/* 
 * aipornforum.love - Main Stylesheet
 * Created: 2025-07-23
 * Unique blue & purple theme with forum-focused design
 */

:root {
  /* Primary Colors - Blue and Purple theme */
  --primary-blue: #2196F3;
  --primary-purple: #9C27B0;
  --primary-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
  
  /* Secondary Colors */
  --dark-blue: #0d47a1;
  --light-blue: #64b5f6;
  --dark-purple: #6a1b9a;
  --light-purple: #ce93d8;
  
  /* Neutrals */
  --dark: #202124;
  --dark-gray: #424242;
  --medium-gray: #757575;
  --light-gray: #e0e0e0;
  --off-white: #f5f5f7;
  --white: #ffffff;
  
  /* Functional Colors */
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  --info: #00bcd4;
  
  /* Typography */
  --font-primary: 'Nunito', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-secondary: 'Poppins', 'Segoe UI', Roboto, Arial, sans-serif;
  --font-size-small: 0.875rem;
  --font-size-base: 1rem;
  --font-size-medium: 1.125rem;
  --font-size-large: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-xxl: 2.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-circle: 50%;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-focus: 0 0 0 3px rgba(33, 150, 243, 0.4);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.3;
  font-weight: 700;
}

h1 {
  font-size: var(--font-size-xxl);
}

h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xl);
  text-align: center;
}

h3 {
  font-size: var(--font-size-large);
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

button, input, select, textarea {
  font: inherit;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xxl) 0;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo h1 {
  font-size: var(--font-size-large);
  margin: 0;
  color: var(--dark);
  font-weight: 800;
}

nav ul {
  display: flex;
  gap: var(--space-lg);
}

nav a {
  font-weight: 600;
  font-size: var(--font-size-medium);
  color: var(--dark-gray);
  position: relative;
  transition: color var(--transition-normal);
  padding: var(--space-sm) 0;
}

nav a:hover,
nav a.active {
  color: var(--primary-blue);
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  bottom: 0;
  left: 0;
  background: var(--primary-gradient);
  transition: width var(--transition-normal);
  border-radius: var(--border-radius-sm);
}

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

.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--dark);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.05) 0%, rgba(156, 39, 176, 0.05) 100%);
  padding: var(--space-xxl) 0;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.hero-content h2 {
  font-size: clamp(var(--font-size-xl), 4vw, 3rem);
  text-align: left;
  margin-bottom: var(--space-md);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-content p {
  font-size: var(--font-size-medium);
  color: var(--dark-gray);
  margin-bottom: var(--space-xl);
}

.stats {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: var(--font-size-large);
  font-weight: 700;
  color: var(--primary-purple);
}

.stat-label {
  font-size: var(--font-size-small);
  color: var(--medium-gray);
}

.cta-button {
  display: inline-block;
  background: var(--primary-gradient);
  color: var(--white);
  font-weight: 700;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.cta-button:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.hero-image {
  display: flex;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Features Section */
.features {
  background-color: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: linear-gradient(135deg, rgba(255,255,255,1) 0%, rgba(245,245,247,1) 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--primary-gradient);
  z-index: -1;
  transition: width var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  width: 100%;
  opacity: 0.05;
}

.feature-icon {
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  position: relative;
}

.feature-card p {
  color: var(--medium-gray);
  margin-bottom: 0;
}

/* Categories Section */
.categories {
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.03) 0%, rgba(156, 39, 176, 0.03) 100%);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.category-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  border: 1px solid var(--light-gray);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.category-card h3 {
  color: var(--primary-blue);
  margin-bottom: var(--space-xs);
}

.category-card p {
  color: var(--dark-gray);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
}

.post-count {
  display: inline-block;
  background-color: rgba(33, 150, 243, 0.1);
  color: var(--primary-blue);
  font-size: var(--font-size-small);
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
}

/* CTA Section */
.cta-section {
  background: var(--primary-gradient);
  color: var(--white);
  text-align: center;
  padding: var(--space-xxl) 0;
}

.cta-section h2 {
  color: var(--white);
}

.cta-section p {
  max-width: 700px;
  margin: 0 auto var(--space-xl) auto;
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-medium);
}

.cta-section .cta-button {
  background: var(--white);
  color: var(--primary-purple);
  border: none;
}

.cta-section .cta-button:hover {
  background: var(--off-white);
  color: var(--primary-purple);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--white);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background-color: var(--off-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 5rem;
  line-height: 0;
  font-family: Georgia, serif;
  color: rgba(156, 39, 176, 0.1);
}

.quote {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-medium);
  font-style: italic;
  color: var(--dark-gray);
}

.author {
  font-weight: 600;
  color: var(--primary-purple);
}

/* Footer */
footer {
  background-color: var(--dark);
  color: var(--white);
  padding: var(--space-xxl) 0 var(--space-lg);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-right: var(--space-xxl);
}

.footer-info h3 {
  margin-bottom: var(--space-xs);
  color: var(--white);
}

.footer-info p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer-links {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xxl);
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-medium);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-small);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  :root {
    --space-xxl: 2.5rem;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }
  
  .hero-content h2,
  .hero-content p {
    text-align: center;
  }
  
  .stats {
    justify-content: center;
  }
  
  .feature-grid,
  .category-grid,
  .testimonial-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .footer-logo {
    margin-bottom: var(--space-md);
    margin-right: 0;
  }
  
  .footer-links {
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xxl: 2rem;
    --font-size-xl: 1.75rem;
  }
  
  h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
  }
  
  nav.active {
    right: 0;
  }
  
  nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  nav ul li {
    margin: var(--space-md) 0;
  }
  
  .menu-btn {
    display: flex;
    z-index: 1002;
  }
  
  .menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .hero-image {
    max-width: 80%;
    margin: var(--space-lg) auto 0;
  }
  
  .feature-grid,
  .category-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .footer-logo {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .footer-col {
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xxl: 1.5rem;
    --font-size-large: 1.25rem;
  }
  
  .hero-content h2 {
    font-size: 1.75rem;
  }
  
  .stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .stat {
    align-items: center;
  }
}