/* reifenindex — one stylesheet, no build step.
   The site borrows the tyre sidewall: rubber black, raised off-white lettering
   in a wide face, and the yellow balance dot painted on new tyres, which here
   marks the best value in a column and nothing else. */

@font-face { font-family: "Saira"; font-weight: 100 900; font-stretch: 100% 125%; font-display: swap; src: url("fonts/saira-latin-wdth-normal.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Saira"; font-weight: 100 900; font-stretch: 100% 125%; font-display: swap; src: url("fonts/saira-latin-ext-wdth-normal.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Barlow"; font-weight: 400; font-display: swap; src: url("fonts/barlow-latin-400-normal.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Barlow"; font-weight: 400; font-display: swap; src: url("fonts/barlow-latin-ext-400-normal.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Barlow"; font-weight: 500; font-display: swap; src: url("fonts/barlow-latin-500-normal.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Barlow"; font-weight: 500; font-display: swap; src: url("fonts/barlow-latin-ext-500-normal.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Barlow"; font-weight: 600; font-display: swap; src: url("fonts/barlow-latin-600-normal.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Barlow"; font-weight: 600; font-display: swap; src: url("fonts/barlow-latin-ext-600-normal.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }

:root {
    /* rubber: the shell */
    --rubber: #16171A;
    --rubber-2: #202226;
    --rubber-3: #2B2D31;
    --rubber-line: #3A3D43;
    --letter: #ECECE8;
    --letter-dim: #A9ACB2;

    /* the work areas */
    --ground: #F4F3EF;
    --surface: #FFFFFF;
    --ink: #16171A;
    --muted: #5B5E64;
    --line: #E1E0DA;
    --line-strong: #C6C5BE;

    /* balance dots: yellow marks the best value, red marks a warning */
    --dot: #F2C230;
    --dot-red: #C8352B;

    /* EU tyre label scale, A to E, kept official */
    --grade-a: #00873E;
    --grade-b: #4DA82C;
    --grade-c: #B5CC1A;
    --grade-d: #F5D20A;
    --grade-e: #F08A1C;

    --sans: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
    --wide: "Saira", "Barlow", system-ui, sans-serif;

    --t-xs: 0.8125rem;
    --t-sm: 0.875rem;
    --t-base: 1.0625rem;
    --t-lg: 1.25rem;
    --t-xl: 1.625rem;
    --t-2xl: clamp(2rem, 4.5vw, 3.25rem);

    --measure: 68ch;
    --gutter: clamp(1rem, 4.4vw, 4rem);
    --radius: 6px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--line-strong) var(--ground); }

body {
    margin: 0;
    min-height: 100vh; display: flex; flex-direction: column;
    background: var(--ground);
    color: var(--ink);
    font-family: var(--sans);
    font-size: var(--t-base);
    line-height: 1.55;
    font-variant-numeric: tabular-nums;
    caret-color: var(--ink);
}
main { flex: 1; }

::selection { background: var(--dot); color: var(--rubber); }

a { color: var(--ink); text-decoration-color: var(--line-strong); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; border-radius: 2px; }
.rub :focus-visible { outline-color: var(--dot); }

h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 600; text-wrap: balance; }
p { margin: 0; }

.wrap { max-width: 82rem; margin: 0 auto; padding: 0 var(--gutter); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.skip {
    position: absolute; left: -999px; top: 0; padding: 0.5rem 1rem;
    background: var(--dot); color: var(--rubber); z-index: 10; font-weight: 600;
}
.skip:focus { left: 1rem; top: 1rem; }

/* raised lettering: the wide face, set like the moulded type on a sidewall */
.raised { font-family: var(--wide); font-stretch: 125%; font-weight: 800; letter-spacing: 0.02em; }
.rub .raised { color: var(--letter); text-shadow: 0 -1px 0 rgba(255, 255, 255, 0.18), 0 2px 0 #0B0C0D; }

/* tracked caps for labels and the DOT line */
.caps { font-family: var(--wide); font-stretch: 112%; font-weight: 600; font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------------------------------------------------------------- shell */

.rub { background: var(--rubber); color: var(--letter); }
.rub a { color: var(--letter); text-decoration-color: var(--rubber-line); }
.rub a:hover { text-decoration-color: var(--letter); }

.top { border-bottom: 1px solid var(--rubber-3); }
.top__inner { display: flex; align-items: center; gap: 1.5rem 2.5rem; min-height: 4rem; flex-wrap: wrap; }
.wordmark { font-size: 1.375rem; text-decoration: none; margin-right: auto; }
.wordmark span { color: var(--dot); }
.top nav { display: flex; gap: 1.75rem; }
.top nav a { text-decoration: none; font-weight: 500; padding: 0.25rem 0; border-bottom: 2px solid transparent; }
.top nav a:hover { border-bottom-color: var(--letter-dim); }
.top nav a[aria-current="page"] { border-bottom-color: var(--dot); }

.quick { display: flex; }
.quick input {
    width: 18rem; font: inherit; font-size: 0.9375rem; color: var(--letter);
    background: var(--rubber-3); border: 1px solid var(--rubber-line); border-right: 0;
    border-radius: var(--radius) 0 0 var(--radius); padding: 0.45rem 0.8rem;
}
.quick input::placeholder { color: var(--letter-dim); }
.quick button {
    font: inherit; font-weight: 600; font-size: 0.9375rem; cursor: pointer;
    color: var(--rubber); background: var(--letter); border: 1px solid var(--letter);
    border-radius: 0 var(--radius) var(--radius) 0; padding: 0.45rem 0.9rem;
}
.quick button:hover { background: var(--dot); border-color: var(--dot); }

/* the sidewall band under the nav: crumb, the raised title, the DOT line */
.band { position: relative; overflow: hidden; }
.band__inner { position: relative; padding-top: 1.5rem; padding-bottom: 1.75rem; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.5rem; }
.crumbs { font-size: var(--t-sm); color: var(--letter-dim); }
.crumbs a { color: var(--letter-dim); }
.crumbs span[aria-hidden] { margin: 0 0.35rem; }

.arc { display: block; width: 100%; max-width: 72rem; height: auto; margin: -0.25rem auto 0; overflow: visible; }
.arc text { font-family: var(--wide); font-stretch: 125%; font-weight: 800; letter-spacing: 4px; }
.arc .arc__shade { fill: #08090A; }
.arc .arc__face { fill: var(--letter); }
.arc .arc__over { fill: var(--letter-dim); font-weight: 600; font-stretch: 112%; letter-spacing: 10px; }
.arc .arc__groove { fill: none; stroke: var(--rubber-2); stroke-width: 2; }
.arc__turn { transform-box: view-box; transform-origin: 600px 1550px; animation: turn 1100ms var(--ease) both; }
@keyframes turn { from { transform: rotate(-7deg); } to { transform: rotate(0); } }

.band__title { font-size: var(--t-2xl); line-height: 1.05; }

.band__foot { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 2rem; margin-top: 0.5rem; }
.dotline { --sep: calc(5px + 1.8rem); display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem var(--sep); overflow: hidden; color: var(--letter-dim); }
/* every item carries its separator and is pulled left by its width: a separator
   that lands at the start of a wrapped line falls outside the box and is clipped */
.dotline > span { margin-left: calc(-1 * var(--sep)); white-space: nowrap; }
.dotline > span::before {
    content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%;
    background: var(--rubber-line); margin: 0 0.9rem; vertical-align: 0.2em;
}
.dotline strong { color: var(--letter); font-weight: 700; }

/* ---------------------------------------------------------------- size picker */

.picker { display: flex; flex-wrap: wrap; align-items: end; gap: 1rem 1.5rem; }
.designation { display: flex; align-items: end; gap: 0.18em; }
.seg { display: flex; flex-direction: column; }
.seg__label { font-family: var(--sans); font-size: var(--t-xs); font-weight: 500; color: var(--letter-dim); padding-left: 0.1rem; letter-spacing: 0; text-transform: none; }
.seg select {
    font: inherit; color: inherit; background: transparent; cursor: pointer;
    border: 0; border-bottom: 3px solid var(--rubber-line); border-radius: 0;
    padding: 0 0.1em; appearance: none; -webkit-appearance: none; text-shadow: inherit;
}
.seg select:hover { border-bottom-color: var(--letter-dim); }
.seg select:focus-visible { outline: none; border-bottom-color: var(--dot); }
.seg option { color: var(--ink); background: var(--surface); text-shadow: none; }
.glyph { color: var(--letter-dim); line-height: 1; padding-bottom: 0.1em; text-shadow: none; }

.picker--hero .designation { font-size: clamp(2.6rem, 10.5vw, 7rem); line-height: 0.95; }
.picker--band .designation { font-size: 1.5rem; line-height: 1.1; }
.picker--band .seg__label { display: none; }
.picker--band .seg select { border-bottom-width: 2px; }

.button {
    display: inline-block; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1.2;
    background: var(--ink); color: var(--surface); border: 1px solid var(--ink);
    border-radius: var(--radius); padding: 0.7rem 1.25rem;
}
.button:hover { background: #000; color: var(--surface); }
.rub .button { background: var(--dot); color: var(--rubber); border-color: var(--dot); }
.rub .button:hover { background: #FFD24F; color: var(--rubber); }
.button--quiet { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.button--quiet:hover { background: var(--ground); color: var(--ink); border-color: var(--ink); }
.picker--band .button { padding: 0.4rem 0.9rem; font-size: var(--t-sm); }

/* ---------------------------------------------------------------- home */

.hero .band__inner { padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: clamp(2.5rem, 6vw, 4rem); gap: 0; }
.hero__title { font-size: clamp(1.75rem, 3.6vw, 2.75rem); max-width: 22ch; line-height: 1.1; }
.hero__lede { color: var(--letter-dim); margin-top: 0.85rem; max-width: 54ch; }
.hero .picker { margin-top: clamp(2rem, 5vw, 3.25rem); }
.hero__arcs { position: absolute; inset: auto 0 0 0; width: 100%; height: 100%; pointer-events: none; }
.hero__arcs path { fill: none; stroke: var(--rubber-2); stroke-width: 2; }

.freeform { margin-top: 2.25rem; max-width: 34rem; }
.freeform label { display: block; font-size: var(--t-sm); color: var(--letter-dim); margin-bottom: 0.4rem; }
.freeform__row { display: flex; }
.freeform input {
    flex: 1; min-width: 0; font: inherit; font-size: var(--t-lg); color: var(--letter);
    padding: 0.55rem 0.8rem; background: var(--rubber-3); border: 1px solid var(--rubber-line); border-right: 0;
    border-radius: var(--radius) 0 0 var(--radius);
}
.freeform input::placeholder { color: var(--letter-dim); }
.freeform input[aria-invalid="true"] { border-color: var(--dot-red); }
.freeform .button { border-radius: 0 var(--radius) var(--radius) 0; }
.field-error { color: #FF8F84; margin-top: 0.6rem; font-weight: 500; max-width: var(--measure); display: flex; gap: 0.6rem; align-items: baseline; }
.field-error::before, .warn::before {
    content: ""; flex: none; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--dot-red); transform: translateY(-0.05em);
}

.home { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; padding-top: 3rem; padding-bottom: 4rem; }
.block__title { font-size: var(--t-xl); font-family: var(--wide); font-stretch: 112%; font-weight: 700; margin-bottom: 0.4rem; }
.block__lede { color: var(--muted); margin-bottom: 1.25rem; max-width: var(--measure); }

.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
    display: inline-block; font-size: 1.125rem; text-decoration: none;
    background: var(--rubber); color: var(--letter); border-radius: var(--radius); padding: 0.45rem 0.9rem;
    transition: background 160ms var(--ease);
}
.chip:hover { background: var(--rubber-3); color: var(--letter); }
.chip.raised { text-shadow: 0 -1px 0 rgba(255, 255, 255, 0.18), 0 2px 0 #0B0C0D; font-stretch: 118%; font-weight: 700; }

.vehicle-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.vehicle-list a {
    display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
    padding: 0.85rem 0.25rem; border-bottom: 1px solid var(--line); text-decoration: none;
}
.vehicle-list a:hover { background: var(--surface); }
.vehicle-list__name { font-family: var(--wide); font-stretch: 112%; font-weight: 700; font-size: var(--t-lg); }
.vehicle-list__meta { color: var(--muted); font-size: var(--t-sm); white-space: nowrap; }

/* ---------------------------------------------------------------- catalogue: filters + results */

.catalog { display: grid; grid-template-columns: 14.5rem minmax(0, 1fr); gap: 3rem; align-items: start; padding-top: 2rem; padding-bottom: 4rem; }

.filters { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; scrollbar-width: thin; }
.filters__form { display: grid; gap: 1.5rem; }
.filters fieldset { border: 0; margin: 0; padding: 0; min-width: 0; display: grid; gap: 0.1rem; }
.filters legend, .sort > span { color: var(--muted); padding: 0; margin-bottom: 0.5rem; }
.check { display: flex; align-items: center; gap: 0.6rem; padding: 0.22rem 0; cursor: pointer; }
.check input { width: 1.1rem; height: 1.1rem; margin: 0; accent-color: var(--ink); flex: none; }
.check__n { margin-left: auto; color: var(--muted); font-size: var(--t-sm); }
.sort { display: flex; align-items: center; gap: 0.5rem; margin-left: auto; }
.sort label { color: var(--muted); }
.js .sort .button { display: none; }
.sort select {
    font: inherit; padding: 0.5rem 0.6rem; border: 1px solid var(--line-strong); border-radius: var(--radius);
    background: var(--surface); color: var(--ink);
}
.filters__actions { position: sticky; bottom: 0; display: flex; align-items: center; gap: 1rem; padding: 0.75rem 0; background: var(--ground); }
.js .filters__actions .button { display: none; }

.catalog__status { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.5rem; color: var(--muted); margin-bottom: 0.85rem; font-size: var(--t-sm); }
.legend { display: inline-flex; align-items: center; gap: 0.5rem; }

/* the balance dot */
.best { position: relative; }
.best::after {
    content: ""; position: absolute; top: -0.25rem; right: -0.6rem; width: 0.6rem; height: 0.6rem;
    border-radius: 50%; background: var(--dot); box-shadow: 0 0 0 2px var(--surface);
}
.legend .best { width: 0.6rem; height: 0.6rem; }
.legend .best::after { top: 0; right: 0; box-shadow: none; }

.results { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.results thead th {
    color: var(--muted); text-align: left; padding: 0.8rem 1rem; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.results thead a { color: inherit; text-decoration: none; }
.results thead a:hover { color: var(--ink); text-decoration: underline; }
.results thead [aria-sort] a { color: var(--ink); }
.results thead [aria-sort] a::after { content: ""; display: inline-block; margin-left: 0.4rem; border: 4px solid transparent; border-top-color: currentColor; transform: translateY(2px); }
.results abbr { text-decoration: none; cursor: help; }
.results td, .results tbody th { padding: 1rem; border-bottom: 1px solid var(--line); vertical-align: middle; text-align: left; font-weight: 400; }
.results tbody tr:last-child > * { border-bottom: 0; }
.results tbody tr { transition: background 120ms var(--ease); }
.results tbody tr:hover { background: #FAFAF7; }
.results .num { text-align: right; }
.results .mid { text-align: center; width: 6.5rem; }

.result__name { display: block; font-size: var(--t-lg); text-decoration: none; }
.result__name:hover { text-decoration: underline; }
.result__name b { font-weight: 600; }
.result__name--size { font-family: var(--wide); font-stretch: 118%; font-weight: 700; }
.result__spec { display: flex; flex-wrap: wrap; gap: 0.4rem 0.6rem; align-items: center; color: var(--muted); margin-top: 0.2rem; font-size: 0.9375rem; }
.result__score { display: block; font-size: var(--t-sm); color: var(--muted); margin-top: 0.25rem; }
.result__score strong { font-family: var(--wide); font-stretch: 112%; font-size: 1.125rem; color: var(--ink); }
.result__price { white-space: nowrap; }

.index { font-family: var(--wide); font-stretch: 112%; font-weight: 700; font-size: 1rem; color: var(--ink); }
.tag {
    font-family: var(--wide); font-stretch: 112%; font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.08em;
    color: var(--ink); border: 1px solid var(--line-strong); border-radius: 3px; padding: 0.05rem 0.4rem; line-height: 1.5;
}
.tag--unknown { border-style: dashed; color: var(--muted); font-weight: 600; }
.stamp {
    font-family: var(--wide); font-stretch: 112%; font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--rubber); background: var(--letter); border: 1px solid var(--rubber); border-radius: 3px; padding: 0.05rem 0.45rem; line-height: 1.5;
}

.price { display: inline-block; font-family: var(--wide); font-stretch: 112%; font-weight: 700; font-size: 1.375rem; line-height: 1.15; }
.price--none {
    font-family: var(--sans); font-size: var(--t-sm); font-weight: 500; color: var(--muted); white-space: normal;
    border: 1px dashed var(--line-strong); border-radius: 4px; padding: 0.2rem 0.5rem;
}
.nowrap { white-space: nowrap; }
.price__source { display: block; font-size: var(--t-xs); color: var(--muted); margin-top: 0.15rem; }
.price__source a { color: var(--muted); }
.price__was { display: block; font-size: var(--t-xs); color: var(--muted); }
.price__was s { text-decoration-thickness: 1px; }
.price__was--down { color: var(--grade-a); }

/* EU label grades: the official colours, always with the letter */
.grade {
    display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 4px;
    font-family: var(--wide); font-stretch: 112%; font-weight: 800; font-size: 1.0625rem; color: #fff;
}
.grade--a { background: var(--grade-a); }
.grade--b { background: var(--grade-b); }
.grade--c { background: var(--grade-c); color: var(--ink); }
.grade--d { background: var(--grade-d); color: var(--ink); }
.grade--e { background: var(--grade-e); color: var(--ink); }
.grade--none { background: transparent; color: var(--muted); border: 1.5px dashed var(--line-strong); font-weight: 500; }
.noise { font-family: var(--wide); font-stretch: 112%; font-weight: 700; }
.unknown { color: var(--muted); border-bottom: 1.5px dashed var(--line-strong); }

.empty { color: var(--muted); padding: 2rem 0; max-width: var(--measure); display: grid; gap: 1rem; justify-items: start; }

.warn { display: flex; gap: 0.6rem; align-items: baseline; }

/* ---------------------------------------------------------------- model page */

.page { padding-top: 2.5rem; padding-bottom: 4rem; display: grid; gap: 3.5rem; }
.section__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.5rem 1.5rem; margin-bottom: 1rem; }
.section__head p { color: var(--muted); font-size: var(--t-sm); }

.score { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.5rem 3rem; align-items: start; }
.score__value { font-family: var(--wide); font-stretch: 125%; font-weight: 800; font-size: 4.5rem; line-height: 1; }
.score__value span { font-size: 1.25rem; color: var(--muted); font-weight: 600; }
.score__note { color: var(--muted); margin-top: 0.5rem; font-size: var(--t-sm); max-width: 28ch; }
.criteria { width: 100%; border-collapse: collapse; font-size: var(--t-sm); }
.criteria th, .criteria td { padding: 0.55rem 0.75rem 0.55rem 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.criteria thead th { color: var(--muted); }
.criteria tbody th { font-weight: 500; }
.criteria .num { text-align: right; }
.criteria__src { color: var(--muted); }
.bar { display: inline-block; width: 6rem; height: 0.4rem; background: var(--line); border-radius: 2px; vertical-align: middle; overflow: hidden; margin-right: 0.5rem; }
.bar__fill { display: block; height: 100%; width: calc(var(--v) * 1%); background: var(--ink); }

.tests { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: 1rem; }
.test { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; display: grid; gap: 0.35rem; align-content: start; }
.test__name { color: var(--muted); }
.test__result { font-family: var(--wide); font-stretch: 118%; font-size: var(--t-xl); font-weight: 800; line-height: 1.1; }
.test__detail { color: var(--muted); font-size: 0.9375rem; }

/* ---------------------------------------------------------------- vehicle page */

.versions { padding-top: 2rem; padding-bottom: 4rem; display: grid; }
.version { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.disclose { list-style: none; }
.disclose::-webkit-details-marker { display: none; }
.filters > summary.disclose { display: flex; justify-content: space-between; align-items: center; }
.filters > summary.disclose::after {
    content: ""; width: 0.55rem; height: 0.55rem; margin-right: 0.25rem;
    border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); transition: transform 200ms var(--ease);
}
.filters[open] > summary.disclose::after { transform: rotate(225deg); }
.version > summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.25rem 1.5rem; align-items: center; padding: 1.1rem 1.25rem; cursor: pointer; list-style: none; }
.version > summary::-webkit-details-marker { display: none; }
.version > summary::after {
    content: ""; grid-column: 2; grid-row: 1 / span 2; width: 0.6rem; height: 0.6rem;
    border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); transition: transform 200ms var(--ease);
}
.version[open] > summary::after { transform: rotate(225deg); }
.version__title span { font-family: var(--sans); font-stretch: 100%; font-weight: 500; font-size: var(--t-base); color: var(--muted); margin-left: 0.4rem; }
.version > summary:hover .version__title { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.2em; }
.version__rims { display: flex; flex-wrap: wrap; gap: 0.4rem; grid-column: 1; margin-top: 0.4rem; }
.version__body { padding: 0 1.25rem; border-top: 1px solid var(--line); }
.version[open] { overflow: hidden; }
.versions { gap: 0.75rem; }
.version__title { font-family: var(--wide); font-stretch: 118%; font-weight: 800; font-size: var(--t-xl); }
.version__meta { color: var(--muted); margin-top: 0.3rem; }

.set { margin: 1rem -1.25rem 0; }
.set + .set { margin-top: 0; }
.set__head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 0.5rem 2rem; align-items: center; padding: 1.1rem 1.25rem; background: var(--rubber); color: var(--letter); }
.set__rim { font-size: 2rem; line-height: 1; }
.set__sizes { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; color: var(--letter-dim); }
.set__sizes strong { font-family: var(--wide); font-stretch: 112%; color: var(--letter); }
.set__price { text-align: right; color: var(--letter-dim); font-size: var(--t-sm); }
.set__price strong { display: block; font-family: var(--wide); font-stretch: 112%; font-size: 1.5rem; color: var(--letter); }
.set__note { padding: 0.75rem 1.25rem; border-bottom: 1px solid var(--line); color: var(--muted); font-size: var(--t-sm); }

.axle { padding: 1rem 1.25rem 0.5rem; }
.axle + .axle { border-top: 1px solid var(--line); }
.axle__title { font-size: var(--t-base); font-weight: 600; display: flex; flex-wrap: wrap; gap: 0.4rem 0.75rem; align-items: baseline; }
.axle__title a { font-family: var(--wide); font-stretch: 112%; font-weight: 700; }
.axle__min { font-weight: 400; color: var(--muted); font-size: var(--t-sm); }
.axle__tyres { list-style: none; margin: 0.5rem 0 0; padding: 0; }
.axle__tyres li {
    display: grid; grid-template-columns: minmax(0, 1fr) auto auto 7.5rem; gap: 1rem; align-items: center;
    padding: 0.55rem 0; border-top: 1px solid var(--line);
}
.axle__tyre { display: flex; flex-wrap: wrap; gap: 0.25rem 0.6rem; align-items: center; }
.axle__grades { display: flex; gap: 0.35rem; }
.axle__grades .grade { width: 1.6rem; height: 1.6rem; font-size: 0.9375rem; }
.axle__price { font-family: var(--wide); font-stretch: 112%; font-weight: 700; font-size: 1.125rem; }
.disclaimer { margin-top: 1.25rem; color: var(--muted); font-size: var(--t-sm); max-width: var(--measure); }

/* ---------------------------------------------------------------- footer, errors */

.foot { margin-top: auto; }
.foot__inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: start; gap: 1.25rem 3rem; padding-top: 2rem; padding-bottom: 2.5rem; color: var(--letter-dim); font-size: var(--t-sm); }
.foot__inner p { max-width: 62ch; }
.foot .wordmark { font-size: 1.125rem; margin: 0; }

.error-page { padding-top: 3rem; padding-bottom: 4rem; display: grid; gap: 1.25rem; justify-items: start; }
.error-page > p { max-width: var(--measure); }
.error-page__detail { background: var(--surface); border: 1px solid var(--line); padding: 1rem; overflow-x: auto; font-size: var(--t-sm); max-width: 100%; }

/* ---------------------------------------------------------------- narrower screens */

@media (min-width: 861px) {
    .filters > summary, .filters > summary.disclose { display: none; }
    .filters::details-content { content-visibility: visible; height: auto; }
}

@media (max-width: 860px) {
    .catalog { grid-template-columns: minmax(0, 1fr); gap: 1rem; padding-top: 1.25rem; }
    .filters { position: static; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
    .filters > summary { padding: 0.8rem 1rem; font-weight: 600; cursor: pointer; }
    .filters__form { padding: 0 1rem 1rem; }
    .home { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
    .score { grid-template-columns: minmax(0, 1fr); }
    .quick { order: 3; width: 100%; padding-bottom: 0.75rem; }
    .quick input { flex: 1; width: auto; min-width: 0; }
}

@media (max-width: 720px) {
    .top__inner { gap: 0.75rem 1.25rem; }
    .top nav { gap: 1.1rem; }
    .band__inner { overflow: hidden; }
    .arc { width: var(--arc-w, 160%); max-width: none; margin: 0.25rem 0 0 calc((100% - var(--arc-w, 160%)) / 2); }
    .block__title { font-size: 1.3rem; }

    /* results table becomes one complete card per tyre */
    .results thead { display: none; }
    .results, .results tbody { display: block; }
    .results { border: 0; background: transparent; }
    .results tbody tr {
        display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.85rem 0.75rem; align-items: center;
        background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 1rem; margin-bottom: 0.6rem;
    }
    .results tbody tr:hover { background: var(--surface); }
    .results td, .results tbody th { padding: 0; border: 0; width: auto; }
    .results tbody th { grid-column: 1 / 3; align-self: start; }
    .results .mid { display: flex; align-items: center; gap: 0.4rem; text-align: left; width: auto; }
    .results .mid::before { content: attr(data-label); font-size: 0.75rem; color: var(--muted); }
    .results td.result__price { grid-column: 3; grid-row: 1; align-self: start; text-align: right; white-space: normal; min-width: 0; }
    .price { font-size: 1.25rem; }

    .set__head { grid-template-columns: auto minmax(0, 1fr); }
    .set__price { grid-column: 1 / -1; text-align: left; }
    .axle__tyres li { grid-template-columns: minmax(0, 1fr) auto; }
    .axle__grades { grid-column: 1; }
    .criteria .criteria__src { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
}