@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* Color Variables */
:root {
  --bg-primary: #060913;       /* Deep Dark Space/Slate Blue */
  --bg-secondary: #0c1223;     /* Brushed Navy Card BG */
  --bg-tertiary: #131b32;      /* Lighter Slate-Blue highlights */
  
  --accent-cyan: #00E5FF;      /* Luminous Neon Cyan / Ice Blue */
  --accent-cyan-hover: #00B4D8;
  --accent-steel: #E2E8F0;     /* Metallic Silver */
  --accent-steel-hover: #CBD5E1;
  --accent-red: #EF4444;       /* Alert Crimson */
  --accent-red-hover: #DC2626;
  
  --text-main: #F8FAFF;
  --text-muted: #8A99AD;
  --text-dark: #060913;
  
  --border-color: #1b243e;
  --border-focus: #00E5FF;
  
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 24px;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  --shadow-cyan-glow: 0 0 30px rgba(0, 229, 255, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-muted);
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-cyan { color: var(--accent-cyan); }
.text-steel { color: var(--accent-steel); }
.text-muted { color: var(--text-muted); }

/* Header Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(6, 9, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  transition: var(--transition-smooth);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--accent-cyan);
}

.lang-switch-btn {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-smooth);
  margin-right: 15px;
}

.lang-switch-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-tertiary);
}

.nav-cta-btn {
  background: linear-gradient(135deg, var(--accent-cyan), #00B4D8);
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 100px;
  box-shadow: var(--shadow-cyan-glow);
  transition: var(--transition-smooth);
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 229, 255, 0.3);
}

/* Layout Grid */
.layout-section {
  padding: 60px 0 100px;
}

.watch-layout-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: start;
}

/* Sticky Left Column */
.watch-visual-sticky {
  position: sticky;
  top: 100px;
  height: calc(100vh - 140px);
  min-height: 550px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.showcase-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.showcase-wrapper::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.main-showcase {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.main-showcase img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  transition: transform 0.5s ease;
}

.showcase-wrapper:hover .main-showcase img {
  transform: scale(1.03);
}

/* Vibe Switcher Thumbnails */
.vibe-switcher {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 1.5rem;
  width: 100%;
}

.vibe-thumb {
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--border-color);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
  opacity: 0.6;
}

.vibe-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vibe-thumb:hover {
  opacity: 0.9;
  border-color: var(--accent-steel);
}

.vibe-thumb.active {
  opacity: 1;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
}

.vibe-label {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-family: var(--font-sans);
  margin-top: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

/* Scrolling Right Column */
.details-scrolling {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* Product Info */
.product-info-block {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.5rem;
}

.product-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.product-subtitle {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Price block */
.price-tag {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 2rem;
}

.price-sale {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main);
  font-family: 'Playfair Display', serif;
}

.price-regular {
  font-size: 1.3rem;
  text-decoration: line-through;
  color: var(--text-muted);
}

.price-discount {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
  padding: 4px 10px;
  font-size: 0.85rem;
  border-radius: 6px;
  font-weight: 600;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 16px 30px;
  background: linear-gradient(135deg, var(--accent-cyan), #00B4D8);
  color: var(--text-dark);
  border: none;
  border-radius: 100px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-cyan-glow);
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 16px 30px;
  background: transparent;
  border: 1.5px solid var(--border-color);
  color: var(--text-main);
  border-radius: 100px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-steel);
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 2.5rem;
}

/* Bullet Features */
.bullet-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.bullet-icon {
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Feature Cards Grid */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 2rem;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}

/* Spec Table styling */
.specs-block h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 12px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}

.specs-label {
  color: var(--text-muted);
  font-weight: 500;
}

.specs-value {
  color: var(--text-main);
  font-weight: 600;
}

/* Form Styling */
.checkout-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.checkout-card.focus-glow {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: var(--shadow-cyan-glow);
}

.checkout-card h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.checkout-card .subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-steel);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 14px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.15);
}

/* Swatches Grid */
.swatch-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.swatch-item {
  position: relative;
}

.swatch-item input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.swatch-label {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
}

.swatch-item input:checked + .swatch-label {
  border-color: var(--accent-cyan);
  background-color: rgba(0, 229, 255, 0.05);
  color: var(--accent-cyan);
}

/* Quantity selector */
.qty-selector {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.qty-btn {
  background: transparent;
  border: none;
  color: var(--text-main);
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.qty-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent-cyan);
}

.qty-input {
  width: 50px;
  height: 44px;
  border: none;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-main);
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
}

/* Shipping Option list */
.shipping-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.shipping-option {
  position: relative;
}

.shipping-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.shipping-option-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.shipping-option input:checked + .shipping-option-label {
  border-color: var(--accent-cyan);
  background-color: rgba(0, 229, 255, 0.03);
}

.shipping-option-label .radio-bullet {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.shipping-option-label .radio-bullet::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: inline-block;
  transition: var(--transition-smooth);
}

.shipping-option input:checked + .shipping-option-label .radio-bullet::before {
  border-color: var(--accent-cyan);
  background-color: var(--accent-cyan);
  box-shadow: inset 0 0 0 3px var(--bg-primary);
}

.shipping-price {
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Invoice Summary Table */
.invoice-summary {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
}

.invoice-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.invoice-row:last-child {
  margin-bottom: 0;
}

.invoice-row.total-row {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dashed var(--border-color);
  font-size: 1.25rem;
  font-weight: 800;
}

.invoice-row.total-row .val {
  color: var(--accent-cyan);
}

/* Form Fallback validations */
.user-invalid-fallback {
  border-color: var(--accent-red) !important;
  background-color: rgba(239, 68, 68, 0.02) !important;
}

.user-valid-fallback {
  border-color: var(--accent-steel) !important;
}

.validation-error-msg {
  color: var(--accent-red);
  font-size: 0.8rem;
  margin-top: 5px;
  font-weight: 500;
  display: none;
}

/* FAQ Accordion */
.faq-block h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 12px;
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  padding: 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--accent-cyan);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: rgba(255,255,255,0.01);
}

.faq-content p {
  padding: 0 20px 20px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active {
  border-color: var(--accent-cyan);
}

.faq-item.active .faq-content {
  max-height: 200px;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

/* Customer Reviews */
.reviews-block h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 12px;
}

.review-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
}

.review-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.review-author {
  font-weight: 600;
  color: var(--text-main);
}

.review-stars {
  color: #FBBF24;
  font-size: 0.9rem;
}

.review-text {
  font-size: 0.9rem;
  font-style: italic;
}

/* Footer Section */
footer {
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  text-align: center;
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-logo span {
  color: var(--accent-cyan);
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 1.5rem 0;
}

.footer-socials a {
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: var(--transition-smooth);
}

.footer-socials a:hover {
  color: var(--accent-cyan);
}

/* Responsive Queries */
@media (max-width: 991px) {
  .watch-layout-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .watch-visual-sticky {
    position: relative;
    top: 0;
    height: auto;
    min-height: auto;
  }

  .showcase-wrapper {
    padding: 1.5rem;
  }

  .main-showcase {
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .product-title {
    font-size: 2rem;
  }

  .checkout-card {
    padding: 1.5rem;
  }

  .vibe-thumb {
    width: 55px;
    height: 55px;
  }

  .site-header .container {
    flex-direction: column;
    gap: 12px;
  }

  .site-header {
    padding: 12px 0;
  }
}