: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 */
: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;

  /* Real Estate Theme Colors */
  --color-primary: #2196F3;
  --color-primary-dark: #1976D2;
  --color-primary-light: #64B5F6;
  --color-accent: #FFA726;
  
  /* Background color tokens */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);

  /* Semantic Color Tokens */
  --color-background: var(--color-white);
  --color-surface: var(--color-gray-200);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  
  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --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;

  /* Spacing */
  --space-8: 8px;
  --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;

  /* Shadows */
  --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, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-24);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-24);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-32);
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--duration-fast);
}

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

/* Hero Section with 3D House */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
}

.scene-container {
  position: absolute;
  width: 100%;
  height: 100%;
  perspective: 2000px;
  perspective-origin: 50% 50%;
}

.lighting-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 30% 20%, rgba(255, 223, 186, 0.3) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.sunlight-rays {
  position: absolute;
  top: -10%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 235, 205, 0.4) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
  animation: sunGlow 4s ease-in-out infinite;
}

@keyframes sunGlow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.house-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 600px;
  transform-style: preserve-3d;
}

.house-model {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(-15deg) rotateY(25deg);
  transition: transform 1.2s var(--ease-smooth);
}

/* House Sections */
.house-section {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  opacity: 1;
  transition: opacity 0.6s ease;
}

.house-section.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Exterior View */
.exterior {
  transform: translateZ(0);
}

.house-front {
  position: absolute;
  width: 400px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(0);
  transform-style: preserve-3d;
}

.roof {
  position: absolute;
  width: 450px;
  height: 150px;
  background: linear-gradient(135deg, #5D4E37 0%, #8B7355 100%);
  transform: rotateX(30deg) translateY(-160px) translateZ(50px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  clip-path: polygon(10% 30%, 50% 0%, 90% 30%, 50% 60%);
}

.wall {
  position: absolute;
  width: 400px;
  height: 300px;
  background: linear-gradient(180deg, #F5F5F5 0%, #E0E0E0 100%);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
}

.window {
  position: absolute;
  width: 80px;
  height: 100px;
  background: linear-gradient(135deg, #64B5F6 0%, #42A5F5 100%);
  border: 4px solid #fff;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.1), 0 4px 15px rgba(33, 150, 243, 0.3);
  border-radius: var(--radius-sm);
}

.window.large {
  width: 120px;
  height: 140px;
}

.wall .window:nth-child(1) {
  top: 50px;
  left: 40px;
}

.wall .window:nth-child(2) {
  top: 50px;
  right: 40px;
}

.door {
  position: absolute;
  width: 90px;
  height: 170px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, #8B6F47 0%, #6D5736 100%);
  border: 3px solid #5D4E37;
  border-radius: var(--radius-base) var(--radius-base) 0 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.door::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: #FFD700;
  border-radius: 50%;
  top: 50%;
  right: 15px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.balcony {
  position: absolute;
  width: 200px;
  height: 60px;
  top: 40px;
  right: -20px;
  background: rgba(189, 189, 189, 0.9);
  transform: translateZ(30px) rotateY(-10deg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 2px solid #999;
  border-radius: var(--radius-sm);
}

.house-side {
  position: absolute;
  width: 250px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(-50px) rotateY(90deg) translateX(200px);
  transform-style: preserve-3d;
}

.roof-side {
  position: absolute;
  width: 250px;
  height: 100px;
  background: linear-gradient(135deg, #6D5736 0%, #5D4E37 100%);
  transform: rotateX(30deg) translateY(-160px) translateZ(20px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.wall-side {
  position: absolute;
  width: 250px;
  height: 300px;
  background: linear-gradient(180deg, #E0E0E0 0%, #BDBDBD 100%);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.wall-side .window {
  width: 60px;
  height: 80px;
  top: 60px;
}

.wall-side .window:nth-child(1) {
  left: 40px;
}

.wall-side .window:nth-child(2) {
  left: 140px;
}

.landscape {
  position: absolute;
  width: 600px;
  height: 400px;
  bottom: -150px;
  left: 50%;
  transform: translateX(-50%) translateZ(-100px) rotateX(90deg);
  background: linear-gradient(135deg, #81C784 0%, #66BB6A 100%);
  border-radius: var(--radius-lg);
}

.garden {
  position: absolute;
  width: 200px;
  height: 150px;
  top: 50px;
  left: 50px;
  background: linear-gradient(135deg, #66BB6A 0%, #4CAF50 100%);
  border-radius: 50%;
  box-shadow: inset 0 -5px 20px rgba(0, 0, 0, 0.1);
}

.pool {
  position: absolute;
  width: 250px;
  height: 120px;
  bottom: 80px;
  right: 80px;
  background: linear-gradient(135deg, #4FC3F7 0%, #29B6F6 100%);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 -5px 20px rgba(0, 0, 0, 0.2), 0 5px 20px rgba(33, 150, 243, 0.4);
}

/* Interior Rooms */
.room {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.room-walls {
  position: absolute;
  width: 500px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
}

.room-walls .wall {
  position: absolute;
  width: 500px;
  height: 400px;
}

.room-walls .back {
  background: linear-gradient(180deg, #FAFAFA 0%, #F5F5F5 100%);
  transform: translateZ(-250px);
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.05);
}

.room-walls .left {
  width: 500px;
  background: linear-gradient(90deg, #F5F5F5 0%, #EEEEEE 100%);
  transform: rotateY(90deg) translateZ(-250px);
}

.room-walls .right {
  width: 500px;
  background: linear-gradient(270deg, #F5F5F5 0%, #EEEEEE 100%);
  transform: rotateY(-90deg) translateZ(-250px);
}

.room-walls .floor {
  background: linear-gradient(135deg, #D7CCC8 0%, #BCAAA4 100%);
  transform: rotateX(90deg) translateZ(-200px);
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.1);
}

.room-walls .ceiling {
  background: linear-gradient(135deg, #FFFFFF 0%, #FAFAFA 100%);
  transform: rotateX(-90deg) translateZ(200px);
}

/* Living Room Furniture */
.living-room .room-furniture {
  position: absolute;
  width: 500px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
}

.furniture {
  position: absolute;
  transform-style: preserve-3d;
}

.sofa {
  width: 200px;
  height: 80px;
  background: linear-gradient(135deg, #5C6BC0 0%, #3F51B5 100%);
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateZ(-150px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-base);
}

.table {
  width: 120px;
  height: 80px;
  background: linear-gradient(135deg, #8D6E63 0%, #6D4C41 100%);
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%) translateZ(-80px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
}

.fireplace {
  width: 150px;
  height: 180px;
  background: linear-gradient(180deg, #757575 0%, #424242 100%);
  bottom: 0;
  left: 30px;
  transform: translateZ(-240px);
  box-shadow: inset 0 20px 30px rgba(255, 165, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-base) var(--radius-base) 0 0;
}

.large-window {
  width: 180px;
  height: 250px;
  background: linear-gradient(135deg, #81D4FA 0%, #4FC3F7 100%);
  top: 50px;
  right: 30px;
  transform: translateZ(-240px);
  border: 8px solid #fff;
  box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.1), 0 8px 30px rgba(33, 150, 243, 0.3);
  border-radius: var(--radius-base);
}

/* Kitchen Furniture */
.kitchen-room .room-furniture {
  position: absolute;
  width: 500px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
}

.island {
  width: 200px;
  height: 100px;
  background: linear-gradient(135deg, #E0E0E0 0%, #BDBDBD 100%);
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateZ(-100px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-base);
}

.island::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 20px;
  top: 0;
  background: linear-gradient(135deg, #C5CAE9 0%, #9FA8DA 100%);
  border-radius: var(--radius-sm);
}

.counter {
  width: 250px;
  height: 100px;
  background: linear-gradient(135deg, #EEEEEE 0%, #E0E0E0 100%);
  bottom: 50px;
  right: 30px;
  transform: translateZ(-230px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.appliances {
  width: 80px;
  height: 140px;
  background: linear-gradient(135deg, #CFD8DC 0%, #B0BEC5 100%);
  bottom: 50px;
  left: 40px;
  transform: translateZ(-230px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
}

/* Bedroom Furniture */
.bedroom-room .room-furniture {
  position: absolute;
  width: 500px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
}

.bed {
  width: 240px;
  height: 120px;
  background: linear-gradient(135deg, #C5CAE9 0%, #9FA8DA 100%);
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateZ(-200px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-base);
}

.bed::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 40px;
  bottom: 0;
  background: linear-gradient(135deg, #7986CB 0%, #5C6BC0 100%);
  border-radius: 0 0 var(--radius-base) var(--radius-base);
}

.closet {
  width: 180px;
  height: 220px;
  background: linear-gradient(135deg, #A1887F 0%, #8D6E63 100%);
  bottom: 0;
  right: 30px;
  transform: translateZ(-240px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-base) var(--radius-base) 0 0;
}

.bedroom-room .room-window {
  width: 150px;
  height: 200px;
  background: linear-gradient(135deg, #90CAF9 0%, #64B5F6 100%);
  top: 80px;
  left: 40px;
  transform: translateZ(-240px);
  border: 6px solid #fff;
  box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.1), 0 8px 30px rgba(33, 150, 243, 0.3);
  border-radius: var(--radius-base);
}

/* Interactive Hotspots */
.hotspot {
  position: absolute;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: 10;
  transform: translateZ(100px);
}

.hotspot-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

.hotspot::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
}

.hotspot-info {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.98);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal);
}

.hotspot:hover .hotspot-info {
  opacity: 1;
}

.hotspot-info h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
  color: var(--color-text);
}

.hotspot-info p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Minimap */
.minimap {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 120px;
  height: 100px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-base);
  padding: var(--space-12);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.minimap-house {
  width: 60px;
  height: 50px;
  margin: 0 auto;
  background: linear-gradient(135deg, #BDBDBD 0%, #9E9E9E 100%);
  border-radius: var(--radius-sm);
  position: relative;
}

.minimap-house::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-left: 35px solid transparent;
  border-right: 35px solid transparent;
  border-bottom: 25px solid #757575;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.minimap-camera {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border: 2px solid white;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.5s var(--ease-smooth);
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 var(--space-24);
  margin-top: 300px;
}

.hero-title {
  font-size: 48px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-12);
  text-shadow: 0 2px 20px rgba(255, 255, 255, 0.8);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
}

.hero-price {
  font-size: 36px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.5);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  z-index: 10;
}

.scroll-arrow {
  width: 30px;
  height: 30px;
  margin: 8px auto 0;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: rotate(-45deg) translateY(0);
  }
  40% {
    transform: rotate(-45deg) translateY(-10px);
  }
  60% {
    transform: rotate(-45deg) translateY(-5px);
  }
}

/* Stats Section */
.stats-section {
  padding: 80px 0;
  background: var(--color-background);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-32);
}

.stat-card {
  text-align: center;
  padding: var(--space-32);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-normal), box-shadow var(--duration-normal);
}

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

.stat-number {
  font-size: 48px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.stat-label {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Tour Section */
.tour-section {
  padding: 80px 0;
  background: var(--color-surface);
}

.section-title {
  font-size: 40px;
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 60px;
}

.room-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
  margin-bottom: 40px;
}

.room-btn {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  cursor: pointer;
  transition: all var(--duration-normal);
  text-align: left;
}

.room-btn:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.room-btn.active {
  border-color: var(--color-primary);
  background: rgba(33, 150, 243, 0.05);
}

.room-icon {
  font-size: 36px;
  margin-bottom: var(--space-12);
}

.room-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.room-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.camera-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-16);
  margin-top: 40px;
}

.control-btn {
  width: 60px;
  height: 60px;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--duration-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.control-btn:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.control-btn:active {
  transform: scale(0.95);
}

/* Details Section */
.details-section {
  padding: 80px 0;
  background: var(--color-background);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-24);
  margin-bottom: 60px;
}

.detail-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal), box-shadow var(--duration-normal);
}

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

.detail-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-12);
}

.detail-card p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-20);
}

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

.feature-list li {
  padding: var(--space-8) 0;
  padding-left: var(--space-24);
  position: relative;
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.highlights-section {
  margin-top: 60px;
  text-align: center;
}

.highlights-section h3 {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 40px;
  color: var(--color-text);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-20);
}

.highlight-item {
  background: white;
  padding: var(--space-20);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* Contact Section */
.contact-section {
  padding: 80px 0;
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.contact-info p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.agent-card {
  background: white;
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  gap: var(--space-20);
}

.agent-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: white;
  flex-shrink: 0;
}

.agent-details h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
  color: var(--color-text);
}

.agent-details p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
}

.agent-details a {
  display: block;
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-8);
  transition: color var(--duration-fast);
}

.agent-details a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Contact Form */
.contact-form {
  background: white;
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-20);
}

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

.form-control {
  width: 100%;
  padding: var(--space-12) var(--space-16);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-text);
  transition: border-color var(--duration-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.btn {
  padding: var(--space-16) var(--space-32);
  border: none;
  border-radius: var(--radius-base);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--duration-normal);
  font-family: var(--font-family-base);
}

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

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

.btn--primary:active {
  transform: translateY(0);
}

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

.form-message {
  margin-top: var(--space-16);
  padding: var(--space-12);
  border-radius: var(--radius-base);
  text-align: center;
  font-size: var(--font-size-base);
  display: none;
}

.form-message.success {
  background: rgba(76, 175, 80, 0.1);
  color: #2E7D32;
  border: 1px solid rgba(76, 175, 80, 0.3);
  display: block;
}

.form-message.error {
  background: rgba(244, 67, 54, 0.1);
  color: #C62828;
  border: 1px solid rgba(244, 67, 54, 0.3);
  display: block;
}

/* Footer */
.footer {
  background: var(--color-text);
  color: white;
  padding: var(--space-32) 0;
  text-align: center;
}

.footer p {
  margin: 0;
  opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: var(--space-16);
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-price {
    font-size: 28px;
  }
  
  .house-wrapper {
    width: 100%;
    max-width: 500px;
    height: 400px;
  }
  
  .minimap {
    bottom: 20px;
    right: 20px;
    width: 100px;
    height: 80px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .room-controls {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .section-title {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .nav-content {
    flex-direction: column;
    gap: var(--space-16);
  }
  
  .camera-controls {
    flex-wrap: wrap;
  }
  
  .control-btn {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
}