/* 
* Main Stylesheet for aichatbotporn.pw
* Version: 1.0
*/

/* CSS Reset and Base Styles */
:root {
  --primary-color: #E83D7C;
  --secondary-color: #2D2D54;
  --accent-color: #8F5FE8;
  --light-color: #F8F0F4;
  --dark-color: #1F1F33;
  --text-color: #333333;
  --gradient: linear-gradient(135deg, #E83D7C 0%, #8F5FE8 100%);
  --shadow: 0 5px 20px rgba(232, 61, 124, 0.15);
  --radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--light-color);
}

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

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 80px 0;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 2rem;
}

.mb-4 {
  margin-bottom: 3rem;
}

/* Header */
.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  background-color: rgba(248, 240, 244, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
}

.logo svg {
  width: 35px;
  height: 35px;
  margin-right: 10px;
}

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

.main-nav ul {
  display: flex;
  list-style: none;
}

.main-nav li {
  margin-left: 1.5rem;
}

.main-nav a {
  color: var(--secondary-color);
  font-weight: 500;
  position: relative;
}

.main-nav a:before {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

.main-nav a:hover:before {
  width: 100%;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--gradient);
  color: white;
  border-radius: var(--radius);
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(232, 61, 124, 0.3);
  color: white;
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  background: var(--light-color);
  position: relative;
  overflow: hidden;
}

.hero:before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: var(--gradient);
  opacity: 0.05;
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--secondary-color);
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--text-color);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.section-subtitle {
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.8;
}

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

.feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, rgba(232, 61, 124, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
  transition: var(--transition);
  z-index: -1;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card:hover:before {
  height: 100%;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--light-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 30px;
  height: 30px;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

/* Experience Section */
.experience {
  background-color: var(--secondary-color);
  color: white;
}

.experience .section-title,
.experience .section-subtitle {
  color: white;
}

.experience-content {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.experience-text {
  flex: 1;
}

.experience-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.experience-image svg {
  max-width: 100%;
}

.highlight {
  color: var(--primary-color);
  font-weight: 700;
}

/* Testimonial Section */
.testimonials {
  background-color: white;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: 2rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.testimonial-content {
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

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

.author-title {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* CTA Section */
.cta {
  background: var(--gradient);
  color: white;
  text-align: center;
}

.cta .section-title,
.cta .section-subtitle {
  color: white;
}

.cta .btn {
  background: white;
  color: var(--primary-color);
}

.cta .btn:hover {
  background: var(--secondary-color);
  color: white;
}

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: white;
  padding: 5rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

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

.footer-logo svg {
  width: 35px;
  height: 35px;
  margin-right: 10px;
}

.footer-column h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-column h3:after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

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

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .experience-content {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--light-color);
    padding: 1rem 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    clip-path: circle(0px at 100% 0);
    transition: all 0.5s ease-in-out;
    opacity: 0;
    visibility: hidden;
  }
  
  .main-nav.active {
    clip-path: circle(1000px at 100% 0);
    opacity: 1;
    visibility: visible;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .main-nav li {
    margin-left: 0;
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}