/* ====================================================================
   HandyConvert — shared base stylesheet
   Mobile-first. Plain CSS, custom properties for theming. No preprocessor.
   Category accent colours live in /assets/<category>.css, loaded after
   this file by header.php. The :root values below are the Home & Build
   defaults and act as a fallback if no category file loads.
   ==================================================================== */

:root {
  --bg:            #FFFFFF;
  --surface:       #FFFFFF;
  --surface-alt:   #F4F4F5;
  --text:          #1A1A1A;
  --text-muted:    #5C5C62;
  --border:        #E6E6E9;
  --border-strong: #CDCDD2;

  --accent:        #D97706;   /* default = Home & Build amber */
  --accent-strong: #B45309;
  --accent-soft:   #FEF3E2;
  --on-accent:     #FFFFFF;

  --svg-fill:      #F4F4F5;
  --svg-stroke:    #9A9AA0;

  --ok:            #15803D;
  --shadow:        0 1px 3px rgba(0,0,0,.07), 0 6px 18px rgba(0,0,0,.05);

  --radius:        12px;
  --radius-sm:     8px;
  --gutter:        20px;   /* space framing the content; scales up on wider screens */

  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg:            #16161A;
  --surface:       #1F1F25;
  --surface-alt:   #2A2A31;
  --text:          #F1F0EC;
  --text-muted:    #A6A39B;
  --border:        #34343D;
  --border-strong: #45454F;

  --accent:        #F59E0B;
  --accent-strong: #FBBF24;
  --accent-soft:   #2E2410;
  --on-accent:     #1A1A1A;

  --svg-fill:      #26262E;
  --svg-stroke:    #6E6E78;

  --ok:            #4ADE80;
  --shadow:        0 1px 3px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.35);
}

/* ---- Reset & base ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
[x-cloak] { display: none !important; }

/* ====================================================================
   GLOBAL CORNER LOCK — no rounded corners anywhere on the site,
   on any element, ever. Overrides any legacy per-component
   border-radius from older stylesheets, browser defaults, or
   user-agent UI elements.
   ==================================================================== */
*, *::before, *::after, input, select, textarea, button {
  border-radius: 0 !important;
}
/* Reserve the homepage unit-converter's height while Alpine hydrates, so its
   reveal doesn't shove the category cards down (fixes the homepage CLS).
   The value approximates the default "length" view — being close is enough to
   take CLS from ~0.4 into the green. After hydration this selector stops
   matching, so the real content height takes over. */
.uconv[x-cloak] { display: block !important; visibility: hidden; min-height: 620px; }
@media (min-width: 640px) { .uconv[x-cloak] { min-height: 520px; } }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0 auto;
  max-width: 1260px;            /* narrower content column; cards wrap to 2 rows */
  padding: var(--gutter) var(--gutter) 0; /* no bottom gutter so the footer sits flush */
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  /* Sticky footer: fill at least the viewport so the footer sits flush at
     the bottom on short pages; main grows to take up the slack. */
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ---- Monotone icons ---------------------------------------------- */
.icon {
  width: 1.15em; height: 1.15em; flex: none; vertical-align: -0.16em;
  filter: url(#hc-sketch);   /* gentle hand-drawn wobble on the line work */
}
/* Hand-drawn PNG icons replace the line icons — no SVG filter, fit cleanly. */
.icon--img { filter: none; object-fit: contain; }
[data-theme="dark"] .icon--img { filter: invert(1); }
.btn .icon, .hc-consent__btn .icon { width: 17px; height: 17px; }
.card-icon { display: block; color: var(--accent); margin-bottom: 4px; }
.card-icon .icon { width: 200px; height: auto; max-width: 100%; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: 25px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
p  { margin: 0 0 1em; }
a  { color: var(--accent-strong); text-decoration-thickness: 1px; text-underline-offset: 2px; }
img, svg { max-width: 100%; }
.tabular { font-variant-numeric: tabular-nums; }

/* Full-width content; the 50px frame is the body padding around it. */
.container { width: 100%; margin: 0 auto; padding: 0; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--on-accent);
  padding: 10px 16px; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---- Site header -------------------------------------------------- */
/* No box — the header is just content with a soft hairline rule beneath. */
.site-header {
  background: transparent;
  border-bottom: 1px solid var(--border-strong);
}
.site-header__inner {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px;
  padding: 6px 0;   /* header hugs the logo — no tall empty band */
}
.site-logo { display: inline-flex; align-items: center; text-decoration: none; }
.site-logo__img { width: 300px; height: auto; max-width: 72vw; display: block; }
/* The logo is black line art — flip it to white in dark mode. */
[data-theme="dark"] .site-logo__img { filter: invert(1); }
.theme-toggle .icon { width: 20px; height: 20px; }
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a {
  color: var(--text-muted); text-decoration: none; font-weight: 500;
  padding: 8px 10px; border-radius: var(--radius-sm); font-size: 15px;
}
.site-nav a:hover { background: var(--surface-alt); color: var(--text); }
.site-nav a[aria-current="true"] { color: var(--accent-strong); }
.theme-toggle {
  width: 44px; height: 44px; flex: none;
  border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius-sm); cursor: pointer; color: var(--text);
  font-size: 18px; line-height: 1;
}
.theme-toggle:hover { background: var(--surface-alt); }

/* ====================================================================
   NEW HEADER (.hc-header) — sticky white bar with hairline rule and
   full-width drop-down panels. Used site-wide. The old .site-header
   styles above are kept only to avoid breaking pages that still
   reference those classes; nothing live uses them now.
   ==================================================================== */
.hc-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 2px solid #161616;        /* the thin solid line — now bolder */
}
[data-theme="dark"] .hc-header { background: #161616; border-bottom-color: #F4F4F4; }

.hc-header__row {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 56px;
  padding: 0 20px;
  max-width: 1400px;
  margin: 0 auto;
}
@media (max-width: 700px) {
  .hc-header__row { gap: 12px; padding: 0 12px; height: 52px; }
}

.hc-header__logo { display: inline-flex; align-items: center; flex: none; }
.hc-header__logo img {
  display: block; height: 32px; width: auto; max-width: 200px;
}
[data-theme="dark"] .hc-header__logo img { filter: invert(1); }

/* ---- Nav (the inline category buttons) ---------------------------- */
.hc-nav {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;          /* horizontal scroll on narrow screens */
  scrollbar-width: none;
}
.hc-nav::-webkit-scrollbar { display: none; }

.hc-nav__btn,
.hc-nav__link {
  background: transparent;
  border: 0;
  padding: 0 14px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 14px/1 var(--font);
  color: #161616;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border-radius: 0;
  position: relative;
  transition: background 80ms ease, color 80ms ease;
}
[data-theme="dark"] .hc-nav__btn,
[data-theme="dark"] .hc-nav__link { color: #F4F4F4; }

.hc-nav__btn:hover,
.hc-nav__link:hover { background: #F4F4F4; }
[data-theme="dark"] .hc-nav__btn:hover,
[data-theme="dark"] .hc-nav__link:hover { background: #262626; }

.hc-nav__btn.is-open {
  background: #F4F4F4;
}
.hc-nav__btn.is-open::after,
.hc-nav__link[aria-current="page"]::after,
.hc-nav__btn[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: -1px;                /* sits on the header's bottom rule */
  height: 2px;
  background: #0062FF;
}

.hc-nav__caret {
  font-size: 10px;
  color: #525252;
  transform: translateY(1px);
}
[data-theme="dark"] .hc-nav__caret { color: #C6C6C6; }
.hc-nav__btn.is-open .hc-nav__caret { color: #0062FF; transform: translateY(1px) rotate(180deg); }

@media (max-width: 700px) {
  .hc-nav__btn,
  .hc-nav__link { padding: 0 10px; font-size: 13.5px; height: 52px; }
}

/* ---- Actions (lang + theme) --------------------------------------- */
.hc-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
  margin-left: auto;
}
.hc-lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 13px/1 var(--font);
  color: #525252;
}
[data-theme="dark"] .hc-lang { color: #C6C6C6; }
.hc-lang a { color: inherit; text-decoration: none; padding: 4px; }
.hc-lang a[aria-current="true"] { color: #0062FF; font-weight: 600; }
.hc-lang a:hover { color: #0062FF; }

.hc-theme {
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid #E0E0E0;
  border-radius: 0;
  cursor: pointer;
  color: #161616;
  display: inline-flex; align-items: center; justify-content: center;
}
[data-theme="dark"] .hc-theme { color: #F4F4F4; border-color: #393939; }
.hc-theme:hover { background: #F4F4F4; }
[data-theme="dark"] .hc-theme:hover { background: #262626; }
.hc-theme .icon { width: 18px; height: 18px; }

/* ---- Mega-menu (full-width drop-down) ----------------------------- */
.hc-mega {
  position: absolute;
  left: 0; right: 0; top: 100%;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 2px solid #161616;
  box-shadow: none;
}
[data-theme="dark"] .hc-mega {
  background: #161616;
  border-bottom-color: #F4F4F4;
}
.hc-mega__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 20px 36px;
}
@media (max-width: 700px) {
  .hc-mega__inner { padding: 20px 12px 24px; }
}
.hc-mega__head { margin: 0 0 20px; }
.hc-mega__title {
  font: 600 22px/1.2 var(--font);
  letter-spacing: -0.01em;
  color: #161616;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
[data-theme="dark"] .hc-mega__title { color: #F4F4F4; }
.hc-mega__title:hover .hc-mega__title-arrow { transform: translateX(3px); }
.hc-mega__title-arrow {
  font-size: 18px;
  color: #0062FF;
  transition: transform 120ms ease;
}
.hc-mega__tagline {
  font: 400 14px/1.5 var(--font);
  color: #525252;
  margin: 6px 0 0;
}
[data-theme="dark"] .hc-mega__tagline { color: #C6C6C6; }

.hc-mega__tools {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .hc-mega__tools { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .hc-mega__tools { grid-template-columns: repeat(3, 1fr); }
}

.hc-mega__tool { margin: 0; }
.hc-mega__tool-link {
  display: block;
  background: #FFFFFF;
  border: 2px solid #161616;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: border-color 80ms ease, background 80ms ease;
}
[data-theme="dark"] .hc-mega__tool-link { background: #161616; border-color: #F4F4F4; }
.hc-mega__tool-link:hover { border-color: #0062FF; }
[data-theme="dark"] .hc-mega__tool-link:hover { border-color: #4589FF; }
.hc-mega__tool-link.is-soon { opacity: .55; cursor: default; }
.hc-mega__tool-link.is-soon:hover { border-color: #161616; }
[data-theme="dark"] .hc-mega__tool-link.is-soon:hover { border-color: #F4F4F4; }

.hc-mega__tool-name {
  display: block;
  font: 600 15px/1.3 var(--font);
  color: #161616;
  margin: 0 0 2px;
}
[data-theme="dark"] .hc-mega__tool-name { color: #F4F4F4; }
.hc-mega__tool-desc {
  display: block;
  font: 400 13px/1.5 var(--font);
  color: #525252;
}
[data-theme="dark"] .hc-mega__tool-desc { color: #C6C6C6; }
.hc-mega__soon {
  display: inline-block;
  margin-left: 6px;
  font-size: 10px;
  font-weight: 600;
  color: #525252;
  border: 1px solid #8D8D8D;
  padding: 1px 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: 2px;
}
[data-theme="dark"] .hc-mega__soon { color: #C6C6C6; border-color: #6F6F6F; }

/* ---- Multi-column mega menu (Trades sub-categories) -------------- */
.hc-mega__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 2px solid #161616;
}
[data-theme="dark"] .hc-mega__cols { border-color: #F4F4F4; }
@media (min-width: 600px) {
  .hc-mega__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .hc-mega__cols { grid-template-columns: repeat(4, 1fr); }
}

.hc-mega__col {
  padding: 20px;
  border-bottom: 2px solid #161616;
}
[data-theme="dark"] .hc-mega__col { border-bottom-color: #F4F4F4; }
.hc-mega__col:last-child { border-bottom: 0; }
@media (min-width: 600px) {
  .hc-mega__col { border-right: 2px solid #161616; border-bottom: 2px solid #161616; }
  [data-theme="dark"] .hc-mega__col { border-right-color: #F4F4F4; border-bottom-color: #F4F4F4; }
  .hc-mega__col:nth-child(2n) { border-right: 0; }
  .hc-mega__col:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (min-width: 900px) {
  .hc-mega__col { border-right: 2px solid #161616; border-bottom: 0; }
  [data-theme="dark"] .hc-mega__col { border-right-color: #F4F4F4; }
  .hc-mega__col:nth-child(2n) { border-right: 2px solid #161616; }
  [data-theme="dark"] .hc-mega__col:nth-child(2n) { border-right-color: #F4F4F4; }
  .hc-mega__col:last-child { border-right: 0; }
}

.hc-mega__col-h {
  font: 700 11px/1 var(--font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #161616;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #161616;
}
[data-theme="dark"] .hc-mega__col-h { color: #F4F4F4; border-bottom-color: #F4F4F4; }

.hc-mega__col-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hc-mega__col-link {
  display: block;
  padding: 6px 8px;
  margin: 0 -8px;
  text-decoration: none;
  color: #161616;
  font: 500 14px/1.4 var(--font);
  border: 2px solid transparent;
  transition: border-color 80ms ease, color 80ms ease;
}
[data-theme="dark"] .hc-mega__col-link { color: #F4F4F4; }
.hc-mega__col-link:hover {
  border-color: #0062FF;
  color: #0062FF;
}
[data-theme="dark"] .hc-mega__col-link:hover {
  border-color: #4589FF;
  color: #4589FF;
}
.hc-mega__col-link.is-soon { color: #8D8D8D; cursor: default; }
[data-theme="dark"] .hc-mega__col-link.is-soon { color: #6F6F6F; }
.hc-mega__col-link.is-soon:hover { border-color: transparent; color: #8D8D8D; }
[data-theme="dark"] .hc-mega__col-link.is-soon:hover { color: #6F6F6F; }

/* ---- Mega-menu foot ("Browse all tools" link) -------------------- */
.hc-mega__foot {
  margin: 28px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid #E0E0E0;
  font-size: 13px;
  text-align: right;
}
[data-theme="dark"] .hc-mega__foot { border-top-color: #393939; }
.hc-mega__foot-link {
  color: #0062FF;
  text-decoration: none;
  font-weight: 600;
}
.hc-mega__foot-link:hover { text-decoration: underline; }
[data-theme="dark"] .hc-mega__foot-link { color: #4589FF; }

/* ====================================================================
   BROWSE PAGE (.hc-browse) — left sidebar of filters + card grid.
   ==================================================================== */
.hc-browse {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 24px 0 0;
}
@media (min-width: 900px) {
  .hc-browse { grid-template-columns: 240px 1fr; gap: 40px; }
}

.hc-browse__side {
  border-bottom: 2px solid #161616;
  padding-bottom: 20px;
}
[data-theme="dark"] .hc-browse__side { border-bottom-color: #F4F4F4; }
@media (min-width: 900px) {
  .hc-browse__side {
    border-bottom: 0;
    border-right: 2px solid #161616;
    padding: 0 24px 0 0;
  }
  [data-theme="dark"] .hc-browse__side { border-right-color: #F4F4F4; }
}
.hc-browse__side-sticky {
  position: sticky;
  top: 72px;
}

.hc-browse__filter {
  margin: 0 0 20px;
  padding: 0 0 20px;
  border-bottom: 1px solid #161616;
}
[data-theme="dark"] .hc-browse__filter { border-bottom-color: #F4F4F4; }
.hc-browse__filter:last-of-type { border-bottom: 0; padding-bottom: 0; }

.hc-browse__lbl {
  display: block;
  font: 700 11px/1 var(--font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #161616;
  margin: 0 0 12px;
}
[data-theme="dark"] .hc-browse__lbl { color: #F4F4F4; }

.hc-browse__input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  background: #FFFFFF;
  color: #161616;
  border: 2px solid #161616;
  border-radius: 0;
  font: 500 14px/1.4 var(--font);
}
[data-theme="dark"] .hc-browse__input {
  background: #161616; color: #F4F4F4; border-color: #F4F4F4;
}
.hc-browse__input:focus {
  outline: none;
  border-color: #0062FF;
}
.hc-browse__input::placeholder { color: #8D8D8D; }

.hc-browse__chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.hc-browse__chip {
  background: #FFFFFF;
  border: 2px solid #161616;
  border-radius: 0;
  padding: 6px 12px;
  font: 500 13px/1.2 var(--font);
  color: #161616;
  cursor: pointer;
  transition: border-color 80ms ease, background 80ms ease, color 80ms ease;
}
[data-theme="dark"] .hc-browse__chip { background: #161616; color: #F4F4F4; border-color: #F4F4F4; }
.hc-browse__chip:hover { border-color: #0062FF; color: #0062FF; }
.hc-browse__chip.is-on {
  background: #161616;
  border-color: #161616;
  color: #FFFFFF;
}
[data-theme="dark"] .hc-browse__chip.is-on { background: #F4F4F4; border-color: #F4F4F4; color: #161616; }

.hc-browse__reset {
  display: inline-block;
  background: transparent;
  border: 0;
  padding: 0;
  margin-top: 4px;
  font: 500 13px/1 var(--font);
  color: #525252;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
[data-theme="dark"] .hc-browse__reset { color: #C6C6C6; }
.hc-browse__reset:hover { color: #0062FF; }

/* ---- Main: card grid --------------------------------------------- */
.hc-browse__main { min-width: 0; }
.hc-browse__count {
  font: 500 13px/1 var(--font);
  color: #525252;
  margin: 0 0 16px;
}
[data-theme="dark"] .hc-browse__count { color: #C6C6C6; }

.hc-browse__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 600px) {
  .hc-browse__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .hc-browse__grid { grid-template-columns: repeat(3, 1fr); }
}

.hc-browse__card {
  display: block;
  background: #FFFFFF;
  border: 2px solid #161616;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color 80ms ease;
  position: relative;
}
[data-theme="dark"] .hc-browse__card { background: #161616; border-color: #F4F4F4; }
.hc-browse__card:hover { border-color: #0062FF; }
.hc-browse__card:hover .hc-browse__card-name { color: #0062FF; }
[data-theme="dark"] .hc-browse__card:hover { border-color: #4589FF; }
[data-theme="dark"] .hc-browse__card:hover .hc-browse__card-name { color: #4589FF; }
.hc-browse__card.is-soon { opacity: 0.55; cursor: default; }
.hc-browse__card.is-soon:hover { border-color: #161616; }
.hc-browse__card.is-soon:hover .hc-browse__card-name { color: #161616; }
[data-theme="dark"] .hc-browse__card.is-soon:hover { border-color: #F4F4F4; }
[data-theme="dark"] .hc-browse__card.is-soon:hover .hc-browse__card-name { color: #F4F4F4; }

.hc-browse__card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0 0 8px;
  border-bottom: 1px solid #161616;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
[data-theme="dark"] .hc-browse__card-head { border-bottom-color: #F4F4F4; }
.hc-browse__card-cat { color: #161616; font-weight: 700; }
[data-theme="dark"] .hc-browse__card-cat { color: #F4F4F4; }
.hc-browse__card-st {
  font-weight: 700;
  padding: 2px 6px;
  border: 1.5px solid;
}
.hc-browse__card-st.is-live { color: #0062FF; border-color: #0062FF; }
[data-theme="dark"] .hc-browse__card-st.is-live { color: #4589FF; border-color: #4589FF; }
.hc-browse__card-st.is-soon { color: #8D8D8D; border-color: #8D8D8D; }
[data-theme="dark"] .hc-browse__card-st.is-soon { color: #6F6F6F; border-color: #6F6F6F; }

.hc-browse__card-name {
  display: block;
  font: 600 16px/1.3 var(--font);
  color: #161616;
  margin: 0 0 6px;
  transition: color 80ms ease;
}
[data-theme="dark"] .hc-browse__card-name { color: #F4F4F4; }
.hc-browse__card-desc {
  display: block;
  font: 400 13px/1.55 var(--font);
  color: #525252;
}
[data-theme="dark"] .hc-browse__card-desc { color: #C6C6C6; }

.hc-browse__empty {
  margin: 24px 0;
  padding: 32px;
  background: #FFFFFF;
  border: 2px solid #161616;
  text-align: center;
  color: #525252;
  font-size: 14px;
}
[data-theme="dark"] .hc-browse__empty { background: #161616; border-color: #F4F4F4; color: #C6C6C6; }

.hc-prose h2 {
  font: 600 18px/1.2 var(--font);
  margin: 24px 0 8px;
}
.hc-prose p {
  font: 400 15px/1.7 var(--font);
  color: #525252;
  margin: 0 0 12px;
}
[data-theme="dark"] .hc-prose p { color: #C6C6C6; }
.hc-prose a { color: #0062FF; }
.hc-prose a:hover { text-decoration: underline; }

/* Hide the legacy site-header so only one header renders. */
header.site-header { display: none; }

/* ====================================================================
   V3 PHARMA-LAB DESIGN — global tokens + class library
   Sky-blue accent on white, soft hairline borders, 0px corners,
   IBM Plex Mono numerals. Used by the homepage and any other page
   that adopts the .v3-* class family. The Trades section also uses
   the same tokens (scoped via [data-category="trades"] in trades.css)
   so the look is consistent everywhere.
   ==================================================================== */
:root {
  --v3-bg:            #FFFFFF;
  --v3-tint:          #F0F9FF;   /* sky-50 */
  --v3-border:        #E0F2FE;   /* sky-100 */
  --v3-border-mid:    #BAE6FD;   /* sky-200 */
  --v3-border-strong: #7DD3FC;   /* sky-300 */
  --v3-text:          #0F172A;   /* slate-900 */
  --v3-text-muted:    #475569;   /* slate-600 */
  --v3-text-subtle:   #94A3B8;   /* slate-400 */
  --v3-accent:        #0284C7;   /* sky-600 */
  --v3-accent-strong: #0369A1;   /* sky-700 */
  --v3-accent-soft:   #F0F9FF;   /* sky-50 */
  --v3-on-accent:     #FFFFFF;
  --v3-mono:          'IBM Plex Mono', ui-monospace, SFMono-Regular,
                      'Menlo', 'Consolas', monospace;
}

/* ---- Compact page head (used by v3 pages) ----------------------- */
.v3-head {
  padding: 18px 0 14px;
  margin: 0 0 16px;
  border-bottom: 1px solid var(--v3-border);
  text-align: center;
}
.v3-head h1 {
  font: 500 24px/1.2 var(--font);
  letter-spacing: -0.01em;
  color: var(--v3-text);
  margin: 0;
}
.v3-head__sub {
  font: 400 14px/1.4 var(--font);
  color: var(--v3-text-muted);
  margin: 4px 0 0;
}

/* ---- Section label chip (filled sky-blue) ----------------------- */
.v3-label {
  display: inline-block;
  background: var(--v3-accent);
  color: var(--v3-on-accent);
  font: 600 10px/1 var(--font);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 10px;
  margin: 0 0 12px;
}
.v3-label--ghost {
  background: transparent;
  color: var(--v3-accent);
  border: 1px solid var(--v3-accent);
}

/* ---- Panel: hairline-bordered white card ------------------------ */
.v3-panel {
  background: var(--v3-bg);
  border: 1px solid var(--v3-border);
  border-radius: 0;
  padding: 16px 18px;
}
.v3-panel--tint { background: var(--v3-tint); }

/* ---- Buttons --------------------------------------------------- */
.v3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--v3-bg);
  border: 1px solid var(--v3-accent);
  color: var(--v3-accent);
  height: 36px;
  padding: 0 14px;
  font: 600 12px/1 var(--font);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border-radius: 0;
  transition: background 80ms ease, color 80ms ease;
}
.v3-btn:hover { background: var(--v3-accent); color: var(--v3-on-accent); }
.v3-btn--primary { background: var(--v3-accent); color: var(--v3-on-accent); }
.v3-btn--primary:hover { background: var(--v3-accent-strong); border-color: var(--v3-accent-strong); }

/* ====================================================================
   V3 HOMEPAGE HERO — converter is the hero, compact
   ==================================================================== */
.v3-hero {
  background: var(--v3-bg);
  border-bottom: 1px solid var(--v3-border);
  padding: 18px 20px 22px;
  margin: 0 0 16px;
}
.v3-hero__inner { max-width: 1100px; margin: 0 auto; }
.v3-hero h1 {
  font: 500 22px/1.2 var(--font);
  letter-spacing: -0.01em;
  color: var(--v3-text);
  margin: 0 0 4px;
  text-align: center;
}
.v3-hero__sub {
  font: 400 13px/1.4 var(--font);
  color: var(--v3-text-muted);
  margin: 0 0 16px;
  text-align: center;
}

/* ====================================================================
   V3 UNIT CONVERTER — pharma-lab restyling of the existing widget
   The Alpine.js logic stays; only the CSS chrome changes.
   ==================================================================== */
.v3-conv {
  background: var(--v3-bg);
  border: 1px solid var(--v3-border);
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  /* Left (inputs) gets more room than the results panel — the inputs
     hold tabs + chips + a wide input row, and were feeling cramped
     when the right side was 1.4fr. */
  .v3-conv { grid-template-columns: minmax(420px, 1.5fr) minmax(280px, 1fr); }
}
.v3-conv__inputs {
  padding: 16px 18px;
  border-bottom: 1px solid var(--v3-border);
}
@media (min-width: 760px) {
  .v3-conv__inputs { border-bottom: 0; border-right: 1px solid var(--v3-border); }
}
.v3-conv__output { background: var(--v3-tint); padding: 16px 18px; }

/* Sector tabs row */
.v3-conv__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--v3-border-mid);
  border-radius: 0;
  margin: 0 0 12px;
}
.v3-conv__tab {
  appearance: none;
  background: var(--v3-bg);
  border: 0;
  border-radius: 0;
  border-right: 1px solid var(--v3-border-mid);
  height: 34px;
  padding: 0 12px;
  font: 600 11px/1 var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--v3-text-muted);
  cursor: pointer;
  flex: 1 1 0;
  min-width: 0;
}
.v3-conv__tab:last-child { border-right: 0; }
.v3-conv__tab[aria-selected="true"] {
  background: var(--v3-accent);
  color: var(--v3-on-accent);
}

/* Category chip row — equal-width, fills the full row width to align
   with the tabs and input row above/below it. */
.v3-conv__chips {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--v3-border-mid);
  margin: 0 0 12px;
}
.v3-conv__chips .v3-chip {
  border: 0;
  border-right: 1px solid var(--v3-border-mid);
  height: 34px;
  padding: 0 8px;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.v3-conv__chips .v3-chip:last-child { border-right: 0; }
/* On narrower screens the chips may not all fit; wrap them. */
@media (max-width: 540px) {
  .v3-conv__chips {
    grid-auto-flow: row;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  }
  .v3-conv__chips .v3-chip {
    border-right: 1px solid var(--v3-border-mid);
    border-bottom: 1px solid var(--v3-border-mid);
  }
}
.v3-chip {
  appearance: none;
  -webkit-appearance: none;
  background: var(--v3-bg);
  border: 1px solid var(--v3-border-mid);
  color: var(--v3-text-muted);
  font: 500 12px/1 var(--font);
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 0 !important;   /* override any browser default */
  transition: border-color 80ms ease, color 80ms ease;
}
.v3-chip:hover { border-color: var(--v3-accent); color: var(--v3-accent); }
.v3-chip[aria-pressed="true"] {
  background: var(--v3-accent);
  border-color: var(--v3-accent);
  color: var(--v3-on-accent);
}

/* Value + unit input row */
.v3-conv__input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0;
  border: 1px solid var(--v3-border-strong);
  border-radius: 0;
  margin: 0 0 4px;
  overflow: hidden;   /* clip any browser-default child rounding */
}
.v3-conv__value {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: textfield;
  border: 0;
  border-radius: 0;
  background: var(--v3-bg);
  padding: 0 12px;
  height: 44px;
  font: 600 18px/1 var(--v3-mono);
  font-variant-numeric: tabular-nums;
  color: var(--v3-text);
  border-right: 1px solid var(--v3-border-mid);
  box-shadow: none;
}
.v3-conv__value:focus { outline: none; box-shadow: none; }
/* Strip Safari/Chrome number-input arrows so the field stays clean. */
.v3-conv__value::-webkit-outer-spin-button,
.v3-conv__value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.v3-conv__unit {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: 0;
  border-radius: 0;
  background-color: var(--v3-bg);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2.5 4.5L6 8l3.5-3.5' fill='none' stroke='%230284C7' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 12px 12px;
  padding: 0 36px 0 12px;
  height: 44px;
  font: 500 14px/1 var(--font);
  color: var(--v3-text);
  cursor: pointer;
  min-width: 110px;
  box-shadow: none;
}
.v3-conv__value:focus,
.v3-conv__unit:focus { outline: none; }
.v3-conv__unit:hover { background-color: var(--v3-accent-soft); }

.v3-conv__hint {
  font: 400 11px/1.4 var(--font);
  color: var(--v3-text-subtle);
  margin: 4px 0 0;
}

/* Results list — readout-style, monospace */
.v3-conv__results {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--v3-bg);
  border: 1px solid var(--v3-border-mid);
  border-radius: 0;
}
.v3-conv__results li {
  border-bottom: 1px solid var(--v3-border-mid);   /* visible row divider */
}
.v3-conv__results li:last-child { border-bottom: 0; }
.v3-conv__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: transparent;
  border: 0;
  border-radius: 0;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}
.v3-conv__row:hover { background: var(--v3-accent-soft); }
.v3-conv__runit {
  font: 600 11px/1 var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--v3-text-muted);
  flex: 0 0 auto;
}
.v3-conv__rnum {
  font: 500 18px/1.2 var(--v3-mono);
  font-variant-numeric: tabular-nums;
  color: var(--v3-text);
  flex: 1 1 auto;
  text-align: right;
}

/* System (US / Imperial / Metric) chip row */
.v3-conv__system {
  display: flex;
  gap: 4px;
  margin: 0 0 12px;
}

/* ====================================================================
   V3 CATEGORY STRIP — small cards in a row
   ==================================================================== */
.v3-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 16px 0 0;
}
@media (min-width: 600px) {
  .v3-cats { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .v3-cats { grid-template-columns: repeat(4, 1fr); }
}
.v3-cat {
  display: block;
  background: var(--v3-bg);
  border: 1px solid var(--v3-border);
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 80ms ease;
  border-radius: 0;
}
.v3-cat:hover { border-color: var(--v3-accent); }
.v3-cat:hover .v3-cat__name { color: var(--v3-accent); }
.v3-cat__kicker {
  display: block;
  font: 600 9.5px/1 var(--font);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--v3-text-subtle);
  margin: 0 0 6px;
}
.v3-cat__name {
  display: block;
  font: 600 14.5px/1.2 var(--font);
  color: var(--v3-text);
  margin: 0 0 3px;
  transition: color 80ms ease;
}
.v3-cat__desc {
  display: block;
  font: 400 12px/1.45 var(--font);
  color: var(--v3-text-muted);
}

/* ====================================================================
   HERO QUIZ (.hc-hero / .hc-stage / .hc-step / .hc-choice)
   Modern research-lab feel: airy, white-with-faint-blue-gradient,
   calm typography, sharp corners. A cube-flip transition reveals
   step 2 below step 1.
   ==================================================================== */
.hc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(140% 80% at 50% 0%,
      rgba(0, 98, 255, 0.06) 0%,
      rgba(0, 98, 255, 0.02) 35%,
      rgba(255, 255, 255, 0) 70%),
    linear-gradient(180deg, #F6FAFF 0%, #FFFFFF 65%);
  border-bottom: 1px solid #E0E0E0;
  padding: 56px 20px 72px;
}
[data-theme="dark"] .hc-hero {
  background:
    radial-gradient(140% 80% at 50% 0%,
      rgba(69, 137, 255, 0.10) 0%,
      rgba(69, 137, 255, 0.04) 35%,
      rgba(22, 22, 22, 0) 70%),
    linear-gradient(180deg, #1B1F2A 0%, #161616 65%);
  border-bottom-color: #393939;
}
@media (max-width: 700px) {
  .hc-hero { padding: 36px 16px 52px; }
}

/* Faint blueprint-grid wash sitting behind everything. */
.hc-hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(to right, rgba(0, 98, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 98, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.7) 0%, rgba(0,0,0,0) 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.7) 0%, rgba(0,0,0,0) 75%);
  pointer-events: none;
}
[data-theme="dark"] .hc-hero__bg {
  background-image:
    linear-gradient(to right, rgba(69, 137, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(69, 137, 255, 0.06) 1px, transparent 1px);
}

.hc-hero__inner {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

/* ---- Step indicator (top-right of hero) -------------------------- */
.hc-hero__rail {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: 0 0 20px;
  min-height: 18px;
}
.hc-hero__step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 11px/1 var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #525252;
}
[data-theme="dark"] .hc-hero__step { color: #C6C6C6; }
.hc-hero__step-dot {
  width: 8px; height: 8px;
  border: 1px solid #B0BEC5;
  background: transparent;
  border-radius: 0;
  transition: background 150ms ease, border-color 150ms ease;
}
.hc-hero__step-dot.is-active {
  background: #0062FF;
  border-color: #0062FF;
}
[data-theme="dark"] .hc-hero__step-dot.is-active {
  background: #4589FF;
  border-color: #4589FF;
}
.hc-hero__step-text { padding-left: 4px; }

/* ---- H1 (smaller, calm) ------------------------------------------ */
.hc-hero__h1 {
  font: 400 26px/1.2 var(--font);
  letter-spacing: -0.01em;
  color: #161616;
  margin: 0 0 10px;
}
[data-theme="dark"] .hc-hero__h1 { color: #F4F4F4; }
@media (max-width: 700px) {
  .hc-hero__h1 { font-size: 22px; }
}

.hc-hero__sub {
  font: 400 14px/1.5 var(--font);
  color: #525252;
  margin: 0 0 28px;
}
[data-theme="dark"] .hc-hero__sub { color: #C6C6C6; }

/* ---- Stage: 3D context for cube-flip ----------------------------- */
.hc-stage {
  position: relative;
  perspective: 1400px;
  min-height: 360px;
}
@media (min-width: 700px) {
  .hc-stage { min-height: 320px; }
}
.hc-step {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  will-change: transform, opacity;
}
.hc-step--mounted { position: relative; inset: auto; }

/* Enter: rise up from below, rotating from a forward tilt to flat */
.hc-flip-enter {
  transition: transform 460ms cubic-bezier(.2,.85,.3,1), opacity 320ms ease;
}
.hc-flip-enter-from {
  transform: perspective(1400px) rotateX(-55deg) translateY(40px);
  transform-origin: top center;
  opacity: 0;
}
.hc-flip-enter-to {
  transform: perspective(1400px) rotateX(0) translateY(0);
  opacity: 1;
}
/* Leave: rotate up and away — top edge stays, bottom tips forward */
.hc-flip-leave {
  transition: transform 380ms cubic-bezier(.4,.1,.6,1), opacity 240ms ease;
}
.hc-flip-leave-from {
  transform: perspective(1400px) rotateX(0) translateY(0);
  opacity: 1;
}
.hc-flip-leave-to {
  transform: perspective(1400px) rotateX(55deg) translateY(-40px);
  transform-origin: bottom center;
  opacity: 0;
}
@media (prefers-reduced-motion: reduce) {
  .hc-flip-enter, .hc-flip-leave { transition-duration: 1ms !important; }
  .hc-flip-enter-from, .hc-flip-leave-to { transform: none !important; }
}

/* ---- Quiz grids -------------------------------------------------- */
.hc-quiz__pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 720px;
  margin: 0 auto;
}
@media (min-width: 600px) {
  .hc-quiz__pair { grid-template-columns: 1fr 1fr; gap: 18px; }
}

.hc-quiz__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto;
}
@media (min-width: 600px) {
  .hc-quiz__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}
.hc-choice--span { grid-column: 1 / -1; }

/* ---- Choice card ------------------------------------------------- */
.hc-choice {
  background: #FFFFFF;
  border: 2px solid #161616;
  border-radius: 0;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  font: 500 16px/1.3 var(--font);
  transition: border-color 100ms ease, color 100ms ease;
  position: relative;
}
[data-theme="dark"] .hc-choice {
  background: #161616;
  border-color: #F4F4F4;
}
.hc-choice:hover {
  border-color: #0062FF;
}
.hc-choice:hover .hc-choice__label { color: #0062FF; }
[data-theme="dark"] .hc-choice:hover { border-color: #4589FF; }
[data-theme="dark"] .hc-choice:hover .hc-choice__label { color: #4589FF; }
.hc-choice:focus-visible {
  outline: 2px solid #0062FF;
  outline-offset: 4px;
}

.hc-choice--lg {
  min-height: 180px;
  padding: 36px 28px;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #FFFFFF;
}
[data-theme="dark"] .hc-choice--lg { background: #161616; }
/* Decorative corner brackets in blue for the big Convert/Calculate cards */
.hc-choice--lg::before,
.hc-choice--lg::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid #0062FF;
  opacity: 0;
  transition: opacity 120ms ease;
}
.hc-choice--lg::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.hc-choice--lg::after  { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }
.hc-choice--lg:hover::before,
.hc-choice--lg:hover::after { opacity: 1; }
@media (min-width: 600px) {
  .hc-choice--lg { min-height: 220px; }
}

.hc-choice__label {
  display: block;
  font: 500 28px/1.1 var(--font);
  color: #161616;
  letter-spacing: -0.01em;
}
[data-theme="dark"] .hc-choice__label { color: #F4F4F4; }
.hc-choice--lg .hc-choice__label { font-weight: 500; }
.hc-choice__desc {
  display: block;
  font: 400 13.5px/1.5 var(--font);
  color: #525252;
  max-width: 28ch;
}
[data-theme="dark"] .hc-choice__desc { color: #C6C6C6; }

/* ---- Foot row (Previous bottom-left) ----------------------------- */
.hc-hero__foot {
  margin: 24px auto 0;
  max-width: 720px;
  text-align: left;
}
.hc-quiz__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  font: 500 13px/1 var(--font);
  color: #525252;
  cursor: pointer;
  padding: 8px 12px;
  text-decoration: none;
  transition: color 120ms ease, background 120ms ease;
}
[data-theme="dark"] .hc-quiz__back { color: #C6C6C6; }
.hc-quiz__back:hover {
  color: #0062FF;
  background: rgba(0, 98, 255, 0.06);
}

.hc-quiz__skip {
  display: inline-block;
  margin: 28px auto 0;
  background: transparent;
  border: 0;
  font: 500 13px/1 var(--font);
  color: #525252;
  cursor: pointer;
  padding: 8px 12px;
  text-decoration: none;
}
[data-theme="dark"] .hc-quiz__skip { color: #C6C6C6; }
.hc-quiz__skip:hover { color: #0062FF; }

/* ---- Breadcrumb --------------------------------------------------- */
.breadcrumb { background: var(--bg); font-size: 13.5px; }
.breadcrumb ol {
  list-style: none; display: flex; flex-wrap: wrap; gap: 4px;
  margin: 0; padding: 12px 0 0;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb [aria-current="page"] { color: var(--text); font-weight: 500; }
.breadcrumb__sep { color: var(--border-strong); margin-left: 4px; }

/* ---- Page layout -------------------------------------------------- */
main { display: block; padding: 24px 0 40px; flex: 1 0 auto; }
.page-head { margin: 16px 0 24px; }
.page-head .subhead { color: var(--text-muted); font-size: 17px; margin: 0; }
/* Homepage lede heading — a modest H1, not a hero banner. */
.home-h1 { font-size: 22px; margin-bottom: 6px; }

section { margin: 32px 0; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

/* ---- Split calculator: sticky result panel beside the inputs ----- */
.calc-split {
  display: grid;
  grid-template-columns: minmax(275px, 352px) 1fr;
  gap: 24px;
  align-items: start;
}
/* Sticky lives on the grid item (not its child) so the grid container is
   its containing block — that gives it room to travel as the taller inputs
   column scrolls, which is what makes the panel "float" alongside. */
.calc-split__result {
  order: 1; min-width: 0;
  position: sticky; top: 16px; align-self: start;
}
.calc-split__inputs { order: 2; min-width: 0; }
.result-sticky {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.result-sticky .result { margin-top: 0; }
.result-sticky .result__hero { font-size: 40px; }
.result-sticky .stat-grid { grid-template-columns: 1fr 1fr; }
.result-sticky .actions { margin-top: 14px; }
/* Stack on phones/tablets: inputs first, then the result, no stickiness. */
@media (max-width: 760px) {
  .calc-split { grid-template-columns: 1fr; gap: 18px; }
  .calc-split__result { order: 2; position: static; }
  .calc-split__inputs { order: 1; }
}
/* The sticky side panel shows the live total on desktop, so the fixed
   mobile mini-bar is only needed on the stacked (mobile) layout. */
@media (min-width: 761px) { .calc-split ~ .sticky-bar { display: none !important; } }
/* The mortgage summary is denser (long dollar figures + balance-curve
   diagram), so its sidebar gets extra width. Desktop only — mobile stacks. */
@media (min-width: 761px) {
  [data-category="finance"] .calc-split { grid-template-columns: minmax(320px, 440px) 1fr; }
}

/* Result panel head — direction label beside a gallons/litres toggle. */
.result__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.unit-toggle { margin: 0; flex: none; }
.unit-toggle .chip { padding: 4px 10px; min-height: 28px; font-size: 13px; }

/* Stepped result breakdown — readable rows instead of one run-on line. */
.calc-breakdown {
  margin: 16px 0 0; padding: 10px 14px;
  background: var(--surface-alt); border-radius: var(--radius-sm);
  font-size: 13.5px;
}
.calc-breakdown .cb-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 6px 0; border-bottom: 1px solid var(--border);
}
.calc-breakdown .cb-row:last-child { border-bottom: none; }
.calc-breakdown dt { color: var(--text-muted); }
.calc-breakdown dd { margin: 0; font-weight: 600; white-space: nowrap; }
.calc-breakdown .cb-row--total dt,
.calc-breakdown .cb-row--total dd { color: var(--text); font-weight: 700; }
.calc-breakdown .cb-row--result dd { color: var(--accent-strong); }
.calc-breakdown .cb-row--result .ok { color: var(--ok); }

/* ---- Homepage / category card grids ------------------------------ */
.category-grid, .tool-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.category-card, .tool-card {
  position: relative;
  text-decoration: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius); padding: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,.05), 0 6px 16px rgba(0,0,0,.07);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
/* Clickable cards lift toward the cursor — a clear "open me" cue. */
a.category-card:hover, a.tool-card:hover,
a.category-card:focus-visible, a.tool-card:focus-visible {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 4px 10px rgba(0,0,0,.08), 0 18px 38px rgba(0,0,0,.13);
}
a.category-card:hover .category-card__title,
a.tool-card:hover .tool-card__title { color: var(--accent-strong); }
/* Always-visible arrow affordance (also works on touch — no hover). */
a.category-card::after, a.tool-card::after {
  content: "→";
  position: absolute; top: 14px; right: 16px;
  font-size: 17px; font-weight: 700; line-height: 1;
  color: var(--accent-strong); opacity: .5;
  transition: transform .16s ease, opacity .16s ease;
}
a.category-card:hover::after, a.tool-card:hover::after {
  opacity: 1; transform: translateX(4px);
}
/* Tool card: graphic on the left, text on the right. */
.tool-card { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.tool-card__body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.tool-card__title { font-weight: 600; font-size: 16px; }
.tool-card__desc  { color: var(--text-muted); font-size: 14px; }
.tool-card .card-icon .icon { width: 200px; height: auto; max-width: 100%; }
.tool-card[aria-disabled] .card-icon { color: var(--text-muted); }

/* Category card: graphic on the left, text on the right. */
.category-card { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.category-card__body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.category-card__title { font-size: 20px; font-weight: 600; }
.category-card__desc  { color: var(--text-muted); font-size: 14.5px; }
/* Homepage tool finder — heading + opt-in toggle, then interest chips. */
.cat-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap; margin-bottom: 16px;
}
.cat-head h2 { margin: 0; }
.finder-intro { color: var(--text-muted); margin: 0 0 10px; }
.finder-chips { margin-bottom: 18px; }

/* ---- Form controls ------------------------------------------------ */
.field { margin-bottom: 20px; }
.field:last-child { margin-bottom: 0; }
.field > label, .field-label {
  display: block; font-weight: 600; font-size: 15px; margin-bottom: 8px;
}
.field-label .tooltip { font-weight: 400; }

input[type="number"], input[type="text"], select {
  width: 100%; max-width: 480px; height: 48px;
  padding: 0 12px;
  font: inherit; font-size: 16px;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}
input:focus-visible, select:focus-visible { border-color: var(--accent); }

/* Currency-prefixed input — a "$" sits inside the left of the field. */
.prefix-input { position: relative; max-width: 480px; }
.prefix-input__sym {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 16px; color: var(--text-muted); pointer-events: none;
}
.prefix-input input[type="number"] { padding-left: 26px; }

/* Recipe Scaler — one editable row per ingredient. */
.ingredient-row {
  display: flex; gap: 8px; align-items: center;
  flex-wrap: wrap; margin-bottom: 8px;
}
.ingredient-row input { height: 44px; }
.ingredient-row .ing-amt  { width: 88px; }
.ingredient-row .ing-unit { width: 108px; }
.ingredient-row .ing-name { flex: 1 1 160px; min-width: 140px; }
.ingredient-row__scaled {
  min-width: 96px; font-weight: 700;
  font-variant-numeric: tabular-nums; color: var(--accent-strong);
}
.ingredient-row__rm {
  width: 38px; height: 38px; flex: none;
  border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--text-muted); border-radius: var(--radius-sm);
  font-size: 18px; line-height: 1; cursor: pointer;
}
.ingredient-row__rm:hover { border-color: var(--accent); color: var(--text); }

/* Pan Substitution — a labelled dimension input. */
.pan-dim { display: flex; flex-direction: column; }
.pan-dim .field-label { margin-bottom: 6px; }
.pan-dim input[type="number"] { max-width: 170px; }

/* Collapsible "Advanced options" — progressive disclosure inside a form. */
.advanced { border-top: 1px solid var(--border-strong); margin: 0 0 20px; }
.advanced__summary {
  cursor: pointer; list-style: none;
  font-weight: 600; font-size: 15px; color: var(--accent-strong);
  padding: 14px 0 2px; display: flex; align-items: center; gap: 8px;
}
.advanced__summary::-webkit-details-marker { display: none; }
.advanced__summary::before {
  content: "+"; display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border: 1.5px solid currentColor; border-radius: 50%;
  font-size: 14px; line-height: 1;
}
.advanced[open] .advanced__summary::before { content: "\2212"; }
.advanced__body { padding-top: 14px; }
.advanced__body .field:last-child { margin-bottom: 0; }

.result__allin { margin-top: 8px; font-size: 15px; }
.result__allin strong { color: var(--accent-strong); font-size: 17px; margin-left: 4px; }

/* Mortgage comparison — three side-by-side scenario columns. */
.cmp-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 760px) { .cmp-grid { grid-template-columns: 1fr; } }
.cmp-col, .cmp-card {
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 14px; background: var(--surface);
}
.cmp-col__field { margin-bottom: 10px; }
.cmp-col__field:last-child { margin-bottom: 0; }
.cmp-col__field label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-muted); margin-bottom: 4px;
}
.cmp-card { position: relative; }
.cmp-card--best { border-color: var(--accent); border-width: 2px; background: var(--accent-soft); }
.cmp-card__name { font-weight: 700; font-size: 16px; }
.cmp-card__meta { font-size: 12.5px; color: var(--text-muted); margin: 2px 0 10px; }
.cmp-card__pay { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.cmp-card__pay-sub { font-size: 12.5px; color: var(--text-muted); margin-bottom: 6px; }
.cmp-row {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 5px 0; font-size: 14px; border-top: 1px solid var(--border);
}
.cmp-row__k { color: var(--text-muted); }
.cmp-row__v { font-variant-numeric: tabular-nums; font-weight: 600; }
.cmp-badge {
  display: inline-block; margin-bottom: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--on-accent); background: var(--accent);
  padding: 3px 9px; border-radius: 999px;
}
.cmp-legend {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
  margin-top: 10px; font-size: 13px;
}
.cmp-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cmp-legend svg { display: block; }

/* Step-by-step calculator mode — one field at a time, opt-in. */
.step-mode-toggle { margin-bottom: 18px; justify-content: center; }
.step-progress { margin-bottom: 18px; }
.step-progress__label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.step-bar {
  margin-top: 6px; height: 6px; border-radius: 999px;
  background: var(--accent-soft); overflow: hidden;
}
.step-bar__fill { height: 100%; background: var(--accent); transition: width .2s ease; }
.step-nav { display: flex; gap: 10px; margin-top: 18px; }
.step-nav .btn { min-width: 116px; justify-content: center; }
/* Advanced disclosure rendered as a <button> (step-mode-capable pages). */
button.advanced__summary {
  width: 100%; text-align: left;
  background: none; border: 0; font-family: inherit;
}
.advanced__summary[aria-expanded="true"]::before { content: "\2212"; }

/* Option-card grids flow to fit any width — no fixed column counts. */
.option-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.option-card {
  display: flex; flex-direction: column; gap: 2px;
  text-align: left; cursor: pointer;
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px;
  font: inherit; color: var(--text);
}
.option-card:hover { border-color: var(--accent); }
.option-card[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.option-card__title { font-weight: 600; font-size: 15px; }
.option-card__note  { font-size: 12.5px; color: var(--text-muted); }
.option-card svg { margin-top: 6px; }

.stepper { display: flex; align-items: center; gap: 8px; }
.stepper button {
  width: 48px; height: 48px; flex: none;
  font-size: 24px; line-height: 1;
  border: 1.5px solid var(--border-strong); background: var(--surface);
  color: var(--text); border-radius: var(--radius-sm); cursor: pointer;
}
.stepper button:hover:not(:disabled) { border-color: var(--accent); }
.stepper button:disabled { opacity: .4; cursor: not-allowed; }
.stepper input { text-align: center; max-width: 90px; font-weight: 600; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  font: inherit; font-size: 14px;
  padding: 6px 12px; min-height: 32px;
  border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--text); border-radius: 999px; cursor: pointer;
}
.chip:hover { border-color: var(--accent); background: var(--accent-soft); }
.chip[aria-pressed="true"] {
  border-color: var(--accent); background: var(--accent); color: var(--on-accent);
}
/* Touch devices get larger tap targets for chips (platform guidelines ~44px);
   pointer/mouse devices keep the compact size. */
@media (pointer: coarse) {
  .chip { min-height: 44px; }
  .unit-toggle .chip { min-height: 38px; }
}

.inline-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.help-text { font-size: 13px; color: var(--text-muted); margin: 6px 0 0; }
.warn-text { font-size: 14px; color: var(--accent-strong); font-weight: 500; }

/* ---- Result display ---------------------------------------------- */
.result { margin-top: 8px; }
.result__layout + .result__layout {
  margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border);
}
.result__dir-label {
  font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; color: var(--text-muted); margin-bottom: 4px;
}
.result__hero {
  font-size: 44px; font-weight: 600; line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.result__hero .x { color: var(--text-muted); font-size: .7em; padding: 0 .12em; }
.result__mm { font-size: 17px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.result__decimal { font-size: 14px; color: var(--text-muted); }

.verify {
  margin-top: 14px; padding: 12px 14px;
  background: var(--surface-alt); border-radius: var(--radius-sm);
  font-size: 14px; font-variant-numeric: tabular-nums;
}
.verify .ok { color: var(--ok); font-weight: 700; }

/* ---- Stat grid (multi-output results) ---------------------------- */
.stat-grid {
  display: grid; gap: 10px; margin-top: 16px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.stat {
  background: var(--surface-alt); border-radius: var(--radius-sm); padding: 12px 14px;
}
.stat__label {
  font-size: 12px; color: var(--text-muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .03em;
}
.stat__value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat__sub { font-size: 12.5px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* ---- Code-check list --------------------------------------------- */
.checks { margin-top: 16px; }
.check {
  display: flex; gap: 8px; align-items: flex-start;
  padding: 9px 0; font-size: 14px; border-bottom: 1px solid var(--border);
}
.check:last-child { border-bottom: none; }
.check__icon { font-weight: 700; flex: none; line-height: 1.5; }
.check--ok   .check__icon { color: var(--ok); }
.check--warn .check__icon { color: var(--accent-strong); }

/* ---- SVG cut diagram --------------------------------------------- */
.diagram { margin-top: 16px; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram figcaption { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* ---- Result action buttons --------------------------------------- */
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: var(--radius-sm); border: 1.5px solid var(--border-strong);
  background: var(--surface); color: var(--text);
  min-height: 44px; padding: 0 16px;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { border-color: var(--accent); }
.btn--primary {
  background: var(--accent); color: var(--on-accent);
  border-color: var(--accent); min-height: 48px;
}
.btn--primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

/* ---- Toast -------------------------------------------------------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 500; z-index: 80;
  box-shadow: var(--shadow);
}

/* ---- Tooltip ------------------------------------------------------ */
.tooltip { position: relative; display: inline-block; }
.tooltip-trigger {
  border: none; background: none; cursor: pointer; padding: 2px;
  color: var(--accent-strong); font-size: 15px; line-height: 1;
}
.tooltip-card {
  position: absolute; left: 0; top: calc(100% + 6px); z-index: 30;
  width: 250px; max-width: 78vw;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 10px 12px; font-size: 13.5px; line-height: 1.5;
  font-weight: 400; box-shadow: var(--shadow);
}

/* ---- Scenario & FAQ ---------------------------------------------- */
.scenario-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.scenario {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px;
  text-decoration: none; color: var(--text);
}
.scenario:hover { border-color: var(--accent); }
.scenario__label { font-weight: 500; font-size: 14.5px; }
.scenario__value { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

.faq details {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); margin-bottom: 8px; padding: 0 14px;
}
.faq summary {
  cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--accent-strong); font-size: 20px; }
.faq details[open] summary::after { content: '\2212'; }
.faq details[open] summary { border-bottom: 1px solid var(--border); }
.faq details p { padding: 12px 0; margin: 0; }

dl.glossary dt { font-weight: 600; }
dl.glossary dd { margin: 4px 0 14px; color: var(--text-muted); }

/* ---- Related tools ----------------------------------------------- */
.related-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.related-card {
  display: block; text-decoration: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
}
.related-card:hover { border-color: var(--accent); }
.related-card__title { font-weight: 600; }
.soon {
  display: inline-block;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  background: var(--surface-alt); color: var(--text-muted);
  padding: 2px 6px; border-radius: 4px; margin-left: 6px; letter-spacing: .03em;
  vertical-align: middle;
}
.related-card__desc { font-size: 13.5px; color: var(--text-muted); margin: 2px 0 0; }

/* ---- Ad slots (reserve space to avoid layout shift) -------------- */
.ad-slot {
  display: flex; align-items: center; justify-content: center;
  margin: 28px 0; background: var(--surface-alt);
  border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 12px;
}
.ad-slot-top, .ad-slot-mid, .ad-slot-bottom { min-height: 100px; }
/* Live AdSense banner — space reserved up front to avoid layout shift. */
.ad-leaderboard { min-height: 100px; margin: 0 0 18px; text-align: center; }
.ad-leaderboard ins { display: block; }

/* ---- Language switcher ------------------------------------------- */
.lang-switch { display: flex; gap: 2px; flex: none; }
.lang-switch a {
  font-size: 13px; font-weight: 600; text-decoration: none;
  color: var(--text-muted); padding: 6px 8px; border-radius: var(--radius-sm);
  text-transform: uppercase; letter-spacing: .03em;
}
.lang-switch a:hover { background: var(--surface-alt); color: var(--text); }
.lang-switch a[aria-current="true"] { color: var(--accent-strong); }

/* ---- Cookie consent banner (Law 25) ------------------------------ */
.hc-consent {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  background: var(--surface); border-top: 2px solid var(--accent);
  box-shadow: 0 -4px 24px rgba(0,0,0,.18);
}
.hc-consent__inner {
  width: 100%; max-width: 880px; margin: 0 auto;
  padding: 18px 18px calc(18px + env(safe-area-inset-bottom));
}
.hc-consent__intro h2 { font-size: 18px; margin: 0 0 6px; }
.hc-consent__intro p  { font-size: 14px; margin: 0 0 14px; }
.hc-consent__panel { margin: 4px 0 14px; }
.hc-consent__cat {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 12px; margin-bottom: 8px;
}
.hc-consent__cat-head {
  display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14.5px;
}
.hc-consent__cat-head input { width: auto; height: auto; }
.hc-consent__cat-head .always {
  margin-left: auto; font-size: 12px; font-weight: 600; color: var(--ok);
  text-transform: uppercase; letter-spacing: .03em;
}
.hc-consent__cat p { font-size: 13px; color: var(--text-muted); margin: 6px 0 0; }
.hc-consent__actions {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.hc-consent__btn {
  font: inherit; font-weight: 600; cursor: pointer; flex: 1 1 auto;
  min-height: 46px; padding: 0 16px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--accent); background: var(--surface); color: var(--text);
}
.hc-consent__btn:hover { background: var(--accent-soft); }
/* Accept and Refuse get equal visual weight — Law 25 requires refusing
   to be as easy and prominent as accepting. */
.hc-consent__btn--solid {
  background: var(--accent); color: var(--on-accent); border-color: var(--accent);
}
.hc-consent__btn--solid:hover { background: var(--accent-strong); }
.hc-consent__btn--ghost {
  border-color: var(--border-strong); color: var(--text-muted); flex: 0 1 auto;
}
.hc-consent__btn--ghost:hover { background: var(--surface-alt); }
@media (min-width: 560px) {
  .hc-consent__btn { flex: 0 1 auto; }
}
@media print { .hc-consent { display: none !important; } }

/* ---- Homepage unit converter ------------------------------------- */
.uconv__title { font-size: 18px; margin-bottom: 14px; }
/* Sector switcher — a segmented control: a tray holding the 5 sectors,
   the active one a raised pill so it clearly reads as a control. */
.uconv__sectors {
  display: flex; flex-wrap: wrap; gap: 3px;
  margin-bottom: 16px; padding: 4px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.uconv__tab {
  flex: 1 1 auto; white-space: nowrap;
  font: inherit; font-weight: 600; font-size: 13.5px; cursor: pointer;
  background: transparent; border: none; color: var(--text-muted);
  padding: 9px 12px; border-radius: 7px;
  transition: background .14s ease, color .14s ease, box-shadow .14s ease;
}
.uconv__tab:hover { color: var(--text); }
.uconv__tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--accent-strong);
  box-shadow: 0 1px 3px rgba(0,0,0,.13);
}
.uconv__system { display: flex; gap: 6px; margin-bottom: 14px; }
.uconv__cats { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.uconv__input { display: flex; gap: 10px; margin-bottom: 16px; }
/* Selectors are specific enough to beat the base input[type=...] rule,
   so the value field and the unit dropdown are exactly the same height. */
.uconv__input .uconv__value {
  flex: 1; min-width: 0; max-width: none;
  height: 52px; font-size: 22px; font-weight: 600;
}
.uconv__input .uconv__from {
  flex: 0 0 auto; width: auto; min-width: 108px;
  height: 52px; font-size: 16px; font-weight: 600;
}
/* Results as a single vertical column — a clean conversion table. */
.uconv__list {
  list-style: none; margin: 0; padding: 0;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.uconv__row {
  width: 100%; display: flex; align-items: baseline;
  justify-content: space-between; gap: 14px;
  padding: 11px 14px; cursor: pointer;
  font: inherit; color: var(--text); background: none;
  border: none; border-top: 1px solid var(--border);
}
.uconv__list li:first-child .uconv__row { border-top: none; }
.uconv__row:hover { background: var(--accent-soft); }
.uconv__runit { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.uconv__rnum  {
  font-size: 19px; font-weight: 600;
  font-variant-numeric: tabular-nums; text-align: right;
}

/* ---- Site footer -------------------------------------------------- */
.site-footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 28px 0; margin-top: 40px;
}
.site-footer__brand { font-weight: 600; margin: 0 0 8px; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 8px; }
.site-footer__companion {
  font-size: 14px;
  color: var(--text-muted);
  margin: 8px 0 0;
}
.site-footer__companion a {
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 600;
}
.site-footer__companion a:hover { text-decoration: underline; }
.site-footer__nav a { color: var(--text-muted); text-decoration: none; font-size: 14px; }
.site-footer__nav a:hover { color: var(--accent-strong); }
.linklike {
  font: inherit; font-size: 14px; cursor: pointer;
  background: none; border: none; padding: 0;
  color: var(--text-muted); text-decoration: underline; text-underline-offset: 2px;
}
.linklike:hover { color: var(--accent-strong); }
.site-footer__legal { font-size: 13px; color: var(--text-muted); margin: 0; }

/* ---- Sticky mobile mini-bar -------------------------------------- */
.sticky-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--surface); border-top: 1px solid var(--border-strong);
  box-shadow: 0 -2px 12px rgba(0,0,0,.08);
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px; padding-bottom: calc(8px + env(safe-area-inset-bottom));
}
.sticky-bar__text { font-size: 14px; font-variant-numeric: tabular-nums; flex: 1; }
.sticky-bar__text strong { color: var(--accent-strong); }
.sticky-bar__close {
  border: none; background: none; cursor: pointer;
  font-size: 20px; color: var(--text-muted); width: 32px; height: 32px;
}

/* ---- Responsive -------------------------------------------------- */
/* Gutter grows with the viewport: 20px phones, 32px tablets, 50px desktop. */
@media (min-width: 600px) { :root { --gutter: 32px; } }
@media (min-width: 900px) { :root { --gutter: 50px; } }

@media (min-width: 640px) {
  .result__hero { font-size: 56px; }
  input[type="number"], input[type="text"], select { height: 44px; }
}

/* Phones: the category nav drops to its own row below the logo so the
   longer French labels never overflow the header. */
@media (max-width: 620px) {
  .site-nav {
    order: 5; flex-basis: 100%; margin-left: 0;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
  }
  .lang-switch { margin-left: auto; }
}

/* ---- Ingredient density converter -------------------------------- */
.ing-textarea {
  width: 100%; min-height: 132px; resize: vertical;
  font: inherit; font-size: 15px; line-height: 1.7;
  padding: 12px 14px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
}
.ing-textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.calc-breakdown dt { flex: 1 1 auto; min-width: 0; word-break: break-word; }
.calc-breakdown dd .ing-sub  { color: var(--text-muted); font-weight: 500; }
.calc-breakdown dd .ing-note { color: var(--text-muted); font-weight: 500; white-space: normal; }

/* ---- Reference table (densities, brackets, etc.) ----------------- */
.ref-table-wrap { overflow-x: auto; }
.ref-table {
  width: 100%; border-collapse: collapse;
  font-size: 14.5px; font-variant-numeric: tabular-nums;
}
.ref-table th, .ref-table td {
  padding: 8px 10px; text-align: right;
  border-bottom: 1px solid var(--border);
}
.ref-table th:first-child, .ref-table td:first-child { text-align: left; }
.ref-table thead th {
  color: var(--text-muted); font-weight: 600; font-size: 13px;
  border-bottom: 1px solid var(--border-strong);
}
.ref-table tbody tr:hover { background: var(--accent-soft); }
.ref-table .ref-group td {
  font-weight: 700; color: var(--accent-strong);
  background: var(--surface-alt); text-align: left;
}
.ref-table tbody tr.is-sel { background: var(--accent-soft); }
.ref-table tbody tr.is-sel td { font-weight: 600; }
.rank-tag { color: var(--accent-strong); font-weight: 600; }

/* ---- Cocktail batch scaler --------------------------------------- */
.cocktail-head { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.ingredient-row .ing-abv { width: 72px; height: 44px; }
.ingredient-row select.ing-unit { height: 44px; padding: 0 8px; }
.inline-min { display: inline-flex; align-items: center; gap: 8px; }
.inline-min input[type="number"] { width: 110px; max-width: 110px; }
.unit-suffix { color: var(--text-muted); font-weight: 600; }

/* ---- RenoSheets cross-promotion callout -------------------------- */
.reno-moved {
  border: 1px solid var(--border);
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 0 0 28px;
}
.reno-moved h2 { margin-top: 0; }
.reno-moved p { margin: 8px 0; }
.reno-list-h { margin-top: 14px !important; }
.reno-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.reno-list li {
  display: inline-block;
}
.reno-list a {
  display: inline-block;
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  text-decoration: none;
  color: var(--text);
}
.reno-list a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

/* Homepage external recommendation card (RenoSheets). */
.category-card--ext {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .15s, transform .15s;
}
.category-card--ext:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}
.category-card--ext .ext-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--accent-strong);
}

/* ---- Print: tool, diagram and math only -------------------------- */
@media print {
  .site-header, .breadcrumb, .site-footer, .ad-slot,
  .faq, .related, .sticky-bar, .actions, .theme-toggle,
  .tooltip-trigger, .scenarios { display: none !important; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; border-color: #999; }
  main { padding: 0; }
  a { color: #000; text-decoration: none; }
  .verify { background: #f0f0f0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}