/* Mobile-only refinements. Desktop layout remains controlled by the original styles. */
.menu-toggle {
    display: none;
}

@media (max-width: 767px), (max-width: 900px) and (pointer: coarse) {
    html {
        scroll-padding-top: 60px;
    }

    body {
        -webkit-text-size-adjust: 100%;
    }

    img,
    video,
    svg {
        max-width: 100%;
    }

    h1,
    h2,
    h3,
    p,
    li,
    dd {
        overflow-wrap: break-word;
    }

    nav#mainNav {
        height: 60px;
        padding: 0 1rem;
        gap: 0.6rem;
    }

    nav#mainNav > .nav-brand {
        min-width: 0;
        flex: 1 1 auto;
    }

    nav#mainNav > .nav-brand > svg {
        width: clamp(128px, 36vw, 162px);
        height: auto;
        flex-shrink: 1;
    }

    nav#mainNav > .nav-links {
        flex: 0 0 auto;
        gap: 0.5rem;
        margin-left: auto;
    }

    nav#mainNav .btn-sm {
        min-height: 44px;
        padding: 0.55rem 0.8rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.78rem;
        line-height: 1.15;
        text-align: center;
    }

    .section-inner {
        padding: 4.25rem 1.25rem;
    }

    .sec-h,
    #bespoke h2,
    #before-after h2,
    #how-it-works h2 {
        text-wrap: balance;
    }

    .btn,
    button,
    input[type="range"] {
        touch-action: manipulation;
    }

    /* Home */
    .wf-inner {
        gap: 2.5rem;
    }

    .wf-left,
    .wf-right {
        width: 100%;
    }

    .wf-right {
        flex-basis: auto;
    }

    .wf-proofs {
        gap: 1.15rem;
    }

    .wf-proofs li,
    .problems-list li {
        font-size: 0.95rem;
    }

    .bespoke-cols,
    .problems-grid,
    .about-grid {
        gap: 2.25rem;
    }

    .tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tool-card {
        min-width: 0;
    }

    .about-photo {
        min-height: 0;
        aspect-ratio: 4 / 5;
    }

    .cta-inner,
    .cta-band {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    /* Work listing */
    .work-hero-inner {
        padding: 4rem 1.25rem 3.5rem;
    }

    .proj {
        gap: 1.35rem;
        padding: 1.35rem;
    }

    .proj p {
        font-size: 0.95rem;
    }

    .proj-tags {
        gap: 0.4rem;
    }

    .stack-grid {
        grid-template-columns: 1fr;
    }

    /* Case studies */
    .case-hero-inner {
        padding: 3.25rem 1.25rem 3.75rem;
    }

    .case-back {
        min-height: 44px;
        margin-bottom: 1.75rem;
    }

    .case-hero-inner h1 {
        font-size: clamp(2rem, 8vw, 2.7rem);
        text-wrap: balance;
    }

    .case-lede {
        font-size: 1rem;
        line-height: 1.7;
    }

    .case-meta {
        margin-top: 2.5rem;
        padding-top: 1.75rem;
    }

    #demo .section-inner {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    .asset-caption {
        line-height: 1.5;
        padding: 0 0.25rem;
    }

    .workflow-tabs {
        display: flex;
        grid-template-columns: none;
        gap: 0.5rem;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x proximity;
        scrollbar-width: thin;
        padding-bottom: 0.35rem;
    }

    .workflow-tab {
        flex: 0 0 auto;
        min-height: 44px;
        padding: 0.7rem 0.9rem;
        white-space: nowrap;
        scroll-snap-align: start;
    }

    .workflow-panel {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        padding: 0.85rem;
    }

    .workflow-media {
        min-height: 0;
        aspect-ratio: 4 / 3;
    }

    .workflow-copy {
        padding: 0.65rem 0.35rem 0.85rem;
    }

    .workflow-copy h3 {
        font-size: 1.35rem;
    }

    .workflow-copy p {
        font-size: 0.95rem;
    }

    .arch-flow {
        gap: 0.65rem;
    }

    .arch-node {
        flex-basis: auto;
    }

    .arch-callout {
        padding-left: 1rem;
    }

    .decision {
        padding: 1.5rem 0;
    }

    .road-tier,
    .cross-card {
        padding: 1.4rem;
    }

    footer {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (max-width: 650px) {
    nav#mainNav > .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin-left: 0;
        padding: 0.65rem 1rem 1rem;
        background: var(--off-white);
        border-bottom: 1px solid rgba(26, 58, 42, 0.14);
        box-shadow: 0 14px 30px rgba(10, 32, 22, 0.14);
    }

    nav#mainNav.menu-open > .nav-links {
        display: flex;
    }

    nav#mainNav > .nav-links > a,
    nav#mainNav > .nav-links > a:not(.btn),
    nav#mainNav > .nav-links > a.nav-hide-sm {
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 0.7rem 0.25rem;
        font-size: 0.95rem;
    }

    nav#mainNav > .nav-links > .btn {
        justify-content: center;
        margin-top: 0.35rem;
        padding: 0.75rem 1rem;
    }

    .menu-toggle {
        display: inline-flex;
        width: 44px;
        height: 44px;
        flex: 0 0 44px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        padding: 0;
        color: var(--deep-forest);
        background: transparent;
        border: 0;
        border-radius: 6px;
        cursor: pointer;
    }

    .menu-toggle:focus-visible {
        outline: 2px solid var(--spoke-amber);
        outline-offset: 2px;
    }

    .menu-toggle span {
        width: 22px;
        height: 2px;
        background: currentColor;
        transition: transform 180ms ease, opacity 180ms ease;
    }

    nav#mainNav.menu-open .menu-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    nav#mainNav.menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    nav#mainNav.menu-open .menu-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .asset-frame.asset-frame--video {
        aspect-ratio: 4 / 3;
    }

    .video-control-bar {
        grid-template-columns: 2.75rem repeat(3, minmax(44px, 1fr)) 2.75rem;
        grid-template-rows: 24px 44px;
        gap: 0.35rem;
        padding: 1rem 0.45rem 0.45rem;
    }

    .video-control-bar button {
        min-width: 0;
        min-height: 44px;
        padding: 0.35rem 0.2rem;
        font-size: 0.72rem;
    }

    .video-control-bar .video-seek {
        grid-column: 2 / 5;
        grid-row: 1;
    }

    .video-control-bar .video-time:first-of-type {
        grid-column: 1;
        grid-row: 1;
    }

    .video-control-bar .video-time:last-of-type {
        grid-column: 5;
        grid-row: 1;
    }

    .video-control-bar button:nth-of-type(1) { grid-column: 1; grid-row: 2; }
    .video-control-bar button:nth-of-type(2) { grid-column: 2; grid-row: 2; }
    .video-control-bar button:nth-of-type(3) { grid-column: 3; grid-row: 2; }
    .video-control-bar button:nth-of-type(4) { grid-column: 4; grid-row: 2; }
    .video-control-bar button:nth-of-type(5) { grid-column: 5; grid-row: 2; }
}

@media (max-width: 560px) {
    #hero {
        display: flex;
        flex-direction: column;
    }

    .hero-overlay {
        position: static;
        height: auto;
        order: 0;
    }

    .hero-overlay-inner {
        position: static;
        max-width: none;
        padding: 2.5rem 1.25rem 1.25rem;
    }

    .hero-overlay h1 {
        font-size: clamp(1.8rem, 8vw, 2.25rem);
        line-height: 1.18;
        margin-bottom: 1.35rem;
        text-wrap: balance;
    }

    .hero-overlay .btn-lg {
        padding: 0.8rem 1.25rem;
        font-size: 0.9rem;
    }

    .hero-svg-wrap {
        order: 1;
    }

    .process {
        grid-template-columns: 1fr;
    }

    .case-meta {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 430px) {
    nav#mainNav {
        padding: 0 0.75rem;
    }

    nav#mainNav > .nav-brand > svg {
        width: clamp(118px, 38vw, 144px);
    }

    nav#mainNav .btn-sm {
        padding: 0.5rem 0.65rem;
        font-size: 0.74rem;
    }

    .section-inner {
        padding: 3.5rem 1rem;
    }

    .hero-overlay-inner,
    .work-hero-inner,
    .case-hero-inner {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .proj {
        padding: 1rem;
        border-radius: 9px;
    }

    .proj-tag {
        font-size: 0.68rem;
    }

    .workflow-panel {
        padding: 0.65rem;
    }

    .workflow-copy {
        padding-left: 0.2rem;
        padding-right: 0.2rem;
    }

    .cta-inner .btn-lg,
    .cta-band .btn-lg {
        width: 100%;
        max-width: 320px;
    }
}