/* ══ TOKENS ══ */
    :root {
      --bg: #f0eeeb;
      --surface: #ffffff;
      --surface-raised: #f8f7f5;
      --border: rgba(0,0,0,0.08);
      --text-primary: #1a1a1a;
      --text-secondary: #5a5a5a;
      --text-muted: #999;
      /* Cor deste case — verde-oliva quente, remetendo a fé, natureza, pertencimento */
      --case-accent: #2e7d5e;
      --case-accent-2: #e8a530;
      --case-accent-light: rgba(46,125,94,0.08);
      --case-accent-mid: rgba(46,125,94,0.18);
      --font: 'Nunito Sans', sans-serif;
      --size-xs: 0.75rem;
      --size-sm: 0.875rem;
      --size-base: 1rem;
      --size-md: 1.125rem;
      --size-lg: 1.5rem;
      --size-xl: 2rem;
      --size-2xl: 3rem;
      --space-2: 0.5rem;
      --space-3: 0.75rem;
      --space-4: 1rem;
      --space-5: 1.25rem;
      --space-6: 1.5rem;
      --space-8: 2rem;
      --space-12: 3rem;
      --space-16: 4rem;
      --space-24: 6rem;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 999px;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.07);
      --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
      --shadow-lg: 0 20px 60px rgba(0,0,0,0.13);
      --ease: cubic-bezier(0.4,0,0.2,1);
      --ease-out: cubic-bezier(0,0,0.2,1);
      --dur-base: 280ms;
      --dur-slow: 500ms;
      --dur-xslow: 800ms;
    }

    /* ══ RESET ══ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      background: var(--bg);
      color: var(--text-primary);
      line-height: 1.6;
      cursor: none;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    button { background: none; border: none; cursor: none; font-family: inherit; }
    a, button { cursor: none; }
    img { display: block; max-width: 100%; border-radius: var(--radius-md); }

    /* ══ CURSOR ══ */
    .cursor { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999; will-change: transform; transition: opacity 280ms ease; opacity: 0; }
    .cursor__dot { width: 12px; height: 12px; background: #1a1a1a; border: 2px solid #fff; border-radius: 50%; position: absolute; top: 0; left: 0; transform: translate(-50%,-50%); box-shadow: 0 1px 4px rgba(0,0,0,0.3); transition: transform 150ms ease, background 150ms ease; }
    .cursor__label { position: absolute; top: 10px; left: 14px; background: #ff3fa4; color: #fff; font-family: var(--font); font-size: 11px; font-weight: 700; letter-spacing: 0.02em; padding: 4px 10px; border-radius: 999px; white-space: nowrap; box-shadow: 0 4px 14px rgba(255,63,164,0.35); }
    .cursor__dot { width: 10px; height: 10px; background: #1a1a1a; border-radius: 50%; position: absolute; top: 0; left: 0; transform: translate(-50%,-50%); transition: transform 150ms ease, background 150ms ease, width 150ms ease, height 150ms ease; }
    body:has(a:hover) .cursor__dot, body:has(button:hover) .cursor__dot { width: 20px; height: 20px; background: #ff3fa4; transform: translate(-50%,-50%); }

    /* ══ NAV ══ */
    .nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 1rem 2rem;
      background: rgba(240,238,235,0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid transparent;
      transition: border-color var(--dur-base) var(--ease);
    }
    .nav.scrolled { border-bottom-color: var(--border); }
    .nav__back {
      display: flex; align-items: center; gap: 0.5rem;
      font-size: var(--size-sm); font-weight: 600;
      color: var(--text-secondary);
      padding: 0.4rem 0.75rem;
      border-radius: var(--radius-sm);
      transition: color var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
    }
    .nav__back:hover { color: var(--text-primary); background: rgba(0,0,0,0.05); }
    .nav__title { font-size: var(--size-sm); font-weight: 700; color: var(--text-primary); }
    .nav__progress { width: 80px; height: 3px; background: var(--border); border-radius: var(--radius-full); overflow: hidden; }
    .nav__progress-bar { height: 100%; background: var(--case-accent); width: 0%; transition: width 100ms linear; border-radius: var(--radius-full); }

    /* ══ LAYOUT ══ */
    .container { max-width: 760px; margin: 0 auto; padding: 0 2rem; overflow: hidden; }
    .container--wide { max-width: 1000px; margin: 0 auto; padding: 0 2rem; }

    /* ══ ANIMAÇÕES ══ */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(28px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .reveal {
      opacity: 0; transform: translateY(28px);
      transition: opacity var(--dur-xslow) var(--ease-out), transform var(--dur-xslow) var(--ease-out);
    }
    .reveal.in-view { opacity: 1; transform: translateY(0); }

    /* ══ SEÇÕES ══ */
    .case-section { padding: var(--space-24) 0; }
    .case-section--alt { background: var(--surface-raised); }
    .section-divider { width: 100%; height: 1px; background: var(--border); }

    .section-eyebrow {
      font-size: var(--size-xs); font-weight: 700;
      letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--case-accent); margin-bottom: var(--space-3);
    }
    .section-title {
      font-size: clamp(1.6rem, 3.5vw, var(--size-2xl));
      font-weight: 700; letter-spacing: -0.03em;
      line-height: 1.2; margin-bottom: var(--space-6);
    }
    .section-body {
      font-size: var(--size-base); font-weight: 300;
      color: var(--text-secondary); line-height: 1.85; max-width: 640px;
    }
    .section-body + .section-body { margin-top: var(--space-4); }

    /* ══ BOTÕES ══ */
    .btn {
      display: inline-flex; align-items: center; gap: 0.5rem;
      padding: 0.75rem 1.75rem; border-radius: var(--radius-full);
      font-family: var(--font); font-size: var(--size-sm); font-weight: 600;
      transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
      position: relative; overflow: hidden;
    }
    .btn--solid { background: var(--text-primary); color: #fff; }
    .btn--outline { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border); }
    .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

    /* ══════════════════
       HERO
    ══════════════════ */
    .case-hero {
      min-height: 100vh;
      display: flex; flex-direction: column;
      justify-content: flex-end;
      padding: 120px 0 var(--space-16);
      position: relative; overflow: hidden;
    }
    .case-hero::before {
      content: '';
      position: absolute; inset: 0;
      background-image: radial-gradient(circle, rgba(0,0,0,0.10) 1px, transparent 1px);
      background-size: 28px 28px; z-index: 0;
    }
    .case-hero::after {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 80% 70% at 50% 60%, transparent 30%, var(--bg) 100%);
      z-index: 1;
    }
    .case-hero__inner { position: relative; z-index: 2; }

    .case-badge {
      display: inline-flex; align-items: center; gap: 0.4rem;
      font-size: var(--size-xs); font-weight: 700;
      letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--case-accent);
      background: var(--case-accent-light);
      border: 1px solid rgba(46,125,94,0.2);
      padding: 5px 14px; border-radius: var(--radius-full);
      margin-bottom: var(--space-6);
      animation: fadeUp var(--dur-xslow) var(--ease-out) both;
    }
    .case-hero__headline {
      font-size: clamp(1.8rem, 4.5vw, 3.2rem);
      font-weight: 800; letter-spacing: -0.04em;
      line-height: 1.1; color: var(--text-primary);
      max-width: 760px; margin-bottom: var(--space-6);
      animation: fadeUp var(--dur-xslow) var(--ease-out) 100ms both;
    }
    .case-hero__headline em { font-style: normal; color: var(--case-accent); }
    .case-hero__sub {
      font-size: var(--size-md); font-weight: 300;
      color: var(--text-secondary); max-width: 620px;
      line-height: 1.75; margin-bottom: var(--space-12);
      animation: fadeUp var(--dur-xslow) var(--ease-out) 200ms both;
    }

    /* Meta cards */
    .case-meta {
      display: flex; flex-wrap: wrap; gap: var(--space-4);
      animation: fadeUp var(--dur-xslow) var(--ease-out) 300ms both;
    }
    .case-meta__card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-md); padding: var(--space-4) var(--space-6);
      min-width: 130px; box-shadow: var(--shadow-sm);
    }
    .case-meta__label { font-size: var(--size-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.3rem; }
    .case-meta__value { font-size: var(--size-sm); font-weight: 700; color: var(--text-primary); }
    .case-meta__card--accent { background: var(--case-accent); border-color: transparent; }
    .case-meta__card--accent .case-meta__label { color: rgba(255,255,255,0.65); }
    .case-meta__card--accent .case-meta__value { color: #fff; font-size: var(--size-md); }

    /* ══════════════════
       CONTEXTO + PROBLEMA
    ══════════════════ */
    .context-tension {
      background: var(--surface); border: 1px solid var(--border);
      border-left: 4px solid var(--case-accent);
      border-radius: var(--radius-md);
      padding: var(--space-6) var(--space-8);
      margin: var(--space-8) 0; box-shadow: var(--shadow-sm);
    }
    .context-tension p {
      font-size: var(--size-md); font-weight: 600;
      color: var(--text-primary); line-height: 1.6;
    }
    .bullet-list {
      display: flex; flex-direction: column; gap: var(--space-3);
      margin-top: var(--space-6);
    }
    .bullet-list__item {
      display: flex; align-items: flex-start; gap: var(--space-3);
      font-size: var(--size-base); font-weight: 300;
      color: var(--text-secondary); line-height: 1.6;
    }
    .bullet-list__item::before {
      content: '';
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--case-accent);
      margin-top: 9px; flex-shrink: 0;
    }

    /* ══════════════════
       BENCHMARK
    ══════════════════ */
    .benchmark-grid {
      display: grid; grid-template-columns: 1fr 1fr 1fr;
      gap: var(--space-4); margin-top: var(--space-8);
    }
    .benchmark-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: var(--space-6);
      box-shadow: var(--shadow-sm);
      transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
    }
    .benchmark-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .benchmark-card__platform {
      font-size: var(--size-xs); font-weight: 800;
      letter-spacing: 0.08em; text-transform: uppercase;
      color: var(--text-muted); margin-bottom: var(--space-4);
    }
    .benchmark-card--highlight .benchmark-card__platform { color: var(--case-accent); }
    .benchmark-card--highlight {
      border-color: var(--case-accent);
      border-width: 1.5px;
      background: linear-gradient(135deg, var(--surface) 60%, var(--case-accent-light) 100%);
    }
    .benchmark-gap {
      font-size: var(--size-sm); font-weight: 300;
      color: var(--text-secondary); line-height: 1.65;
    }
    .benchmark-gap strong { font-weight: 700; color: var(--text-primary); }

    .benchmark-insight {
      background: var(--text-primary); color: #fff;
      border-radius: var(--radius-md);
      padding: var(--space-6) var(--space-8);
      margin-top: var(--space-8);
    }
    .benchmark-insight p {
      font-size: var(--size-base); font-weight: 300;
      color: rgba(255,255,255,0.8); line-height: 1.8;
    }
    .benchmark-insight strong { font-weight: 700; color: #fff; }

    /* ══════════════════
       PESQUISA
    ══════════════════ */
    .research-split {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: var(--space-6); margin-top: var(--space-8);
    }
    .research-group__title {
      font-size: var(--size-sm); font-weight: 700;
      color: var(--text-primary); letter-spacing: -0.01em;
      margin-bottom: var(--space-4);
      display: flex; align-items: center; gap: var(--space-3);
    }
    .research-group__title::before {
      content: '';
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--case-accent); flex-shrink: 0;
    }
    .research-quote {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: var(--space-6);
      font-size: var(--size-sm); font-weight: 300;
      color: var(--text-secondary); line-height: 1.75;
      margin-top: var(--space-3);
      box-shadow: var(--shadow-sm);
    }
    .research-insight {
      background: var(--case-accent); color: #fff;
      border-radius: var(--radius-md);
      padding: var(--space-6) var(--space-8);
      margin-top: var(--space-8);
    }
    .research-insight p { font-size: var(--size-md); font-weight: 400; color: rgba(255,255,255,0.9); line-height: 1.7; }
    .research-insight strong { font-weight: 700; color: #fff; }

    /* placeholder de imagem */

    /* ══════════════════
       NAMING
    ══════════════════ */
    .naming-card {
      background: linear-gradient(135deg, var(--case-accent) 0%, #1a5c42 100%);
      border-radius: var(--radius-lg);
      padding: var(--space-12) var(--space-8);
      text-align: center; margin: var(--space-8) 0;
      position: relative; overflow: hidden;
    }
    .naming-card::before {
      content: '';
      position: absolute; inset: 0;
      background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .naming-card__word {
      position: relative;
      font-size: clamp(3rem, 8vw, 6rem);
      font-weight: 800; color: #fff;
      letter-spacing: -0.05em; line-height: 1;
      margin-bottom: var(--space-4);
    }
    .naming-card__meaning {
      position: relative;
      font-size: var(--size-md); font-weight: 300;
      color: rgba(255,255,255,0.75); line-height: 1.6;
      max-width: 420px; margin: 0 auto;
    }

    .naming-process {
      display: grid; grid-template-columns: 1fr 1fr 1fr;
      gap: var(--space-4); margin-top: var(--space-8);
    }
    .naming-step {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: var(--space-6);
      box-shadow: var(--shadow-sm);
      transition: transform var(--dur-base) var(--ease);
    }
    .naming-step:hover { transform: translateY(-4px); }
    .naming-step__num {
      font-size: var(--size-xs); font-weight: 800;
      color: var(--case-accent); background: var(--case-accent-light);
      width: 28px; height: 28px; border-radius: var(--radius-sm);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: var(--space-4); letter-spacing: 0.01em;
    }
    .naming-step__title { font-size: var(--size-sm); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-2); }
    .naming-step__desc { font-size: var(--size-xs); font-weight: 300; color: var(--text-secondary); line-height: 1.65; }

    /* ══════════════════
       ARQUITETURA
    ══════════════════ */
    .arch-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: var(--space-4); margin-top: var(--space-8);
    }
    .arch-side__title {
      font-size: var(--size-sm); font-weight: 700;
      letter-spacing: 0.06em; text-transform: uppercase;
      color: var(--case-accent); margin-bottom: var(--space-4);
      display: flex; align-items: center; gap: var(--space-3);
    }
    .arch-side__title::before {
      content: '';
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--case-accent); flex-shrink: 0;
    }
    .arch-feature {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-md); padding: var(--space-4) var(--space-5);
      margin-bottom: var(--space-3);
      font-size: var(--size-sm); font-weight: 400; color: var(--text-primary);
      display: flex; align-items: center; gap: var(--space-3);
      transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
    }
    .arch-feature:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
    .arch-feature::before {
      content: '';
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--case-accent); flex-shrink: 0;
    }

    /* ══════════════════
       MVP
    ══════════════════ */
    .mvp-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: var(--space-4); margin-top: var(--space-8);
      width: 100%; overflow: hidden;
    }
    .mvp-card {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: var(--space-6) var(--space-8);
      box-shadow: var(--shadow-sm);
      transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
      position: relative; overflow: hidden;
    }
    .mvp-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 3px;
      background: var(--case-accent);
      transform: scaleX(0); transform-origin: left;
      transition: transform var(--dur-slow) var(--ease-out);
    }
    .mvp-card:hover::before { transform: scaleX(1); }
    .mvp-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .mvp-card__icon { font-size: 1.6rem; margin-bottom: var(--space-4); }
    .mvp-card__title { font-size: var(--size-base); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-3); letter-spacing: -0.01em; }
    .mvp-card__desc { font-size: var(--size-sm); font-weight: 300; color: var(--text-secondary); line-height: 1.7; }

    .mvp-rationale {
      background: var(--case-accent-light);
      border: 1px solid rgba(46,125,94,0.2);
      border-radius: var(--radius-md);
      padding: var(--space-6) var(--space-8);
      margin-top: var(--space-8);
    }
    .mvp-rationale p { font-size: var(--size-base); font-weight: 400; color: var(--text-primary); line-height: 1.75; }
    .mvp-rationale strong { font-weight: 700; color: var(--case-accent); }

    /* ══════════════════
       TESTES
    ══════════════════ */
    .test-items {
      display: flex; flex-direction: column;
      gap: var(--space-3); margin-top: var(--space-8);
    }
    .test-item {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: var(--space-6) var(--space-8);
      display: flex; gap: var(--space-6); align-items: flex-start;
      box-shadow: var(--shadow-sm);
      transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
    }
    .test-item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
    .test-item__num {
      width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%;
      background: var(--case-accent); color: #fff;
      font-size: var(--size-xs); font-weight: 800;
      display: flex; align-items: center; justify-content: center;
      margin-top: 2px;
    }
    .test-item__title { font-size: var(--size-base); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-2); letter-spacing: -0.01em; }
    .test-item__desc { font-size: var(--size-sm); font-weight: 300; color: var(--text-secondary); line-height: 1.75; }

    /* ══════════════════
       APRENDIZADOS
    ══════════════════ */
    .learnings-list {
      display: flex; flex-direction: column;
      gap: var(--space-6); margin-top: var(--space-8);
    }
    .learning {
      display: flex; gap: var(--space-5); align-items: flex-start;
    }
    .learning__dot {
      width: 10px; height: 10px; border-radius: 50%;
      background: var(--case-accent); margin-top: 8px; flex-shrink: 0;
    }
    .learning__text {
      font-size: var(--size-base); font-weight: 300;
      color: var(--text-secondary); line-height: 1.75;
    }
    .learning__text strong { font-weight: 700; color: var(--text-primary); }

    .closing-statement {
      background: linear-gradient(135deg, var(--case-accent) 0%, #1a5c42 100%);
      border-radius: var(--radius-lg);
      padding: var(--space-12) var(--space-8);
      text-align: center; margin-top: var(--space-12); color: #fff;
    }
    .closing-statement p {
      font-size: var(--size-md); font-weight: 300;
      color: rgba(255,255,255,0.85); line-height: 1.8;
      max-width: 540px; margin: 0 auto;
    }
    .closing-statement strong { font-weight: 700; color: #fff; }

    /* ══ FOOTER ══ */

    
    /* ══ IMAGENS COM LIGHTBOX ══ */
    .img-wrap {
      position: relative; margin: var(--space-8) 0; cursor: zoom-in;
      border-radius: var(--radius-lg); overflow: hidden; display: block;
      max-height: 260px; background: var(--surface-raised);
      max-width: 100%;
    }
    .img-wrap::after {
      content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0);
      transition: background 200ms ease;
    }
    .img-wrap:hover::after { background: rgba(0,0,0,0.1); }
    .img-wrap__zoom {
      position: absolute; bottom: 0.75rem; right: 0.75rem;
      background: rgba(255,255,255,0.92); border-radius: 999px;
      padding: 5px 12px; font-size: 11px; font-weight: 700;
      letter-spacing: 0.06em; color: var(--text-primary);
      display: flex; align-items: center; gap: 5px;
      z-index: 2; pointer-events: none;
      opacity: 1; transition: opacity 200ms ease; box-shadow: var(--shadow-sm);
    }
    .img-wrap:hover .img-wrap__zoom { opacity: 1; background: rgba(255,255,255,1); }
    .case-img {
      width: 100%; max-width: 100%; height: auto; max-height: 360px;
      object-fit: contain; display: block;
    }
    /* ══ LIGHTBOX ══ */
    .lightbox {
      position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 99999;
      display: flex; align-items: center; justify-content: center;
      opacity: 0; visibility: hidden; transition: opacity 250ms ease, visibility 250ms ease; padding: 2rem;
      cursor: default;
    }
    .lightbox * { cursor: default; }
    .lightbox__close { cursor: pointer; }
    body.lightbox-open .cursor { display: none !important; }
    .lightbox.active { opacity: 1; visibility: visible; }
    .lightbox__img {
      max-width: 100%; max-height: 90vh; border-radius: var(--radius-lg);
      box-shadow: 0 32px 80px rgba(0,0,0,0.6); transform: scale(0.95);
      transition: transform 250ms ease; object-fit: contain;
    }
    .lightbox.active .lightbox__img { transform: scale(1); }
    .lightbox__close {
      position: absolute; top: 1.5rem; right: 1.5rem; width: 44px; height: 44px;
      background: rgba(255,255,255,0.15); border: none; border-radius: 50%;
      color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
      transition: background 150ms ease;
    }
    .lightbox__close:hover { background: rgba(255,255,255,0.3); }

    /* ══ RESPONSIVE ══ */
    .nav__lang { display: flex; align-items: center; gap: 0.5rem; color: var(--text-secondary); font-weight: 600; font-size: var(--size-sm); padding: 0.375rem 0.75rem; border-radius: var(--radius-sm); border: 1.5px solid var(--border); transition: color 280ms ease, border-color 280ms ease; }
    .nav__lang:hover { color: var(--text-primary); border-color: var(--text-primary); }
    .nav__link { display: flex; align-items: center; gap: 0.5rem; color: var(--text-secondary); font-weight: 600; font-size: var(--size-sm); padding: 0.375rem 0.75rem; border-radius: 6px; transition: color 280ms ease, background 280ms ease; }
    .nav__link:hover { color: var(--text-primary); background: rgba(0,0,0,0.05); }
  
            /* ══ FOOTER NAVEGAÇÃO CIRCULAR ══ */
    .case-footer {
      padding: var(--space-8) 0;
      border-top: 1px solid var(--border);
    }
    .case-footer__nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 640px;
      margin: 0 auto;
    }
    .case-footer__prev {
      display: flex; flex-direction: column; gap: 4px;
      align-items: flex-start;
      flex: 1;
    }
    .case-footer__next {
      display: flex; flex-direction: column; gap: 4px;
      align-items: flex-end;
      text-align: right;
      flex: 1;
    }
    .case-footer__center {
      display: flex; flex-direction: column;
      align-items: center; gap: 4px;
      flex-shrink: 0;
      padding: 0 var(--space-6);
    }
    .case-footer__dir {
      font-size: 0.65rem; font-weight: 700;
      letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--text-muted);
    }
    .case-footer__link {
      font-size: var(--size-sm); font-weight: 700;
      color: var(--text-primary); text-decoration: none;
      transition: color 200ms ease;
    }
    .case-footer__link:hover { color: var(--case-accent); }
    .case-footer__home {
      width: 40px; height: 40px; border-radius: 50%;
      background: var(--surface); border: 1.5px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      color: var(--text-muted); transition: all 200ms ease;
      text-decoration: none;
    }
    .case-footer__home:hover {
      background: var(--text-primary); color: #fff;
      border-color: var(--text-primary);
    }
    .case-footer__home-label {
      font-size: 0.6rem; font-weight: 700;
      color: var(--text-muted); letter-spacing: 0.1em;
      text-transform: uppercase;
    }
    @media (max-width: 600px) {
      .case-footer__nav { gap: var(--space-4); }
      .case-footer__center { padding: 0 var(--space-3); }
      .case-footer__link { font-size: var(--size-xs); }
    }
      .case-footer__link { font-size: var(--size-xs); }
    }
      .case-footer__next { align-items: center; text-align: center; }
    }

    /* ══ RESPONSIVO COMPLETO ══ */
    @media (max-width: 768px) {
      /* Nav */
      .nav { padding: 0.875rem 1.25rem; }
      .nav__title { font-size: 0.75rem; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

      /* Hero */
      .case-hero { padding: 100px 0 var(--space-12); }
      .case-hero__headline { font-size: clamp(1.5rem, 5vw, 2rem); }
      .case-hero__sub { font-size: var(--size-sm); }
      .case-badge { font-size: 0.65rem; }

      /* Meta cards */
      .case-meta { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
      .case-meta__card { min-width: unset; }

      /* Seções */
      .case-section { padding: var(--space-12) 0; }
      .section-title { font-size: clamp(1.25rem, 4vw, 1.75rem); }
      .section-body { font-size: var(--size-sm); }

      /* Grids */
      .conflict-vs { grid-template-columns: 1fr; gap: var(--space-4); }
      .conflict-vs__divider { display: none; }
      .role-grid { grid-template-columns: 1fr; }
      .pain-cards { grid-template-columns: 1fr; }
      .livia-principles { grid-template-columns: 1fr; }
      .results-grid { grid-template-columns: 1fr 1fr; }
      .decision-cards { grid-template-columns: 1fr; }
      .learnings-list { gap: var(--space-6); }
      .research-profiles { grid-template-columns: 1fr; }
      .impact-cards { grid-template-columns: 1fr; }
      .benchmark-grid { grid-template-columns: 1fr; }
      .mvp-grid { grid-template-columns: 1fr 1fr; }
      .arch-grid { grid-template-columns: 1fr; }
      .test-results { grid-template-columns: 1fr; }
      .prio-grid { grid-template-columns: 1fr; }
      .improve-list { gap: var(--space-4); }
      .result-cards { grid-template-columns: 1fr 1fr; }

      /* Imagens */
      .img-wrap { max-height: 260px; }
      .case-img { height: auto; max-height: 260px; }

      /* Compare slider */
      .compare-slider { width: 100%; max-width: 100%; }

      /* Footer circular */
      .case-footer__nav { grid-template-columns: 1fr; justify-items: center; gap: var(--space-6); text-align: center; }
      .case-footer__prev { align-items: center; }
      .case-footer__next { align-items: center; }
      .case-footer__link { font-size: var(--size-base); }

      /* Botões */
      .btn { font-size: var(--size-sm); padding: 0.6rem 1.2rem; }
    }

    @media (max-width: 480px) {
      .case-meta { grid-template-columns: 1fr 1fr; }
      .results-grid { grid-template-columns: 1fr; }
      .result-cards { grid-template-columns: 1fr; }
      .mvp-grid { grid-template-columns: 1fr; }
      .case-hero__headline { font-size: 1.4rem; }
      .img-wrap { max-height: 200px; }
      .case-img { height: auto; max-height: 200px; }
    }