:root {
    --primary: #176d6a;
    --secondary: #0e3c3a;
    --teal: #2b8c8a;
    --blue: #0a4a7a;
    --purple: #7c3aed;
    --gray-bg: #f5fafd;
    --gray: #6b7280;
    --border: #e5e7eb;
    --radius: 16px;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  

  
  body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #fff;
    color: #222;
    line-height: 1.6;
  }
  
  
  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  header {
    background: #fff;
    padding: 18px 0;
  }
  
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .logo {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--primary);
    letter-spacing: 1px;
  }
  
  nav a {
    margin: 0 16px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.2s;
  }
  
  nav a:hover {
    color: var(--secondary);
  }
  
  .social-icons a {
    color: var(--primary);
    margin-left: 12px;
    font-size: 1.2rem;
    transition: color 0.2s;
  }
  
  .social-icons a:hover {
    color: var(--teal);
  }
  
  
  .hero {
    width: 100%;
    padding: 120px 0 120px 0;
    background: #fff;
    display: flex;
    justify-content: center;
    position: relative;
  }
  
  .hero-box {
    text-align: center;
    width: 100%;
  }
  
  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    gap: 24px;
  }
  
  .hero-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 20px;
  }
  
  .hero h1 {
    font-size: 3.2rem;
    color: var(--primary);
    margin-bottom: 18px;
    font-weight: 700;
  }

  
  
  .hero p {
    color: var(--gray);
    font-size: 1.4rem;
    margin-bottom: 32px;
  }
  
  .btn-primary {
    background: linear-gradient(90deg, #2b8c8a 0%, #0a4a7a 100%);
    color: #fff;
    padding: 18px 48px;
    border-radius: 8px;
    font-size: 1.4rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
    display: inline-block;
    border: none;
  }
  
  .btn-primary:hover {
    background: linear-gradient(90deg, #176d6a 0%, #0e3c3a 100%);
  }
  
  .hero-bg-icon.left {
    position: absolute;
    top: 60px;
    left: 60px;
    font-size: 4.2rem;
    opacity: 0.18;
    z-index: 1;
    pointer-events: none;
    max-width: 100px;
    max-height: 100px;
    overflow: hidden;
  }
  
  .hero-bg-icon.right {
    position: absolute;
    top: 60%;
    right: 60px;
    font-size: 4.2rem;
    opacity: 0.18;
    z-index: 1;
    pointer-events: none;
    max-width: 100px;
    max-height: 100px;
    overflow: hidden;
  }
  
  .ecosystem {
    padding: 48px 0 32px 0;
    background: #fff;
    text-align: center;
  }
  
  .ecosystem h2 {
    font-size: 2.1rem;
    margin-bottom: 36px;
    font-weight: 700;
  }
  
  .cards {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
  }
  
  .card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    width: 320px;
    padding: 28px 22px 22px 22px;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .card-icon {
    font-size: 2.1rem;
    margin-bottom: 10px;
    border-radius: 8px;
    padding: 12px;
    padding-right: 22px;
    padding-left: 22px;
    display: inline-block;
  }
  
  .card-icon.blue { color: var(--blue); background: #e6f0fa; }
  .card-icon.teal { color: var(--teal); background: #e6f7f6; }
  .card-icon.purple { color: var(--purple); background: #f3e8ff; }
  
  .card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 2px;
    font-weight: 700;
  }

  .card:nth-child(1) h3 {
    color: var(--blue);
  }

  .card:nth-child(2) h3 {
    color: var(--teal);
  }

  .card:nth-child(3) h3 {
    color: var(--purple);
  }
  
  .card-subtitle {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 12px;
  }
  
  .card ul {
    margin-bottom: 18px;
    padding-left: 18px;
  }
  
  .card ul li {
    margin-bottom: 7px;
    font-size: 1rem;
    list-style: disc;
  }
  
  .btn-secondary {
    padding: 8px 22px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
    transition: background 0.2s;
    margin-top: auto;
    border: none;
  }
  
  .btn-secondary.blue {
    background: linear-gradient(90deg, #09649D 0%, #01304D 100%);
  }
  .btn-secondary.blue:hover {
    background: linear-gradient(90deg, #01304D 0%, #09649D 100%);
  }
  
  .btn-secondary.teal {
    background: linear-gradient(90deg, #2b8c8a 0%, #43e0c6 100%);
  }
  .btn-secondary.teal:hover {
    background: linear-gradient(90deg, #176d6a 0%, #2b8c8a 100%);
  }
  
  .btn-secondary.purple {
    background: linear-gradient(90deg, #7c3aed 0%, #a78bfa 100%);
  }
  .btn-secondary.purple:hover {
    background: linear-gradient(90deg, #5b21b6 0%, #7c3aed 100%);
  }
  
  .about {
    padding: 40px 0;
    text-align: center;
  }
  
  .about h2 {
    font-size: 3rem;
    color: #111;
    margin-bottom: 18px;
    font-weight: 700;
  }
  
  .about p {
    color: var(--gray);
    font-size: 1.13rem;
    max-width: 900px;
    margin: 0 auto;
  }
  
  .contact {
    padding: 48px 0 32px 0;
    text-align: center;
  }
  
  .contact h2 {
    font-size: 2rem;
    margin-bottom: 32px;
    font-weight: 700;
  }
  
  .contact-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
  }
  
  .contact-card {
    background: var(--gray-bg);
    border-radius: var(--radius);
    padding: 28px 32px;
    min-width: 220px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  }
  
  .contact-icon {
    font-size: 2.1rem;
    color: var(--primary);
    margin-bottom: 10px;
  }
  
  .contact-card h4 {
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 6px;
    font-weight: 700;
  }
  
  .contact-card p {
    color: var(--gray);
    font-size: 1rem;
  }
  
  footer {
    background: #fff;
    text-align: center;
    padding: 32px 0 18px 0;
    width: 100%;
  }
  
  .footer-content {
    max-width: 900px;
    margin: 0 auto;
  }
  
  .footer-logo {
    font-size: 1.3rem;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  
  .footer-content p {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 12px;
  }
  
  .footer-social a {
    color: var(--primary);
    margin: 0 8px;
    font-size: 1.2rem;
    transition: color 0.2s;
  }
  
  .footer-social a:hover {
    color: var(--teal);
  }
  
  .footer-links {
    color: var(--primary);
    font-size: 1rem;
    margin-top: 10px;
    letter-spacing: 0.2px;
  }

  .footer-links .scanpro {
    color: var(--blue);
  }

  .footer-links .tradingverge {
    color: var(--teal);
  }

  .footer-links .club51 {
    color: var(--purple);
  }
  
  /* Tablet and smaller desktop */
  @media (max-width: 1024px) {
    .hero {
      padding: 80px 0;
    }
    
    .hero h1 {
      font-size: 2.8rem;
    }
    
    .hero p {
      font-size: 1.2rem;
    }
    
    .cards {
      gap: 20px;
    }
    
    .card {
      width: 300px;
      padding: 24px 20px;
    }
  }

  @media (max-width: 1200px) {
    .hero-bg-icon.right {
      right: 30px;
      font-size: 3rem;
      max-width: 70px;
      max-height: 70px;
    }
    .hero-bg-icon.left {
      left: 30px;
      top: 40px;
      font-size: 3rem;
      max-width: 70px;
      max-height: 70px;
    }
  }

  @media (max-width: 900px) {
    .hero {
      padding: 60px 0;
    }
    
    .hero h1 {
      font-size: 2.4rem;
    }
    
    .hero p {
      font-size: 1.1rem;
      margin-bottom: 28px;
    }
    
    .btn-primary {
      padding: 16px 40px;
      font-size: 1.2rem;
    }
    
    .cards, .contact-cards {
      flex-direction: column;
      align-items: center;
      gap: 24px;
    }
    
    .card, .contact-card {
      width: 100%;
      max-width: 400px;
    }
    
    .ecosystem {
      padding: 40px 0 24px 0;
    }
    
    .ecosystem h2 {
      font-size: 1.8rem;
      margin-bottom: 32px;
    }
    
    .about h2, .contact h2 {
      font-size: 1.8rem;
    }
    
    .hero-bg-icon.left {
      display: none;
    }
    
    .hero-bg-icon.right {
      display: none;
    }
  }

  @media (max-width: 768px) {
    .container {
      width: 95%;
    }
    
    .hero {
      padding: 50px 0;
    }
    
    .hero h1 {
      font-size: 2rem;
      margin-bottom: 16px;
    }
    
    .hero p {
      font-size: 1rem;
      margin-bottom: 24px;
    }
    
    .hero-icon {
      font-size: 3rem;
      margin-bottom: 16px;
    }
    
    .btn-primary {
      padding: 14px 36px;
      font-size: 1.1rem;
    }
    
    .ecosystem h2 {
      font-size: 1.6rem;
      margin-bottom: 28px;
    }
    
    .card {
      padding: 20px 18px;
    }
    
    .card h3 {
      font-size: 1.2rem;
    }
    
    .card ul li {
      font-size: 0.95rem;
    }
    
    .btn-secondary {
      padding: 7px 20px;
      font-size: 0.95rem;
    }
    
    .about h2, .contact h2 {
      font-size: 1.6rem;
      margin-bottom: 24px;
    }
    
    .about p {
      font-size: 1rem;
    }
    
    .contact-card {
      padding: 24px 28px;
    }
    
    .hero-bg-icon.left {
      top: 80px;
      left: 30px;
      font-size: 2.5rem;
    }
  }

  @media (max-width: 600px) {
    .container {
      width: 98%;
    }
    
    .nav-container {
      flex-direction: column;
      gap: 12px;
      padding: 0 16px;
    }
    
    .logo {
      font-size: 1.8rem;
    }
    
    nav {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
    }
    
    nav a {
      margin: 0;
      font-size: 1rem;
    }
    
    .social-icons {
      display: flex;
      gap: 16px;
    }
    
    .social-icons a {
      margin-left: 0;
      font-size: 1.1rem;
    }
    
    .hero {
      padding: 40px 0;
    }
    
    .hero h1 {
      font-size: 1.8rem;
      margin-bottom: 12px;
    }
    
    .hero p {
      font-size: 0.95rem;
      margin-bottom: 20px;
    }
    
    .hero-icon {
      font-size: 2.5rem;
      margin-bottom: 12px;
    }
    
    .btn-primary {
      padding: 12px 32px;
      font-size: 1rem;
    }
    
    .ecosystem {
      padding: 32px 0 20px 0;
    }
    
    .ecosystem h2 {
      font-size: 1.4rem;
      margin-bottom: 24px;
    }
    
    .cards {
      gap: 20px;
    }
    
    .card {
      padding: 18px 16px;
    }
    
    .card-icon {
      font-size: 1.8rem;
      padding: 10px;
      padding-right: 18px;
      padding-left: 18px;
    }
    
    .card h3 {
      font-size: 1.1rem;
    }
    
    .card-subtitle {
      font-size: 0.9rem;
    }
    
    .card ul li {
      font-size: 0.9rem;
      margin-bottom: 6px;
    }
    
    .btn-secondary {
      padding: 6px 18px;
      font-size: 0.9rem;
    }
    
    .about {
      padding: 32px 0;
    }
    
    .about h2 {
      font-size: 1.4rem;
      margin-bottom: 16px;
    }
    
    .about p {
      font-size: 0.95rem;
    }
    
    .contact {
      padding: 32px 0 20px 0;
    }
    
    .contact h2 {
      font-size: 1.4rem;
      margin-bottom: 24px;
    }
    
    .contact-cards {
      gap: 20px;
    }
    
    .contact-card {
      padding: 20px 24px;
    }
    
    .contact-icon {
      font-size: 1.8rem;
    }
    
    .contact-card h4 {
      font-size: 1rem;
    }
    
    .contact-card p {
      font-size: 0.9rem;
    }
    
    .hero-bg-icon.left {
      top: 60px;
      left: 20px;
      font-size: 2rem;
    }
  }

  @media (max-width: 600px) {
    .hero-bg-icon.right {
      display: none;
    }
  }

  @media (max-width: 480px) {
    .hero-bg-icon.left,
    .hero-bg-icon.right {
      display: none;
    }
    
    footer {
      padding: 24px 0 16px 0;
    }
    
    .footer-logo {
      font-size: 1.1rem;
      margin-bottom: 6px;
    }
    
    .footer-content p {
      font-size: 0.9rem;
      margin-bottom: 10px;
    }
    
    .footer-social a {
      font-size: 1.1rem;
      margin: 0 6px;
    }
    
    .footer-links {
      font-size: 0.9rem;
      margin-top: 8px;
    }
  }

  @media (max-width: 480px) {
    .container {
      width: 100%;
      padding: 0 12px;
    }
    
    .hero h1 {
      font-size: 1.6rem;
    }
    
    .hero p {
      font-size: 0.9rem;
    }
    
    .hero-icon {
      font-size: 2.2rem;
    }
    
    .btn-primary {
      padding: 10px 28px;
      font-size: 0.95rem;
    }
    
    .ecosystem h2 {
      font-size: 1.3rem;
    }
    
    .card {
      padding: 16px 14px;
    }
    
    .card-icon {
      font-size: 1.6rem;
      padding: 8px;
      padding-right: 16px;
      padding-left: 16px;
    }
    
    .card h3 {
      font-size: 1rem;
    }
    
    .card ul li {
      font-size: 0.85rem;
    }
    
    .btn-secondary {
      padding: 5px 16px;
      font-size: 0.85rem;
    }
    
    .about h2, .contact h2 {
      font-size: 1.3rem;
    }
    
    .about p {
      font-size: 0.9rem;
    }
    
    .contact-card {
      padding: 18px 20px;
    }
    
    .contact-icon {
      font-size: 1.6rem;
    }
    
    .contact-card h4 {
      font-size: 0.95rem;
    }
    
    .contact-card p {
      font-size: 0.85rem;
    }
    
    .footer-logo {
      font-size: 1rem;
    }
    
    .footer-content p {
      font-size: 0.85rem;
    }
    
    .footer-links {
      font-size: 0.85rem;
    }
  }

  .section-container {
    max-width: 900px;
    margin: 40px auto;         /* space above and below */
    border-radius: 24px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.04);
    padding: 48px 32px;
    background: var(--gray-bg);
    position: relative;
  }

  .about-container {
    background: transparent;
    max-width: 1100px;
    padding: 64px 32px;
    margin: 40px auto;
  }

  .contact-container {
    background: var(--gray-bg);
  }

  .footer-container {
    background: #fff;
    border: none;
    text-align: center;
    padding: 32px 16px;
  }

  @media (max-width: 1000px) {
    .section-container {
      max-width: 98vw;
      padding: 32px 16px;
    }
    
    .about-container {
      padding: 48px 24px;
    }
  }

  @media (max-width: 768px) {
    .section-container {
      max-width: 100%;
      padding: 24px 16px;
      margin: 24px auto;
    }
    
    .about-container {
      padding: 32px 20px;
    }
  }

  @media (max-width: 480px) {
    .section-container {
      padding: 20px 12px;
      margin: 16px auto;
      border-radius: 16px;
    }
    
    .about-container {
      padding: 24px 16px;
    }
  }