/* Modern BlueCows Technical Services Stylesheet
   Web 2.0 Responsive Design with Dark Mode Support
   Maintains blue accent branding
*/

/* ===========================
   CSS Custom Properties (Variables)
   =========================== */
:root {
  /* Light Mode Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f5f7fa;
  --color-bg-tertiary: #e8eef4;
  --color-text-primary: #1a202c;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #718096;
  
  /* Blue Accent Colors */
  --color-blue-primary: #136C8F;
  --color-blue-secondary: #4C95B1;
  --color-blue-light: #00AEEF;
  --color-blue-dark: #0B3D51;
  --color-blue-hover: #AECFDC;
  
  /* Utility Colors */
  --color-border: #cbd5e0;
  --color-link: #0066cc;
  --color-link-hover: #ff9933;
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Layout */
  --max-width: 1600px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-family-heading: 'Segoe UI', 'Roboto', Arial, sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-base: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.875rem;
  --font-size-3xl: 2.25rem;
  --line-height-base: 1.6;
  
  /* Transitions */
  --transition-speed: 0.2s;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #1a202c;
    --color-bg-secondary: #2d3748;
    --color-bg-tertiary: #374151;
    --color-text-primary: #f7fafc;
    --color-text-secondary: #e2e8f0;
    --color-text-tertiary: #cbd5e0;
    
    /* Adjusted blue colors for dark mode */
    --color-blue-primary: #4C95B1;
    --color-blue-secondary: #63b3d1;
    --color-blue-light: #00AEEF;
    --color-blue-dark: #136C8F;
    --color-blue-hover: #AECFDC;
    
    --color-border: #4a5568;
    --color-link: #5eb3e6;
    --color-link-hover: #ffad5c;
    --color-shadow: rgba(0, 0, 0, 0.3);
  }
}

/* ===========================
   Reset & Base Styles
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   Layout Container
   =========================== */
#wrap {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  background-color: var(--color-bg-primary);
  box-shadow: 0 0 20px var(--color-shadow);
}

/* ===========================
   Header
   =========================== */
#header {
  width: 100%;
  height: auto;
  min-height: 100px;
  background: linear-gradient(135deg, var(--color-blue-primary) 0%, var(--color-blue-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-md);
  position: relative;
}

#header .header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  max-width: var(--max-width);
}

#header .logo {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

#header .site-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: white;
  font-family: var(--font-family-heading);
  margin: 0;
}

@media (max-width: 768px) {
  #header .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  #header .logo {
    height: 50px;
  }
  
  #header .site-title {
    font-size: var(--font-size-xl);
  }
}

/* ===========================
   Navigation
   =========================== */
#nav-wrap {
  width: 100%;
  background: var(--color-blue-secondary);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px var(--color-shadow);
}

#global-nav {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
  gap: var(--spacing-xs);
}

#global-nav li {
  margin: 0;
  padding: 0;
}

#global-nav a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-speed) ease;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#global-nav a:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Mobile navigation - stack vertically on small screens */
@media (max-width: 768px) {
  #global-nav {
    flex-direction: column;
    align-items: stretch;
  }
  
  #global-nav a {
    text-align: center;
  }
}

/* ===========================
   Search Bar
   =========================== */
.search-wrap {
  width: 100%;
  background: linear-gradient(to right, var(--color-blue-light), var(--color-blue-secondary));
  padding: var(--spacing-md);
  border-bottom: 2px solid var(--color-blue-primary);
}

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

.search form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: center;
}

.searchText {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  color: white;
  font-weight: 600;
  flex: 1;
  min-width: 200px;
}

.searchInput {
  padding: var(--spacing-sm);
  border: 2px solid var(--color-blue-dark);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  min-width: 180px;
  flex: 1;
  background-color: white;
  color: var(--color-text-primary);
}

.searchInput:focus {
  outline: none;
  border-color: var(--color-blue-primary);
  box-shadow: 0 0 0 3px rgba(19, 108, 143, 0.2);
}

.searchRadio {
  margin: 0;
  cursor: pointer;
}

#searchButton {
  display: flex;
}

.searchButton {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-blue-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
  font-size: var(--font-size-base);
  font-weight: 600;
}

.searchButton:hover {
  background-color: var(--color-blue-dark);
}

/* Fix button backgrounds for image inputs */
input[type="image"] {
  background: transparent !important;
  border: none;
  padding: 0;
  cursor: pointer;
}

@media (max-width: 600px) {
  .search form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .searchText {
    width: 100%;
  }
  
  .searchInput {
    width: 100%;
  }
}

/* ===========================
   Main Content Layout
   =========================== */
.content-container {
  display: grid;
  grid-template-columns: 150px 1fr 180px;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  min-height: 60vh;
}

@media (max-width: 992px) {
  .content-container {
    grid-template-columns: 180px 1fr;
    gap: var(--spacing-md);
  }
  
  #sub-content {
    order: 3;
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .content-container {
    grid-template-columns: 1fr;
    padding: var(--spacing-md);
  }
  
  #navigations,
  #main-content,
  #sub-content {
    width: 100%;
  }
}

/* ===========================
   Sidebar Navigation
   =========================== */
#navigations {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  height: fit-content;
}

#navigations strong {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-blue-primary);
}

#navigations ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#navigations li {
  margin-bottom: var(--spacing-sm);
}

#navigations a {
  color: var(--color-link);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  display: block;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-speed) ease;
}

#navigations a:hover {
  background-color: var(--color-blue-primary);
  color: white;
  transform: translateX(4px);
}

/* ===========================
   Main Content
   =========================== */
#main-content {
  background-color: var(--color-bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
}

#main-content h1,
#main-content h2,
#main-content h3,
#main-content h4 {
  font-family: var(--font-family-heading);
  color: var(--color-text-primary);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

#main-content h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-blue-primary);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
}

#main-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

#main-content a {
  color: var(--color-link);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-speed) ease;
  border-bottom: 1px solid transparent;
}

#main-content a:hover {
  color: var(--color-link-hover);
  border-bottom-color: var(--color-link-hover);
}

/* ===========================
   Sidebar Content
   =========================== */
#sub-content {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  height: fit-content;
}

#sub-content strong {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-blue-primary);
}

#sub-content dl {
  margin: 0 0 var(--spacing-md) 0;
}

#sub-content dt {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

#sub-content a {
  color: var(--color-link);
  text-decoration: none;
  font-weight: 500;
}

#sub-content a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* ===========================
   Banner & Footer
   =========================== */
#banner-nav {
  width: 100%;
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

#foot {
  width: 100%;
  min-height: 120px;
  background: linear-gradient(135deg, var(--color-blue-primary) 0%, var(--color-blue-secondary) 100%) !important;
  padding: var(--spacing-xl) var(--spacing-md);
  color: white !important;
  text-align: center;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  display: block !important;
  visibility: visible !important;
  position: relative !important;
  z-index: 1 !important;
}

#foot p {
  margin: var(--spacing-xs) 0;
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: var(--font-size-sm);
}

#foot strong {
  color: white !important;
  font-weight: 700;
}

#foot a {
  color: white !important;
  text-decoration: underline;
  transition: opacity var(--transition-speed) ease;
}

#foot a:hover {
  opacity: 0.8;
}

/* Technology List */
.tech-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.tech-list h4 {
  color: var(--color-blue-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

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

.tech-list li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--color-text-secondary);
}

.tech-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-blue-primary);
  font-weight: bold;
}

/* ===========================
   Forms
   =========================== */
form {
  margin: 0;
  padding: 0;
}

input, select, textarea {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

.input,
.input-max,
.input-datas {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: border-color var(--transition-speed) ease;
}

.input:focus,
.input-max:focus,
.input-datas:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-blue-primary);
  box-shadow: 0 0 0 3px rgba(19, 108, 143, 0.1);
}

.submit {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-blue-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-speed) ease;
}

.submit:hover {
  background-color: var(--color-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--color-shadow);
}

textarea.message {
  width: 100%;
  min-height: 200px;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  resize: vertical;
}

/* ===========================
   Utility Classes
   =========================== */
.hidden-navigation {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.clear-both {
  clear: both;
}

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

h1 {
  font-size: var(--font-size-3xl);
  margin: var(--spacing-lg) 0;
}

h2 {
  font-size: var(--font-size-2xl);
  margin: var(--spacing-md) 0;
}

h3 {
  font-size: var(--font-size-xl);
  margin: var(--spacing-md) 0;
}

p {
  margin: 0 0 var(--spacing-md) 0;
  line-height: var(--line-height-base);
}

a {
  color: var(--color-link);
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--color-link-hover);
}

/* ===========================
   Responsive Images
   =========================== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===========================
   Accessibility
   =========================== */
:focus-visible {
  outline: 2px solid var(--color-blue-primary);
  outline-offset: 2px;
}

/* ===========================
   Print Styles
   =========================== */
@media print {
  #nav-wrap,
  #navigations,
  #sub-content,
  .search-wrap,
  #banner-nav {
    display: none;
  }
  
  #main-content {
    width: 100%;
    max-width: 100%;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* ===========================
   Dark Mode Toggle Support
   =========================== */
@media (prefers-color-scheme: dark) {
  img {
    opacity: 0.9;
  }
  
  img:hover {
    opacity: 1;
  }
}