/* sweetrun.app site stylesheet: the Ember brand, shared by every root page.
   Colours, fonts, radii and the 8 px spacing steps come from /app/tokens.css (linked
   before this file on every page), so the site and the app share one palette.
   This file adds only what a website needs on top: a page type scale, section rhythm,
   the header and footer, buttons, device frames and the calculator components. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Type scale, ratio 1.333 from the app's 17 px body */
  --t-xs: 13px; --t-sm: 15px; --t-base: 17px; --t-md: 20px; --t-lg: 26px;
  --t-xl: 34px; --t-2xl: 44px; --t-3xl: 58px; --t-4xl: 76px; --t-5xl: 92px;
  /* Page rhythm on the 8 px grid */
  --s-5: 40px; --s-6: 48px; --s-7: 64px; --s-8: 96px; --s-9: 128px;
  --gutter: 20px;
  --wrap: 1200px;
  --field-edge: #6B6258;          /* input and control borders: 3.2:1 on the card, WCAG 1.4.11 */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  color-scheme: dark;
}
@media (min-width: 760px) { :root { --gutter: 32px; } }
@media (min-width: 1100px) { :root { --gutter: 48px; } }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--rs-f); font-weight: 500; font-size: var(--t-base); line-height: 1.55;
  background: var(--rs-bg); color: var(--rs-tx);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
strong { font-weight: 700; color: var(--rs-tx); }
::selection { background: var(--rs-acc); color: var(--rs-acc-ink); }
:focus-visible { outline: 2px solid var(--rs-acc); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-weight: 700; line-height: 1.15; text-wrap: balance; letter-spacing: -0.01em; }
p { text-wrap: pretty; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* The app's stage eyebrow: a short orange rule, then tracked caps. The site's one motif. */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--rs-fc); font-weight: 700; font-size: var(--t-xs);
  letter-spacing: .14em; text-transform: uppercase; color: var(--rs-acc);
}
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 2px; background: var(--rs-acc); flex: none; }
.label {
  font-family: var(--rs-fc); font-weight: 700; font-size: 12px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--rs-dim);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: var(--rs-hit-primary); padding: 0 28px; border-radius: var(--rs-r-ctl);
  background: var(--rs-acc); color: var(--rs-acc-ink); border: 0;
  font: 700 var(--t-md)/1 var(--rs-f); text-decoration: none; cursor: pointer;
  user-select: none; -webkit-user-select: none; white-space: nowrap;
  transition: background-color .15s, transform .15s var(--ease-out);
}
.btn:hover { background: #E8924A; }
.btn:active { transform: scale(.98); background: #C9742B; }
.btn-ghost { background: var(--rs-s2); color: var(--rs-tx); box-shadow: inset 0 0 0 1px var(--rs-line2); }
.btn-ghost:hover { background: var(--rs-s3); }
.btn-ghost:active { background: var(--rs-s1); }
.btn-sm { min-height: var(--rs-hit); padding: 0 18px; font-size: var(--t-sm); border-radius: 12px; }
.btn-block { display: flex; width: 100%; }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* Prose links: underlined, orange on hover */
.link { color: var(--rs-tx); text-decoration: underline; text-decoration-color: var(--rs-acc);
  text-decoration-thickness: 1.5px; text-underline-offset: 3px; transition: color .15s; }
.link:hover { color: var(--rs-acc); }
/* Pressed states for everything that has a hover state (buttons carry their own above). */
.link:active, .foot-col a:active { color: #C9742B; }
.nbar-dismiss:active, .tab-btn:active, .tap-opt label:active { transform: scale(.97); }
.nbar-dismiss, .tab-btn, .tap-opt label { transition: transform .15s var(--ease-out), background-color .15s, color .15s; }

/* ── Site header ──────────────────────────────────────────── */
.site-head { position: sticky; top: 0; z-index: 50; background: rgba(12, 11, 10, .94);
  border-bottom: 1px solid var(--rs-line); }
.site-head-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: var(--rs-hit);
  font: 700 21px/1 var(--rs-f); letter-spacing: -0.01em; text-decoration: none; color: var(--rs-tx); }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.site-nav { display: none; gap: 4px; margin-left: auto; }
.site-nav a { display: inline-flex; align-items: center; min-height: var(--rs-hit); padding: 0 14px;
  border-radius: 10px; font-weight: 600; font-size: var(--t-sm); color: var(--rs-dim); text-decoration: none;
  transition: color .15s, background-color .15s; }
.site-nav a:hover { color: var(--rs-tx); background: var(--rs-s1); }
.site-nav a:active { background: var(--rs-s2); }
.site-nav a[aria-current="page"] { color: var(--rs-tx); }
.site-head .btn { margin-left: auto; }
@media (min-width: 960px) { .site-nav { display: flex; } .site-head .btn { margin-left: 8px; } }

/* ── Footer ───────────────────────────────────────────────── */
.site-foot { border-top: 1px solid var(--rs-line); margin-top: var(--s-8); padding: var(--s-7) 0 var(--s-6); color: var(--rs-dim); font-size: var(--t-sm); }
.foot-grid { display: grid; gap: var(--s-5) 32px; grid-template-columns: 1fr 1fr; }
.foot-brand { grid-column: 1 / -1; max-width: 34ch; }
.foot-brand p { margin-top: 12px; }
.foot-col h2 { font: 700 12px/1.2 var(--rs-fc); letter-spacing: .12em; text-transform: uppercase; color: var(--rs-mute); margin-bottom: 8px; }
.foot-col ul { list-style: none; }
.foot-col a { display: inline-flex; align-items: center; min-height: var(--rs-hit); min-width: var(--rs-hit); color: var(--rs-tx); text-decoration: none; transition: color .15s; }
.foot-col a:hover { color: var(--rs-acc); }
.foot-fine { margin-top: var(--s-6); padding-top: 24px; border-top: 1px solid var(--rs-line); font-size: var(--t-xs); color: var(--rs-mute); }
@media (min-width: 760px) { .foot-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) {
  .foot-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .foot-brand { grid-column: auto; }
}

/* ── Stage tiles (colour means stage family, as in the app) ── */
.tile { display: inline-grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: var(--rs-t-power); color: var(--rs-on-tile); }
.tile svg { width: 24px; height: 24px; }
.tile-weather { background: var(--rs-t-weather); } .tile-tap { background: var(--rs-t-tap); }
.tile-lines { background: var(--rs-t-lines); } .tile-collect { background: var(--rs-t-collect); }
.tile-boil { background: var(--rs-t-boil); } .tile-recap { background: var(--rs-t-recap); }

/* ── Calculator pages ─────────────────────────────────────── */
.calc-hero { position: relative; isolation: isolate; overflow: hidden; min-height: 300px;
  display: flex; align-items: flex-end; padding: var(--s-8) 0 var(--s-6); }
.calc-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.calc-hero::after { content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(12,11,10,.55) 0%, rgba(12,11,10,.72) 45%, var(--rs-bg) 100%),
              linear-gradient(90deg, rgba(12,11,10,.7) 0%, rgba(12,11,10,0) 75%); }
.calc-hero h1 { font-weight: 800; font-size: clamp(var(--t-2xl), 4.2vw + 12px, var(--t-3xl)); line-height: 1.02;
  letter-spacing: -0.03em; margin: 16px 0 12px; max-width: 16ch; }
.calc-hero p { font-size: var(--t-md); color: var(--rs-tx); max-width: 52ch; line-height: 1.45; }
/* Labels that sit on a photo get the app's dark lozenge, so they hold AA over any part of the image. */
.calc-hero .eyebrow, .s-hero .eyebrow, .f-hero .eyebrow { padding: 9px 16px 9px 14px; border-radius: 999px; background: rgba(12, 11, 10, .8); }
.hero-stage { display: inline-flex; align-items: center; gap: 12px; margin-top: 20px; padding: 5px 16px 5px 5px; border-radius: 999px;
  background: rgba(12, 11, 10, .8); color: var(--rs-tx); font-size: var(--t-sm); font-weight: 600; }
.hero-stage .tile { width: 32px; height: 32px; border-radius: 9px; }
.hero-stage .tile svg { width: 18px; height: 18px; }
@media (min-width: 760px) { .calc-hero { min-height: 380px; } }

.calc-main { padding-top: var(--s-5); }
.calc-card { background: var(--rs-s1); border: 1px solid var(--rs-line); border-radius: var(--rs-r-card);
  padding: 24px; display: grid; gap: 32px; }
@media (min-width: 900px) {
  .calc-card { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; padding: 40px; align-items: start; }
  .calc-out { position: sticky; top: 92px; }
}
.calc-in > * + .field-label, .calc-in > * + .field { margin-top: 24px; }
.field-label { display: block; margin-bottom: 10px; font: 700 12px/1.3 var(--rs-fc); letter-spacing: .12em;
  text-transform: uppercase; color: var(--rs-dim); }
.field-label .opt { font: 500 var(--t-sm)/1 var(--rs-f); letter-spacing: 0; text-transform: none; color: var(--rs-mute); }
input[type=number], input[type=text], input[type=email], select, textarea {
  width: 100%; min-height: 56px; padding: 12px 16px; border-radius: var(--rs-r-ctl);
  background: var(--rs-bg); border: 1px solid var(--field-edge); color: var(--rs-tx);
  font: 600 var(--t-md)/1.3 var(--rs-f); font-variant-numeric: tabular-nums;
  -webkit-appearance: none; appearance: none; transition: border-color .15s, box-shadow .15s;
}
textarea { font-weight: 500; font-size: var(--t-base); line-height: 1.5; min-height: 112px; resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--rs-mute); opacity: 1; }
input:hover, select:hover, textarea:hover { border-color: var(--rs-dim); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--rs-acc); box-shadow: 0 0 0 3px rgba(220, 130, 52, .35); }
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23B3AA9F' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px; }
.row2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 520px) { .row2 { grid-template-columns: 1fr 1fr; gap: 16px; } }

/* Segmented choice, as the app's Seg */
.seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 8px; }
/* Four choices: always 2 x 2 or 4 across, never 3 + 1 */
.seg:has(> :nth-child(4)) { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 520px) { .seg:has(> :nth-child(4)) { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.seg button { min-height: 52px; padding: 8px 14px; border-radius: 12px;
  background: var(--rs-bg); border: 1px solid var(--field-edge); color: var(--rs-dim);
  font: 600 var(--t-sm)/1.2 var(--rs-f); cursor: pointer; transition: color .15s, background-color .15s, border-color .15s, transform .15s var(--ease-out); }
.seg button:hover { color: var(--rs-tx); border-color: var(--rs-dim); }
.seg button:active { transform: scale(.98); }
.seg button.on { background: var(--rs-acc-soft); border-color: var(--rs-acc); color: var(--rs-tx); }

.btn-loc { display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 52px;
  border-radius: 12px; background: var(--rs-s2); border: 1px solid var(--rs-line2); color: var(--rs-tx);
  font: 700 var(--t-base)/1 var(--rs-f); cursor: pointer; transition: background-color .15s, transform .15s var(--ease-out); }
.btn-loc:hover { background: var(--rs-s3); }
.btn-loc:active { transform: scale(.98); }
.btn-loc:disabled { opacity: .6; cursor: progress; }
.loc-note { font-size: var(--t-sm); color: var(--rs-dim); margin-top: 10px; line-height: 1.45; }
.loc-note:empty { display: none; }
.warn-note { margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: var(--rs-bad-soft);
  border: 1px solid rgba(255, 91, 79, .4); color: var(--rs-tx); font-size: var(--t-sm); line-height: 1.45; }

/* Results: the app's number card */
.calc-out { display: grid; gap: 12px; align-content: start; }
.result-box { background: var(--rs-s2); border: 1px solid var(--rs-acc); border-radius: var(--rs-r-card); padding: 24px; }
.result-label, .mr-label { font: 700 12px/1.3 var(--rs-fc); letter-spacing: .12em; text-transform: uppercase; color: var(--rs-dim); }
.result-label { color: var(--rs-acc); }
.result-value { font-weight: 800; font-size: clamp(var(--t-2xl), 3.2vw + 20px, var(--t-3xl)); line-height: 1.05;
  letter-spacing: -0.02em; margin-top: 10px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.result-sub { margin-top: 8px; color: var(--rs-dim); font-size: var(--t-base); min-height: 1.55em; }
.result-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 520px) { .result-grid { grid-template-columns: 1fr 1fr; } }
.mini-result { background: var(--rs-s2); border: 1px solid var(--rs-line); border-radius: 16px; padding: 18px; }
.mr-value { font-weight: 800; font-size: var(--t-lg); line-height: 1.15; margin-top: 8px; letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.mr-value.mr-word { font-size: var(--t-md); line-height: 1.3; }
.mr-sub { margin-top: 6px; color: var(--rs-dim); font-size: var(--t-sm); line-height: 1.4; }

/* Reference tables and prose */
.prose { max-width: 70ch; margin-top: var(--s-8); }
.prose h2 { font-size: var(--t-xl); font-weight: 800; letter-spacing: -0.02em; margin: var(--s-7) 0 16px; }
.prose > h2:first-child { margin-top: 0; }
.prose h3 { font-size: var(--t-md); margin: var(--s-5) 0 10px; }
.prose p { margin-bottom: 16px; color: var(--rs-tx); }
.hub-prose > div > p:last-child { margin-bottom: 0; }
@media (min-width: 1000px) { .hub-prose { max-width: none; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-6); } .hub-prose p { max-width: 62ch; } }
.prose p.cite { font-size: var(--t-sm); color: var(--rs-mute); margin-top: 24px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--rs-line); border-radius: 16px; background: var(--rs-s1); }
.ref-table { width: 100%; border-collapse: collapse; font-size: var(--t-base); font-variant-numeric: tabular-nums; }
.ref-table th { text-align: left; font: 700 12px/1.3 var(--rs-fc); letter-spacing: .1em; text-transform: uppercase;
  color: var(--rs-dim); padding: 14px 16px; border-bottom: 1px solid var(--rs-line2); }
.ref-table td { padding: 14px 16px; border-bottom: 1px solid var(--rs-line); }
.ref-table tr:last-child td { border-bottom: 0; }
.ref-table tr.hl td { background: var(--rs-acc-soft); font-weight: 700; }
.ref-table tr.hl td:first-child { box-shadow: inset 3px 0 0 var(--rs-acc); }

/* In-the-app band under each calculator */
.cta-band { position: relative; isolation: isolate; overflow: hidden; margin-top: var(--s-8);
  border-radius: var(--rs-r-card); border: 1px solid var(--rs-line); padding: var(--s-6) 24px; background: var(--rs-s1); }
.cta-band > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.cta-band::after { content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(12,11,10,.94) 0%, rgba(12,11,10,.86) 55%, rgba(12,11,10,.55) 100%); }
.cta-band h2 { font-size: var(--t-xl); font-weight: 800; letter-spacing: -0.02em; margin: 16px 0 12px; max-width: 18ch; }
.cta-band p { max-width: 50ch; color: var(--rs-tx); margin-bottom: 24px; }
.cta-free-note { margin-top: 14px; font-size: var(--t-sm); color: var(--rs-dim); }
@media (min-width: 760px) { .cta-band { padding: var(--s-7) var(--s-7); } }

/* Other calculators, as the app's list rows */
.more-calcs { margin-top: var(--s-8); }
.more-calcs h2 { font-size: var(--t-lg); font-weight: 800; letter-spacing: -0.01em; margin-bottom: 16px; }
.calc-links { display: grid; gap: 1px; background: var(--rs-line); border: 1px solid var(--rs-line); border-radius: var(--rs-r-card); overflow: hidden; }
@media (min-width: 900px) { .calc-links { grid-template-columns: repeat(3, 1fr); } }
.calc-link { display: flex; align-items: center; gap: 16px; padding: 18px 20px; min-height: 84px; background: var(--rs-s1);
  text-decoration: none; transition: background-color .15s; }
.calc-link:hover { background: var(--rs-s2); }
.calc-link:active { background: var(--rs-s3); }
.cl-name { font-weight: 700; font-size: var(--t-md); line-height: 1.2; }
.cl-desc { color: var(--rs-dim); font-size: var(--t-sm); margin-top: 2px; line-height: 1.35; }
.chev { margin-left: auto; width: 20px; height: 20px; color: var(--rs-mute); flex: none; }

/* ── Device frames around real app screenshots ────────────── */
.phone, .tablet { position: relative; margin: 0; background: #1A1714; flex: none;
  box-shadow: inset 0 0 0 1px #4A433B, 0 0 0 1px rgba(0, 0, 0, .6), 0 40px 80px -30px rgba(0, 0, 0, .85); }
.phone { width: 100%; max-width: 300px; padding: 9px; border-radius: 46px; }
.phone img { width: 100%; height: auto; aspect-ratio: 390 / 844; object-fit: cover; object-position: top; border-radius: 38px; background: var(--rs-s1); }
.tablet { width: 100%; padding: 12px; border-radius: 30px; }
.tablet img { width: 100%; height: auto; aspect-ratio: 1180 / 820; object-fit: cover; border-radius: 18px; background: var(--rs-s1); }
.shot-cap { margin-top: 14px; font-size: var(--t-sm); color: var(--rs-mute); }

/* Screenshot CTA band on calculator pages */
.cta-shot { display: grid; gap: var(--s-5); align-items: center; padding-bottom: 0; }
.cta-shot .cta-phone { max-width: 260px; justify-self: center; margin-bottom: -120px; }
.cta-shot { padding-bottom: 0; overflow: hidden; }
@media (min-width: 760px) {
  .cta-shot { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); padding-bottom: 0; }
  .cta-shot .cta-copy { padding-bottom: var(--s-7); }
  .cta-shot .cta-phone { align-self: end; margin: 0 0 -140px; max-width: 280px; }
}

/* Calculator hub */
.hub-grid { display: grid; gap: 16px; }
@media (min-width: 760px) { .hub-grid { grid-template-columns: 1fr 1fr; } }
.hub-card { display: flex; flex-direction: column; gap: 12px; padding: 28px; border-radius: var(--rs-r-card);
  background: var(--rs-s1); border: 1px solid var(--rs-line); text-decoration: none;
  transition: background-color .15s, border-color .15s, transform .15s var(--ease-out); }
.hub-card:hover { background: var(--rs-s2); border-color: var(--rs-line2); }
.hub-card:active { transform: scale(.99); }
.hub-top { display: flex; align-items: center; gap: 14px; }
.hub-card h2 { font-size: var(--t-lg); font-weight: 800; letter-spacing: -0.015em; margin-top: 8px; }
.hub-card p { color: var(--rs-dim); max-width: 48ch; }
.hub-go { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 8px; color: var(--rs-acc); font-weight: 700; }
.hub-go svg { width: 18px; height: 18px; }

/* ── Small standalone pages (success, feedback, batch) ────── */
.narrow { width: 100%; max-width: 560px; margin: 0 auto; padding: 0 var(--gutter); }
.panel { background: var(--rs-s1); border: 1px solid var(--rs-line); border-radius: var(--rs-r-card); padding: 28px 24px; }
@media (min-width: 560px) { .panel { padding: 36px; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; }
}