:root {
  --primary: #0E3D77;
  --secondary: #8C64FF;
  --accent: #FF914D;
  --bg-light: #F8F9FA;
  --bg-dark: #EAECEF;
  --text-dark: #333333;
  --text-light: #555555;
  --white: #ffffff;
  --shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

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

body {
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, var(--bg-light), var(--bg-dark));
  color: var(--text-dark);
  line-height: 1.6;
  padding-top: 80px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 1rem 5%;
  box-shadow: var(--shadow);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--white), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: var(--text-dark);
}

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

.hero-image img {
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.5s ease;
}

.hero-image img:hover {
  transform: translateY(-10px) rotate(5deg);
}

.section-title {
  font-size: 2rem;
  margin: 3rem 0 1.5rem;
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50%;
  height: 4px;
  background: linear-gradient(to right, var(--accent), var(--secondary));
  border-radius: 2px;
}

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

.card {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.card-img {
  height: 200px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img img {
  transform: scale(1.1);
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

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

.btn {
  display: inline-block;
  background: linear-gradient(to right, var(--accent), var(--secondary));
  color: var(--white);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(255, 145, 77, 0.3);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 145, 77, 0.4);
}

.features {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 4rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.feature-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 1.5rem;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: 0 5px 15px rgba(140, 100, 255, 0.3);
}

.feature-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.feature-content p {
  color: var(--text-light);
}

.code-block {
  background: #282c34;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.code-block pre {
  margin: 0;
  font-family: 'Courier New', Courier, monospace;
  color: #abb2bf;
  line-height: 1.5;
  tab-size: 4;
}

.code-block .language-css {
  color: #e06c75;
}

.code-block .property {
  color: #d19a66;
}

.code-block .value {
  color: #98c379;
}

.code-block .selector {
  color: #e5c07b;
}

.footer {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  text-align: left;
}

.footer-column h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50%;
  height: 3px;
  background: var(--accent);
}

.footer-column p, .footer-column a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  display: block;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.copyright {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .nav {
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    padding: 1rem;
  }
  
  .header h1 {
    margin-bottom: 1rem;
  }
  
  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero {
    padding: 2rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-column h3::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .social-links {
    justify-content: center;
  }
}

/* Animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse {
  animation: pulse 3s ease-in-out infinite;
}

.notice {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--white);
  color: var(--primary);
  padding: 15px 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  animation: slideIn 0.5s forwards 1s;
}

@keyframes slideIn {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.notice-icon {
  color: var(--accent);
  font-size: 1.5rem;
}