:root {
  --bg-color: #0f172a;
  --surface-color: rgba(30, 41, 59, 0.7);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent: #10b981;
  --accent-hover: #059669;
  --border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  /* subtle gradient background */
  background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 100%);
}

.vcard-container {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Header & Profile */
.profile-header {
  text-align: center;
  margin-bottom: 0.5rem;
}

@keyframes gradientAnimation {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.profile-img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--surface-color);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5), 0 0 20px rgba(16, 185, 129, 0.2);
  margin-bottom: 1rem;
  background: linear-gradient(45deg, #10b981, #0f172a, #3b82f6, #10b981);
  background-size: 300% 300%;
  animation: gradientAnimation 6s ease infinite;
}

.profile-name {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.profile-title {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Stats Row */
.stats-row {
  display: flex;
  justify-content: space-between;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.2rem;
  text-align: center;
}

.stat-item {
  flex: 1;
}

.stat-item:not(:last-child) {
  border-right: 1px solid var(--border);
}

.stat-value {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.3rem;
}

/* Primary Actions */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:active {
  background: rgba(255,255,255,0.1);
  transform: scale(0.98);
}

.grid-2-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Bio Text */
.bio-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
}
.bio-section p {
  margin-bottom: 1rem;
}
.bio-section p:last-child {
  margin-bottom: 0;
}

/* Products */
.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  text-align: center;
}

.products-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-card {
  display: flex;
  align-items: center;
  background: var(--surface-color);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.product-card:active {
  transform: scale(0.98);
  border-color: var(--accent);
}

.product-icon {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  margin-right: 15px;
  background: #fff;
}

.product-info {
  flex: 1;
}

.product-name {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 2px;
}

.product-price {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

.product-arrow {
  color: var(--text-secondary);
}

/* Social Links */
.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 1rem;
}

.social-icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-icon:active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(0.95);
}

/* Footer */
.footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2rem;
  padding-bottom: 1rem;
}