/* ================================================
   DD MARKET - Premium Dark Theme Stylesheet
   ================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg-primary: #08080e;
  --bg-secondary: #0f0f1a;
  --bg-card: #141425;
  --bg-card-hover: #1a1a35;
  --accent-purple: #7c3aed;
  --accent-purple-light: #a855f7;
  --accent-purple-dark: #5b21b6;
  --accent-gradient: linear-gradient(135deg, #7c3aed, #a855f7, #c084fc);
  --accent-gradient-hover: linear-gradient(135deg, #6d28d9, #9333ea, #a855f7);
  --text-primary: #ffffff;
  --text-secondary: #a1a1b5;
  --text-muted: #6b6b80;
  --border-color: #1e1e35;
  --border-glow: rgba(124, 58, 237, 0.3);
  --success-green: #22c55e;
  --price-old: #ef4444;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-max: 1200px;
  --navbar-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

input {
  font-family: inherit;
  outline: none;
  border: none;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-purple-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Announcement Banner ---------- */
.announcement-bar {
  background: linear-gradient(90deg, var(--accent-purple-dark), var(--accent-purple), var(--accent-purple-dark));
  padding: 10px 0;
  overflow: hidden;
  position: relative;
  z-index: 100;
}

.announcement-track {
  display: flex;
  animation: marquee 20s linear infinite;
  white-space: nowrap;
}

.announcement-track span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 40px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.announcement-track span .emoji {
  font-size: 1rem;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(8, 8, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  height: var(--navbar-height);
  transition: background var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.navbar-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: white;
  letter-spacing: -0.05em;
}

.navbar-logo .logo-text {
  background: linear-gradient(135deg, #fff 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width var(--transition-normal);
}

.navbar-links a:hover {
  color: var(--text-primary);
}

.navbar-links a:hover::after {
  width: 100%;
}

.navbar-links a.active {
  color: var(--text-primary);
}

.navbar-links a.active::after {
  width: 100%;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.navbar-actions .action-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-actions .action-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent-purple);
}

.navbar-actions .action-btn .badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  background: var(--accent-purple);
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font-size: 1.3rem;
  align-items: center;
  justify-content: center;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, rgba(124, 58, 237, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-purple-light);
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle 6s infinite ease-in-out;
}

.hero-particles .particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.hero-particles .particle:nth-child(2) { left: 25%; top: 60%; animation-delay: 1s; }
.hero-particles .particle:nth-child(3) { left: 45%; top: 30%; animation-delay: 2s; }
.hero-particles .particle:nth-child(4) { left: 65%; top: 70%; animation-delay: 0.5s; }
.hero-particles .particle:nth-child(5) { left: 80%; top: 40%; animation-delay: 1.5s; }
.hero-particles .particle:nth-child(6) { left: 90%; top: 15%; animation-delay: 3s; }
.hero-particles .particle:nth-child(7) { left: 15%; top: 80%; animation-delay: 2.5s; }
.hero-particles .particle:nth-child(8) { left: 55%; top: 85%; animation-delay: 4s; }

@keyframes floatParticle {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  50% { opacity: 0.6; transform: translateY(-30px) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-purple-light);
  margin-bottom: 32px;
  animation: fadeInDown 0.8s ease;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--success-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #c084fc, #7c3aed, #a855f7, #e879f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 300% 300%;
  animation: gradientShift 4s ease infinite;
}

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

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--accent-gradient);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition-normal);
  animation: fadeInUp 0.8s ease 0.6s both;
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient-hover);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
}

.hero-cta:hover::before {
  opacity: 1;
}

.hero-cta span {
  position: relative;
  z-index: 1;
}

.hero-cta svg {
  position: relative;
  z-index: 1;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 60px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Section Styles ---------- */
.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  margin-bottom: 48px;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ---------- Product Grid ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.products-grid-secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  group: true;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.product-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--bg-secondary);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(124, 58, 237, 0.1);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none; /* Let clicks pass through to the image */
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-card-overlay .overlay-btn {
  padding: 10px 24px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 100px;
  transform: translateY(10px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.product-card:hover .product-card-overlay .overlay-btn {
  transform: translateY(0);
  opacity: 1;
}

.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 2;
}

.product-card-badge.sale {
  background: var(--price-old);
  color: white;
}

.product-card-badge.free {
  background: var(--success-green);
  color: white;
}

.product-card-badge.new {
  background: var(--accent-purple);
  color: white;
}

.product-card-info {
  padding: 16px;
}

.product-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-pricing {
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-card-pricing .price-original {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.product-card-pricing .price-current {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-purple-light);
}

.product-card-pricing .price-free {
  font-size: 1rem;
  font-weight: 700;
  color: var(--success-green);
}

/* ---------- Free Packs CTA ---------- */
.free-packs-cta {
  padding: 60px 0;
  text-align: center;
  position: relative;
}

.free-packs-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.free-packs-cta::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.free-packs-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.free-packs-title .emoji {
  margin-left: 8px;
}

.free-packs-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 40px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition-normal);
}

.free-packs-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
}

/* ---------- YouTube Section ---------- */
.youtube-section {
  padding: 80px 0;
}

.youtube-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.youtube-header .section-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.visit-channel-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.visit-channel-btn:hover {
  border-color: var(--accent-purple);
  background: var(--bg-card-hover);
}

.youtube-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.youtube-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.youtube-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.youtube-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-secondary);
  overflow: hidden;
}

.youtube-card-thumb .play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.youtube-card:hover .play-overlay {
  opacity: 1;
}

.play-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  font-size: 1.2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.youtube-card-thumb .duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 8px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
}

.youtube-card-info {
  padding: 16px;
}

.youtube-card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.4;
}

.youtube-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---------- Newsletter ---------- */
.newsletter-section {
  padding: 80px 0;
  text-align: center;
  position: relative;
}

.newsletter-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.newsletter-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.newsletter-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.newsletter-form input::placeholder {
  color: var(--text-muted);
}

.newsletter-form input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.newsletter-form button {
  padding: 14px 28px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.newsletter-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.4);
}

/* ---------- Footer ---------- */
.footer {
  padding: 40px 0 24px;
  border-top: 1px solid var(--border-color);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: white;
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-powered {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Auth Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-normal);
  position: relative;
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  text-align: center;
}

.modal-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
}

.google-signin-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 24px;
  background: white;
  color: #333;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border: 1px solid #ddd;
}

.google-signin-btn:hover {
  background: #f5f5f5;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.google-signin-btn svg {
  width: 20px;
  height: 20px;
}

.modal-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
}

.modal-divider::before,
.modal-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.modal-divider span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.modal-form .form-group {
  margin-bottom: 16px;
}

.modal-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.modal-form input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.modal-form input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.modal-form .submit-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  transition: all var(--transition-normal);
}

.modal-form .submit-btn:hover {
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.4);
}

.modal-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.modal-footer a {
  color: var(--accent-purple-light);
  font-weight: 500;
}

.modal-footer a:hover {
  text-decoration: underline;
}

/* ---------- Cart Sidebar ---------- */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100%; /* Better for mobile browsers than 100vh */
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 201;
  transition: right var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.cart-sidebar.active {
  right: 0;
}

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.cart-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.cart-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.cart-close:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-muted);
}

.cart-empty .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.cart-empty p {
  font-size: 0.95rem;
}

.cart-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.cart-item-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-card);
}

.cart-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-details {
  flex: 1;
}

.cart-item-title {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.cart-item-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-purple-light);
}

.cart-item-remove {
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 4px;
  transition: color var(--transition-fast);
}

.cart-item-remove:hover {
  color: var(--price-old);
}

.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.cart-total-label {
  font-size: 1rem;
  font-weight: 600;
}

.cart-total-value {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-purple-light);
}

.cart-checkout-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.cart-checkout-btn:hover {
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.4);
}

/* ---------- Toast Notification ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 300;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
}

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

.toast.success {
  border-color: var(--success-green);
}

.toast.success::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--success-green);
  color: white;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.product-card-overlay {
  pointer-events: none;
}

.product-card-overlay .overlay-btn {
  background: var(--accent-gradient);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  box-shadow: 0 10px 25px rgba(124, 58, 237, 0.3);
  pointer-events: auto; /* Re-enable clicks just for the button */
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat .stat-value {
    font-size: 1.5rem;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .products-grid-secondary {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .youtube-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .youtube-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form input,
  .newsletter-form button {
    width: 100%;
  }

  .footer-top {
    flex-direction: column;
    gap: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cart-sidebar {
    width: 100%;
    right: -100%;
  }

  /* Mobile Navigation Overlay */
  .mobile-nav {
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 14, 0.97);
    backdrop-filter: blur(20px);
    z-index: 150;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .mobile-nav.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
  }

  .mobile-nav a:hover {
    color: var(--text-primary);
  }

  .mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .products-grid-secondary {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card-info {
    padding: 16px;
  }

  .product-card-title {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .modal {
    margin: 16px;
    padding: 24px;
  }
}

/* ---------- How It Works ---------- */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 16px;
}

.hiw-step {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.hiw-step:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.hiw-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 900;
  color: white;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.hiw-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hiw-step p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .how-it-works-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ---------- Loading Skeleton ---------- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}