/**
 * Arosoft Technology - Professional Theme
 * Modern gray/blue professional theme inspired by enterprise design
 * Version: 2.0.0
 */

/* ==============================
 * Professional Color System
 * ============================== */
:root {
  /* Brand Colors - Professional Blue System */
  --brand-blue: #4A90E2;
  --brand-blue-hover: #3A7BD5;
  --brand-blue-subtle: #E8F2FF;
  --brand-blue-dark: #2E5A87;

  /* Background System - Dark Slate Professional */
  --bg-hero: #0F1720;
  --bg-section: #111826;
  --bg-surface: #1B2430;
  --bg-card: #1B2430;
  --bg-overlay: rgba(15, 23, 32, 0.9);

  /* Border and Divider System */
  --border-primary: #273244;
  --border-subtle: #1F2937;
  --border-focus: var(--brand-blue);

  /* Text System - WCAG Compliant */
  --text-primary: #F2F5FA;
  --text-secondary: #B8C2D1;
  --text-muted: #8B95A5;
  --text-accent: var(--brand-blue);

  /* Status Colors */
  --success: #16A34A;
  --warning: #F59E0B;
  --danger: #EF4444;

  /* Shadow System */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-brand: 0 10px 20px rgba(22, 119, 255, 0.08);

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

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

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==============================
 * Base Styles
 * ============================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-hero);
  min-height: 100vh;
}

/* ==============================
 * Typography System
 * ============================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

a:hover {
  color: var(--brand-blue-hover);
}

/* ==============================
 * Professional Button System
 * ============================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--brand-blue);
  color: white;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  background-color: var(--brand-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(74, 144, 226, 0.12);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-primary);
}

.btn-secondary:hover {
  background-color: rgba(74, 144, 226, 0.08);
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

/* ==============================
 * Layout Components
 * ============================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section-hero {
  background-color: var(--bg-hero);
  position: relative;
  overflow: hidden;
}

/* Hero Background Options */
.hero-bg-office {
  background-image: url('../images/arosoft_office.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg-abstract {
  background-image: url('../images/hero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Hero overlay for text readability */
.hero-overlay {
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0.3) 100%);
}

/* Ensure hero text is always readable */
.hero-content h1,
.hero-content p {
  text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

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

/* ==============================
 * Professional Card System
 * ============================== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-brand);
  transform: translateY(-4px);
  border-color: var(--brand-blue);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

/* ==============================
 * Scrolling Services System
 * ============================== */
.services-container {
  position: relative;
  margin-top: var(--space-2xl);
}

.services-scroll {
  display: flex;
  gap: var(--space-lg);
  overflow: hidden;
  scroll-behavior: smooth;
  padding: var(--space-md) 0;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  animation: endlessScroll 30s linear infinite;
  width: fit-content;
}

.services-scroll:hover {
  animation-play-state: paused;
}

@keyframes endlessScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.services-scroll::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.service-card {
  flex: 0 0 280px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
  position: relative;
  overflow: hidden;
}

/* Shine effect for service cards */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.5s ease;
  z-index: 1;
}

.service-card:hover {
  box-shadow: var(--shadow-brand);
  transform: translateY(-4px);
  border-color: var(--brand-blue);
}

.service-card:hover::before {
  left: 100%;
}

/* Ensure content stays above shine effect */
.service-card > * {
  position: relative;
  z-index: 2;
}

.service-card .icon {
  font-size: 3rem;
  color: var(--brand-blue);
  margin-bottom: var(--space-lg);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card .icon i {
  font-size: 3rem;
}

.service-card .icon img {
  width: 48px !important;
  height: 48px !important;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
  flex-grow: 1;
  display: flex;
  align-items: center;
}

.service-card .btn {
  margin-top: auto;
  align-self: center;
  min-width: 120px;
}

/* Scroll Navigation Buttons */
.scroll-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.scroll-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.scroll-btn:hover {
  background-color: var(--brand-blue);
  color: white;
  border-color: var(--brand-blue);
}

.scroll-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .service-card {
    flex: 0 0 250px;
  }
}

/* ==============================
 * Industries Row (Small Icons)
 * ============================== */
.industries-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition-normal);
  cursor: pointer;
}

.industry-item:hover {
  transform: translateY(-2px);
}

.industry-icon-small {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  border-radius: 50%;
  color: white;
  font-size: 1.25rem;
  transition: var(--transition-normal);
}

.industry-item:hover .industry-icon-small {
  transform: scale(1.1);
  box-shadow: var(--shadow-brand);
}

.industry-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  transition: var(--transition-normal);
}

.industry-item:hover .industry-label {
  color: var(--text-primary);
}

/* ==============================
 * Key Partners Section (Simple Logo Display)
 * ============================== */
.partners-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
}

.partner-logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  text-decoration: none;
  min-width: 180px;
  height: 100px;
}

.partner-logo-link:hover {
  box-shadow: var(--shadow-brand);
  transform: translateY(-2px);
  border-color: var(--brand-blue);
}

.partner-logo-img {
  max-width: 140px;
  max-height: 60px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.7);
  transition: var(--transition-normal);
}

.partner-logo-link:hover .partner-logo-img {
  filter: grayscale(0%) opacity(1);
}

/* ==============================
 * Expertise Cards Section
 * ============================== */
.expertise-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: var(--transition-normal);
  cursor: pointer;
}

.expertise-card:hover {
  box-shadow: var(--shadow-brand);
  transform: translateY(-4px);
  border-color: var(--brand-blue);
}

.expertise-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  border-radius: 50%;
  color: white;
  font-size: 2rem;
  transition: var(--transition-normal);
}

.expertise-card:hover .expertise-icon {
  transform: scale(1.1);
}

.expertise-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.expertise-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .industries-row {
    gap: var(--space-lg);
  }

  .industry-icon-small {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .industry-label {
    font-size: 0.7rem;
  }

  .partners-logos {
    gap: var(--space-lg);
  }

  .partner-logo-link {
    min-width: 150px;
    height: 80px;
  }

  .partner-logo-img {
    max-width: 120px;
    max-height: 50px;
  }

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

  .discuss-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* ==============================
 * Left Sidebar Navigation
 * ============================== */
.sidebar-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-primary);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-brand);
}

.sidebar-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-primary);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  transition: var(--transition-normal);
}

.sidebar-logo:hover {
  opacity: 0.8;
}

.sidebar-logo-img {
  height: 56px;
  width: auto;
}

.sidebar-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-menu {
  flex: 1;
  padding: var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-normal);
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-left-color: var(--brand-blue);
}

.sidebar-link.active {
  background-color: var(--bg-card);
  color: var(--brand-blue);
  border-left-color: var(--brand-blue);
}

.sidebar-icon {
  width: 20px;
  text-align: center;
  font-size: 1.125rem;
}

.sidebar-text {
  font-weight: 500;
  font-size: 0.875rem;
}

/* Mobile Toggle Button */
.mobile-toggle {
  display: none;
  position: fixed;
  top: var(--space-lg);
  left: var(--space-lg);
  z-index: 1001;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-brand);
}

.mobile-toggle:hover {
  background-color: var(--bg-card);
}

/* Mobile Overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* Content adjustment for sidebar */
body {
  margin-left: 280px;
  transition: var(--transition-normal);
}

/* Main content wrapper */
.main-content {
  min-height: 100vh;
  padding-left: 0;
}

/* Adjust existing sections for sidebar */
.section-hero,
.section-content {
  margin-left: 0;
}

/* Navbar component container should be positioned for sidebar */
#navbar-container {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .sidebar-nav {
    transform: translateX(-100%);
  }

  .sidebar-nav.mobile-open {
    transform: translateX(0);
  }

  .mobile-toggle {
    display: block;
  }

  .mobile-overlay.active {
    display: block;
  }

  body {
    margin-left: 0;
  }
}

/* ==============================
 * Industries Tiles System
 * ============================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.industry-tile {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition-normal);
  cursor: pointer;
}

.industry-tile:hover {
  background-color: rgba(74, 144, 226, 0.04);
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-brand);
}

.industry-tile .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  opacity: 0.8;
  filter: brightness(0) invert(1);
}

.industry-tile h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0;
}

/* ==============================
 * Navigation System
 * ============================== */
.navbar {
  background-color: var(--bg-overlay);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-primary);
}

.nav-link {
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--brand-blue);
}

/* ==============================
 * Utility Classes
 * ============================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.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); }

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


/* Powered by Innosol badge (shared styling; match chat hover) */
.powered-by-innosol { display:flex; align-items:center; justify-content:center; gap:8px; opacity:0.7; transition: all 0.2s ease; text-decoration:none; cursor:pointer; padding:4px 8px; border-radius: var(--radius-sm); }
.powered-by-innosol:hover { opacity:1 !important; background: rgba(74,144,226,0.08) !important; transform: translateY(-1px) !important; }
.innosol-logo { width:20px; height:20px; filter: grayscale(100%) brightness(0.7); transition: filter 0.3s ease; }
.powered-by-innosol:hover .innosol-logo { filter: grayscale(0%) brightness(1) saturate(1.1) !important; }
.powered-text { font-size:12px; color: var(--text-muted); font-weight:500; letter-spacing:0.5px; transition: color 0.2s ease; }
.powered-by-innosol:hover .powered-text { color: var(--text-secondary) !important; }


/* Services section: align, endless loop desktop, horizontal-only on mobile */
.services-container { overflow: hidden; }
/* Keep content-width for correct -50% animation; no horizontal page scroll */
.services-scroll, #servicesScroll { width: max-content !important; overflow-x: hidden; flex-wrap: nowrap; }

/* Mobile breakpoints: horizontal swipe with snap, one-by-one; stop auto animation */
@media (max-width: 992px) {
  .services-scroll, #servicesScroll {
    animation: none !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    display: flex !important;
    width: 100% !important;
  }
  .service-card {
    flex: 0 0 80%;
    max-width: 80%;
    scroll-snap-align: center;
    min-height: 280px;
  }
  .scroll-nav {
    display: none !important; /* Hide scroll buttons on mobile */
  }
}
@media (max-width: 600px) {
  .service-card {
    flex: 0 0 90% !important;
    max-width: 90% !important;
    min-width: 0 !important;
    min-height: 260px;
  }
}