/* 360BI - Modern Design System */

/* CSS Variables - Modern Dark Theme */
:root {
  --primary-gradient: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --dark-gradient: linear-gradient(180deg, #0a0a0f 0%, #1a1a2e 100%);
  
  --color-primary: #00D4FF;
  --color-secondary: #0099CC;
  --color-accent: #667eea;
  --color-dark: #0a0a0f;
  --color-dark-secondary: #16161f;
  --color-dark-tertiary: #1f1f2e;
  --color-light: #ffffff;
  --color-gray: #9ca3af;
  --color-gray-light: #e5e7eb;
  
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 40px rgba(0,212,255,0.3);
  
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background: var(--color-dark);
  color: var(--color-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container System */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-fluid {
  width: 100%;
  padding: 0 24px;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 5rem);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 2rem);
}

p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--color-gray-light);
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

/* Modern Navigation */
.nav-modern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-medium);
}

.nav-modern.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  min-height: 160px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-logo img {
  max-height: 150px;
  height: 150px;
  width: auto;
  display: block;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 3rem;
  list-style: none;
}

.nav-link {
  color: var(--color-gray-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-fast);
}

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

.nav-cta {
  background: var(--primary-gradient);
  color: var(--color-dark);
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-content {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  min-width: 280px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--border-radius);
  top: calc(100% + 10px);
  left: 0;
  padding: 0.5rem 0;
  z-index: 1000;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  pointer-events: none;
}

.dropdown:hover .dropdown-content,
.dropdown-content:hover {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* Keep dropdown visible when hovering over it */
.dropdown::before {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 10px;
  background: transparent;
}

.dropdown-content a {
  color: var(--color-gray-light);
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.dropdown-content a i {
  color: var(--color-primary);
  width: 20px;
  text-align: center;
}

.dropdown-content a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-primary);
  padding-left: 2rem;
}

/* Hamburger Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-light);
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section - Modern */
.hero-modern {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

.hero-grid {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: grid-move 20s linear infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

.hero-visual {
  animation: slideInRight 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--border-radius-xl);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-gray-light);
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* Modern Buttons */
.btn-modern {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--color-dark);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--color-light);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.btn-modern:hover .btn-icon {
  transform: translateX(4px);
}

/* Service Cards - Modern */
.services-modern {
  padding: 100px 0;
  background: var(--color-dark-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.service-card {
  background: var(--color-dark-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-medium);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-gradient);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-light);
}

.service-description {
  color: var(--color-gray);
  margin-bottom: 1.5rem;
}

.service-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-fast);
}

.service-link:hover {
  gap: 1rem;
}

/* Stats Section */
.stats-modern {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(102, 126, 234, 0.05) 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--color-gray);
}

/* Tech Stack Section */
.tech-stack {
  padding: 80px 0;
  background: var(--color-dark-secondary);
}

.tech-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.tech-logo {
  width: 120px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%) brightness(0.8);
  transition: all var(--transition-fast);
  opacity: 0.7;
}

.tech-logo:hover {
  filter: grayscale(0%) brightness(1);
  opacity: 1;
  transform: scale(1.1);
}

/* CTA Section */
.cta-modern {
  padding: 100px 0;
  background: var(--dark-gradient);
  position: relative;
  overflow: hidden;
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-light);
  margin-bottom: 3rem;
}

/* Footer Modern */
.footer-modern {
  background: var(--color-dark);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.footer-logo {
  max-height: 150px;
  height: 150px;
  width: auto;
  display: block;
  object-fit: contain;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: var(--color-gray);
  margin-bottom: 2rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

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

.social-link:hover {
  background: var(--primary-gradient);
  color: var(--color-dark);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--color-light);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--color-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

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

/* Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Animation */
.loader {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(0, 212, 255, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-visual {
    display: none;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--color-dark-secondary);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right var(--transition-medium);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-modern {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}