/* Modern CSS with Purple Gradient Theme for AI Upscaled Porn */
:root {
  --primary: #a044ff;
  --secondary: #6a3093;
  --dark: #3a1c71;
  --text-dark: #333;
  --text-light: #fff;
  --background: #f4f4f8;
  --card-bg: #ffffff;
  --border-radius: 12px;
  --box-shadow: 0 10px 30px rgba(106, 48, 147, 0.1);
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary), var(--dark));
}

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

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

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--background);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.8rem;
}

h2 {
  font-size: 2.2rem;
  position: relative;
}

h2.underline::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--gradient);
  border-radius: 4px;
}

.text-center h2.underline::after {
  left: 50%;
  transform: translateX(-50%);
}

p {
  margin-bottom: 1.5rem;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

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

/* Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 5rem 0;
}

/* Components */
.btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: var(--gradient);
  color: var(--text-light);
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(160, 68, 255, 0.4);
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(160, 68, 255, 0.5);
  color: var(--text-light);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  box-shadow: none;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-svg {
  width: 40px;
  height: 40px;
}

.site-name {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  margin: 0;
}

/* Navigation */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-dark);
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
}

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

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

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

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  margin-top: 0;
  overflow: hidden;
  background: #1a1a2e;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient);
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40zm0-40h2l-2 2V0zm0 4l4-4h2l-6 6V4zm0 4l8-8h2L40 10V8zm0 4L52 0h2L40 14v-2zm0 4L56 0h2L40 18v-2zm0 4L60 0h2L40 22v-2zm0 4L64 0h2L40 26v-2zm0 4L68 0h2L40 30v-2zm0 4L72 0h2L40 34v-2zm0 4L76 0h2L40 38v-2zm0 4L80 0v2L42 40h-2zm4 0L80 4v2L46 40h-2zm4 0L80 8v2L50 40h-2zm4 0l28-28v2L54 40h-2zm4 0l24-24v2L58 40h-2zm4 0l20-20v2L62 40h-2zm4 0l16-16v2L66 40h-2zm4 0l12-12v2L70 40h-2zm4 0l8-8v2l-6 6h-2zm4 0l4-4v2l-2 2h-2z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--text-light);
  max-width: 700px;
}

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

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(106, 48, 147, 0.15);
}

.feature-content {
  padding: 2rem;
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 1.5rem;
}

/* Technology Section */
.technology {
  background-color: var(--card-bg);
  position: relative;
}

.technology::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--background);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
  z-index: 1;
}

.technology .container {
  position: relative;
  z-index: 2;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.tech-box {
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: var(--border-radius);
  background: var(--background);
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.tech-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(106, 48, 147, 0.15);
}

.tech-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 1.5rem;
}

.tech-icon path {
  fill: url(#techGradient);
}

/* Before & After Section */
.before-after {
  background: var(--background);
  position: relative;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.comparison-item {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.comparison-header {
  background: var(--gradient);
  color: var(--text-light);
  padding: 1rem 2rem;
  text-align: center;
  font-weight: 600;
}

.comparison-content {
  padding: 2rem;
}

/* Call to Action */
.cta {
  background: var(--gradient);
  color: var(--text-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
  opacity: 0.2;
  z-index: 1;
}

.cta-content {
  position: relative;
  z-index: 2;
  padding: 4rem 0;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  background: #1a1a2e;
  color: var(--text-light);
  padding: 4rem 0 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-branding {
  margin-bottom: 1.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  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;
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.2s;
}

.delay-2 {
  transition-delay: 0.4s;
}

.delay-3 {
  transition-delay: 0.6s;
}

/* Responsive Design */
@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  section {
    padding: 4rem 0;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 80%;
    height: 100vh;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: left 0.5s ease;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 576px) {
  .container {
    width: 95%;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero {
    min-height: 500px;
  }
  
  .hero-content {
    text-align: center;
  }
}