/* Modern Styles - Heart Font Premium Design */
@import url('modern-ui-system.css');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* Header Premium Design */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: all var(--transition-spring);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-img {
  width: 45px;
  height: 45px;
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px rgba(220, 20, 60, 0.3);
  transition: all var(--transition-base);
}

.logo:hover .logo-img {
  box-shadow: 0 0 30px rgba(220, 20, 60, 0.5);
  transform: rotate(-5deg);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-red), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-red), var(--gold));
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-menu a:hover {
  color: var(--white);
  background: rgba(220, 20, 60, 0.1);
}

.nav-menu a:hover::before {
  width: 80%;
}

/* Hero Section Premium */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(220, 20, 60, 0.1) 0%, transparent 70%);
  /* animation: rotate 30s linear infinite; Removed rotation animation */
}

/* Removed rotation animation
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
*/

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.7);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-red), var(--wine-red));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(220, 20, 60, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(220, 20, 60, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-red);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(220, 20, 60, 0.3);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

/* Heart Collection Section */
.heart-collection {
  padding: 5rem 0;
  position: relative;
  background: linear-gradient(180deg, #1A1A1A 0%, #0A0A0A 100%);
}

.heart-collection h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-red), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.collection-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.stat-item:hover {
  background: rgba(220, 20, 60, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(220, 20, 60, 0.2);
}

.stat-item strong {
  color: var(--gold);
  font-weight: 700;
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 3rem 0 1.5rem;
  padding-left: 1rem;
  position: relative;
  color: var(--white);
}

.category-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: linear-gradient(180deg, var(--primary-red), var(--gold));
  border-radius: 2px;
}

/* Heart Grid */
.heart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.heart-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.heart-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(220, 20, 60, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.heart-card:hover {
  transform: translateY(-8px) scale(1.05);
  background: rgba(220, 20, 60, 0.05);
  border-color: rgba(220, 20, 60, 0.3);
  box-shadow: 0 15px 40px rgba(220, 20, 60, 0.2);
}

.heart-card:hover::before {
  opacity: 1;
}

.heart-card:active {
  transform: translateY(-4px) scale(1.02);
}

.heart-symbol {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  transition: all var(--transition-base);
}

.heart-card:hover .heart-symbol {
  transform: scale(1.2);
  filter: drop-shadow(0 4px 8px rgba(220, 20, 60, 0.4));
}

.heart-name {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  transition: color var(--transition-base);
}

.heart-card:hover .heart-name {
  color: var(--white);
}

.heart-card-wide {
  grid-column: span 2;
}

/* Toast Notification */
#toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--dark-gray), var(--black));
  color: var(--white);
  border-radius: var(--radius-full);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-spring);
  z-index: 2000;
  border: 1px solid rgba(220, 20, 60, 0.3);
  backdrop-filter: blur(10px);
}

#toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

#toast::before {
  content: '✓';
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--gold);
  font-weight: bold;
}

/* Footer */
footer {
  background: linear-gradient(180deg, #0A0A0A 0%, #000000 100%);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 5rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.footer-content p {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-spring);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
  background: linear-gradient(135deg, var(--primary-red), var(--wine-red));
  color: var(--white);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 30px rgba(220, 20, 60, 0.4);
  border-color: transparent;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .heart-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
  }
  
  .heart-symbol {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}