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

/* ==========================================================================
   1. Typografie & Variablen
   ========================================================================== */
:root {
  --bg-primary: #fafaf9;
  --text-main: #1c1917;
  --text-muted: #78716c;
  --accent: #ea580c;
  --accent-hover: #c2410c;
  --border-color: #e7e5e4;
  --card-bg: rgba(255, 255, 255, 0.85);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-emphasis: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-normal: 280ms;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  margin: 0;
  -webkit-tap-highlight-color: transparent; /* Entfernt grauen Kasten bei Mobile-Tap */
}

.font-signature {
  font-family: 'Alex Brush', cursive, sans-serif;
}

/* ==========================================================================
   2. Globale Übergänge & Buttons
   ========================================================================== */
a, button {
  transition:
    color var(--dur-fast) var(--ease-standard),
    background-color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard),
    box-shadow var(--dur-normal) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard),
    opacity var(--dur-fast) var(--ease-standard);
}

/* Sanftes Klick-Feedback für Mobile & Laptop */
a:active, button:active {
  transform: scale(0.97);
}

.btn-primary {
  display: inline-block;
  background-color: var(--text-main);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
  touch-action: manipulation;
}

.btn-primary:hover {
  background-color: var(--accent);
}

.btn-primary:active {
  transform: scale(0.96);
}

/* ==========================================================================
   3. Wiederverwendbare Formulare & Inputs
   ========================================================================== */

/* Sanfte Übergänge für alle UI-Elemente */
input, textarea, button, .transition-all {
  transition-property: border-color, background-color, color, box-shadow, transform, opacity;
  transition-timing-function: var(--ease-standard);
  transition-duration: var(--dur-normal);
}

/* ==========================================================================
   4. Kunst-Akzente & Verläufe
   ========================================================================== */
.bg-gradient-art {
  background: linear-gradient(135deg, #d95328 0%, #ea580c 50%, #f97316 100%);
}

.text-gradient-art {
  background: linear-gradient(135deg, #c2410c 0%, #ea580c 50%, #f97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-link-accent {
  position: relative;
}

.nav-link-accent::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #ea580c, #fdba74);
  border-radius: 2px;
  transition: width 0.3s ease-in-out;
}

.nav-link-accent:hover::after,
.nav-link-accent.active::after {
  width: 100%;
}

/* Subtiles Styling für Werk-Abmessungen */
.art-dimensions {
  font-size: 0.6875rem;
  color: #a8a29e;
  font-weight: 300;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   5. Dynamischer Kunst-Hintergrund (Blobs)
   ========================================================================== */
.art-bg-container {
  position: fixed;
  inset: 0;
  z-index: -10;
  overflow: hidden;
  pointer-events: none;
  background-color: var(--bg-primary);
}

.art-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.18;
  will-change: transform;
  animation: float-art 20s ease-in-out infinite alternate;
}

.art-blob-1 {
  top: -12%;
  left: -10%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, #ea580c 0%, #f97316 60%, transparent 100%);
}

.art-blob-2 {
  bottom: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, #d95328 0%, #fdba74 70%, transparent 100%);
  animation-delay: -10s;
}

.art-blob-3 {
  top: 45%;
  left: 25%;
  width: 35vw;
  height: 35vw;
  background: radial-gradient(circle, #fed7aa 0%, #ffedd5 100%);
  opacity: 0.12;
  animation-duration: 25s;
}

@keyframes float-art {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(25px, 35px) scale(1.05); }
  100% { transform: translate(-20px, 15px) scale(0.98); }
}

@media (prefers-reduced-motion: reduce) {
  .art-blob {
    animation: none;
  }
}

/* ==========================================================================
   6. Shop & Karten Grid
   ========================================================================== */
.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.store-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-normal) var(--ease-emphasis), box-shadow var(--dur-normal) var(--ease-standard);
}

.store-card img {
  width: 100%;
  aspect-ratio: 3 / 4; /* Reserviert Platz vor dem Laden (verhindert CLS) */
  object-fit: cover;
  transition: transform 450ms var(--ease-emphasis);
}

.badge-sold {
  background-color: rgba(28, 25, 23, 0.85);
  backdrop-filter: blur(4px);
}

.group img, 
.group {
  backface-visibility: hidden;
}

/* ==========================================================================
   7. Lightbox Vollbild-Ansicht
   ========================================================================== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
  overscroll-behavior: contain;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

body.lightbox-open {
  overflow: hidden;
}

.js-lightbox-trigger {
  cursor: zoom-in;
}

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
}

.lightbox-overlay.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  color: #ffffff;
  font-size: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--dur-fast) var(--ease-standard);
  min-width: 44px;
  min-height: 44px;
  touch-action: manipulation;
}

.lightbox-close:hover {
  opacity: 1;
}

/* Globale Validierungs-Stylings */
.is-invalid {
  border-color: #ef4444 !important;
}

.is-valid {
  border-color: #10b981 !important;
}

input.is-invalid,
textarea.is-invalid {
  background-color: #fef2f2 !important;
}

input.is-valid,
textarea.is-valid {
  background-color: rgba(16, 185, 129, 0.02);
}

/* Flüssige Animationen */
.fade-in,
.animate-fade-in {
  animation: fadeIn 0.4s var(--ease-emphasis) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   8. Datenschutz / Privacy Banner & Utilities
   ========================================================================== */
#privacy-box {
  will-change: transform, opacity;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease-out;
}

.backdrop-blur-md {
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .backdrop-blur-md,
  .privacy-art-bg,
  .lightbox-overlay {
    background-color: rgba(250, 250, 249, 0.95);
  }

  .lightbox-overlay {
    background-color: rgba(0, 0, 0, 0.92);
  }
}

.privacy-art-bg {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(234, 88, 12, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 90% 85%, rgba(217, 83, 40, 0.20) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(253, 186, 116, 0.25) 0%, transparent 65%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.privacy-art-bg p {
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* Custom Scrollbar & Basis-Optimierungen */
html {
  -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
  .art-glow:hover {
    box-shadow: 0 4px 20px -2px rgba(234, 88, 12, 0.25);
  }

  .store-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  }

  .store-card:hover img {
    transform: scale(1.03);
  }
}

/* Reduzierte Animationen für Geräte mit aktiviertem Energiesparmodus / Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Perfekt gerenderte Bilder auf Retina/High-DPI Displays */
.gallery-item img {
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Subtile Scrollbar-Anpassung für den Modal-Inhalt */
#art-modal ::-webkit-scrollbar {
  width: 4px;
}
#art-modal ::-webkit-scrollbar-thumb {
  background: rgba(120, 113, 108, 0.3);
  border-radius: 9999px;
}