/* Total Grams: shared styles. Colours are the app's (CalorieScale/Components/Theme.swift in the app repo).
   --link and the button use the app's accentText #B23E10, which passes 4.5:1 for white text and on white;
   the brand orange #E0531F is for decoration only. */
:root {
  color-scheme: light dark;
  --page: #F6F4EF; --card: #FFFFFF; --tile: #EFEBE3; --line: #E7E2D9;
  --ink: #1C1B18; --ink-2: #4A463F; --muted: #67635B;
  --accent: #E0531F; --link: #B23E10; --button: #B23E10; --button-ink: #FFFFFF; --field-line: #8F897F;
  --protein: #2E62C9; --carbs: #C98A0E; --fat: #7B48C8;
  --radius: 22px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #141311; --card: #1F1D1A; --tile: #2A2723; --line: #34302B;
    --ink: #F3F0EA; --ink-2: #CFC9BE; --muted: #A9A398;
    --link: #F08A5D; --field-line: #77716A;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 3px; }
a:focus-visible, .button:focus-visible, summary:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(1040px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(720px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip:focus { left: 16px; top: 12px; background: var(--card); padding: 8px 12px; border-radius: 8px; z-index: 10; }

/* Header and footer */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; color: var(--ink); text-decoration: none; font: 700 19px/1 var(--display); letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; }
.site-header nav a { display: inline-block; color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 16px; padding: 12px 8px; }
.site-header nav a:hover { color: var(--ink); text-decoration: underline; }
.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 44px; font-size: 14px; color: var(--muted); }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 0 22px; margin-bottom: 6px; }
.site-footer a { color: var(--ink-2); }
.site-footer .links a { display: inline-block; padding: 11px 0; }
.site-footer p { margin: 4px 0; }

/* Type */
h1, h2, h3 { font-family: var(--display); color: var(--ink); letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(38px, 6.4vw, 64px); line-height: 1.04; font-weight: 800; }
h2 { font-size: clamp(28px, 4vw, 38px); line-height: 1.12; font-weight: 750; }
h3 { font-size: 19px; line-height: 1.3; font-weight: 700; letter-spacing: -0.01em; }
p, li { color: var(--ink-2); }
.lead { font-size: clamp(18px, 2.2vw, 21px); line-height: 1.55; color: var(--ink-2); max-width: 34em; }
.fine { font-size: 15px; color: var(--muted); }
.eyebrow { font-weight: 700; font-size: 15px; letter-spacing: 0.02em; color: var(--link); margin: 0 0 10px; }

/* Buttons */
.button { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 22px; border-radius: 999px;
  background: var(--button); color: var(--button-ink); font-weight: 700; font-size: 17px; text-decoration: none; }
.button[aria-disabled="true"] { cursor: default; }
.button svg { width: 20px; height: 20px; flex: none; }
/* Before launch: a plain status line, no button. */
.soon { margin: 0; font-weight: 700; font-size: 16px; color: var(--ink-2); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; padding: 28px 0 24px; }
.hero h1 { margin-bottom: 18px; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin: 26px 0 12px; }
.cta.end { margin-top: 28px; }
.phones { display: flex; justify-content: center; gap: 18px; }
.phone { margin: 0; flex: 0 1 300px; }
.phone img { display: block; width: 100%; border-radius: 34px; border: 6px solid #1C1B18; box-shadow: 0 18px 40px rgba(28, 27, 24, 0.18); background: #1C1B18; }
.phone figcaption { font-size: 14px; color: var(--muted); text-align: center; margin-top: 12px; }

/* Sections */
section { padding: 56px 0 0; }
.section-head { max-width: 40em; margin-bottom: 24px; }
.section-head p { margin: 12px 0 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.steps li, .card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 24px; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--button); color: var(--button-ink); font: 800 17px/1 var(--display); margin-bottom: 14px; }
.steps p, .card p { margin: 8px 0 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare .card h3 { margin-bottom: 4px; }
.stat { font: 800 44px/1 var(--display); color: var(--link); letter-spacing: -0.02em; margin: 6px 0 4px; }
.price { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 720px; }
.price .card { padding: 24px; }
.price .amount { font: 800 34px/1.1 var(--display); color: var(--ink); margin: 6px 0 2px; }
.price .per { color: var(--muted); font-size: 15px; margin: 0; }
.badge { display: inline-block; font-size: 13px; font-weight: 700; color: var(--link); background: var(--tile); border-radius: 999px; padding: 3px 10px; }

/* Text pages (privacy, support, terms) */
.doc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px clamp(20px, 5vw, 44px); margin-top: 8px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); margin-bottom: 8px; }
.doc h2 { font-size: 22px; margin-top: 32px; letter-spacing: -0.01em; }
.doc h3 { margin-top: 20px; }
.doc ul { padding-left: 22px; }
.doc li + li { margin-top: 6px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.doc th { color: var(--ink); font-weight: 700; }
.doc .table-scroll { overflow-x: auto; }
details { border-top: 1px solid var(--line); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style-position: outside; }
details p, details ol, details ul { margin: 10px 0 0; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 8px; }
  .steps, .features { grid-template-columns: 1fr; }
  .compare, .price { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .phones { gap: 12px; }
  .phone img { border-width: 4px; border-radius: 26px; }
  section { padding-top: 44px; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
.price .amount.no-badge { margin-top: 28px; }
@media (max-width: 880px) { .price .amount.no-badge { margin-top: 6px; } }
@media (prefers-color-scheme: dark) {
  .phone img { border-color: #45403A; box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5); }
}
@media (max-width: 880px) { .phone { flex-basis: 260px; } }

/* Calorie calculator */
.calc-intro { max-width: 40em; padding: 12px 0 20px; }
.calc-intro h1 { font-size: clamp(34px, 5.4vw, 52px); margin-bottom: 12px; }
.calc { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 16px; align-items: start; }
.calc-form { display: grid; gap: 18px; }
.calc-result { position: sticky; top: 16px; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend, .label, .field > label { display: block; font-weight: 700; color: var(--ink); margin-bottom: 8px; padding: 0; }
legend .hint { font-weight: 400; color: var(--muted); font-size: 15px; margin-left: 6px; }
.seg-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.seg-options label, .choices label { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 10px 14px; border: 1.5px solid var(--line);
  border-radius: 14px; background: var(--page); color: var(--ink); font-weight: 600; cursor: pointer; }
.seg-options label span { color: var(--muted); font-weight: 400; font-size: 15px; }
.seg-options label:has(input:checked), .choices label:has(input:checked) { border-color: var(--button); background: var(--card); }
.choices { display: grid; gap: 8px; }
.choices label span { display: grid; gap: 1px; font-weight: 400; color: var(--ink-2); font-size: 15px; line-height: 1.35; }
.choices label strong { color: var(--ink); font-size: 17px; }
input[type="radio"] { accent-color: var(--button); width: 20px; height: 20px; margin: 0; flex: none; }
input[type="radio"]:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }
.with-unit { display: flex; align-items: center; gap: 10px; }
.with-unit input { width: 100%; max-width: 10ch; min-height: 48px; padding: 0 14px; font: 600 17px/1 var(--sans); color: var(--ink);
  background: var(--card); border: 1.5px solid var(--field-line); border-radius: 12px; }
.with-unit input:focus { outline: 3px solid var(--link); outline-offset: 1px; border-color: transparent; }
.with-unit input[aria-invalid="true"] { border-color: #C2341B; }
.with-unit span { color: var(--muted); }
.pair { display: flex; gap: 14px; flex-wrap: wrap; }
.pair .with-unit input { max-width: 7ch; }
.err { margin: 6px 0 0; font-size: 15px; color: #B3261E; }
.field-err { margin-top: -12px; }
@media (prefers-color-scheme: dark) { .err { color: #FF8A80; } .with-unit input[aria-invalid="true"] { border-color: #FF8A80; } }
.calc-result h2 { font-size: 22px; letter-spacing: -0.01em; }
.calc-result .empty { color: var(--muted); }
.calc-result .big { margin: 14px 0 0; color: var(--ink); font-weight: 700; }
.calc-result .big .num { display: block; font: 800 52px/1.05 var(--display); letter-spacing: -0.02em; color: var(--ink); }
.calc-result .sub { margin: 4px 0 16px; font-size: 15px; }
.targets { width: 100%; border-collapse: collapse; font-size: 16px; }
.targets caption { text-align: left; font-weight: 700; color: var(--ink); padding-bottom: 6px; }
.targets th, .targets td { padding: 10px 0; border-top: 1px solid var(--line); text-align: left; font-weight: 400; color: var(--ink-2); vertical-align: top; }
.targets td { text-align: right; font-weight: 700; color: var(--ink); white-space: nowrap; padding-left: 12px; font-variant-numeric: tabular-nums; }
.targets tr.maintain th, .targets tr.maintain td { color: var(--ink); font-weight: 700; }
.targets tr.low td { color: var(--muted); }
.note { font-size: 15px; background: var(--tile); border-radius: 12px; padding: 10px 12px; margin: 12px 0 0; }
.app-handoff { margin-top: 16px; }
.app-handoff h2 { font-size: 24px; letter-spacing: -0.01em; }
.app-handoff p { max-width: 44em; }
.prose { max-width: 720px; padding-top: 40px; }
.prose h2 { font-size: 26px; margin-top: 36px; }
.prose ul { padding-left: 22px; }
.prose details { margin-top: 0; }
.prose h2 + details { margin-top: 12px; }
.sources li { font-size: 15px; }
@media (max-width: 880px) {
  .calc { grid-template-columns: 1fr; }
  .calc-result { position: static; }
}
.site-header nav { display: flex; gap: 4px; justify-content: flex-end; white-space: nowrap; }
.site-header nav a[aria-current="page"] { color: var(--ink); }
.goal-card h2 { font-size: 24px; letter-spacing: -0.01em; }
.goal-card p { max-width: 44em; }

/* Calculator, after review */
.calc-go { justify-self: start; border: 0; cursor: pointer; font-family: var(--sans); }
@media (min-width: 881px) { .calc-go { display: none; } }
.calc-result h2:focus { outline: none; }
.calc-result h2:focus-visible { outline: 3px solid var(--link); outline-offset: 4px; border-radius: 6px; }
.calc-result .empty a { font-weight: 700; }
.stale { opacity: 0.4; margin-top: 8px; pointer-events: none; }
.handoff-goal { font-weight: 600; color: var(--ink); }
@media (prefers-color-scheme: dark) {
  .seg-options label:has(input:checked), .choices label:has(input:checked) { border-color: var(--link); }
}
@media (max-width: 359px) {
  .site-header { flex-wrap: wrap; row-gap: 0; }
  .site-header nav { width: 100%; justify-content: flex-start; margin-left: -8px; }
}