/* Modern CSS with variables for realaiporn.pw */
:root {
  --primary-color: #8e44ad;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --text-color: #333333;
  --light-text: #ffffff;
  --dark-bg: #222222;
  --light-bg: #f5f5f5;
  --gradient-bg: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
}

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

/* Header Styles */
header {
  background: var(--gradient-bg);
  color: var(--light-text);
  padding: 1.5rem 0;
  box-shadow: var(--box-shadow);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--light-text);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo svg {
  margin-right: 10px;
  height: 30px;
  width: 30px;
}

/* Navigation */
nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--light-text);
  text-decoration: none;
  transition: var(--transition);
}

nav ul li a:hover {
  opacity: 0.8;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background-color: var(--dark-bg);
  color: var(--light-text);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  background: var(--accent-color);
  color: var(--light-text);
  padding: 0.8rem 2rem;
  font-size: 1rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.features {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.2rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  margin: 0.8rem auto 0;
  border-radius: 2px;
}

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

.feature-card {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 1.5rem;
  transition: var(--transition);
}

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

.feature-icon {
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-size: 2.5rem;
}

.feature-title {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

/* CTA Section */
.cta {
  background: var(--gradient-bg);
  color: var(--light-text);
  padding: 5rem 0;
  text-align: center;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  opacity: 0.9;
}

.cta-btn {
  background: var(--accent-color);
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: var(--light-text);
  padding: 3rem 0 1.5rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--light-text);
  font-weight: 700;
  font-size: 1.5rem;
  text-decoration: none;
}

.footer-logo svg {
  margin-right: 10px;
  height: 25px;
  width: 25px;
}

.footer-links h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

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

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--light-text);
}

.copyright {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    text-align: center;
  }
  
  nav {
    margin-top: 1rem;
  }
  
  nav ul {
    flex-direction: column;
    text-align: center;
  }
  
  nav ul li {
    margin: 0.5rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .mobile-menu-btn {
    display: block;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .nav-menu.active {
    display: flex;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 15px;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}