: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 {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  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 {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  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 */
/* Custom CSS for AlpenAgent - Premium Swiss Design */

/* Brand Colors */
:root {
  --midnight-navy: #0A0F1F;
  --glacier-cyan: #00F0FF;
  --alpine-violet: #7B61FF;
  --mist: #E6F1FF;
  --slate: #1A2136;
  
  /* Additional colors */
  --white: #FFFFFF;
  --gray-100: #F8FAFC;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --container-max: 1200px;
  --section-padding: 6rem 0;
  --card-padding: 2rem;
  
  /* Animation timing */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out-quint: cubic-bezier(0.83, 0, 0.17, 1);
}

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

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

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--white);
  background: var(--midnight-navy);
  overflow-x: hidden;
}

/* Cursor Glow Effect */
@media(min-width:769px) {
  #cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, var(--glacier-cyan) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: screen;
    transition: transform 0.1s ease-out;
    opacity: 0;
  }
}

/* Particles Background */
#particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  background: var(--glacier-cyan);
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.1; }
  90% { opacity: 0.1; }
  100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--glacier-cyan), var(--alpine-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-quart);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--glacier-cyan), var(--alpine-violet));
  color: var(--midnight-navy);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--glacier-cyan);
  color: var(--glacier-cyan);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

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

.btn--glow {
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn--glow:hover {
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 15, 31, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.3s ease;
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.logo-image {
  width: 40px;
  height: 40px;
  transition: all 0.3s ease;
  border-radius: 8px;
}

.logo-image:hover {
  transform: rotate(5deg);
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.logo-triangle {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--glacier-cyan), var(--alpine-violet));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--midnight-navy);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.logo-triangle:hover {
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
  transform: rotate(5deg);
}

.header__nav {
  display: flex;
  gap: 2rem;
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--glacier-cyan);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--glacier-cyan);
}

.nav-link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.language-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  font-family: var(--font-body), 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Twemoji Mozilla', sans-serif;
  background: transparent;
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--white);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  white-space: nowrap;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--glacier-cyan);
  color: var(--midnight-navy);
  border-color: var(--glacier-cyan);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(ellipse at center, rgba(123, 97, 255, 0.1) 0%, var(--midnight-navy) 70%);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%2300F0FF" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%237B61FF" opacity="0.05"/><circle cx="50" cy="10" r="1" fill="%2300F0FF" opacity="0.03"/><circle cx="10" cy="60" r="1" fill="%237B61FF" opacity="0.03"/><circle cx="90" cy="40" r="1" fill="%2300F0FF" opacity="0.04"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero__animation{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.hero-gif, .hero-poster{
  max-width: 1200px;
  width: 100%;
  /* width: clamp(240px, 45vw, 640px); */
  height: auto;
  mix-blend-mode: screen;
  filter: saturate(1.2) brightness(1.05);
}
@media (prefers-reduced-motion: reduce){
  .hero-gif{ display:none; }
  .hero-poster{ display:block; }
}
@media (prefers-reduced-motion: no-preference){
  .hero-poster{ display:none; }
}

/* Reserve space to avoid CLS */
.hero__animation img{ aspect-ratio: 4 / 3; }

.hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__title {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--glacier-cyan), var(--white), var(--alpine-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.typing-text::after {
  content: '|';
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero__subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.hero__badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.badge {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.75rem 1.25rem;
  border-radius: 25px;
  font-size: 0.9rem;
  color: var(--glacier-cyan);
  white-space: nowrap;
  backdrop-filter: blur(10px);
}

.floating {
  animation: floating 3s ease-in-out infinite;
}

.floating[data-delay="200"] {
  animation-delay: 0.5s;
}

.floating[data-delay="400"] {
  animation-delay: 1s;
}

@keyframes floating {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Problem Value Section */
.problem-value {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--midnight-navy) 0%, rgba(26, 33, 54, 0.5) 100%);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.value-card {
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 16px;
  padding: var(--card-padding);
  text-align: center;
  transition: all 0.3s var(--ease-out-quart);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
  transition: left 0.8s;
}

.value-card:hover::before {
  left: 100%;
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
  border-color: var(--glacier-cyan);
}

.value-card__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.card-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out-quart);
}

.card-animate.animate {
  opacity: 1;
  transform: translateY(0);
}

.card-animate[data-delay="200"].animate {
  transition-delay: 0.2s;
}

.card-animate[data-delay="400"].animate {
  transition-delay: 0.4s;
}

.section-cta {
  text-align: center;
}

/* Studies Section */
.studies {
  padding: var(--section-padding);
  background: rgba(123, 97, 255, 0.05);
}

.studies-grid {
  display: grid;
  /* grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); */
  gap: 3rem;
}

.study-item {
  position: relative;
  padding-left: 2rem;
}

.study-item::before {
  content: '"';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 4rem;
  color: var(--glacier-cyan);
  line-height: 1;
}

.study-item blockquote {
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.study-item cite {
  font-size: 0.9rem;
  color: var(--glacier-cyan);
  font-weight: 500;
}
.study-item a{
  color: var(--glacier-cyan);
  line-height: 1;
}

.study-item a svg path {
  stroke: var(--glacier-cyan);
}

.fade-in {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s var(--ease-out-quart);
}

.fade-in.animate {
  opacity: 1;
  transform: translateX(0);
}

.fade-in[data-delay="200"].animate {
  transition-delay: 0.2s;
}

/* Comparison Table */
.comparison {
  padding: var(--section-padding);
  background: var(--midnight-navy);
}

.comparison-table {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(0, 240, 255, 0.05);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 240, 255, 0.1);
  backdrop-filter: blur(10px);
}

/* Table Header */
.comparison-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(123, 97, 255, 0.15));
  border-bottom: 2px solid rgba(0, 240, 255, 0.3);
  padding: 2rem;
  align-items: center;
}

.comparison-feature-header,
.comparison-current-header,
.comparison-alpen-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.comparison-current-header {
  flex-direction: column;
  text-align: center;
  gap: 0.5rem;
}

.comparison-alpen-header {
  flex-direction: column;
  text-align: center;
  gap: 0.5rem;
}

.feature-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.current-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 10px rgba(255, 68, 68, 0.5));
}

.alpen-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.current-badge {
  background: rgba(255, 68, 68, 0.2);
  color: #ff4444;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(255, 68, 68, 0.3);
}

.alpen-badge {
  background: rgba(0, 240, 255, 0.2);
  color: var(--glacier-cyan);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(0, 240, 255, 0.3);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 0 0 5px rgba(0, 240, 255, 0.3);
  }
  50% { 
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
  }
}

/* Table Rows */
.comparison-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(0, 240, 255, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.comparison-row:hover {
  background: rgba(0, 240, 255, 0.03);
  transform: translateY(-1px);
}

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

.comparison-feature {
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
}

.feature-icon-small {
  font-size: 1.2rem;
  opacity: 0.8;
}

.comparison-current,
.comparison-alpen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.status-icon {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.status-text {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.8;
}

.comparison-current .status-icon {
  color: #ff4444;
  filter: drop-shadow(0 0 5px rgba(255, 68, 68, 0.3));
}

.comparison-alpen .status-icon {
  color: var(--glacier-cyan);
  filter: drop-shadow(0 0 5px rgba(0, 240, 255, 0.3));
}

.comparison-current .status-text {
  color: rgba(255, 68, 68, 0.8);
}

.comparison-alpen .status-text {
  color: rgba(0, 240, 255, 0.8);
}

.check-animate {
  opacity: 0;
  transform: scale(0);
  transition: all 0.4s var(--ease-out-quart);
}

.check-animate.animate {
  opacity: 1;
  transform: scale(1);
}

.check-animate[data-delay="200"].animate {
  transition-delay: 0.2s;
}

.check-animate[data-delay="400"].animate {
  transition-delay: 0.4s;
}

.check-animate[data-delay="600"].animate {
  transition-delay: 0.6s;
}

.check-animate[data-delay="800"].animate {
  transition-delay: 0.8s;
}

/* How It Works */
.how-it-works {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--midnight-navy) 0%, rgba(26, 33, 54, 0.8) 100%);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.step-card {
  background: rgba(123, 97, 255, 0.1);
  border: 2px solid rgba(123, 97, 255, 0.3);
  border-radius: 16px;
  padding: var(--card-padding);
  text-align: center;
  position: relative;
  transition: all 0.4s var(--ease-out-quart);
  backdrop-filter: blur(10px);
}

.step-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(123, 97, 255, 0.3);
  border-color: var(--alpine-violet);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--glacier-cyan), var(--alpine-violet));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--midnight-navy);
}

.step-icon {
  font-size: 3rem;
  margin: 1rem 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.step-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s var(--ease-out-quart);
}

.step-animate.animate {
  opacity: 1;
  transform: translateY(0);
}

.step-animate[data-delay="200"].animate {
  transition-delay: 0.2s;
}

.step-animate[data-delay="400"].animate {
  transition-delay: 0.4s;
}

/* Use Cases */
.use-cases {
  padding: var(--section-padding);
  background: rgba(123, 97, 255, 0.05);
}

.use-case-card {
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 16px;
  padding: var(--card-padding);
  transition: all 0.3s var(--ease-out-quart);
  backdrop-filter: blur(10px);
}

.use-case-icon {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 1rem;
}

.use-case-card h3 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--glacier-cyan);
}

.use-case-card ul {
  list-style: none;
  padding: 0;
}

.use-case-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.use-case-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--glacier-cyan);
  font-weight: bold;
}

.hover-scale {
  transition: all 0.3s var(--ease-out-quart);
}

.hover-scale:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
}

.disclaimer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
}

/* Other Agents */
.other-agents {
  padding: var(--section-padding);
  background: var(--midnight-navy);
}

.agents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.agent-item {
  background: rgba(123, 97, 255, 0.1);
  border: 1px solid rgba(123, 97, 255, 0.3);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  font-weight: 500;
  transition: all 0.3s ease;
}

.agent-item:hover {
  background: rgba(123, 97, 255, 0.2);
  border-color: var(--alpine-violet);
  transform: translateY(-2px);
}

.section-note {
  text-align: center;
  font-style: italic;
  color: rgba(255, 255, 255, 0.7);
}

/* Results Calculator */
.results {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--midnight-navy) 0%, rgba(26, 33, 54, 0.8) 100%);
}

.calculator-card {
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 16px;
  padding: var(--card-padding);
  max-width: 800px;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}

.calculator-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.input-group {
  position: relative;
}

.input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--glacier-cyan);
}

.input-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.05);
  color: var(--white);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.input-group input:focus {
  outline: none;
  border-color: var(--glacier-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
}

.calculator-results {
  border-top: 1px solid rgba(0, 240, 255, 0.2);
  padding-top: 2rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 240, 255, 0.1);
}

.result-item:last-child {
  border-bottom: none;
}

.result-item.highlight {
  background: rgba(0, 240, 255, 0.1);
  margin: 0 -1rem;
  padding: 1rem;
  border-radius: 8px;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--glacier-cyan);
}

.calculator-note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
}

/* Compliance */
.compliance {
  padding: var(--section-padding);
  background: rgba(123, 97, 255, 0.05);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.compliance-item {
  text-align: center;
}

.compliance-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.compliance-item h3 {
  color: var(--glacier-cyan);
  margin-bottom: 0.5rem;
}

/* FAQ */
.faq {
  padding: var(--section-padding);
  background: var(--midnight-navy);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: var(--glacier-cyan);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--glacier-cyan);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 0 1.5rem 0;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* About Founder */
.about {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--midnight-navy) 0%, rgba(26, 33, 54, 0.8) 100%);
}

.founder-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
  align-items: center;
}

.founder-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--glacier-cyan);
  flex-shrink: 0;
}

.founder-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.founder-content h3 {
  color: var(--glacier-cyan);
  margin-bottom: 0.5rem;
}

.founder-title {
  color: var(--alpine-violet);
  font-weight: 500;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Contact Form */
.contact {
  padding: var(--section-padding);
  background: rgba(123, 97, 255, 0.05);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.05);
  color: var(--white);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--glacier-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
}

.form-control:focus + label,
.form-control:not(:placeholder-shown) + label {
  transform: translateY(-25px) scale(0.8);
  color: var(--glacier-cyan);
}

.form-group label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
  pointer-events: none;
}


/* Fix pointer events for checkbox label so text is clickable */
.form-group .checkbox-label { pointer-events: auto; position: relative; z-index: 2; }
.form-group .checkbox-label a { color: var(--glacier-cyan); text-decoration: underline; }
.contact-form .btn.btn--full-width { margin-top: 1rem; position: relative; z-index: 1; }
/* Improved Checkbox Styling */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  position: relative;
  padding: 0;
  margin-top: 0.5rem;
  font-size: 0.95rem;
  line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 240, 255, 0.5);
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.05);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:hover {
  border-color: var(--glacier-cyan);
  background: rgba(0, 240, 255, 0.1);
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--glacier-cyan);
  border-color: var(--glacier-cyan);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--midnight-navy);
  font-weight: bold;
  font-size: 12px;
  line-height: 1;
}

.checkbox-label input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
}

.checkbox-label span:not(.checkmark) {
  color: rgba(255, 255, 255, 0.8);
}

.checkbox-label a {
  color: var(--glacier-cyan);
  text-decoration: underline;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 1;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background: var(--midnight-navy);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 16px;
  padding: 2rem;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  margin: 2rem;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--glacier-cyan);
  font-size: 2rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--white);
}

.modal-content h2 {
  color: var(--glacier-cyan);
  margin-bottom: 1.5rem;
}

.modal-content h3 {
  color: var(--alpine-violet);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.modal-content p,
.modal-content li {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.modal-content ul {
  padding-left: 1.5rem;
}

/* Footer */
.footer {
  background: var(--slate);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.footer-brand .logo-triangle {
  width: 30px;
  height: 30px;
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
  cursor: pointer;
}

.footer-links a:hover {
  color: var(--glacier-cyan);
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background: var(--glacier-cyan);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

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

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 15, 31, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  overflow-y: auto;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: var(--glacier-cyan);
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  transition: color 0.3s ease;
}

.mobile-menu-close:hover {
  color: var(--white);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  /* align-items: center; */
  justify-content: center;
  min-height: auto;
  padding: 2rem;
  gap: 10px;
}

.mobile-nav-link {
  color: var(--white);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
  text-align: center;
}

.mobile-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--glacier-cyan);
  transition: width 0.3s ease;
}

.mobile-nav-link:hover {
  color: var(--glacier-cyan);
}

.mobile-nav-link:hover::after {
  width: 100%;
}

.mobile-nav-actions {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.mobile-language-switcher {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  width: 100%;
  max-width: 300px;
}

.mobile-lang-btn {
  background: transparent;
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--white);
  padding: 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body), 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Twemoji Mozilla', sans-serif;
}

.mobile-lang-btn .flag {
  display: inline-block;
  width: 18px;
  height: 12px;
  margin-right: 8px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.25) inset;
  background-size: cover;
  background-position: center;
}

.mobile-lang-btn.active,
.mobile-lang-btn:hover {
  background: var(--glacier-cyan);
  color: var(--midnight-navy);
  border-color: var(--glacier-cyan);
}

.mobile-cta-btn {
  /* margin-top: 1rem; */
  width: 100%;
  max-width: 300px;
  text-align: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 1rem;
  }
  
  .header__content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
  }
  
  .header__nav {
    display: none;
  }
  
  .header__actions {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: 120px;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__badges {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
  
  .cards-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .founder-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  
  .modal-content {
    margin: 1rem;
    max-height: 90vh;
  }
}

@media (max-width: 640px) {
  .comparison-table {
    margin: 0 1rem;
  }
  
  .comparison-header {
    padding: 1.5rem 1rem;
    gap: 10px;
    text-align: center;
  }

  .comparison-feature-header,
  .comparison-current-header,
  .comparison-alpen-header {
    justify-content: center;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 13px;;
  }
  .comparison-feature-header {
    flex-direction: row;
  }
  
  .comparison-row {
    padding: 1.5rem 1rem;
    gap: 10px;
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    text-align: center;
  }
  
  .comparison-feature {
    flex-direction: column;
    justify-content: center;
    font-size: 12px;
    gap: 8px;
    /* max-width: 130px; */
  }

  .alpen-badge, .current-badge {
    padding: 0.25rem 8px;
    border-radius: 12px;
    font-size: 9px;
  }

  .status-icon {
    font-size: 1.2rem;
  }
  
  /* .comparison-current,
  .comparison-alpen {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  } */
  
  /* .comparison-current {
    background: rgba(255, 68, 68, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 68, 68, 0.2);
  }
  
  .comparison-alpen {
    background: rgba(0, 240, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 240, 255, 0.2);
  }  */
  /* 
  
  
  
  
  
    */
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }
  
  .header__content {
    padding: 0.75rem 0;
  }
  
  .header__logo {
    font-size: 1rem;
  }
  
  .logo-image {
    width: 32px;
    height: 32px;
  }
  
  .mobile-menu-toggle {
    width: 26px;
    height: 26px;
  }
  
  .mobile-menu-toggle span {
    height: 2px;
  }
  
  .mobile-nav-link {
    font-size: 1.25rem;
  }
  
  .mobile-language-switcher {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .mobile-lang-btn {
    padding: 0.6rem;
    font-size: 0.85rem;
  }
  
  
  .hero {
    padding-top: 100px;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__subtitle {
    font-size: 1rem;
  }
  
  .btn--lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  .language-switcher {
    gap: 0.25rem;
  }
  
  .lang-btn {
  font-family: var(--font-body), 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Twemoji Mozilla', sans-serif;
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
  }
  
  .nav-link {
    font-size: 0.9rem;
  }
}

/* Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out-quart);
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }

/* Footer logo image sizing */
.footer-logo { width: 30px; height: 30px; border-radius: 6px; }


/* Mobile readability */
@media (max-width: 480px) {
  .value-card p, .use-case-card li, .faq-answer p, .section-note, .disclaimer {
    color: rgba(255,255,255,0.92);
  }
  .value-card, .calculator-card, .badge {
    backdrop-filter: blur(6px);
  }
}


/* Mobile readability overrides */
@media (max-width: 640px){
  .value-card h3, .value-card p,
  .feature-card h3, .feature-card p,
  .benefit-card h3, .benefit-card p {
    color: rgba(255,255,255,.96) !important;
    -webkit-text-fill-color: initial;
    text-shadow: none !important;
  }
}

.ai-scene{display:none!important}


/* Flag icons via SVG data URIs (robust across platforms) */
.lang-btn .flag{display:inline-block;width:18px;height:12px;margin-right:8px;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.25) inset;background-size:cover;background-position:center}
.flag-de{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='18' height='12' viewBox='0 0 3 2'><rect width='3' height='2' fill='%23000'/><rect y='0.666' width='3' height='0.666' fill='%23dd0000'/><rect y='1.333' width='3' height='0.667' fill='%23ffce00'/></svg>")}
.flag-gb{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 36'><clipPath id='c'><path d='M0 0h60v36H0z'/></clipPath><path fill='%23012a6a' d='M0 0h60v36H0z'/><path stroke='%23fff' stroke-width='6' d='M0 0l60 36M60 0L0 36' clip-path='url(%23c)'/><path stroke='%23c8102e' stroke-width='4' d='M0 0l60 36M60 0L0 36' clip-path='url(%23c)'/><path fill='%23fff' d='M26 0h8v36h-8zM0 14h60v8H0z'/><path fill='%23c8102e' d='M28 0h4v36h-4zM0 16h60v4H0z'/></svg>")}
.flag-fr{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='18' height='12' viewBox='0 0 3 2'><rect width='1' height='2' fill='%230035a9'/><rect x='1' width='1' height='2' fill='%23fff'/><rect x='2' width='1' height='2' fill='%23ed2939'/></svg>")}
.flag-it{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='18' height='12' viewBox='0 0 3 2'><rect width='1' height='2' fill='%23009646'/><rect x='1' width='1' height='2' fill='%23fff'/><rect x='2' width='1' height='2' fill='%23ce2b37'/></svg>")}


@media (max-width: 640px){
  .step-card h3, .step-card p{color:rgba(255,255,255,.96)!important;-webkit-text-fill-color:initial;text-shadow:none}
}

.form-status{margin-top:12px;font-size:14px;opacity:.9}


/* Ensure dropdown options remain legible on system white menus */
select.form-control option,
select.form-control optgroup {
  color: #0A0F1F;            /* dark text for contrast */
  background-color: #FFFFFF; /* many browsers use white option menus */
}

.socials{
  display: flex;
  gap: 6px;
  flex-wrap:wrap;
  margin-top: 1rem;
  justify-content: center;
}

/* Cookie Banner */
.cookie-banner { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9999; background: rgba(var(--color-slate-900-rgb, 19,52,59), 0.98); color: var(--color-white); }
.cookie-banner.hidden { display: none; }
.cookie-banner__inner { max-width: 1100px; margin: 0 auto; padding: 1rem; display: flex; gap: 1rem; align-items: center; }
.cookie-banner__text { flex: 1; font-size: 0.95rem; line-height: 1.4; }
.cookie-banner__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }
.cookie-banner .btn { font-size: 0.9rem; padding: 0.6rem 0.9rem; border-radius: 10px; }
.cookie-banner .btn--secondary { background: transparent; border: 1px solid rgba(255,255,255,0.5); color: var(--color-white); }
.cookie-banner .btn--ghost { background: transparent; border: 1px dashed rgba(255,255,255,0.35); color: var(--color-white); }
@media (max-width: 640px){
  .cookie-banner__inner { flex-direction: column; align-items: stretch; }
  .cookie-banner__actions { justify-content: stretch; }
  .cookie-banner .btn { width: 100%; }
}