/* ============================================
   FUTURISTIC BIKE CARE DESIGN SYSTEM
   Digital Laboratory Aesthetic
   ============================================ */

:root {
  /* Color Palette */
  --color-pristine-white: #FFFFFF;
  --color-icy-blue: #F0F8FF;
  --color-petrol-teal: #004D4D;
  --color-chrome-gold: #D4AF37;
  --color-dark: #1a1a1a;
  --color-light-gray: #f5f5f5;
  --color-text-primary: #2c2c2c;
  --color-text-secondary: #666666;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Tenor Sans', serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 77, 77, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 77, 77, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 77, 77, 0.16);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(20px);
}

/* ============================================
   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-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-pristine-white);
  overflow-x: hidden;
}

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

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

h1 {
  font-size: clamp(0.9rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.2rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.1rem, 3vw, 1.75rem);
}

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

a {
  text-decoration: none;
  color: var(--color-petrol-teal);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-chrome-gold);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--color-icy-blue) 0%, rgba(240, 248, 255, 0.5) 100%);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 400;
  color: var(--color-petrol-teal);
  letter-spacing: 0.05em;
}

.main-navigation {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 400;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.nav-links a:hover {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-petrol-teal);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  color: var(--color-petrol-teal);
  font-size: 1.25rem;
  transition: all var(--transition-base);
  order: 999;
  z-index: 100001;
}

.burger-toggle:hover {
  background: var(--color-petrol-teal);
  color: var(--color-pristine-white);
}

.burger-toggle.active {
  background: var(--color-petrol-teal);
  color: var(--color-pristine-white);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--color-pristine-white);
  border-top: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  z-index: 999;
}

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

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-links a {
  display: block;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mobile-nav-links a:hover {
  background: var(--color-icy-blue);
}

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

.hero-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: var(--space-xxl) var(--space-lg);
  background: linear-gradient(135deg, var(--color-icy-blue) 0%, rgba(240, 248, 255, 0.3) 100%);
  overflow: hidden;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  z-index: 2;
  position: relative;
}

.hero-title {
  color: var(--color-petrol-teal);
  margin-bottom: var(--space-lg);
  font-weight: 400;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-image-container {
  width: 100%;
  max-width: 1200px;
  margin: var(--space-xl) auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-container img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ============================================
   LIQUID ANIMATION BACKGROUND
   ============================================ */

.liquid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
  opacity: 0.3;
}

.liquid-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: liquidMove 20s infinite ease-in-out;
}

.liquid-blob-1 {
  width: 400px;
  height: 400px;
  background: var(--color-icy-blue);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.liquid-blob-2 {
  width: 300px;
  height: 300px;
  background: var(--color-petrol-teal);
  bottom: -50px;
  right: -50px;
  animation-delay: 5s;
}

.liquid-blob-3 {
  width: 250px;
  height: 250px;
  background: var(--color-chrome-gold);
  top: 50%;
  left: 50%;
  animation-delay: 10s;
}

@keyframes liquidMove {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(50px, 50px) scale(1.1);
  }
  50% {
    transform: translate(-30px, 80px) scale(0.9);
  }
  75% {
    transform: translate(80px, -30px) scale(1.05);
  }
}

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

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-chrome-gold), 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: var(--color-pristine-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--glass-border);
}

.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

/* ============================================
   CARDS & FEATURES
   ============================================ */

.feature-card {
  background: linear-gradient(135deg, var(--color-pristine-white) 0%, var(--color-icy-blue) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--color-chrome-gold);
  margin-bottom: var(--space-md);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  font-family: var(--font-primary);
  margin-top: 10px;
}

.btn-primary {
  background: var(--color-petrol-teal);
  color: var(--color-pristine-white);
}

.btn-primary:hover {
  background: var(--color-chrome-gold);
  color: var(--color-dark);
  box-shadow: var(--shadow-glow);
}
.footer-bottom p{
  color: whitesmoke;
}
.footer-section p{
  color: whitesmoke;
}

.footer-section a{
  color: whitesmoke;
}
.btn-secondary {
  background: transparent;
  color: var(--color-petrol-teal);
  border: 2px solid var(--color-petrol-teal);
}

.btn-secondary:hover {
  background: var(--color-petrol-teal);
  color: var(--color-pristine-white);
}

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

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-pristine-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--glass-border);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
  background: var(--color-pristine-white);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-petrol-teal);
  box-shadow: 0 0 0 3px rgba(0, 77, 77, 0.1);
}

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

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

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

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

.product-card {
  background: var(--color-pristine-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--glass-border);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

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

.product-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-petrol-teal);
}

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

.product-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-chrome-gold);
  font-family: var(--font-heading);
}

/* ============================================
   MAP CONTAINER
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: var(--space-xl) 0;
  border: 1px solid var(--glass-border);
}

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

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

.site-footer {
  background: var(--color-petrol-teal);
  color: var(--color-pristine-white);
  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-pristine-white);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-chrome-gold);
}

.footer-contact {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* ============================================
   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); }

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

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: var(--color-pristine-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.privacy-popup.active {
  display: block;
  animation: slideUp 0.3s ease;
}

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

.privacy-popup-content {
  margin-bottom: var(--space-md);
}

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

.privacy-popup-buttons .btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
}

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

@media (max-width: 1023px) {
  .main-navigation {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .hero-banner {
    min-height: 50vh;
    padding: var(--space-xl) var(--space-md);
  }
  
  .grid-container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .privacy-popup {
    max-width: calc(100% - 2rem);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: var(--space-sm);
  }
  
  .hero-banner {
    min-height: 40vh;
    padding: var(--space-lg) var(--space-md);
  }
  
  .main-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .content-section {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 35vh;
  }
  
  .liquid-blob {
    filter: blur(40px);
  }
  
  .liquid-blob-1,
  .liquid-blob-2,
  .liquid-blob-3 {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }

  
  .burger-toggle {
    align-self: flex-end;
  }
}

/* ============================================
   SPECIAL PAGE STYLES
   ============================================ */

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

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-petrol-teal);
  font-weight: 300;
  margin-bottom: var(--space-md);
}

.thank-you-message {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-chrome-gold);
  margin-bottom: var(--space-lg);
}

/* ============================================
   DATA VISUALIZATION STYLES
   ============================================ */

.chart-container {
  background: var(--color-pristine-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  margin: var(--space-lg) 0;
  border: 1px solid var(--glass-border);
}

.data-visualization {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, var(--color-icy-blue) 0%, var(--color-pristine-white) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

/* ============================================
   INTERACTIVE ELEMENTS
   ============================================ */

.interactive-slider {
  width: 100%;
  margin: var(--space-lg) 0;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.slider-input {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-light-gray);
  outline: none;
  -webkit-appearance: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-petrol-teal);
  cursor: pointer;
  transition: all var(--transition-base);
}

.slider-input::-webkit-slider-thumb:hover {
  background: var(--color-chrome-gold);
  transform: scale(1.2);
}

.slider-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-petrol-teal);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
}

.slider-input::-moz-range-thumb:hover {
  background: var(--color-chrome-gold);
  transform: scale(1.2);
}

.slider-value {
  text-align: center;
  margin-top: var(--space-md);
  font-size: 1.5rem;
  color: var(--color-petrol-teal);
  font-weight: 600;
}