/* Touch-first presentation. The desktop stage and intro keep their own styling.
   Each screen has one native vertical scroller; no nested reading panes. */
.mobile-introduction, .menu-card-art,
.mobile-section-title, .mobile-entries { display: none; }

@media (max-width: 800px), (max-width: 1100px) and (pointer: coarse) {
  :root {
    --mobile-left: max(1.25rem, env(safe-area-inset-left, 0px));
    --mobile-right: max(1.25rem, env(safe-area-inset-right, 0px));
    --mobile-header: calc(3.75rem + env(safe-area-inset-top, 0px));
  }
  .grain, .menu-scenes, .menu-selection { display: none; }
  .home-screen {
    display: flex; flex-direction: column;
    overflow-x: hidden; overflow-y: auto; overscroll-behavior-y: contain;
    padding: max(1.75rem, env(safe-area-inset-top, 0px)) var(--mobile-right) max(1rem, env(safe-area-inset-bottom, 0px)) var(--mobile-left);
    background: #0b0d11;
  }
  .menu-brand {
    position: static; flex-shrink: 0; align-self: flex-start;
    font-size: 3.1rem; text-shadow: none;
  }
  .menu-brand::after { margin-top: .6rem; }
  .mobile-introduction {
    display: block; flex-shrink: 0; margin: 1.5rem 0 1.75rem;
    color: #c1bdb6; font: 400 1rem/1.6 var(--body);
  }
  .mobile-introduction > span {
    display: block; margin-bottom: .5rem;
    color: var(--red-ink); font: 500 .65rem/1.5 var(--mono);
    text-transform: uppercase; letter-spacing: .13em;
  }
  .main-menu {
    position: static; display: grid; flex-shrink: 0; gap: 1rem;
    width: 100%; transform: none;
  }
  .main-menu > button, .main-menu > button[aria-current="true"] {
    position: relative; display: flex; flex-direction: column;
    align-items: flex-start; justify-content: flex-end;
    aspect-ratio: 3 / 2; min-height: 0; padding: 1.25rem;
    overflow: hidden; border: 1px solid #d6c9ba29; border-radius: 6px;
    isolation: isolate; background: #17191d; color: #fff;
    text-align: left; transform: none; transition: border-color 150ms ease;
  }
  .main-menu > button::before {
    content: "↗"; position: absolute; z-index: 2; top: 1rem; right: 1rem;
    display: grid; place-items: center; width: 2rem; height: 2rem;
    border: 1px solid #ffffff55; border-radius: 50%;
    background: #08090c70; color: #fff; font: 400 1.1rem/1 var(--body);
  }
  .main-menu > button::after {
    content: ""; position: absolute; z-index: -1; inset: 0;
    background: linear-gradient(0deg, #08090cf5, #08090c77 35%, transparent 70%);
  }
  .main-menu > button:active { border-color: var(--red-ink); }
  .main-menu > button:focus-visible { outline-offset: -4px; }
  .main-menu .menu-card-art {
    display: block; position: absolute; z-index: -2; inset: 0;
    width: 100%; height: 100%; object-fit: contain; transform: none;
  }
  .main-menu > button span, .main-menu > button[aria-current="true"] span {
    font: 700 clamp(2rem, 9vw, 3rem)/1 var(--display);
    transform: none; text-shadow: none;
  }
  .home-contact {
    position: static; flex-shrink: 0; max-width: none;
    margin-top: 2rem; padding-top: 1.5rem; gap: .4rem; border-top: 1px solid var(--line);
  }
  .home-contact a, .contact-email { min-height: 48px; }
  .home-contact > div { display: flex; gap: 1.5rem; }
  .home-contact > div a { display: inline-flex; align-items: center; }
  .contact-email { display: block; width: 100%; font-size: .85rem; }
  .controls {
    position: static; flex-shrink: 0; margin-top: 1rem; min-height: 48px;
    padding-top: .75rem; border-top: 1px solid var(--line);
  }
  .controls > div:first-child { display: none; }
  .controls > .menu-utilities { display: flex; justify-content: space-between; width: 100%; gap: .75rem; margin: 0; }
  .menu-utilities > button { min-height: 48px; }

  .section-screen { transform: translate3d(0, .6rem, 0); }
  .portfolio[data-view="section"] .section-screen { transform: translate3d(0, 0, 0); }
  .section-navigation {
    top: 0; right: 0; left: 0; height: var(--mobile-header);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: env(safe-area-inset-top, 0px) var(--mobile-right) 0 var(--mobile-left);
    border-bottom: 1px solid var(--line); background: var(--shell);
  }
  .section-back { min-height: 48px; padding: .6rem .8rem; }
  .mobile-section-title { display: block; color: var(--text-3); font: 500 .65rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; }
  .section-views {
    top: var(--mobile-header); bottom: 0; overflow-x: hidden; overflow-y: auto;
    overscroll-behavior-y: contain; scrollbar-gutter: stable;
  }
  .section-view {
    position: relative; inset: auto; min-height: 100%; overflow: visible;
    padding: 1.75rem var(--mobile-right) max(2rem, env(safe-area-inset-bottom, 0px)) var(--mobile-left);
  }
  .view-heading, .experience-view .view-heading { position: static; margin-bottom: 1.75rem; }
  .view-heading > span, .experience-view .view-heading > span {
    display: block; max-width: 30ch; font-size: .6rem; line-height: 1.8; letter-spacing: .08em;
  }
  .view-heading h2 { margin-top: .75rem; font-size: clamp(2.5rem, 12vw, 4rem); line-height: .95; }
  .side-list, .evidence-panels, .section-controls { display: none; }
  .mobile-entries { display: grid; gap: .8rem; }
  .mobile-entry {
    min-width: 0; border: 1px solid #d6c9ba24; border-radius: 5px;
    background: linear-gradient(125deg, #1c1d20, #111215 75%);
  }
  .mobile-entry[open] { border-color: #e76a4c70; }
  .mobile-entry > summary {
    position: relative; display: grid; grid-template-columns: 1.5rem minmax(0, 1fr);
    align-items: center; column-gap: .6rem; min-height: 84px;
    padding: 1rem 2.75rem 1rem 1rem; list-style: none; cursor: pointer; touch-action: manipulation;
  }
  .mobile-entry > summary::-webkit-details-marker { display: none; }
  .mobile-entry > summary::after {
    content: "+"; position: absolute; right: 1rem; top: 50%;
    transform: translateY(-50%); color: var(--red-ink); font: 400 1.5rem/1 var(--body);
  }
  .mobile-entry[open] > summary::after { content: "−"; }
  .mobile-entry > summary b { grid-row: span 2; color: var(--red-ink); font: 500 .65rem/1 var(--mono); }
  .mobile-entry > summary span { font: 600 1.35rem/1.2 var(--display); text-transform: uppercase; color: #f0eae1; }
  .mobile-entry > summary i { margin-top: .35rem; color: var(--text-2); font: normal .72rem/1.4 var(--body); }
  .mobile-entry > section {
    position: static; max-height: none; overflow: visible; padding: 1.25rem;
    border-top: 1px solid var(--line); color: #c1bdb6; font: 400 .95rem/1.75 var(--body);
  }
  .mobile-entry > section > h3 { display: none; }
  .mobile-entry dl { margin: 0; }
  .mobile-entry dl > div { padding: 1rem 0; border-top: 1px solid var(--line); }
  .mobile-entry dt { color: #aaa298; font: 500 .65rem/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
  .mobile-entry dd { margin: .5rem 0 0; }
  .mobile-entry section > button, .mobile-entry footer a {
    display: inline-flex; align-items: center; min-height: 48px; margin-top: 1rem;
    padding: .5rem 0; color: var(--red-ink); font-size: .85rem;
  }
  .resume-sheet {
    position: static; width: 100%; max-height: none; overflow: visible;
    padding: 1.5rem 0 0; animation: none;
  }
  .resume-summary { margin-bottom: 1.5rem; }
  .resume-summary p { font-size: clamp(2rem, 9vw, 3rem); }
  .resume-sheet dl { grid-template-columns: 1fr; }
  .resume-sheet > a { min-height: 48px; }
}

@media (min-width: 600px) and (max-width: 800px), (min-width: 600px) and (max-width: 1100px) and (pointer: coarse) {
  .main-menu { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .main-menu > button, .main-menu > button[aria-current="true"] { padding: 1rem; }
  .main-menu > button span, .main-menu > button[aria-current="true"] span { font-size: clamp(1.6rem, 3vw, 2rem); }
  .main-menu > button::before { top: .75rem; right: .75rem; width: 1.5rem; height: 1.5rem; font-size: .9rem; }
  .section-view { max-width: 56rem; margin: 0 auto; }
  .view-heading > span, .experience-view .view-heading > span { max-width: none; }
  .view-heading h2 { font-size: 3rem; }
}