/* ==========================================================================
   HCLTech Modern Design System & Global Styles
   Inspired by https://www.hcltech.com/
   Theme: Supercharging Progress | Enterprise AI, Cloud & Engineering
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Brand Core Colors */
  --color-primary: #0F5FDC;        /* Iconic HCLTech Corporate Blue */
  --color-primary-dark: #093E99;
  --color-primary-light: #3D82F7;
  --color-violet: #5E17EB;         /* Electric Violet Accent */
  --color-violet-hover: #4C0ED0;
  --color-cyan: #00E5FF;           /* Neon Cyan Accent */
  --color-cyan-glow: rgba(0, 229, 255, 0.4);
  --color-magenta: #E02475;        /* Vibrant Coral/Magenta */
  --color-emerald: #10B981;

  /* Neutrals & Dark Theme Gradients */
  --bg-dark: #070913;              /* Obsidian Deep Space */
  --bg-dark-card: #0E1224;         /* Rich Slate Card Background */
  --bg-dark-card-hover: #151B35;
  --bg-dark-surface: #12172E;
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --bg-light-surface: #F1F5F9;

  /* Text Colors */
  --text-dark-primary: #FFFFFF;
  --text-dark-secondary: #94A3B8;
  --text-dark-muted: #64748B;
  --text-light-primary: #0F172A;
  --text-light-secondary: #475569;
  --text-light-muted: #64748B;

  /* Borders & Glassmorphism */
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-dark-highlight: rgba(255, 255, 255, 0.18);
  --border-light: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(94, 23, 235, 0.35);
  --glass-bg: rgba(14, 18, 36, 0.75);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: blur(16px);

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #0F5FDC 0%, #5E17EB 50%, #00E5FF 100%);
  --gradient-violet-cyan: linear-gradient(135deg, #5E17EB 0%, #00E5FF 100%);
  --gradient-blue-violet: linear-gradient(135deg, #0F5FDC 0%, #5E17EB 100%);
  --gradient-dark-radial: radial-gradient(circle at top right, rgba(94, 23, 235, 0.18), transparent 60%), radial-gradient(circle at bottom left, rgba(0, 229, 255, 0.12), transparent 50%);
  --gradient-hero-overlay: linear-gradient(180deg, rgba(7, 9, 19, 0.75) 0%, rgba(7, 9, 19, 0.95) 100%);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);

  /* Transitions & Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 30px rgba(94, 23, 235, 0.35);
  --shadow-glow-cyan: 0 0 30px rgba(0, 229, 255, 0.35);
}

/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-dark-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container-fluid {
  width: 100%;
  padding-inline: 2rem;
}

.section {
  padding-block: 5.5rem;
  position: relative;
}

.section-lg {
  padding-block: 7.5rem;
}

.section-sm {
  padding-block: 3.5rem;
}

/* Light Section Override */
.section-light {
  background-color: var(--bg-light);
  color: var(--text-light-primary);
}

.section-light .section-title {
  color: var(--text-light-primary);
}

.section-light .section-subtitle {
  color: var(--text-light-secondary);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.display-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-dark-secondary);
  max-width: 680px;
  margin-inline: auto;
  line-height: 1.7;
}

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

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-text-cyan {
  background: var(--gradient-violet-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(94, 23, 235, 0.15);
  border: 1px solid rgba(94, 23, 235, 0.4);
  color: var(--color-cyan);
  backdrop-filter: blur(8px);
}

.badge-blue {
  background: rgba(15, 95, 220, 0.15);
  border-color: rgba(15, 95, 220, 0.4);
  color: #60A5FA;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34D399;
}

/* ==========================================================================
   Header & Sticky Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-dark);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(7, 9, 19, 0.95);
  border-bottom-color: rgba(94, 23, 235, 0.25);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #FFFFFF;
}

.brand-logo svg {
  height: 32px;
  width: auto;
}

.brand-logo .brand-highlight {
  color: var(--color-primary-light);
}

/* Main Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #E2E8F0;
  position: relative;
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
  color: #FFFFFF;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Header Action Right */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-full);
  color: var(--text-dark-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.search-trigger-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-cyan);
  color: #FFFFFF;
}

.search-trigger-btn kbd {
  font-size: 0.7rem;
  padding: 0.15rem 0.35rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Primary Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-blue-violet);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(94, 23, 235, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(94, 23, 235, 0.6);
  background: linear-gradient(135deg, #1A6CFF 0%, #6E26FF 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: #FFFFFF;
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-cyan);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.btn-outline:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: transparent;
  cursor: pointer;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: var(--transition-fast);
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px);
  background: rgba(7, 9, 19, 0.98);
  backdrop-filter: blur(20px);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: 999;
  overflow-y: auto;
}

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

.mobile-drawer .nav-link {
  font-size: 1.25rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-dark);
}

/* ==========================================================================
   Hero Section & Visual Canvas
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-block: 4rem;
  overflow: hidden;
  background: radial-gradient(circle at 75% 25%, rgba(94, 23, 235, 0.22) 0%, transparent 50%),
              radial-gradient(circle at 20% 75%, rgba(0, 229, 255, 0.12) 0%, transparent 45%),
              var(--bg-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-dark-secondary);
  line-height: 1.7;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.hero-visual-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.hero-img-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-dark-highlight);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(94, 23, 235, 0.25);
  transition: transform var(--transition-smooth);
}

.hero-img-card:hover {
  transform: translateY(-6px) scale(1.01);
}

.hero-img-card img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-img-card:hover img {
  transform: scale(1.04);
}

/* Floating Badges on Hero */
.floating-badge {
  position: absolute;
  padding: 0.85rem 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3;
  animation: float 5s ease-in-out infinite;
}

.floating-badge.badge-top-right {
  top: -20px;
  right: -20px;
  animation-delay: 0s;
}

.floating-badge.badge-bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: 2.5s;
}

.floating-badge .badge-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(94, 23, 235, 0.25);
  color: var(--color-cyan);
}

.floating-badge .badge-text strong {
  display: block;
  font-size: 0.9rem;
  color: #FFFFFF;
}

.floating-badge .badge-text span {
  font-size: 0.75rem;
  color: var(--text-dark-secondary);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ==========================================================================
   Metrics / Numbers Section
   ========================================================================== */

.metrics-strip {
  padding-block: 3.5rem;
  background: rgba(14, 18, 36, 0.6);
  border-block: 1px solid var(--border-dark);
  position: relative;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.metric-item {
  text-align: center;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: transform var(--transition-fast);
}

.metric-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(94, 23, 235, 0.3);
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 0.25rem;
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--text-dark-secondary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: #04050A;
  border-top: 1px solid var(--border-dark);
  padding-top: 5rem;
  padding-bottom: 2rem;
  position: relative;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr) 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
  margin-top: 1rem;
  line-height: 1.7;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dark);
  color: var(--text-dark-secondary);
  transition: var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  color: var(--text-dark-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-cyan);
  padding-left: 4px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.newsletter-input-group {
  display: flex;
  position: relative;
}

.newsletter-input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  padding-right: 3.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-full);
  color: #FFFFFF;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.newsletter-input-group input:focus {
  border-color: var(--color-cyan);
}

.newsletter-input-group button {
  position: absolute;
  right: 4px;
  top: 4px;
  bottom: 4px;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dark-muted);
  font-size: 0.85rem;
}

.footer-links-inline {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links-inline a:hover {
  color: #FFFFFF;
}

/* Back to top floating button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   Page Header (Inner Pages Hero)
   ========================================================================== */

.page-hero {
  padding-block: 5rem 4rem;
  background: radial-gradient(circle at 80% 20%, rgba(94, 23, 235, 0.25) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(0, 229, 255, 0.12) 0%, transparent 40%),
              #070913;
  border-bottom: 1px solid var(--border-dark);
  position: relative;
  text-align: center;
}

.page-hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.75rem);
  font-weight: 800;
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-dark-secondary);
  max-width: 720px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-content {
    align-items: center;
    text-align: center;
  }
  .hero-desc {
    margin-inline: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu, .header-actions .search-trigger-btn, .header-actions .btn {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .section {
    padding-block: 3.5rem;
  }
  .floating-badge {
    position: static;
    margin-top: 1rem;
    animation: none;
  }
}