/* Flow State Design System - Home Office Ergonomics */
:root {
  --color-bg-primary: #121212;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #0f0f0f;
  --color-border: #C0C0C0;
  --color-accent: #FFBF00;
  --color-text-primary: #F5F5F7;
  --color-text-secondary: #C0C0C0;
  --color-text-muted: #808080;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --blur-sm: blur(8px);
  --blur-md: blur(16px);
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

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

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

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

/* Header */
.site-header {
  position: relative;
  padding: var(--space-md) var(--space-lg);
  background: rgba(18, 18, 18, 0.8);
  backdrop-filter: var(--blur-md);
  border-bottom: 1px solid rgba(192, 192, 192, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.brand-text {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-text-primary);
}

.nav-menu {
  display: flex;
  gap: 15px;
  list-style: none;
  align-items: center;
}

.nav-menu li a {
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu li a:hover {
  background: rgba(255, 191, 0, 0.1);
  color: var(--color-accent);
}

.burger-toggle {
  display: flex;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 10001;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.burger-toggle:hover {
  background: rgba(255, 191, 0, 0.1);
  border-color: var(--color-accent);
}

.burger-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

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

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

.burger-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* Mobile Navigation Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-bg-secondary);
  border-left: 1px solid var(--color-border);
  flex-direction: column;
  padding: var(--space-2xl) var(--space-lg);
  gap: var(--space-md);
  transition: right var(--transition-base);
  z-index: 9999;
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
  display: flex;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(192, 192, 192, 0.1);
}

.mobile-menu-header .brand-text {
  font-size: 1.1rem;
}

.mobile-menu-close {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
  padding: 0;
}

.mobile-menu-close:hover {
  background: rgba(255, 191, 0, 0.1);
  border-color: var(--color-accent);
}

.mobile-menu-close::before,
.mobile-menu-close::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
}

.mobile-menu-close::before {
  transform: rotate(45deg);
}

.mobile-menu-close::after {
  transform: rotate(-45deg);
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

.mobile-menu ul li {
  width: 100%;
}

.mobile-menu ul li a {
  display: block;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  width: 100%;
  border: 1px solid transparent;
}

.mobile-menu ul li a:hover {
  background: rgba(255, 191, 0, 0.1);
  color: var(--color-accent);
  border-color: rgba(255, 191, 0, 0.2);
}

/* Desktop Navigation */
@media (min-width: 1024px) {
  .burger-toggle {
    display: none;
  }

  .mobile-menu-overlay,
  .mobile-menu {
    display: none !important;
  }
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .site-header nav {
    display: none;
  }

  .burger-toggle {
    display: flex;
  }
}

/* Hero Banner */
.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%);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-2xl);
  max-width: 1200px;
  width: 100%;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
}

.hero-text {
  position: relative;
  z-index: 3;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: var(--blur-md);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(192, 192, 192, 0.2);
  max-width: 800px;
  margin: 0 auto;
}

.hero-text h1 {
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.hero-text p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Bento Grid Layout */
.bento-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  justify-items: center;
}

.bento-card {
  background: var(--color-bg-secondary);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.bento-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-card-large {
  grid-column: span 2;
}

.bento-card-tall {
  grid-row: span 2;
}

@media (max-width: 768px) {
  .bento-card-large,
  .bento-card-tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* Section Styles */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.content-section {
  margin-bottom: var(--space-2xl);
  padding: var(--space-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Image with Text Layout */
.image-text-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.image-text-block.reverse {
  direction: rtl;
}

.image-text-block.reverse > * {
  direction: ltr;
}

.image-text-block img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(192, 192, 192, 0.1);
}

.image-text-content {
  padding: var(--space-lg);
}

@media (max-width: 768px) {
  .image-text-block {
    grid-template-columns: 1fr;
  }

  .image-text-block img {
    height: 250px;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-accent);
}

/* Forms */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--color-bg-secondary);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-primary);
  border: 1px solid rgba(192, 192, 192, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 191, 0, 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 {
  font-size: 0.875rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--color-text-secondary);
  cursor: pointer;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  justify-items: center;
}

.product-card {
  background: var(--color-bg-secondary);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  width: 100%;
  max-width: 100%;
}

.product-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

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

.product-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

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

/* Footer */
.site-footer {
  background: var(--color-bg-tertiary);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-2xl);
}

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

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.footer-section ul {
  list-style: none;
}

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

.footer-section ul li a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Google Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(192, 192, 192, 0.1);
  margin-top: var(--space-xl);
}

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

/* Privacy Popup */
.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 600px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  display: none;
}

.privacy-popup.active {
  display: block;
}

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

.privacy-popup-content p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

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

/* Thank You Page */
.thank-you-container {
  max-width: 800px;
  margin: var(--space-2xl) auto;
  padding: var(--space-2xl);
  text-align: center;
}

.thank-you-container h1 {
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.thank-you-container p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* 404 Page */
.error-container {
  max-width: 800px;
  margin: var(--space-2xl) auto;
  padding: var(--space-2xl);
  text-align: center;
}

.error-container h1 {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.error-container h2 {
  margin-bottom: var(--space-lg);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.hidden {
  display: none;
}

/* Responsive Typography */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

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

  .bento-container {
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-md);
  }

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

  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-md);
  }

  .hero-banner {
    min-height: 50vh;
  }

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus States */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}