:root {
    --primary-color: #0f2027;
    --secondary-color: #203a43;
    --tertiary-color: #2c5364;
    --accent-color: #ff5722;
    --text-color: #ffffff;
    --card-bg: #1e2a38;
    --card-hover: #283846;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

  @font-face {
    font-family: 'Roboto';
    src: url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
  }

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

  body {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--tertiary-color));
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 30px 60px;
  }

  .header-notice {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 87, 34, 0.9);
    color: white;
    text-align: center;
    padding: 10px;
    z-index: 2000;
    font-size: 14px;
    backdrop-filter: blur(5px);
  }

  .navbar {
    position: fixed;
    top: 40px;
    width: 100%;
    background: rgba(16, 24, 32, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: var(--shadow);
  }

  .nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
  }

  .nav-menu {
    display: flex;
    gap: 30px;
  }

  .nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
  }

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

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

  .hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 80px;
    min-height: 500px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #ffffff, #a0d2eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
  }

  .hero-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition);
  }

  .hero-image:hover {
    transform: perspective(1000px) rotateY(0deg);
  }

  .hero-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
  }

  .hero-image:hover img {
    transform: scale(1.05);
  }

  .section-title {
    font-size: 2rem;
    margin: 60px 0 30px;
    position: relative;
    display: inline-block;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
  }

  article {
    background: rgba(30, 42, 56, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow);
    margin-bottom: 60px;
  }

  article h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #a0d2eb;
  }

  article h3 {
    font-size: 1.5rem;
    margin: 40px 0 20px;
    color: #ffffff;
  }

  article p {
    margin-bottom: 20px;
    font-size: 1.1rem;
  }

  pre {
    background: #0d1a23;
    border-radius: 8px;
    padding: 20px;
    margin: 25px 0;
    overflow-x: auto;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
    border-left: 4px solid var(--accent-color);
  }

  code {
    font-family: 'Courier New', monospace;
    color: #f8f8f2;
    font-size: 0.9rem;
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
  }

  .feature-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
  }

  .feature-card:hover {
    transform: translateY(-10px);
    background: var(--card-hover);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    background: rgba(255, 87, 34, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .feature-icon img {
    width: 30px;
    height: 30px;
  }

  .feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #a0d2eb;
  }

  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 50px 0;
  }

  .gallery-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
  }

  .gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  }

  .gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
  }

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

  .gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 15px;
    color: white;
    transform: translateY(100%);
    transition: var(--transition);
  }

  .gallery-item:hover .gallery-caption {
    transform: translateY(0);
  }

  .accordion {
    margin: 40px 0;
  }

  .accordion-item {
    background: var(--card-bg);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .accordion-header {
    padding: 20px;
    background: rgba(40, 56, 70, 0.5);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
  }

  .accordion-header:hover {
    background: rgba(40, 56, 70, 0.8);
  }

  .accordion-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
  }

  .accordion-item.active .accordion-content {
    padding: 20px;
    max-height: 1000px;
  }

  .footer {
    background: rgba(16, 24, 32, 0.9);
    padding: 40px 0;
    text-align: center;
    margin-top: 80px;
    backdrop-filter: blur(5px);
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
  }

  .footer-link {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
  }

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

  .scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.4);
    z-index: 100;
  }

  .scroll-top.active {
    opacity: 1;
    visibility: visible;
  }

  .scroll-top:hover {
    transform: translateY(-5px);
    background: #e64a19;
  }

  @media (max-width: 992px) {
    .hero {
      grid-template-columns: 1fr;
      text-align: center;
    }
    
    .hero-image {
      max-width: 500px;
      margin: 0 auto;
    }
    
    .nav-menu {
      display: none;
    }
  }

  @media (max-width: 768px) {
    .container {
      padding: 100px 20px 40px;
    }
    
    article {
      padding: 30px 20px;
    }
    
    .features-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Animations */
  @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;
  }

  /* Intersection Observer animations */
  [data-animate] {
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition);
  }

  [data-animate].animate {
    opacity: 1;
    transform: translateY(0);
  }