:root {
  --primary-color: #A51931; /* Thai Red */
  --secondary-color: #2D2A4A; /* Deep Purple */
  --accent-color: #F8D16C; /* Thai Gold */
  --text-color: #333333;
  --light-color: #f7f7f7;
  --dark-color: #191919;
  --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  --radius: 8px;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* Header Styles */
.header {
  background-color: var(--secondary-color);
  color: white;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-item a {
  color: white;
  font-weight: 500;
  font-size: 16px;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-item a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 100px 0 120px;
  background-image: linear-gradient(135deg, rgba(45, 42, 74, 0.9), rgba(165, 25, 49, 0.9)), 
                   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80' width='80' height='80'%3E%3Cpath fill='%23ffffff' fill-opacity='0.1' d='M14 16H9v-2h5V9.87a4 4 0 1 1 2 0V14h5v2h-5v15.95A10 10 0 0 0 23.66 27l-3.46-2 8.2-2.2-2.9 5a12 12 0 0 1-21 0l-2.89-5 8.2 2.2-3.47 2A10 10 0 0 0 14 31.95V16zm40 40h-5v-2h5v-4.13a4 4 0 1 1 2 0V54h5v2h-5v15.95A10 10 0 0 0 63.66 67l-3.47-2 8.2-2.2-2.88 5a12 12 0 0 1-21.02 0l-2.88-5 8.2 2.2-3.47 2A10 10 0 0 0 54 71.95V56zm-39 6a2 2 0 1 1 0-4 2 2 0 0 1 0 4zm40-40a2 2 0 1 1 0-4 2 2 0 0 1 0 4zM15 8a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm40 40a2 2 0 1 0 0-4 2 2 0 0 0 0 4z'%3E%3C/path%3E%3C/svg%3E");
  color: white;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 20px;
  margin-bottom: 30px;
  opacity: 0.9;
  font-weight: 300;
}

.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--secondary-color);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(248, 209, 108, 0.3);
}

.btn-large {
  padding: 18px 36px;
  font-size: 18px;
}

/* Features Section */
.features {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 36px;
  color: var(--secondary-color);
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--accent-color);
}

.section-subtitle {
  font-size: 18px;
  color: #777;
  max-width: 700px;
  margin: 0 auto;
}

.features-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.feature-box {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  text-align: center;
  transition: transform 0.3s ease;
  border-top: 4px solid var(--primary-color);
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  padding: 15px;
  background-color: rgba(165, 25, 49, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-title {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

/* How It Works */
.how-it-works {
  padding: 80px 0;
  background-color: rgba(45, 42, 74, 0.05);
}

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  counter-reset: step-counter;
}

.step-card {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  position: relative;
  counter-increment: step-counter;
}

.step-card::before {
  content: counter(step-counter);
  position: absolute;
  top: -20px;
  left: 30px;
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 20px;
}

.step-title {
  font-size: 20px;
  margin-bottom: 15px;
  padding-left: 15px;
  border-left: 3px solid var(--accent-color);
}

/* Testimonials */
.testimonials {
  padding: 80px 0;
}

.testimonials-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.testimonial-card {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  position: relative;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  position: absolute;
  top: -15px;
  left: -5px;
  font-size: 50px;
  color: rgba(165, 25, 49, 0.1);
  font-family: Georgia, serif;
}

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

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 15px;
  background: var(--gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.author-name {
  font-weight: bold;
  margin-bottom: 5px;
}

.author-location {
  font-size: 14px;
  color: #777;
}

/* CTA Section */
.cta {
  padding: 80px 0;
  background: var(--gradient);
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta-text {
  margin-bottom: 30px;
  font-size: 18px;
  opacity: 0.9;
}

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

.btn-cta:hover {
  background: #ffdfa1;
}

/* Footer */
.footer {
  background: var(--secondary-color);
  color: white;
  padding: 60px 0 20px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}

.footer-about p {
  margin-bottom: 20px;
  opacity: 0.8;
}

.footer-title {
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
}

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

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
}

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

.copyright {
  margin-top: 40px;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  opacity: 0.7;
}

/* Media Queries */
@media (max-width: 992px) {
  .section-title {
    font-size: 30px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .cta-title {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--secondary-color);
    flex-direction: column;
    align-items: center;
    padding: 50px 0;
    transition: right 0.3s ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 28px;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  .feature-box, .step-card, .testimonial-card {
    min-width: 100%;
  }
}