/* Modern AI Agency Landing Page Styles */
:root {
  /* 2025 Color Palette - Deep Tech & AI Theme */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%);
  
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #4facfe;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-dark: #2d3748;
  --background-dark: #0a0a0a;
  --background-card: #1a1a2e;
  --background-light: #f7fafc;
  
  /* Modern Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Shadows & Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

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

.nav-logo i {
  font-size: var(--font-size-2xl);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

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

.cta-button {
  background: var(--primary-gradient);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark-gradient);
  position: relative;
  overflow: hidden;
  padding-top: 70px; /* Account for fixed navbar */
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.primary-button {
  background: var(--primary-gradient);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}

.primary-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.secondary-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-card {
  position: absolute;
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 
              0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: professionalFloat 8s ease-in-out infinite;
  transition: all 0.3s ease;
  min-width: 120px;
  cursor: pointer;
}

.floating-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2),
              0 0 0 1px rgba(102, 126, 234, 0.3);
  border-color: rgba(102, 126, 234, 0.4);
}

.floating-card:nth-child(1) {
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  top: 50%;
  right: 30%;
  animation-delay: 2.5s;
}

.floating-card:nth-child(3) {
  top: 80%;
  right: 5%;
  animation-delay: 5s;
}

.floating-card .icon-wrapper {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xs);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.floating-card i {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.floating-card span {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  opacity: 0.9;
}

.floating-card .card-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

@keyframes professionalFloat {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
  }
  25% { 
    transform: translateY(-15px) rotate(1deg); 
  }
  50% { 
    transform: translateY(-25px) rotate(0deg); 
  }
  75% { 
    transform: translateY(-10px) rotate(-1deg); 
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Services Section */
.services {
  padding: var(--spacing-2xl) 0;
  background: var(--background-dark);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--background-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(102, 126, 234, 0.3);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.service-icon i {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.service-features {
  list-style: none;
}

.service-features li {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  position: relative;
  padding-left: var(--spacing-md);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* About Section */
.about {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-text h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.about-text p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.feature-item i {
  font-size: var(--font-size-2xl);
  background: var(--secondary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: var(--spacing-xs);
}

.feature-item h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.feature-item p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Contact Section */
.contact {
  padding: var(--spacing-2xl) 0;
  background: var(--background-dark);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-info h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-method i {
  font-size: var(--font-size-xl);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-method h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.contact-method p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Contact Form */
.contact-form {
  background: var(--background-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
}

.submit-button {
  width: 100%;
  background: var(--primary-gradient);
  color: var(--text-primary);
  border: none;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
  background: var(--dark-gradient);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-logo i {
  font-size: var(--font-size-2xl);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.footer-column h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-column a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
  transition: color 0.3s ease;
}

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

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

.footer-bottom p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Mobile Toggle Button */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-container,
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-menu .nav-link,
  .nav-menu .cta-button {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu .cta-button {
    text-align: center;
    margin-top: var(--spacing-md);
    border-bottom: none;
  }
  
  .hero-visual {
    height: 300px;
    margin-top: var(--spacing-lg);
  }
  
  .floating-card {
    min-width: 100px;
    padding: var(--spacing-sm);
  }
  
  .floating-card .icon-wrapper {
    width: 45px;
    height: 45px;
  }
  
  .floating-card i {
    font-size: var(--font-size-lg);
  }
  
  .floating-card span {
    font-size: var(--font-size-xs);
  }
  
  .floating-card .card-subtitle {
    font-size: 0.65rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-header h2 {
    font-size: var(--font-size-3xl);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .primary-button,
  .secondary-button {
    justify-content: center;
  }
}