:root {
  /* Light Theme (Default) */
  --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);
  
  /* Theme Toggle */
  --theme-toggle-bg: var(--color-text-secondary);
  --theme-toggle-icon: var(--color-background);
  
  /* Form Elements */
  --input-bg: var(--color-surface);
  --input-border: var(--color-border);

  /* 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 Theme */
[data-theme="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-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);
  --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-select-caret: rgba(245, 245, 245, 0.8);
  --theme-toggle-bg: var(--color-primary);
  --theme-toggle-icon: var(--color-text);
  --input-bg: rgba(255, 255, 255, 0.05);
  --input-border: rgba(255, 255, 255, 0.1);
  --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);
  --select-caret: var(--select-caret-dark);
}

/* 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);

  /* 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;
}

/* Light Theme Explicit */
[data-theme="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);
  --theme-toggle-bg: var(--color-text-secondary);
  --theme-toggle-icon: var(--color-background);
  --input-bg: var(--color-surface);
  --input-border: var(--color-border);
  --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://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--color-primary);
  border: none;
  border-radius: 24px;
  width: 48px;
  height: 28px;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  margin-left: 16px;
  overflow: hidden;
}

.theme-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-focus-ring);
}

.theme-toggle:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.theme-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
  color: var(--color-btn-primary-text);
}

/* Theme toggle indicator */
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  background: var(--color-background);
  border-radius: 50%;
  transition: transform 0.3s ease, background-color 0.3s ease;
  z-index: 0;
}

[data-theme="dark"] .theme-toggle::after {
  transform: translateX(20px);
  background: var(--color-surface);
}

/* Icon visibility and positioning */
.theme-toggle .sun-icon {
  color: #ffd700; /* Gold color for sun */
  margin-right: 4px;
}

.theme-toggle .moon-icon {
  color: #f0f0f0; /* Light gray for moon */
  margin-left: 4px;
}

[data-theme="light"] .moon-icon,
[data-theme="dark"] .sun-icon {
  opacity: 1;
  transform: scale(0.8);
  position: absolute;
  z-index: 2;
}

[data-theme="light"] .sun-icon,
[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: scale(1);
  position: relative;
  z-index: 2;
}

/* Contact Form Styles */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--color-surface);
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
  margin-bottom: 1.5rem;
  color: var(--color-text);
  text-align: center;
}

/* Form validation icons */
.form-validation-icon {
  position: absolute;
  top: 2.5rem;
  right: 1rem;
  width: 1.25rem;
  height: 1.25rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.was-validated .form-input:valid ~ .form-validation-icon,
.form-input.is-valid ~ .form-validation-icon {
  opacity: 1;
  color: var(--color-success);
}

.was-validated .form-input:invalid ~ .form-validation-icon,
.form-input.is-invalid ~ .form-validation-icon {
  opacity: 1;
  color: var(--color-error);
}

/* Help text */
.form-help-text {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* Focus states */
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* Hover states */
.form-input:not(:focus):hover {
  border-color: var(--color-primary-hover);
}

/* Disabled state */
.form-input:disabled {
  background-color: var(--color-secondary);
  opacity: 0.7;
  cursor: not-allowed;
}

/* Textarea specific styles */
.form-textarea,
textarea.form-input {
  min-height: 150px;
  padding: 1rem 1rem 1rem 2.75rem;
  resize: vertical;
  line-height: 1.6;
  transition: all 0.2s ease-in-out;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  width: 100%;
  margin: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Focus state */
.form-textarea:focus,
textarea.form-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* Hover state */
.form-textarea:not(:focus):hover,
textarea.form-input:not(:focus):hover {
  border-color: var(--color-primary-hover);
}

/* Disabled state */
.form-textarea:disabled,
textarea.form-input:disabled {
  background-color: var(--color-secondary);
  opacity: 0.7;
  cursor: not-allowed;
}

/* Validation states */
.was-validated .form-textarea:invalid,
.form-textarea.is-invalid,
.was-validated textarea.form-input:invalid,
textarea.form-input.is-invalid {
  border-color: var(--color-error);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* Adjust icon position for textarea */
.form-group:has(.form-textarea) .form-label i,
.form-group:has(textarea.form-input) .form-label i {
  position: absolute;
  left: 1rem;
  top: 2.5rem;
  z-index: 2;
}

/* Form actions container */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

/* Button container for alignment */
.button-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Responsive button layout */
@media (min-width: 576px) {
  .form-actions,
  .button-container {
    flex-direction: row;
    justify-content: flex-start;
  }
  
  .button-container {
    gap: 1rem;
  }
}

/* Primary button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  min-width: 120px;
}

/* Primary button */
.btn-primary {
  color: var(--color-btn-primary-text);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

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

/* Secondary button */
.btn-secondary {
  color: var(--color-text);
  background-color: var(--color-secondary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-border);
  transform: translateY(-1px);
}

/* Full width on mobile */
@media (max-width: 575.98px) {
  .btn {
    width: 100%;
  }
}

/* Select dropdown */
select.form-input {
  appearance: none;
  background-image: 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");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

[data-theme="dark"] select.form-input {
  background-image: 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");
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.btn-submit {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 6px;
  transition: all 0.2s ease-in-out;
  color: var(--color-btn-primary-text);
  background-color: var(--color-primary);
  border: 1px solid transparent;
  cursor: pointer;
  width: 100%;
}

.btn-submit:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

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

/* Form Input Styles */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-label i {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  background-clip: padding-box;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  height: auto;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.form-input:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.form-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

/* Form validation */
.was-validated .form-control:invalid,
.was-validated .form-input:invalid,
.form-control.is-invalid,
.form-input.is-invalid {
  border-color: var(--color-error);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:valid,
.form-control.is-valid {
  border-color: var(--color-success);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: var(--color-error);
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .contact-form {
    padding: 1.5rem;
  }
  
  .form-group {
    margin-bottom: 1.25rem;
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 253, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: var(--space-16) 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand h2 {
  color: var(--color-primary);
  margin: 0;
}

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

.nav-links a {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  transition: color var(--duration-fast) var(--ease-standard);
}

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

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-24);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-32);
}

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

/* Service Overview */
.service-overview {
  padding: 40px 0;
  background: var(--color-surface);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-32);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-24);
  margin-top: var(--space-32);
}

.benefit-card {
  text-align: center;
  padding: var(--space-24);
  background: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.benefit-card:hover {
  transform: translateY(-4px);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-16);
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.benefit-card h3 {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.benefit-card p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* Core Services */
.core-services {
  padding: 40px 0;
  background: var(--color-background);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-32);
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  padding: var(--space-16);
  transition: all var(--duration-normal) var(--ease-standard);
}

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

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: var(--space-24);
}

.service-card h3 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.service-card > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-24);
  line-height: 1.6;
}

.service-features ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-24) 0;
}

.service-features li {
  padding: var(--space-8) 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-20);
}

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

.service-meta {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
}

.timeframe, .complexity {
  padding: var(--space-6) var(--space-12);
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

/* Industry Applications */
.industry-applications {
  padding: 40px 0;
  background: var(--color-surface);
}

.market-chart {
  text-align: center;
  margin: var(--space-32) 0;
}

.chart-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-32);
}

.industry-card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  padding: var(--space-16);
  transition: all var(--duration-normal) var(--ease-standard);
}

.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.industry-icon {
  width: 70px;
  height: 70px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: var(--space-20);
}

.industry-card h3 {
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.market-size {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-20);
}

.industry-features, .use-cases {
  margin-bottom: var(--space-20);
}

.industry-features h4, .use-cases h4 {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.industry-features ul, .use-cases ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.industry-features li, .use-cases li {
  padding: var(--space-4) 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-16);
  font-size: var(--font-size-sm);
}

.industry-features li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.use-cases li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* Technology Stack */
.technology-stack {
  padding: 40px 0;
  background: var(--color-background);
}

.capabilities-chart {
  text-align: center;
  margin: var(--space-32) 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-32);
  margin-top: var(--space-32);
}

.tech-category {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  padding: var(--space-32);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
}

.tech-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tech-icon {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin: 0 auto var(--space-20);
}

.tech-category h3 {
  margin-bottom: var(--space-20);
  color: var(--color-text);
}

.tech-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  justify-content: center;
}

.tech-tools span {
  padding: var(--space-6) var(--space-12);
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* Development Process */
.development-process {
  padding: 40px 0;
  background: var(--color-surface);
}

.process-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary);
}

.process-step {
  display: flex;
  margin-bottom: var(--space-32);
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  margin-right: var(--space-24);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-content {
  flex: 1;
  background: var(--color-background);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
}

.step-content h3 {
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.step-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
}

.duration {
  display: inline-block;
  padding: var(--space-4) var(--space-12);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Case Study */
.case-study {
  padding: 40px 0;
  background: var(--color-background);
}

.case-study-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-32);
  margin-top: var(--space-16);
}

.case-study-text h3 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.case-study-text h4 {
  margin: var(--space-24) 0 var(--space-12);
  color: var(--color-text);
}

.case-study-text p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.achievements-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-24) 0;
}

.achievements-list li {
  padding: var(--space-8) 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-20);
}

.achievements-list li::before {
  content: "★";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.case-study-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.highlight-card {
  background: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  text-align: center;
}

.highlight-card h4 {
  margin-bottom: var(--space-8);
  color: var(--color-text);
  font-size: var(--font-size-md);
}

.highlight-card p {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  margin: 0;
}

/* Overview Section */
.overview-section {
  padding: calc(var(--space-16) * 2) 0;
  background-color: var(--color-background);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-24);
}

.overview-card {
  background: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  transition: transform var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard);
}

.overview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.overview-icon {
  font-size: 2rem;
  margin-bottom: var(--space-16);
}

.overview-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-16);
  font-size: var(--font-size-xl);
}

.overview-card p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin: 0;
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.detail-item {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.detail-item strong {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

/* Features Section */
.features-section {
  padding: calc(var(--space-16) * 2) 0;
  background-color: var(--color-surface);
}

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

.feature-card {
  background: var(--color-background);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  transition: transform var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-16);
}

.feature-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-size: var(--font-size-lg);
}

.feature-card p {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-normal);
}

/* Architecture Section */
.architecture-section {
  padding: calc(var(--space-16) * 2) 0;
  background-color: var(--color-background);
}

.architecture-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--space-32) * 2);
  align-items: start;
}

.tech-stack h3,
.architecture-benefits h3 {
  color: var(--color-text);
  margin-bottom: var(--space-24);
  font-size: var(--font-size-2xl);
}

.tech-categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.tech-category h4 {
  color: var(--color-text);
  margin-bottom: var(--space-12);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.tech-tag {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.tech-tag:hover {
  transform: scale(1.05);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
}

.benefit-item {
  text-align: center;
  padding: var(--space-16);
}

.benefit-icon {
  font-size: 2rem;
  margin-bottom: var(--space-12);
}

.benefit-item h4 {
  color: var(--color-text);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

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

/* Contact & Consultation */
.contact-consultation {
  padding: 40px 0;
  background: var(--color-surface);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-32);
  margin-top: var(--space-32);
}

.contact-info h3 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.contact-info p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-24);
}

.expertise-highlights h4 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

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

.expertise-highlights li {
  padding: var(--space-8) 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-20);
}

.expertise-highlights li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.contact-form-wrapper {
  background: var(--color-background);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
}

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

/* Footer */
.footer {
  background: var(--color-text);
  color: var(--color-background);
  padding: var(--space-32) 0 var(--space-16);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-24);
}

.footer-brand h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.footer-brand p {
  color: var(--color-background);
  opacity: 0.8;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-24);
}

.footer-links a {
  color: var(--color-background);
  opacity: 0.8;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-16);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
  color: var(--color-background);
  opacity: 0.6;
  font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .industries-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .process-timeline::before {
    display: none;
  }
  
  .process-step {
    flex-direction: column;
    text-align: center;
  }
  
  .step-number {
    margin: 0 auto var(--space-16);
  }
  
  .case-study-content {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-24);
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .industries-grid {
    grid-template-columns: 1fr;
  }
  
  .industry-card {
    padding: var(--space-20);
  }
  
  .service-card {
    padding: var(--space-20);
  }
  
  .tech-category {
    padding: var(--space-20);
  }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .navbar {
    background: rgba(38, 40, 40, 0.95);
  }
}

[data-color-scheme="dark"] .navbar {
  background: rgba(38, 40, 40, 0.95);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}