:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
    
    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */
  
  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  
  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

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

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

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

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

.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

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

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
/* Import design system */
:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* Terra Supreme Brand Colors */
  --tsb-electric-blue: #00B0FF;
  --tsb-electric-blue-rgb: 0, 176, 255;
  --tsb-graphite-black: #2C2C2C;
  --tsb-silver-gray: #C0C0C0;
  --tsb-ice-white: #FFFFFF;
  --tsb-dark-blue: #0080CC;
  --tsb-light-blue: #33C0FF;

  /* Override design system with TSB colors */
  --color-primary: var(--tsb-electric-blue);
  --color-primary-hover: var(--tsb-dark-blue);
  --color-primary-active: #006699;
  --color-surface: var(--tsb-ice-white);
  --color-text: var(--tsb-graphite-black);
  --color-text-secondary: var(--color-slate-500);
  --color-background: var(--color-cream-50);

  /* Typography */
  --font-family-base: "Inter", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-display: "Inter", "SF Pro Display", sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 48px;
  --font-size-5xl: 64px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Shadows and Effects */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  --glow-blue: 0 0 20px rgba(var(--tsb-electric-blue-rgb), 0.3);
  --glow-blue-strong: 0 0 30px rgba(var(--tsb-electric-blue-rgb), 0.5);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-backdrop: blur(10px);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
}

h2 {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: flex-start; /* ✅ SHIFT EVERYTHING LEFT */
  gap: var(--space-24); /* ✅ adds spacing between logo and menu */
  height: 80px;
}


.logo-img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-hexagon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--tsb-electric-blue), var(--tsb-dark-blue));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-blue);
}

.logo-text {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: white;
  letter-spacing: 1px;
}

.company-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  margin: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(var(--tsb-electric-blue-rgb), 0.1);
}

/* Dropdown */
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  list-style: none;
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu .nav-link {
  display: block;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
}

/* CTA Button */
.cta-button {
  background: linear-gradient(135deg, var(--tsb-electric-blue), var(--tsb-dark-blue));
  color: white;
  border: none;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--glow-blue);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-blue-strong);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--color-text);
  margin: 2px 0;
  transition: var(--transition-fast);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--space-2);
  }

  .nav-link {
    padding: var(--space-4);
    text-align: center;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(var(--tsb-electric-blue-rgb), 0.05);
    margin-top: var(--space-2);
  }
}

/* Main Content */
/* Section Base */
.section {
  display: none;
  min-height: calc(100vh - 80px);
  padding: var(--space-20) 0;
}

.section.active {
  display: block;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.7) 0%,   /* top fade to white */
      rgba(255, 255, 255, 0.6) 50%,  /* middle lighter */
      rgba(255, 255, 255, 0.5) 100%  /* bottom slightly faded */
    ),
    url('../images/aerial.webp') center/cover no-repeat;
  background-blend-mode: lighten;
}

.hero-float-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.05; /* reduce visual weight */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(var(--tsb-electric-blue-rgb), 1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(var(--tsb-electric-blue-rgb), 1) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  position: relative;
  z-index: 2;
}

.hero-text {
  max-width: 600px;
}

.hero-title {
  font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-5xl));
  font-weight: 800;
  margin-bottom: var(--space-6);
  color: #0a0a0a; /* very dark charcoal */
}


.hero-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
  text-align: justify;
  line-height: 1.6;
  color: #1a1a1a;
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.hero-stats {
  display: grid;
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.08); /* subtle contrast box */
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.15); /* light glass border */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: #dcdcdc; /* light gray for dark background */
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .stat-item {
    padding: var(--space-4);
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-md);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--tsb-electric-blue), var(--tsb-dark-blue));
  color: white;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4); /* stronger glow */
  font-weight: 700;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 123, 255, 0.6);
}

.btn--outline {
  background: rgba(255,255,255,0.1); /* light subtle fill */
  color: var(--tsb-electric-blue);
  border: 2px solid var(--tsb-electric-blue);
  font-weight: 700;
}

.btn--outline:hover {
  background: var(--tsb-electric-blue);
  color: white;
  transform: translateY(-2px);
}

.btn--full-width {
  width: 100%;
}

/* Product Overview */
.product-overview {
  padding: var(--space-20) 0;
  text-align: center;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.overview-card {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  text-align: center;
}

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

.card-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.overview-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

/* Comparison Table */
.comparison-section {
  position: relative;
  padding: var(--space-16) var(--space-4);
  margin: var(--space-16) 0;
  border-radius: var(--radius-xl);
  background: 
    linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url('/images/factory2.webp') center/cover no-repeat;
  color: white;
  box-shadow: none;
}

.comparison-section h2 {
  text-align: center;
  color: white;
  font-weight: 700;
  margin-bottom: var(--space-8);
}

.comparison-table-container {
  overflow-x: auto;
  max-width: 1000px;
  margin: 0 auto;
  background: rgba(0, 0, 0, 0.4); /* subtle dark overlay for contrast */
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background: transparent;
  color: white;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 600;
}

.comparison-table th.highlighted,
.comparison-table td.highlighted {
  background: rgba(0, 174, 255, 0.2);
  color: var(--tsb-electric-blue);
  font-weight: 700;
}

.comparison-table tr:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.founders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.founder-card {
  background: white;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.facility-info {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.facility-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.facility-stat {
  text-align: center;
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.1);
  border-radius: var(--radius-md);
}

.stat-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--tsb-electric-blue);
}

.stat-unit {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-details {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

/* Technology Section */
.tech-features {
  display: grid;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.tech-feature {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-sm);
}

.spec-label {
  font-weight: 500;
  color: var(--color-text-secondary);
}

.spec-value {
  font-weight: 600;
  color: var(--tsb-electric-blue);
}

.monitoring-features ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-3);
  list-style: none;
  margin-top: var(--space-6);
}

.monitoring-features li {
  padding: var(--space-3);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-sm);
  position: relative;
  padding-left: var(--space-8);
}

.monitoring-features li::before {
  content: '✓';
  position: absolute;
  left: var(--space-3);
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

.warranty-section {
  background: linear-gradient(135deg, var(--tsb-electric-blue), var(--tsb-dark-blue));
  color: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  margin-top: var(--space-12);
  text-align: center;
}

.warranty-section h2 {
  color: white;
}

/* Applications Section */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.application-card {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.app-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.application-benefits {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-top: var(--space-16);
}

.benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.benefit-item {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
}

.benefit-item h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

/* Manufacturing Section */
.manufacturing-content {
  display: grid;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.facility-overview {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.manufacturing-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.manufacturing-stat {
  text-align: center;
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.1);
  border-radius: var(--radius-md);
}

.manufacturing-features {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.feature-item {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
}

.feature-item h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

.quality-assurance {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.quality-assurance ul {
  list-style: none;
  margin-top: var(--space-6);
}

.quality-assurance li {
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-sm);
  position: relative;
  padding-left: var(--space-8);
}

.quality-assurance li::before {
  content: '✓';
  position: absolute;
  left: var(--space-3);
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

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

.product-card.featured {
  border: 2px solid var(--tsb-electric-blue);
  box-shadow: var(--glow-blue);
}

.product-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--tsb-electric-blue);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.product-badge.military {
  background: var(--tsb-graphite-black);
}

.product-card h3 {
  padding: var(--space-6) var(--space-6) 0;
  color: var(--color-text);
}

.product-specs {
  padding: 0 var(--space-6);
  margin: var(--space-4) 0;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.spec-row:last-child {
  border-bottom: none;
}

.product-features {
  padding: 0 var(--space-6);
}

.product-features ul {
  list-style: none;
  margin: var(--space-4) 0;
}

.product-features li {
  padding: var(--space-2) 0;
  position: relative;
  padding-left: var(--space-6);
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

.product-card .btn {
  margin: var(--space-6);
  width: calc(100% - var(--space-12));
}

.product-info {
  margin-top: var(--space-16);
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.features-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.feature-column h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid rgba(var(--tsb-electric-blue-rgb), 0.2);
}

.feature-column ul {
  list-style: none;
}

.feature-column li {
  padding: var(--space-2) 0;
  position: relative;
  padding-left: var(--space-6);
}

.feature-column li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

/* Procurement Section */
.procurement-content {
  display: grid;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.procurement-overview {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.procurement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.procurement-card {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.procurement-card h3 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-4);
}

.procurement-card ul {
  list-style: none;
  margin: var(--space-6) 0;
  text-align: left;
}

.procurement-card li {
  padding: var(--space-2) 0;
  position: relative;
  padding-left: var(--space-6);
}

.procurement-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

.warranty-terms {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.terms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.term-item {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
}

.term-item h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

/* Opportunities Section */
.opportunities-content {
  display: grid;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.careers-section {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.job-listings {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.job-card {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--tsb-electric-blue);
}

.job-details {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-3) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.job-location,
.job-type {
  background: rgba(var(--tsb-electric-blue-rgb), 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.vendor-section {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.vendor-requirements ul {
  list-style: none;
  margin-top: var(--space-6);
}

.vendor-requirements li {
  padding: var(--space-2) 0;
  position: relative;
  padding-left: var(--space-6);
}

.vendor-requirements li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.category-item {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
  text-align: center;
}

.category-item h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

/* Impact Section */
.impact-content {
  display: grid;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.esg-overview {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.impact-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.impact-card {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.impact-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.impact-card h3 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-4);
}

.compliance-section {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.compliance-item {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
}

.compliance-item h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-4);
}

.compliance-item ul {
  list-style: none;
}

.compliance-item li {
  padding: var(--space-1) 0;
  position: relative;
  padding-left: var(--space-6);
}

.compliance-item li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

.sustainability-goals {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.goals-timeline {
  margin-top: var(--space-8);
}

.goal-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  position: relative;
}

.goal-item::before {
  content: '';
  position: absolute;
  left: 50px;
  top: 60px;
  bottom: -20px;
  width: 2px;
  background: rgba(var(--tsb-electric-blue-rgb), 0.3);
}

.goal-item:last-child::before {
  display: none;
}

.goal-year {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--tsb-electric-blue), var(--tsb-dark-blue));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
  box-shadow: var(--glow-blue);
}

.goal-content {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--tsb-electric-blue);
}

.goal-content h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.contact-info {
  display: grid;
  gap: var(--space-6);
}

.contact-card {
  background: white;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-card h3 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-4);
}

.contact-details {
  display: grid;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact-item strong {
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.contact-item a {
  color: var(--tsb-electric-blue);
  font-weight: 500;
}

.address p {
  line-height: 1.6;
}

.hours p {
  line-height: 1.8;
}

.contact-form-container {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-6);
  text-align: center;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-md);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--tsb-electric-blue);
  box-shadow: 0 0 0 3px rgba(var(--tsb-electric-blue-rgb), 0.1);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--tsb-electric-blue);
}

.quick-contact {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
  text-align: center;
}

.whatsapp-btn {
  background: #25D366;
  color: white;
  border: none;
}

.whatsapp-btn:hover {
  background: #22C55E;
  color: white;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

/* App Section */
.app-content {
  display: grid;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.app-overview {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.app-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.app-feature {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
  text-align: center;
}

.feature-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.app-feature h3 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

.app-mockup {
  display: flex;
  justify-content: center;
  margin: var(--space-16) 0;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: var(--tsb-graphite-black);
  border-radius: 30px;
  padding: 20px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--tsb-silver-gray);
  border-radius: 2px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 20px;
  overflow: hidden;
}

.app-interface {
  padding: var(--space-6);
  height: 100%;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
}

.app-header h4 {
  color: var(--tsb-electric-blue);
  font-size: var(--font-size-lg);
}

.battery-status {
  background: var(--tsb-electric-blue);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
}

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

.battery-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.battery-metrics {
  display: grid;
  gap: var(--space-4);
}

.metric {
  background: white;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.metric-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.metric-value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--tsb-electric-blue);
}

.app-downloads {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--tsb-graphite-black);
  color: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  min-width: 200px;
}

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

.btn-icon {
  font-size: var(--font-size-2xl);
}

.btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.btn-subtitle {
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

.btn-title {
  font-size: var(--font-size-md);
  font-weight: 600;
}

.ios-btn {
  background: linear-gradient(135deg, #007AFF, #0051D5);
}

.android-btn {
  background: linear-gradient(135deg, #34A853, #137333);
}

.app-requirements {
  margin-top: var(--space-12);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.requirement-item {
  padding: var(--space-6);
  background: rgba(var(--tsb-electric-blue-rgb), 0.05);
  border-radius: var(--radius-md);
  text-align: center;
}

.requirement-item h4 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-3);
}

@media (max-width: 768px) {
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* Privacy Section */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  margin-top: var(--space-12);
}

.privacy-section {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-8);
}

.privacy-section h2 {
  color: var(--tsb-electric-blue);
  margin-bottom: var(--space-6);
}

.privacy-section h3 {
  color: var(--color-text);
  margin: var(--space-6) 0 var(--space-4);
}

.privacy-section ul {
  margin: var(--space-4) 0;
}

.privacy-section li {
  margin-bottom: var(--space-2);
  padding-left: var(--space-4);
  position: relative;
}

.privacy-section li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--tsb-electric-blue);
  font-weight: bold;
}

/* === Footer === */
.footer {
  background-color: #0d0d0d;
  color: #ccc;
  padding: var(--space-12) var(--space-4) var(--space-8);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-12);
  margin-bottom: var(--space-8);
}

.footer-brand {
  flex: 1 1 320px;
  max-width: 360px;
}

.footer-columns {
  display: flex;
  flex: 2 1 600px;
  justify-content: flex-end;
  gap: var(--space-12); /* Adds spacing between the 3 columns */
  flex-wrap: wrap;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 600;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: var(--space-2);
}

.footer-section ul li a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Logo Styling */
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo .logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: brightness(1.2) drop-shadow(0 0 2px rgba(255,255,255,0.1));
}

.footer-logo .company-name {
  color: white;
  font-weight: 600;
  font-size: var(--font-size-md);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: right;
  text-align: right;
  gap: var(--space-2);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.legal-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.legal-links a {
  color: #999;
  font-size: var(--font-size-xs);
  text-decoration: none;
}

.legal-links a:hover {
  color: var(--tsb-electric-blue);
}


@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-columns {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer-brand {
    max-width: 100%;
  }
}

/* Responsive Design */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }

  .section {
    padding: var(--space-12) 0;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .overview-grid,
  .applications-grid,
  .impact-metrics {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    font-size: var(--font-size-sm);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-2);
  }
}

/* Loading and Animation States */
.loading {
  opacity: 0.5;
  pointer-events: none;
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

.mb-0 {
  margin-bottom: 0;
}

.mt-8 {
  margin-top: var(--space-8);
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn--outline {
    border-width: 3px;
  }
  
  .form-control:focus {
    border-width: 3px;
  }
}