* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.65;
    color: #222;
    background: #fff;
}
a { color: inherit; }
.container {
    width: 92%;
    max-width: 1180px;
    margin: 0 auto;
}
.ai-header {
    background: linear-gradient(135deg, #064d32, #0a6a45);
    color: #fff;
    padding: 64px 0 58px;
    text-align: center;
}
.eyebrow {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
}
.ai-header h1 {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 46px;
    line-height: 1.12;
}
.tagline {
    margin: 16px 0 8px;
    font-size: 23px;
    font-weight: 700;
}
.intro {
    max-width: 820px;
    margin: 18px auto 0;
    font-size: 18px;
}
.ai-nav {
    background: #033a26;
    border-bottom: 3px solid #8bcf9d;
}
.ai-nav .container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.ai-nav a {
    padding: 14px 17px;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
}
.ai-nav a:hover, .ai-nav a:focus {
    background: #8bcf9d;
    color: #033a26;
}
.section { padding: 66px 0; }
.section.alt { background: #eef8f1; }
.section h2 {
    margin: 0 0 20px;
    color: #064d32;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 32px;
    line-height: 1.2;
}
.section h3 { color: #064d32; line-height: 1.25; }
.section p { max-width: 920px; }
.highlight {
    margin-top: 30px;
    padding: 28px;
    background: #dff2e4;
    border-left: 6px solid #064d32;
    border-radius: 7px;
}
.highlight strong {
    display: block;
    margin-bottom: 7px;
    color: #064d32;
    font-size: 21px;
}
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.card {
    padding: 27px;
    background: #fff;
    border: 1px solid #c9ddd0;
    border-radius: 9px;
    box-shadow: 0 4px 14px rgba(0,0,0,.06);
}
.card h3 { margin-top: 0; font-size: 21px; }
.card p { margin-bottom: 0; }
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.step {
    padding: 24px;
    background: #fff;
    border: 1px solid #c9ddd0;
    border-radius: 9px;
}
.step span {
    display: inline-flex;
    width: 42px; height: 42px;
    align-items: center; justify-content: center;
    margin-bottom: 13px;
    border-radius: 50%;
    background: #064d32;
    color: #fff;
    font-weight: 700;
}
.step h3 { margin-top: 0; }
.two-column {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}
.two-column > div {
    padding: 25px;
    background: #fff;
    border: 1px solid #c9ddd0;
    border-radius: 9px;
}
.two-column h3 { margin-top: 0; }
.check-list {
    max-width: 920px;
    padding-left: 24px;
}
.check-list li { margin-bottom: 10px; }
.button {
    display: inline-block;
    margin-top: 17px;
    padding: 11px 20px;
    background: #064d32;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 5px;
}
.button:hover, .button:focus { background: #033a26; }
.button.alt-button {
    background: #fff;
    color: #064d32;
    border: 2px solid #064d32;
}
.button.large { padding: 14px 28px; font-size: 17px; }
.pricing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.price-box {
    padding: 28px;
    background: #fff;
    border: 1px solid #c9ddd0;
    border-radius: 9px;
    text-align: center;
}
.price-box.featured { border: 3px solid #064d32; }
.price-box h3 { margin-top: 0; font-size: 22px; }
.price-box strong { color: #064d32; }
.review-price {
    margin: 20px 0;
    color: #064d32;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 46px;
    font-weight: 700;
}
.cta-box {
    margin-top: 32px;
    padding: 38px;
    background: #064d32;
    color: #fff;
    border-radius: 9px;
    text-align: center;
}
.cta-box h2 { color: #fff; }
.cta-box p { margin-left: auto; margin-right: auto; }
.notice {
    padding: 20px 24px;
    background: #fff9e8;
    border: 1px solid #e5cf86;
    border-radius: 7px;
}
.faq {
    margin-bottom: 18px;
    padding: 23px 26px;
    background: #fff;
    border: 1px solid #c9ddd0;
    border-radius: 8px;
}
.faq h3 { margin: 0 0 8px; }
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}
.contact-box {
    padding: 30px;
    border: 1px solid #c9ddd0;
    border-radius: 9px;
    background: #fff;
}
.contact-box h3 { margin-top: 0; }
.contact-box a { color: #064d32; font-weight: 700; }
.small { font-size: 14px; }
.ai-footer {
    padding: 44px 0;
    background: #033a26;
    color: #fff;
    text-align: center;
}
.ai-footer p { max-width: 880px; margin: 0 auto 14px; }
.ai-footer p:last-child { margin-bottom: 0; font-size: 13px; }

@media (max-width: 900px) {
    .cards, .pricing { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .ai-header h1 { font-size: 40px; }
}
@media (max-width: 650px) {
    .ai-header { padding: 48px 0 43px; }
    .ai-header h1 { font-size: 34px; }
    .tagline { font-size: 20px; }
    .intro { font-size: 16px; }
    .ai-nav .container { display: block; }
    .ai-nav a {
        display: block;
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,.14);
    }
    .section { padding: 48px 0; }
    .section h2 { font-size: 28px; }
    .cards, .pricing, .steps, .two-column, .contact-grid {
        grid-template-columns: 1fr;
    }
    .card, .step, .price-box, .two-column > div, .contact-box {
        padding: 23px;
    }
    .highlight { padding: 23px; }
    .cta-box { padding: 30px 22px; }
}