:root {
      --page-bg: #0b1020;
      --page-bg-2: #11182b;
      --panel: #151f36;
      --panel-2: #1b2742;
      --panel-3: #22304f;
      --ink: #eef4fb;
      --muted-ink: #bfcbda;
      --soft-ink: #90a3be;
      --border: rgba(165, 180, 212, .18);
      --border-strong: rgba(165, 180, 212, .3);
      --slate-blue: #7c93c3;
      --slate-blue-light: #a5b4d4;
      --cyan: #39d6e8;
      --orange: #ff7a2f;
      --magenta: #ed4aa8;
      --shadow: 0 24px 60px rgba(0,0,0,.35);
      --scroll-ratio: 0;
    }

    html { scroll-behavior: smooth; }
    body.case-study-page {
      padding-top: 60px;
      margin: 0;
      background: #0b1020;
    }

    body.case-study-page main {
      width: 100%;
      max-width: 100%;
      overflow-x: clip;
      font-family: "Inter", sans-serif;
      font-size: 1rem;
      background: #0b1020;
      color: var(--ink);
    }
    .case-study-page main h1,
    .case-study-page main h2,
    .case-study-page main h3,
    .case-study-page main h4,
    .case-study-page main h5 {
      font-family: "Exo 2", sans-serif;
    }
    .case-study-page main img {
      max-width: 100%;
      height: auto;
    }

    .scroll-atmosphere {
      position: fixed;
      z-index: -2;
      inset: 0;
      overflow: hidden;
      pointer-events: none;
      background: linear-gradient(180deg, #0a0f1e 0%, #10182a 42%, #0b1120 100%);
    }
    .ambient-orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(18px);
      opacity: .35;
      will-change: transform;
    }
    .ambient-orb.one {
      width: min(52vw, 720px);
      aspect-ratio: 1;
      top: 12vh;
      right: -18vw;
      background: radial-gradient(circle, rgba(57,214,232,.18), rgba(124,147,195,.05) 52%, transparent 72%);
    }
    .ambient-orb.two {
      width: min(48vw, 660px);
      aspect-ratio: 1;
      top: 62vh;
      left: -20vw;
      background: radial-gradient(circle, rgba(237,74,168,.11), rgba(255,122,47,.055) 50%, transparent 72%);
    }

    .page-progress {
      position: fixed;
      z-index: 15;
      top: 50%;
      right: 18px;
      width: 3px;
      height: min(36vh, 310px);
      transform: translateY(-50%);
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }
    .page-progress span {
      display: block;
      width: 100%;
      height: 100%;
      transform: scaleY(var(--scroll-ratio));
      transform-origin: top;
      border-radius: inherit;
      background: linear-gradient(to bottom, var(--cyan), var(--slate-blue), var(--magenta));
    }

    /* Hero */
    .case-hero {
      position: relative;
      overflow: hidden;
      min-height: min(820px, calc(100vh - 60px));
      display: flex;
      align-items: center;
      padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(7rem, 12vw, 10rem);
      background:
        radial-gradient(circle at 76% 22%, rgba(124,147,195,.2), transparent 27%),
        radial-gradient(circle at 60% 75%, rgba(57,214,232,.06), transparent 32%),
        linear-gradient(135deg, rgba(11,16,32,.95), rgba(17,24,43,.94) 55%, rgba(28,40,68,.9));
    }
    .case-hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: clamp(130px, 18vw, 220px);
      background: linear-gradient(to bottom, transparent, rgba(11,16,32,.74) 58%, #0b1020 100%);
      pointer-events: none;
    }
    .hero-content { position: relative; z-index: 2; }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      text-transform: uppercase;
      letter-spacing: .13em;
      font-size: .78rem;
      font-weight: 700;
      color: var(--slate-blue-light);
    }
    .case-hero h1 {
      max-width: 760px;
      margin-top: 1rem;
      font-size: clamp(2.85rem, 6vw, 5.7rem);
      line-height: .96;
      letter-spacing: -.035em;
    }
    .hero-lede {
      max-width: 680px;
      margin: 1.5rem 0 0;
      font-size: clamp(1rem, 1.45vw, 1.18rem);
      line-height: 1.8;
      color: var(--muted-ink);
    }
    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: .85rem;
      margin-top: 2rem;
      font-size: .92rem;
      color: var(--muted-ink);
    }

    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      padding: .7rem 1rem;
      border: 1px solid rgba(165,180,212,.22);
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      color: var(--muted-ink);
      line-height: 1.2;
      white-space: nowrap;
    }

    .hero-meta i {
      color: var(--slate-blue-light);
      font-size: .95rem;
    }

    .phone-stage {
      position: relative;
      min-height: clamp(350px, 42vw, 500px);
      display: grid;
      place-items: center;
    }
    .phone-stage::before {
      content: "";
      position: absolute;
      width: 78%;
      aspect-ratio: 1;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(124,147,195,.2), rgba(57,214,232,.06) 46%, transparent 70%);
      filter: blur(6px);
    }
    .phone-shell {
      position: relative;
      z-index: 1;
      width: clamp(205px, 23vw, 275px);
      max-width: 100%;
      aspect-ratio: 9 / 19;
      padding: clamp(7px, .8vw, 10px);
      border: 1px solid rgba(255,255,255,.22);
      border-radius: clamp(28px, 3vw, 38px);
      background: #090c14;
      box-shadow: 0 35px 70px rgba(0,0,0,.45);
      transform: rotate(3deg);
      transform-origin: center;
    }
    .phone-shell::before {
      content: "";
      position: absolute;
      z-index: 3;
      top: clamp(7px, .8vw, 10px);
      left: 50%;
      width: 35%;
      height: clamp(18px, 2vw, 24px);
      transform: translateX(-50%);
      border-radius: 0 0 15px 15px;
      background: #090c14;
    }
    .phone-screen {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: clamp(21px, 2.4vw, 29px);
      background: linear-gradient(145deg, #1a2031, #0c101a);
    }
    .hero-placeholder {
      width: 100%;
      height: 100%;
      display: grid;
      place-items: center;
      padding: clamp(1rem, 2.5vw, 2rem);
      border-radius: clamp(21px, 2.4vw, 29px);
      text-align: center;
      overflow-wrap: anywhere;
      background: linear-gradient(145deg, #1a2031, #0c101a);
      color: var(--slate-blue-light);
      font-size: clamp(.78rem, 1vw, .95rem);
    }

    .scroll-cue {
      position: absolute;
      z-index: 3;
      bottom: clamp(2.2rem, 4vw, 3.5rem);
      left: 50%;
      transform: translateX(-50%);
      display: grid;
      justify-items: center;
      gap: .55rem;
      color: var(--soft-ink);
      font-size: .76rem;
      text-transform: uppercase;
      letter-spacing: .12em;
    }
    .scroll-cue-line {
      width: 1px;
      height: 42px;
      background: linear-gradient(to bottom, var(--cyan), transparent);
      animation: cuePulse 1.8s ease-in-out infinite;
    }
    @keyframes cuePulse {
      0%, 100% { transform: scaleY(.55); opacity: .45; transform-origin: top; }
      50% { transform: scaleY(1); opacity: 1; transform-origin: top; }
    }

    /* Scroll story */
    .story {
      position: relative;
      padding-bottom: 2rem;
    }
    .story::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 1px;
      transform: translateX(-50%);
      background: linear-gradient(to bottom, transparent, rgba(165,180,212,.12) 8%, rgba(165,180,212,.12) 92%, transparent);
      pointer-events: none;
    }

    .story-section {
      position: relative;
      min-height: 72vh;
      display: flex;
      align-items: center;
      padding: clamp(4.5rem, 9vw, 8rem) 0;
      isolation: isolate;
    }
    .story-section::before {
      content: "";
      position: absolute;
      z-index: -1;
      width: min(72vw, 980px);
      aspect-ratio: 1.7 / 1;
      border-radius: 50%;
      filter: blur(25px);
      opacity: 0;
      transition: opacity 1.1s ease;
      background: radial-gradient(circle, rgba(124,147,195,.09), rgba(57,214,232,.025) 48%, transparent 70%);
    }
    .story-section:nth-child(even)::before { right: -28%; }
    .story-section:nth-child(odd)::before { left: -28%; }
    .story-section.is-visible::before { opacity: .9; }

    .story-grid {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
      gap: clamp(2.5rem, 7vw, 7rem);
      align-items: center;
    }
    .story-section.reverse .story-copy { order: 2; }
    .story-section.reverse .story-visual { order: 1; }

    .story-copy, .story-visual {
      opacity: 0;
      filter: blur(7px);
      transform: translateY(62px);
      transition:
        opacity .85s cubic-bezier(.2,.7,.2,1),
        transform .9s cubic-bezier(.2,.7,.2,1),
        filter .9s ease;
    }
    .story-visual { transform: translateY(70px) scale(.965); transition-delay: .1s; }
    .story-section.is-visible .story-copy,
    .story-section.is-visible .story-visual {
      opacity: 1;
      filter: blur(0);
      transform: translateY(0) scale(1);
    }

    .section-number {
      display: inline-block;
      margin-bottom: .7rem;
      font-family: "Exo 2", sans-serif;
      font-size: .8rem;
      letter-spacing: .12em;
      color: var(--soft-ink);
    }
    .story-title {
      margin: .8rem 0 1.2rem;
      font-size: clamp(2rem, 4.1vw, 4.1rem);
      line-height: 1.02;
      letter-spacing: -.03em;
    }
    .story-lede {
      max-width: 680px;
      font-size: clamp(1.05rem, 1.45vw, 1.2rem);
      line-height: 1.85;
      color: var(--muted-ink);
    }
    .story-copy p { color: var(--muted-ink); line-height: 1.8; }

    .visual-panel {
      position: relative;
      overflow: hidden;
      padding: clamp(1.2rem, 3vw, 2.1rem);
      border: 1px solid var(--border);
      border-radius: clamp(1.35rem, 2.5vw, 2rem);
      background:
        radial-gradient(circle at 84% 18%, rgba(124,147,195,.13), transparent 28%),
        linear-gradient(145deg, rgba(21,31,54,.93), rgba(13,20,37,.94));
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
    }
    .visual-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,.025), transparent 76%);
    }

    .project-facts {
      display: grid;
		grid-template-columns: repeat(2, minmax(0,1fr));
      gap: .85rem;
    }
    .fact-card, .mini-card, .access-card, .research-card {
      padding: 1rem 1.05rem;
      border: 1px solid var(--border);
      border-radius: 1rem;
      background: rgba(255,255,255,.025);
    }
    .fact-card strong, .mini-card strong, .access-card strong, .research-card strong {
      display: block;
      margin-bottom: .35rem;
      color: var(--ink);
      font-size: .93rem;
    }
    .fact-label {
      display: block;
      margin-bottom: .25rem;
      text-transform: uppercase;
      letter-spacing: .09em;
      color: var(--soft-ink);
      font-size: .75rem;
      font-weight: 700;
    }

    .fact-card > span:not(.fact-label) {
      color: var(--muted-ink);
    }

    .problem-solution-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }
    .ps-block {
      min-height: 100%;
      padding: clamp(1.25rem, 2.5vw, 1.8rem);
      border: 1px solid var(--border);
      border-radius: 1.2rem;
      background: rgba(255,255,255,.025);
    }
    .ps-block.solution {
      background: linear-gradient(145deg, rgba(124,147,195,.11), rgba(57,214,232,.035));
    }
    .ps-icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      margin-bottom: 1rem;
      border-radius: 50%;
      background: rgba(124,147,195,.13);
      color: var(--slate-blue-light);
      font-size: 1.2rem;
    }
    .ps-block h3 { font-size: 1.25rem; }
    .ps-block p { margin: .65rem 0 0; color: var(--muted-ink); line-height: 1.75; }

    .research-grid, .access-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: .85rem;
    }
    .research-card span, .access-card span {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      margin-bottom: .7rem;
      color: var(--slate-blue-light);
      font-size: .75rem;
      text-transform: uppercase;
      letter-spacing: .08em;
      font-weight: 700;
    }
    .research-card p, .access-card p { margin: 0; color: var(--muted-ink); line-height: 1.65; font-size: .92rem; }

    .audience-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
    }
    .audience-card {
      display: grid;
      grid-template-columns: 56px minmax(0, 1fr);
      column-gap: 1.1rem;
      align-items: start;
      width: 100%;
      min-width: 0;
      padding: 1.35rem 1.5rem;
      border: 1px solid var(--border);
      border-radius: 1.05rem;
      background: rgba(255,255,255,.025);
    }
    .audience-card i {
      grid-column: 1;
      grid-row: 1 / span 2;
      color: var(--cyan);
      font-size: 1.35rem;
      margin-top: .15rem;
    }
    .audience-card h3 {
      grid-column: 2;
      margin: 0 0 .35rem;
      font-size: 1.05rem;
    }
    .audience-card p {
      grid-column: 2;
      margin: 0;
      color: var(--muted-ink);
      font-size: .92rem;
      line-height: 1.65;
    }

    .story-media-button {
      width: 100%;
      padding: 0;
      border: 0;
      background: transparent;
      color: inherit;
      cursor: zoom-in;
    }
    .story-media-button img, .story-image {
      display: block;
      width: 100%;
      max-height: min(72vh, 720px);
      object-fit: contain;
      border-radius: 1rem;
    }
    .media-caption {
      margin: 1rem .2rem 0;
      color: var(--soft-ink);
      font-size: .82rem;
      line-height: 1.55;
    }
    .image-placeholder {
      min-height: 430px;
      display: grid;
      place-items: center;
      padding: 2rem;
      border: 1px dashed rgba(165,180,212,.4);
      border-radius: 1rem;
      color: var(--slate-blue-light);
      text-align: center;
    }
    .image-placeholder i { display: block; margin-bottom: .75rem; font-size: 2.6rem; }

    .screen-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 1rem;
    }
    .screen-card {
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 1.2rem;
      background: rgba(255,255,255,.025);
    }
    .screen-card button { width: 100%; padding: .8rem; border: 0; background: transparent; cursor: zoom-in; }
    .screen-card img { width: 100%; max-height: 510px; object-fit: contain; border-radius: .8rem; }
    .screen-card footer { padding: 0 1rem 1rem; }
    .screen-card h3 { margin: 0 0 .35rem; font-size: 1rem; }
    .screen-card p { margin: 0; color: var(--muted-ink); font-size: .86rem; line-height: 1.55; }

    .access-note {
      margin-top: 1rem;
      padding: 1rem 1.1rem;
      border-left: 3px solid var(--cyan);
      border-radius: 0 .8rem .8rem 0;
      background: rgba(57,214,232,.055);
      color: var(--muted-ink);
      line-height: 1.7;
    }

    .prototype-frame {
      overflow: hidden;
      border: 1px solid var(--border-strong);
      border-radius: 1.3rem;
      background: #0a0e19;
      box-shadow: var(--shadow);
    }
    .prototype-frame iframe {
      display: block;
      width: 100%;
      height: auto;
      min-height: 560px;
      aspect-ratio: 16 / 10;
      border: 0;
      background: #0a0e19;
    }

    .outcome-quote {
      margin: 1.5rem 0;
      padding-left: 1.2rem;
      border-left: 3px solid var(--slate-blue);
      font-family: "Exo 2", sans-serif;
      font-size: clamp(1.35rem, 2.2vw, 2rem);
      line-height: 1.45;
      color: var(--ink);
    }
    .prototype-link, .back-button {
      display: inline-flex;
      align-items: center;
      gap: .6rem;
      padding: .9rem 1.3rem;
      border-radius: 999px;
      font-weight: 800;
      text-decoration: none;
      transition: transform .2s ease, background .2s ease;
    }
    .prototype-link { margin-top: 1rem; background: var(--slate-blue); color: #101827; }
    .back-button { border: 1px solid var(--border); background: rgba(255,255,255,.04); color: var(--ink); }
    .prototype-link:hover, .prototype-link:focus-visible,
    .back-button:hover, .back-button:focus-visible { transform: translateY(-2px); background: var(--slate-blue-light); color: #101827; }

    .bottom-actions { padding: 2rem 0 5rem; text-align: center; }

    .gallery-modal .modal-content { border: 1px solid var(--border); border-radius: 1.5rem; background: #0d1220; }
    .gallery-modal .modal-header { border-color: rgba(255,255,255,.12); color: var(--ink); }
    .gallery-modal .btn-close { filter: invert(1); }
    .gallery-modal .modal-body { display: grid; place-items: center; padding: 1rem; }
    .gallery-modal img { max-width: 100%; max-height: 82vh; border-radius: 1rem; object-fit: contain; }
/* ===== Case-study responsive width safety =====
       Keep decorative effects from widening the document and allow every
       grid/flex child to shrink inside Bootstrap's responsive container. */
    .case-study-page main,
    .case-study-page .case-hero,
    .case-study-page .story,
    .case-study-page .story-section,
    .case-study-page .story-grid,
    .case-study-page .story-copy,
    .case-study-page .story-visual,
    .case-study-page .visual-panel,
    .case-study-page .project-facts,
    .case-study-page .problem-solution-grid,
    .case-study-page .research-grid,
    .case-study-page .audience-grid,
    .case-study-page .screen-grid,
    .case-study-page .access-grid,
    .case-study-page .prototype-frame {
      min-width: 0;
      max-width: 100%;
    }

    .case-study-page .story,
    .case-study-page .story-section {
      overflow: hidden;
      overflow: clip;
    }

    .case-study-page .story-grid > *,
    .case-study-page .project-facts > *,
    .case-study-page .problem-solution-grid > *,
    .case-study-page .research-grid > *,
    .case-study-page .audience-grid > *,
    .case-study-page .screen-grid > *,
    .case-study-page .access-grid > * {
      min-width: 0;
    }

    .case-study-page .visual-panel,
    .case-study-page .story-media-button,
    .case-study-page .story-media-button img,
    .case-study-page .story-image,
    .case-study-page .screen-card,
    .case-study-page .screen-card button,
    .case-study-page .screen-card img,
    .case-study-page .prototype-frame,
    .case-study-page .prototype-frame iframe {
      width: 100%;
      max-width: 100%;
    }

    .case-study-page .hero-lede,
    .case-study-page .hero-meta,
    .case-study-page .story-title,
    .case-study-page .story-lede,
    .case-study-page .story-copy p,
    .case-study-page .fact-card,
    .case-study-page .research-card,
    .case-study-page .access-card,
    .case-study-page .audience-card,
    .case-study-page .screen-card {
      overflow-wrap: break-word;
    }

    @media (max-width: 991.98px) {
      .case-hero { min-height: auto; padding-bottom: 8rem; }
      .phone-stage { min-height: 390px; margin-top: 1rem; }
      .phone-shell { width: min(235px, 52vw); transform: rotate(1.5deg); }
      .story::before { left: 24px; transform: none; }
      .story-grid { grid-template-columns: 1fr; gap: 2.25rem; }
      .story-section { min-height: auto; padding: 5.5rem 0; }
      .story-section.reverse .story-copy, .story-section.reverse .story-visual { order: initial; }
      .story-visual { max-width: 820px; width: 100%; }
      .page-progress { right: 9px; }
      .prototype-frame iframe { min-height: 500px; }
    }

    @media (max-width: 767.98px) {
      .case-hero { padding-top: 3.25rem; padding-bottom: 6.25rem; }
      .case-hero h1 { font-size: clamp(2.25rem, 11vw, 3.1rem); }
      .hero-content .row { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.75rem; }
      .hero-meta { gap: .65rem 1rem; }
      .hero-meta span { width: 100%; }
      .story-title { font-size: clamp(1.9rem, 9vw, 2.8rem); }
      .story-copy p, .story-lede { font-size: 1rem; }
      .section-kicker, .eyebrow { letter-spacing: .1em; }
      .visual-panel { width: 100%; }
      .prototype-link, .back-button { max-width: 100%; justify-content: center; text-align: center; }

      .phone-stage { min-height: 345px; }
      .phone-shell { width: min(215px, 56vw); transform: rotate(.75deg); }
      .scroll-cue { bottom: 2rem; }
      .page-progress { display: none; }
      .story::before { display: none; }
      .story-section { padding: 4.2rem 0; }
      .story-grid { gap: 1.75rem; }
      .story-title { margin-top: .65rem; }
      .problem-solution-grid, .research-grid, .access-grid { grid-template-columns: 1fr; }
      .audience-grid { grid-template-columns: 1fr; }
      .screen-grid { grid-template-columns: 1fr; }
      .screen-card img { max-height: 540px; }
      .project-facts { grid-template-columns: 1fr; }
      .visual-panel { padding: 1rem; border-radius: 1.25rem; }
      .image-placeholder { min-height: 320px; }
      .prototype-frame iframe { min-height: 420px; aspect-ratio: 3 / 4; }
    }

    @media (max-width: 479.98px) {
      .case-hero { padding-bottom: 5.5rem; }
      .phone-stage { min-height: 285px; }
      .phone-shell { width: min(185px, 54vw); transform: none; }
      .visual-panel { padding: .9rem; }
      .fact-card, .mini-card, .access-card, .research-card, .audience-card { padding: .9rem; }
      .story-title { font-size: clamp(1.75rem, 9.5vw, 2.35rem); }
      .story-section { padding: 3.6rem 0; }
      .story-copy, .story-visual { transform: translateY(36px); }
      .prototype-frame iframe { min-height: 360px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
      .story-copy, .story-visual { opacity: 1 !important; filter: none !important; transform: none !important; }
      .story-section::before { opacity: .35 !important; }
    }

/* =========================================================
   SECTION-SPECIFIC LAYOUTS
   Desktop/tablet: preserve the two-column story layout.
   Only the card grids themselves are customized.
   ========================================================= */

/* 02 — Problem & Solution
   Boxes left, heading/copy right. Problem and Solution stay stacked. */
.case-study-page #problem-solution {
  min-height: auto;
}

.case-study-page #problem-solution .problem-solution-grid {
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* 03 — Competitive & UX Research
   Keep the normal story layout; research cards stay 2 x 2 inside the panel. */
.case-study-page #research .research-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.case-study-page #research .research-card {
  min-width: 0;
  height: 100%;
}

/* 04 — Audience
   Keep the normal reversed story layout, but stack the audience cards. */
.case-study-page #audience .audience-grid {
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* Keep these three sections side-by-side on tablet/desktop.
   This intentionally overrides the general 991px stack rule. */
@media (min-width: 768px) {
  .case-study-page #problem-solution .story-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
  }

  .case-study-page #problem-solution .story-visual {
    order: 1;
  }

  .case-study-page #problem-solution .story-copy {
    order: 2;
  }

  .case-study-page #research .story-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(2.5rem, 7vw, 7rem);
    align-items: center;
  }

  .case-study-page #research .story-copy {
    order: 1;
  }

  .case-study-page #research .story-visual {
    order: 2;
  }

  .case-study-page #audience .story-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(2.5rem, 7vw, 7rem);
    align-items: center;
  }

  .case-study-page #audience .story-copy {
    order: 2;
  }

  .case-study-page #audience .story-visual {
    order: 1;
  }
}

/* Phones: heading first, cards/media second. */
@media (max-width: 767.98px) {
  .case-study-page #problem-solution .story-grid,
  .case-study-page #research .story-grid,
  .case-study-page #audience .story-grid {
    grid-template-columns: 1fr;
  }

  .case-study-page #problem-solution .story-copy,
  .case-study-page #research .story-copy,
  .case-study-page #audience .story-copy {
    order: 1;
  }

  .case-study-page #problem-solution .story-visual,
  .case-study-page #research .story-visual,
  .case-study-page #audience .story-visual {
    order: 2;
  }

  .case-study-page #research .research-grid {
    grid-template-columns: 1fr;
  }

  .case-study-page .hero-meta span {
    width: 100%;
    white-space: normal;
  }

  .case-study-page .audience-card {
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: .9rem;
    padding: 1.15rem;
  }
}

/* =========================================================
   WIDTH SAFETY
   Prevent case-study content from creating horizontal page scroll.
   Footer and navbar remain controlled by portfolio.css.
   ========================================================= */
.case-study-page main,
.case-study-page main .case-hero,
.case-study-page main .story,
.case-study-page main .story-section,
.case-study-page main .story-grid,
.case-study-page main .story-copy,
.case-study-page main .story-visual,
.case-study-page main .visual-panel {
  min-width: 0;
  max-width: 100%;
}

.case-study-page main {
  overflow-x: clip;
}

/* =========================================================
   CASE STUDY HIERARCHY REVISION V2
   Final product first, deeper process by choice.
   ========================================================= */

.case-study-page.case-study-hierarchy-v2 .case-hero {
  min-height: auto;
  padding: clamp(4.6rem, 7vw, 6.5rem) 0 clamp(6.5rem, 9vw, 8rem);
}

.case-study-page.case-study-hierarchy-v2 .hero-top-row {
  align-items: center;
}

.case-study-page.case-study-hierarchy-v2 .hero-copy-column {
  position: relative;
  z-index: 3;
}

.case-study-page.case-study-hierarchy-v2 .hero-lede {
  max-width: 590px;
}

.case-study-page.case-study-hierarchy-v2 .hero-meta {
  gap: .65rem;
}

.case-study-page.case-study-hierarchy-v2 .hero-meta span {
  padding: .62rem .85rem;
  font-size: .82rem;
}

.case-study-page.case-study-hierarchy-v2 .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.55rem;
}

.case-study-page.case-study-hierarchy-v2 .hero-primary-action,
.case-study-page.case-study-hierarchy-v2 .hero-secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 46px;
  padding: .76rem 1.12rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.case-study-page.case-study-hierarchy-v2 .hero-primary-action {
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(100deg, var(--orange), #ff6d66 52%, var(--magenta));
  color: #fff;
  box-shadow: 0 12px 30px rgba(237,74,168,.16);
}

.case-study-page.case-study-hierarchy-v2 .hero-secondary-action {
  border: 1px solid rgba(165,180,212,.24);
  background: rgba(255,255,255,.045);
  color: var(--ink);
}

.case-study-page.case-study-hierarchy-v2 .hero-primary-action:hover,
.case-study-page.case-study-hierarchy-v2 .hero-secondary-action:hover,
.case-study-page.case-study-hierarchy-v2 .hero-primary-action:focus-visible,
.case-study-page.case-study-hierarchy-v2 .hero-secondary-action:focus-visible {
  transform: translateY(-2px);
}

.case-study-page.case-study-hierarchy-v2 .hero-primary-action:hover,
.case-study-page.case-study-hierarchy-v2 .hero-primary-action:focus-visible {
  color: #fff;
  box-shadow: 0 16px 34px rgba(237,74,168,.22);
}

.case-study-page.case-study-hierarchy-v2 .hero-secondary-action:hover,
.case-study-page.case-study-hierarchy-v2 .hero-secondary-action:focus-visible {
  border-color: rgba(57,214,232,.34);
  background: rgba(57,214,232,.065);
  color: #fff;
}

/* Product-first hero visual */
.case-study-page.case-study-hierarchy-v2 .hero-product-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1rem, 2vw, 1.45rem);
  border: 1px solid rgba(165,180,212,.18);
  border-radius: clamp(1.5rem, 2.5vw, 2rem);
  background:
    radial-gradient(circle at 78% 18%, rgba(57,214,232,.10), transparent 28%),
    radial-gradient(circle at 18% 82%, rgba(237,74,168,.08), transparent 30%),
    linear-gradient(145deg, rgba(21,31,54,.90), rgba(13,20,37,.95));
  box-shadow: 0 28px 68px rgba(0,0,0,.34);
}

.case-study-page.case-study-hierarchy-v2 .hero-product-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.60), transparent 92%);
}

.case-study-page.case-study-hierarchy-v2 .hero-product-heading,
.case-study-page.case-study-hierarchy-v2 .hero-screen-grid {
  position: relative;
  z-index: 2;
}

.case-study-page.case-study-hierarchy-v2 .hero-product-heading {
  max-width: 640px;
  margin: 0 auto 1rem;
  text-align: center;
}

.case-study-page.case-study-hierarchy-v2 .hero-product-heading h2 {
  margin: .45rem 0 .55rem;
  color: var(--ink);
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  line-height: 1.05;
  letter-spacing: -.02em;
}

.case-study-page.case-study-hierarchy-v2 .hero-product-heading p {
  margin: 0;
  color: var(--muted-ink);
  font-size: .78rem;
  line-height: 1.55;
}

.case-study-page.case-study-hierarchy-v2 .hero-screen-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .72rem;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .screen-card {
  border-color: rgba(165,180,212,.16);
  background: rgba(255,255,255,.025);
  box-shadow: 0 16px 34px rgba(0,0,0,.22);
}

.case-study-page.case-study-hierarchy-v2 .case-hero .screen-card button {
  padding: .55rem;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .screen-card img {
  max-height: 390px;
  border-radius: .7rem;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .screen-card footer {
  padding: 0 .65rem .75rem;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .screen-card h3 {
  font-size: .78rem;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .screen-card p {
  font-size: .74rem;
  line-height: 1.4;
}

/* Make the top of the page scannable. */
.case-study-page.case-study-hierarchy-v2 .story {
  padding-top: 0;
}

.case-study-page.case-study-hierarchy-v2 .story-section.quick-section {
  min-height: auto;
  padding: clamp(4rem, 6.5vw, 5.5rem) 0;
}

.case-study-page.case-study-hierarchy-v2 .story-section.final-product-section {
  padding-top: clamp(4.5rem, 7vw, 6rem);
  background:
    radial-gradient(circle at 78% 20%, rgba(57,214,232,.045), transparent 28%),
    linear-gradient(180deg, rgba(17,24,43,.10), transparent);
}

.case-study-page.case-study-hierarchy-v2 #prototype .story-grid {
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  gap: clamp(2.2rem, 5vw, 5rem);
}

.case-study-page.case-study-hierarchy-v2 #prototype .prototype-frame iframe {
  min-height: 520px;
}

.case-study-page.case-study-hierarchy-v2 #overview .story-grid,
.case-study-page.case-study-hierarchy-v2 #problem-solution .story-grid {
  align-items: center;
}

/* Strong phase shift: everything below this point is optional depth. */
.case-study-page.case-study-hierarchy-v2 .story-phase-divider {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.4rem) 0 .5rem;
}

.case-study-page.case-study-hierarchy-v2 .story-phase-divider .container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.case-study-page.case-study-hierarchy-v2 .story-phase-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(165,180,212,.18));
}

.case-study-page.case-study-hierarchy-v2 .story-phase-line:last-child {
  background: linear-gradient(90deg, rgba(165,180,212,.18), transparent);
}

.case-study-page.case-study-hierarchy-v2 .story-phase-label {
  color: var(--soft-ink);
  font-family: "Exo 2", sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.case-study-page.case-study-hierarchy-v2 .story-section.process-section {
  min-height: 70vh;
}

/* Early hierarchy gets quieter numbers and clearer content labels. */
.case-study-page.case-study-hierarchy-v2 .quick-section .section-number {
  color: var(--cyan);
}

.case-study-page.case-study-hierarchy-v2 .final-product-section .section-kicker {
  color: #9debf3;
}

/* Preserve width safety for the new hero composition. */
.case-study-page.case-study-hierarchy-v2 .hero-product-panel,
.case-study-page.case-study-hierarchy-v2 .hero-screen-grid,
.case-study-page.case-study-hierarchy-v2 .hero-screen-grid > *,
.case-study-page.case-study-hierarchy-v2 .hero-actions {
  min-width: 0;
  max-width: 100%;
}

/* Bottom action now behaves like category-level portfolio navigation. */
.case-study-page.case-study-hierarchy-v2 .bottom-actions {
  padding-top: 2.5rem;
}

/* Responsive */
@media (max-width: 1199.98px) {
  .case-study-page.case-study-hierarchy-v2 .case-hero h1 {
    font-size: clamp(2.65rem, 5.5vw, 4.8rem);
  }

  .case-study-page.case-study-hierarchy-v2 .hero-meta span {
    white-space: normal;
  }
}

@media (max-width: 991.98px) {
  .case-study-page.case-study-hierarchy-v2 .case-hero {
    padding-top: 4rem;
    padding-bottom: 7rem;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-copy-column {
    text-align: center;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-lede {
    margin-left: auto;
    margin-right: auto;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-meta,
  .case-study-page.case-study-hierarchy-v2 .hero-actions {
    justify-content: center;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-product-panel {
    max-width: 820px;
    margin: 0 auto;
  }

  .case-study-page.case-study-hierarchy-v2 #prototype .story-grid {
    grid-template-columns: 1fr;
  }

  .case-study-page.case-study-hierarchy-v2 #prototype .story-copy,
  .case-study-page.case-study-hierarchy-v2 #prototype .story-visual {
    order: initial;
  }
}

@media (max-width: 767.98px) {
  .case-study-page.case-study-hierarchy-v2 .case-hero {
    padding-top: 3.25rem;
    padding-bottom: 6.25rem;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-actions {
    width: 100%;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-primary-action,
  .case-study-page.case-study-hierarchy-v2 .hero-secondary-action {
    flex: 1 1 210px;
  }

  /* Keep all three finished screens visible together instead of turning
     the product preview into a long stack. */
  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-screen-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .45rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .screen-card button {
    padding: .35rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .screen-card footer {
    padding: 0 .4rem .5rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .screen-card h3 {
    font-size: .74rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .screen-card p {
    display: none;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-product-heading p {
    font-size: .76rem;
  }

  .case-study-page.case-study-hierarchy-v2 .story-section.quick-section {
    padding: 3.7rem 0;
  }

  .case-study-page.case-study-hierarchy-v2 #prototype .prototype-frame iframe {
    min-height: 430px;
    aspect-ratio: 3 / 4;
  }
}

@media (max-width: 479.98px) {
  .case-study-page.case-study-hierarchy-v2 .hero-product-panel {
    padding: .78rem;
    border-radius: 1.25rem;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-product-heading h2 {
    font-size: 1.35rem;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-product-heading p {
    display: none;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .screen-card h3 {
    font-size: .74rem;
  }

  .case-study-page.case-study-hierarchy-v2 .hero-primary-action,
  .case-study-page.case-study-hierarchy-v2 .hero-secondary-action {
    width: 100%;
    flex-basis: 100%;
  }

  .case-study-page.case-study-hierarchy-v2 .story-phase-divider .container {
    gap: .65rem;
  }

  .case-study-page.case-study-hierarchy-v2 .story-phase-label {
    font-size: .74rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-study-page.case-study-hierarchy-v2 .hero-primary-action,
  .case-study-page.case-study-hierarchy-v2 .hero-secondary-action {
    transition: none;
  }
}

/* =========================================================
   HERO PREVIEW PHONE SHELLS V3
   Keep the quick-scan 3-up preview, but make each screen
   feel like an actual app/device preview instead of a box.
   ========================================================= */

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-screen-grid {
  align-items: start;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card {
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell {
  position: relative;
  width: 100%;
  max-width: 170px;
  aspect-ratio: 9 / 19;
  margin: 0 auto .7rem;
  padding: 6px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 1.4rem;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
    #090d15;
  box-shadow:
    0 18px 36px rgba(0,0,0,.32),
    inset 0 1px 0 rgba(255,255,255,.06);
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell::before {
  content: "";
  position: absolute;
  z-index: 3;
  top: 6px;
  left: 50%;
  width: 36%;
  height: 14px;
  transform: translateX(-50%);
  border-radius: 0 0 12px 12px;
  background: #090d15;
  box-shadow: 0 1px 0 rgba(255,255,255,.03);
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell::after {
  content: "";
  position: absolute;
  inset: 10px auto 10px 10px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(to bottom, rgba(255,255,255,.10), rgba(255,255,255,0));
  opacity: .55;
  pointer-events: none;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell > button {
  width: 100%;
  height: 100%;
  display: block;
  padding: 0;
  border: 0;
  border-radius: 1.08rem;
  overflow: hidden;
  background: #111827;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  object-position: top center;
  border-radius: 1.08rem;
  background: linear-gradient(145deg, #1a2031, #0c101a);
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card footer {
  padding: 0 .35rem;
  text-align: center;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card h3 {
  margin: 0 0 .22rem;
  font-size: .76rem;
  line-height: 1.2;
}

.case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card p {
  margin: 0;
  font-size: .74rem;
  line-height: 1.35;
  color: var(--soft-ink);
}

@media (max-width: 991.98px) {
  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell {
    max-width: 160px;
  }
}

@media (max-width: 767.98px) {
  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell {
    max-width: 110px;
    padding: 4px;
    border-radius: 1rem;
    margin-bottom: .45rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell::before {
    top: 4px;
    height: 10px;
    border-radius: 0 0 10px 10px;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell > button,
  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell img {
    border-radius: .78rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card h3 {
    font-size: .74rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card p {
    display: none;
  }
}

@media (max-width: 479.98px) {
  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell {
    max-width: 92px;
    padding: 3px;
    border-radius: .92rem;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-shell::before {
    top: 3px;
    height: 9px;
  }

  .case-study-page.case-study-hierarchy-v2 .case-hero .hero-phone-card h3 {
    font-size: .74rem;
  }
}