.ai-hero .container { position: relative; z-index: 3; }
    .ai-hero .ai-eyebrow {
      color: var(--accent-color, #2687d2);
      font-family: var(--nav-font, "Poppins", sans-serif);
      font-weight: 600; font-size: 13px; letter-spacing: 1.4px;
      margin: 0 0 16px;
    }
    .ai-hero h1 { margin-bottom: 18px; }
    .ai-hero .ai-tagline {
      color: var(--accent-color, #2687d2);
      font-family: var(--heading-font, "Raleway", sans-serif);
      font-weight: 700; font-size: 22px;
      margin: 0 0 16px;
    }
    .ai-hero .ai-lead { max-width: 520px; margin: 0 0 30px; }
    .ai-hero .btn-get-started { display: inline-block; }
    .ai-hero-art svg { display: block; width: 100%; height: auto; max-width: 440px; margin: 0 auto; }
    @media (min-width: 992px) { .ai-hero-art svg { margin-right: 0; } }

    /* ---------- sections below the hero ---------- */
    .ai-section { padding: 56px 0 0; }
    .ai-section ul, .ai-section ol { list-style: none; margin: 0; padding: 0; }
    .ai-section p, .ai-section h2, .ai-section h3 { margin: 0; }
    .ai-head { margin-bottom: 30px; }
    .ai-head h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); font-weight: 700; color: var(--heading-color, #123f63); margin-bottom: 8px; }
    .ai-head p { max-width: 640px; }

    .ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .ai-card { background: #f0f5fa; border-radius: 14px; padding: 26px 26px 28px; transition: transform .2s, box-shadow .2s; }
    .ai-grid .ai-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(10, 37, 64, .09); }
    .ai-card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
    .ai-icon { flex: none; width: 46px; height: 46px; display: grid; place-items: center; background: #fff; border-radius: 10px; color: var(--accent-color, #2687d2); }
    .ai-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
    .ai-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--heading-color, #123f63); }
    .ai-card p { font-size: 15px; }
    @media (max-width: 991px) { .ai-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 620px) { .ai-grid { grid-template-columns: 1fr; } }

    .ai-capability { display: flex; justify-content: space-between; align-items: baseline; gap: 12px 24px; flex-wrap: wrap; margin-top: 26px; font-size: 14px; }
    .ai-capability strong { color: var(--accent-color, #2687d2); font-weight: 700; }

    .ai-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
    .ai-steps li { position: relative; background: #f0f5fa; border-radius: 14px; padding: 24px 22px; }
    .ai-steps li:not(:last-child)::after {
      content: ""; position: absolute; top: 38px; right: -25px; width: 22px; height: 12px;
      background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 12' fill='none' stroke='%232687d2' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 6h19M15 1l5 5-5 5'/%3E%3C/svg%3E");
    }
    .ai-step-num { display: block; font-family: var(--heading-font, "Raleway", sans-serif); font-weight: 800; font-size: 2.2rem; color: var(--accent-color, #2687d2); line-height: 1; margin-bottom: 14px; }
    .ai-steps h3 { font-size: .95rem; letter-spacing: .6px; font-weight: 700; color: var(--heading-color, #123f63); margin-bottom: 6px; }
    .ai-steps p { font-size: 14px; line-height: 1.5; }
    @media (max-width: 991px) { .ai-steps { grid-template-columns: repeat(2, 1fr); } .ai-steps li:not(:last-child)::after { display: none; } }
    @media (max-width: 560px) { .ai-steps { grid-template-columns: 1fr; } }

    .ai-layers { display: grid; gap: 10px; }
    .ai-layer { display: flex; gap: 12px 32px; flex-wrap: wrap; align-items: center; border-left: 5px solid var(--accent-color, #2687d2); border-radius: 0 10px 10px 0; padding: 16px 24px; }
    .ai-layer:nth-child(1) { background: #e7f2fb; }
    .ai-layer:nth-child(2) { background: #dfecf7; }
    .ai-layer:nth-child(3) { background: #d8e7f3; }
    .ai-layer:nth-child(4) { background: #d0e1ef; }
    .ai-layer h3 { flex: 0 0 210px; font-size: .82rem; letter-spacing: .8px; font-weight: 700; color: var(--heading-color, #123f63); }
    .ai-layer p { flex: 1 1 260px; font-size: 14.5px; color: #3d4f60; }

    .ai-scope { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .ai-scope h3 { color: var(--accent-color, #2687d2); font-size: .95rem; letter-spacing: .8px; font-weight: 700; margin-bottom: 14px; }
    .ai-scope li { position: relative; padding: 4px 0 4px 20px; }
    .ai-scope li::before { content: ""; position: absolute; left: 0; top: 14px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-color, #2687d2); }
    .ai-scope .ai-card:last-child li::before { background: var(--heading-color, #123f63); }
    .ai-fineprint { font-size: 13.5px; margin-top: 20px !important; max-width: 900px; }
    @media (max-width: 700px) { .ai-scope { grid-template-columns: 1fr; } }

    .ai-cta-band { display: flex; justify-content: space-between; align-items: center; gap: 20px 32px; flex-wrap: wrap; background: var(--heading-color, #123f63); border-radius: 14px; padding: 30px 40px; color: #cddceb; }
    .ai-cta-band h2 { color: #fff; font-size: 1.15rem; letter-spacing: .6px; font-weight: 700; margin-bottom: 4px; }
    .ai-cta-band a:not(.btn-get-started) { color: #cddceb; }
    .ai-cta-band a:not(.btn-get-started):hover { color: #fff; }
    .ai-cta-band .btn-get-started { margin: 0; }