+        <CheckoutSteps
+          current={payment ? 1 : 0}
+          labels={[t.checkoutPage.yourDetails, t.checkoutPage.stepPayment]}
+          ariaLabel={t.checkoutPage.stepsAriaLabel}
+        />
+      </Container>
       <Container className="grid lg:grid-cols-3 gap-14">
         {payment && stripePublishableKey ? (
           <div className="lg:col-span-3">
@@ -358,21 +367,52 @@ export function CheckoutForm({
 
           <div>
             <p className="text-sm text-ink/70 mb-3">{t.checkoutPage.fulfillmentLabel}</p>
-            <div className="flex gap-4">
+            <div className="grid gap-4 sm:grid-cols-2">
-              {(["VERSAND", "ABHOLUNG"] as const).map((option) => (
+              {(["VERSAND", "ABHOLUNG"] as const).map((option) => {
-                <button
+                const selected = fulfillment === option;
-                  type="button"
+                return (
-                  key={option}
+                  <button
-                  onClick={() => setFulfillment(option)}
+                    type="button"
-                  className={`flex-1 border px-4 py-3 text-sm text-left transition-colors ${
+                    key={option}
-                    fulfillment === option
+                    onClick={() => setFulfillment(option)}
-                      ? "border-forest bg-forest text-cream"
+                    aria-pressed={selected}
-                      : "border-ink/20 text-ink/70"
+                    className={`group relative flex items-center gap-4 border px-5 py-4 text-left transition-[border-color,background-color,box-shadow] duration-300 ${
-                  }`}
+                      selected
-                >
+                        ? "border-forest bg-forest/[0.04] text-forest shadow-[0_14px_30px_-22px_rgba(36,53,43,0.6)]"
-                  {option === "VERSAND" ? t.checkoutPage.shippingOption : t.checkoutPage.pickupOption}
+                        : "border-ink/15 text-ink/70 hover:border-forest/50"
-                </button>
+                    }`}
-              ))}
+                  >
+                    <span
+                      aria-hidden="true"
+                      className={`flex h-10 w-10 flex-shrink-0 items-center justify-center border transition-colors ${
+                        selected ? "border-forest bg-forest text-cream" : "border-ink/15 text-forest"
+                      }`}
+                    >
+                      {option === "VERSAND" ? (
+                        <svg viewBox="0 0 24 24" className="h-5 w-5" fill="none" stroke="currentColor" strokeWidth="1.5">
+                          <path d="M3 7h11v9H3zM14 10h4l3 3v3h-7z" strokeLinejoin="round" />
+                          <circle cx="7" cy="17.5" r="1.5" />
+                          <circle cx="17.5" cy="17.5" r="1.5" />
+                        </svg>
+                      ) : (
+                        <svg viewBox="0 0 24 24" className="h-5 w-5" fill="none" stroke="currentColor" strokeWidth="1.5">
+                          <path d="M4 11l8-6 8 6v9H4z" strokeLinejoin="round" />
+                          <path d="M10 20v-5h4v5" />
+                        </svg>
+                      )}
+                    </span>
+                    <span className="font-serif text-xl">
+                      {option === "VERSAND" ? t.checkoutPage.shippingOption : t.checkoutPage.pickupOption}
+                    </span>
+                    {selected ? (
+                      <svg viewBox="0 0 24 26" aria-hidden="true" className="absolute right-4 top-1/2 h-4 w-4 -translate-y-1/2 text-honey">
+                        <polygon points="12,1 22.4,7 22.4,19 12,25 1.6,19 1.6,7" fill="currentColor" />
+                        <path d="M8 13.2l2.8 2.8 5.2-5.6" stroke="var(--color-cream)" strokeWidth="2" fill="none" strokeLinecap="round" strokeLinejoin="round" />
+                      </svg>
+                    ) : null}
+                  </button>
+                );
+              })}
             </div>
             {fulfillment === "VERSAND" ? (
               <p className="mt-2 text-xs text-ink/70">
@@ -603,15 +643,16 @@ export function CheckoutForm({
           </p>
         </form>
 
-        <aside hidden={payment !== null} className="border border-ink/10 p-8 h-fit lg:sticky lg:top-24">
+        <aside hidden={payment !== null} className="border border-ink/10 bg-background p-8 h-fit lg:sticky lg:top-28 shadow-[0_24px_50px_-34px_rgba(36,53,43,0.45)]">
-          <h2 className="text-lg text-forest mb-6">{t.checkoutPage.yourOrderHeading}</h2>
+          <h2 className="text-2xl text-forest mb-6">{t.checkoutPage.yourOrderHeading}</h2>
           <ul className="space-y-3 text-sm">
             {items.map((item) => (
-              <li key={item.productId} className="flex justify-between">
+              <li key={item.productId} className="flex items-baseline justify-between gap-4">
                 <span>
-                  {item.quantity} × {item.name}
+                  <span className="text-ink/55 tabular-nums">{item.quantity} ×</span>{" "}
+                  <span className="font-serif text-lg text-forest">{item.name}</span>
                 </span>
-                <span>{formatPrice(item.priceCents * item.quantity, "EUR", locale)}</span>
+                <span className="tabular-nums">{formatPrice(item.priceCents * item.quantity, "EUR", locale)}</span>
               </li>
             ))}
           </ul>
@@ -637,9 +678,9 @@ export function CheckoutForm({
               </div>
             ) : null}
           </div>
-          <div className="mt-3 pt-3 border-t border-ink/10 flex justify-between text-base text-forest">
+          <div className="mt-4 pt-4 border-t border-ink/10 flex items-baseline justify-between text-forest">
-            <span>{t.cartPage.total}</span>
+            <span className="text-base">{t.cartPage.total}</span>
-            <span>{formatPrice(total, "EUR", locale)}</span>
+            <span className="font-serif text-3xl tabular-nums">{formatPrice(total, "EUR", locale)}</span>
           </div>
           <TrustBadges className="mt-6 pt-6 border-t border-ink/10" />
         </aside>
@@ -685,3 +726,52 @@ function Field({
     </label>
   );
 }
+
+/** Schrittanzeige mit Waben: erledigt = gefuellt, aktuell = Honig mit Puls. */
+function CheckoutSteps({ current, labels, ariaLabel }: { current: number; labels: string[]; ariaLabel: string }) {
+  return (
+    <ol aria-label={ariaLabel} className="flex items-center gap-3 text-sm">
+      {labels.map((label, i) => {
+        const done = i < current;
+        const active = i === current;
+        return (
+          <li key={label} className="flex items-center gap-3" aria-current={active ? "step" : undefined}>
+            <span className="flex items-center gap-2.5">
+              <svg
+                viewBox="0 0 24 26"
+                aria-hidden="true"
+                className={`h-6 w-6 rounded-full ${active ? "motion-pulse animate-[wh-pulse_2.2s_ease-out_infinite]" : ""}`}
+              >
+                <polygon
+                  points="12,1 22.4,7 22.4,19 12,25 1.6,19 1.6,7"
+                  fill={done ? "var(--color-forest)" : active ? "var(--color-honey)" : "var(--color-background)"}
+                  stroke={done ? "var(--color-forest)" : active ? "var(--color-honey-dark)" : "color-mix(in oklab, var(--color-ink) 25%, transparent)"}
+                  strokeWidth="1.5"
+                />
+                {done ? (
+                  <path d="M8 13.2l2.8 2.8 5.2-5.6" stroke="var(--color-cream)" strokeWidth="2" fill="none" strokeLinecap="round" strokeLinejoin="round" />
+                ) : (
+                  <text x="12" y="16.5" textAnchor="middle" fontSize="10" fill={active ? "var(--color-cream)" : "var(--color-ink)"}>
+                    {i + 1}
+                  </text>
+                )}
+              </svg>
+              <span className={`tracking-wide-caps text-xs ${active ? "text-forest" : done ? "text-forest/70" : "text-ink/50"}`}>
+                {label}
+              </span>
+            </span>
+            {i < labels.length - 1 ? (
+              <span aria-hidden="true" className="relative h-[2px] w-12 overflow-hidden rounded-full bg-ink/10 sm:w-20">
+                <span
+                  className={`absolute inset-0 origin-left bg-honey transition-transform duration-700 ease-[var(--ease-arrive)] ${
+                    done ? "scale-x-100" : "scale-x-0"
+                  }`}
+                />
+              </span>
+            ) : null}
+          </li>
+        );
+      })}
+    </ol>
+  );
+}

src/i18n/dictionaries/de.ts

@@ -1453,6 +1453,8 @@ export const de: Dictionary = {
     eyebrow: "Checkout",
     emptyCart: "Dein Warenkorb ist leer",
     yourDetails: "Deine Daten",
+    stepPayment: "Bezahlen",
+    stepsAriaLabel: "Schritte der Bestellung",
     firstName: "Vorname",
     lastName: "Nachname",
     email: "E-Mail",

src/i18n/dictionaries/en.ts

@@ -1439,6 +1439,8 @@ export const en: Dictionary = {
     eyebrow: "Checkout",
     emptyCart: "Your cart is empty",
     yourDetails: "Your Details",
+    stepPayment: "Payment",
+    stepsAriaLabel: "Checkout steps",
     firstName: "First name",
     lastName: "Last name",
     email: "Email",

src/i18n/dictionary-type.ts

@@ -1102,6 +1102,8 @@ export interface Dictionary {
     eyebrow: string;
     emptyCart: string;
     yourDetails: string;
+    stepPayment: string;
+    stepsAriaLabel: string;
     firstName: string;
     lastName: string;
     email: string;