:root {
  --color-bg: #E5E7EB;
  --color-text: #000000;
  --color-accent: #00D1FF;
  --color-secondary: #94A3B8;
  --color-card: #FFFFFF;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

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

a:hover {
  color: var(--color-accent);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-accent);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.header {
  position: relative;
  padding: var(--space-md) 0;
  background: transparent;
  z-index: 1000;
  transition: all var(--transition-base);
  transform: translateY(0);
}

.header.scrolled {
  background: rgba(229, 231, 235, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-sm) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  z-index: 1001;
}

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

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

.nav a {
  transition: all var(--transition-base);
}

.nav a:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg) 0%, rgba(0, 209, 255, 0.05) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 209, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="%2300D1FF" opacity="0.3"/></svg>');
  background-size: 100px 100px;
  animation: floatPattern 30s linear infinite;
  z-index: 0;
  opacity: 0.4;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl);
  max-width: 800px;
}

.hero-content h1 {
  position: relative;
  z-index: 3;
}

.hero-content p {
  position: relative;
  z-index: 3;
}

.hero-content .btn {
  position: relative;
  z-index: 3;
}

.hero h1 {
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeInUp 1s ease 0.5s forwards;
}

.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  transform: translateY(20px);
}

.card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.product-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-base);
  filter: brightness(1);
}

.product-card:hover .product-image {
  transform: scale(1.15) rotate(1deg);
  filter: brightness(1.1);
}

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

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: var(--space-sm);
}

.asymmetric-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.asymmetric-item {
  position: relative;
  padding: var(--space-lg);
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateX(-30px);
}

.asymmetric-item:nth-child(even) {
  transform: translateX(30px);
}

.asymmetric-item.animate {
  opacity: 1;
  transform: translateX(0);
}

.asymmetric-item:nth-child(odd) {
  margin-left: 0;
  margin-right: auto;
  max-width: 70%;
}

.asymmetric-item:nth-child(even) {
  margin-left: auto;
  margin-right: 0;
  max-width: 70%;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form input,
.contact-form textarea {
  position: relative;
}

.contact-form input:focus,
.contact-form textarea:focus {
  box-shadow: 0 0 0 3px rgba(0, 209, 255, 0.1);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.footer {
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-secondary);
  border-top: 1px solid var(--color-secondary);
  margin-top: var(--space-2xl);
}

.map-container {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.popup-content {
  background: var(--color-card);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  margin: var(--space-md);
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

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

.popup-close {
  background: var(--color-accent);
  color: var(--color-text);
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  margin-top: var(--space-md);
  transition: all var(--transition-base);
}

.popup-close:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes floatPattern {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(100px, 100px);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmerText {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.6;
  animation: particleFloat 15s infinite ease-in-out;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) translateX(0) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100px) translateX(100px) scale(1);
    opacity: 0;
  }
}

.hero-gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(0, 209, 255, 0.1) 50%, transparent 100%);
  animation: gradientShift 8s ease-in-out infinite;
  z-index: 1;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 0.3;
    transform: translateX(-100%);
  }
  50% {
    opacity: 0.6;
    transform: translateX(100%);
  }
}

.hero-text-shimmer {
  background: linear-gradient(90deg, var(--color-text) 0%, var(--color-accent) 50%, var(--color-text) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerText 3s linear infinite;
}

.hero-floating-shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(0, 209, 255, 0.1);
  animation: floatShape 20s infinite ease-in-out;
  z-index: 1;
}

@keyframes floatShape {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(50px, -50px) scale(1.2);
  }
  50% {
    transform: translate(-30px, -100px) scale(0.8);
  }
  75% {
    transform: translate(-50px, 30px) scale(1.1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.hero-content h1 {
  animation: fadeInUp 1s ease 0.3s forwards, float 3s ease-in-out infinite 1.5s;
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transition: width var(--transition-slow);
}

.section-title.animate::after {
  width: 80px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-card);
    flex-direction: column;
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    z-index: 1000;
  }

  .nav.active {
    right: 0;
  }

  .asymmetric-item {
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .hero {
    min-height: 70vh;
  }

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

  .contact-form {
    padding: var(--space-md);
  }

  .section > .container > div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: var(--space-lg) !important;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 0.8125rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-lg) 0;
  }

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

@media (max-width: 480px) {
  :root {
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.25rem;
    --space-xl: 1.75rem;
    --space-2xl: 2.5rem;
  }

  body {
    font-size: 0.8125rem;
  }

  h1 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  h2 {
    font-size: clamp(1.25rem, 6vw, 1.75rem);
  }

  h3 {
    font-size: clamp(1.125rem, 5vw, 1.5rem);
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .hero {
    min-height: 60vh;
    padding: var(--space-md) 0;
  }

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

  .hero-content h1 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
    margin-bottom: var(--space-sm);
  }

  .hero-content p {
    font-size: 1rem;
    margin-bottom: var(--space-md);
  }

  .card {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8125rem;
    width: 100%;
    max-width: 280px;
  }

  .header {
    padding: var(--space-sm) 0;
  }

  .logo {
    font-size: 1.25rem;
  }

  .nav {
    width: 100%;
    max-width: 100%;
    padding: var(--space-lg) var(--space-md);
  }

  .contact-form {
    padding: var(--space-md);
  }

  .form-group input,
  .form-group textarea {
    font-size: 0.875rem;
    padding: var(--space-xs) var(--space-sm);
  }

  .map-container iframe {
    height: 300px;
  }

  .hero-floating-shape {
    display: none;
  }

  .hero-particles {
    display: none;
  }

  .asymmetric-item {
    padding: var(--space-md);
  }

  .product-image {
    height: 250px;
  }

  .product-price {
    font-size: 1.25rem;
  }

  .popup-content {
    padding: var(--space-md);
    margin: var(--space-sm);
    max-width: calc(100% - 2rem);
  }
}

@media (max-width: 360px) {
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.625rem;
    --space-md: 0.875rem;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }

  body {
    font-size: 0.75rem;
  }

  .container {
    padding: 0 var(--space-xs);
  }

  .hero-content {
    padding: var(--space-sm);
  }

  .card {
    padding: var(--space-sm);
  }

  .btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
  }
}

@media (max-width: 320px) {
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 0.75rem;
    --space-lg: 1rem;
    --space-xl: 1.25rem;
    --space-2xl: 1.75rem;
  }

  body {
    font-size: 0.6875rem;
    line-height: 1.5;
  }

  h1 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
  }

  h2 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
  }

  h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
  }

  .container {
    padding: 0 var(--space-xs);
  }

  .section {
    padding: var(--space-md) 0;
  }

  .hero {
    min-height: 50vh;
    padding: var(--space-sm) 0;
  }

  .hero-content {
    padding: var(--space-sm);
  }

  .hero-content h1 {
    font-size: 1.5rem;
    line-height: 1.2;
    margin-bottom: var(--space-xs);
  }

  .hero-content p {
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
    line-height: 1.5;
  }

  .card {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.6875rem;
    border-radius: var(--radius-sm);
    width: 100%;
    max-width: 240px;
  }

  .header {
    padding: var(--space-xs) 0;
  }

  .header-content {
    padding: 0 var(--space-xs);
  }

  .logo {
    font-size: 1rem;
  }

  .nav-toggle {
    font-size: 1.25rem;
    padding: var(--space-xs);
  }

  .nav {
    width: 100%;
    max-width: 100%;
    padding: var(--space-md) var(--space-sm);
    font-size: 0.75rem;
  }

  .nav a {
    font-size: 0.6875rem;
    padding: var(--space-xs) 0;
  }

  .contact-form {
    padding: var(--space-sm);
  }

  .form-group {
    margin-bottom: var(--space-sm);
  }

  .form-group label {
    font-size: 0.75rem;
    margin-bottom: var(--space-xs);
  }

  .form-group input,
  .form-group textarea {
    font-size: 0.75rem;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
  }

  .form-group textarea {
    min-height: 120px;
  }

  .checkbox-group {
    font-size: 0.6875rem;
    margin-bottom: var(--space-sm);
  }

  .map-container {
    margin: var(--space-md) 0;
    border-radius: var(--radius-md);
  }

  .map-container iframe {
    height: 250px;
  }

  .product-image {
    height: 200px;
  }

  .product-info {
    padding: var(--space-sm);
  }

  .product-price {
    font-size: 1.125rem;
    margin-top: var(--space-xs);
  }

  .asymmetric-item {
    padding: var(--space-sm);
    margin-bottom: var(--space-sm);
  }

  .footer {
    padding: var(--space-md) 0;
    font-size: 0.625rem;
  }

  .footer a {
    font-size: 0.625rem;
  }

  .popup-content {
    padding: var(--space-sm);
    margin: var(--space-xs);
    max-width: calc(100% - 1rem);
    max-height: 90vh;
  }

  .popup-content h2 {
    font-size: 1.125rem;
  }

  .popup-content p {
    font-size: 0.75rem;
  }

  .popup-close {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    width: 100%;
  }

  .hero-floating-shape {
    display: none;
  }

  .hero-particles {
    display: none;
  }

  .hero-gradient-overlay {
    display: none;
  }

  .hero::before,
  .hero::after {
    display: none;
  }
}