/* ============================================
   Bitcoin Brute-Force Store - Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* CSS Custom Properties */
:root {
  /* Colors - Dark Theme with Bitcoin Orange/Purple */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(20, 20, 35, 0.7);
  --bg-card-hover: rgba(30, 30, 50, 0.85);

  --accent-orange: #f7931a;
  --accent-orange-glow: rgba(247, 147, 26, 0.4);
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.4);
  --accent-cyan: #06b6d4;

  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  --border-color: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(247, 147, 26, 0.3);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1025 50%, #0f0a15 100%);
  --gradient-card: linear-gradient(145deg, rgba(247, 147, 26, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  --gradient-button: linear-gradient(135deg, #f7931a 0%, #e8820f 50%, #f7931a 100%);
  --gradient-button-hover: linear-gradient(135deg, #ffaa33 0%, #f7931a 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Orbitron', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
  --shadow-card-hover: 0 20px 60px rgba(247, 147, 26, 0.15), 0 0 0 1px rgba(247, 147, 26, 0.2);
  --shadow-button: 0 4px 20px rgba(247, 147, 26, 0.4);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--gradient-hero);
  overflow: hidden;
}

.bg-animation::before {
  content: '';
  position: absolute;
  width: 150%;
  height: 150%;
  top: -25%;
  left: -25%;
  background:
    radial-gradient(ellipse at 20% 30%, var(--accent-purple-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, var(--accent-orange-glow) 0%, transparent 50%);
  animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  25% {
    transform: translate(2%, 2%) rotate(1deg);
  }

  50% {
    transform: translate(-1%, 3%) rotate(-1deg);
  }

  75% {
    transform: translate(-2%, -1%) rotate(0.5deg);
  }
}

/* Floating Particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-orange);
  border-radius: 50%;
  opacity: 0.3;
  animation: particleFloat 15s infinite ease-in-out;
}

.particle:nth-child(2) {
  left: 20%;
  animation-delay: -2s;
  background: var(--accent-purple);
}

.particle:nth-child(3) {
  left: 40%;
  animation-delay: -4s;
  width: 6px;
  height: 6px;
}

.particle:nth-child(4) {
  left: 60%;
  animation-delay: -6s;
  background: var(--accent-cyan);
}

.particle:nth-child(5) {
  left: 80%;
  animation-delay: -8s;
}

.particle:nth-child(6) {
  left: 10%;
  animation-delay: -10s;
  background: var(--accent-purple);
}

.particle:nth-child(7) {
  left: 70%;
  animation-delay: -12s;
  width: 5px;
  height: 5px;
}

.particle:nth-child(8) {
  left: 90%;
  animation-delay: -14s;
  background: var(--accent-cyan);
}

@keyframes particleFloat {

  0%,
  100% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }

  10% {
    opacity: 0.6;
  }

  90% {
    opacity: 0.6;
  }

  100% {
    transform: translateY(-100vh) scale(1);
    opacity: 0;
  }
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: var(--space-sm) 0;
  background: rgba(10, 10, 15, 0.95);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: var(--gradient-button);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-button);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-orange), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-orange);
  transition: var(--transition-fast);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(247, 147, 26, 0.1);
  border: 1px solid rgba(247, 147, 26, 0.3);
  padding: var(--space-xs) var(--space-md);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-orange);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease;
}

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

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease 0.1s backwards;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent-orange), #ffcc00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s backwards;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
}

.btn-primary {
  background: var(--gradient-button);
  color: #000;
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background: var(--gradient-button-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(247, 147, 26, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-purple);
  transform: translateY(-3px);
}

/* ============================================
   Products Section
   ============================================ */
.products {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

/* Product Card */
.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition-normal);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-purple));
  opacity: 0;
  transition: var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-glow);
}

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

.product-image {
  width: 100%;
  height: 220px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

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

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

.product-image .icon-placeholder {
  font-size: 4rem;
  opacity: 0.5;
}

.product-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--accent-orange);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
}

.product-content {
  padding: var(--space-md);
}

.product-category {
  font-size: 0.8rem;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

.product-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.product-title a {
  color: inherit;
  text-decoration: none;
}

.product-title a:hover {
  color: var(--accent-orange);
}

.product-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.feature-tag {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 50px;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

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

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.product-price .currency {
  font-size: 1rem;
  opacity: 0.7;
}

.btn-buy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gradient-button);
  color: #000;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-normal);
}

.btn-buy:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-button);
}

/* ============================================
   Disclaimer Section
   ============================================ */
.disclaimer {
  padding: var(--space-xl) 0;
}

.disclaimer-box {
  background: rgba(247, 147, 26, 0.05);
  border: 1px solid rgba(247, 147, 26, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.disclaimer-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent-orange);
  margin-bottom: var(--space-sm);
}

.disclaimer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-title {
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-orange);
}

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

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-links a:hover {
  background: var(--accent-orange);
  color: #000;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

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

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

  .hero {
    padding-top: 80px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    margin: 0 auto var(--space-md);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-orange), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
}