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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-muted: #6b7280;
  --accent-primary: #e879f9;
  --accent-secondary: #22d3ee;
  --accent-tertiary: #8b5cf6;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 50px rgba(232, 121, 249, 0.15);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(45deg, #0a0a0f, #12121a, #1a1a24);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Floating particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: float 20s infinite linear;
  opacity: 0.3;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(18, 18, 26, 0.8);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.navbar .nav-container {
  position: relative;
}

.navbar.scrolled {
  background: rgba(18, 18, 26, 0.95);
  box-shadow: var(--shadow-glow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
  transition: transform 0.3s ease;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

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

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

.nav-links .btn {
  color: #000000 !important;
}

.nav-links .btn:hover {
  color: #000000 !important;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0 2rem;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  z-index: 2;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

/* Mouse Tracker */
.mouse-tracker {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(232, 121, 249, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  transition: transform 0.1s ease;
}

/* Parallax Elements */
.parallax-element {
  position: absolute;
  pointer-events: none;
}

.floating-shape {
  width: 100px;
  height: 100px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50%;
  opacity: 0.1;
  animation: floatShape 6s ease-in-out infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  color: #000000;
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(232, 121, 249, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  background: rgba(232, 121, 249, 0.1);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left 0.5s ease;
}

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

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

/* Sections */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: fixed;
  right: 1rem;
  top: 1rem;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.mobile-menu-toggle.active span:first-child {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding-top: 80px;
}

.mobile-menu-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  width: 100%;
  max-width: 300px;
}

.mobile-menu-item {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 500;
  padding: 1rem 2rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  text-align: center;
  width: 100%;
}

.mobile-menu-item:hover {
  background: var(--bg-secondary);
  color: var(--accent-primary);
}

.mobile-menu-item.btn-style {
  background: var(--gradient-primary);
  color: var(--text-dark);
  font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    min-height: 80vh;
    padding: 2rem 1rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
    padding-top: 2rem;
  }
  
  .hero-text h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  .hero-text p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    min-height: 48px;
    justify-content: center;
    margin-bottom: 0.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.8rem;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .nav-container {
    padding: 1rem;
  }
  
  .mobile-menu {
    padding: 1.5rem;
  }
  
  .mobile-menu .nav-links {
    gap: 1rem;
  }
  
  .mobile-menu .btn {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
  }
}

/* Loading Animation */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Smooth Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-secondary), var(--accent-primary));
}