/* ==========================================================================
   Colby's Data Movers - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --midnight: #0f172a;
  --slate: #1e293b;
  --steel: #334155;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-100: #f1f5f9;
  --white: #ffffff;

  --cyan: #06b6d4;
  --cyan-light: #22d3ee;
  --cyan-dark: #0891b2;
  --amber: #f59e0b;

  --success: #10b981;
  --error: #ef4444;
  --code-bg: #0d1117;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* --------------------------------------------------------------------------
   Accessibility
   -------------------------------------------------------------------------- */

/* Skip to main content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--cyan);
  color: var(--midnight);
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 600;
  z-index: 10000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* Focus indicators for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

/* Remove default focus outline, only use focus-visible */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* Enhanced focus for navigation links */
.nav-link:focus-visible,
.btn:focus-visible,
.card-link:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

/* Screen reader only content - visually hidden but accessible */
.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;
}


/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-100);
  background-color: var(--midnight);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

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

a:hover {
  color: var(--cyan-light);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
}

.text-large {
  font-size: 1.125rem;
}

.text-small {
  font-size: 0.875rem;
}

.text-muted {
  color: var(--gray-400);
}

.text-cyan {
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-dark {
  background-color: var(--slate);
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.flex {
  display: flex;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--steel);
  z-index: 1000;
}

.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}

.logo span {
  color: var(--cyan);
}

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

.nav-link {
  color: var(--gray-400);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: var(--space-sm);
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--midnight);
    border-bottom: 1px solid var(--steel);
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .mobile-menu-btn {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--cyan-light);
  color: var(--midnight);
}

.btn-secondary {
  background: transparent;
  color: var(--gray-100);
  border: 1px solid var(--steel);
}

.btn-secondary:hover {
  background: var(--slate);
  border-color: var(--gray-500);
  color: var(--white);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 150%;
  height: 150%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center top, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--gray-400);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--slate);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--gray-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  margin-bottom: var(--space-lg);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border-radius: var(--radius-md);
  color: var(--cyan);
  margin-bottom: var(--space-md);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--gray-400);
  margin-bottom: var(--space-lg);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
  font-size: 0.875rem;
}

.card-link svg {
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Code Blocks
   -------------------------------------------------------------------------- */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--steel);
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--steel);
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #eab308; }
.code-dot.green { background: #22c55e; }

.code-content {
  padding: var(--space-lg);
  overflow-x: auto;
}

pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}

code {
  font-family: var(--font-mono);
}

/* Syntax highlighting */
.code-keyword { color: #ff7b72; }
.code-string { color: #a5d6ff; }
.code-comment { color: #8b949e; }
.code-function { color: #d2a8ff; }
.code-number { color: #79c0ff; }
.code-operator { color: #ff7b72; }
.code-variable { color: #ffa657; }

/* --------------------------------------------------------------------------
   Stats Section
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
}

@media (max-width: 768px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-value.cyan {
  color: var(--cyan);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* --------------------------------------------------------------------------
   Do/Don't Lists
   -------------------------------------------------------------------------- */
.do-dont {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

@media (max-width: 768px) {
  .do-dont {
    grid-template-columns: 1fr;
  }
}

.do-list, .dont-list {
  list-style: none;
}

.do-list li, .dont-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--steel);
}

.do-list li:last-child, .dont-list li:last-child {
  border-bottom: none;
}

.check-icon {
  color: var(--success);
  flex-shrink: 0;
  margin-top: 2px;
}

.x-icon {
  color: var(--error);
  flex-shrink: 0;
  margin-top: 2px;
}

.dont-list li span {
  color: var(--gray-400);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--gray-400);
  font-size: 1.125rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  text-align: center;
  padding: var(--space-4xl) 0;
}

.cta-section h2 {
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: var(--gray-400);
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-email {
  display: block;
  margin-top: var(--space-lg);
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--slate);
  border-top: 1px solid var(--steel);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.footer-nav h4 {
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
  color: var(--gray-400);
  font-weight: 500;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: var(--space-sm);
}

.footer-nav a {
  color: var(--gray-100);
  font-size: 0.875rem;
}

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

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--steel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--gray-400);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Service Page Specific
   -------------------------------------------------------------------------- */
.service-hero {
  padding-top: calc(var(--header-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
}

.service-hero h1 {
  margin-bottom: var(--space-lg);
}

.service-hero .lead {
  font-size: 1.25rem;
  color: var(--gray-400);
  max-width: 700px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: var(--slate);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.service-card h3 {
  margin-bottom: var(--space-sm);
}

.service-meta {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--gray-400);
}

.service-card ul {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.service-card li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  color: var(--gray-400);
}

.service-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   Technology Page Specific
   -------------------------------------------------------------------------- */
.tech-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--steel);
}

.tech-feature:last-child {
  border-bottom: none;
}

.tech-feature.reverse {
  direction: rtl;
}

.tech-feature.reverse > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .tech-feature, .tech-feature.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

.tech-content h3 {
  margin-bottom: var(--space-md);
}

.tech-content p {
  color: var(--gray-400);
}

/* --------------------------------------------------------------------------
   About Page
   -------------------------------------------------------------------------- */
.about-content {
  max-width: 700px;
}

.about-content p {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.about-list {
  list-style: none;
  margin: var(--space-xl) 0;
}

.about-list li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.about-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info h3 {
  margin-bottom: var(--space-md);
}

.contact-info p {
  color: var(--gray-400);
  margin-bottom: var(--space-xl);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--slate);
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border-radius: var(--radius-sm);
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq-item {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--steel);
}

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

.faq-question {
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.faq-answer {
  color: var(--gray-400);
}

/* --------------------------------------------------------------------------
   Process/Steps
   -------------------------------------------------------------------------- */
.process-steps {
  display: grid;
  gap: var(--space-md);
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--slate);
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
}

.step-number {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan);
  color: var(--midnight);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
}

.step-content h4 {
  margin-bottom: var(--space-xs);
}

.step-content p {
  color: var(--gray-400);
  font-size: 0.875rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Pricing Table
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  background: var(--slate);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.pricing-card.featured {
  border-color: var(--cyan);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: var(--midnight);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
}

.pricing-tier {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: var(--space-sm);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: var(--space-xl);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  color: var(--gray-400);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
}

/* --------------------------------------------------------------------------
   Architecture Diagram
   -------------------------------------------------------------------------- */
.architecture {
  background: var(--code-bg);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
  color: var(--gray-400);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

.mt-0 { margin-top: 0; }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }

.hidden { display: none; }

@media (max-width: 768px) {
  .hide-mobile { display: none; }
}

/* --------------------------------------------------------------------------
   Navigation Dropdown
   -------------------------------------------------------------------------- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > .nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-dropdown > .nav-link svg {
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover > .nav-link svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: var(--space-md);
  min-width: 200px;
  z-index: 100;
}

.nav-dropdown-menu-inner {
  background: var(--slate);
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-lg);
}

.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}

.nav-dropdown-menu a {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.nav-dropdown-menu a:hover {
  color: var(--white);
  background: rgba(6, 182, 212, 0.1);
}

.nav-dropdown-menu a.active {
  color: var(--cyan);
}

@media (max-width: 768px) {
  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-menu {
    display: none;
    position: static;
    transform: none;
    padding-top: 0;
    min-width: 0;
  }

  .nav-dropdown.open .nav-dropdown-menu {
    display: block;
  }

  .nav-dropdown-menu-inner {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    padding-left: var(--space-lg);
  }

  .nav-dropdown > .nav-link {
    cursor: pointer;
  }
}