body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}

header {
    background-color: #2f455c;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 40px;
    height: 80px;
    position: relative;
    z-index: 100;
}

.logo-link {
    position: absolute;
    left: 40px;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 53px;
    width: auto;
}

.logo {
    position: absolute;
    left: 40px;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

nav a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s ease;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

nav a:hover, nav a.active {
    border-bottom: 2px solid #3cc47f;
}

.btn-investors {
    background-color: #59d79e;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    border: none;
    text-transform: none;
    position: absolute;
    right: 40px;
}

.btn-investors:hover {
    background-color: #59d79e;
    border-bottom: none;
    color: white;
}

/* Hero Section */
.hero {
    background-color: #0a1628;
    background-image: url('Banner_01.webp');
    background-size: cover;
    background-position: center;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 12px;
    margin: 0;
    text-transform: uppercase;
}

/* Mission Section */
.mission-section {
    background-color: #364759;
    padding: 50px 40px;
    text-align: center;
    color: white;
}

.mission-content {
    max-width: 1100px;
    margin: 0 auto;
}

.mission-statement {
    font-size: 18px;
    font-weight: 600;
    font-style: normal;
    line-height: 1.7;
    margin: 0 0 30px 0;
}

.tagline {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 10px;
    margin: 0;
    text-transform: uppercase;
}

/* About Content Section */
.about-content {
    background-color: #e8e8e8;
    background-image: url('Background.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding: 80px 60px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.column p {
    font-size: 15px;
    line-height: 1.8;
    color: #444;
    margin: 0 0 25px 0;
}

/* Our Model Header */
.model-header {
    background-color: #3a4f63;
    padding: 72px 20px;
    text-align: center;
}

.model-header h2 {
    color: white;
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 8px;
    margin: 0;
    text-transform: uppercase;
}

/* Model Section (shared background) */
.model-section {
    background-color: #f9f9f9;
    background-image: url('Background.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

/* Model Diagram Section */
.model-diagram {
    padding: 80px 20px;
    text-align: center;
}

.model-container {
    max-width: 900px;
    margin: 0 auto;
}

.model-image {
    max-width: 100%;
    height: auto;
}

/* Model Description Section */
.model-description {
    padding: 0 20px 100px;
}

.three-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.model-column {
    text-align: center;
}

.model-column h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 0 0 20px 0;
}

.model-column p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin: 0;
}

/* Footer */
footer {
    background-color: #364759;
    color: white;
    padding: 30px 60px 40px;
    font-size: 14px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 30px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: white;
}

.footer-links a {
    color: white;
    text-decoration: underline;
    margin-left: 40px;
}

.social-icons {
    display: flex;
    gap: 10px;
    column-gap: 10px;
    row-gap: 10px;
}

.social-icons a {
    color: white;
    font-size: 16px;
    background-color: #59d79e;
    width: 36px;
    height: 36px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
    text-decoration: none;
    margin: 0 10px 0 0;
}

.social-icons a:last-child {
    margin-right: 0;
}

.social-icons a i {
    color: #fff;
    fill: #fff;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }
    
    .logo {
        position: relative;
        left: 0;
    }
    
    .btn-investors {
        position: relative;
        right: 0;
        margin-top: 15px;
    }
    
    nav {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }
    
    .hero-content h1 {
        font-size: 28px;
        letter-spacing: 6px;
    }
    
    .two-columns {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .three-columns {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-top {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-links a {
        margin: 0 10px;
    }
}

@media (max-width: 480px) {
  .hero,
  .hero-content {
    text-align: center;
  }

  .hero {
    height: 220px;
    background-position: top center;
  }

  .logo-img {
    height: 40px;
  }

  .mission-section {
    padding: 30px 20px;
  }

  .mission-statement {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.6;
    max-width: 320px;
    margin: 0 auto 20px;
    text-align: center;
  }

  .tagline {
        font-size: 18px;
    font-weight: 800;
    letter-spacing: 10px;
    line-height: 1;
    max-width: 280px;
    margin: 10px auto 0;
    text-transform: uppercase;
    text-align: center;
    word-break: break-word;
  }

  /* Footer spacing adjustments */
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .table-container table td::before,
  table.responsive-stack td::before {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .table-container table td,
  table.responsive-stack td {
    flex-direction: column;
    align-items: flex-start;
  }
}