@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Color System */
  --bg-primary: #080c14;
  --bg-secondary: #0e1422;
  --bg-card: rgba(14, 20, 34, 0.75);
  --bg-card-hover: rgba(20, 30, 50, 0.9);
  
  --color-cyan: #00f2fe;
  --color-blue: #0076ff;
  --color-purple: #7f00ff;
  --color-gold: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
  --color-gold-text: #f0c368;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-blue) 50%, var(--color-purple) 100%);
  --gradient-card-bg: linear-gradient(145deg, #0a0f1d 0%, #070a14 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(0, 242, 254, 0.12) 0%, rgba(127, 0, 255, 0.04) 50%, transparent 100%);

  /* Typography */
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'Space Grotesk', sans-serif;

  /* Shadows & Borders */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.25);
  --card-shadow: 0 15px 45px rgba(0, 0, 0, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --card-width: 630px;
  --card-height: 360px;
  --transition-normal: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

/* --- Base & Reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(127, 0, 255, 0.04) 0%, transparent 45%);
  background-size: 100% 100%;
  color: #e2e8f0;
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Background Glowing Nodes & Grid --- */
.hex-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.45;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='138.56' viewBox='0 0 80 138.56'%3E%3Cpath d='M40 0 L80 23.09 L80 69.28 L40 92.37 L0 69.28 L0 23.09 Z M0 92.37 L40 115.46 L40 138.56 L0 138.56 Z M80 92.37 L40 115.46 L40 138.56 L80 138.56 Z' fill='none' stroke='%2300f2fe' stroke-width='0.5' stroke-opacity='0.08'/%3E%3C/svg%3E");
}

.bg-glow-spot {
  position: absolute;
  width: 500px;
  height: 500px;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(50px);
}

/* --- Container Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

/* --- Header / Navigation --- */
header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(8, 12, 20, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: #fff;
  text-decoration: none;
}

.logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #94a3b8;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-normal);
}

.back-btn:hover {
  color: var(--color-cyan);
}

/* --- 3D Flip Card Scene --- */
.card-scene {
  perspective: 2000px;
  width: var(--card-width);
  height: var(--card-height);
  cursor: pointer;
  z-index: 10;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--card-shadow);
  border-radius: 20px;
}

.card-scene:hover .card-inner:not(.flipped) {
  transform: translateY(-5px) rotateY(-8deg) rotateX(4deg);
}

.card-scene:hover .card-inner.flipped {
  transform: translateY(-5px) rotateY(188deg) rotateX(4deg);
}

.card-inner.flipped {
  transform: rotateY(180deg);
}

/* --- Card Sides (Front & Back) --- */
.card-front, .card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background-image: 
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='103.92' viewBox='0 0 60 103.92'%3E%3Cpath d='M30 0 L60 17.32 L60 51.96 L30 69.28 L0 51.96 L0 17.32 Z M0 69.28 L30 86.6 L30 103.92 L0 103.92 Z M60 69.28 L30 86.6 L30 103.92 L60 103.92 Z' fill='none' stroke='%2300f2fe' stroke-width='0.5' stroke-opacity='0.12'/%3E%3C/svg%3E"),
    linear-gradient(145deg, #0a0f1d 0%, #070a14 100%);
  background-size: 60px 103.92px, 100% 100%;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

/* Front card specific glow outline */
.card-front::after, .card-back::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 20px;
  pointer-events: none;
  background: radial-gradient(circle at 100% 100%, rgba(0, 242, 254, 0.05) 0%, transparent 60%);
  border: 1px solid transparent;
  transition: border-color 0.4s;
}

.card-scene:hover .card-front::after {
  border-color: rgba(0, 242, 254, 0.15);
}

.card-back {
  transform: rotateY(180deg);
}

/* --- Front Card Design Layout --- */
.card-front-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 0.5rem;
}

.card-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.2rem;
  filter: drop-shadow(0 0 15px rgba(0, 242, 254, 0.4));
}

.card-logo svg {
  width: 90px;
  height: 90px;
}

.card-brand-title {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-cyan);
  letter-spacing: 0.12em;
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.25);
  margin-left: 0.12em; /* align centered due to letter-spacing */
}

.card-brand-subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: #cbd5e1;
  text-transform: uppercase;
  margin-bottom: 2rem;
  font-weight: 500;
}

.card-services {
  display: flex;
  justify-content: space-around;
  width: 100%;
  gap: 1rem;
}

.card-service-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 30%;
  text-align: center;
}

.service-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  color: #0c1220;
  transition: transform var(--transition-normal);
}

.card-service-item:hover .service-icon-circle {
  transform: translateY(-3px) scale(1.05);
}

.service-icon-circle svg {
  width: 24px;
  height: 24px;
}

.service-icon-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #cbd5e1;
  text-transform: uppercase;
  line-height: 1.3;
}

/* --- Back Card Design Layout --- */
.card-back {
  padding: 2.5rem;
}

.card-back-header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.card-back-title {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #f0c368;
  letter-spacing: 0.05em;
}

.card-back-subtitle {
  font-size: 0.85rem;
  color: #94a3b8;
  letter-spacing: 0.02em;
}

.card-back-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
}

.card-personal-info {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.personal-name {
  font-size: 1.35rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}

.personal-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.contact-row svg {
  width: 16px;
  height: 16px;
  color: var(--color-cyan);
}

/* Decorative elements on card back */
.card-back-circuit {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 120px;
  height: 120px;
  opacity: 0.18;
  pointer-events: none;
}

.card-back-hud {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 140px;
  height: 140px;
  opacity: 0.12;
  pointer-events: none;
  animation: rotate-hud 25s linear infinite;
}

@keyframes rotate-hud {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* --- Floating Info Label --- */
.flip-hint {
  font-size: 0.85rem;
  color: #64748b;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  animation: pulse-border 2s infinite alternate;
  user-select: none;
}

@keyframes pulse-border {
  0% { border-color: rgba(255, 255, 255, 0.08); box-shadow: 0 0 0px transparent; }
  100% { border-color: rgba(0, 242, 254, 0.25); box-shadow: 0 0 10px rgba(0, 242, 254, 0.05); }
}

/* --- Action Controls --- */
.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 500px;
}

.action-btn {
  background: rgba(14, 20, 34, 0.6);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.action-btn:hover {
  background: rgba(20, 30, 50, 0.85);
  border-color: var(--color-cyan);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 242, 254, 0.05);
}

.action-btn.primary {
  background: var(--gradient-primary);
  color: #080c14;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0, 118, 255, 0.2);
}

.action-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.35);
  color: #000;
}

.action-btn.full-width {
  grid-column: span 2;
}

/* --- Exporter Controls Panel --- */
.exporter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  width: 100%;
  max-width: 750px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.exporter-title {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.8rem;
}

.exporter-title svg {
  color: var(--color-cyan);
  width: 22px;
  height: 22px;
}

.exporter-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.exporter-preview-container {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.export-canvas-preview {
  width: 100%;
  aspect-ratio: 1200 / 630;
  background-color: #05080f;
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.canvas-loading {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(8, 12, 20, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 5;
}

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid rgba(0, 242, 254, 0.1);
  border-top-color: var(--color-cyan);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.export-canvas-preview canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.exporter-options {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.option-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.option-select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-normal);
}

.option-select:focus {
  border-color: var(--color-cyan);
}

.option-select option {
  background: var(--bg-secondary);
  color: #fff;
}

.export-download-btn {
  background: var(--gradient-primary);
  color: #080c14;
  font-weight: 700;
  padding: 0.9rem 1.5rem;
  border-radius: 10px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-top: auto;
  box-shadow: 0 4px 15px rgba(0, 118, 255, 0.2);
}

.export-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
  color: #000;
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: 2rem;
  background: rgba(8, 12, 20, 0.9);
  border: 1px solid var(--color-cyan);
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  font-weight: 500;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- Footer --- */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: #64748b;
  background: rgba(8, 12, 20, 0.4);
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
  :root {
    --card-width: 90vw;
    --card-height: calc(90vw * 4 / 7);
  }
  
  .card-front, .card-back {
    padding: 1rem;
  }
  
  .card-brand-title {
    font-size: 1.4rem;
  }
  
  .card-brand-subtitle {
    font-size: 0.55rem;
    margin-bottom: 0.8rem;
  }
  
  .card-logo svg {
    width: 50px;
    height: 50px;
  }
  
  .service-icon-circle {
    width: 32px;
    height: 32px;
  }
  
  .service-icon-circle svg {
    width: 16px;
    height: 16px;
  }
  
  .service-icon-label {
    font-size: 0.45rem;
  }
  
  .card-back {
    padding: 1.2rem;
  }
  
  .card-back-title {
    font-size: 0.9rem;
  }
  
  .card-back-subtitle {
    font-size: 0.65rem;
  }
  
  .personal-name {
    font-size: 0.95rem;
  }
  
  .contact-row {
    font-size: 0.65rem;
    gap: 0.4rem;
  }
  
  .contact-row svg {
    width: 12px;
    height: 12px;
  }
  
  .action-grid {
    grid-template-columns: 1fr;
  }
  
  .action-btn.full-width {
    grid-column: span 1;
  }
  
  .exporter-body {
    grid-template-columns: 1fr;
  }
  
  .export-download-btn {
    margin-top: 1rem;
  }
}

/* --- QR Code & Artwork Overlay Styles --- */
.card-qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  background: rgba(8, 12, 20, 0.65);
  border: 1px solid var(--border-glow);
  padding: 0.5rem;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  z-index: 10;
  margin-bottom: -0.2rem;
}

.card-qr-container:hover {
  transform: scale(1.06);
  border-color: var(--color-cyan);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.25);
}

.qr-code-img {
  width: 80px;
  height: 80px;
  border-radius: 6px;
  background: #0a0f1d;
  display: block;
}

.qr-label {
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  text-transform: uppercase;
  line-height: 1;
}

/* Artwork overrides */
.card-front.use-artwork {
  background-image: var(--art-bg-front, url('card_front.png')) !important;
  background-size: cover !important;
  background-position: center !important;
}

.card-back.use-artwork {
  background-image: var(--art-bg-back, url('card_back.png')) !important;
  background-size: cover !important;
  background-position: center !important;
}

.card-front.use-artwork .card-front-content,
.card-front.use-artwork .card-services {
  display: none !important;
}

.card-back.use-artwork .card-back-hud,
.card-back.use-artwork .card-back-circuit,
.card-back.use-artwork .card-back-header,
.card-back.use-artwork .card-personal-info {
  display: none !important;
}

.card-back.use-artwork .card-back-footer {
  justify-content: flex-end;
  height: 100%;
}

@media (max-width: 768px) {
  .card-qr-container {
    padding: 0.3rem;
    border-radius: 8px;
  }
  .qr-code-img {
    width: 50px;
    height: 50px;
  }
  .qr-label {
    font-size: 0.4rem;
  }
}