:root {
    color-scheme: dark;
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 130%;
}

html {
    scroll-behavior: smooth;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-width: 320px;
    background: #050505;
    color: #ffffff;
}

button, input, textarea, select {
    font: inherit;
}

a {
    color: inherit;
}

/* Desktop is frozen: all presentation overrides below stop before Tailwind's
   1024px lg breakpoint. Its existing 130% root and rem sizing stay untouched. */
@media (max-width: 1023.98px) {
    :root {
        font-size: 100%;
    }

    main .portfolio-section {
        padding-top: 3rem;
        padding-bottom: 3rem;
        overflow-wrap: anywhere;
        scroll-margin-top: 5rem;
    }

    main .portfolio-section .flex > *,
    main .portfolio-section .grid > *,
    footer.portfolio-footer .flex > *,
    .resume-header .resume-title > * {
        min-width: 0;
        max-width: 100%;
    }

    main .portfolio-section > .space-y-12 > * + *,
    main .portfolio-section > .space-y-10 > * + * {
        margin-top: 2rem;
    }

    main .portfolio-section .text-3xl {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    main .portfolio-section p[class],
    main .portfolio-section li {
        font-size: 1rem;
        line-height: 1.65;
    }

    main .portfolio-section .text-xs {
        font-size: 0.875rem;
        line-height: 1.5;
    }

    main .portfolio-section [class~="text-[10px]"],
    main .portfolio-section [class~="text-[11px]"] {
        font-size: 0.75rem;
        line-height: 1.5;
    }

    main .portfolio-section .p-6,
    main .portfolio-section .p-5 {
        padding: 1rem;
    }

    main .portfolio-section .flex > span,
    main .portfolio-section li > span {
        overflow-wrap: anywhere;
    }

    /* Keep existing blue accents legible against the light mobile surfaces. */
    main .portfolio-section.border-slate-200 [class~="text-[#71C7EC]"],
    main .portfolio-section.border-slate-200 [class~="text-[#189AD3]"] {
        color: #075985;
    }

    #hero {
        padding-top: 2rem;
        padding-bottom: 2.5rem;
    }

    #hero > .flex {
        gap: 1.5rem;
    }

    #hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
        line-height: 1.15;
    }

    #hero h2 {
        font-size: 1.25rem;
        line-height: 1.5;
    }

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

    #hero .hero-stats > div {
        padding: 0.75rem;
    }

    #hero .hero-stats .text-lg {
        font-size: 1rem;
    }

    #hero .hero-actions {
        align-items: stretch;
        gap: 0.75rem;
        padding-top: 0;
    }

    #hero .hero-actions > * {
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        min-height: 44px;
    }

    #experience .experience-filters {
        flex-wrap: wrap;
    }

    #experience .experience-filters button {
        min-height: 44px;
        flex: 1 1 auto;
    }

    #experience .experience-title,
    #projects .project-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    #knowledge .knowledge-status {
        flex-wrap: wrap;
    }

    #knowledge a {
        white-space: normal;
        justify-content: center;
        text-align: center;
        max-width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    #skills input {
        font-size: 1rem;
        min-height: 44px;
    }

    nav.portfolio-nav button,
    nav.portfolio-nav .mobile-menu a {
        min-width: 44px;
        min-height: 44px;
    }

    nav.portfolio-nav .mobile-menu {
        max-height: calc(100vh - 4rem);
        max-height: calc(100dvh - 4rem);
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    nav.portfolio-nav .mobile-menu a {
        display: flex;
        align-items: center;
    }

    nav.portfolio-nav .mobile-menu .gap-3 {
        gap: 0.25rem;
    }

    footer.portfolio-footer {
        padding-top: 2rem;
        padding-bottom: 2rem;
        overflow-wrap: anywhere;
    }

    footer.portfolio-footer .flex {
        flex-wrap: wrap;
    }

    footer.portfolio-footer .w-8 {
        flex-shrink: 0;
    }

    footer.portfolio-footer a,
    footer.portfolio-footer button {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
    }

    footer.portfolio-footer .gap-6 {
        column-gap: 1rem;
        row-gap: 0.5rem;
    }

    footer.portfolio-footer .pt-6 {
        align-items: flex-start;
        line-height: 1.6;
    }

    .resume-overlay.fixed {
        padding: 0.5rem;
    }

    .resume-overlay .resume-dialog {
        height: calc(100vh - 1rem);
        max-height: calc(100vh - 1rem);
        height: calc(100dvh - 1rem);
        max-height: calc(100dvh - 1rem);
        min-width: 0;
    }

    .resume-dialog .resume-header {
        flex-direction: column;
        align-items: stretch;
        flex-shrink: 0;
        gap: 0.75rem;
        padding: 0.75rem;
    }

    .resume-header .resume-title {
        overflow-wrap: anywhere;
    }

    .resume-header .resume-title > .w-8 {
        flex-shrink: 0;
    }

    .resume-header .resume-actions {
        flex-wrap: wrap;
    }

    .resume-header .resume-actions > * {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        min-width: 44px;
    }

    .resume-header .resume-actions > button {
        margin-left: auto;
    }
}

@media (max-width: 479.98px) {
    #hero .hero-actions > * {
        width: 100%;
    }
}

@media (min-width: 640px) and (max-width: 1023.98px) {
    main .portfolio-section .text-3xl {
        font-size: 1.75rem;
    }

    main .portfolio-section .p-6,
    main .portfolio-section .p-5 {
        padding: 1.5rem;
    }
}