:root {
      --primary-gradient: linear-gradient(to right, #1e3c72, #2a5298);
      --button-gradient: linear-gradient(to right, #d55a2a, #e47833);
      --card-bg: rgba(28, 40, 51, 0.8);
      --text-light: #f9f9f9;
      --footer-bg: #333;
      --footer-text: #ccc;
      --shadow-default: 0 4px 20px rgba(0, 0, 0, 0.2);
      --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

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

    html, body {
      height: 100%;
      font-family: 'Roboto', sans-serif;
      color: var(--text-light);
      background: #0f1c2e url('https://th.bing.com/th/id/R.f03ebc766772251ec3ce0d5f8f654d13?rik=s6MUwozedVDrKA&riu=http%3a%2f%2fgetwallpapers.com%2fwallpaper%2ffull%2f5%2f2%2ff%2f501411.jpg&ehk=UwKnJdRHwjofiNLFybTpCU8wNTKmAqmVHEt4aS9X3i8%3d&risl=&pid=ImgRaw&r=0') no-repeat center center/cover;
    }

    .header {
      background-color: #111;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 25px;
      position: relative;
      z-index: 999;
    }

    .nav-logo {
      display: flex;
      align-items: center;
    }

    .logo {
      max-height: 60px;
      width: auto;
    }

    .nav-links {
      display: flex;
      gap: 25px;
    }

    .nav-links a {
      color: white;
      text-decoration: none;
      font-size: 1rem;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .nav-links a:hover {
      color: #ffb84d;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      cursor: pointer;
    }

    .hamburger div {
      width: 25px;
      height: 3px;
      background-color: white;
      margin: 4px 0;
      transition: 0.4s;
    }

    .mobile-menu {
      display: none;
      flex-direction: column;
      background-color: #111;
      padding: 10px 25px;
    }

    .mobile-menu a {
      color: white;
      text-decoration: none;
      padding: 10px 0;
      border-bottom: 1px solid #444;
    }

    .mobile-menu a:hover {
      color: #ffb84d;
    }

    .mobile-menu.show {
      display: flex;
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }

      .hamburger {
        display: flex;
      }
    }

    .hero {
      background: url('https://images.unsplash.com/photo-1610745536516-f95c2e148f4e?auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      text-align: center;
      position: relative;
      padding-top: 7rem;
    }

    .hero::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 28, 46, 0.6);
      z-index: 0;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      padding: 0 1rem;
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
    }

    .hero h1 {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1rem;
      letter-spacing: 2px;
    }

    .hero h2 {
      font-size: 2rem;
      font-weight: 400;
    }

    .buttons-container {
      margin-top: 12rem;
      display: flex;
      justify-content: center;
      gap: 1.5rem;
      flex-wrap: wrap;
    }

    .cta-button {
      background: var(--button-gradient);
      border: none;
      color: white;
      padding: 1rem 2rem;
      border-radius: 8px;
      font-size: 1.1rem;
      font-weight: bold;
      text-transform: uppercase;
      cursor: pointer;
      transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: var(--shadow-default);
    }

    .cta-button:hover,
    .cta-button:focus {
      opacity: 0.9;
      transform: scale(1.05);
      box-shadow: var(--shadow-hover);
    }

    .features {
      display: flex;
      justify-content: center;
      gap: 2rem;
      background: rgba(28, 40, 51, 1);
      padding: 3rem 1rem;
      flex-wrap: wrap;
    }

    .feature-box {
      background: var(--card-bg);
      padding: 2rem;
      border-radius: 12px;
      text-align: center;
      max-width: 280px;
      box-shadow: var(--shadow-default);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      flex: 1 1 280px;
    }

    .feature-box:hover,
    .feature-box:focus-within {
      transform: translateY(-10px);
      box-shadow: var(--shadow-hover);
    }

    .feature-box h3 {
      font-size: 1.3rem;
      margin-bottom: 0.5rem;
    }

    .feature-box p {
      font-size: 0.95rem;
      color: #dce3ec;
    }

    [data-aos] {
      opacity: 1 !important;
      transform: none !important;
    }

    footer {
      background: var(--footer-bg);
      color: var(--footer-text);
      text-align: center;
      padding: 2rem 1rem;
      font-size: 0.9rem;
      line-height: 1.5;
    }

    footer a {
      color: var(--footer-text);
      text-decoration: none;
      font-weight: bold;
      margin: 0 0.25rem;
    }

    footer a:hover {
      text-decoration: underline;
    }