:root {
  --color-primary: #00d9ff;
  --color-secondary: #a78bfa;
  --color-dark: #0a0e27;
  --color-dark-alt: #1a1f3a;
  --color-light: #ffffff;
  --color-glass: rgba(255, 255, 255, 0.1);
  --color-glass-border: rgba(255, 255, 255, 0.2);
  
  --font-primary: 'Orbitron', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 2rem;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.6s ease;
  
  --shadow-sm: 0 2px 8px rgba(0, 217, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 217, 255, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 217, 255, 0.3);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.4);
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
  color: var(--color-light);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body.nav-active {
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(167, 139, 250, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 75rem;
  margin: 0 auto;
  padding: 0 var(--space-sm);
  position: relative;
  z-index: 1;
}

header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md) 0;
  z-index: 1000;
  transition: var(--transition-normal);
}

header.scrolled {
  background: rgba(10, 14, 39, 0.8);
  backdrop-filter: blur(10px);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-md);
}

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

.logo {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-light);
  text-decoration: none;
  text-transform: uppercase;
  transition: var(--transition-fast);
  text-shadow: var(--shadow-glow);
}

.logo:hover {
  color: var(--color-light);
  transform: scale(1.05);
}

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

nav a {
  color: var(--color-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
  transform: translateX(-50%);
}

nav a:hover::before {
  width: 80%;
}

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

.burger {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  z-index: 1001;
}

.burger span {
  width: 1.5rem;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
  border-radius: 2px;
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
  background-image: url('../visuals/bg-image-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.7) 0%, rgba(167, 139, 250, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease;
  background-color: rgba(0, 0, 0, 0.5);
  padding: var(--space-md);
  border-radius: var(--radius-md);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
  }
  to {
    filter: drop-shadow(0 0 20px rgba(167, 139, 250, 0.8));
  }
}

h2 {
  font-family: var(--font-primary);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

h3 {
  font-family: var(--font-primary);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-light);
}

p {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  margin-bottom: var(--space-sm);
  color: rgba(255, 255, 255, 0.8);
}

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

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.glass-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

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

.grid-contact {
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-dark);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  color: white;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

.btn-secondary {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

.feature-img {
  width: 100%;
  height: 15rem;
  object-fit: cover;
  margin-bottom: var(--space-sm);
  border: 1px solid var(--color-glass-border);
  transition: var(--transition-normal);
}

.feature-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.product-card {
  text-align: center;
}

.product-img {
  width: 100%;
  height: 18rem;
  object-fit: cover;
  margin-bottom: var(--space-sm);
}

.price {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  color: var(--color-primary);
  font-weight: 700;
  margin: var(--space-sm) 0;
}

form {
  max-width: 40rem;
  margin: 0 auto;
}

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

label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--color-primary);
  font-size: 0.9rem;
}

input,
textarea {
  width: 100%;
  padding: var(--space-sm);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  color: var(--color-light);
  font-family: var(--font-secondary);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

textarea {
  resize: vertical;
  min-height: 8rem;
}

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

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.2rem;
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 0.85rem;
}

footer {
  padding: var(--space-md) 0;
  text-align: center;
  border-top: 1px solid var(--color-glass-border);
  margin-top: var(--space-lg);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

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

footer a:hover {
  color: var(--color-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.map-container {
  width: 100%;
  height: 25rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-glass-border);
  margin-top: var(--space-md);
}

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

.contact-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-glass-border);
}

.contact-item i {
  color: var(--color-primary);
  font-size: 1.2rem;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(5px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-dark-alt);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  max-width: 35rem;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: none;
  border: none;
  color: var(--color-light);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-primary);
  transform: rotate(90deg);
}

.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-code {
  font-family: var(--font-primary);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.thank-you-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 10rem;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  animation: bounce 1s ease infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-1rem);
  }
}

.floating-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s infinite ease-in-out;
}

.shape:nth-child(1) {
  width: 5rem;
  height: 5rem;
  background: var(--color-primary);
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape:nth-child(2) {
  width: 8rem;
  height: 8rem;
  background: var(--color-secondary);
  top: 60%;
  right: 15%;
  animation-delay: 5s;
}

.shape:nth-child(3) {
  width: 6rem;
  height: 6rem;
  background: var(--color-primary);
  bottom: 20%;
  left: 20%;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-3rem) rotate(180deg);
  }
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-xl) var(--space-md);
    transition: var(--transition-normal);
    border-left: 1px solid var(--color-glass-border);
    display: none;
  }

  nav.active {
    right: 0;
    display: flex;
  }

  nav ul {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .burger {
    display: flex;
  }

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

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

  .footer-links {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .modal-content {
    padding: var(--space-md);
    max-width: 90%;
  }

  .modal-content > div {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .modal-content .btn {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 480px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }

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

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

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

  .map-container {
    height: 18rem;
  }

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

  .modal-content {
    padding: var(--space-md) var(--space-sm);
    max-width: 100%;
    margin: var(--space-xs);
  }

  .modal-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-xs);
  }

  .modal-content p {
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
  }

  .modal-content > div {
    flex-direction: column;
    gap: var(--space-xs);
    align-items: stretch;
  }

  .modal-content .btn {
    width: 100%;
    padding: var(--space-sm);
    font-size: 0.9rem;
  }

  .modal-content a {
    display: block;
    text-align: center;
    margin-top: var(--space-xs);
    padding: var(--space-xs) 0;
  }

  .modal-close {
    top: var(--space-xs);
    right: var(--space-xs);
    font-size: 1.3rem;
  }

  .logo{
    font-size: 1rem;
  }
}