/* Mawimbi site base. Every tunable value comes from custom properties written by engine.js.
   Per style structure (layouts, decorations, text treatment) lives in styles.css. */
@layer reset, base, components, layout, styles, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html, body { margin: 0; }
  img, svg, video { display: block; max-width: 100%; }
  button, input, select, textarea { font: inherit; color: inherit; }
  :where(h1, h2, h3, h4, h5, h6, p, figure, blockquote, ul, ol, dl) { margin: 0; }
}

@layer base {
  html { color-scheme: light; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  html[data-theme="dark"] { color-scheme: dark; }
  body {
    font-family: var(--font-body); font-size: var(--font-size-base); line-height: var(--line-height);
    color: var(--color-text); background-color: var(--color-bg);
    background-image: var(--bg-gradient); background-attachment: fixed; background-repeat: no-repeat;
    min-height: 100vh; overflow-x: hidden; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, h4, h5, h6, .h { font-family: var(--font-heading); font-weight: var(--heading-weight); letter-spacing: var(--heading-tracking); line-height: 1.12; text-wrap: balance; }
  h1, .h1 { font-size: min(var(--font-size-h1), 10vw); }
  h2, .h2 { font-size: min(var(--font-size-h2), 8vw); }
  h3, .h3 { font-size: var(--font-size-h4); }
  h4, .h4 { font-size: var(--font-size-h5); }
  .display { font-size: min(var(--font-size-display), 12.5vw); line-height: 1.02; }
  p { text-wrap: pretty; }
  a { color: var(--color-primary-ink); text-underline-offset: .2em; text-decoration-thickness: 1px; }
  a:hover { text-decoration-thickness: 2px; }
  code, kbd, pre, .mono { font-family: var(--font-mono); font-size: .9em; }
  :focus-visible { outline: var(--focus-width) var(--focus-style) var(--focus-color); outline-offset: var(--focus-offset); }
  ::selection { background: var(--color-primary); color: var(--color-on-primary); }
  .muted { color: var(--color-muted); }
  .small { font-size: var(--font-size-sm); }
  .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .skip-link { position: absolute; left: var(--space-2); top: -60px; z-index: 100; background: var(--color-primary); color: var(--color-on-primary); padding: var(--space-1) var(--space-3); border-radius: var(--radius-button); }
  .skip-link:focus { top: var(--space-2); }
  html.mw-anim body, html.mw-anim body *:not(.mw-sw):not(.mw-sw *) {
    transition: background-color var(--motion-duration) var(--motion-ease), color var(--motion-duration) var(--motion-ease), border-color var(--motion-duration) var(--motion-ease), border-radius var(--motion-duration) var(--motion-ease), box-shadow var(--motion-duration) var(--motion-ease), fill var(--motion-duration), stroke var(--motion-duration) !important;
  }
}

@layer components {
  /* buttons */
  .btn {
    --btn-bg: var(--color-surface); --btn-fg: var(--color-text); --btn-bd: var(--color-border);
    display: inline-flex; align-items: center; justify-content: center; gap: .5em; cursor: pointer; text-decoration: none; white-space: nowrap;
    font-family: var(--font-heading); font-weight: 600; font-size: var(--font-size-base); line-height: 1.2; letter-spacing: var(--heading-tracking);
    padding: calc(var(--space-2) * 1.1) calc(var(--space-3) * 1.2); min-height: 44px;
    background: var(--btn-bg); color: var(--btn-fg);
    border: var(--border-width) var(--border-style) var(--btn-bd); border-radius: var(--radius-button); box-shadow: var(--shadow-sm);
    transition: transform var(--motion-duration) var(--motion-ease), box-shadow var(--motion-duration) var(--motion-ease), background-color var(--motion-duration) var(--motion-ease), filter var(--motion-duration);
  }
  .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
  .btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
  .btn-primary { --btn-bg: var(--color-primary); --btn-fg: var(--color-on-primary); --btn-bd: var(--color-primary); }
  .btn-primary:hover { filter: brightness(1.06) saturate(1.05); }
  .btn-accent { --btn-bg: var(--color-accent); --btn-fg: var(--color-on-accent); --btn-bd: var(--color-accent); }
  .btn-secondary { --btn-bg: var(--color-card); backdrop-filter: blur(var(--blur)); }
  .btn-outline { --btn-bg: transparent; --btn-fg: var(--color-primary-ink); --btn-bd: var(--color-primary-ink); box-shadow: none; border-width: max(1px, var(--border-width)); }
  .btn-ghost { --btn-bg: transparent; --btn-bd: transparent; box-shadow: none; }
  .btn-ghost:hover { background: var(--color-primary-soft); box-shadow: none; }
  .btn-danger { --btn-bg: var(--color-danger); --btn-fg: var(--color-bg); --btn-bd: var(--color-danger); }
  .btn-sm { font-size: var(--font-size-sm); padding: var(--space-1) var(--space-3); min-height: 36px; }
  .btn-lg { font-size: var(--font-size-h6); padding: calc(var(--space-2) * 1.4) var(--space-4); min-height: 52px; }
  .btn-icon { padding: 0; width: 44px; }
  .btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; transform: none; filter: grayscale(.4); }
  .btn.is-loading::before { content: ""; width: 1em; height: 1em; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: mw-spin .8s linear infinite; }
  @keyframes mw-spin { to { transform: rotate(360deg); } }
  .btn svg { width: 1.1em; height: 1.1em; }

  /* cards */
  .card {
    background: var(--color-card); color: var(--color-text);
    border: var(--border-width) var(--border-style) var(--color-border); border-radius: var(--radius-card);
    box-shadow: var(--shadow); padding: var(--space-4);
    -webkit-backdrop-filter: blur(var(--blur)) saturate(1.3); backdrop-filter: blur(var(--blur)) saturate(1.3);
    position: relative; isolation: isolate;
  }
  .card-hover { transition: transform var(--motion-duration) var(--motion-ease), box-shadow var(--motion-duration) var(--motion-ease); }
  .card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
  .card h3 { margin-bottom: var(--space-1); }
  .card p + p { margin-top: var(--space-2); }

  /* badges and chips */
  .badge { display: inline-flex; align-items: center; gap: .35em; font-size: var(--font-size-sm); font-weight: 600; line-height: 1; padding: .4em .75em; border-radius: var(--radius-pill); background: var(--color-primary-soft); color: var(--color-primary-ink); border: var(--border-width) var(--border-style) transparent; font-family: var(--font-body); }
  .badge-solid { background: var(--color-primary); color: var(--color-on-primary); }
  .badge-accent { background: var(--color-accent); color: var(--color-on-accent); }
  .badge-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
  .badge-success { background: transparent; color: var(--color-success); border-color: currentColor; }
  .badge-warning { background: transparent; color: var(--color-warning); border-color: currentColor; }
  .badge-danger { background: transparent; color: var(--color-danger); border-color: currentColor; }
  .dot { width: .55em; height: .55em; border-radius: 50%; background: currentColor; display: inline-block; }
  .chip { display: inline-flex; align-items: center; gap: .4em; padding: .45em .95em; border-radius: var(--radius-button); border: max(1px, var(--border-width)) var(--border-style) var(--color-border); background: var(--color-card); color: var(--color-text); cursor: pointer; font-size: var(--font-size-sm); font-weight: 600; }
  .chip[aria-pressed="true"] { background: var(--color-primary); color: var(--color-on-primary); border-color: var(--color-primary); }

  /* forms */
  .field { display: grid; gap: var(--space-1); }
  .field > label, .label { font-weight: 600; font-size: var(--font-size-sm); }
  .hint { font-size: var(--font-size-sm); color: var(--color-muted); }
  .input, .select, .textarea {
    width: 100%; min-height: 46px; padding: var(--space-2) var(--space-3);
    background: var(--color-surface); color: var(--color-text);
    border: max(1px, var(--border-width)) var(--border-style) var(--color-border); border-radius: var(--radius-input);
    transition: border-color var(--motion-duration), box-shadow var(--motion-duration);
  }
  .textarea { min-height: 130px; resize: vertical; }
  .input::placeholder, .textarea::placeholder { color: var(--color-muted); opacity: .85; }
  .input:focus, .select:focus, .textarea:focus { border-color: var(--color-primary-ink); outline: none; box-shadow: 0 0 0 3px var(--color-primary-soft); }
  .input:focus-visible, .select:focus-visible, .textarea:focus-visible { outline: var(--focus-width) var(--focus-style) var(--focus-color); outline-offset: 1px; }
  .field.has-error .input, .input[aria-invalid="true"] { border-color: var(--color-danger); }
  .error-text { color: var(--color-danger); font-size: var(--font-size-sm); }
  .input-icon { position: relative; }
  .input-icon svg { position: absolute; left: var(--space-2); top: 50%; translate: 0 -50%; width: 18px; height: 18px; color: var(--color-muted); }
  .input-icon .input { padding-left: calc(var(--space-2) + 28px); }
  .check, .radio { display: flex; align-items: center; gap: var(--space-1); cursor: pointer; }
  .check input, .radio input { width: 1.15em; height: 1.15em; accent-color: var(--color-primary); }
  .switch { display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer; }
  .switch input { appearance: none; width: 46px; height: 26px; border-radius: 999px; background: var(--color-surface-2); border: max(1px, var(--border-width)) var(--border-style) var(--color-border); position: relative; cursor: pointer; transition: background var(--motion-duration); margin: 0; }
  .switch input::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--color-text); transition: transform var(--motion-duration) var(--motion-ease); }
  .switch input:checked { background: var(--color-primary); border-color: var(--color-primary); }
  .switch input:checked::after { transform: translateX(20px); background: var(--color-on-primary); }
  .range { width: 100%; accent-color: var(--color-primary); }

  /* tabs */
  .tabs [role="tablist"] { display: flex; gap: var(--space-1); flex-wrap: wrap; border-bottom: max(1px, var(--border-width)) var(--border-style) var(--color-border); margin-bottom: var(--space-3); }
  .tab { background: none; border: 0; padding: var(--space-2) var(--space-3); cursor: pointer; font-weight: 600; color: var(--color-muted); border-bottom: 3px solid transparent; margin-bottom: -1px; font-family: var(--font-heading); border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
  .tab[aria-selected="true"] { color: var(--color-text); border-bottom-color: var(--color-primary); }
  .tab:hover { color: var(--color-text); background: var(--color-primary-soft); }
  .tab-panel[hidden] { display: none; }

  /* segmented */
  .segmented { display: inline-flex; padding: 4px; gap: 4px; background: var(--color-surface-2); border-radius: var(--radius-button); border: var(--border-width) var(--border-style) var(--color-border); }
  .segmented button { border: 0; background: transparent; padding: var(--space-1) var(--space-3); border-radius: var(--radius-button); cursor: pointer; font-weight: 600; color: var(--color-muted); }
  .segmented button[aria-pressed="true"] { background: var(--color-card); color: var(--color-text); box-shadow: var(--shadow-sm); }

  /* modal */
  dialog.modal { border: var(--border-width) var(--border-style) var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); color: var(--color-text); box-shadow: var(--shadow-lg); padding: var(--space-5); max-width: min(520px, 92vw); }
  dialog.modal::backdrop { background: rgba(0, 0, 0, .45); backdrop-filter: blur(4px); }
  dialog.modal[open] { animation: mw-pop var(--motion-duration) var(--motion-ease); }
  @keyframes mw-pop { from { opacity: 0; transform: translateY(12px) scale(.98); } }
  .modal-actions { display: flex; gap: var(--space-2); justify-content: flex-end; margin-top: var(--space-4); }

  /* toasts */
  .toast-region { position: fixed; left: 50%; bottom: var(--space-4); translate: -50% 0; display: grid; gap: var(--space-2); z-index: 900; width: min(420px, 92vw); }
  .toast { display: flex; gap: var(--space-2); align-items: flex-start; padding: var(--space-3); background: var(--color-surface); color: var(--color-text); border: var(--border-width) var(--border-style) var(--color-border); border-left: 4px solid var(--toast-c, var(--color-primary)); border-radius: var(--radius-card); box-shadow: var(--shadow-lg); animation: mw-pop var(--motion-duration) var(--motion-ease); }
  .toast strong { display: block; }
  .toast button { margin-left: auto; background: none; border: 0; cursor: pointer; color: var(--color-muted); font-size: 1.2em; line-height: 1; }

  /* table */
  .table-wrap { overflow-x: auto; border: var(--border-width) var(--border-style) var(--color-border); border-radius: var(--radius-card); background: var(--color-card); box-shadow: var(--shadow-sm); backdrop-filter: blur(var(--blur)); }
  table.table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
  .table th, .table td { text-align: left; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border); }
  .table th { font-family: var(--font-heading); font-weight: 600; color: var(--color-muted); background: var(--color-surface-2); }
  .table tbody tr:hover { background: var(--color-primary-soft); }
  .table tr:last-child td { border-bottom: 0; }

  /* accordion */
  .accordion { display: grid; gap: var(--space-2); }
  .accordion details { background: var(--color-card); border: var(--border-width) var(--border-style) var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); backdrop-filter: blur(var(--blur)); }
  .accordion summary { cursor: pointer; padding: var(--space-3); font-family: var(--font-heading); font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: var(--space-2); }
  .accordion summary::-webkit-details-marker { display: none; }
  .accordion summary::after { content: "+"; font-size: 1.3em; line-height: 1; color: var(--color-primary-ink); transition: transform var(--motion-duration) var(--motion-ease); }
  .accordion details[open] summary::after { transform: rotate(45deg); }
  .accordion .acc-body { padding: 0 var(--space-3) var(--space-3); color: var(--color-muted); }

  /* misc */
  .alert { display: flex; gap: var(--space-2); padding: var(--space-3); border-radius: var(--radius-card); border: var(--border-width) var(--border-style) var(--color-border); background: var(--color-primary-soft); }
  .alert-accent { background: var(--color-accent-soft); }
  .progress { height: 10px; border-radius: 999px; background: var(--color-surface-2); overflow: hidden; border: var(--border-width) var(--border-style) var(--color-border); }
  .progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); border-radius: inherit; }
  .avatar { --av: var(--color-primary); width: 44px; height: 44px; border-radius: 50%; display: inline-grid; place-items: center; font-weight: 700; font-family: var(--font-heading); color: var(--color-on-primary); background: var(--av); border: 2px solid var(--color-bg); flex: none; }
  .avatar.alt { --av: var(--color-accent); color: var(--color-on-accent); }
  .avatar-stack { display: flex; } .avatar-stack .avatar + .avatar { margin-left: -12px; }
  .breadcrumb { display: flex; gap: var(--space-1); flex-wrap: wrap; font-size: var(--font-size-sm); color: var(--color-muted); list-style: none; padding: 0; }
  .breadcrumb li + li::before { content: "/"; margin-right: var(--space-1); opacity: .6; }
  .pagination { display: flex; gap: var(--space-1); list-style: none; padding: 0; flex-wrap: wrap; }
  .pagination a { display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 .6em; border-radius: var(--radius-button); border: var(--border-width) var(--border-style) var(--color-border); text-decoration: none; color: var(--color-text); background: var(--color-card); }
  .pagination a[aria-current="page"] { background: var(--color-primary); color: var(--color-on-primary); border-color: var(--color-primary); }
  .tooltip { position: relative; }
  .tooltip::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; translate: -50% 4px; background: var(--color-text); color: var(--color-bg); font-size: 12px; padding: 6px 10px; border-radius: var(--radius-sm); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--motion-duration), translate var(--motion-duration); }
  .tooltip:hover::after, .tooltip:focus-visible::after { opacity: 1; translate: -50% 0; }
  .kbd { font-family: var(--font-mono); font-size: .8em; padding: .15em .5em; border-radius: var(--radius-sm); border: 1px solid var(--color-border); border-bottom-width: 2px; background: var(--color-surface); }
  .icon-box { width: 48px; height: 48px; display: grid; place-items: center; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary-ink); margin-bottom: var(--space-3); flex: none; }
  .icon-box svg { width: 24px; height: 24px; }
  .icon-box.alt { background: var(--color-accent-soft); color: var(--color-accent-ink); }

  /* media slots: placeholders now, real files via media manifest later */
  .media { position: relative; overflow: hidden; border-radius: var(--radius-card); background: linear-gradient(135deg, var(--color-primary-soft), var(--color-accent-soft)); border: var(--border-width) var(--border-style) var(--color-border); box-shadow: var(--shadow); aspect-ratio: var(--ratio, 16 / 10); color: var(--color-primary-ink); }
  .media > svg.ph, .media > .ph { position: absolute; inset: 0; width: 100%; height: 100%; }
  .media > img, .media > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .media.has-media > .ph { display: none; }
  .media figcaption { position: absolute; left: var(--space-2); bottom: var(--space-2); font-size: 12px; }
}

@layer layout {
  .container { width: min(1200px, 100% - 2 * var(--space-4)); margin-inline: auto; }
  .container.narrow { width: min(760px, 100% - 2 * var(--space-4)); }
  .section { padding-block: var(--space-section); position: relative; }
  .section.tight { padding-block: calc(var(--space-section) * .55); }
  .section-head { max-width: 720px; margin-bottom: var(--space-6); }
  .section-head.center { margin-inline: auto; text-align: center; }
  .section-head p { margin-top: var(--space-3); }
  .eyebrow { display: inline-flex; align-items: center; gap: .5em; font-size: var(--font-size-sm); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-primary-ink); margin-bottom: var(--space-2); font-family: var(--font-body); }
  .lead { font-size: var(--font-size-h6); color: var(--color-muted); font-size: calc(var(--font-size-base) * 1.18); max-width: 62ch; }
  .stack > * + * { margin-top: var(--space-3); }
  .row { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }
  .grid { display: grid; gap: var(--space-4); }
  .grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
  .grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
  .grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

  /* background decoration layers */
  .bg-deco { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; display: none; }
  .blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .9; }
  .b1 { width: 46vw; height: 46vw; left: -10vw; top: -12vw; background: var(--deco-1); }
  .b2 { width: 38vw; height: 38vw; right: -8vw; top: 18vh; background: var(--deco-2); }
  .b3 { width: 42vw; height: 42vw; left: 28vw; bottom: -18vw; background: var(--deco-3); }
  html[data-gradients="on"][data-style="glassmorphism"] .bg-deco, html[data-gradients="on"][data-style="aurora-gradient"] .bg-deco, html[data-gradients="on"][data-style="claymorphism"] .bg-deco, html[data-gradients="on"][data-style="apple-liquid-glass"] .bg-deco { display: block; }
  .bg-texture { position: fixed; inset: 0; z-index: 1000; pointer-events: none; background: var(--texture-image); opacity: var(--texture-opacity); mix-blend-mode: normal; }
  html[data-texture="none"] .bg-texture { display: none; }

  /* header */
  .site-header { position: sticky; top: 0; z-index: 50; background: var(--color-header); -webkit-backdrop-filter: blur(max(12px, var(--blur))) saturate(1.4); backdrop-filter: blur(max(12px, var(--blur))) saturate(1.4); border-bottom: var(--border-width) var(--border-style) var(--color-border); }
  .nav-row { display: flex; align-items: center; gap: var(--space-3); min-height: 70px; }
  .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--color-text); flex: none; }
  .logo-mark { width: 36px; height: 36px; }
  .logo-mark rect { rx: min(11px, var(--radius-md)); }
  .wordmark { font-family: var(--font-heading); font-weight: var(--heading-weight); font-size: 1.35rem; letter-spacing: var(--heading-tracking); }
  .site-nav { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }
  .site-nav ul { display: flex; gap: var(--space-1); list-style: none; padding: 0; margin: 0; }
  .site-nav ul a { display: block; padding: var(--space-1) calc(var(--space-2) * 1.1); border-radius: var(--radius-button); color: var(--color-text); text-decoration: none; font-weight: 500; font-size: .96em; }
  .site-nav ul a:hover { background: var(--color-primary-soft); }
  .site-nav ul a[aria-current="page"] { color: var(--color-primary-ink); background: var(--color-primary-soft); font-weight: 650; }
  .nav-cta { display: flex; gap: var(--space-1); }
  .nav-toggle { display: none; margin-left: auto; background: var(--color-card); border: var(--border-width) var(--border-style) var(--color-border); border-radius: var(--radius-button); width: 44px; height: 44px; cursor: pointer; place-items: center; color: var(--color-text); }
  .nav-toggle svg { width: 22px; }
  @media (max-width: 980px) {
    .nav-toggle { display: grid; }
    .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; padding: var(--space-3); background: var(--color-surface); border-bottom: var(--border-width) var(--border-style) var(--color-border); box-shadow: var(--shadow-lg); }
    .site-nav.open { display: flex; }
    .site-nav ul { flex-direction: column; }
  }

  /* hero */
  .hero { padding-block: calc(var(--space-section) * .9) var(--space-section); }
  .hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: var(--space-6); align-items: center; }
  .hero-copy > * + * { margin-top: var(--space-4); }
  .hero-copy > .eyebrow + * { margin-top: var(--space-2); }
  .hero-copy .row { margin-top: var(--space-4); }
  .hero-meta { display: flex; align-items: center; gap: var(--space-2); font-size: var(--font-size-sm); color: var(--color-muted); }
  .hl { color: var(--color-primary-ink); }
  @media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

  .logos { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3) var(--space-6); align-items: center; color: var(--color-muted); }
  .logos svg { height: 26px; width: auto; opacity: .85; }
  .features-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(3, 1fr); }
  @media (max-width: 900px) { .features-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }
  .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
  @media (max-width: 800px) { .stats { grid-template-columns: 1fr 1fr; } }
  .stat-num { font-family: var(--font-heading); font-size: min(var(--font-size-h2), 9vw); font-weight: var(--heading-weight); letter-spacing: var(--heading-tracking); line-height: 1; color: var(--color-text); }
  .stat-label { color: var(--color-muted); margin-top: var(--space-1); }
  .quote p { font-size: calc(var(--font-size-base) * 1.08); }
  .quote footer { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-3); }
  .quote cite { font-style: normal; font-weight: 700; display: block; }
  .steps { counter-reset: step; }
  .step { counter-increment: step; }
  .step::before { content: counter(step, decimal-leading-zero); font-family: var(--font-mono); color: var(--color-primary-ink); font-weight: 700; display: block; margin-bottom: var(--space-2); }
  .cta-band { text-align: center; padding: var(--space-7) var(--space-4); background: linear-gradient(135deg, var(--color-primary-soft), var(--color-accent-soft)), var(--color-card); }
  .cta-band .row { justify-content: center; margin-top: var(--space-4); }
  .split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: center; }
  .split.reverse > :first-child { order: 2; }
  @media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split.reverse > :first-child { order: 0; } }
  .check-list { list-style: none; padding: 0; display: grid; gap: var(--space-2); margin-top: var(--space-3); }
  .check-list li { display: flex; gap: var(--space-2); align-items: flex-start; }
  .check-list li::before { content: ""; flex: none; width: 20px; height: 20px; margin-top: .2em; border-radius: 50%; background: var(--color-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat; }
  html[data-palette] .check-list li::before { background-color: var(--color-primary); }

  /* pricing */
  .billing { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin-bottom: var(--space-5); }
  .tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); align-items: stretch; }
  @media (max-width: 900px) { .tiers { grid-template-columns: 1fr; } }
  .tier { display: flex; flex-direction: column; gap: var(--space-3); }
  .tier.featured { border-color: var(--color-primary); box-shadow: var(--shadow-lg); }
  .tier .price { display: flex; align-items: baseline; gap: 6px; }
  .tier .amount { font-family: var(--font-heading); font-size: var(--font-size-h1); font-weight: var(--heading-weight); line-height: 1; letter-spacing: var(--heading-tracking); }
  .tier .btn { margin-top: auto; }

  /* about */
  .timeline { list-style: none; padding: 0; border-left: max(2px, var(--border-width)) var(--border-style) var(--color-border); margin-left: var(--space-1); }
  .timeline li { position: relative; padding: 0 0 var(--space-4) var(--space-4); }
  .timeline li::before { content: ""; position: absolute; left: -8px; top: .35em; width: 14px; height: 14px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 0 4px var(--color-bg); }
  .timeline time { font-family: var(--font-mono); font-size: var(--font-size-sm); color: var(--color-primary-ink); }
  .member { text-align: center; }
  .member .media { --ratio: 1; border-radius: var(--radius-card); margin-bottom: var(--space-3); }

  /* blog */
  .post-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
  .post-card .media { border-radius: 0; border: 0; box-shadow: none; --ratio: 16 / 9; }
  .post-card .post-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
  .post-card h3 a { color: var(--color-text); text-decoration: none; }
  .post-card h3 a:hover { color: var(--color-primary-ink); }
  .post-meta { font-size: var(--font-size-sm); color: var(--color-muted); display: flex; gap: var(--space-2); flex-wrap: wrap; }
  .featured-post { display: grid; grid-template-columns: 1.2fr 1fr; padding: 0; overflow: hidden; }
  .featured-post .media { border-radius: 0; border: 0; box-shadow: none; height: 100%; aspect-ratio: auto; min-height: 280px; }
  .featured-post .post-body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); justify-content: center; }
  @media (max-width: 800px) { .featured-post { grid-template-columns: 1fr; } }

  /* article */
  .article-head { text-align: center; max-width: 820px; margin: 0 auto var(--space-5); }
  .article-head .post-meta { justify-content: center; margin-top: var(--space-3); }
  .article-layout { display: grid; grid-template-columns: 1fr minmax(0, 720px) 1fr; gap: var(--space-5); }
  .article-layout .prose { grid-column: 2; }
  .toc { grid-column: 3; position: sticky; top: 100px; align-self: start; font-size: var(--font-size-sm); }
  .toc ol { padding-left: 1.2em; display: grid; gap: var(--space-1); }
  @media (max-width: 1100px) { .article-layout { grid-template-columns: 1fr; } .article-layout .prose, .toc { grid-column: 1; position: static; } }
  .prose { font-size: calc(var(--font-size-base) * 1.06); }
  .prose > * + * { margin-top: var(--space-3); }
  .prose h2 { margin-top: var(--space-6); font-size: var(--font-size-h3); }
  .prose h3 { margin-top: var(--space-4); }
  .prose blockquote { border-left: 4px solid var(--color-primary); padding: var(--space-1) 0 var(--space-1) var(--space-4); font-family: var(--font-heading); font-size: var(--font-size-h5); }
  .prose pre { background: var(--color-surface-2); border: var(--border-width) var(--border-style) var(--color-border); border-radius: var(--radius-md); padding: var(--space-3); overflow-x: auto; }
  .prose ul, .prose ol { padding-left: 1.3em; display: grid; gap: var(--space-1); }
  .prose figure figcaption { font-size: var(--font-size-sm); color: var(--color-muted); margin-top: var(--space-1); text-align: center; }

  /* contact */
  .contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-5); align-items: start; }
  @media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .form-grid .full { grid-column: 1 / -1; }
  @media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }
  fieldset { border: 0; padding: 0; margin: 0; }
  legend { font-weight: 600; font-size: var(--font-size-sm); margin-bottom: var(--space-1); }

  /* 404 */
  .notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; }
  .notfound .media { --ratio: 2 / 1; width: min(560px, 90vw); margin: 0 auto var(--space-4); }

  /* components page */
  .showcase { display: grid; gap: var(--space-5); }
  .showcase-block > h2 { font-size: var(--font-size-h3); margin-bottom: var(--space-3); display: flex; align-items: baseline; gap: var(--space-2); }
  .specimen { display: grid; gap: var(--space-2); }
  .specimen > div { display: flex; align-items: baseline; gap: var(--space-3); border-bottom: 1px dashed var(--color-border); padding-bottom: var(--space-1); overflow: hidden; }
  .specimen code { color: var(--color-muted); width: 90px; flex: none; }
  .swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: var(--space-2); }
  .swatch { border-radius: var(--radius-md); overflow: hidden; border: var(--border-width) var(--border-style) var(--color-border); background: var(--color-surface); font-size: 12px; }
  .swatch i { display: block; height: 56px; }
  .swatch span { display: block; padding: 6px 8px; }
  .side-nav { display: grid; gap: 4px; list-style: none; padding: 0; }
  .side-nav a { display: flex; gap: var(--space-2); align-items: center; padding: var(--space-1) var(--space-2); border-radius: var(--radius-md); color: var(--color-text); text-decoration: none; }
  .side-nav a[aria-current="true"] { background: var(--color-primary-soft); color: var(--color-primary-ink); font-weight: 650; }
  .side-nav a:hover { background: var(--color-surface-2); }

  /* footer */
  .site-footer { border-top: var(--border-width) var(--border-style) var(--color-border); padding-top: var(--space-6); margin-top: var(--space-6); background: color-mix(in srgb, var(--color-surface) 50%, transparent); }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-5); }
  .footer-grid ul { list-style: none; padding: 0; display: grid; gap: var(--space-1); }
  .footer-grid a { color: var(--color-text); text-decoration: none; }
  .footer-grid a:hover { color: var(--color-primary-ink); text-decoration: underline; }
  .footer-brand p { margin-top: var(--space-2); max-width: 40ch; }
  .footer-title { font-size: var(--font-size-sm); text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); margin-bottom: var(--space-2); font-family: var(--font-body); }
  .footer-base { display: flex; justify-content: space-between; gap: var(--space-2); flex-wrap: wrap; padding-block: var(--space-4); margin-top: var(--space-5); border-top: 1px solid var(--color-border); }
  @media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
}

@layer utilities {
  .center { text-align: center; }
  .mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); } .mt-5 { margin-top: var(--space-5); }
  .w-full { width: 100%; }
  [data-reveal] { opacity: 1; }
  html[data-motion="on"] [data-reveal].pre-reveal { opacity: 0; transform: translateY(14px); }
  html[data-motion="on"] [data-reveal].revealed { opacity: 1; transform: none; transition: opacity calc(var(--motion-duration) * 2) var(--motion-ease), transform calc(var(--motion-duration) * 2) var(--motion-ease); }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
    [data-reveal].pre-reveal { opacity: 1 !important; transform: none !important; }
  }
}

/* placeholder SVG paint, driven by theme variables */
@layer components {
  .ph .f-bg { fill: var(--color-bg); } .ph .f-surface { fill: var(--color-surface); } .ph .f-soft { fill: var(--color-primary-soft); } .ph .f-asoft { fill: var(--color-accent-soft); }
  .ph .f-text { fill: var(--color-text); } .ph .f-muted { fill: var(--color-muted); } .ph .f-primary { fill: var(--color-primary); } .ph .f-accent { fill: var(--color-accent); } .ph .f-onprimary { fill: var(--color-on-primary); }
  .ph .s-border { stroke: var(--color-border); } .ph .s-primary { stroke: var(--color-primary); } .ph .s-accent { stroke: var(--color-accent); } .ph .s-text { stroke: var(--color-text); }
  .ph .t-on { fill: var(--color-on-primary); font-family: var(--font-heading); } .ph .t-text { fill: var(--color-text); font-family: var(--font-heading); }
  .ph .o2 { opacity: .2; } .ph .o3 { opacity: .3; } .ph .o4 { opacity: .4; } .ph .o5 { opacity: .5; } .ph .o6 { opacity: .6; } .ph .o7 { opacity: .75; }
  .ph rect.s-border, .ph .f-surface.s-border { stroke-width: 1.5; }
}

/* live platform additions: responsive hardening, honeypots, footer signup */
@layer utilities {
body { overflow-x: clip; }
img, video, svg, iframe { max-width: 100%; }
.prose { min-width: 0; overflow-wrap: break-word; }
.prose pre, .prose code { overflow-wrap: normal; }
@media (max-width: 1100px) { .article-layout { grid-template-columns: minmax(0, 1fr); } }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.footer-subscribe { margin-top: var(--space-3); display: grid; gap: var(--space-1); max-width: 420px; }
.footer-subscribe .row { flex-wrap: nowrap; gap: var(--space-1); }
.footer-subscribe .input { min-width: 0; flex: 1; }
button[aria-busy="true"] { opacity: .7; cursor: progress; }
@media (max-width: 980px), (pointer: coarse), (hover: none) {
  .btn, .btn-sm, .chip, .tab, .input, .select { min-height: 44px; }
  .site-nav ul a { min-height: 44px; display: flex; align-items: center; }
  .input, .select, .textarea { font-size: max(16px, 1em); }
}
@media (max-width: 420px) { .footer-subscribe .row { flex-wrap: wrap; } .footer-subscribe .btn { width: 100%; } }
}

/* Install and update prompts. Left side so the Theme Studio control stays clear. */
@layer components {
  .pwa-dock {
    position: fixed;
    left: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    z-index: 1200;
    width: min(360px, calc(100vw - 32px));
    display: grid;
    gap: 8px;
  }
  .pwa-dock[hidden],
  .pwa-banner[hidden] { display: none !important; }
  .pwa-banner {
    display: grid;
    gap: 10px;
    padding: 14px;
    background: var(--color-surface, #141824);
    color: var(--color-text, #eef1f7);
    border: 1px solid var(--color-border, rgba(255, 255, 255, .14));
    border-radius: var(--radius-md, 14px);
    box-shadow: var(--shadow, 0 16px 40px rgba(0, 0, 0, .35));
  }
  .pwa-banner p { margin: 0; }
  .pwa-banner-actions { display: flex; flex-wrap: wrap; gap: 8px; }
  .pwa-check { margin-left: auto; }
  @media (max-width: 720px) {
    .pwa-dock { bottom: calc(84px + env(safe-area-inset-bottom)); }
  }
}