/* AI Assistant Highlight Section */
.ai-section {
    position: relative;
    width: 100%;
    z-index: 2;
    padding: 4rem 1.5rem 5rem;
}

.ai-section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.ai-robot-animation {
    width: clamp(90px, 12vw, 140px);
    margin: 0 auto 1.25rem;
    line-height: 0;
}

.ai-robot-animation canvas {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
}

@media (prefers-reduced-motion: reduce) {
    .ai-robot-animation {
        display: none;
    }
}

.ai-section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 3.25rem);
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.15;
}

.ai-section-title .ai-title-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-section-subtitle {
    font-family: var(--font-secondary);
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: #a5a5a5;
    line-height: 1.6;
}

.ai-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    max-width: 1400px;
    margin: 0 auto;
}

.ai-card {
    position: relative;
    background: var(--card-background);
    backdrop-filter: var(--card-blur);
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem 1.75rem;
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ai-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 34px rgba(142, 45, 226, 0.22);
}

.ai-card-number {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--text-color);
    opacity: 0.45;
    margin-bottom: 0.75rem;
}

.ai-card-icon {
    background: var(--primary-gradient);
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    /* auto side margins centre the fixed-width tile in the card */
    margin: 0 auto 1.25rem;
}

.ai-card-icon svg {
    width: 26px;
    height: 26px;
}

.ai-card-title {
    font-family: var(--font-primary);
    font-size: 1.05rem;
    text-align: center;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.ai-card-description {
    font-family: var(--font-secondary);
    font-size: 0.92rem;
    color: #a5a5a5;
    line-height: 1.6;
}

.ai-section-footnote {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    text-align: center;
    max-width: 720px;
    margin: 2.75rem auto 0;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.75;
}

.ai-section-footnote svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--text-color);
}

@media (max-width: 1024px) {
    .ai-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .ai-section {
        padding: 3rem 1rem 3.5rem;
    }

    .ai-cards-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .ai-card {
        padding: 1.5rem;
    }

    .ai-section-footnote {
        flex-direction: column;
        gap: 0.4rem;
    }
}