:root {
  --primary: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  --secondary: rgba(176, 176, 176, 0.15);
  --accent: #ff6f61;
  --text: #f8f9fa;
  --glass: rgba(255, 255, 255, 0.1);
  --spacing: clamp(1rem, 3vw, 3rem);
}

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

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

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--primary);
  background-attachment: fixed;
  overflow-x: hidden;
}

.header-notice {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 12px;
  text-align: center;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  font-size: 0.9rem;
  backdrop-filter: blur(5px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem var(--spacing);
  background: rgba(0, 0, 0, 0.3);
  position: fixed;
  width: 100%;
  top: 40px;
  z-index: 999;
  backdrop-filter: blur(10px);
}

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

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

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

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

.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem var(--spacing) 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(106, 17, 203, 0.3) 0%, rgba(37, 117, 252, 0.1) 70%);
  z-index: -1;
  animation: pulse 15s infinite alternate;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.5rem);
  max-width: 800px;
  margin: 0 auto 2rem;
}

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

.section {
  margin: 4rem 0;
  position: relative;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50%;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.card {
  background: var(--glass);
  border-radius: 15px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 1rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}

.card:hover img {
  transform: scale(1.03);
}

pre {
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  border-left: 3px solid var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

code {
  font-family: 'Courier New', monospace;
  background: rgba(0,0,0,0.2);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

th {
  background: rgba(0,0,0,0.2);
  font-weight: 500;
}

tr:hover {
  background: rgba(255,255,255,0.05);
}

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  margin: 1rem 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 111, 97, 0.3);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 111, 97, 0.4);
  background: #ff8a75;
}

.footer {
  text-align: center;
  padding: 3rem 0;
  margin-top: 4rem;
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 1rem;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .hero {
    padding: 6rem 1rem 3rem;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

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

.decorative-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.3;
  z-index: -1;
}

.circle-1 {
  width: 300px;
  height: 300px;
  background: #6a11cb;
  top: 10%;
  left: 5%;
  animation: float 8s ease-in-out infinite;
}

.circle-2 {
  width: 400px;
  height: 400px;
  background: #2575fc;
  bottom: 10%;
  right: 5%;
  animation: float 10s ease-in-out infinite 2s;
}

.circle-3 {
  width: 200px;
  height: 200px;
  background: #ff6f61;
  top: 40%;
  right: 15%;
  animation: float 7s ease-in-out infinite 1s;
}