/* Cat Calorie Calculator - shared styles. Static, no build step. */

/* ---------- Tokens ---------- */
:root {
  color-scheme: light dark;
  --bg: #fbf6ee;
  --surface: #fffdf9;
  --surface-2: #f3eadd;
  --tint: #fbe3d2;
  --text: #261f1a;
  --muted: #5e5248;
  --border: #e2d5c3;
  --border-strong: #bba98f;
  --primary: #b4470f;
  --primary-hover: #973a09;
  --on-primary: #ffffff;
  --accent: #3e5a2b;
  --on-accent: #ffffff;
  --success: #2a6a30;
  --success-bg: #e6f2e4;
  --error: #b42318;
  --error-bg: #fdeceb;
  --focus: #0b5cad;
  --ring-track: #eadfce;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --s1: .25rem; --s2: .5rem; --s3: .75rem; --s4: 1rem; --s5: 1.5rem; --s6: 2rem; --s7: 3rem; --s8: 4.5rem;
  --shadow: 0 1px 2px rgb(38 31 26 / .06), 0 14px 28px -18px rgb(38 31 26 / .28);
  --header-h: 64px;
  --gutter: clamp(1rem, 4vw, 2rem);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17120f;
    --surface: #211a16;
    --surface-2: #2a211c;
    --tint: #3a251a;
    --text: #f4ebdd;
    --muted: #c4b5a5;
    --border: #3a2e27;
    --border-strong: #6d5c4e;
    --primary: #f08a4b;
    --primary-hover: #f7a06b;
    --on-primary: #1b120c;
    --accent: #a9c77f;
    --on-accent: #16200e;
    --success: #8fd08f;
    --success-bg: #1b2d1c;
    --error: #ff9a8c;
    --error-bg: #3a1c19;
    --focus: #7db7f0;
    --ring-track: #33281f;
    --shadow: 0 1px 2px rgb(0 0 0 / .4), 0 14px 28px -18px rgb(0 0 0 / .7);
  }
}

/* ---------- Reset and base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 1.0625rem/1.6 var(--font-body);
  font-variant-numeric: lining-nums;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1 0 auto; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; letter-spacing: -.01em; margin: 0 0 var(--s4); text-wrap: balance; }
h1 { font-size: clamp(2.25rem, 1.5rem + 3.4vw, 3.9rem); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.7vw, 2.4rem); }
h3 { font-size: 1.25rem; line-height: 1.3; }
p { margin: 0 0 var(--s4); }
a { color: var(--primary); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--primary-hover); text-decoration-thickness: 2px; }
ul, ol { padding-left: 1.25rem; margin: 0 0 var(--s4); }
li { margin-bottom: var(--s2); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--tint); color: var(--text); }
.num, output, .tnum { font-variant-numeric: tabular-nums lining-nums; }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 760px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: var(--s4); top: -100px; z-index: 100; background: var(--text); color: var(--bg); padding: .75rem 1rem; border-radius: var(--r-md); font-weight: 600; }
.skip-link:focus { top: var(--s3); }
.icon { width: 1.25em; height: 1.25em; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.eyebrow { font: 600 .8125rem/1.2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--primary); margin: 0 0 var(--s3); }
.lead { font-size: clamp(1.125rem, 1.05rem + .4vw, 1.3rem); color: var(--muted); max-width: 40rem; }

/* ---------- Header and navigation ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--bg); border-bottom: 1px solid var(--border); }
.site-header__bar { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: var(--s4); }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); text-decoration: none; min-height: 44px; }
.brand:hover { color: var(--text); }
.brand__mark { width: 36px; height: 36px; }
.brand__mark .mark-head { fill: var(--primary); }
.brand__mark .mark-dial { stroke: var(--on-primary); fill: none; }
.brand__mark .mark-dot { fill: var(--on-primary); }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font: 700 1.12rem/1 var(--font-display); letter-spacing: -.01em; white-space: nowrap; }
.brand__sub { font: 600 .625rem/1 var(--font-body); letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }

.nav-toggle { display: none; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1.5px solid var(--border-strong); background: rgb(0 0 0 / 0); color: var(--text); border-radius: var(--r-md); cursor: pointer; }
.nav-toggle:hover { background: var(--surface-2); }
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-open { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }
.nav__list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: var(--s1); }
.nav__list li { margin: 0; }
.nav__link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 .9rem; border-radius: var(--r-md); color: var(--text); text-decoration: none; font-weight: 500; }
.nav__link:hover { background: var(--surface-2); color: var(--text); }
.nav__link[aria-current="page"] { font-weight: 700; box-shadow: inset 0 -2px 0 var(--primary); border-radius: var(--r-md) var(--r-md) 0 0; }
.nav__link--cta { background: var(--primary); color: var(--on-primary); font-weight: 600; margin-left: var(--s2); padding: 0 1.1rem; }
.nav__link--cta:hover { background: var(--primary-hover); color: var(--on-primary); }
.nav__link--cta[aria-current="page"] { box-shadow: none; border-radius: var(--r-md); outline: 2px solid var(--text); outline-offset: 2px; }

@media (max-width: 819.98px) {
  .nav-toggle { display: inline-flex; }
  .js .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); opacity: 0; transform: translateY(-8px); visibility: hidden; pointer-events: none; transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s; }
  .js .nav[data-open="true"] { opacity: 1; transform: none; visibility: visible; pointer-events: auto; transition: opacity .2s ease, transform .2s ease, visibility 0s; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; padding: var(--s3) var(--gutter) var(--s4); }
  .nav__link { width: 100%; min-height: 48px; }
  .nav__link[aria-current="page"] { box-shadow: inset 3px 0 0 var(--primary); border-radius: var(--r-md); background: var(--surface-2); }
  .nav__link--cta { margin: var(--s2) 0 0; justify-content: center; }
  html:not(.js) .site-header__bar { height: auto; flex-wrap: wrap; padding-block: var(--s2); }
}

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 48px; padding: 0 1.4rem; border-radius: var(--r-md); border: 1.5px solid rgb(0 0 0 / 0); font: 600 1rem/1 var(--font-body); text-decoration: none; cursor: pointer; transition: background-color .15s ease, transform .15s ease, border-color .15s ease; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: var(--primary-hover); color: var(--on-primary); }
.btn--ghost { background: rgb(0 0 0 / 0); color: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--surface-2); color: var(--text); }
.btn--light { background: var(--surface); color: #261f1a; }
.btn--light:hover { background: #fff; color: #261f1a; }
.btn--sm { min-height: 44px; padding: 0 1rem; font-size: .9375rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s3); }

/* ---------- Breadcrumbs ---------- */
.breadcrumb { padding-block: var(--s4) 0; font-size: .9375rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem .5rem; margin: 0; padding: 0; color: var(--muted); }
.breadcrumb li { margin: 0; display: inline-flex; align-items: center; gap: .5rem; }
.breadcrumb li + li::before { content: "/"; color: var(--border-strong); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb [aria-current] { color: var(--text); font-weight: 600; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(3rem, 2rem + 4vw, 5.5rem); }
.section--tint { background: var(--surface-2); border-block: 1px solid var(--border); }
.section__head { max-width: 44rem; margin-bottom: var(--s6); }
.section__head p { color: var(--muted); }

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: clamp(2.5rem, 1.5rem + 4vw, 5rem) clamp(2.5rem, 2rem + 3vw, 4.5rem); }
.hero::before { content: ""; position: absolute; width: 90vmin; height: 90vmin; max-width: 900px; max-height: 900px; right: -22vmin; top: -34vmin; border-radius: 50%; pointer-events: none;
  background: repeating-radial-gradient(circle at center, rgb(0 0 0 / 0) 0 34px, var(--border) 34px 35px);
  -webkit-mask-image: radial-gradient(circle, #000 20%, rgb(0 0 0 / 0) 68%); mask-image: radial-gradient(circle, #000 20%, rgb(0 0 0 / 0) 68%); opacity: .9; }
.hero__grid { position: relative; display: grid; gap: var(--s7); align-items: center; }
@media (min-width: 960px) { .hero__grid { grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 5rem); } }
.hero h1 em { font-style: italic; font-weight: 600; color: var(--primary); }
.hero__proof { list-style: none; padding: 0; margin: var(--s5) 0 0; display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); color: var(--muted); font-size: .9375rem; }
.hero__proof li { display: inline-flex; align-items: center; gap: .5rem; margin: 0; }
.hero__proof .icon { color: var(--accent); }
.page-hero { position: relative; overflow: hidden; padding-block: clamp(1.5rem, 1rem + 2vw, 3rem) var(--s5); }
.page-hero h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.25rem); margin-bottom: var(--s3); }

/* Ledger (benefits) */
.ledger { list-style: none; padding: 0; margin: 0; display: grid; gap: 0 var(--s7); border-top: 1px solid var(--border-strong); }
@media (min-width: 820px) { .ledger { grid-template-columns: 1fr 1fr; } }
.ledger li { display: grid; grid-template-columns: 44px 1fr; gap: var(--s4); padding: var(--s5) 0; border-bottom: 1px solid var(--border); margin: 0; }
.ledger__icon { width: 44px; height: 44px; border-radius: 50%; background: var(--tint); color: var(--primary); display: grid; place-items: center; }
.ledger h3 { margin-bottom: .25rem; }
.ledger p { margin: 0; color: var(--muted); }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s6); counter-reset: step; }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); gap: var(--s7); } }
.steps li { position: relative; margin: 0; padding-top: var(--s5); border-top: 3px solid var(--text); counter-increment: step; }
.steps li::before { content: counter(step); position: absolute; top: -1.45rem; left: 0; background: var(--bg); padding-right: var(--s3); font: 700 2.4rem/1 var(--font-display); color: var(--primary); }
.section--tint .steps li::before { background: var(--surface-2); }
.steps h3 { margin-top: var(--s2); }
.steps p { color: var(--muted); margin: 0; }

/* Split rows (use cases) */
.split { display: grid; gap: var(--s6); }
@media (min-width: 900px) { .split { grid-template-columns: 5fr 7fr; gap: var(--s8); } .split__sticky { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; } }
.rows { margin: 0; padding: 0; list-style: none; }
.rows li { margin: 0; padding: var(--s4) 0; border-bottom: 1px solid var(--border); display: grid; gap: .25rem; }
.rows li:first-of-type { border-top: 1px solid var(--border-strong); }
.rows h3 { margin: 0; font-size: 1.15rem; }
.rows p { margin: 0; color: var(--muted); }

/* Trust band with formula */
.trust { display: grid; gap: var(--s6); align-items: start; }
@media (min-width: 900px) { .trust { grid-template-columns: 1fr 1fr; gap: var(--s8); } }
.formula { border: 2px solid var(--text); background: var(--surface); border-radius: var(--r-sm); padding: var(--s4) var(--s5); }
.formula__title { font: 700 .8125rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 var(--s3); padding-bottom: var(--s3); border-bottom: 6px solid var(--text); }
.formula__eq { font: 600 clamp(1.15rem, 1rem + 1vw, 1.55rem)/1.35 var(--font-display); margin: 0 0 var(--s3); }
.formula dl { margin: 0; }
.formula dl div { display: flex; justify-content: space-between; gap: var(--s4); padding: .5rem 0; border-top: 1px solid var(--border); }
.formula dt { color: var(--muted); }
.formula dd { margin: 0; font-weight: 600; text-align: right; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { display: grid; grid-template-columns: 1.5rem 1fr; gap: var(--s3); margin-bottom: var(--s4); }
.checks .icon { color: var(--accent); margin-top: .2rem; }

/* FAQ */
.faq { border-top: 1px solid var(--border-strong); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--s4); min-height: 56px; padding: var(--s3) 0; font: 600 1.0625rem/1.4 var(--font-body); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { transition: transform .2s ease; color: var(--primary); }
.faq details[open] summary .icon { transform: rotate(180deg); }
.faq summary:hover { color: var(--primary); }
.faq__body { padding: 0 0 var(--s4); color: var(--muted); max-width: 46rem; }
.faq__body p:last-of-type { margin-bottom: 0; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; background: var(--text); color: var(--bg); padding-block: clamp(3rem, 2rem + 4vw, 5rem); }
.cta-band::before { content: ""; position: absolute; width: 520px; height: 520px; right: -160px; top: -200px; border-radius: 50%; background: repeating-radial-gradient(circle at center, rgb(0 0 0 / 0) 0 28px, rgb(251 246 238 / .16) 28px 29px); pointer-events: none; }
.cta-band .container { position: relative; display: grid; gap: var(--s5); }
.cta-band h2 { color: var(--bg); margin: 0; max-width: 30rem; }
.cta-band p { color: rgb(251 246 238 / .82); margin: 0; max-width: 34rem; }
@media (prefers-color-scheme: dark) { .cta-band { background: var(--surface-2); color: var(--text); } .cta-band h2 { color: var(--text); } .cta-band p { color: var(--muted); } .cta-band::before { background: repeating-radial-gradient(circle at center, rgb(0 0 0 / 0) 0 28px, var(--border) 28px 29px); } }

/* ---------- Forms ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: clamp(1.1rem, 3vw, 1.75rem); }
.field { margin-bottom: var(--s5); }
.field > label, .field > .legend, fieldset.field > legend { display: block; font-weight: 600; margin-bottom: .35rem; padding: 0; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.opt-tag { font-weight: 400; color: var(--muted); font-size: .9em; }
.help { color: var(--muted); font-size: .9375rem; margin: .35rem 0 0; line-height: 1.45; }
.input, .select, .textarea { width: 100%; min-height: 48px; padding: .6rem .85rem; background: var(--bg); color: var(--text); border: 1.5px solid var(--border-strong); border-radius: var(--r-md); font: 400 1rem/1.4 var(--font-body); font-variant-numeric: tabular-nums; transition: border-color .15s ease; appearance: none; -webkit-appearance: none; }
.select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a7a6a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .8rem center; padding-right: 2.4rem; }
.textarea { min-height: 150px; resize: vertical; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--text); }
.input:focus-visible, .select:focus-visible, .textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--error); background: var(--error-bg); }
.field-error { display: flex; gap: .4rem; align-items: flex-start; color: var(--error); font-size: .9375rem; font-weight: 500; margin: .4rem 0 0; }
.field-error[hidden] { display: none; }
.field-error .icon { margin-top: .15rem; width: 1.1em; height: 1.1em; }
.input-group { display: grid; grid-template-columns: 1fr auto; gap: var(--s2); align-items: stretch; }
.input-group .select { width: auto; min-width: 7.5rem; }
.unit-fieldset { display: flex; }
.unit-fieldset .seg { flex: 1; }
.unit-fieldset .seg__opt input + span { min-width: 3.6rem; }
.form-grid { display: grid; gap: 0 var(--s4); }
@media (min-width: 560px) { .form-grid--2 { grid-template-columns: 1fr 1fr; } }
.form-section { border-top: 1px solid var(--border); padding-top: var(--s5); margin-top: var(--s2); }
.form-section__title { font: 700 .8125rem/1.2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 var(--s4); }

/* Segmented radios and option rows */
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0; border: 1.5px solid var(--border-strong); border-radius: var(--r-md); overflow: hidden; background: var(--bg); }
.seg--stack { grid-auto-flow: row; }
.seg__opt { position: relative; display: block; margin: 0; }
.seg__opt input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.seg__opt input + span { display: flex; align-items: center; justify-content: center; gap: .4rem; min-height: 46px; padding: .4rem .6rem; text-align: center; font-weight: 500; line-height: 1.25; border-left: 1px solid var(--border-strong); }
.seg__opt:first-of-type input + span { border-left: 0; }
.seg__opt:hover input + span { background: var(--surface-2); }
.seg__opt input:checked + span { background: var(--primary); color: var(--on-primary); font-weight: 700; }
.seg__opt input:checked + span::before { content: ""; width: 1em; height: 1em; flex: none; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / contain no-repeat; }
.seg__opt input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -3px; }
.seg--stack .seg__opt input + span { justify-content: flex-start; text-align: left; border-left: 0; border-top: 1px solid var(--border-strong); padding: .6rem .9rem; }
.seg--stack .seg__opt:first-of-type input + span { border-top: 0; }
.seg__text { display: flex; flex-direction: column; align-items: flex-start; }
.seg__text small { font-size: .875rem; font-weight: 400; opacity: .9; }
.seg--stack .seg__opt input:checked + span::before { margin-right: .1rem; }
.seg[aria-invalid="true"] { border-color: var(--error); }
.check { display: flex; align-items: flex-start; gap: .75rem; min-height: 44px; }
.check input { width: 22px; height: 22px; margin: .6rem 0 0; accent-color: var(--primary); flex: none; }
.check label { padding: .5rem 0; font-weight: 500; }

.alert { display: flex; gap: .75rem; align-items: flex-start; padding: var(--s3) var(--s4); border-radius: var(--r-md); border: 1px solid; margin-bottom: var(--s4); }
.alert .icon { margin-top: .2rem; }
.alert[hidden] { display: none; }
.alert--error { background: var(--error-bg); color: var(--error); border-color: var(--error); }
.alert--error a { color: inherit; font-weight: 600; }
.alert--success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.alert--info { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
.alert ul { margin: .25rem 0 0; padding-left: 1.1rem; }
.alert li { margin-bottom: .1rem; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Tool layout ---------- */
.tool-grid { display: grid; gap: var(--s6); align-items: start; }
@media (min-width: 980px) { .tool-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: var(--s7); } .tool-grid__result { position: sticky; top: calc(var(--header-h) + 1rem); } }
.tool-intro { max-width: 46rem; }
.form-actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s5); }
.form-actions .btn--primary { flex: 1 1 12rem; }

/* Result panel */
.result { background: var(--surface); border: 1px solid var(--border-strong); border-top: 8px solid var(--text); border-radius: var(--r-sm); padding: clamp(1.1rem, 3vw, 1.6rem); box-shadow: var(--shadow); min-height: 640px; scroll-margin-top: calc(var(--header-h) + 1rem); }
.result:focus { outline: none; }
.result:focus-visible { outline: 3px solid var(--focus); }
.result__title { font: 700 .8125rem/1.2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 var(--s3); color: var(--muted); }
.result__empty { display: grid; justify-items: center; text-align: center; gap: var(--s4); padding: var(--s5) var(--s2); color: var(--muted); }
.result__empty[hidden], .result__body[hidden] { display: none; }
.result__empty p { margin: 0; max-width: 24rem; }
.ring { width: min(100%, 230px); margin-inline: auto; position: relative; }
.ring svg { width: 100%; height: auto; }
.ring__track { fill: none; stroke: var(--ring-track); stroke-width: 16; }
.ring__meal { fill: none; stroke: var(--primary); stroke-width: 16; }
.ring__treat { fill: none; stroke: var(--accent); stroke-width: 16; }
.ring__center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring__kcal { font: 700 clamp(2.4rem, 2rem + 2vw, 3.2rem)/1 var(--font-display); font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.02em; }
.ring__unit { font-size: .9375rem; color: var(--muted); margin-top: .2rem; }
.result__goal { display: flex; justify-content: center; margin: var(--s3) 0 var(--s2); }
.chip { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .75rem; border-radius: 999px; background: var(--tint); color: var(--text); font-weight: 600; font-size: .9375rem; border: 1px solid var(--border-strong); }
.result__range { text-align: center; color: var(--muted); margin: 0 0 var(--s4); font-size: .9375rem; }
.legend { list-style: none; padding: 0; margin: 0 0 var(--s5); display: flex; flex-wrap: wrap; justify-content: center; gap: .25rem var(--s5); font-size: .9375rem; color: var(--muted); }
.legend li { display: inline-flex; align-items: center; gap: .5rem; margin: 0; }
.legend i { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.legend .lg-meal { background: var(--primary); }
.legend .lg-treat { background: var(--accent); }

/* Label-style breakdown */
.facts { width: 100%; border-collapse: collapse; margin: 0 0 var(--s5); border-top: 6px solid var(--text); font-size: .9875rem; }
.facts caption { text-align: left; font: 700 1.1rem/1.3 var(--font-display); padding: var(--s2) 0; }
.facts th, .facts td { text-align: left; padding: .55rem 0; border-bottom: 1px solid var(--border); vertical-align: top; font-weight: 400; }
.facts th { color: var(--muted); padding-right: var(--s4); width: 52%; }
.facts td { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums lining-nums; }
.facts tr.is-strong th, .facts tr.is-strong td { color: var(--text); font-weight: 700; border-bottom: 3px solid var(--text); }
.facts .sub { display: block; font-weight: 400; color: var(--muted); font-size: .875rem; }
.how { margin: 0 0 var(--s4); padding: var(--s4); background: var(--surface-2); border-radius: var(--r-md); }
.how h3 { font: 700 1rem/1.3 var(--font-body); margin: 0 0 var(--s2); }
.how ol { margin: 0; padding-left: 1.25rem; }
.how li { margin-bottom: .5rem; font-size: .9875rem; }
.how li:last-of-type { margin-bottom: 0; }
.notes { list-style: none; padding: 0; margin: 0 0 var(--s5); display: grid; gap: var(--s2); }
.notes li { display: grid; grid-template-columns: 1.4rem 1fr; gap: .5rem; font-size: .9875rem; margin: 0; color: var(--text); }
.notes .icon { margin-top: .2rem; color: var(--primary); }
.result__actions { display: flex; flex-wrap: wrap; gap: var(--s2); }
.result__disclaimer { font-size: .875rem; color: var(--muted); margin: var(--s4) 0 0; }
.result__disclaimer a { color: inherit; }
.print-only { display: none; }

/* Below-the-tool content */
.prose { max-width: 46rem; }
.prose h2 { margin-top: var(--s7); }
.prose h2:first-of-type { margin-top: 0; }
.prose h3 { margin-top: var(--s5); }
.prose ul li, .prose ol li { margin-bottom: .5rem; }
.updated { color: var(--muted); font-size: .9375rem; margin-bottom: var(--s6); }
.table-wrap { overflow-x: auto; margin: 0 0 var(--s5); border: 1px solid var(--border); border-radius: var(--r-md); -webkit-overflow-scrolling: touch; }
.table-wrap:focus-visible { outline: 3px solid var(--focus); }
.data { width: 100%; border-collapse: collapse; min-width: 480px; font-variant-numeric: tabular-nums lining-nums; }
.data caption { text-align: left; padding: var(--s3) var(--s4); font-weight: 600; color: var(--muted); }
.data th, .data td { padding: .7rem var(--s4); text-align: left; border-top: 1px solid var(--border); }
.data thead th { background: var(--surface-2); font-size: .9375rem; }
.data td.r, .data th.r { text-align: right; }
.examples { display: grid; gap: var(--s4); margin-bottom: var(--s5); }
@media (min-width: 900px) { .examples { grid-template-columns: repeat(3, 1fr); } }
.example { border-top: 4px solid var(--text); background: var(--surface); border-left: 1px solid var(--border); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: var(--s4) var(--s5) var(--s5); }
.example h3 { margin-top: 0; }
.example .big { font: 700 2rem/1 var(--font-display); color: var(--primary); display: block; margin-block: var(--s2); }
.example p { margin-bottom: .5rem; color: var(--muted); font-size: .9875rem; }
.mistakes { list-style: none; padding: 0; display: grid; gap: var(--s4); }
@media (min-width: 760px) { .mistakes { grid-template-columns: 1fr 1fr; gap: var(--s4) var(--s6); } }
.mistakes li { margin: 0; padding-left: var(--s4); border-left: 3px solid var(--primary); }
.mistakes strong { display: block; }
.mistakes span { color: var(--muted); }

/* Compact calculator (home hero) */
.mini { box-shadow: var(--shadow); border-top: 8px solid var(--text); border-radius: var(--r-sm); background: var(--surface); border-inline: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong); padding: clamp(1.1rem, 3vw, 1.5rem); }
.mini__title { font: 700 1.2rem/1.3 var(--font-display); margin: 0 0 var(--s1); }
.mini .help { margin-bottom: var(--s4); }
.mini__out { display: grid; grid-template-columns: auto 1fr; gap: var(--s4); align-items: center; margin-top: var(--s4); padding-top: var(--s4); border-top: 6px solid var(--text); min-height: 112px; }
.mini__kcal { font: 700 clamp(2.6rem, 2rem + 3vw, 3.5rem)/1 var(--font-display); font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.02em; }
.mini__kcal small { display: block; font: 500 .9375rem/1.3 var(--font-body); color: var(--muted); letter-spacing: 0; margin-top: .25rem; }
.mini__note { margin: 0; color: var(--muted); font-size: .9375rem; }
.mini__link { margin-top: var(--s4); }

/* Contact */
.contact-grid { display: grid; gap: var(--s6); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.3fr .7fr; gap: var(--s7); align-items: start; } }
.aside-list { list-style: none; padding: 0; margin: 0; }
.aside-list li { padding: var(--s4) 0; border-bottom: 1px solid var(--border); margin: 0; }
.aside-list li:first-of-type { border-top: 1px solid var(--border-strong); }
.aside-list h2, .aside-list h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.aside-list p { margin: 0; color: var(--muted); }

/* 404 */
.notfound { padding-block: clamp(3rem, 2rem + 6vw, 7rem); text-align: left; }
.notfound .big { font: 700 clamp(4rem, 3rem + 8vw, 9rem)/1 var(--font-display); color: var(--primary); margin: 0 0 var(--s3); font-variant-numeric: tabular-nums; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-strong); background: var(--surface-2); margin-top: auto; }
.footer__grid { display: grid; gap: var(--s6); padding-block: var(--s7) var(--s6); }
@media (min-width: 760px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s7); } }
.footer__brand p { color: var(--muted); max-width: 22rem; margin: var(--s3) 0 0; }
.footer__col h2 { font: 700 .8125rem/1.2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: var(--s3); }
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { margin: 0; }
.footer__col a { display: inline-flex; align-items: center; min-height: 40px; color: var(--text); text-decoration: none; }
.footer__col a:hover { color: var(--primary); text-decoration: underline; }
.footer__base { border-top: 1px solid var(--border); padding-block: var(--s4); display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); justify-content: space-between; color: var(--muted); font-size: .9375rem; }
.footer__base p { margin: 0; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .result__body:not([hidden]) .ring svg { animation: ring-in .5s ease both; }
  .js .result__body:not([hidden]) .ring__kcal { animation: fade-up .45s ease both; }
}
@keyframes ring-in { from { opacity: 0; transform: scale(.96) rotate(-6deg); } to { opacity: 1; transform: none; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
}

/* ---------- Print ---------- */
@media print {
  body { background: #fff; color: #000; font-size: 11pt; display: block; }
  .site-header, .site-footer, .skip-link, .breadcrumb, .page-hero, .tool-grid__form, .below-tool, .result__actions, .result__empty, .nav-toggle { display: none !important; }
  .tool-grid { display: block; }
  .result { box-shadow: none; border: 1px solid #000; border-top-width: 6px; min-height: 0; position: static; break-inside: avoid; }
  .print-only { display: block; margin-bottom: 12pt; }
  .print-only .print-title { font: 700 18pt/1.2 var(--font-display); margin: 0 0 4pt; }
  .ring__track { stroke: #ddd; }
  a { color: #000; text-decoration: none; }
}