/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  /* Colors */
  --primary-navy: #0A192F;
  --primary-navy-light: #112240;
  --accent-orange: #FF5722;
  --accent-orange-hover: #E64A19;
  --text-main: #333333;
  --text-muted: #666666;
  --text-light: #F8F9FA;
  --bg-main: #FFFFFF;
  --bg-alt: #F4F7F6;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);

  /* Typography */
  --font-family: 'Poppins', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.15);
}

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

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

body {
  font-family: var(--font-family);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--accent-orange-hover);
}

ul {
  list-style: none;
}

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

/* ==========================================================================
   Typography Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-navy { color: var(--primary-navy); }
.text-orange { color: var(--accent-orange); }
.text-white { color: var(--text-light); }
.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--accent-orange);
  border-radius: 2px;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

section {
  padding: 5rem 0;
}

.bg-alt {
  background-color: var(--bg-alt);
}
.bg-navy {
  background-color: var(--primary-navy);
  color: var(--text-light);
}
.bg-navy h2 {
  color: var(--text-light);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-weight: 600;
  border-radius: 30px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--accent-orange);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-orange-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-light);
  border-color: var(--text-light);
}

.btn-outline:hover {
  background-color: var(--text-light);
  color: var(--primary-navy);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 1px;
}

.logo-text span {
  color: var(--accent-orange);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-light);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--accent-orange);
  transition: width var(--transition-normal);
}

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

.hamburger {
  display: none;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary-navy) 0%, #1e3a5f 100%);
  overflow: hidden;
  padding-top: 80px; /* Space for navbar */
}

/* Abstract network/tech background elements */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(255, 87, 34, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(255, 87, 34, 0.1), transparent 25%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  color: var(--text-light);
}

.hero-tagline {
  color: var(--accent-orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 2rem;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.2);
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform 0.5s ease;
}

.hero-glass-card:hover {
  transform: perspective(1000px) rotateY(0deg);
}

/* ==========================================================================
   Mission & Vision Cards
   ========================================================================== */
.mv-section {
  margin-top: -80px;
  position: relative;
  z-index: 10;
  padding: 0;
}

.mv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.mv-card {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: transform var(--transition-normal);
  border-bottom: 4px solid var(--accent-orange);
}

.mv-card:hover {
  transform: translateY(-10px);
}

.mv-icon {
  width: 70px;
  height: 70px;
  background: var(--bg-alt);
  color: var(--accent-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  background: var(--bg-alt);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  border-left: 4px solid var(--primary-navy);
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-orange);
  display: block;
}

.stat-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.services-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--primary-navy);
  color: var(--primary-navy);
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary-navy);
  color: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  z-index: 1;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--primary-navy);
  z-index: -1;
  transition: height 0.4s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.service-card:hover .service-icon,
.service-card:hover .service-title,
.service-card:hover .service-desc {
  color: white;
}

.service-icon {
  font-size: 3rem;
  color: var(--accent-orange);
  margin-bottom: 1.5rem;
  transition: color 0.4s ease;
}

.service-content {
  padding: 2.5rem 2rem;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  transition: color 0.4s ease;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  transition: color 0.4s ease;
}

.service-link {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ==========================================================================
   Why Choose Us (Tabs)
   ========================================================================== */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.why-tabs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.why-tab-btn {
  background: var(--primary-navy-light);
  color: white;
  border: none;
  padding: 1rem 1.5rem;
  text-align: left;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.why-tab-btn:hover, .why-tab-btn.active {
  background: var(--accent-orange);
}

.why-tab-content {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 10px;
  border-left: 4px solid var(--accent-orange);
}

.why-tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.why-image img {
  border-radius: 15px;
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.quote-icon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  color: rgba(255, 87, 34, 0.1);
}

.stars {
  color: #FFC107;
  margin-bottom: 1rem;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--bg-alt);
  padding-top: 1rem;
}

.client-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-navy);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.client-name {
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0;
}

.client-company {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--primary-navy);
  color: var(--text-light);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-logo span {
  color: var(--accent-orange);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: white;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-orange);
  transform: translateY(-3px);
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
}

.footer-links a:hover {
  color: var(--accent-orange);
  padding-left: 5px;
}

.contact-info li {
  display: flex;
  gap: 10px;
  margin-bottom: 1rem;
  color: rgba(255,255,255,0.7);
}

.contact-info i {
  color: var(--accent-orange);
  margin-top: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

/* ==========================================================================
   Floating Widgets
   ========================================================================== */
.floating-widgets {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 999;
}

.widget-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.widget-btn:hover {
  transform: scale(1.1);
}

.whatsapp-btn {
  background-color: #25D366;
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-desc {
    margin: 0 auto 2.5rem;
  }
  .hero-glass-card {
    transform: none;
    margin: 0 auto;
  }
  .hero-glass-card:hover {
    transform: none;
  }
  
  .mv-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .about-grid, .why-us-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background: var(--primary-navy);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right 0.4s ease;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .hamburger {
    display: block;
    z-index: 1001;
  }
  
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  
  .mv-section {
    margin-top: 2rem;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-cta {
    flex-direction: column;
  }
  .section-title {
    font-size: 2rem;
  }
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}