/* =========================================
   Hot Video Chat - Main Stylesheet
   Modern, clean, conversion-focused design
   ========================================= */

/* CSS Variables */
:root {
  --primary-color: #3B82F6;
  --primary-hover: #2563EB;
  --secondary-color: #10B981;
  --text-dark: #1F2937;
  --text-light: #6B7280;
  --bg-light: #F9FAFB;
  --bg-white: #FFFFFF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 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);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo img {
  border-radius: var(--radius-sm);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-dark);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-list a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%);
  padding: 5rem 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Buttons */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: var(--primary-color);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  min-height: 48px;
}

.cta-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.cta-btn:active {
  transform: translateY(0);
}

.cta-primary {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.cta-large {
  padding: 1.25rem 3rem;
  font-size: 1.25rem;
}

/* Floating CTA */
.cta-floating {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  padding: 1rem 2rem;
  font-size: 1rem;
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
}

/* Page Hero (About, Contact, etc) */
.page-hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%);
  padding: 4rem 0;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.page-hero p {
  font-size: 1.25rem;
  color: var(--text-light);
}

/* Page Content */
.page-content {
  padding: 4rem 0;
}

/* Sections */
section {
  padding: 4rem 0;
}

h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--text-dark);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.feature-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 3rem;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border-radius: var(--radius-lg);
  margin-top: 3rem;
}

.cta-section h3, .cta-section h2 {
  margin-bottom: 1.5rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-dark);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

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

.footer-section li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: #D1D5DB;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9CA3AF;
}

/* Page Content Styles */
.policy-content {
  max-width: 800px;
}

.policy-content h2 {
  text-align: left;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.policy-content p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.policy-content ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.policy-content li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.policy-last-updated {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 2rem;
  font-style: italic;
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-methods {
  margin-top: 2rem;
}

.contact-method {
  margin-bottom: 2rem;
}

.contact-link {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

.contact-link:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* FAQ Page */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary-color);
}

.faq-icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--text-light);
}

.faq-question[aria-expanded="true"] + .faq-answer {
  max-height: 500px;
}

/* Blog Page */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  height: 200px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-content {
  padding: 1.5rem;
}

.blog-content h2 {
  font-size: 1.25rem;
  text-align: left;
  margin-bottom: 0.75rem;
}

.blog-content h2 a {
  color: var(--text-dark);
  text-decoration: none;
}

.blog-content h2 a:hover {
  color: var(--primary-color);
}

.blog-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.read-more {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

/* Blog Article */
.blog-article {
  max-width: 800px;
  margin: 0 auto;
}

.article-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.article-meta {
  color: var(--text-light);
  font-size: 0.875rem;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.8;
}

.article-content h2 {
  text-align: left;
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
}

.article-content h3 {
  text-align: left;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.article-content p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.article-content ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content ol li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.article-tags {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.tag {
  display: inline-block;
  background: var(--bg-light);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  text-decoration: none;
  color: var(--text-dark);
  font-size: 0.875rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.article-navigation {
  margin-top: 2rem;
}

.back-to-blog {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

/* Article Footer & Related Articles */
.article-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.related-articles {
  margin-top: 1.5rem;
}

.related-articles h4 {
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: var(--text-dark);
}

/* Additional SEO Pages */
.steps-detailed .step-detailed {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: start;
}

.step-number-large {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h2 {
  text-align: left;
  margin-bottom: 1rem;
  margin-top: 0;
}

.step-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* Safety Grid */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.safety-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
}

.safety-icon {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* Tips List */
.tips-list {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 0 auto;
}

.tips-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-light);
  position: relative;
  padding-left: 2rem;
}

.tips-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

/* Features Showcase */
.features-showcase {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.feature-showcase-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.feature-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Stories Grid */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.story-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.story-quote {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.story-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar img {
  border-radius: 50%;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-info span {
  font-size: 0.875rem;
  color: var(--text-light);
}

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

.guideline-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
}

.guideline-card.positive {
  background: #ECFDF5;
  border-color: var(--secondary-color);
}

.guideline-card.negative {
  background: #FEF2F2;
  border-color: #EF4444;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.value-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: var(--radius-md);
}

/* Mobile Menu */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-list {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-list.active {
    max-height: 300px;
  }

  .nav-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .steps-detailed .step-detailed {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .feature-showcase-item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta-floating {
    bottom: 1rem;
    right: 1rem;
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }

/* Ensure no horizontal overflow */
body {
  overflow-x: hidden;
}

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}