/* Import Modern Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Variables for Design System */
:root {
  /* Color Palette - Vibrant & Premium */
  --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, #0f0c29 0%, #302b63 50%, #24243e 100%);
  
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #4facfe;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #a0a0a0;
  --bg-dark: #0f0c29;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.1);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-primary: 'Outfit', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  background: linear-gradient(135deg, #ffffff 0%, #667eea 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

nav.scrolled {
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(15, 12, 41, 0.95);
  backdrop-filter: blur(30px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 1rem;
  transition: all var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after {
  width: 80%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(118, 75, 162, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
  max-width: 1200px;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

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

.hero h1 {
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .subtitle {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* Buttons */
.btn {
  padding: 1rem 2.5rem;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-primary);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 2px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--glass-border);
  transform: translateY(-2px);
}

/* Sections */
section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

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

.section-header h2 {
  background: linear-gradient(135deg, #ffffff 0%, #667eea 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-text p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  padding: var(--spacing-md);
  box-shadow: var(--glass-shadow);
}

.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary-gradient);
  opacity: 0.1;
}

/* Features/Services Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-10px);
  background: var(--bg-card-hover);
  box-shadow: var(--glass-shadow);
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
}

/* Contact Section */
.contact-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--glass-shadow);
}

.contact-info {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

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

.contact-info a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Footer */
footer {
  background: rgba(15, 12, 41, 0.8);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.footer-section p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-legal {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.legal-name {
  color: var(--text-secondary);
  font-weight: 600;
}

/* A2P Compliance Section */
.compliance-notice {
  background: rgba(102, 126, 234, 0.1);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
  border-radius: var(--radius-sm);
}

.compliance-notice p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: rgba(15, 12, 41, 0.98);
    backdrop-filter: blur(30px);
    width: 100%;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    transition: left var(--transition-normal);
    border-bottom: 1px solid var(--glass-border);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
}

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

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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