:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 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 {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 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(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 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(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

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

/* 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://www.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-16);
}

.loading-screen p {
    color: white;
    font-size: var(--font-size-lg);
    margin: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--duration-normal) var(--ease-standard);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-16) 0;
}

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

.nav__logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    background: linear-gradient(135deg, #003366, #0066CC);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.nav__menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-32);
}

.nav__item {
    position: relative;
}

.nav__link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    padding: var(--space-8) 0;
    position: relative;
    transition: color var(--duration-fast) var(--ease-standard);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
}

/* Dropdown Menu */
.dropdown__menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-8) 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-normal) var(--ease-standard);
    box-shadow: var(--shadow-lg);
}

.nav__item:hover .dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown__menu li {
    list-style: none;
}

.dropdown__menu a {
    display: block;
    padding: var(--space-8) var(--space-16);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color var(--duration-fast) var(--ease-standard);
}

.dropdown__menu a:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

/* Mobile Navigation Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-8);
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text);
    margin: 3px 0;
    transition: all var(--duration-normal) var(--ease-standard);
}

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Main Content */
.main {
    padding-top: 80px;
}

/* Page Management */
.page {
    display: none;
    min-height: calc(100vh - 80px);
    animation: fadeIn 0.5s ease-in-out;
}

.page--active {
    display: block;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #003366 0%, #0066CC 100%);
    color: white;
    padding: var(--space-32) 0;
    text-align: center;
}

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

.hero__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-24);
    line-height: var(--line-height-tight);
}

.hero__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-32);
    opacity: 0.9;
    line-height: var(--line-height-normal);
}

.hero__cta {
    display: flex;
    gap: var(--space-16);
    justify-content: center;
    flex-wrap: wrap;
}

/* Statistics Section */
.stats {
    padding: var(--space-32) 0;
    background: var(--color-surface);
}

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

.stat__item {
    padding: var(--space-24);
}

.stat__number {
    font-size: var(--font-size-4xl);
    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);
}

/* Services Overview */
.services-overview {
    padding: var(--space-32) 0;
}

.section__title {
    text-align: center;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-32);
    color: var(--color-text);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-24);
}

.service__card {
    background: var(--color-surface);
    padding: var(--space-24);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-standard);
    cursor: pointer;
}

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

.service__icon {
    font-size: 3rem;
    margin-bottom: var(--space-16);
    display: block;
}

.service__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-12);
    color: var(--color-text);
}

.service__description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

/* Page Headers */
.page-header {
    text-align: center;
    padding: var(--space-32) 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-32);
}

.page-header h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-16);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin: 0;
}

/* About Page */
.about__content {
    max-width: 800px;
    margin: 0 auto;
}

.about__story,
.about__mission {
    margin-bottom: var(--space-32);
}

.about__story h2,
.about__mission h2 {
    color: var(--color-primary);
    margin-bottom: var(--space-16);
}

.partners__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-16);
    margin-top: var(--space-16);
}

.partner__item {
    background: var(--color-surface);
    padding: var(--space-16);
    border-radius: var(--radius-base);
    text-align: center;
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--color-border);
}

/* Services Detailed */
.services__detailed {
    display: flex;
    flex-direction: column;
    gap: var(--space-24);
}

.service__detailed-card {
    display: flex;
    align-items: center;
    background: var(--color-surface);
    padding: var(--space-24);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-standard);
    cursor: pointer;
}

.service__detailed-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.service__icon-large {
    font-size: 4rem;
    margin-right: var(--space-24);
    flex-shrink: 0;
}

.service__content {
    flex-grow: 1;
}

.service__content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-12);
    color: var(--color-text);
}

.service__content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-16);
}

/* Service Detail Pages */
.service-page {
    padding: var(--space-24) 0;
}

.breadcrumb {
    margin-bottom: var(--space-24);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.service-detail h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-16);
    color: var(--color-primary);
}

.service-detail__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-32);
    color: var(--color-text-secondary);
}

.service-detail__features,
.service-detail__packages,
.service-detail__plans {
    margin-bottom: var(--space-32);
}

.service-detail__features h2,
.service-detail__packages h2,
.service-detail__plans h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-16);
    color: var(--color-text);
}

.service-detail__features ul {
    list-style: none;
    padding: 0;
}

.service-detail__features li {
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    padding-left: var(--space-24);
}

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

.packages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-16);
}

.package__card {
    background: var(--color-surface);
    padding: var(--space-20);
    border-radius: var(--radius-base);
    border: 1px solid var(--color-border);
    text-align: center;
}

.package__card h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-12);
}

.package__speed {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-8);
}

.plans__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.plan__item {
    padding: var(--space-16);
    background: var(--color-surface);
    border-radius: var(--radius-base);
    border: 1px solid var(--color-border);
}

.service-detail__cta {
    text-align: center;
    margin-top: var(--space-32);
}

/* FAQ Styles */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    margin-bottom: var(--space-16);
    overflow: hidden;
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-20);
    background: var(--color-surface);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-standard);
}

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

.faq__question h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.faq__toggle {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    font-weight: bold;
    transition: transform var(--duration-normal) var(--ease-standard);
}

.faq__item.active .faq__toggle {
    transform: rotate(45deg);
}

.faq__answer {
    padding: 0 var(--space-20);
    max-height: 0;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}

.faq__item.active .faq__answer {
    padding: var(--space-20);
    max-height: 200px;
}

/* Contact Page */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-32);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-24);
}

.contact__item h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-8);
    font-size: var(--font-size-lg);
}

.contact__item p {
    margin: 0;
    color: var(--color-text);
}

.contact__item a {
    color: var(--color-primary);
    text-decoration: none;
}

.contact__item a:hover {
    text-decoration: underline;
}

/* Form Styles */
.form {
    background: var(--color-surface);
    padding: var(--space-24);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-4);
    display: none;
}

.form-error.show {
    display: block;
}

.form-control.error {
    border-color: var(--color-error);
}

.form-control.success {
    border-color: var(--color-success);
}

/* Footer */
.footer {
    background: #003366;
    color: white;
    padding: var(--space-32) 0 var(--space-16) 0;
    margin-top: var(--space-32);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-32);
    margin-bottom: var(--space-24);
}

.footer__section h3,
.footer__section h4 {
    color: white;
    margin-bottom: var(--space-16);
}

.footer__section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-normal);
}

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

.footer__section li {
    margin-bottom: var(--space-8);
}

.footer__section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
}

.footer__section a:hover {
    color: white;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--space-16);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-20);
    right: var(--space-20);
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
    z-index: 100;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-surface);
        flex-direction: column;
        padding: var(--space-16);
        border-top: 1px solid var(--color-border);
        transform: translateY(-100%);
        transition: transform var(--duration-normal) var(--ease-standard);
        gap: var(--space-16);
        box-shadow: var(--shadow-lg);
    }

    .nav__menu.active {
        transform: translateY(0);
    }

    .nav__toggle {
        display: flex;
    }

    .dropdown__menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--color-secondary);
        margin-top: var(--space-8);
        border-radius: var(--radius-base);
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

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

    .hero__cta .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .service__detailed-card {
        flex-direction: column;
        text-align: center;
    }

    .service__icon-large {
        margin-right: 0;
        margin-bottom: var(--space-16);
    }

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

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

    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-16);
    }

    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: var(--space-12) 0;
    }

    .nav__logo {
        font-size: var(--font-size-xl);
    }

    .nav__tagline {
        display: none;
    }

    .hero {
        padding: var(--space-24) 0;
    }

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

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

    .stat__number {
        font-size: var(--font-size-3xl);
    }

    .page-header {
        padding: var(--space-20) 0;
    }

    .page-header h1 {
        font-size: var(--font-size-2xl);
    }
}

/* PWA Specific Styles */
@media (display-mode: standalone) {
    .header {
        padding-top: env(safe-area-inset-top);
    }
    
    .main {
        padding-top: calc(80px + env(safe-area-inset-top));
    }
}

/* Offline Indicator */
.offline-indicator {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-warning);
    color: white;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}

.offline-indicator.show {
    opacity: 1;
    visibility: visible;
}

/* Installation Prompt */
.install-prompt {
    position: fixed;
    bottom: var(--space-20);
    left: var(--space-20);
    right: var(--space-20);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-16);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-standard);
}

.install-prompt.show {
    transform: translateY(0);
}

.install-prompt__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-16);
}

.install-prompt__text {
    flex-grow: 1;
}

.install-prompt__text h4 {
    margin: 0 0 var(--space-4) 0;
    font-size: var(--font-size-base);
}

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

.install-prompt__actions {
    display: flex;
    gap: var(--space-8);
}

.install-prompt__actions .btn {
    padding: var(--space-6) var(--space-12);
    font-size: var(--font-size-sm);
}

/* Success/Error Messages */
.message {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-12) var(--space-20);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}

.message.show {
    opacity: 1;
    visibility: visible;
}

.message--success {
    background: rgba(var(--color-success-rgb), 0.1);
    color: var(--color-success);
    border: 1px solid rgba(var(--color-success-rgb), 0.3);
}

.message--error {
    background: rgba(var(--color-error-rgb), 0.1);
    color: var(--color-error);
    border: 1px solid rgba(var(--color-error-rgb), 0.3);
}

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

/* Focus Improvements */
.btn:focus-visible,
.nav__link:focus-visible,
.form-control:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .back-to-top,
    .install-prompt,
    .nav__toggle {
        display: none !important;
    }
    
    .main {
        padding-top: 0 !important;
    }
    
    .page {
        display: block !important;
        page-break-inside: avoid;
    }
}

.service-detail__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 40px 0;
}

.highlight-box {
    flex: 1 1 calc(33.333% - 20px);
    background-color: #f5f9ff;
    border: 1px solid #dce9f9;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.highlight-box h3 {
    margin-bottom: 10px;
    color: #003366;
}

.highlight-box p {
    color: #333;
    font-size: 14.5px;
}