.ai-tech-intro,
.ai-products,
.ai-tech-innovation,
.ai-tech-integration,
.ai-tech-human-centered,
.ai-tech-sustainable,
.ai-stack {
    padding: 88px 0;
}

.ai-tech-intro { background: var(--bg-elevated); }
.ai-products { background: var(--bg); }
.ai-tech-innovation,
.ai-tech-human-centered { background: var(--bg-elevated); border-top: 1px solid var(--border); }
.ai-tech-integration,
.ai-tech-sustainable { background: var(--bg); }
.ai-stack { background: var(--bg-elevated); border-top: 1px solid var(--border); }

.ai-tech-intro p {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    font-size: 19px;
    line-height: 1.47;
    color: var(--text-secondary);
}

.ai-products h2,
.ai-stack h2,
.ai-tech-innovation h2,
.ai-tech-integration h2,
.ai-tech-human-centered h2,
.ai-tech-sustainable h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 12px;
}

.ai-products h2,
.ai-stack h2 {
    text-align: center;
    margin-bottom: 40px;
}

.ai-tech-innovation h3,
.ai-tech-integration h3,
.ai-tech-human-centered h3,
.ai-tech-sustainable h3 {
    font-size: 19px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 16px;
}

.ai-tech-innovation p,
.ai-tech-integration p,
.ai-tech-human-centered p,
.ai-tech-sustainable p {
    font-size: 17px;
    line-height: 1.47;
    color: var(--text-secondary);
    margin-bottom: 20px;
    max-width: 720px;
}

.ai-tech-innovation ul,
.ai-tech-integration ul,
.ai-tech-human-centered ul,
.ai-tech-sustainable ul {
    list-style: none;
    max-width: 720px;
}

.ai-tech-innovation li,
.ai-tech-integration li,
.ai-tech-human-centered li,
.ai-tech-sustainable li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.ai-tech-innovation li::before,
.ai-tech-integration li::before,
.ai-tech-human-centered li::before,
.ai-tech-sustainable li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.ai-tech-innovation li strong,
.ai-tech-integration li strong,
.ai-tech-human-centered li strong,
.ai-tech-sustainable li strong {
    color: var(--text);
    font-weight: 600;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.product-card {
    background: var(--bg-elevated);
    border-radius: var(--radius);
    padding: 32px 28px;
    border: 1px solid var(--border);
    scroll-margin-top: 72px;
}

.product-card i {
    font-size: 20px;
    color: var(--accent);
    margin-bottom: 16px;
}

.product-card h3 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 10px;
}

.product-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.product-card ul {
    list-style: none;
}

.product-card li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.product-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.stack-item {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 24px;
}

.stack-item span {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
}

.stack-item h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.stack-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.ai-tech-cta {
    padding: 88px 0;
    background: var(--text);
    color: #fff;
    text-align: center;
}

.ai-tech-cta p {
    max-width: 560px;
    margin: 0 auto 28px;
    font-size: 19px;
    line-height: 1.4;
    color: rgba(255,255,255,0.7);
}

.ai-tech-btn-primary {
    display: inline-flex;
    padding: 12px 24px;
    background: #fff;
    color: var(--text);
    border-radius: 980px;
    font-size: 17px;
    font-weight: 500;
    text-decoration: none;
}

.ai-tech-btn-primary:hover {
    background: #f5f5f7;
    color: var(--text);
}

@media (max-width: 800px) {
    .product-grid,
    .stack-grid {
        grid-template-columns: 1fr;
    }
}