/* Intelligo LMS Website - Accessible Styles */
/* Based on Simplex design system with Intelligo branding */

/* CSS Custom Properties for theming */
:root {
  /* Colors - Matching senuamedia.com dark theme */
  --color-primary: #00b4d8;
  --color-primary-dark: #0096c7;
  --color-primary-light: #48cae4;
  --color-secondary: #90e0ef;
  --color-accent: #48cae4;

  --color-text: #e0e1dd;
  --color-text-light: #adb5bd;
  --color-text-muted: #778da9;

  --color-bg: #0d1b2a;
  --color-bg-alt: #1b263b;
  --color-bg-code: #1b263b;
  --color-border: #415a77;

  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;

  /* 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;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;

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

  /* Focus ring */
  --focus-ring: 0 0 0 3px rgba(0, 180, 216, 0.5);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* Dark theme is now default - matching senuamedia.com */

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
}

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

/* Focus styles */
:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

:focus:not(:focus-visible) {
  box-shadow: none;
}

:focus-visible {
  box-shadow: var(--focus-ring);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  max-width: 70ch;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Lists */
ul, ol {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
}

/* Code */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-code);
  padding: 0.125em 0.375em;
  border-radius: 4px;
}

pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-bg-code);
  padding: var(--space-md);
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

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

.container--narrow {
  max-width: var(--container-narrow);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.header__logo:hover {
  color: var(--color-primary);
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: white;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

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

.nav__link {
  color: var(--color-text-light);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text);
}

.nav__toggle-icon {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .nav__toggle {
    display: block;
  }

  .nav__list {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    gap: var(--space-sm);
    display: none;
  }

  .nav__list[data-open="true"] {
    display: flex;
  }

  .nav__link {
    display: block;
    padding: var(--space-sm);
  }
}

/* Hero section */
.hero {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero__content {
  max-width: 800px;
}

.hero__tagline {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.hero__description {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn--large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
}

/* Section styles */
.section {
  padding: var(--space-3xl) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

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

.section__description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.feature {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.feature:hover {
  box-shadow: var(--shadow-lg);
}

.feature__icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

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

.feature__description {
  color: var(--color-text-light);
  margin: 0;
}

.feature--link {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.feature--link:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.feature--link:hover .feature__title {
  color: var(--color-primary);
}

/* Cards */
.card {
  background: var(--color-bg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: block;
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card__content {
  padding: var(--space-lg);
}

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

.card__description {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.card__link {
  font-weight: 600;
}

/* Grid layouts */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Enterprise Integrations section */
.integrations-section {
  padding: var(--space-xl) 0;
}

.integrations-section .grid {
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.integrations-section .card__content {
  padding: var(--space-xl) var(--space-2xl);
  text-align: center;
}

/* SCORM Package Management, Custom Permissions & Auth Methods sections */
.scorm-management-section,
.custom-permissions-section,
.auth-methods-section {
  padding: var(--space-2xl) 0;
  margin: var(--space-xl) 0;
}

.scorm-management-section .icon-list li,
.custom-permissions-section .icon-list li {
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

/* Code examples */
.code-example {
  background: var(--color-bg-code);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.code-example__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-border);
  font-size: 0.875rem;
  font-weight: 500;
}

.code-example__dots {
  display: flex;
  gap: 6px;
}

.code-example__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

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

.code-example pre {
  margin: 0;
  border: none;
  border-radius: 0;
}

/* Syntax highlighting */
.code-keyword { color: #c678dd; }
.code-string { color: #98c379; }
.code-number { color: #d19a66; }
.code-comment { color: #5c6370; font-style: italic; }
.code-function { color: #61afef; }
.code-type { color: #e5c07b; }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat__value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  color: var(--color-text-light);
  font-weight: 500;
}

/* Footer */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
}

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

.footer__title {
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer__list {
  list-style: none;
  padding: 0;
}

.footer__link {
  color: var(--color-text-light);
  text-decoration: none;
  display: block;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* Page content */
.page-header {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-content {
  padding: var(--space-2xl) 0;
}

.page-content h2 {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.page-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* Two-column page layout */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.page-layout__sidebar {
  position: sticky;
  top: calc(64px + var(--space-xl));
  height: fit-content;
  max-height: calc(100vh - 64px - var(--space-2xl));
  overflow-y: auto;
}

.page-layout__main {
  min-width: 0;
}

/* Sidebar navigation */
.sidebar-nav {
  background: var(--color-bg-alt);
  border-radius: 8px;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.sidebar-nav__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.sidebar-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav__item {
  margin-bottom: var(--space-xs);
}

.sidebar-nav__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.sidebar-nav__link:hover {
  color: var(--color-primary);
  background: var(--color-bg);
}

.sidebar-nav__link--active {
  color: var(--color-primary);
  background: var(--color-bg);
  font-weight: 500;
}

@media (max-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr;
  }

  .page-layout__sidebar {
    position: relative;
    top: 0;
    max-height: none;
  }
}

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

.comparison-table tr:hover td {
  background: var(--color-bg-alt);
}

/* Callout boxes */
.callout {
  padding: var(--space-lg);
  border-radius: 8px;
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.callout--info {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--color-primary);
}

.callout--success {
  background: rgba(5, 150, 105, 0.1);
  border-color: var(--color-success);
}

.callout--warning {
  background: rgba(217, 119, 6, 0.1);
  border-color: var(--color-warning);
}

.callout__title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

/* Pricing cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.pricing-card {
  background: var(--color-bg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

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

.pricing-card--featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-primary);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.pricing-card__name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

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

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-card__description {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  text-align: left;
}

.pricing-card__features li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pricing-card__features li::before {
  content: '';
  color: var(--color-success);
  font-weight: 600;
}

/* Icon list */
.icon-list {
  list-style: none;
  padding: 0;
}

.icon-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.icon-list__icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Steps */
.steps {
  counter-reset: step-counter;
}

.step {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  counter-increment: step-counter;
}

.step__number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.step__number::before {
  content: counter(step-counter);
}

.step__content h4 {
  margin-bottom: var(--space-sm);
}

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

/* Visually hidden */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .nav,
  .skip-link {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
}