/* v1.28 — phone-first layout pass.
   Desktop layout stays intact; <= 680px is deliberately re-composed for phones. */

@media (max-width: 680px) {
  :root {
    --v28-phone-pad: 18px;
    --v28-phone-radius: 0px;
  }

  html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 64px;
  }

  body {
    overflow-wrap: anywhere;
  }

  /* ---------- Home header / navigation ---------- */
  .portfolio-home-v24 .v18-header {
    min-height: calc(58px + env(safe-area-inset-top));
  }

  .portfolio-home-v24 .v18-header__inner {
    width: calc(100% - (var(--v28-phone-pad) * 2));
    min-height: 58px;
    padding-top: env(safe-area-inset-top);
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .portfolio-home-v24 .v18-brand {
    font-size: 14px;
    letter-spacing: -.035em;
  }

  /* A phone does not need four tiny desktop utilities in the top bar. */
  .portfolio-home-v24 .v18-actions > .v20-command,
  .portfolio-home-v24 .v18-actions > .v18-control {
    display: none;
  }

  .portfolio-home-v24 .v18-menu {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 46px;
    min-width: 46px;
    height: 46px;
    border: 0;
    background: transparent;
  }

  .portfolio-home-v24 .v18-menu::before,
  .portfolio-home-v24 .v18-menu::after {
    content: "";
    position: absolute;
    width: 21px;
    height: 1px;
    background: currentColor;
    transition: transform .18s ease, translate .18s ease;
  }
  .portfolio-home-v24 .v18-menu::before { translate: 0 -4px; }
  .portfolio-home-v24 .v18-menu::after { translate: 0 4px; }
  .portfolio-home-v24 .v18-menu > span:not(.sr-only) { display: none; }
  .portfolio-home-v24 .v18-menu[aria-expanded="true"]::before { translate: 0 0; transform: rotate(45deg); }
  .portfolio-home-v24 .v18-menu[aria-expanded="true"]::after { translate: 0 0; transform: rotate(-45deg); }

  .portfolio-home-v24 .v18-mobile {
    position: fixed;
    z-index: 120;
    top: calc(58px + env(safe-area-inset-top));
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: none;
    padding: 22px var(--v28-phone-pad) calc(24px + env(safe-area-inset-bottom));
    overflow-y: auto;
    border: 0;
    border-top: 1px solid var(--v18-line);
    border-radius: 0;
    background: color-mix(in srgb, var(--v18-bg) 98%, transparent);
    box-shadow: none;
  }

  .portfolio-home-v24 .v18-mobile > a {
    min-height: 58px;
    padding: 0;
    border-bottom: 1px solid var(--v18-line);
    color: var(--v18-text);
    font-size: clamp(21px, 6.3vw, 27px);
    font-weight: 760;
    letter-spacing: -.035em;
  }

  .portfolio-home-v24 .v18-mobile > a::after {
    content: "→";
    margin-left: auto;
    color: var(--v18-accent);
    font-size: 16px;
    font-weight: 500;
  }

  .portfolio-home-v24 .v28-mobile-nav-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 22px;
  }

  .portfolio-home-v24 .v28-mobile-nav-meta > a,
  .portfolio-home-v24 .v28-mobile-nav-meta > button {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 13px;
    border: 1px solid var(--v18-line);
    background: transparent;
    color: var(--v18-muted);
    font: 700 11px/1 var(--font-mono);
  }

  .portfolio-home-v24 .v28-mobile-nav-meta > a:first-child {
    grid-column: 1 / -1;
    color: var(--v18-text);
  }

  body.menu-open {
    overflow: hidden;
    touch-action: none;
  }
  body.menu-open::before { display: none; }

  /* ---------- Home hero ---------- */
  .portfolio-home-v20 main,
  .portfolio-home-v24 .v20-footer {
    width: calc(100% - (var(--v28-phone-pad) * 2));
  }

  .portfolio-home-v24 .v20-hero {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .portfolio-home-v24 .v20-hero__copy {
    padding: 42px 0 34px;
  }

  .portfolio-home-v24 .v20-eyebrow {
    margin-bottom: 14px;
    font-size: 9px;
    letter-spacing: .12em;
  }

  .portfolio-home-v24 .dz-hero-wordmark {
    max-width: 100%;
    font-size: clamp(49px, 15.2vw, 61px);
    line-height: .92;
    letter-spacing: -.064em;
  }

  .portfolio-home-v24 .dz-hero-wordmark::after {
    width: 118px;
    height: 3px;
    margin-top: 13px;
  }

  .portfolio-home-v24 .v20-lead {
    max-width: 18em;
    margin-top: 27px;
    font-size: clamp(22px, 6.4vw, 27px);
    line-height: 1.43;
    letter-spacing: -.035em;
  }

  .portfolio-home-v24 .v20-intro {
    max-width: 34em;
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.82;
  }

  .portfolio-home-v24 .v20-hero__actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 72px;
    gap: 8px;
    margin-top: 26px;
  }

  .portfolio-home-v24 .v20-primary-link,
  .portfolio-home-v24 .v20-quiet-link {
    min-height: 52px;
    padding-inline: 14px;
  }

  .portfolio-home-v24 .v20-quiet-link { min-width: 0; justify-content: space-between; }

  /* Current activity is presented as a readable phone list, not a desktop side panel. */
  .portfolio-home-v24 .v21-hero-brief {
    margin: 0 0 18px;
    border: 0;
    border-top: 1px solid var(--v18-line);
    border-bottom: 1px solid var(--v18-line);
    background: transparent;
  }

  .portfolio-home-v24 .dz-index-cap {
    min-height: 40px;
    padding: 0;
    border-bottom: 1px solid var(--v18-line);
    background: transparent;
  }

  .portfolio-home-v24 .v21-brief-row {
    min-height: 0;
    grid-template-columns: 1fr 20px;
    gap: 4px 12px;
    padding: 18px 0;
    border-left: 0;
  }

  .portfolio-home-v24 .v21-brief-label {
    grid-column: 1;
    font-size: 10px;
  }
  .portfolio-home-v24 .v21-brief-row strong {
    grid-column: 1;
    font-size: 18px;
    line-height: 1.35;
  }
  .portfolio-home-v24 .v21-brief-row small {
    grid-column: 1;
    margin-top: 2px;
    font-size: 11px;
    line-height: 1.5;
  }
  .portfolio-home-v24 .v21-brief-row > b {
    grid-column: 2;
    grid-row: 1 / 4;
    align-self: center;
  }

  /* ---------- Home sections ---------- */
  .portfolio-home-v24 .v20-section {
    padding: 50px 0;
  }

  .portfolio-home-v24 .v20-section::before { width: 42px; }

  .portfolio-home-v24 .v20-section-head {
    display: block;
    margin-bottom: 24px;
  }

  .portfolio-home-v24 .v20-section-head > div:first-child {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
  }

  .portfolio-home-v24 .v20-section-head h2 {
    font-size: clamp(29px, 9vw, 36px);
    line-height: 1.05;
  }

  .portfolio-home-v24 .v20-section-head div:last-child > p {
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.72;
  }

  /* Phone capabilities are static explanatory cards. No horizontal tabs. */
  .portfolio-home-v24 .v20-capability-layout { display: block; }
  .portfolio-home-v24 .v20-capability-list {
    display: grid;
    overflow: visible;
    border: 0;
  }
  .portfolio-home-v24 .v28-capability-card {
    display: grid;
    grid-template-columns: 30px minmax(0,1fr);
    gap: 0 12px;
    padding: 20px 0;
    border-bottom: 1px solid var(--v18-line);
  }
  .portfolio-home-v24 .v28-capability-card:first-child { border-top: 1px solid var(--v18-line); }
  .portfolio-home-v24 .v28-capability-card__index {
    color: var(--v18-accent);
    font: 700 10px/1.4 var(--font-mono);
  }
  .portfolio-home-v24 .v28-capability-card h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -.025em;
  }
  .portfolio-home-v24 .v28-capability-card small {
    display: block;
    margin-top: 5px;
    color: var(--v18-muted);
    font-size: 12px;
    line-height: 1.5;
  }
  .portfolio-home-v24 .v28-capability-card p {
    grid-column: 2;
    margin: 13px 0 0;
    color: var(--v18-muted);
    font-size: 14px;
    line-height: 1.75;
  }
  .portfolio-home-v24 .v28-capability-card__tags {
    grid-column: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 13px;
  }
  .portfolio-home-v24 .v28-capability-card__tags span {
    padding: 6px 7px;
    border: 1px solid var(--v18-line);
    color: var(--v18-muted);
    font: 650 9px/1 var(--font-mono);
  }
  .portfolio-home-v24 .v20-capability-detail[hidden] { display: none !important; }

  /* Activity rows become ordinary stacked mobile links. */
  .portfolio-home-v24 .v20-activity-row {
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0,1fr) 20px;
    gap: 8px 12px;
    padding: 20px 0;
  }
  .portfolio-home-v24 .v20-activity-row > span:first-child {
    grid-column: 1;
    font-size: 9px;
  }
  .portfolio-home-v24 .v20-activity-row > div:nth-of-type(1),
  .portfolio-home-v24 .v20-activity-row > div:nth-of-type(2) {
    grid-column: 1;
  }
  .portfolio-home-v24 .v20-activity-row > div:nth-of-type(1) strong { font-size: 12px; }
  .portfolio-home-v24 .v20-activity-row > div:nth-of-type(2) strong {
    font-size: 19px;
    line-height: 1.35;
  }
  .portfolio-home-v24 .v20-activity-row p {
    grid-column: auto;
    margin-top: 7px;
    font-size: 14px;
    line-height: 1.65;
  }
  .portfolio-home-v24 .v20-activity-row > b {
    grid-column: 2;
    grid-row: 1 / 5;
    align-self: center;
  }

  .portfolio-home-v24 .v20-about-copy p {
    font-size: 15px;
    line-height: 1.82;
  }
  .portfolio-home-v24 .v20-about-meta > div {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 14px 0;
  }
  .portfolio-home-v24 .v20-about-meta dd {
    font-size: 14px;
    line-height: 1.55;
  }

  .portfolio-home-v24 .v20-social {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .portfolio-home-v24 .v20-social a {
    min-height: 70px;
    padding-inline: 15px;
  }

  .portfolio-home-v24 .v20-footer {
    min-height: 0;
    padding: 28px 0 calc(24px + env(safe-area-inset-bottom));
    gap: 18px;
  }
  .portfolio-home-v24 .v20-footer > div { gap: 5px; }

  /* ---------- Hub pages (Now / Updates / Add-ons) ---------- */
  .hub-page .hub-header__inner,
  .hub-page .hub-shell {
    width: calc(100% - (var(--v28-phone-pad) * 2));
  }

  .hub-page .hub-header__inner {
    min-height: 58px;
    padding-top: env(safe-area-inset-top);
  }

  .hub-page .hub-brand { font-size: 14px; }
  .hub-page .hub-back {
    width: 44px;
    min-width: 44px;
    padding: 0;
    justify-content: center;
  }
  .hub-page .hub-back span { display: none; }
  .hub-page .hub-control { width: 44px; min-width: 44px; padding: 0; }

  .hub-page .hub-hero {
    padding: 40px 0 32px;
  }
  .hub-page .hub-hero__eyebrow { margin-bottom: 12px; }
  .hub-page .hub-hero h1 {
    font-size: clamp(39px, 12vw, 50px);
    line-height: .98;
  }
  .hub-page .hub-hero__intro {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.72;
  }
  .hub-page .hub-section { padding: 30px 0 50px; }

  .hub-page .hub-current-item,
  .hub-page .hub-addon-item,
  .hub-page .hub-post {
    padding: 20px 0;
    border-left: 0;
    border-right: 0;
    background: transparent;
  }
  .hub-page .hub-current-item h2,
  .hub-page .hub-addon-item h2,
  .hub-page .hub-post h2 {
    margin-top: 14px;
    font-size: clamp(23px, 7.2vw, 30px);
    line-height: 1.15;
  }
  .hub-page .hub-current-item > p,
  .hub-page .hub-addon-item__main > p,
  .hub-page .hub-post > p {
    font-size: 15px;
    line-height: 1.7;
  }
  .hub-page .hub-addon-item { grid-template-columns: 1fr; }
  .hub-page .hub-addon-item__actions { justify-content: stretch; }
  .hub-page .hub-addon-item__actions a { width: 100%; justify-content: space-between; }

  /* ---------- Project / inquiry ---------- */
  .project-page .site-shell,
  .work-page .site-shell {
    width: 100%;
    border-inline: 0;
  }

  .project-page .site-header,
  .work-page .site-header {
    min-height: calc(58px + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) var(--v28-phone-pad) 0;
    grid-template-columns: minmax(0,1fr) auto;
  }

  .project-page .brand strong,
  .work-page .brand strong { font-size: 14px; }

  .project-page .project-back,
  .work-page .project-back { display: none; }
  .project-page .header-actions,
  .work-page .header-actions { grid-column: auto; grid-row: 1; }

  .project-page .project-detail-meta,
  .project-page .project-detail-title,
  .work-page .work-hero__meta,
  .work-page .work-hero__copy,
  .work-page .section {
    padding-left: var(--v28-phone-pad);
    padding-right: var(--v28-phone-pad);
  }

  .project-page .project-detail-title { padding-bottom: 36px; }
  .project-page .project-detail-title h1,
  .work-page .work-hero__copy h1 {
    font-size: clamp(39px, 12vw, 50px);
    line-height: 1;
  }

  .project-page .project-fact-grid { grid-template-columns: 1fr; }
  .project-page .case-row {
    grid-template-columns: 30px minmax(0,1fr);
    padding-left: var(--v28-phone-pad);
    padding-right: var(--v28-phone-pad);
  }

  .work-page .work-hero__copy { padding-top: 42px; padding-bottom: 42px; }
  .work-page .service-row {
    grid-template-columns: 30px minmax(0,1fr);
    gap: 9px 12px;
  }
  .work-page .service-row > b { display: none; }
  .work-page .service-row p { grid-column: 2; }
  .work-page .contact-actions { display: grid; grid-template-columns: 1fr; }
  .work-page .contact-actions .button { width: 100%; }

  /* Prevent iOS zooming controls due to sub-16px editable text. */
  input,
  textarea,
  select { font-size: 16px; }
}

@media (max-width: 390px) {
  :root { --v28-phone-pad: 16px; }
  .portfolio-home-v24 .dz-hero-wordmark { font-size: clamp(47px, 15vw, 58px); }
  .portfolio-home-v24 .v20-lead { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-home-v24 .v18-menu::before,
  .portfolio-home-v24 .v18-menu::after { transition: none; }
}