/* 
   Unleash Networks - Global Stylesheet
   Design Language: Modern Tech Corporate / Dark Navy & Purple Accent
*/

/* ----------------------------------------------------
   1. Design System Tokens & Variables
---------------------------------------------------- */
:root {
  --color-primary-bg: #0b1f3a;       /* Dark Navy */
  --color-primary-bg-alt: #081629;   /* Darker Navy for contrast */
  --color-accent: #6a00ff;           /* Vibrant Purple */
  --color-accent-hover: #8222ff;     /* Lighter Purple for hover */
  --color-text-light: #ffffff;
  --color-text-body: #a0aec0;        /* Light Gray for body readibility */
  --color-text-dark: #1a202c;        /* For potential light sections */

  /* Light Theme Variables */
  --color-light-bg: #ffffff;
  --color-light-bg-alt: #f8fafc;
  --color-light-text-title: #0b1f3a;  /* Dark Blue contrast color */
  --color-light-text-body: #334155;   /* Gray for body readability */
  --color-light-text-muted: #475569;
  --color-light-border: rgba(11, 31, 58, 0.08);
  
  --font-heading: 'Manrope', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 20px;
  --border-radius-circle: 50%;

  --container-width: 1200px;
  --header-height: 80px;
}

/* ----------------------------------------------------
   2. Reset & Base Styles
---------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-light-bg);
  color: var(--color-light-text-body);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-light-text-title);
  line-height: 1.2;
}

p {
  color: var(--color-light-text-body);
  margin-bottom: 1.5rem;
}

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

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

/* Base focus styles for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* ----------------------------------------------------
   3. Layout & Structure
---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
  background-color: var(--color-light-bg);
  color: var(--color-light-text-body);
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}


.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-light-text-muted);
}

/* ----------------------------------------------------
   4. Header & Navigation (Responsive)
---------------------------------------------------- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal);
}

header.scrolled {
  background-color: rgba(11, 31, 58, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

@media (min-width: 769px) {
  nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

.nav-brand img {
  height: 40px;
  width: auto;
  transition: transform var(--transition-fast);
}

.nav-brand img:hover {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: #ffffff;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  opacity: 0.85;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  opacity: 1;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-toggle::after {
  content: '▾';
  font-size: 0.8rem;
  transition: transform var(--transition-fast);
}

.nav-item-dropdown:hover .dropdown-toggle::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute !important;
  top: 100%;
  left: 0 !important;
  transform: translateY(10px);
  background-color: rgba(8, 22, 41, 0.98) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  min-width: 200px;
  padding: 10px 0;
  margin-top: 10px;
  list-style: none !important;
  list-style-type: none !important;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 105;
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-body);
  transition: all var(--transition-fast);
  list-style: none !important;
  list-style-type: none !important;
}

.dropdown-item:hover {
  background-color: rgba(106, 0, 255, 0.15);
  color: var(--color-text-light);
  padding-left: 24px;
}

.dropdown-item.active {
  color: var(--color-text-light);
  border-left: 3px solid var(--color-accent);
  background-color: rgba(106, 0, 255, 0.1);
}

/* Mobile hamburger button */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px;
  z-index: 110;
}

.hamburger-line {
  display: block;
  width: 25px;
  height: 2.5px;
  margin: 5px auto;
  background-color: var(--color-text-light);
  transition: all var(--transition-normal);
  border-radius: 1px;
}

/* ----------------------------------------------------
   5. Homepage Hero Section (Particles Background)
---------------------------------------------------- */
#particles-js-container-wrapper {
  position: relative;
  width: 100%;
  min-height: 700px;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(circle at center, #020813 0%, #000c24 45%, #001f54 85%, #002f7a 100%);
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  color: #ffffff;
  padding: 100px 24px 20px 24px;
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content h1,
.hero-content p,
.hero-content a {
  color: #ffffff !important;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 1.2rem;
  font-weight: 400;
  max-width: 700px;
  margin-bottom: 40px;
}

.hero-cta {
  background-color: var(--color-accent) !important;
  border: 1px solid var(--color-accent) !important;
  color: #ffffff !important;
  padding: 12px 32px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  transition: all var(--transition-fast) !important;
}

.hero-cta:hover {
  background-color: var(--color-accent-hover) !important;
  border-color: var(--color-accent-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(106, 0, 255, 0.4);
}

.hero-logo-container {
  width: 150px;
  height: 150px;
  background-color: #ffffff;
  border-radius: var(--border-radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  animation: float 6s ease-in-out infinite;
}

.hero-logo {
  width: 90px;
  height: auto;
  display: block;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: var(--color-text-light);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.95);
  max-width: 720px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-cta {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text-light);
  padding: 14px 38px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(106, 0, 255, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hero-cta:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(106, 0, 255, 0.6);
}

.hero-cta:active {
  transform: translateY(0);
}



.hero-trisul-logo {
  margin-top: 40px;
}

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

/* ----------------------------------------------------
   6. Secondary Page Header (Sub-Hero Banner)
---------------------------------------------------- */
.sub-hero-banner {
  position: relative;
  width: 100%;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-bg);
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sub-hero-banner #particles-js-sub {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

.sub-hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  padding-top: 50px;
}

.sub-hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 1px;
}

/* ----------------------------------------------------
   7. Buttons
---------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-light);
  box-shadow: 0 4px 15px rgba(106, 0, 255, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(106, 0, 255, 0.4);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ----------------------------------------------------
   8. Page-Specific Layouts & Components
---------------------------------------------------- */
/* Home Page Intro Sections */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.intro-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.intro-title {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.intro-text {
  font-size: 1.15rem;
  color: var(--color-light-text-body);
  max-width: 750px;
  margin-bottom: 30px;
  line-height: 1.7;
}

/* About Page layout */
.about-section {
  padding: 80px 0;
  max-width: 900px;
  margin: 0 auto;
}

.about-intro-text {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-light-text-title);
  margin-bottom: 50px;
  font-weight: 500;
  border-left: 4px solid var(--color-accent);
  padding-left: 24px;
}

.about-body-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-light-text-body);
  margin-bottom: 40px;
}

/* Cards Grid for What We Do */
.what-we-do-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 40px 0 60px 0;
}

/* Glassmorphism Cards */
.card {
  background: #ffffff;
  border: 1px solid var(--color-light-border);
  border-radius: var(--border-radius-md);
  padding: 30px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02), 0 10px 15px -3px rgba(0, 0, 0, 0.03);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(106, 0, 255, 0.4);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05), 0 0 15px rgba(106, 0, 255, 0.05);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(106, 0, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-light-text-title);
}

.card-text {
  font-size: 0.95rem;
  color: var(--color-light-text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Contact Card Container Rules */
.contact-card {
  min-width: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.contact-card a,
.contact-card p {
  max-width: 100%;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.map-embed {
  margin-top: 8px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--color-light-border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.map-embed iframe {
  display: block;
  width: 100%;
}


/* Placeholder layouts (Products, Contact, Company) */
.placeholder-container {
  text-align: center;
  padding: 60px 0;
  max-width: 600px;
  margin: 0 auto;
}

.placeholder-text {
  font-size: 1.2rem;
  margin-bottom: 40px;
}

/* ----------------------------------------------------
   9. Footer
---------------------------------------------------- */
footer {
  background: radial-gradient(circle at center, #020813 0%, #000c24 45%, #001f54 85%, #002f7a 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 30px 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 350px;
}

.footer-brand-title {
  font-size: 1.4rem;
  margin-bottom: 15px;
  letter-spacing: 1px;
  color: #ffffff;
}

.footer-brand-desc {
  font-size: 0.95rem;
  color: #ffffff;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-title {
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: #ffffff;
}

.footer-nav-link {
  font-size: 0.95rem;
  color: #ffffff;
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: #00d2ff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 0.9rem;
  color: #ffffff;
}

/* ----------------------------------------------------
   10. Mobile Responsiveness (Media Queries)
---------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  /* Show Hamburger, Hide standard Nav Menu */
  .hamburger {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-primary-bg-alt);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px;
    gap: 24px;
    transition: right var(--transition-normal);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  }

  .nav-menu.open {
    right: 0;
  }

  /* Mobile Dropdown Styling */
  .nav-item-dropdown {
    width: 100%;
  }

  .nav-item-dropdown .dropdown-menu {
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin-top: 10px !important;
    margin-left: 16px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    list-style: none !important;
    list-style-type: none !important;
  }

  .nav-item-dropdown .dropdown-item {
    padding: 6px 0;
    font-size: 0.95rem;
  }

  .nav-item-dropdown .dropdown-item:hover {
    padding-left: 8px;
    background-color: transparent;
    color: var(--color-accent-hover);
  }

  /* Hamburger Toggle Animations */
  .hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }
  .hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }

  /* Hero Adjustments */
  .hero-title {
    font-size: 2.2rem;
    letter-spacing: 1px;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    margin-bottom: 30px;
  }

  .hero-logo-container {
    width: 120px;
    height: 120px;
  }

  .hero-logo {
    width: 75px;
  }

  /* Sub-hero adjust */
  .sub-hero-title {
    font-size: 2.2rem;
  }

  /* Section Adjustments */
  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  /* Footer Adjustments */
  .footer-top {
    flex-direction: column;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* EULA Container Styles */
.eula-container {
  background-color: #f1f5f9;
  border: 1px solid rgba(11, 31, 58, 0.12);
  padding: 30px;
  border-radius: var(--border-radius-md);
  margin: 40px 0;
  color: var(--color-light-text-body);
  text-align: left;
}

.eula-title {
  font-size: 1.15rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(11, 31, 58, 0.15);
  padding-bottom: 10px;
  letter-spacing: 0.5px;
  color: var(--color-light-text-title) !important;
}

.eula-section-title {
  margin: 20px 0 10px 0;
  color: var(--color-light-text-title) !important;
  font-size: 1.05rem;
  font-weight: 700;
}

.eula-bold-text {
  font-weight: 600;
  color: var(--color-light-text-title) !important;
}

/* ----------------------------------------------------
   11. Preferences (Reduced Motion)
---------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  #particles-js,
  #particles-js-sub {
    display: none;
  }
  .hero-logo-container {
    animation: none !important;
  }
}