:root {
      --axion-green: #0a7f5a;
      --axion-green-soft: #e4f4ee;
      --axion-blue: #0b3d91;
      --axion-blue-soft: #e7eefb;
      --axion-dark: #111827;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
      background-color: #ffffff;
      color: #111827;
      scroll-behavior: smooth;
    }

    /* Navbar */
    .navbar {
      box-shadow: 0 0 20px rgba(15, 23, 42, 0.08);
      transition: background-color 0.2s ease, box-shadow 0.2s ease;
    }

    .navbar.scrolled {
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(8px);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    }

    .navbar-brand span:first-child {
      letter-spacing: 0.06em;
      font-size: 0.78rem;
      text-transform: uppercase;
      color: #6b7280;
    }

    .navbar-brand span:nth-child(2) {
      font-weight: 600;
      color: var(--axion-dark);
      font-size: 1.02rem;
    }

    .nav-link {
      font-weight: 500;
      font-size: 0.9rem;
    }

    .nav-link.active,
    .nav-link:hover {
      color: var(--axion-green) !important;
    }

    /* Hero */
    .hero-section {
      padding-top: 7rem;
      padding-bottom: 6rem;
      background:
        linear-gradient(90deg, rgba(17, 24, 39, 0.82), rgba(17, 24, 39, 0.58)),
        url("hero-image.jpg") center / cover no-repeat;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      border-radius: 999px;
      padding: 0.25rem 0.75rem;
      background-color: var(--axion-blue-soft);
      color: var(--axion-blue);
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.07em;
    }

    .hero-title {
      font-size: clamp(2.4rem, 4vw, 3.1rem);
      font-weight: 700;
      color: #ffffff;
    }

    .hero-subtitle {
      font-size: 1.02rem;
      color: rgba(255, 255, 255, 0.86);
    }

    .hero-card {
      border-radius: 1.25rem;
      border: 1px solid #e5e7eb;
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
      background-color: #ffffff;
    }

    .stat-pill {
      padding: 0.6rem 0.9rem;
      border-radius: 999px;
      background-color: rgba(255, 255, 255, 0.13);
      border: 1px solid rgba(255, 255, 255, 0.22);
      font-size: 0.8rem;
      font-weight: 500;
      color: #ffffff;
    }

    .hero-section .btn-axion-outline {
      border-color: rgba(255, 255, 255, 0.62);
      color: #ffffff;
      background-color: rgba(255, 255, 255, 0.08);
    }

    .hero-section .btn-axion-outline:hover {
      background-color: #ffffff;
      color: var(--axion-dark);
    }

    .gradient-underline {
      background-image: linear-gradient(
        to right,
        rgba(10, 127, 90, 0.25),
        rgba(11, 61, 145, 0.25)
      );
      background-position: 0 100%;
      background-repeat: no-repeat;
      background-size: 100% 0.25em;
      padding-bottom: 0.05em;
    }

    /* Sections */
    section {
      padding-top: 5rem;
      padding-bottom: 5rem;
    }

    .section-label {
      text-transform: uppercase;
      letter-spacing: 0.18em;
      font-size: 0.75rem;
      font-weight: 600;
      color: #9ca3af;
    }

    .section-title {
      font-size: 1.9rem;
      font-weight: 600;
      color: var(--axion-dark);
    }

    /* Cards */
    .approach-card,
    .strategy-card,
    .research-card {
      border-radius: 1.25rem;
      border: 1px solid #e5e7eb;
      transition: transform 0.18s ease, box-shadow 0.18s ease,
        border-color 0.18s ease, background-color 0.18s ease;
      background-color: #ffffff;
    }

    .approach-card:hover,
    .strategy-card:hover,
    .research-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
      border-color: rgba(10, 127, 90, 0.45);
    }

    .approach-icon,
    .strategy-icon,
    .research-icon {
      width: 2.75rem;
      height: 2.75rem;
      border-radius: 0.9rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      background-image: linear-gradient(
        135deg,
        rgba(10, 127, 90, 0.08),
        rgba(11, 61, 145, 0.08)
      );
      color: var(--axion-green);
    }

    /* Research section accent */
    .research-highlight {
      border-radius: 1.25rem;
      border: 1px dashed rgba(148, 163, 184, 0.7);
      background: linear-gradient(
        135deg,
        rgba(10, 127, 90, 0.03),
        rgba(11, 61, 145, 0.03)
      );
    }

    /* Timeline / launch */
    .launch-pill {
      border-radius: 999px;
      background-color: var(--axion-green-soft);
      color: var(--axion-green);
      font-size: 0.8rem;
      padding: 0.4rem 0.9rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    /* Contact / CTA */
    .cta-section {
      background: linear-gradient(
        135deg,
        rgba(10, 127, 90, 0.06),
        rgba(11, 61, 145, 0.06)
      );
      border-top: 1px solid #e5e7eb;
      border-bottom: 1px solid #e5e7eb;
    }

    .contact-card {
      border-radius: 1.5rem;
      border: 1px solid rgba(148, 163, 184, 0.4);
      background-color: rgba(255, 255, 255, 0.9);
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
      backdrop-filter: blur(10px);
    }

    .btn-axion-primary {
      background: linear-gradient(135deg, var(--axion-green), var(--axion-blue));
      border: none;
      color: #ffffff;
      padding-inline: 1.75rem;
      padding-block: 0.8rem;
      border-radius: 999px;
      font-weight: 600;
      font-size: 0.92rem;
    }

    .btn-axion-primary:hover {
      filter: brightness(0.95);
      color: #ffffff;
    }

    .btn-axion-outline {
      border-radius: 999px;
      border: 1px solid rgba(15, 23, 42, 0.18);
      color: #111827;
      font-weight: 500;
      font-size: 0.9rem;
    }

    .btn-axion-outline:hover {
      background-color: #f3f4f6;
      color: #111827;
    }

    /* Footer */
    footer {
      font-size: 0.8rem;
      color: #6b7280;
    }

    footer a {
      color: #6b7280;
      text-decoration: none;
    }

    footer a:hover {
      color: var(--axion-green);
    }

    .disclosure-text {
      font-size: 0.78rem;
      color: #6b7280;
      line-height: 1.6;
    }

    /* Subtle animations */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(18px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .fade-in-up {
      opacity: 0;
      transform: translateY(18px);
      animation: fadeInUp 0.7s ease-out forwards;
    }

    .fade-delay-1 {
      animation-delay: 0.1s;
    }

    .fade-delay-2 {
      animation-delay: 0.2s;
    }

    .fade-delay-3 {
      animation-delay: 0.3s;
    }

    .fade-delay-4 {
      animation-delay: 0.4s;
    }

    @media (max-width: 991.98px) {
      .hero-section {
        padding-top: 6rem;
        padding-bottom: 4rem;
      }
    }