:root {
  --tech-cyan: #00E5FF;
  --pure-white: #FFFFFF;
  --neon-orange: #FF9100;
  --neon-lime: #76FF03;
  --dark-bg: #0a0a0a;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-600: #525252;
  --gray-800: #262626;
  --gray-900: #171717;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Urbanist', sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--gray-800);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--tech-cyan);
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--tech-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--tech-cyan);
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--gray-800);
  transition: 0.3s;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6)), 
              url('https://images.pexels.com/photos/4144923/pexels-photo-4144923.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(255, 145, 0, 0.1));
}

.hero-content {
  text-align: center;
  color: var(--pure-white);
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-logo-icon {
  width: 80px;
  height: 80px;
  color: var(--tech-cyan);
  filter: drop-shadow(0 4px 8px rgba(0, 229, 255, 0.3));
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--tech-cyan), var(--neon-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-slogan {
  font-size: 1.5rem;
  font-weight: 300;
  opacity: 0.9;
  letter-spacing: 0.5px;
}

/* Sticky CTA Button */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: linear-gradient(135deg, var(--tech-cyan), var(--neon-orange));
  color: var(--pure-white);
  border: none;
  padding: 16px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 32px rgba(0, 229, 255, 0.3);
  transition: all 0.3s ease;
  transform: translateY(100px);
  opacity: 0;
  z-index: 999;
}

.sticky-cta.visible {
  transform: translateY(0);
  opacity: 1;
}

.sticky-cta:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.4);
}

.sticky-cta svg {
  width: 20px;
  height: 20px;
}

/* Collection Section */
.collection {
  padding: 100px 0;
  background: var(--gray-100);
}

.section-title {
  text-align: center;
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 60px;
  color: var(--gray-900);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--tech-cyan), var(--neon-orange));
  border-radius: 2px;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--pure-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.95), rgba(255, 145, 0, 0.95));
  color: var(--pure-white);
  padding: 24px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.product-specs h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-specs ul {
  list-style: none;
}

.product-specs li {
  padding: 4px 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

.product-specs li::before {
  content: '✓ ';
  color: var(--neon-lime);
  font-weight: bold;
  margin-right: 8px;
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--gray-900);
}

.product-info p {
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.5;
}

.price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--tech-cyan);
}

/* Featured Products Carousel */
.featured {
  padding: 100px 0;
  background: var(--pure-white);
}

.carousel-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.carousel-slide {
  display: none;
  animation: slideIn 0.5s ease-in-out;
}

.carousel-slide.active {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 400px;
}

.featured-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.featured-info {
  padding: 40px;
  background: var(--gray-100);
}

.featured-info h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--gray-900);
}

.featured-specs {
  display: grid;
  gap: 12px;
}

.spec-item {
  padding: 12px 16px;
  background: var(--pure-white);
  border-radius: 8px;
  border-left: 4px solid var(--tech-cyan);
  font-size: 0.95rem;
}

.spec-item strong {
  color: var(--gray-900);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 3;
}

.carousel-btn:hover {
  background: var(--tech-cyan);
  color: var(--pure-white);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
  left: 20px;
}

.carousel-btn.next {
  right: 20px;
}

.carousel-btn svg {
  width: 24px;
  height: 24px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: var(--gray-300);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
  background: var(--tech-cyan);
  transform: scale(1.2);
}

/* Testimonials */
.testimonials {
  padding: 100px 0;
  background: var(--gray-900);
  color: var(--pure-white);
}

.testimonials .section-title {
  color: var(--pure-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}

.testimonial-card.aos-animate {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--tech-cyan);
  box-shadow: 0 8px 32px rgba(0, 229, 255, 0.2);
}

.testimonial-image {
  height: 200px;
  overflow: hidden;
}

.testimonial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.testimonial-content {
  padding: 24px;
}

.testimonial-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 20px;
  font-style: italic;
  opacity: 0.9;
}

.customer-info h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--tech-cyan);
  margin-bottom: 4px;
}

.customer-info span {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Newsletter */
.newsletter {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--tech-cyan), var(--neon-orange));
  color: var(--pure-white);
}

.newsletter-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.newsletter-content p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 40px;
}

.newsletter-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group input {
  flex: 1;
  padding: 16px 20px;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  outline: none;
  background: rgba(255, 255, 255, 0.15);
  color: var(--pure-white);
  backdrop-filter: blur(10px);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus {
  border-color: var(--pure-white);
  background: rgba(255, 255, 255, 0.2);
}

.form-group button {
  background: var(--pure-white);
  color: var(--tech-cyan);
  border: none;
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.form-group button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.form-group button svg {
  width: 20px;
  height: 20px;
}

.form-error {
  color: var(--neon-lime);
  font-size: 0.9rem;
  text-align: left;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.form-error.show {
  opacity: 1;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--pure-white);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 32px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.3rem;
}

.footer-logo .logo-icon {
  width: 28px;
  height: 28px;
  color: var(--tech-cyan);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--tech-cyan);
}

.footer-social {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--tech-cyan);
  color: var(--pure-white);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* Success Popup */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.popup-overlay.show {
  opacity: 1;
  visibility: visible;
}

.popup {
  background: var(--pure-white);
  border-radius: 20px;
  padding: 40px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.popup-overlay.show .popup {
  transform: scale(1);
}

.popup-icon {
  width: 60px;
  height: 60px;
  background: var(--neon-lime);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.popup-icon svg {
  width: 30px;
  height: 30px;
  color: var(--pure-white);
}

.popup h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--gray-900);
}

.popup p {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 24px;
}

.popup-close {
  background: var(--tech-cyan);
  color: var(--pure-white);
  border: none;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.popup-close:hover {
  background: var(--neon-orange);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
  
  .featured-content {
    grid-template-columns: 1fr;
  }
  
  .featured-image {
    order: -1;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }
  
  .footer-social {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 32px 0;
    gap: 24px;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

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

  .hero-slogan {
    font-size: 1.2rem;
  }

  .hero-logo-icon {
    width: 60px;
    height: 60px;
  }

  .collection-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .form-group {
    flex-direction: column;
    gap: 12px;
  }

  .newsletter-content h2 {
    font-size: 2rem;
  }

  .sticky-cta {
    bottom: 16px;
    right: 16px;
    padding: 14px 20px;
    font-size: 0.9rem;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
  }

  .carousel-btn.prev {
    left: 10px;
  }

  .carousel-btn.next {
    right: 10px;
  }

  .featured-info {
    padding: 32px 24px;
  }

  .featured-info h3 {
    font-size: 1.5rem;
  }
}

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

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

  .hero-slogan {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .collection {
    padding: 60px 0;
  }

  .featured {
    padding: 60px 0;
  }

  .testimonials {
    padding: 60px 0;
  }

  .newsletter {
    padding: 60px 0;
  }

  .popup {
    padding: 32px 24px;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

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

.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Focus States for Accessibility */
button:focus,
input:focus,
a:focus {
  outline: 2px solid var(--tech-cyan);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .navbar,
  .sticky-cta,
  .popup-overlay {
    display: none;
  }
}