/* MeretAI 1.3.0 - professional / AdSense-ready craft (warm paper + deep green) */
:root {
  /* Surfaces */
  --color-bg: #f1efe8;
  --color-surface: #fffdf8;
  --color-surface-2: #f7f4ec;
  --color-ink: #141414;
  --color-muted: #58554e;
  --color-border: #ddd9cf;
  --color-border-strong: #c4bfb3;
  --color-accent: #0a5f44;
  --color-accent-hover: #084c37;
  --color-accent-soft: #e4f1ea;
  --color-accent-ink: #ffffff;
  --color-result: #06281e;
  --color-result-bg: #e8f5ef;
  --color-result-border: #9fcbb5;
  --color-warn-bg: #fff8e6;
  --color-warn-border: #e6c35c;
  --color-warn-ink: #92400e;
  --color-error: #b42318;
  --color-error-bg: #fef3f2;
  --color-error-border: #fecdca;
  --color-success: #0a5f44;
  --color-success-bg: #e4f1ea;
  --color-focus: #0a5f44;

  /* Type */
  --font-sans: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --tracking-display: -0.028em;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-body: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --fs-lead: clamp(1.02rem, 0.98rem + 0.25vw, 1.125rem);
  --fs-h3: clamp(1.02rem, 0.98rem + 0.25vw, 1.15rem);
  --fs-h2: clamp(1.28rem, 1.15rem + 0.55vw, 1.55rem);
  --fs-h1: clamp(1.75rem, 1.4rem + 1.35vw, 2.45rem);
  --fs-logo: 1.15rem;
  --lh-body: 1.52;
  --lh-tight: 1.15;
  --measure: 66ch;

  /* Density */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.35rem;
  --space-6: 1.75rem;
  --space-7: 2.25rem;
  --space-8: 2.75rem;
  --space-9: 3.5rem;
  --space-section: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  --tile-pad: 0.85rem 1rem;

  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 1px 2px rgba(20, 20, 20, 0.04), 0 4px 14px rgba(20, 20, 20, 0.05);
  --shadow-sm: 0 1px 2px rgba(20, 20, 20, 0.04);
  --shadow-md: 0 1px 3px rgba(20, 20, 20, 0.05), 0 2px 8px rgba(20, 20, 20, 0.04);
  --shadow-lift: 0 2px 8px rgba(20, 20, 20, 0.07);
  --shadow-header: 0 1px 0 rgba(20, 20, 20, 0.06);
  --shell-max: 1180px;
  --prose-max: 720px;
  --touch: 44px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  accent-color: var(--color-accent);
  color-scheme: light;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--color-accent-hover); }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.et-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-sm);
}
.et-skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.et-shell {
  width: min(100% - 2rem, var(--shell-max));
  margin-inline: auto;
}
.et-prose { max-width: var(--prose-max); }
.et-measure { max-width: var(--measure); }

/* --- Header / wordmark --- */
.et-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-header);
  position: sticky;
  top: 0;
  z-index: 100;
}
.et-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0.4rem 0;
  min-height: 3.15rem;
}
.et-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--fs-logo);
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.03em;
  line-height: 1;
}
.et-logo:hover { color: var(--color-ink); }
.et-logo__mono {
  display: inline-flex;
  color: var(--color-accent);
  flex-shrink: 0;
}
.et-logo__mono svg { display: block; }
.et-logo__word { display: inline-flex; align-items: baseline; }
.et-logo__meret { color: var(--color-ink); font-weight: 800; }
.et-logo__ai { color: var(--color-accent); font-weight: 800; }
.et-logo__rule {
  display: none;
  width: 1px;
  height: 0.95rem;
  background: var(--color-border-strong);
  margin-inline: var(--space-1);
}
.et-logo__tag {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: none;
}
@media (min-width: 900px) {
  .et-logo__tag { display: inline; }
  .et-logo__rule { display: inline-block; }
}
.et-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  min-height: var(--touch);
  min-width: var(--touch);
  align-items: center;
  justify-content: center;
}
.et-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
}
.et-nav a {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: var(--space-2) 0;
  display: inline-block;
  border-bottom: 2px solid transparent;
}
.et-nav a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent-soft);
}
.et-nav .current-menu-item > a,
.et-nav .current_page_item > a {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

@media (max-width: 768px) {
  .et-nav-toggle { display: inline-flex; }
  .et-nav {
    display: none;
    width: 100%;
    padding-bottom: var(--space-3);
  }
  .et-nav.is-open { display: block; }
  .et-header__inner { flex-wrap: wrap; }
  .et-nav ul { flex-direction: column; gap: 0; }
  .et-nav a {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    min-height: var(--touch);
    display: flex;
    align-items: center;
  }
}

/* --- Footer (publisher chrome) --- */
.et-footer {
  margin-top: var(--space-7);
  padding: var(--space-7) 0 var(--space-5);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--fs-sm);
}
.et-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 900px) {
  .et-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .et-footer__grid { grid-template-columns: 1fr; gap: var(--space-4); }
}
.et-footer h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink);
  font-weight: 700;
}
.et-footer p { margin: 0 0 var(--space-2); max-width: 38ch; }
.et-footer ul { list-style: none; margin: 0; padding: 0; }
.et-footer li { margin-bottom: var(--space-2); }
.et-footer a { color: var(--color-muted); text-decoration: none; }
.et-footer a:hover { color: var(--color-accent); }
.et-footer__email {
  display: inline-block;
  margin-top: var(--space-2);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}
.et-footer__email:hover { color: var(--color-accent-hover); }
.et-footer__bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-sm);
}
.et-footer__honesty {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  max-width: var(--measure);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
  font-weight: 700;
}
h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 600;
  margin: 0 0 var(--space-3);
}
h2 { font-size: var(--fs-h2); margin: var(--space-5) 0 var(--space-2); }
h3 { font-size: var(--fs-h3); margin: var(--space-4) 0 var(--space-2); }
p { margin: 0 0 var(--space-3); max-width: var(--measure); }
.et-muted { color: var(--color-muted); }
.et-lead {
  font-size: var(--fs-lead);
  line-height: 1.48;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  max-width: var(--measure);
}
.et-lead--tight { margin-bottom: var(--space-3); max-width: 44ch; }
.et-display {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.55rem + 1.8vw, 2.85rem);
  letter-spacing: var(--tracking-display);
  font-weight: 600;
  margin: 0 0 var(--space-2);
  line-height: 1.05;
}
.et-eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* --- Cards / sections --- */
.et-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.et-section { padding: var(--space-section) 0; }
.et-section--tight { padding: clamp(1.25rem, 1rem + 1vw, 1.85rem) 0; }
.et-section--tool { padding-top: var(--space-3); }
.et-section--alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.et-section h2:first-child,
.et-section__head h2 { margin-top: 0; }
.et-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  margin-bottom: var(--space-3);
}
.et-section__head h2 { margin: 0; }
.et-section__sub { margin: 0; font-size: var(--fs-sm); }

/* --- Home ATF: compact intro + instrument featured panel --- */
.et-home-atf {
  padding: clamp(1.15rem, 0.9rem + 1vw, 1.75rem) 0 clamp(1.35rem, 1rem + 1.1vw, 2rem);
  background:
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.et-home-atf > .et-shell {
  display: grid;
  gap: var(--space-4);
}
.et-home-atf [data-et-order="featured"] { order: 1; }
.et-home-atf [data-et-order="intro"] { order: 2; }
@media (min-width: 960px) {
  .et-home-atf > .et-shell {
    grid-template-columns: minmax(200px, 0.85fr) minmax(0, 1.4fr);
    align-items: start;
    gap: var(--space-5);
  }
  .et-home-atf [data-et-order="intro"] { order: 1; }
  .et-home-atf [data-et-order="featured"] { order: 2; }
}
.et-home-intro { max-width: 34rem; margin-bottom: 0; }
.et-home-intro .et-hero__search {
  margin-top: var(--space-3);
  max-width: 100%;
}
.et-home-intro .et-hero__search input {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  min-height: 2.5rem;
  font-size: var(--fs-sm);
}
.et-home-intro .et-btn--primary {
  min-height: 2.5rem;
  padding-inline: var(--space-3);
  font-size: var(--fs-sm);
}

/* Instrument featured panel: hairline + 4px left accent, not marketing shadow stack */
.et-home-featured {
  container-type: inline-size;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
}
@container (min-width: 640px) {
  .et-home-featured {
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  }
}
@media (min-width: 900px) {
  .et-home-featured {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
  }
}
.et-home-featured__head {
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
@media (min-width: 900px) {
  .et-home-featured__head {
    border-bottom: 0;
    border-right: 1px solid var(--color-border);
  }
}
.et-home-featured__title {
  margin: 0;
  font-size: clamp(1.15rem, 1.05rem + 0.45vw, 1.4rem);
  letter-spacing: -0.02em;
  color: var(--color-result);
  font-family: var(--font-sans);
  font-weight: 700;
}
.et-home-featured__desc {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-muted);
  max-width: none;
  line-height: 1.42;
}
.et-home-featured__open {
  margin-top: auto;
  padding-top: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-decoration: none;
  color: var(--color-accent);
}
.et-home-featured__open:hover { color: var(--color-accent-hover); }
.et-home-featured__card {
  padding: var(--space-3) var(--space-4) var(--space-4);
  min-width: 0;
}
.et-home-featured .et-tool > h1,
.et-home-featured .et-tool__purpose,
.et-home-featured .et-purpose,
.et-home-featured .et-howto,
.et-home-featured .et-formula,
.et-home-featured .et-examples,
.et-home-featured .et-assumptions,
.et-home-featured .et-faqs,
.et-home-featured .et-faq,
.et-home-featured .et-related,
.et-home-featured .et-ad-slot,
.et-home-featured .et-tool__edu,
.et-home-featured .et-tool-edu,
.et-home-featured .et-breadcrumb,
.et-home-featured h1.et-tool__title {
  display: none !important;
}
.et-home-featured .et-tool { max-width: none; }
.et-home-featured .et-tool-card {
  box-shadow: none;
  border: 0;
  padding: 0;
  background: transparent;
}

/* Static fallback featured card */
.et-featured-static {
  display: block;
  text-decoration: none;
  color: inherit;
}
.et-featured-static:hover { color: inherit; }
.et-featured-static__label {
  display: block;
  font-weight: 700;
  margin-bottom: var(--space-1);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}
.et-featured-static__fake-input {
  display: flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 600;
}
.et-featured-static__cta {
  margin: var(--space-3) 0 0;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-accent);
  max-width: none;
}
.et-featured-static .et-tool-card {
  box-shadow: none;
  border: 0;
  padding: 0;
}

.et-hero__search {
  display: flex;
  gap: var(--space-2);
  max-width: 28rem;
  margin-top: var(--space-3);
}
.et-hero__search input {
  flex: 1;
  min-height: var(--touch);
  font-size: 1rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  color: var(--color-ink);
  accent-color: var(--color-accent);
}
.et-hero__search input:focus-visible {
  border-color: var(--color-accent);
}

.et-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.et-btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: 0 1px 2px rgba(10, 95, 68, 0.24);
}
.et-btn--primary:hover { background: var(--color-accent-hover); color: var(--color-accent-ink); }
.et-btn--ghost {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}
.et-btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.et-btn:disabled,
.et-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

/* --- Grids --- */
.et-grid {
  display: grid;
  gap: var(--space-3);
}
.et-grid--dense { gap: 0.65rem; }
.et-grid--2 { grid-template-columns: repeat(2, 1fr); }
.et-grid--3 { grid-template-columns: repeat(3, 1fr); }
.et-grid--4 { grid-template-columns: repeat(4, 1fr); }
.et-grid--5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1000px) {
  .et-grid--5 { grid-template-columns: repeat(3, 1fr); }
  .et-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .et-grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .et-grid--5 { grid-template-columns: repeat(2, 1fr); }
  .et-grid--4,
  .et-grid--3,
  .et-grid--2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 380px) {
  .et-grid--5,
  .et-grid--4,
  .et-grid--3,
  .et-grid--2 { grid-template-columns: 1fr; }
}

/* Below-fold defer (modern-web defer-rendering-heavy-content) */
.et-grid--defer,
.et-related,
.et-tool__edu,
.et-howto,
.et-examples,
.et-faqs {
  content-visibility: auto;
  contain-intrinsic-size: 1px 480px;
}

/* --- Category chip --- */
.et-chip {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.45rem;
  margin-bottom: var(--space-1);
  line-height: 1.3;
  width: fit-content;
}

/* --- Dense tool tiles (container-aware) --- */
.et-tool-tile {
  container-type: inline-size;
  display: block;
  padding: var(--tile-pad);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  box-shadow: none;
  transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
}
.et-tool-tile--dense {
  display: flex;
  gap: 0;
  padding: 0;
  overflow: hidden;
  position: relative;
  min-height: 5.5rem;
  align-items: stretch;
}
.et-tool-tile__bar {
  width: 4px;
  flex-shrink: 0;
  background: var(--color-accent);
  display: block;
}
.et-tool-tile__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--tile-pad);
  min-width: 0;
}
.et-tool-tile:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}
.et-tool-tile:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}
.et-tool-tile h3 {
  margin: 0 0 0.2rem;
  font-size: 0.98rem;
  letter-spacing: -0.015em;
  color: var(--color-ink);
  font-weight: 700;
  font-family: var(--font-sans);
}
.et-tool-tile:hover h3 { color: var(--color-accent); }
.et-tool-tile p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.38;
  color: var(--color-muted);
  max-width: none;
}
.et-tool-tile--dense .et-chip {
  margin-bottom: 0.25rem;
  align-self: flex-start;
}
@container (max-width: 220px) {
  .et-tool-tile p { display: none; }
}
.et-tool-tile--pending {
  opacity: 0.7;
  pointer-events: none;
}

.et-cat-tile {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.7rem 0.85rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  box-shadow: none;
  transition: border-color 120ms ease, background 120ms ease;
  min-height: 3.6rem;
  justify-content: center;
}
.et-section--alt .et-cat-tile { background: var(--color-bg); }
.et-cat-tile:hover {
  border-color: var(--color-border-strong);
  background: var(--color-accent-soft);
}
.et-cat-tile strong {
  color: var(--color-ink);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}
.et-cat-tile span { font-size: var(--fs-xs); color: var(--color-muted); font-weight: 500; }
.et-cat-grid .et-cat-tile { min-height: 3.75rem; }

.et-honest-line {
  margin: var(--space-4) 0 0;
  font-size: var(--fs-sm);
  max-width: 62ch;
  line-height: 1.48;
}

/* Trust strip (honest, no fake metrics) */
.et-trust-strip {
  margin: 0;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  text-align: center;
}
.et-trust-strip p {
  margin: 0 auto;
  max-width: 72ch;
  padding-inline: 1rem;
  line-height: 1.45;
}
.et-trust-strip a {
  font-weight: 600;
  text-decoration: none;
}

/* --- Breadcrumb --- */
.et-breadcrumb {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin: 0 0 var(--space-3);
}
.et-breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.et-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-1);
  color: var(--color-border-strong);
}
.et-breadcrumb a { color: var(--color-muted); text-decoration: none; }
.et-breadcrumb a:hover { color: var(--color-accent); }

/* Sticky compact tool chrome */
.et-tool-chrome {
  position: sticky;
  top: 3.15rem;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  padding: 0.55rem 0.75rem;
  margin: 0 0 var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.et-tool-chrome__title {
  margin: 0;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.015em;
  flex: 1 1 auto;
  min-width: 0;
}
.et-tool-chrome .et-chip { margin: 0; }

/* --- Assumptions / formula / FAQ --- */
.et-assumptions {
  border-left: 3px solid var(--color-warn-border);
  background: var(--color-warn-bg);
  padding: var(--space-4);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: var(--space-4) 0;
}
.et-assumptions h2,
.et-assumptions h3 {
  margin-top: 0;
  color: var(--color-warn-ink);
  font-family: var(--font-sans);
}

.et-formula { margin: var(--space-4) 0; }
.et-formula h2 { margin-top: 0; font-family: var(--font-sans); }
.et-formula pre,
.et-mono,
pre.et-mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.55;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  overflow-x: auto;
  white-space: pre-wrap;
  box-shadow: none;
  margin: 0;
  color: var(--color-result);
}

.et-faq details {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
}
.et-faq summary {
  cursor: pointer;
  font-weight: 600;
  min-height: var(--touch);
  display: flex;
  align-items: center;
}
.et-faq details[open] summary { margin-bottom: var(--space-2); }
.et-faqs dt {
  font-weight: 700;
  margin-top: var(--space-3);
}
.et-faqs dd {
  margin: var(--space-1) 0 var(--space-3);
  color: var(--color-muted);
}

/* --- Ad slots (intentional empty region, AdSense-ready chrome) --- */
.et-ad-slot {
  min-height: 100px;
  margin: var(--space-4) 0;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: var(--fs-xs);
  background: var(--color-surface-2);
}
.et-ad-slot[data-filled="true"] {
  border-style: solid;
  min-height: 250px;
  background: transparent;
}
.et-ad-slot__label {
  opacity: 0.55;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

/* --- Tool layout rail --- */
.et-tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
@media (min-width: 960px) {
  .et-tool-layout--rail {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: var(--space-5);
  }
  .et-tool-layout__main > .et-related { display: none; }
}
@media (max-width: 959px) {
  .et-tool-layout__aside { display: none; }
}
.et-tool-layout__aside {
  font-size: var(--fs-sm);
}
.et-tool-layout__aside h2,
.et-tool-layout__aside h3 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0;
  font-family: var(--font-sans);
}
.et-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.et-related li {
  border-bottom: 1px solid var(--color-border);
}
.et-related a {
  display: block;
  padding: 0.55rem 0;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 600;
  font-size: var(--fs-sm);
}
.et-related a:hover { color: var(--color-accent); }

.et-howto ol { padding-left: 1.25rem; }
.et-howto li { margin-bottom: var(--space-2); }

.et-examples { display: grid; gap: var(--space-3); }
.et-example {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  box-shadow: none;
}
.et-example strong { display: block; margin-bottom: var(--space-2); }

/* --- Search / forms --- */
.et-search-form {
  display: flex;
  gap: var(--space-2);
  max-width: 26rem;
}
.et-search-form input {
  flex: 1;
  min-height: var(--touch);
  font-size: 1rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-ink);
  accent-color: var(--color-accent);
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

.et-main {
  min-height: 50vh;
  padding-bottom: var(--space-5);
}

.et-content {
  max-width: var(--prose-max);
}
.et-content h2 {
  font-family: var(--font-sans);
  font-size: var(--fs-h2);
  margin-top: var(--space-5);
}
.et-content h2:first-child { margin-top: 0; }
.et-content ul, .et-content ol {
  max-width: var(--measure);
  padding-left: 1.25rem;
}
.et-content li { margin-bottom: var(--space-2); }

.et-empty {
  margin: var(--space-4) 0;
  color: var(--color-muted);
  font-size: var(--fs-sm);
}

/* Pagination */
.navigation.pagination { margin-top: var(--space-5); }
.navigation.pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.navigation.pagination a,
.navigation.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 600;
}
.navigation.pagination .current {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

/* Tool card / results (theme layer; plugin tools.css owns calculator specifics) */
.et-tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.et-tool-card__grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 720px) {
  .et-tool-card__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-4);
    align-items: start;
  }
}
.et-tool-card__inputs .et-field { margin-bottom: var(--space-3); }

.et-results,
.et-tool-card__results {
  background: linear-gradient(165deg, #f1faf5 0%, var(--color-result-bg) 100%);
  border: 1px solid var(--color-result-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-4);
  min-height: 7.5rem;
}
.et-results h3,
.et-tool-card__results h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-result);
  font-family: var(--font-sans);
  font-weight: 700;
}
.et-result-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-result-border);
  font-size: var(--fs-sm);
}
.et-result-row:last-of-type { border-bottom: 0; }
.et-result-row__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 1.125rem;
  color: var(--color-result);
}

.single-et_tool .et-section { padding-top: var(--space-3); }
.single-et_tool h1 {
  font-family: var(--font-display);
  font-weight: 600;
}

/* Archive denser */
.archive .et-tool-tile,
.tax-et_category .et-tool-tile {
  display: flex;
  gap: 0;
  padding: 0;
  overflow: hidden;
  min-height: 5.25rem;
}
.archive .et-tool-tile::before,
.tax-et_category .et-tool-tile::before {
  content: "";
  width: 4px;
  flex-shrink: 0;
  background: var(--color-accent);
}


/* --- 1.6: header search, last updated, print polish --- */
.et-header__inner {
  flex-wrap: wrap;
  gap: var(--space-3);
}
.et-header__search {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex: 1 1 12rem;
  max-width: 16rem;
  min-height: 44px;
}
.et-header__search input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid var(--color-border-strong);
  border-right: 0;
  border-radius: var(--radius) 0 0 var(--radius);
  padding: 0.5rem 0.75rem;
  font: inherit;
  font-size: 0.95rem;
  background: var(--color-surface);
  color: var(--color-ink);
  min-height: 44px;
}
.et-header__search input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  z-index: 1;
}
.et-header__search button {
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0 0.85rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}
.et-header__search button:hover {
  background: var(--color-accent-hover);
}
.et-header__search button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
@media (max-width: 720px) {
  .et-header__search {
    order: 3;
    flex: 1 1 100%;
    max-width: none;
  }
}
.et-last-updated {
  margin: var(--space-3) 0 var(--space-2);
  font-size: var(--fs-sm, 0.9375rem);
  color: var(--color-muted);
}
.et-last-updated time {
  font-variant-numeric: tabular-nums;
}
/* Keep ad slot height reserved so layout does not jump */
.et-ad-slot {
  min-height: 120px;
}
@media print {
  .et-header,
  .et-footer,
  .et-breadcrumb,
  .et-tool-chrome,
  .et-tool-layout__aside,
  .et-ad-slot,
  .et-header__search,
  .et-nav-toggle,
  .et-skip-link {
    display: none !important;
  }
  .et-main { padding: 0 !important; }
  body { background: #fff !important; color: #000 !important; }
  .et-tool-card { break-inside: avoid; border: 1px solid #999 !important; box-shadow: none !important; }
  .et-tool-card__results { margin-top: 0.75rem; }
  .et-last-updated { color: #333 !important; }
}