:root, [data-theme="light"] {
      --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
      --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
      --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
      --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
      --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
      --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
      --text-3xl: clamp(2.75rem, 1rem + 4vw, 5.5rem);
      --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
      --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
      --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;
      --color-bg: #f7f6f2;
      --color-surface: #faf8f4;
      --color-surface-2: #f2efe9;
      --color-surface-3: #ebe7e0;
      --color-border: rgba(40,37,29,.12);
      --color-divider: rgba(40,37,29,.08);
      --color-text: #28251d;
      --color-text-muted: #66635d;
      --color-text-faint: #9a968f;
      --color-text-inverse: #fbfaf7;
      --color-primary: #0d676f;
      --color-primary-hover: #0b5057;
      --color-primary-soft: rgba(13,103,111,.10);
      --color-accent: #8f5f3d;
      --shadow-sm: 0 1px 2px rgba(27, 24, 20, 0.05);
      --shadow-md: 0 10px 30px rgba(27, 24, 20, 0.08);
      --shadow-lg: 0 20px 50px rgba(27, 24, 20, 0.12);
      --radius-sm: 0.5rem;
      --radius-md: 0.875rem;
      --radius-lg: 1.25rem;
      --radius-xl: 1.75rem;
      --radius-pill: 999px;
      --content: 1160px;
      --content-wide: 1280px;
      --font-display: 'Instrument Serif', Georgia, serif;
      --font-body: 'Inter', Arial, sans-serif;
      --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
    }
    [data-theme="dark"] {
      --color-bg: #171614;
      --color-surface: #1d1c19;
      --color-surface-2: #23211e;
      --color-surface-3: #2b2925;
      --color-border: rgba(225,221,214,.12);
      --color-divider: rgba(225,221,214,.08);
      --color-text: #e4dfd6;
      --color-text-muted: #b8b1a8;
      --color-text-faint: #868077;
      --color-text-inverse: #1d1b18;
      --color-primary: #61aeb8;
      --color-primary-hover: #82c5cd;
      --color-primary-soft: rgba(97,174,184,.14);
      --color-accent: #c99a77;
      --shadow-sm: 0 1px 2px rgba(0,0,0,.22);
      --shadow-md: 0 10px 30px rgba(0,0,0,.30);
      --shadow-lg: 0 20px 50px rgba(0,0,0,.40);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font-body);
      font-size: var(--text-base);
      line-height: 1.65;
      color: var(--color-text);
      background: var(--color-bg);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    img, svg { display: block; max-width: 100%; height: auto; }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    .skip-link { position: absolute; left: -9999px; top: auto; }
    .skip-link:focus { left: 1rem; top: 1rem; z-index: 200; background: var(--color-primary); color: white; padding: .75rem 1rem; border-radius: .5rem; }
    .container { width: min(calc(100% - 2rem), var(--content)); margin-inline: auto; }
    .container-wide { width: min(calc(100% - 2rem), var(--content-wide)); margin-inline: auto; }
    .section { padding: clamp(var(--space-12), 7vw, var(--space-24)) 0; }
    .section-tight { padding: clamp(var(--space-10), 6vw, var(--space-16)) 0; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: var(--space-2);
      font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase;
      color: var(--color-text-muted); font-weight: 700;
    }
    .eyebrow::before { content: ''; width: 1.8rem; height: 1px; background: currentColor; opacity: .65; }
    h1, h2, h3, h4 { margin: 0; line-height: 1.06; text-wrap: balance; }
    h1, h2 { font-family: var(--font-display); font-weight: 400; }
    h1 { font-size: clamp(3.2rem, 6vw, 6rem); max-width: 11ch; }
    h2 { font-size: var(--text-2xl); max-width: 12ch; }
    h3 { font-size: var(--text-lg); font-weight: 600; }
    p { margin: 0; max-width: 70ch; color: var(--color-text-muted); }
    .lead { font-size: var(--text-lg); color: var(--color-text); max-width: 42ch; }
    .muted { color: var(--color-text-muted); }
    .grid { display: grid; gap: var(--space-6); }
    .btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; min-height: 46px;
      padding: .95rem 1.25rem; border-radius: var(--radius-pill); border: 1px solid transparent;
      font-size: var(--text-sm); font-weight: 600; transition: all var(--transition); cursor: pointer;
    }
    .btn-primary { background: var(--color-primary); color: var(--color-text-inverse); box-shadow: var(--shadow-sm); }
    .btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
    .btn-secondary { border-color: var(--color-border); background: transparent; }
    .btn-secondary:hover { background: var(--color-surface-2); }
    .btn-ghost { color: var(--color-text-muted); }
    .btn-ghost:hover { color: var(--color-text); }

    .site-header {
      position: sticky; top: 0; z-index: 100;
      background: color-mix(in oklab, var(--color-bg) 86%, transparent);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .site-header.scrolled { border-color: var(--color-divider); box-shadow: var(--shadow-sm); }
    .header-inner {
      min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
    }
    .brand { display: inline-flex; align-items: center; min-width: 0; }
    .brand-logo { display: block; width: auto; height: 52px; max-width: min(32vw, 360px); }
    .brand-logo-dark { display: none; }
    [data-theme="dark"] .brand-logo-light { display: none; }
    [data-theme="dark"] .brand-logo-dark { display: block; }
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }
    .nav { display: flex; align-items: center; gap: var(--space-4); }
    .nav-links { display: flex; align-items: center; gap: var(--space-4); }
    .nav-links a { font-size: var(--text-sm); color: var(--color-text-muted); position: relative; }
    .nav-links a::after {
      content: ''; position: absolute; left: 0; bottom: -.35rem; width: 100%; height: 1px;
      background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
    }
    .nav-links a:hover { color: var(--color-text); }
    .nav-links a:hover::after { transform: scaleX(1); }
    .theme-toggle, .menu-toggle {
      width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--color-border);
      background: var(--color-surface); color: var(--color-text); display: grid; place-items: center; cursor: pointer;
    }
    .menu-toggle { display: none; }

    .hero {
      position: relative; overflow: clip;
      padding: clamp(var(--space-8), 5vw, var(--space-16)) 0 clamp(var(--space-12), 6vw, var(--space-20));
    }
    .hero::before {
      content: ''; position: absolute; inset: 0 0 auto; height: 70%;
      background:
        radial-gradient(circle at 18% 18%, color-mix(in oklab, var(--color-primary) 12%, transparent), transparent 34%),
        radial-gradient(circle at 82% 20%, color-mix(in oklab, var(--color-accent) 10%, transparent), transparent 30%);
      pointer-events: none;
    }
    .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-8); align-items: start; position: relative; }
    .hero-copy { display: grid; gap: var(--space-5); padding-top: var(--space-2); }
    .hero-copy p:last-of-type { max-width: 56ch; }
    .hero-panel {
      border-radius: 30px; border: 1px solid var(--color-border);
      background: linear-gradient(160deg, var(--color-surface), var(--color-surface-2));
      box-shadow: var(--shadow-md); padding: var(--space-6); min-height: auto; position: relative; overflow: hidden;
    }
    .hero-panel::before {
      content: ''; position: absolute; inset: auto -20% -18% auto; width: 400px; aspect-ratio: 1;
      background: radial-gradient(circle, color-mix(in oklab, var(--color-primary) 22%, transparent) 0%, transparent 62%);
      filter: blur(18px); opacity: .8;
    }
    .hero-panel-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); align-items: start; }
    .hero-card, .stat-card, .mini-diagram, .quote-panel, .compare-card, .process-card, .framework-card, .problem-card, .context-card, .proof-card, .case-card, .manifesto-card, .contact-panel {
      border: 1px solid var(--color-border); background: color-mix(in oklab, var(--color-surface) 84%, transparent); border-radius: var(--radius-lg);
    }
    .framework-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.framework-card-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.framework-card-link:focus-visible {
  outline: 3px solid var(--color-primary-soft);
  outline-offset: 3px;
}
    .framework-card-button { width: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer; }
    .hero-card, .quote-panel, .proof-card, .case-card, .manifesto-card, .contact-panel, .problem-card, .framework-card, .compare-card, .process-card, .context-card { padding: var(--space-6); }
    .hero-note, .hero-stats, .mini-diagram, .hero-principle { grid-column: 1 / -1; }
    .hero-note, .hero-principle { max-width: none; }
    .hero-note strong, .stat-value { display: block; color: var(--color-text); }
    .hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .stat-card { padding: var(--space-4); }
    .stat-label { display: block; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .1em; color: var(--color-text-muted); margin-bottom: .35rem; }
    .stat-value { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.05; }
    .mini-diagram { padding: var(--space-5); display: grid; gap: var(--space-3); }
    .diagram-line { display: flex; align-items: center; gap: var(--space-3); color: var(--color-text); }
    .diagram-node { width: 12px; height: 12px; border-radius: 999px; background: var(--color-primary); box-shadow: 0 0 0 6px var(--color-primary-soft); flex: none; }
    .diagram-path { flex: 1; height: 1px; background: var(--color-divider); }

    /* Painel principal mais compacto para acompanhar a altura do conteúdo à esquerda */
    .hero-panel {
      padding: 1.125rem;
    }
    #lentes .case-card h3::after {
      content: "";
      display: block;
      width: 100%;
      height: 1px;
      background: var(--color-divider);
      margin-top: 10px;
      margin-bottom: 10px;
    }
    .hero-panel-grid {
      gap: .75rem;
    }
    .hero-panel .hero-card {
      padding: 1rem;
    }
    .hero-panel .hero-note p,
    .hero-panel .hero-principle p {
      font-size: .9rem;
      line-height: 1.48;
    }
    .hero-panel .hero-stats {
      gap: .75rem;
    }
    .hero-panel .stat-card {
      padding: .75rem;
    }
    .hero-panel .stat-label {
      font-size: .7rem;
      margin-bottom: .2rem;
    }
    .hero-panel .stat-value {
      font-size: clamp(1.35rem, 1.8vw, 1.8rem);
      line-height: 1;
    }
    .hero-panel .mini-diagram {
      padding: .875rem 1rem;
      gap: .5rem;
    }
    .hero-panel .diagram-line {
      gap: .65rem;
      font-size: .9rem;
      line-height: 1.3;
    }
    .hero-panel .diagram-node {
      width: 9px;
      height: 9px;
      box-shadow: 0 0 0 4px var(--color-primary-soft);
    }

    /* Alinha o painel conceitual ao início e ao fim do conteúdo principal */
    .hero-grid {
      align-items: stretch;
    }
    .hero-panel {
      height: 100%;
    }
    .hero-panel-grid {
      height: 100%;
      align-content: space-between;
    }

    .section-head { display: grid; gap: var(--space-4); margin-bottom: var(--space-8); }
    .section-head.split {
      /* Mantém a largura visual dos títulos e traz o texto da direita para mais perto. */
      grid-template-columns: minmax(0, 29rem) minmax(0, 1fr);
      align-items: center;
      gap: clamp(var(--space-6), 2.5vw, var(--space-10));
    }
    .section-title-group { display: grid; gap: var(--space-4); min-width: 0; }
    .section-head.split h2 { max-width: 17ch; }
    .section-head.split > p {
      width: 100%;
      max-width: 58ch;
      justify-self: end;
    }

    /* Ajuste exclusivo da seção "Mudança de contexto".
       O rótulo fica em uma linha própria e título + texto compartilham
       a mesma linha de grade, garantindo alinhamento real pelo topo. */
    .context-intro {
      display: grid;
      gap: var(--space-4);
      margin-bottom: var(--space-8);
    }
    .context-intro-main {
      display: grid;
      /* Usa a mesma coluna de título dos demais cabeçalhos editoriais. */
      grid-template-columns: minmax(0, 29rem) minmax(0, 1fr);
      gap: clamp(var(--space-6), 2.5vw, var(--space-10));
      align-items: start;
    }
    .context-intro-main h2 {
      max-width: 17ch;
    }
    .context-intro-main > p {
      width: 100%;
      max-width: 58ch;
      justify-self: start;
      margin: 0;
    }

    .context-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
    .context-card strong { display: block; margin-bottom: var(--space-2); color: var(--color-text); }

    .conviction-band {
      background: linear-gradient(180deg, color-mix(in oklab, var(--color-primary-soft) 90%, var(--color-surface)) 0%, var(--color-surface) 100%);
      border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider);
    }
    .quote-panel {
      max-width: none;
      background: transparent;
      border: none;
      padding: 0;
      display: grid;
      /* Aproxima o parágrafo sem reduzir a área útil da citação. */
      grid-template-columns: minmax(0, 34rem) minmax(0, 1fr);
      align-items: center;
      gap: clamp(var(--space-6), 2.5vw, var(--space-10));
    }
    .quote-title-group { display: grid; gap: var(--space-4); min-width: 0; }
    blockquote {
      margin: 0;
      width: 100%;
      max-width: 18ch;
      font-family: var(--font-display);
      font-size: clamp(2.4rem, 4vw, 4.3rem);
      line-height: 1.03;
    }
    .quote-panel > p {
      width: 100%;
      max-width: 56ch;
      justify-self: end;
    }

    .thesis-intro {
      display: grid;
      gap: var(--space-4);
    }
    .thesis-main {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: var(--space-6);
      align-items: start;
    }
    .thesis-copy {
      display: grid;
      gap: var(--space-4);
      min-width: 0;
    }
    .thesis-copy h2 { max-width: 12ch; }
    .compare-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .compare-card h3 { margin-bottom: var(--space-4); }
    .compare-card ul, .footer-links, .contact-list { list-style: none; padding: 0; margin: 0; }
    .compare-card li, .contact-list li { padding: .9rem 0; border-top: 1px solid var(--color-divider); color: var(--color-text-muted); }
    .compare-card li:first-child, .contact-list li:first-child { border-top: 0; }

    .process-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
    .step-tag, .framework-tag {
      display: inline-flex; align-items: center; justify-content: center;
      min-width: 2.2rem; min-height: 2.2rem; padding: .35rem .7rem; border-radius: 999px;
      background: var(--color-primary-soft); color: var(--color-primary); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
      margin-bottom: var(--space-4);
    }

    .frameworks-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-5); }
    .framework-main, .framework-side { display: grid; gap: var(--space-5); }
    .framework-subgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
    .framework-card.featured {
      background: linear-gradient(180deg, var(--color-surface), color-mix(in oklab, var(--color-primary-soft) 90%, var(--color-surface-2)));
    }
    .framework-result { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--color-divider); font-size: var(--text-sm); color: var(--color-text); }

    .problems-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
    .problem-card strong { display: block; margin-bottom: var(--space-3); color: var(--color-text); }

    .applications-grid { display: grid; gap: var(--space-6); align-items: start; }
    .applications-top {
      display: grid;
      /* Mantém a largura e as quebras do título, aproximando o texto da direita. */
      grid-template-columns: minmax(0, 29rem) minmax(360px, 1fr);
      gap: clamp(var(--space-6), 2.5vw, var(--space-10));
      align-items: start;
    }
    .applications-title {
      display: grid;
      gap: var(--space-4);
      min-width: 0;
    }
    .applications-title h2 {
      max-width: 13ch;
      white-space: normal;
      overflow-wrap: normal;
      font-size: clamp(2.1rem, 4.2vw, 3.25rem);
    }
    .applications-copy {
      max-width: 72ch;
    }
    .applications-content {
      display: grid;
      gap: var(--space-6);
      align-content: start;
      justify-self: stretch;
      min-width: 0;
    }
    .pill-row {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-3);
    }
    .pill { flex: 0 0 auto; }
    .pill {
      display: inline-flex; align-items: center; min-height: 40px; padding: .7rem 1rem; border-radius: 999px;
      background: var(--color-surface-2); border: 1px solid var(--color-border); color: var(--color-text); font-size: var(--text-sm);
      cursor: pointer; transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .pill:hover, .pill:focus-visible { transform: translateY(-2px); border-color: var(--color-primary); background: var(--color-primary-soft); outline: none; }
    .application-modal {
      position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 0;
      background: rgba(20, 19, 16, .68); opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition);
    }
    .application-modal.is-open { opacity: 1; visibility: visible; }
    .application-modal-panel {
      position: relative; width: 100vw; height: 100vh; max-width: none; max-height: none; overflow: auto;
      padding: clamp(1.25rem, 3vw, 3rem); background: var(--color-surface); border: 0;
      box-shadow: var(--shadow-lg); transform: translateY(12px); transition: transform var(--transition);
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(18rem, .58fr);
      grid-template-rows: auto auto 1fr;
      grid-template-areas:
        "eyebrow quote"
        "title   quote"
        "copy    copy";
      column-gap: clamp(var(--space-6), 5vw, var(--space-12));
      align-content: start;
    }
    .application-modal.is-open .application-modal-panel { transform: translateY(0); }
    .application-modal-panel > .eyebrow { grid-area: eyebrow; }
    .application-modal h2 { grid-area: title; max-width: 18ch; margin: var(--space-3) 0 var(--space-6); }
    .application-modal-body { display: contents; }
    .application-modal-quote {
      grid-area: quote;
      align-self: start;
      margin: 0;
      color: var(--color-text);
      font-size: var(--text-lg);
      line-height: 1.35;
    }
    .application-modal-copy {
      grid-area: copy;
      display: grid;
      gap: var(--space-5);
    }
    .application-modal-body > p:not(.application-modal-quote) { grid-area: copy; }
    .application-modal-body p { max-width: none; }
    .application-modal-body ul { display: grid; gap: .65rem; margin: 0; padding-left: 1.25rem; color: var(--color-text-muted); }
    .application-modal-body strong { color: var(--color-text); }
    .framework-modal-image { display: none; width: 100%; max-height: 84vh; object-fit: contain; margin: 0 0 var(--space-6); border: 1px solid var(--color-border); background: var(--color-surface-2); }
    .framework-modal-image.is-visible { display: block; }
    .application-modal-close {
      position: absolute; top: 1rem; right: 1rem; display: grid; place-items: center; width: 2.5rem; height: 2.5rem;
      border: 1px solid var(--color-border); border-radius: 50%; background: transparent; color: var(--color-text);
      cursor: pointer; font-size: 1.5rem; line-height: 1; transition: background var(--transition), color var(--transition);
    }
    .application-modal-close:hover, .application-modal-close:focus-visible { background: var(--color-primary); color: var(--color-text-inverse); outline: none; }
    body.modal-open { overflow: hidden; }

    .image-lightbox {
        position: fixed; inset: 0; z-index: 400;
        display: block;
        overflow: auto;
        padding: 2rem;
        background: rgba(10, 9, 7, .92);
        opacity: 0; visibility: hidden;
        transition: opacity var(--transition), visibility var(--transition);
      } 
      .image-lightbox.is-open { opacity: 1; visibility: visible; }
    .image-lightbox.is-open { opacity: 1; visibility: visible; }
    .image-lightbox-img {
          display: block;
          width: auto;
          height: auto;
          max-width: none;
          min-width: 100%;
          margin: 0 auto;
          box-shadow: var(--shadow-lg);
        }
    .image-lightbox-close {
      position: absolute; top: 1.5rem; right: 1.5rem; width: 3rem; height: 3rem; border-radius: 50%;
      border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.08); color: #fff;
      font-size: 1.75rem; line-height: 1; cursor: pointer; display: grid; place-items: center;
    }
    .image-lightbox-close:hover { background: rgba(255,255,255,.18); }

    .proof-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-6); align-items: stretch; }
    .proof-grid > .section-head { margin-bottom: 0; }
    .proof-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .metric-big { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); }
    .case-stack { display: grid; gap: var(--space-4); }
    .case-meta { font-size: var(--text-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: .75rem; }

    .manifesto-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-6); align-items: end; }
    .manifesto-card > .grid { min-width: 0; }
    .manifesto-card h2 { max-width: 24ch; }

    .contact-section {
      background: linear-gradient(180deg, transparent 0%, color-mix(in oklab, var(--color-primary-soft) 55%, transparent) 100%);
      border-top: 1px solid var(--color-divider);
    }
    .contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-6); align-items: start; }
    .contact-panel { background: linear-gradient(160deg, var(--color-surface), var(--color-surface-2)); box-shadow: var(--shadow-sm); }

    .footer { padding: var(--space-10) 0 var(--space-12); border-top: 1px solid var(--color-divider); background: var(--color-surface); }
    .footer-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-6); }
    .footer-links { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-2) var(--space-4); }
    .footer small { display: block; margin-top: var(--space-4); color: var(--color-text-faint); }


    .contact-form {
      display: grid;
      gap: var(--space-5);
      margin-top: var(--space-6);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--space-4);
    }

    .contact-form label {
      display: grid;
      gap: .5rem;
      color: var(--color-text);
      font-size: var(--text-sm);
      font-weight: 600;
    }

    .contact-form input,
    .contact-form textarea {
      width: 100%;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: var(--color-surface);
      color: var(--color-text);
      padding: .9rem 1rem;
      outline: none;
      font: inherit;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .contact-form textarea {
      min-height: 150px;
      resize: vertical;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px var(--color-primary-soft);
    }

    .contact-form button {
      justify-self: start;
    }

    .contact-form button:disabled {
      cursor: wait;
      opacity: .65;
      transform: none;
    }

    .form-honeypot {
      position: absolute;
      left: -9999px;
      width: 1px;
      height: 1px;
      overflow: hidden;
    }

    .form-status {
      min-height: 1.5em;
      font-size: var(--text-sm);
    }

    .form-status.success { color: var(--color-primary); }
    .form-status.error { color: #b42318; }

    @media (max-width: 1080px) {
      .hero-grid, .section-head.split, .quote-panel, .frameworks-layout, .applications-grid, .proof-grid, .contact-grid, .footer-grid, .manifesto-card { grid-template-columns: 1fr; }
      .hero-grid { align-items: start; }
      
      .hero-panel { height: auto; }
      .hero-panel-grid { height: auto; align-content: start; }
      .section-head.split, .quote-panel { gap: var(--space-6); }
      .section-head.split > p, .quote-panel > p { justify-self: start; max-width: 70ch; }
      .context-intro-main, .thesis-main { grid-template-columns: 1fr; gap: var(--space-6); }
      .context-intro-main > p { max-width: 70ch; }
      .section-head.split h2, blockquote { max-width: 18ch; }
      .process-row, .context-grid, .problems-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-panel { min-height: auto; }
      .brand-logo { height: 46px; max-width: min(55vw, 320px); }
      .application-modal-panel {
        grid-template-columns: 1fr;
        grid-template-areas:
          "eyebrow"
          "title"
          "quote"
          "copy";
      }
    }
    @media (max-width: 780px) {
      .nav-links, .nav > .btn { display: none; }
      .menu-toggle { display: grid; }
      .nav.open { position: relative; }
      .nav.open .nav-links {
        display: grid; position: absolute; top: calc(100% + .5rem); right: 0; left: auto; min-width: 260px;
        background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 20px; padding: var(--space-5); box-shadow: var(--shadow-md);
      }
      .nav.open .nav-links a { padding: .4rem 0; }
      .hero-stats, .compare-layout, .framework-subgrid, .proof-metrics, .context-grid, .process-row, .problems-grid { grid-template-columns: 1fr; }
      .applications-top { grid-template-columns: 1fr; }
      .applications-title h2 { max-width: 16ch; }
      .pill-row { flex-wrap: wrap; overflow-x: visible; }
      .btn-row { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .form-grid { grid-template-columns: 1fr; }
      .contact-form button { justify-self: stretch; }
      .container, .container-wide { width: min(calc(100% - 1.25rem), var(--content)); }
      .section { padding: var(--space-12) 0; }
      .hero { padding-top: var(--space-6); }
      .brand-logo { height: 40px; max-width: min(60vw, 280px); }
      .manifesto-card { align-items: start; }
      .manifesto-card h2 { max-width: 18ch; }
      blockquote { max-width: 100%; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      * { transition: none !important; }
    }