@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }
    .nav-layout {
        grid-template-columns: 1fr auto;
        gap: 10px;
    }
    .nav-layout > .button {
        display: none;
    }
    .primary-nav {
        position: absolute;
        top: calc(100% + 4px);
        right: var(--page-pad);
        transform: translateY(-4px);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 12px 20px;
        border: 1px solid rgba(255, 255, 255, .08);
        border-radius: 12px;
        background: var(--color-ink);
        z-index: 105;
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease, transform .2s ease;
        min-width: 220px;
    }
    .primary-nav.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    .primary-nav a {
        position: relative;
        font-family: var(--font-sans);
        font-size: 16px;
        font-weight: 500;
        letter-spacing: -.01em;
        width: 100%;
        text-align: center;
        padding: 14px 28px;
        color: rgba(255, 255, 255, .4);
        transition: color .25s ease;
    }
    .primary-nav a::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 4px;
        width: 0;
        height: 2px;
        border-radius: 2px;
        background: var(--color-accent);
        transition: width .25s cubic-bezier(.22, 1, .36, 1), left .25s cubic-bezier(.22, 1, .36, 1);
    }
    .primary-nav a:hover {
        color: rgba(255, 255, 255, .7);
    }
    .primary-nav a.is-active,
    .site-header.is-scrolled .primary-nav a.is-active {
        color: #fff;
    }
    .three-column-cards {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .service-card p {
        min-height: auto;
    }
    .split-heading,
    .process-layout {
        grid-template-columns: 1fr;
        gap: 42px;
    }
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .chat-log {
        height: 520px;
    }
}

@media (max-width: 600px) {
    .site-header .button {
        min-height: 40px;
        padding-inline: 12px;
    }
    .process-list {
        min-width: auto;
    }
    .process-list li {
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        padding: 16px;
        gap: 14px;
    }
    .process-thumb {
        width: 100%;
        height: 200px;
    }
    .dashboard-frame {
        height: clamp(210px, 47vw, 280px);
    }
    .feature-panels {
        grid-template-columns: 1fr;
    }
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .feature-panel {
        min-height: 230px;
    }
    .chat-header {
        min-height: 66px;
    }
    .chat-log {
        height: 480px;
        padding-inline: 18px;
    }
    .chat-bubble {
        max-width: 88%;
    }
    .chat-bubble p {
        padding-right: 20px;
    }
    .simulator-add {
        display: none;
    }
    .chat-simulator {
        grid-template-columns: 1fr auto;
    }

    .cta {
        min-height: 630px;
    }
    .cta h2 br {
        display: none;
    }
    .footer-layout,
    .footer-brand {
        align-items: flex-start;
    }
    .footer-layout {
        gap: 28px;
    }
    .footer-brand {
        flex-direction: column;
        gap: 12px;
    }
    .site-footer nav {
        flex-direction: column;
        align-items: flex-end;
        gap: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        transition: none !important;
    }
    .chat-bubble,
    .typing-dots i,
    .chat-status-dot,
    .typing-caret,
    .ai-blob,
    .ai-blob::before,
    .ai-blob i {
        animation: none !important;
    }
    .reveal-item {
        opacity: 1 !important;
        transform: none !important;
    }
}