/* 1099vsW2 shared structure. Designs set the tokens and the look in design-*.css. */
:root {
  --bg: #fff; --surface: #fff; --surface-2: #f4f6f8; --ink: #111; --muted: #5b6470; --line: #e3e7ec;
  --accent: #12a150; --accent-ink: #fff; --c-w2: #2f6bff; --c-1099: #ff6a2b; --neg: #c2362b; --pos: #12804a;
  --radius: 12px; --radius-sm: 8px; --maxw: 1160px; --prose: 70ch;
  --font: system-ui, sans-serif; --font-head: var(--font); --shadow: 0 1px 2px rgba(16,24,40,.05), 0 4px 16px rgba(16,24,40,.06);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; z-index: 9; background: var(--surface); padding: 8px 12px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* header / footer */
.site-header { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); }
.header-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark svg { width: 34px; height: 34px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { text-decoration: none; padding: 8px 12px; border-radius: var(--radius-sm); font-weight: 500; font-size: .95rem; color: var(--muted); }
.nav a:hover { color: var(--ink); background: var(--surface-2); }
.site-footer { margin-top: 96px; border-top: 1px solid var(--line); padding: 40px 0 24px; font-size: .92rem; color: var(--muted); }
.footer-in { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot-brand { max-width: 360px; } .foot-brand .logo { margin-bottom: 10px; }
.foot-nav { display: grid; grid-template-columns: repeat(2, auto); gap: 6px 32px; align-content: start; }
.foot-nav a { text-decoration: none; } .foot-nav a:hover { color: var(--ink); }
.foot-legal { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); font-size: .82rem; }
.foot-legal p { margin: 0; max-width: 760px; }

/* buttons, tags, cards */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: var(--radius-sm); background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none; border: 2px solid var(--accent); }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.tag { display: inline-block; font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); text-decoration: none; margin-bottom: 8px; }
.eyebrow, .kicker { font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin: 72px 0 20px; }
.section-head a { color: var(--accent); font-weight: 600; text-decoration: none; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card { display: flex; flex-direction: column; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card h3 { margin-bottom: 8px; } .card p { color: var(--muted); font-size: .95rem; flex: 1; }
.card .meta { font-size: .82rem; color: var(--muted); }
.cta-box { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 72px; padding: 32px; border-radius: var(--radius); background: var(--surface-2); }
.cta-box h2 { margin-bottom: 4px; } .cta-box p { margin: 0; color: var(--muted); }
.page-intro { padding-top: 56px; }

/* articles */
.article { padding-top: 48px; }
.article-head, .article .short-version, .article .prose, .article-cta { max-width: var(--prose); margin-inline: auto; }
.byline { color: var(--muted); font-size: .92rem; }
.short-version { margin: 28px auto 36px; padding: 22px 24px; border-radius: var(--radius); background: var(--surface-2); border-left: 4px solid var(--accent); font-size: 1.08rem; }
.short-version p:last-child { margin: 0; }
.sv-label { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.lv-label { font-size: 1.5rem; }
.prose h2, .prose h3, .prose h4, .prose h5 { margin: 1.6em 0 .5em; }
.prose a { color: var(--accent); text-underline-offset: 2px; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; } .prose li { margin-bottom: .35em; }
.prose table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: .95rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.article-cta { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.article-cta p { margin: 0; font-weight: 600; }

/* calculator */
.calc-wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 28px; align-items: start; margin-top: 32px; }
.calc { display: grid; gap: 18px; }
.grp { margin: 0; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.grp legend { float: left; width: 100%; grid-column: 1 / -1; display: flex; align-items: baseline; gap: 10px; padding: 0; margin-bottom: 4px; }
.grp-title { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; }
.grp-sub { color: var(--muted); font-size: .88rem; }
.field { min-width: 0; }
.field-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.field label { font-weight: 600; font-size: .92rem; }
.control { display: flex; align-items: center; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); overflow: hidden; }
.control:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.control input, .control select { flex: 1; min-width: 0; border: 0; background: transparent; font: inherit; font-size: 1rem; padding: 10px 12px; color: var(--ink); font-variant-numeric: tabular-nums; }
.control input:focus, .control select:focus { outline: none; }
.pre, .suf { color: var(--muted); font-size: .9rem; padding: 0 10px; } .pre { padding-right: 0; } .pre + input { padding-left: 4px; }
.help { position: relative; }
.help summary { list-style: none; cursor: pointer; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .78rem; font-weight: 700; color: var(--muted); border: 1px solid var(--line); }
.help summary::-webkit-details-marker { display: none; }
.help[open] summary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.help-body { position: absolute; right: 0; top: 28px; z-index: 4; width: min(320px, 80vw); padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow); font-size: .88rem; line-height: 1.5; }
.help-body a { color: var(--accent); }
.calc-results { position: sticky; top: 88px; padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.res-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.res-card { display: flex; flex-direction: column; gap: 2px; padding: 16px; border-radius: var(--radius-sm); background: var(--surface-2); border: 2px solid transparent; }
.res-card.is-winner { border-color: var(--accent); }
.res-label { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.res-total { font-family: var(--font-head); font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 700; font-variant-numeric: tabular-nums; }
.res-sub { font-size: .8rem; color: var(--muted); }
.res-verdict { margin: 16px 0 8px; font-size: 1.05rem; }
.res-details summary { cursor: pointer; font-weight: 600; color: var(--accent); padding: 6px 0; }
.res-table { width: 100%; border-collapse: collapse; font-size: .88rem; margin-top: 8px; font-variant-numeric: tabular-nums; }
.res-table th, .res-table td { padding: 7px 4px; border-bottom: 1px solid var(--line); text-align: right; }
.res-table th:first-child { text-align: left; font-weight: 500; }
.res-table thead th { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.res-table .neg { color: var(--neg); } .res-table .pos { color: var(--pos); } .res-table .info { color: var(--c-w2); } .res-table .na { color: var(--muted); }
.res-table .row-key th, .res-table .row-key td { font-weight: 700; }
.res-table .row-total th, .res-table .row-total td { font-weight: 700; border-top: 2px solid var(--ink); border-bottom: 0; }
.res-note { font-size: .78rem; color: var(--muted); margin: 10px 0 0; }
.calc-error { color: var(--neg); font-weight: 600; }

@media (max-width: 900px) {
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-results { position: static; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .grp { grid-template-columns: 1fr; padding: 16px; }
  .header-in { min-height: 58px; padding-block: 8px; }
  .nav a { padding: 6px 8px; font-size: .9rem; }
  .res-total { font-size: 1.35rem; }
  .cta-box { padding: 22px; }
}

.grp { align-content: start; }

/* guides rail (home): drifting row of tiles, see rail.js */
.guides-rail { overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; padding: 6px 0 18px; outline-offset: -3px; }
.guides-rail::-webkit-scrollbar { display: none; }
.rail-track { display: flex; gap: 20px; width: max-content; padding-inline: max(20px, calc((100vw - var(--maxw)) / 2 + 20px)); }
.guides-rail.is-live .rail-track { padding-inline: 0 20px; }
.guides-rail .card { flex: 0 0 320px; }
.guides-rail.is-live { -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); cursor: grab; }
.guides-rail.is-dragging { cursor: grabbing; user-select: none; }
@media (max-width: 560px) { .guides-rail .card { flex-basis: 78vw; } }

/* how the calculator works (home, under the calculator) */
.how-it-works { margin-top: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.how-it-works > summary { cursor: pointer; padding: 16px 20px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.how-it-works > summary::-webkit-details-marker { display: none; }
.how-it-works > summary::after { content: "+"; font-size: 1.3rem; color: var(--accent); }
.how-it-works[open] > summary::after { content: "−"; }
.how-it-works .prose { padding: 0 20px 8px; max-width: var(--prose); }

/* cookie consent banner, see consent.js */
.consent { position: fixed; left: 16px; bottom: 16px; z-index: 20; max-width: 380px; width: calc(100% - 32px); padding: 18px; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 40px rgba(16,24,40,.18); font-size: .9rem; line-height: 1.5; }
.consent p { margin: 0 0 12px; }
.consent a { color: var(--accent); }
.consent-btns { display: flex; gap: 10px; }
.consent .btn { padding: 9px 18px; font-size: .9rem; }
.linklike { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; text-align: left; }
.linklike:hover { color: var(--ink); }

/* v3.0 report extras */
.res-h { margin: 18px 0 2px; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.res-flags { margin: 0 0 10px; padding-left: 1.1em; font-size: .82rem; }
.res-flags li { margin: 3px 0; }
.res-foot { margin-top: 12px; }