/* =============================================================================
   Under Sink Fit — design system
   Direction: workshop spec sheet / tape measure.
   Cool drafting paper, ink linework, mono numerals, tape-blade yellow accent.
   ========================================================================== */

:root {
    --paper: #F4F5F1;
    --card: #FFFFFF;
    --ink: #1E2A26;
    --ink-soft: #33413C;
    --muted: #5C6862;
    --line: #DCE0D7;
    --line2: #C2C9BC;
    --wash: #ECEEE7;
    --blade: #F2B90D;
    --blade-soft: #FBEFC5;
    --blade-ink: #171310;
    --ok: #2E7D5B;
    --ok-soft: #E7F2EC;
    --tight: #A66B00;
    --tight-soft: #FBF3DC;
    --risk: #B3402E;
    --risk-soft: #F7E5E0;
    --on-ink: #E9ECE5;
    --on-ink-muted: #A7B1A9;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Source Code Pro", Menlo, Consolas, monospace;
    --r: 10px;
    --r-lg: 14px;
    --shadow: 0 1px 2px rgba(30, 42, 38, .06), 0 8px 24px -12px rgba(30, 42, 38, .18);
    --maxw: 1120px;
}

/* Reset ------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--sans);
    font-size: 16.5px;
    line-height: 1.62;
    color: var(--ink);
    background: var(--paper);
}
img, svg { max-width: 100%; height: auto; display: block; }
input, button, select, textarea { font: inherit; color: inherit; }
a { color: var(--ink); text-decoration-color: var(--line2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }

/* Typography --------------------------------------------------------------- */
h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -0.015em; margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 2.7rem); }
h2 { font-size: 1.42rem; margin-top: 0; }
h3 { font-size: 1.12rem; }
h4 { font-size: .95rem; margin-bottom: .3em; }
p { margin: 0 0 1em; }
small { font-size: .84em; color: var(--muted); }
.num, .plan-dims, .metric strong, td.dims, .kf-row dd { font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 600; letter-spacing: -.01em; white-space: nowrap; }
.eyebrow {
    font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
    text-transform: uppercase; color: var(--muted); margin: 0 0 .6em; font-weight: 600;
}
.lede { font-size: 1.08rem; color: var(--ink-soft); max-width: 58ch; }
.section-lede { color: var(--muted); max-width: 66ch; margin-top: -.4em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Layout ------------------------------------------------------------------- */
.site-main { max-width: var(--maxw); margin: 0 auto; padding: 26px 20px 72px; }
.site-main > article > section, .site-main > article > aside, .site-main > article > nav { margin: 0 0 44px; }
.page-heading { max-width: 74ch; margin-bottom: 34px; }
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: start; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.landing-lead { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: start; }
.landing-copy p { max-width: 62ch; }
.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.decision-grid > div { background: var(--wash); border-radius: var(--r); padding: 14px 16px; }
.decision-grid h3, .decision-grid h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* Skip link ---------------------------------------------------------------- */
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--blade); color: var(--blade-ink); padding: 10px 16px; z-index: 100; border-radius: 0 0 var(--r) 0; }
.skip-link:focus { left: 0; }

/* Header ------------------------------------------------------------------- */
.site-header { background: var(--paper); border-bottom: 2px solid var(--ink); position: sticky; top: 0; z-index: 40; }
.header-inner { max-width: var(--maxw); margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-mark rect { fill: var(--blade); stroke: var(--ink); stroke-width: 2; }
.brand-mark .bm-pipe { fill: none; stroke: var(--ink); stroke-width: 2.6; stroke-linecap: round; }
.brand-mark .bm-tick { stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
.brand-text { display: flex; flex-direction: column; line-height: 1.12; }
.brand-text strong { font-size: 1.02rem; letter-spacing: -.01em; }
.brand-text small { font-family: var(--mono); font-size: .64rem; letter-spacing: .09em; text-transform: uppercase; }
.top-nav { display: flex; align-items: center; gap: 4px 18px; flex-wrap: wrap; margin-left: auto; }
.top-nav > a { text-decoration: none; font-weight: 600; font-size: .93rem; padding: 6px 2px; border-bottom: 2px solid transparent; }
.top-nav > a:hover { border-bottom-color: var(--blade); }
.nav-search { display: flex; border: 1.5px solid var(--ink); border-radius: 999px; overflow: hidden; background: var(--card); }
.nav-search input { border: 0; padding: 6px 12px; width: 168px; background: transparent; outline-offset: -2px; }
.nav-search button { border: 0; background: var(--blade); color: var(--blade-ink); padding: 0 12px; cursor: pointer; font-size: 1.05rem; }
.burger { display: none; }
.nav-toggle { display: none; }

@media (max-width: 900px) {
    .burger { display: flex; flex-direction: column; gap: 4px; margin-left: auto; cursor: pointer; padding: 8px; }
    .burger span { width: 22px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
    .top-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 2px solid var(--ink); padding: 14px 20px 20px; flex-direction: column; align-items: stretch; }
    .top-nav > a { padding: 10px 4px; border-bottom: 1px solid var(--line); }
    .nav-toggle:checked ~ .top-nav { display: flex; }
    .nav-toggle:checked ~ .burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .nav-toggle:checked ~ .burger span:nth-child(2) { opacity: 0; }
    .nav-toggle:checked ~ .burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
    .nav-search input { width: 100%; flex: 1; }
}

/* Breadcrumbs --------------------------------------------------------------- */
.breadcrumbs { font-size: .82rem; font-family: var(--mono); margin: 0 0 20px; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 0; padding: 0; color: var(--muted); }
.breadcrumbs li + li::before { content: "/"; margin: 0 6px 0 2px; color: var(--line2); }
.breadcrumbs a { color: var(--muted); }

/* Buttons ------------------------------------------------------------------ */
.button {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--blade); color: var(--blade-ink);
    border: 2px solid var(--ink); border-radius: var(--r);
    padding: 11px 20px; font-weight: 700; font-size: .96rem;
    text-decoration: none; cursor: pointer;
    box-shadow: 2px 2px 0 var(--ink);
    transition: transform .08s ease, box-shadow .08s ease;
}
.button:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--ink); }
.button:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--ink); }
.button.ghost { background: var(--card); color: var(--ink); box-shadow: none; border-width: 1.5px; }
.button.ghost:hover { background: var(--wash); transform: none; }
.text-link { font-weight: 650; }

/* Cards -------------------------------------------------------------------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px 24px; }
.warn-card { border-left: 4px solid var(--risk); }
.body-copy h2 { margin-top: 1.2em; font-size: 1.2rem; }
.body-copy h2:first-child { margin-top: 0; }
.scenario-card, .tool-card {
    display: flex; flex-direction: column; gap: 6px;
    background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
    padding: 18px 18px 16px; text-decoration: none;
    transition: border-color .12s, transform .12s;
}
.scenario-card:hover, .tool-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.scenario-card strong, .tool-card strong { font-size: 1.02rem; }
.scenario-card span, .tool-card span { color: var(--muted); font-size: .9rem; line-height: 1.45; }
.tool-card { border-top: 4px solid var(--blade); }

/* Quick answer & key facts --------------------------------------------------- */
.quick-answer {
    background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--ink);
    border-radius: var(--r); padding: 16px 20px; margin: 18px 0 0; max-width: 78ch;
}
.quick-answer p { margin: 0; }
.qa-label { display: block; font-family: var(--mono); font-size: .68rem; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; font-weight: 700; }
.key-facts { background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--blade); border-radius: var(--r); padding: 16px 18px; }
.kf-title { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.key-facts dl { margin: 0; }
.kf-row { display: flex; justify-content: space-between; gap: 14px; padding: 7px 0; border-top: 1px dashed var(--line); }
.kf-row:first-of-type { border-top: 0; padding-top: 0; }
.kf-row dt { color: var(--ink-soft); font-size: .92rem; }
.kf-row dd { margin: 0; }

/* Measure strip (signature) --------------------------------------------------- */
.measure-strip { margin: 18px 0 22px; border-top: 2px solid var(--ink); background: linear-gradient(var(--blade-soft), var(--blade-soft)); border-radius: 0 0 6px 6px; }
.measure-strip svg { height: 40px; width: 100%; }
.measure-strip line { stroke: var(--ink); stroke-width: 1.6; }
.measure-strip text { font-family: var(--mono); font-size: 9.5px; fill: var(--ink-soft); text-anchor: middle; }

/* Hero ---------------------------------------------------------------------- */
.hero { display: grid; grid-template-columns: 1.15fr .95fr; gap: 34px; align-items: start; margin-bottom: 52px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-card { background: var(--card); border: 1.5px solid var(--ink); border-radius: var(--r-lg); padding: 20px; box-shadow: var(--shadow); }

/* Hub index ------------------------------------------------------------------ */
.hub-index { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.hub-col { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 16px 18px; }
.hub-col h3 { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.hub-col ul { list-style: none; margin: 0; padding: 0; }
.hub-col li { border-top: 1px dashed var(--line); }
.hub-col li:first-child { border-top: 0; }
.hub-col a { display: block; padding: 8px 2px; text-decoration: none; font-weight: 600; }
.hub-col a:hover { color: var(--ink); background: var(--blade-soft); }

/* Forms ---------------------------------------------------------------------- */
.fit-form { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px 20px 20px; }
.hero-card .fit-form { border: 0; padding: 0; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.field label, .flabel { display: block; font-weight: 650; font-size: .9rem; margin-bottom: 6px; }
.numfield { display: flex; align-items: stretch; border: 1.5px solid var(--ink); border-radius: var(--r); overflow: hidden; background: var(--card); }
.numfield input {
    flex: 1; min-width: 0; border: 0; text-align: center; padding: 9px 4px;
    font-family: var(--mono); font-size: 1.05rem; font-weight: 650; background: transparent;
}
.numfield input:focus { outline: none; background: var(--blade-soft); }
.stepbtn { border: 0; background: var(--wash); width: 38px; cursor: pointer; font-size: 1.15rem; font-weight: 700; color: var(--ink-soft); flex: none; }
.stepbtn:hover { background: var(--blade-soft); }
.numfield .unit { display: flex; align-items: center; padding: 0 10px 0 2px; font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.hint { font-size: .8rem; color: var(--muted); margin: 6px 0 0; line-height: 1.4; }
.side-hint { max-width: 46ch; }
select { width: 100%; border: 1.5px solid var(--ink); border-radius: var(--r); padding: 10px 12px; background: var(--card); }
.check-row { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-weight: 600; font-size: .93rem; }
.check-row input { width: 18px; height: 18px; accent-color: var(--ink); }

/* Segmented control ------------------------------------------------------------ */
.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg-opt input { position: absolute; opacity: 0; pointer-events: none; }
.seg-opt span {
    display: inline-block; padding: 8px 14px; border: 1.5px solid var(--line2);
    border-radius: 999px; background: var(--card); font-size: .87rem; font-weight: 600;
    cursor: pointer; transition: background .1s, border-color .1s, color .1s;
}
.seg-opt:hover span { border-color: var(--ink); }
.seg-opt input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.seg-opt input:focus-visible + span { outline: 3px solid var(--blade); outline-offset: 2px; }

/* Trap position picker ----------------------------------------------------------- */
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); gap: 10px; }
.choice {
    display: flex; flex-direction: column; align-items: center; gap: 7px;
    border: 1.5px solid var(--line2); border-radius: var(--r); background: var(--card);
    padding: 12px 8px 10px; cursor: pointer; text-align: center;
    font-size: .82rem; font-weight: 650;
    transition: border-color .1s, background .1s, transform .1s;
}
.choice:hover { border-color: var(--ink); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice:has(input:checked) { border-color: var(--ink); background: var(--blade-soft); box-shadow: 2px 2px 0 var(--ink); }
.choice:has(input:focus-visible) { outline: 3px solid var(--blade); outline-offset: 2px; }
.trap-mini { width: 56px; height: 34px; }
.trap-mini .tm-cab { fill: var(--paper); stroke: var(--line2); stroke-width: 1.6; }
.trap-mini .tm-pipe { stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; }
.trap-mini .tm-trap { fill: none; stroke: var(--ink); stroke-width: 2.4; }
.trap-mini .tm-q { font-family: var(--mono); font-size: 17px; font-weight: 700; fill: var(--muted); text-anchor: middle; }
.choice:has(input:checked) .tm-cab { fill: var(--card); stroke: var(--ink); }

/* Wizard -------------------------------------------------------------------------- */
.wizard { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 12px; counter-reset: none; }
.wstep { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--card); overflow: hidden; }
.whead { display: flex; align-items: baseline; gap: 12px; padding: 14px 18px; background: var(--wash); cursor: default; }
.wnum {
    font-family: var(--mono); font-weight: 700; font-size: .85rem;
    width: 27px; height: 27px; border: 2px solid var(--ink); border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--card); flex: none; align-self: center;
}
.whead h3 { margin: 0; font-size: 1rem; }
.wsub { margin-left: auto; font-family: var(--mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.wbody { padding: 16px 18px 18px; display: grid; gap: 16px; }
html.js .fit-form:not(.compact) .wstep:not(.is-active) .wbody { display: none; }
html.js .fit-form:not(.compact) .whead { cursor: pointer; }
html.js .wstep.is-active { border-color: var(--ink); }
html.js .wstep.is-active .whead { background: var(--blade-soft); }
html.js .wstep.is-done .wnum { background: var(--ink); color: var(--blade); border-color: var(--ink); }
.adv summary { font-family: var(--mono); font-size: .8rem; letter-spacing: .05em; cursor: pointer; color: var(--ink-soft); font-weight: 700; }
.adv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; align-items: start; }
.preset-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.preset-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); }
.chip { border: 1.5px dashed var(--line2); background: transparent; border-radius: 999px; padding: 6px 12px; font-family: var(--mono); font-size: .76rem; cursor: pointer; }
.chip:hover { border-color: var(--ink); background: var(--blade-soft); }
.form-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.form-note { font-size: .8rem; color: var(--muted); margin: 12px 0 0; }
.compact .cf-title { font-size: 1.05rem; margin-bottom: 12px; }

/* Tool layout ----------------------------------------------------------------------- */
.tool-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 26px; align-items: start; }
.tool-side { position: sticky; top: 82px; }

/* Cabinet SVG ------------------------------------------------------------------------ */
.cab-figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 14px 14px 10px; }
.cab-svg { width: 100%; }
.cab-figure figcaption { font-size: .8rem; color: var(--muted); padding: 8px 6px 4px; line-height: 1.45; }
.svg-cab { fill: var(--paper); stroke: var(--ink); stroke-width: 2.4; }
.svg-rear { fill: var(--wash); }
.svg-zone { fill: var(--blade-soft); stroke: var(--line2); stroke-width: 1; transition: x .25s, width .25s; }
.svg-block { stroke: var(--risk); stroke-width: 1; stroke-opacity: .5; }
.svg-hatch-line { stroke: var(--risk); stroke-width: 1.7; opacity: .5; }
.svg-pipe { stroke: var(--ink); stroke-width: 5; stroke-linecap: round; }
.svg-trap { fill: var(--paper); stroke: var(--ink); stroke-width: 3; }
.svg-door { stroke: var(--ink); stroke-width: 3.2; }
.svg-stile { fill: var(--ink); }
.svg-dim { stroke: var(--line2); stroke-width: 1.4; }
.svg-t { font-family: var(--mono); font-size: 13px; fill: var(--muted); font-weight: 600; }
.svg-t-strong { fill: var(--ink); }
.svg-small { font-family: var(--mono); font-size: 11.5px; fill: var(--muted); }
.svg-gauge { fill: var(--wash); stroke: var(--line2); }
.svg-mark { stroke: var(--ink); stroke-width: 2.4; }
.svg-mark-front { stroke: var(--tight); stroke-dasharray: 4 3; }

/* Result panel (dark, signature) -------------------------------------------------------- */
.result-panel {
    background: var(--ink); color: var(--on-ink);
    border-radius: var(--r-lg); padding: 24px 26px;
    border: 1px solid var(--ink);
}
.result-panel a { color: var(--blade); text-decoration-color: rgba(242, 185, 13, .5); }
.result-panel .eyebrow { color: var(--on-ink-muted); }
.result-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.result-head h2 { margin-bottom: 0; }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.result-panel .button.ghost { background: transparent; color: var(--on-ink); border-color: rgba(233, 236, 229, .5); }
.result-panel .button.ghost:hover { border-color: var(--on-ink); background: rgba(233, 236, 229, .08); }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 0 0 18px; }
.metric { background: rgba(233, 236, 229, .07); border: 1px solid rgba(233, 236, 229, .14); border-radius: var(--r); padding: 13px 15px; }
.metric span { display: block; font-size: .8rem; color: var(--on-ink-muted); line-height: 1.35; }
.metric span small { display: block; font-size: .72rem; }
.metric strong { display: block; font-size: 1.65rem; color: var(--blade); margin-top: 4px; }
.metric strong .num { color: inherit; }
.strategy { font-size: 1.02rem; max-width: 72ch; }
.risk-box { background: rgba(242, 185, 13, .1); border-left: 4px solid var(--blade); border-radius: 6px; padding: 14px 18px; margin-top: 16px; }
.risk-box h3 { color: var(--blade); font-size: .95rem; margin-bottom: 8px; }
.risk-box ul { margin: 0; padding-left: 20px; }
.risk-box li { margin-bottom: 6px; }
.risk-box li:last-child { margin-bottom: 0; }
.verdict { font-size: 1.7rem; }
.v-fits { color: #7FCBA8; }
.v-tight { color: var(--blade); }
.v-no { color: #F0917F; }

/* Unit toggle ------------------------------------------------------------------ */
.unit-toggle { display: inline-flex; border: 1.5px solid currentColor; border-radius: 999px; overflow: hidden; opacity: .95; }
.ut-btn { border: 0; background: transparent; color: inherit; padding: 5px 13px; font-family: var(--mono); font-size: .78rem; font-weight: 700; cursor: pointer; }
.ut-btn.is-on { background: var(--blade); color: var(--blade-ink); }

/* Tables ------------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
thead th {
    font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
    color: var(--muted); text-align: left; padding: 12px 14px; background: var(--wash);
    border-bottom: 1.5px solid var(--line2); white-space: nowrap;
}
tbody th, tbody td { padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: top; text-align: left; }
tbody tr:first-child th, tbody tr:first-child td { border-top: 0; }
tbody th { font-weight: 700; }
tbody th small { display: block; font-weight: 500; margin-top: 2px; }
td.num, td .num { font-family: var(--mono); }
.reasons { display: block; color: var(--muted); margin-top: 3px; }
.warn-text { display: block; color: var(--risk); margin-top: 3px; }
.table-note { font-size: .82rem; color: var(--muted); margin-top: 10px; max-width: 78ch; }
.checks-table td.neg .num { color: var(--risk); }
.checks-table td.tight .num { color: var(--tight); }
.result-list { list-style: none; margin: 14px 0 0; padding: 0; }
.result-list li { padding: 10px 2px; border-top: 1px solid var(--line); }
.result-list li:first-child { border-top: 0; }
.result-list a { font-weight: 700; }
.result-list small { display: block; margin-top: 2px; }

@media (max-width: 720px) {
    .zone-table thead, .spec-table thead, .checks-table thead, .chart-table thead { display: none; }
    .zone-table, .spec-table, .checks-table, .chart-table,
    .zone-table tbody, .spec-table tbody, .checks-table tbody, .chart-table tbody { display: block; }
    .zone-table tr, .spec-table tr, .checks-table tr, .chart-table tr { display: block; padding: 12px 14px; border-top: 1px solid var(--line); }
    .zone-table tr:first-child, .spec-table tr:first-child, .checks-table tr:first-child, .chart-table tr:first-child { border-top: 0; }
    .zone-table th, .spec-table th, .checks-table th, .chart-table th,
    .zone-table td, .spec-table td, .checks-table td, .chart-table td { display: flex; justify-content: space-between; gap: 14px; border: 0; padding: 4px 0; }
    .zone-table td::before, .spec-table td::before, .checks-table td::before, .chart-table td::before {
        content: attr(data-label); font-family: var(--mono); font-size: .68rem; letter-spacing: .08em;
        text-transform: uppercase; color: var(--muted); align-self: center; flex: none;
    }
    tbody th { padding-bottom: 8px; }
}

/* Badges ------------------------------------------------------------------------- */
.badge {
    display: inline-block; font-family: var(--mono); font-size: .68rem; font-weight: 700;
    letter-spacing: .07em; text-transform: uppercase; padding: 4px 9px; border-radius: 5px;
    border: 1.5px solid transparent; white-space: nowrap;
}
.b-exact { background: var(--ok); color: #fff; }
.b-good { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.b-likely { background: var(--tight-soft); color: var(--tight); border-color: var(--tight); }
.b-risky { background: var(--risk-soft); color: var(--risk); border-color: var(--risk); }
.b-no { background: var(--wash); color: var(--muted); border-color: var(--line2); }
.amazon-link { font-weight: 700; white-space: nowrap; }

/* Plan ---------------------------------------------------------------------------- */
.plan { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: plan; }
.plan-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px 14px; counter-increment: plan; position: relative; }
.result-panel .plan-item { background: rgba(233, 236, 229, .06); border-color: rgba(233, 236, 229, .16); }
.plan-item::before {
    content: counter(plan, decimal-leading-zero);
    position: absolute; top: 14px; right: 16px;
    font-family: var(--mono); font-size: .78rem; color: var(--muted); opacity: .8;
}
.result-panel .plan-item::before { color: var(--on-ink-muted); }
.plan-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; padding-right: 42px; }
.plan-head h3 { margin: 0; font-size: 1.02rem; }
.plan-dims { font-size: .84rem; color: var(--muted); }
.result-panel .plan-dims { color: var(--blade); }
.plan-item p { margin: 0 0 6px; font-size: .94rem; }
.plan-tip { color: var(--muted); font-size: .87rem; }
.result-panel .plan-tip { color: var(--on-ink-muted); }

/* Lists ------------------------------------------------------------------------------ */
.steps { padding-left: 0; list-style: none; counter-reset: st; display: grid; gap: 12px; margin: 0; }
.steps li { counter-increment: st; padding-left: 44px; position: relative; }
.steps li::before {
    content: counter(st); position: absolute; left: 0; top: 0;
    width: 28px; height: 28px; border: 2px solid var(--ink); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--mono); font-weight: 700; font-size: .85rem; background: var(--blade-soft);
}
.feature-list { list-style: none; padding: 0; margin: 0 0 1em; display: grid; gap: 8px; }
.feature-list li { padding-left: 22px; position: relative; }
.feature-list li::before { content: "—"; position: absolute; left: 0; color: var(--blade); font-weight: 800; }
.warning-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.warning-list li { padding-left: 26px; position: relative; }
.warning-list li::before { content: "!"; position: absolute; left: 0; top: 1px; width: 17px; height: 17px; border-radius: 50%; background: var(--risk); color: #fff; font-weight: 800; font-size: .72rem; display: flex; align-items: center; justify-content: center; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.checklist li { padding-left: 26px; position: relative; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.checklist-card { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--ok); border-radius: var(--r-lg); padding: 20px 22px; }

/* Hub sections ------------------------------------------------------------------------- */
.anchor-nav { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 16px; }
.anchor-nav span { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.anchor-nav a { text-decoration: none; font-weight: 650; font-size: .88rem; border: 1.5px solid var(--line2); border-radius: 999px; padding: 5px 13px; }
.anchor-nav a:hover { border-color: var(--ink); background: var(--blade-soft); }
.hub-trap { scroll-margin-top: 84px; }
.hub-trap-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 22px; align-items: start; margin-top: 10px; }

/* FAQ ------------------------------------------------------------------------------------ */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary { padding: 15px 4px; font-weight: 700; cursor: pointer; list-style-position: outside; }
.faq summary:hover { color: var(--ink); background: var(--blade-soft); }
.faq details p { padding: 0 4px 16px; margin: 0; max-width: 74ch; color: var(--ink-soft); }

/* Related / CTA ---------------------------------------------------------------------------- */
.related-links h2 { font-size: 1.05rem; }
.link-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.link-grid a { border: 1.5px solid var(--line2); border-radius: 999px; padding: 7px 15px; text-decoration: none; font-weight: 600; font-size: .88rem; background: var(--card); }
.link-grid a:hover { border-color: var(--ink); background: var(--blade-soft); }
.cta-banner { display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap; background: var(--blade-soft); border: 1.5px solid var(--ink); border-radius: var(--r-lg); padding: 20px 24px; }
.cta-banner h2 { margin-bottom: 4px; font-size: 1.15rem; }
.cta-banner p { margin: 0; color: var(--ink-soft); max-width: 56ch; }

/* Search ------------------------------------------------------------------------------------- */
.search-form { display: flex; gap: 10px; }
.search-form input { flex: 1; border: 1.5px solid var(--ink); border-radius: var(--r); padding: 11px 14px; background: var(--card); }
.search-h { margin-top: 22px; font-size: 1.05rem; }

/* Ads & notes --------------------------------------------------------------------------------- */
.ad-slot { background: var(--wash); border: 1px dashed var(--line2); border-radius: var(--r); padding: 10px; text-align: center; }
.ad-label { font-family: var(--mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 6px; }
.affiliate-note { font-size: .8rem; color: var(--muted); margin: 0 0 10px; max-width: 80ch; }
.print-card { background: var(--paper); border: 1.5px dashed var(--line2); border-radius: var(--r); padding: 18px 20px; font-family: var(--mono); font-size: .92rem; }
.print-card p { margin-bottom: 10px; }

/* Footer ---------------------------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--on-ink-muted); margin-top: 40px; border-top: 4px solid var(--blade); }
.footer-grid { max-width: var(--maxw); margin: 0 auto; padding: 40px 20px 48px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h2 { color: var(--on-ink); font-size: 1.05rem; }
.site-footer h3 { color: var(--on-ink); font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; }
.site-footer nav { display: flex; flex-direction: column; }
.site-footer a { color: var(--on-ink-muted); text-decoration: none; padding: 4px 0; }
.site-footer a:hover { color: var(--blade); }
.site-footer .small { font-size: .78rem; }
.f-about p { max-width: 42ch; }

/* Focus & motion ----------------------------------------------------------------------------------- */
:focus-visible { outline: 3px solid var(--blade); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
    html { scroll-behavior: auto; }
}

/* Responsive ------------------------------------------------------------------------------------------ */
@media (max-width: 1020px) {
    .hero { grid-template-columns: 1fr; }
    .tool-layout { grid-template-columns: 1fr; }
    .tool-side { position: static; }
    .landing-lead { grid-template-columns: 1fr; }
    .hub-trap-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
    body { font-size: 16px; }
    .site-main { padding: 20px 16px 56px; }
    .two-col { grid-template-columns: 1fr; }
    .field-grid, .adv-grid { grid-template-columns: 1fr; }
    .decision-grid { grid-template-columns: 1fr; }
    .hub-index { grid-template-columns: 1fr; }
    .result-actions { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-banner { flex-direction: column; align-items: flex-start; }
}

/* Print: the plan sheet -------------------------------------------------------------------------------- */
@media print {
    .site-header, .site-footer, .top-nav, .breadcrumbs, .ad-slot, .fit-form,
    .hero-actions, .form-actions, .result-actions, .related-links, .faq,
    .anchor-nav, .cta-banner, .scenario-card, .tool-card, .button, .chip { display: none !important; }
    body { background: #fff; color: #000; font-size: 12.5px; }
    .site-main { padding: 0; max-width: none; }
    .result-panel { background: #fff; color: #000; border: 2px solid #000; }
    .metric strong, .result-panel a, .result-panel .plan-dims { color: #000; }
    .metric { border-color: #000; background: #fff; }
    .risk-box { border-left-color: #000; background: #fff; }
    .card, .table-wrap, .plan-item, .cab-figure { border-color: #000; break-inside: avoid; }
    a { text-decoration: none; }
    .print-block { break-inside: avoid; }
}