/* carbyte — site.css
   Paleta: papier / grafit / jeden pomarańczowy akcent. Bez cieni, bez gradientów.
   Fonty: Archivo (zmienna szerokość) + IBM Plex Mono, hostowane lokalnie. */

@font-face { font-family: "Archivo"; font-style: normal; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap;
  src: url(../fonts/archivo-latin-wdth-normal.woff2) format("woff2-variations");
  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: "Archivo"; font-style: normal; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap;
  src: url(../fonts/archivo-latin-ext-wdth-normal.woff2) format("woff2-variations");
  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: "Plex Mono"; font-weight: 400; font-display: swap; src: url(../fonts/plex-mono-latin-400.woff2) format("woff2"); unicode-range: U+0000-00FF, U+2000-206F, U+2212; }
@font-face { font-family: "Plex Mono"; font-weight: 400; font-display: swap; src: url(../fonts/plex-mono-latin-ext-400.woff2) format("woff2"); unicode-range: U+0100-02BA, U+1E00-1EFF; }
@font-face { font-family: "Plex Mono"; font-weight: 500; font-display: swap; src: url(../fonts/plex-mono-latin-500.woff2) format("woff2"); unicode-range: U+0000-00FF, U+2000-206F, U+2212; }
@font-face { font-family: "Plex Mono"; font-weight: 500; font-display: swap; src: url(../fonts/plex-mono-latin-ext-500.woff2) format("woff2"); unicode-range: U+0100-02BA, U+1E00-1EFF; }

:root {
  --paper: #f3f1ec;
  --paper-2: #e8e5dd;
  --card: #fbfaf7;
  --ink: #151515;
  --ink-2: #3b3a37;
  --mute: #6b6962;
  --line: #d6d2c8;
  --line-2: #bfbab0;
  --accent: #ff5b1f;
  --accent-2: #e94a10;
  --ok: #1f7a4d;
  --err: #b42318;

  --sans: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gut: clamp(16px, 4vw, 40px);
  --r: 2px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 16px/1.55 var(--sans); font-stretch: 100%;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
h1, h2, h3 { margin: 0; font-weight: 650; line-height: 1.05; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent); color: var(--ink); }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 var(--gut); }
.narrow { max-width: 760px; }
.mono { font-family: var(--mono); font-size: .92em; letter-spacing: 0; }
.muted { color: var(--mute); }
.small { font-size: 14px; }
.sr, .hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 99; background: var(--ink); color: var(--paper); padding: 8px 12px; }

.eyebrow, .label {
  font: 500 12px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute);
  margin: 0 0 16px;
}
.h1 { font-size: clamp(34px, 5vw, 64px); font-stretch: 115%; max-width: 18ch; }
.h2 { font-size: clamp(26px, 3vw, 38px); font-stretch: 112%; }
.lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--ink-2); max-width: 60ch; }

/* ---------- strip + header ---------- */
.strip { background: var(--ink); color: #cfccc4; font: 400 12px/1 var(--mono); }
.strip__in { display: flex; justify-content: space-between; gap: 24px; padding-top: 10px; padding-bottom: 10px; }
.strip a { color: var(--paper); text-decoration: none; }
.strip a:hover { color: var(--accent); }
@media (max-width: 860px) { .strip__in > span { display: none; } .strip__in { justify-content: center; } }

.hdr { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px); -webkit-backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.hdr__in { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; height: 76px; }
.hdr__in > .brand { justify-self: start; }
.hdr__in > .cartlink { justify-self: end; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand__word { font-weight: 700; font-stretch: 125%; font-size: 21px; letter-spacing: -0.03em; }
.mark { width: 28px; height: 28px; }
.mark__byte { fill: var(--accent); }
.brand:hover .mark__byte { animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* menu na środku: większe, ciemniejsze, z wyraźnym stanem aktywnym */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { position: relative; text-decoration: none; font-size: 16px; font-weight: 500; font-stretch: 105%; letter-spacing: -0.005em;
  color: var(--ink); padding: 10px 16px; border-radius: var(--r); transition: background .15s; }
.nav a:hover { background: var(--paper-2); }
.nav a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav a:hover::after { transform: scaleX(.35); }
.nav a[aria-current]::after { transform: scaleX(1); }

/* koszyk: obramowany przycisk z ikoną i licznikiem */
.cartlink { display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 8px 0 14px;
  border: 1px solid var(--ink); border-radius: var(--r); text-decoration: none; font-size: 16px; font-weight: 500;
  color: var(--ink); transition: background .15s, color .15s; }
.cartlink:hover, .cartlink[aria-current] { background: var(--ink); color: var(--paper); }
.cartlink__ico { width: 22px; height: 22px; flex: none; }
.cartlink__n { font: 500 13px/1 var(--mono); min-width: 28px; height: 28px; display: inline-grid; place-items: center;
  border-radius: var(--r); padding: 0 7px; background: var(--paper-2); color: var(--mute); transition: background .15s, color .15s; }
.cartlink__n.has { background: var(--accent); color: var(--ink); }
.cartlink:hover .cartlink__n:not(.has), .cartlink[aria-current] .cartlink__n:not(.has) { background: #2c2b29; color: #bdb9b0; }
.cartlink__n.bump { animation: bump .45s ease; }
@keyframes bump { 40% { transform: scale(1.25); } }

.burger { display: none; width: 40px; height: 40px; border: 0; background: none; padding: 10px 8px; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 6px 0; transition: transform .2s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
@media (max-width: 860px) {
  .hdr__in { display: flex; gap: 12px; height: 64px; }
  .brand { margin-right: auto; }
  .cartlink { height: 40px; padding: 0 6px 0 10px; gap: 6px; }
  .cartlink__txt { display: none; }
  .nav { top: 64px; }
  .nav a { border-radius: 0; }
  .nav a::after { display: none; }
  .burger { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; margin: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px var(--gut) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 18px; }
  .nav a:hover { background: none; }
  .nav a[aria-current] { color: var(--accent-2); }
}

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 50px; padding: 0 24px;
  font: 500 15px/1 var(--sans); text-decoration: none; border-radius: var(--r); border: 1px solid var(--ink);
  cursor: pointer; transition: background .15s, color .15s, border-color .15s; white-space: nowrap; }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: #000; }
.btn--line { background: transparent; color: var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--paper); }
.btn--accent { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.btn--accent:hover { background: var(--paper); border-color: var(--paper); }
.btn--block { width: 100%; }
.btn--grow { flex: 1; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn.is-loading { pointer-events: none; opacity: .7; }

.arrow { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.arrow::after { content: "→"; transition: transform .15s; }
.arrow:hover::after { transform: translateX(3px); }
.arrow--back::after { content: none; }
.arrow--back::before { content: "←"; }

/* ---------- hero ---------- */
.hero { padding: clamp(40px, 7vw, 96px) 0 0; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 4vw, 64px); align-items: center; }
.hero__h { font-size: clamp(42px, 6.6vw, 92px); font-stretch: 118%; line-height: .95; letter-spacing: -0.035em; margin-bottom: 28px; }
.hero__lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 46ch; margin-bottom: 32px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__fig { margin: 0; }
@media (max-width: 860px) { .hero__grid { grid-template-columns: 1fr; } .hero__fig { max-width: 440px; } }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: clamp(48px, 7vw, 88px) 0 0; border-top: 1px solid var(--ink); }
.facts > div { padding: 20px 24px 28px 0; }
.facts > div + div { border-left: 1px solid var(--line); padding-left: 24px; }
.facts dt { font: 500 clamp(26px, 3vw, 36px)/1 var(--mono); letter-spacing: -0.02em; margin-bottom: 10px; }
.facts dd { margin: 0; color: var(--mute); font-size: 14px; max-width: 30ch; }
@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; }
  .facts > div + div { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
}

/* ---------- sections ---------- */
.sec { padding: clamp(56px, 8vw, 112px) 0; }
.sec--tight { padding-top: 8px; }
.sec--rule { border-top: 1px solid var(--line); }
.sec__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 32px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.split .h2 { margin-bottom: 20px; }
.split--form { grid-template-columns: 5fr 7fr; }
@media (max-width: 860px) { .split, .split--form { grid-template-columns: 1fr; } }

.pagehead { padding: clamp(40px, 6vw, 72px) 0 32px; }
.pagehead .h1 { margin-bottom: 0; }

/* ---------- product grid / cards ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 980px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--paper); }
.card__link { display: flex; flex-direction: column; height: 100%; text-decoration: none; }
.card__img { position: relative; background: var(--paper-2); aspect-ratio: 4 / 3; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s cubic-bezier(.2,.7,.2,1); }
.card__link:hover .card__img img { transform: scale(1.03); }
.card__code { position: absolute; top: 12px; left: 12px; font: 500 11px/1 var(--mono); letter-spacing: .06em;
  background: var(--paper); padding: 5px 7px; border-radius: var(--r); }
.card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; margin-bottom: 6px; }
.card__link:hover .card__title { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.card__fits { font-size: 14px; color: var(--mute); margin-bottom: 16px; }
.card__price { margin: auto 0 0; font: 500 15px/1 var(--mono); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.filters a { text-decoration: none; font-size: 14px; padding: 8px 14px; border: 1px solid var(--line-2); border-radius: 100px; }
.filters a:hover { border-color: var(--ink); }
.filters a[aria-current] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.note { margin-top: 32px; padding: 16px 20px; border-left: 3px solid var(--accent); background: var(--card); font-size: 15px; }
.note p { margin: 0; }

/* ---------- table ---------- */
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; }
.tbl th { text-align: left; font: 500 11px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mute);
  padding: 0 16px 12px 0; border-bottom: 1px solid var(--ink); }
.tbl td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }

/* ---------- steps ---------- */
.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 48px); }
.steps li { border-top: 1px solid var(--ink); padding-top: 20px; }
.steps__n { display: block; font-size: 13px; color: var(--accent-2); margin-bottom: 28px; }
.steps h3 { font-size: 20px; font-stretch: 110%; margin-bottom: 10px; }
.steps p { color: var(--ink-2); margin: 0; }
.steps--v { grid-template-columns: 1fr; margin-top: 0; gap: 28px; margin-bottom: 32px; }
.steps--v .steps__n { margin-bottom: 12px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* ---------- dark band ---------- */
.band { background: var(--ink); color: var(--paper); padding: clamp(48px, 7vw, 88px) 0; }
.band__in { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; }
.band__h { font-size: clamp(28px, 3.6vw, 46px); font-stretch: 115%; margin-bottom: 18px; max-width: 22ch; }
.band p { color: #bdb9b0; max-width: 58ch; margin: 0; }
@media (max-width: 760px) { .band__in { grid-template-columns: 1fr; } }

/* ---------- faq ---------- */
.faq { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.faq__list details { border-top: 1px solid var(--line); }
.faq__list details:last-child { border-bottom: 1px solid var(--line); }
.faq__list summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font-weight: 550; font-size: 17px; }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font: 400 24px/1 var(--mono); transition: transform .2s; }
.faq__list details[open] summary::after { transform: rotate(45deg); }
.faq__list p { color: var(--ink-2); padding-bottom: 12px; max-width: 64ch; }
@media (max-width: 760px) { .faq { grid-template-columns: 1fr; gap: 16px; } }

/* ---------- product page ---------- */
.pd { padding: 24px 0 clamp(48px, 7vw, 96px); }
.crumbs { display: flex; gap: 10px; font-size: 13px; color: var(--mute); margin-bottom: 24px; flex-wrap: wrap; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.pd__grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.pd__img { margin: 0; background: var(--paper-2); position: sticky; top: 100px; }
.pd__media { position: sticky; top: 100px; }
.pd__media .pd__img { position: static; }
.pd__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.pd__thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 8px; margin-top: 8px; }
.pd__thumbs button { padding: 0; border: 1px solid transparent; background: var(--paper-2); cursor: pointer; aspect-ratio: 4 / 3; }
.pd__thumbs button[aria-current] { border-color: var(--ink); }
.pd__thumbs img { width: 100%; height: 100%; object-fit: cover; }
.avail { display: flex; align-items: center; gap: 8px; font-size: 14px; margin: -16px 0 28px; }
.avail__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); flex: none; }
.avail__dot--shelf { background: var(--ok); }
.avail__dot--off { background: var(--err); }
.card__badge { position: absolute; top: 12px; right: 12px; font: 500 11px/1 var(--mono); background: var(--ok); color: #fff; padding: 5px 7px; border-radius: var(--r); }
.card__badge--off { background: var(--ink); }
.pd__img figcaption { font-size: 11px; color: var(--mute); padding: 10px 14px; border-top: 1px solid var(--line); background: var(--paper); }
.pd__h { font-size: clamp(28px, 3vw, 40px); font-stretch: 110%; margin-bottom: 14px; }
.pd__short { color: var(--ink-2); font-size: 17px; }
.pd__price { font: 500 28px/1 var(--mono); margin: 24px 0 6px; letter-spacing: -0.02em; }
.pd__vat { font-size: 13px; margin-bottom: 28px; }
.pd__fits { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.pd__fits ul { margin: 0 0 12px; padding: 0; list-style: none; }
.pd__fits li { padding: 6px 0 6px 18px; position: relative; }
.pd__fits li::before { content: ""; position: absolute; left: 0; top: 15px; width: 8px; height: 2px; background: var(--accent); }
.pd__more { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(28px, 5vw, 72px); margin-top: clamp(48px, 6vw, 80px); padding-top: 32px; border-top: 1px solid var(--ink); }
@media (max-width: 860px) {
  .pd__grid, .pd__more { grid-template-columns: 1fr; }
  .pd__img, .pd__media { position: static; }
}

.opt { border: 0; padding: 0; margin: 0 0 20px; display: grid; gap: 8px; }
.opt legend { font: 500 12px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mute); margin-bottom: 10px; padding: 0; }
.opt--row { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.opt__item { position: relative; cursor: pointer; }
.opt__item input { position: absolute; opacity: 0; pointer-events: none; }
.opt__item > span { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 14px 16px; border: 1px solid var(--line-2);
  border-radius: var(--r); background: var(--card); transition: border-color .15s; }
.opt__item small { grid-column: 1; color: var(--mute); font-size: 13px; }
.opt__item em { grid-row: 1; grid-column: 2; font-style: normal; font-size: 13px; }
.opt__item:hover > span { border-color: var(--ink-2); }
.opt__item input:checked + span { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.opt__item input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.opt__item--sm > span { display: flex; align-items: center; gap: 10px; padding: 11px 14px; font-size: 14px; }
.sw { width: 16px; height: 16px; border-radius: 50%; border: 1px solid var(--line-2); background: #222; flex: none; }
.sw[class*="graf"], .sw[class*="szar"] { background: #5a5c5e; } .sw[class*="bial"] { background: #f7f7f5; }
.sw[class*="czerw"] { background: #b3261e; } .sw[class*="nieb"] { background: #2457a6; } .sw[class*="ziel"] { background: #2f6b3a; }
.sw[class*="pomar"] { background: var(--accent); } .sw[class*="zolt"] { background: #f2c230; } .sw[class*="srebr"] { background: #b9bbbd; }

.buy__row { display: flex; gap: 10px; margin-top: 8px; }
.qty { display: inline-flex; border: 1px solid var(--ink); border-radius: var(--r); height: 50px; }
.qty button { width: 40px; border: 0; background: none; font: 400 20px/1 var(--mono); cursor: pointer; }
.qty button:hover { background: var(--paper-2); }
.qty input { width: 44px; border: 0; text-align: center; font: 500 15px var(--mono); background: transparent; -moz-appearance: textfield; appearance: textfield; }
.qty input::-webkit-inner-spin-button, .qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.qty--sm { height: 36px; }
.qty--sm button { width: 32px; font-size: 16px; }
.qty--sm input { width: 34px; font-size: 14px; }
.buy__ok { margin: 14px 0 0; font-size: 14px; padding: 10px 14px; background: var(--card); border-left: 3px solid var(--ok); }

.specs { margin: 0; }
.specs > div { display: flex; justify-content: space-between; gap: 24px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--mute); }
.specs dd { margin: 0; text-align: right; }
.specs--order { margin: 32px 0; border-top: 1px solid var(--ink); }
.specs--order dt { color: var(--ink); }
.specs__total { border-bottom: 0 !important; font-weight: 600; font-size: 18px; }

.prose { max-width: 68ch; }
.prose--wide { max-width: 820px; }
.prose h2 { font-size: 24px; font-stretch: 110%; margin: 48px 0 16px; }
.prose p, .prose li { color: var(--ink-2); }
.prose .lead { color: var(--ink); }
.legal ol, .legal ul { padding-left: 20px; }
.legal li { margin-bottom: 8px; }
.numlist { padding-left: 0; list-style: none; counter-reset: n; }
.numlist li { counter-increment: n; padding: 14px 0 14px 48px; border-bottom: 1px solid var(--line); position: relative; }
.numlist li::before { content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: 16px; font: 500 13px var(--mono); color: var(--accent-2); }

.mats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 32px 0; }
.mats article { background: var(--card); padding: 24px; }
.mats h3 { font-size: 28px; font-stretch: 120%; margin-bottom: 6px; }
.mats .mono { color: var(--accent-2); font-size: 13px; margin-bottom: 14px; }
.mats p:last-child { color: var(--ink-2); font-size: 15px; margin: 0; }
@media (max-width: 900px) { .mats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .mats { grid-template-columns: 1fr; } }

/* ---------- cart ---------- */
.cart__grid { display: grid; grid-template-columns: 1fr 380px; gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .cart__grid { grid-template-columns: 1fr; } }
.cart__list { list-style: none; margin: 0 0 28px; padding: 0; border-top: 1px solid var(--ink); }
.ci { display: grid; grid-template-columns: 112px 1fr auto; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: start; }
.ci__img { background: var(--paper-2); aspect-ratio: 4 / 3; }
.ci__img img { width: 100%; height: 100%; object-fit: cover; }
.ci__name { font-weight: 600; text-decoration: none; display: block; margin-bottom: 4px; line-height: 1.3; }
.ci__var { font-size: 14px; color: var(--mute); margin-bottom: 12px; }
.ci__ctl { display: flex; gap: 16px; align-items: center; }
.ci__rm { border: 0; background: none; padding: 0; font-size: 13px; color: var(--mute); text-decoration: underline; cursor: pointer; }
.ci__rm:hover { color: var(--err); }
.ci__price { font: 500 15px var(--mono); text-align: right; white-space: nowrap; }
@media (max-width: 520px) { .ci { grid-template-columns: 80px 1fr; } .ci__price { grid-column: 2; text-align: left; } }

.sum { background: var(--card); border: 1px solid var(--line); padding: 24px; position: sticky; top: 100px; }
.sum__rows { margin: 0; }
.sum__rows > div { display: flex; justify-content: space-between; padding: 8px 0; }
.sum__rows dt { color: var(--ink-2); }
.sum__rows dd { margin: 0; }
.sum__free { color: var(--ok); margin: 4px 0 0; min-height: 1em; }
.sum__total { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0; margin: 12px 0 16px; border-top: 1px solid var(--ink); font-weight: 600; }
.sum__total b { font-size: 22px; }
.sum .check { margin-bottom: 16px; }
.sum__err { color: var(--err); margin: 12px 0 0; }
.sum .btn + .small, .sum__err + .small { margin-top: 16px; }

.timeline { list-style: none; padding: 0; margin: 40px 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.timeline li { border-top: 3px solid var(--line); padding-top: 14px; display: flex; flex-direction: column; gap: 2px; font-size: 15px; }
.timeline li.is-done { border-color: var(--accent); }
.timeline span { color: var(--mute); font-size: 14px; }

/* ---------- forms ---------- */
.form { display: grid; gap: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form__row--3 { grid-template-columns: 2fr 1fr; }
@media (max-width: 560px) { .form__row, .form__row--3 { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.req { color: var(--accent-2); }
.field input, .field textarea, .field select {
  width: 100%; font: 400 16px/1.4 var(--sans); color: var(--ink); background: var(--card);
  border: 1px solid var(--line-2); border-radius: var(--r); padding: 13px 14px; transition: border-color .15s;
}
.field textarea { resize: vertical; min-height: 140px; }
.field select { appearance: none; -webkit-appearance: none; padding-right: 36px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23151515' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; }
.field input::placeholder, .field textarea::placeholder { color: #9a978f; }
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--ink-2); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); }
.field.is-err input, .field.is-err textarea { border-color: var(--err); }
.field__hint { font-size: 13px; color: var(--mute); margin: 6px 0 0; }
.field__err { font-size: 13px; color: var(--err); margin: 6px 0 0; }
.form__err { color: var(--err); background: #fbecea; padding: 12px 16px; border-left: 3px solid var(--err); margin: 0; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--ink); flex: none; }
.check.is-err { color: var(--err); }
.form .btn { justify-self: start; }
.ok { border-top: 3px solid var(--ok); background: var(--card); padding: 28px; }
.ok h2 { font-size: 24px; font-stretch: 110%; margin-bottom: 10px; }
.ok p { margin: 0; color: var(--ink-2); }
.side .lead { margin-bottom: 32px; }

/* ---------- footer ---------- */
.ftr { background: var(--ink); color: #bdb9b0; padding: 64px 0 28px; font-size: 15px; }
.ftr__top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.ftr__brand p { max-width: 34ch; margin-top: 18px; }
.brand--inv { color: var(--paper); }
.ftr h2 { font: 500 11px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: #8a867e; margin-bottom: 16px; }
.ftr__col { display: flex; flex-direction: column; gap: 10px; }
.ftr__col a { text-decoration: none; color: var(--paper); }
.ftr__col a:hover { color: var(--accent); }
.ftr .muted { color: #8a867e; }
.ftr__bot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid #2c2b29; font-size: 13px; color: #8a867e; }
@media (max-width: 860px) { .ftr__top { grid-template-columns: 1fr 1fr; } .ftr__brand { grid-column: 1 / -1; } }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
.card__noimg { position: absolute; inset: 0; display: grid; place-items: center; color: var(--line-2); }
.card__noimg .mark { width: 56px; height: 56px; }
.card__noimg .mark__byte { fill: var(--line-2); }
.pd__img { position: relative; }
.pd__noimg { position: static; aspect-ratio: 4 / 3; }