/* ============================================
   FUTURISTIC MATERIALS SCIENCE ARCHIVE DESIGN
   ============================================ */

:root {
  /* Color Palette - Materials Science */
  --color-oxidized-steel: #2B2B2B;
  --color-bio-amber: #D48C46;
  --color-cryo-glass: #A9D6E5;
  --color-photon-white: #FFFFFF;
  --color-dark-bg: #1a1a1a;
  --color-light-bg: #f5f5f5;
  
  /* Spacing System */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Typography */
  --font-header: 'Michroma', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  
  /* Effects */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  --blur-sm: blur(8px);
  --blur-md: blur(16px);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-photon-white);
  background-color: var(--color-dark-bg);
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(1rem, 5vw, var(--font-size-3xl));
}

h2 {
  font-size: clamp(1rem, 4vw, var(--font-size-2xl));
}

h3 {
  font-size: clamp(0.9rem, 3vw, var(--font-size-xl));
}

p {
  margin-bottom: var(--space-md);
}

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

a:hover {
  color: var(--color-bio-amber);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(43, 43, 43, 0.8);
  backdrop-filter: var(--blur-md);
  border-bottom: 1px solid rgba(169, 214, 229, 0.1);
  z-index: 1000;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.brand-text {
  font-family: var(--font-header);
  font-size: clamp(0.8rem, 2vw, 1.5rem);
  color: var(--color-photon-white);

}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-menu li a {
  color: var(--color-photon-white);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu li a:hover {
  background: rgba(169, 214, 229, 0.1);
  color: var(--color-cryo-glass);
}

.burger-button {
  display: none;
  background: transparent;
  border: 1px solid var(--color-cryo-glass);
  color: var(--color-photon-white);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
  order: 999;
  z-index: 100001;
}
.glass-card h1{
  font-size: 0.9rem;
}
.burger-button:hover {
  background: rgba(169, 214, 229, 0.1);
  border-color: var(--color-bio-amber);
}

.burger-button.active {
  background: var(--color-bio-amber);
  border-color: var(--color-bio-amber);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-button {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(43, 43, 43, 0.98);
    backdrop-filter: var(--blur-md);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-md);
    transition: right var(--transition-slow);
    z-index: 999;
    border-left: 1px solid rgba(169, 214, 229, 0.2);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu li a {
    display: block;
    width: 100%;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(169, 214, 229, 0.1);
  }
}

/* ============================================
   HERO BANNERS (FULL-WIDTH)
   ============================================ */

.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  padding: var(--space-xl);
  text-align: center;
  background: rgba(43, 43, 43, 0.6);
  backdrop-filter: var(--blur-md);
  border-radius: var(--radius-lg);
  margin: var(--space-xl);
}

.hero-content h1 {
  color: var(--color-photon-white);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  color: var(--color-cryo-glass);
  font-size: var(--font-size-lg);
  max-width: 800px;
  margin: 0 auto;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.4;
  filter: grayscale(20%) contrast(1.1);
}

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(43, 43, 43, 0.8) 0%,
    rgba(26, 26, 26, 0.6) 50%,
    rgba(43, 43, 43, 0.8) 100%
  );
  z-index: 1;
}

/* Hero with image as background */
.hero-banner-image-below {
  flex-direction: row;
  padding: 0;
}

.hero-banner-image-below .hero-content {
  margin-bottom: 0;
  position: relative;
  z-index: 2;
}

.hero-banner-image-below .hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.4;
  filter: grayscale(20%) contrast(1.1);
  border-radius: 0;
  margin-top: 0;
  box-shadow: none;
}

.hero-banner-image-below .hero-image-overlay {
  display: block;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */

main {
  max-width: 1400px;
  margin: 0 auto;
}

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
}

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

.section-header h2 {
  color: var(--color-cryo-glass);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-bio-amber), transparent);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

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

.grid-item {
  background: rgba(43, 43, 43, 0.6);
  backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(169, 214, 229, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
}

.grid-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-bio-amber);
  box-shadow: var(--shadow-md);
}

.grid-item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.grid-item h3 {
  color: var(--color-cryo-glass);
  margin-bottom: var(--space-sm);
}

.grid-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

/* ============================================
   GLASSMORPHISM CARDS
   ============================================ */

.glass-card {
  background: rgba(43, 43, 43, 0.4);
  backdrop-filter: var(--blur-md);
  border: 1px solid rgba(169, 214, 229, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-fast);
}

.glass-card:hover {
  background: rgba(43, 43, 43, 0.6);
  border-color: var(--color-bio-amber);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   FORMS
   ============================================ */

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(43, 43, 43, 0.6);
  backdrop-filter: var(--blur-md);
  border: 1px solid rgba(169, 214, 229, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

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

.form-group label {
  display: block;
  color: var(--color-cryo-glass);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(26, 26, 26, 0.6);
  border: 1px solid rgba(169, 214, 229, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-photon-white);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-bio-amber);
  box-shadow: 0 0 0 3px rgba(212, 140, 70, 0.1);
}

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

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

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

.checkbox-group label {
  color: rgba(255, 255, 255, 0.8);
  text-transform: none;
  letter-spacing: normal;
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--color-bio-amber), var(--color-cryo-glass));
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-dark-bg);
  font-family: var(--font-header);
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 10px;
}

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

.submit-button:active {
  transform: translateY(0);
}

/* ============================================
   GOOGLE MAPS
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-xl) 0;
  border: 1px solid rgba(169, 214, 229, 0.2);
}

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

/* ============================================
   PRODUCTS
   ============================================ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.product-card {
  background: rgba(43, 43, 43, 0.6);
  backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(169, 214, 229, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

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

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

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

.product-title {
  color: var(--color-cryo-glass);
  margin-bottom: var(--space-sm);
}

.product-description {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.product-price {
  color: var(--color-bio-amber);
  font-family: var(--font-header);
  font-size: var(--font-size-xl);
  font-weight: 400;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: rgba(43, 43, 43, 0.9);
  backdrop-filter: var(--blur-md);
  border-top: 1px solid rgba(169, 214, 229, 0.2);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section h3 {
  color: var(--color-cryo-glass);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer-menu li {
  margin-bottom: var(--space-sm);
}

.footer-menu li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-menu li a:hover {
  color: var(--color-bio-amber);
}

.footer-contact {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(169, 214, 229, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-xs);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .hero-content {
    padding: var(--space-lg);
    margin: var(--space-md);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  

}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .hero-banner {
    min-height: 80vh;
  }
  
  .form-container {
    padding: var(--space-lg);
  }
}

/* ============================================
   SPECIAL EFFECTS - REFRACTION SCROLL
   ============================================ */

.refraction-effect {
  position: relative;
  overflow: hidden;
}

.refraction-effect::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(169, 214, 229, 0.1),
    transparent
  );
  transition: left 0.5s ease;
  z-index: 1;
  pointer-events: none;
}

.refraction-effect:hover::before {
  left: 100%;
}

/* ============================================
   PRIVACY POPUP
   ============================================ */

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: rgba(43, 43, 43, 0.95);
  backdrop-filter: var(--blur-md);
  border: 1px solid rgba(169, 214, 229, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-lg);
  transform: translateY(150%);
  transition: transform var(--transition-slow);
}

.privacy-popup.show {
  transform: translateY(0);
}

.privacy-popup p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-md);
}

.privacy-popup-button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-cryo-glass);
  background: transparent;
  color: var(--color-photon-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.privacy-popup-button.accept {
  background: var(--color-bio-amber);
  border-color: var(--color-bio-amber);
  color: var(--color-dark-bg);
}

.privacy-popup-button:hover {
  background: rgba(169, 214, 229, 0.1);
}

.privacy-popup-button.accept:hover {
  background: var(--color-cryo-glass);
  border-color: var(--color-cryo-glass);
}

@media (max-width: 768px) {
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

/* ============================================
   404 PAGE
   ============================================ */

.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xxl);
}

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  color: var(--color-bio-amber);
  font-family: var(--font-header);
  margin-bottom: var(--space-lg);
}

.error-message {
  color: var(--color-cryo-glass);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
}

/* ============================================
   DATE ELEMENT
   ============================================ */

.date {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  font-style: italic;
}