: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 */
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    /* iOS safe area support */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
}

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

/* CSS Custom Property for Dynamic VH */
:root {
    --vh: 1vh;
}

/* Color Variables */
:root {
    --primary-color: #1a2942;
    --accent-gold: #d4af37;
    --white: #ffffff;
    --light-gray: #f5f7fa;
    --medium-gray: #e0e4e8;
    --text-dark: #1a2942;
    --text-light: #5a6c7d;
    --border-color: #d1d9e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    top: env(safe-area-inset-top, 0);
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
    will-change: transform;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Page Sections */
.page {
    display: none;
    min-height: 100vh;
    padding-top: 70px;
}

.page.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(26, 41, 66, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 15px;
    color: var(--accent-gold);
    letter-spacing: 1px;
}

.hero-text {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
    -webkit-touch-callout: none;
    user-select: none;
    -webkit-user-select: none;
    will-change: transform;
}

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

.btn-primary:hover {
    background: #c29d2e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

@media (hover: none) and (pointer: coarse) {
    .btn-primary:hover {
        transform: none;
    }
    .btn-primary:active {
        transform: scale(0.98);
        background: #c29d2e;
    }
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-gold);
    border-radius: 2px;
}

.section-text {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    padding: 80px 0 60px;
    text-align: center;
    color: var(--white);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--white);
}

.page-subtitle {
    font-size: 1.3rem;
    color: var(--accent-gold);
    font-weight: 400;
}

/* Introduction Section */
.intro-section {
    text-align: center;
    margin-bottom: 60px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.stat-card {
    background: var(--white);
    padding: 40px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--accent-gold);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.stat-number {
    display: inline-block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-suffix {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-left: 5px;
}

.stat-label {
    margin-top: 15px;
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Featured Section */
.featured-section {
    margin-top: 80px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 0;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    border-top: 4px solid var(--accent-gold);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-top-width: 6px;
}

.feature-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.feature-card:hover .feature-image img {
    transform: scale(1.1);
}

.feature-card h3,
.feature-card p {
    padding: 0 30px;
}

.feature-card h3 {
    margin-top: 25px;
    margin-bottom: 15px;
}

.feature-card p {
    padding-bottom: 30px;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* About Page Styles */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
    align-items: start;
}

.about-content h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.certification-badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

.badge-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gold);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.badge-content h3 {
    color: var(--white);
    margin-bottom: 10px;
}

.badge-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.vision-mission {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.vm-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--accent-gold);
}

.vm-card h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.vm-card p {
    line-height: 1.8;
}

.founder-section {
    margin: 60px 0;
}

.founder-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    padding: 50px;
    border-radius: 12px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.founder-info h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 10px;
}

.founder-title {
    color: var(--accent-gold);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.founder-description {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    font-size: 1.1rem;
}

.values-section {
    margin-top: 60px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.value-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* Products Page Styles */
.product-category {
    margin-bottom: 80px;
}

.category-title {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--primary-color);
    padding-bottom: 15px;
    border-bottom: 3px solid var(--accent-gold);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.product-card.highlight {
    border: 2px solid var(--accent-gold);
}

.product-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.product-icon.large {
    font-size: 4rem;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.product-spec {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.product-card p {
    line-height: 1.7;
}

.rdso-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-gold);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.centrifugal-highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    padding: 60px;
    border-radius: 12px;
    text-align: center;
    color: var(--white);
}

.centrifugal-highlight h3 {
    color: var(--white);
    margin: 20px 0;
    font-size: 2rem;
}

.centrifugal-highlight p {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.9;
    font-size: 1.1rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Capabilities Page Styles */
.capability-section {
    margin-bottom: 80px;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.capability-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent-gold);
}

.capability-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.capability-card ul {
    list-style: none;
}

.capability-card li {
    padding: 12px 0;
    padding-left: 30px;
    color: var(--text-light);
    position: relative;
    line-height: 1.6;
}

.capability-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.2rem;
}

.infrastructure-section {
    margin-bottom: 80px;
}

.infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.infra-category {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.infra-category h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.4rem;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-gold);
}

.infra-category ul {
    list-style: none;
}

.infra-category li {
    padding: 10px 0;
    padding-left: 25px;
    color: var(--text-light);
    position: relative;
}

.infra-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1;
}

.quality-section {
    margin-bottom: 60px;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.quality-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.quality-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.quality-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.quality-card ul {
    text-align: left;
}

.quality-card li {
    padding: 8px 0;
    padding-left: 25px;
    color: var(--text-light);
    position: relative;
}

.quality-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: 700;
}

.iso-certification {
    margin-top: 50px;
}

.iso-badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    padding: 50px;
    border-radius: 12px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.iso-badge h3 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.iso-badge p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
}

/* Clients Page Styles */
.clients-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.clients-intro p {
    font-size: 1.15rem;
    line-height: 1.8;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.client-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--medium-gray);
}

.client-card.featured {
    border-top-color: var(--accent-gold);
    border-top-width: 5px;
}

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

.client-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.client-header h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.client-since {
    background: var(--accent-gold);
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.client-card p {
    line-height: 1.8;
}

.testimonial-section {
    margin-top: 60px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gold);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.benefit-item h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

/* Contact Page Styles */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.contact-form-container h2,
.contact-info-container h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 2rem;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--light-gray);
    min-height: 44px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 36px;
    cursor: pointer;
}

.form-group select option {
    padding: 10px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    display: none;
    font-weight: 500;
}

.form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-content h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.info-content a {
    color: var(--text-light);
    font-size: 1.05rem;
}

.info-content a:hover {
    color: var(--accent-gold);
}

.business-hours {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.business-hours h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.business-hours p {
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 500;
}

.whatsapp-contact-card {
    background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    color: var(--white);
}

.whatsapp-contact-card h3 {
    color: var(--white);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.whatsapp-contact-card p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 25px;
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--white);
    color: #25d366;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.social-links {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.social-links h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 45px;
    height: 45px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-gold);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-tagline {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 15px;
    font-style: italic;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
}

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

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: calc(30px + env(safe-area-inset-bottom, 0px));
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

.scroll-top.visible {
    display: flex;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: calc(100px + env(safe-area-inset-bottom, 0px));
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 998;
    transition: var(--transition);
    animation: pulse 2s infinite;
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-float {
        animation: none;
    }
}

.whatsapp-float:hover {
    background: #20ba5a;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
}

/* Live Chat Widget */
.chat-widget {
    position: fixed;
    bottom: calc(30px + env(safe-area-inset-bottom, 0px));
    right: 110px;
    z-index: 997;
}

.chat-button {
    width: 60px;
    height: 60px;
    background: var(--accent-gold);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

.chat-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4444;
    color: var(--white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid var(--white);
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 550px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.chat-window.active {
    display: flex;
}

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

.chat-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3e5f 100%);
    color: var(--white);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-info h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.chat-status {
    font-size: 0.85rem;
    color: #4ade80;
    display: flex;
    align-items: center;
    gap: 5px;
}

.chat-close {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: var(--transition);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--light-gray);
}

.chat-message {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

.chat-message.bot {
    align-items: flex-start;
}

.chat-message.user {
    align-items: flex-end;
    margin-left: auto;
}

.message-content {
    background: var(--white);
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.5;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.chat-message.bot .message-content {
    border-bottom-left-radius: 4px;
    background: var(--white);
}

.chat-message.user .message-content {
    border-bottom-right-radius: 4px;
    background: var(--accent-gold);
    color: var(--primary-color);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 5px;
    padding: 0 5px;
}

.chat-quick-replies {
    padding: 15px 20px;
    background: var(--white);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid var(--border-color);
}

.quick-reply {
    padding: 8px 14px;
    background: var(--light-gray);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-dark);
    white-space: nowrap;
}

.quick-reply:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--primary-color);
}

.chat-input-container {
    padding: 15px 20px;
    background: var(--white);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 24px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.chat-send {
    width: 44px;
    height: 44px;
    background: var(--accent-gold);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chat-send:hover {
    background: #c29d2e;
    transform: scale(1.05);
}

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

/* Scrollbar for chat messages */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--light-gray);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--medium-gray);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* Lazy loading placeholder */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* High DPI / Retina Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .feature-image img,
    .nav-logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Tablet Landscape - iPad */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}

/* Tablet Portrait */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        top: calc(70px + env(safe-area-inset-top, 0px));
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px - env(safe-area-inset-top, 0px));
        background: var(--white);
        flex-direction: column;
        padding: 40px 0;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-link {
        padding: 16px 24px;
        font-size: 1.1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .certification-badge {
        position: static;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Large */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid,
    .featured-grid,
    .capability-grid,
    .infrastructure-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile Medium - Standard Smartphones */
@media (max-width: 640px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero {
        height: 500px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .page-title {
        font-size: 2rem;
    }

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

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

    .infrastructure-grid,
    .capability-grid {
        grid-template-columns: 1fr;
    }

    /* Mobile adjustments for WhatsApp and Chat */
    .whatsapp-float {
        bottom: calc(80px + env(safe-area-inset-bottom, 0px));
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .chat-widget {
        right: 20px;
        bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    }

    .chat-button {
        width: 56px;
        height: 56px;
    }

    .chat-window {
        position: fixed;
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 90vh;
        max-height: calc(100vh - env(safe-area-inset-top, 0px));
        border-radius: 12px 12px 0 0;
    }
    
    .scroll-top {
        bottom: calc(20px + env(safe-area-inset-bottom, 0px));
        right: 20px;
        width: 48px;
        height: 48px;
    }
}

/* Mobile Small - iPhone SE, Small Phones */
@media (max-width: 414px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}

/* Mobile Extra Small - Very Small Phones */
@media (max-width: 375px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* Landscape Orientation - Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        height: 400px;
    }
    
    .page-header {
        padding: 60px 0 40px;
    }
    
    .chat-window {
        height: 100vh;
    }
}

/* Ultra-wide Displays */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
    
    html {
        font-size: 18px;
    }
}

/* 4K and 5K Displays */
@media (min-width: 2560px) {
    .container {
        max-width: 1800px;
    }
    
    html {
        font-size: 20px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .whatsapp-float,
    .chat-widget,
    .scroll-top,
    .hero-buttons {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .page {
        page-break-inside: avoid;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --light-gray: #2d2d2d;
        --medium-gray: #3d3d3d;
        --text-dark: #ffffff;
        --text-light: #b0b0b0;
        --border-color: #404040;
    }
    
    body {
        background-color: #121212;
        color: #e0e0e0;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .nav-link,
    .btn,
    .social-icon,
    .quick-reply,
    .info-item a {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .feature-card:hover,
    .product-card:hover,
    .client-card:hover {
        transform: none;
    }
    
    /* Add active states instead */
    .feature-card:active,
    .product-card:active,
    .client-card:active {
        transform: scale(0.98);
    }

    .chat-quick-replies {
        flex-wrap: wrap;
    }

    .quick-reply {
        font-size: 0.8rem;
        padding: 10px 14px;
        min-height: 40px;
    }
    
    /* Increase touch targets on mobile */
    .info-item a,
    .footer-links a,
    .social-icon {
        min-height: 48px;
        display: inline-flex;
        align-items: center;
    }
}

/* Ripple Animation for Touch Devices */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Screen Reader Only Class */
.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;
}

/* iOS Specific Optimizations */
.ios-device {
    -webkit-text-size-adjust: 100%;
}

.ios-device input,
.ios-device textarea,
.ios-device select {
    border-radius: 8px;
}

.ios-device .btn {
    border-radius: 10px;
}

/* Android Specific Optimizations */
.android-device {
    text-rendering: optimizeLegibility;
}

.android-device .btn {
    font-weight: 600;
}

/* Mac Specific Optimizations */
.mac-device {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Windows Specific Optimizations */
.windows-device {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.6;
    cursor: wait;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Connection Status Indicator */
.offline-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ff4444;
    color: white;
    padding: 10px;
    text-align: center;
    font-weight: 600;
    z-index: 10000;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.offline-indicator.show {
    transform: translateY(0);
}

/* Focus Visible Enhancement */
*:focus-visible {
    outline: 3px solid var(--accent-gold);
    outline-offset: 2px;
}

/* Skip to Content Link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-gold);
    color: var(--primary-color);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10001;
    border-radius: 0 0 4px 0;
}

.skip-to-content:focus {
    top: 0;
}

/* GPU Acceleration for Smooth Animations */
.feature-card,
.product-card,
.client-card,
.btn,
.nav-menu,
.chat-window,
.whatsapp-float,
.scroll-top {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --text-dark: #000000;
        --text-light: #000000;
        --border-color: #000000;
    }
    
    .btn-primary {
        border: 2px solid #000000;
    }
    
    .nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link:focus {
        border-color: #000000;
    }
}

/* Custom Scrollbar for Better UX */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Smooth Scrolling for iOS */
.page,
.chat-messages,
.nav-menu {
    -webkit-overflow-scrolling: touch;
}

/* Selection Color */
::selection {
    background: var(--accent-gold);
    color: var(--primary-color);
}

::-moz-selection {
    background: var(--accent-gold);
    color: var(--primary-color);
}