:root {
  --primary: #0078D4;
  --secondary: #333333;
  --accent: #FFA500;
  --highlight: #22B14C;
  --text: #f8f9fa;
  --card-bg: rgba(30, 30, 40, 0.8);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Montserrat', 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--secondary), #1a1a2e);
  color: var(--text);
  line-height: 1.6;
  padding-top: 80px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--primary), var(--highlight));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 1px;
}

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

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition);
}

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

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

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 5%;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
  padding: 3rem 0;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
}

.hero-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.hero-image:hover {
  transform: translateY(-10px);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
}

.tech-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 120, 212, 0.2);
  border: 1px solid var(--primary);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.section {
  margin-bottom: 5rem;
  position: relative;
}

.section-title {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--highlight));
  border-radius: 2px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 165, 0, 0.3);
}

.card-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.code-block {
  background: #1e1e2e;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  border-left: 4px solid var(--accent);
}

.code-block pre {
  margin: 0;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #6a9955;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
  color: #b5cea8;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #ce9178;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
  color: #d4d4d4;
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: #569cd6;
}

.token.function,
.token.class-name {
  color: #dcdcaa;
}

.token.regex,
.token.important,
.token.variable {
  color: #d16969;
}

.footer {
  text-align: center;
  padding: 3rem 0;
  margin-top: 5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-text {
  opacity: 0.7;
  font-size: 0.9rem;
}

.notice {
  background: rgba(255, 165, 0, 0.1);
  border-left: 4px solid var(--accent);
  padding: 1rem;
  margin: 2rem 0;
  border-radius: 0 5px 5px 0;
}

.notice-text {
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
}

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

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

.highlight {
  position: relative;
}

.highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 120, 212, 0.1), transparent);
  z-index: -1;
  border-radius: 10px;
}

.accordion {
  margin-bottom: 1rem;
}

.accordion-header {
  background: rgba(30, 30, 40, 0.8);
  padding: 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-header:hover {
  background: rgba(40, 40, 50, 0.8);
}

.accordion-content {
  padding: 1rem;
  background: rgba(20, 20, 30, 0.8);
  border-radius: 0 0 8px 8px;
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: none;
}

.accordion.active .accordion-content {
  display: block;
}

.accordion-icon {
  transition: var(--transition);
}

.accordion.active .accordion-icon {
  transform: rotate(180deg);
}

.glow-text {
  text-shadow: 0 0 10px rgba(0, 120, 212, 0.5);
}

.glow-box {
  box-shadow: 0 0 20px rgba(0, 120, 212, 0.3);
}