/* ---------- 0. Fonts (self-hosted: no third-party request) ---------- */
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-300-normal.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-700-normal.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-latin-300-normal.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

/* ==================================================================
   VOLT — Commercial Gym Equipment
   Brand stylesheet. Monochrome by design: contrast, not colour,
   creates hierarchy.  Space Grotesk (display) + Montserrat (text).
   ================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --carbon:   #0F0F0F;
  --graphite: #292929;
  --steel:    #5F6366;
  --cool:     #9DA2A5;
  --light:    #D7D9DA;
  --paper:    #F5F6F6;
  --white:    #FFFFFF;

  --ink:      var(--carbon);
  --muted:    var(--steel);
  --line:     var(--light);

  --display: "Space Grotesk", "Arial Narrow", Helvetica, sans-serif;
  --text:    "Montserrat", "Helvetica Neue", Arial, sans-serif;

  --cut: 14px;                 /* the V-derived corner cut */
  --wrap: 1280px;
  --gut: clamp(20px, 4vw, 56px);

  --t: .25s cubic-bezier(.2,.6,.2,1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--text);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
::selection { background: var(--carbon); color: var(--white); }

/* Inline icons default to a sensible size; specific blocks override below. */
svg { width: 18px; height: 18px; flex: none; }

/* ---------- 3. Type ---------- */
h1, h2, h3, h4, .display {
  font-family: var(--display);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.015em;
  text-transform: uppercase;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); }
h4 { font-size: 1rem; letter-spacing: .02em; }
p  { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.kicker {
  font-family: var(--display);
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 1.4rem;
  display: flex;
  align-items: flex-start;
  gap: .9rem;
}
.kicker::before {
  content: ""; width: 34px; height: 2px; background: currentColor; flex: none; margin-top: .58em;
}
.on-dark .kicker, .sec--dark .kicker { color: var(--cool); }

.lead { font-size: clamp(1rem, 1.35vw, 1.16rem); color: var(--steel); max-width: 62ch; }
.sec--dark .lead { color: var(--light); }
.small { font-size: .82rem; }
.mono {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .72rem;
}

/* ---------- 4. Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.sec { padding: clamp(56px, 8vw, 120px) 0; }
.sec--tight { padding: clamp(40px, 5vw, 72px) 0; }
.sec--dark { background: var(--carbon); color: var(--white); }
.sec--paper { background: var(--paper); }
.sec--line { border-top: 1px solid var(--line); }
.sec--dark.sec--line { border-color: #232323; }

.grid { display: grid; gap: clamp(18px, 2.2vw, 30px); }
.g-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.split { display: grid; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); gap: clamp(28px,5vw,80px); align-items: center; }
.stack-l { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }

.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: clamp(28px,3.5vw,52px); flex-wrap: wrap; }
.sec-head p { max-width: 54ch; }
.sec-head .link-arrow { white-space: nowrap; flex: none; }

/* ---------- 5. The V motif ---------- */
/* diagonal hairline field — "abstract motion" graphic element */
.motion-lines {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: repeating-linear-gradient(-64deg,
    transparent 0 26px, currentColor 26px 27px);
  color: rgba(255,255,255,.10);
  mask-image: linear-gradient(100deg, #000 0%, transparent 62%);
  -webkit-mask-image: linear-gradient(100deg, #000 0%, transparent 62%);
}
.cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%); }
.cut-tl { clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut)); }

/* ---------- 6. Buttons ---------- */
.btn {
  --bg: var(--carbon); --fg: var(--white); --bd: var(--carbon);
  display: inline-flex; align-items: center; gap: .7rem;
  padding: 1rem 1.7rem;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--bd);
  font-family: var(--display); font-weight: 700;
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase;
  line-height: 1; white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background var(--t), color var(--t), border-color var(--t), transform var(--t);
}
.btn svg { width: 15px; height: 15px; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn--solid:hover { --bg: var(--graphite); --bd: var(--graphite); }
.btn--ghost { --bg: transparent; --fg: var(--carbon); --bd: var(--carbon); }
.btn--ghost:hover { --bg: var(--carbon); --fg: var(--white); }
.btn--light { --bg: var(--white); --fg: var(--carbon); --bd: var(--white); }
.btn--light:hover { --bg: transparent; --fg: var(--white); }
.btn--onDark { --bg: transparent; --fg: var(--white); --bd: rgba(255,255,255,.45); }
.btn--onDark:hover { --bg: var(--white); --fg: var(--carbon); --bd: var(--white); }
.btn--sm { padding: .72rem 1.15rem; font-size: .68rem; }
.btn--wide { width: 100%; justify-content: center; }

.link-arrow {
  font-family: var(--display); font-weight: 700; font-size: .76rem;
  letter-spacing: .16em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: .6rem;
  border-bottom: 2px solid currentColor; padding-bottom: .3rem;
  transition: gap var(--t), opacity var(--t);
}
.link-arrow:hover { gap: 1rem; }

/* ---------- 7. Header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 60;
  background: var(--carbon); color: var(--white);
  border-bottom: 1px solid #1f1f1f;
}
.hdr__bar { display: flex; align-items: center; gap: clamp(16px,3vw,48px); height: 76px; }
.hdr__logo img { height: 30px; width: auto; }
.hdr__nav { display: flex; align-items: center; gap: clamp(14px,2vw,30px); margin-left: auto; }
.hdr__nav a {
  font-family: var(--display); font-weight: 500;
  font-size: .76rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--light); padding: .4rem 0; position: relative;
  transition: color var(--t);
}
.hdr__nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--white); transition: right var(--t);
}
.hdr__nav a:hover, .hdr__nav a.is-on { color: var(--white); }
.hdr__nav a.btn { color: var(--fg); }
.hdr__nav a.btn::after { display: none; }
.hdr__nav a:hover::after, .hdr__nav a.is-on::after { right: 0; }
.hdr__cta { margin-left: clamp(8px,1.5vw,18px); }
.hdr__burger {
  display: none; margin-left: auto; background: none; border: 0; color: #fff;
  width: 44px; height: 44px; padding: 10px;
}
.hdr__burger span { display: block; height: 2px; background: currentColor; margin: 5px 0; transition: transform var(--t), opacity var(--t); }
.hdr.is-open .hdr__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hdr.is-open .hdr__burger span:nth-child(2) { opacity: 0; }
.hdr.is-open .hdr__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.topbar {
  background: #000; color: var(--cool);
  font-size: .72rem; letter-spacing: .06em;
}
.topbar__in { display: flex; gap: 1.6rem; align-items: center; height: 38px; flex-wrap: wrap; }
.topbar a { color: var(--light); }
.topbar a:hover { color: #fff; }
.topbar__sep { margin-left: auto; }

/* ---------- 8. Hero ---------- */
.hero { position: relative; background: var(--carbon); color: var(--white); overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .55; filter: grayscale(1) contrast(1.12); }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(92deg, rgba(15,15,15,.96) 8%, rgba(15,15,15,.72) 45%, rgba(15,15,15,.35) 100%);
}
.hero__in { position: relative; padding-block: clamp(80px, 13vw, 190px) clamp(60px, 9vw, 130px); }
.hero__title { max-width: 16ch; margin-bottom: 1.4rem; }
.hero__text { max-width: 52ch; color: var(--light); font-size: clamp(.98rem,1.3vw,1.12rem); }
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.4rem; }
.hero__facts {
  position: relative; display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  border-top: 1px solid #262626; background: rgba(0,0,0,.35);
}
.hero__fact { padding: 1.5rem var(--gut); border-left: 1px solid #262626; }
.hero__fact:first-child { border-left: 0; }
.hero__fact b { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(1.5rem,2.4vw,2.1rem); line-height: 1; }
.hero__fact span { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--cool); }

/* ---------- 9. Page head (inner pages) ---------- */
.phead { background: var(--carbon); color: var(--white); position: relative; overflow: hidden; }
.phead__in { position: relative; padding-block: clamp(46px,6vw,86px) clamp(38px,5vw,66px); }
.phead h1 { font-size: clamp(2.1rem, 4.6vw, 3.8rem); margin-bottom: .35em; }
.phead .lead { color: var(--light); }
.crumbs { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cool); margin-bottom: 1.6rem; }
.crumbs a:hover { color: #fff; }
.crumbs span { margin: 0 .5rem; opacity: .5; }

/* ---------- 10. Cards: categories ---------- */
.cat-card {
  position: relative; display: block; background: var(--carbon); color: var(--white);
  overflow: hidden; min-height: 250px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
/* The product shots sit on white. Inverting them turns the background
   black — it disappears into the card — and lifts the machine itself into
   a light, technical line drawing. */
.cat-card img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; padding: 14% 20% 24%;
  filter: grayscale(1) invert(1) contrast(1.15);
  mix-blend-mode: screen; opacity: .92;
  transition: transform .5s cubic-bezier(.2,.6,.2,1), opacity var(--t);
}
.cat-card::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(15,15,15,0) 45%, rgba(15,15,15,.9) 100%); }
.cat-card__t { position: relative; z-index: 2; padding: 1.5rem; display: flex; flex-direction: column; height: 100%; min-height: 250px; justify-content: flex-end; }
.cat-card h3 { margin: 0 0 .2rem; font-size: 1.18rem; }
.cat-card small { color: var(--cool); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; }
.cat-card:hover img { transform: scale(1.06); opacity: 1; }

/* ---------- 11. Cards: products ---------- */
.p-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); gap: clamp(14px,1.6vw,22px); }
.p-card {
  position: relative; background: var(--white); border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.p-card:hover { border-color: var(--carbon); transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(0,0,0,.55); }
.p-card__img { position: relative; aspect-ratio: 1/1; background: var(--white); overflow: hidden; border-bottom: 1px solid var(--line); }
.p-card__img img { width: 100%; height: 100%; object-fit: contain; padding: 10%; transition: transform .45s cubic-bezier(.2,.6,.2,1); }
.p-card:hover .p-card__img img { transform: scale(1.05); }
.p-card__body { padding: 1rem 1.05rem 1.15rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.p-card__model { font-family: var(--display); font-weight: 500; font-size: .66rem; letter-spacing: .18em; color: var(--steel); text-transform: uppercase; }
.p-card__name { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: .93rem; line-height: 1.14; letter-spacing: -.005em; margin: 0; }
.p-card__cat { font-size: .72rem; color: var(--cool); margin-top: auto; padding-top: .55rem; }
.p-card__go {
  position: absolute; right: 0; bottom: 0; width: 34px; height: 34px;
  background: var(--carbon); color: #fff; display: grid; place-items: center;
  opacity: 0; transform: translate(4px,4px); transition: opacity var(--t), transform var(--t);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.p-card:hover .p-card__go { opacity: 1; transform: none; }
.p-badge {
  position: absolute; top: 0; left: 0; z-index: 2;
  background: var(--carbon); color: #fff; padding: .38rem .6rem;
  font-family: var(--display); font-weight: 700; font-size: .58rem; letter-spacing: .18em; text-transform: uppercase;
}

/* ---------- 12. Catalogue layout ---------- */
.cat-layout { display: grid; grid-template-columns: 268px minmax(0,1fr); gap: clamp(24px,3vw,48px); align-items: start; }
.side { position: sticky; top: 96px; }
.side__box { border: 1px solid var(--line); margin-bottom: 1.2rem; }
.side__h {
  font-family: var(--display); font-weight: 700; font-size: .72rem; letter-spacing: .18em;
  text-transform: uppercase; padding: .85rem 1rem; background: var(--carbon); color: #fff;
}
.side__fold { }
.side__fold > summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
.side__fold > summary::-webkit-details-marker { display: none; }
.side__fold > summary::after {
  content: ""; width: 9px; height: 9px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px,-2px); transition: transform var(--t); display: none;
}
.side__list { list-style: none; margin: 0; padding: .4rem 0; }
.side__list a {
  display: flex; justify-content: space-between; gap: .6rem; align-items: baseline;
  padding: .5rem 1rem; font-size: .85rem; color: var(--graphite);
  border-left: 2px solid transparent; transition: background var(--t), border-color var(--t), color var(--t);
}
.side__list a:hover { background: var(--paper); border-left-color: var(--cool); }
.side__list a.is-on { background: var(--paper); border-left-color: var(--carbon); font-weight: 600; color: var(--carbon); }
.side__list em { font-style: normal; color: var(--cool); font-size: .72rem; }
.side__list--sub { padding-left: .8rem; }
.side__list--sub a { font-size: .8rem; padding-block: .38rem; color: var(--steel); }

.toolbar {
  display: flex; gap: .8rem; align-items: center; flex-wrap: wrap;
  padding-bottom: 1.1rem; margin-bottom: 1.4rem; border-bottom: 1px solid var(--line);
}
.toolbar__count { font-size: .8rem; color: var(--steel); margin-right: auto; }
.toolbar__count b { color: var(--carbon); font-family: var(--display); }

.field { position: relative; display: flex; }
.input, .select, .textarea {
  width: 100%; padding: .78rem .95rem; background: var(--white);
  border: 1px solid var(--line); color: var(--ink); border-radius: 0;
  transition: border-color var(--t), box-shadow var(--t);
  font-size: .9rem;
}
.textarea { min-height: 130px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: 0; border-color: var(--carbon); box-shadow: 0 0 0 3px rgba(15,15,15,.07); }
.select { appearance: none; padding-right: 2.4rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230F0F0F' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .9rem center; background-size: 11px; }
.search { display: flex; }
.search .input { border-right: 0; }
.search button { padding: 0 1.05rem; background: var(--carbon); color: #fff; border: 1px solid var(--carbon); }
.search button:hover { background: var(--graphite); }
.label { display: block; font-family: var(--display); font-weight: 500; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); margin-bottom: .45rem; }
.form-row { margin-bottom: 1rem; }
.req { color: var(--carbon); }

.chip {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1px solid var(--line); padding: .35rem .7rem; font-size: .76rem;
}
.chip a { color: var(--steel); font-weight: 700; }
.chip a:hover { color: var(--carbon); }

/* ---------- 13. Product page ---------- */
.pdp { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap: clamp(28px,4vw,64px); align-items: start; }
.pdp__media { border: 1px solid var(--line); background: var(--white); position: relative; }
.pdp__media img { width: 100%; aspect-ratio: 1/1; object-fit: contain; padding: 7%; }
.pdp__media::after {
  content: ""; position: absolute; right: 0; bottom: 0; width: 46px; height: 46px;
  background: var(--paper); clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.pdp h1 { font-size: clamp(1.7rem, 3.2vw, 2.7rem); margin-bottom: .3em; }
.pdp__model { display: inline-block; background: var(--carbon); color: #fff; padding: .4rem .75rem; font-family: var(--display); font-weight: 700; font-size: .7rem; letter-spacing: .18em; margin-bottom: 1.2rem; }
.spec-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .88rem; }
.spec-table th, .spec-table td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 44%; font-family: var(--display); font-weight: 500; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); }
.spec-table tr:nth-child(odd) td, .spec-table tr:nth-child(odd) th { background: var(--paper); }
.note {
  border-left: 2px solid var(--carbon); background: var(--paper);
  padding: 1rem 1.1rem; font-size: .87rem; color: var(--steel);
}

/* ---------- 14. Feature / pillar blocks ---------- */
.pillar { border-top: 2px solid var(--carbon); padding-top: 1.2rem; }
.sec--dark .pillar { border-color: var(--white); }
.pillar svg { width: 34px; height: 34px; margin-bottom: 1rem; }
.pillar h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.pillar p { font-size: .9rem; color: var(--steel); margin: 0; }
.sec--dark .pillar p { color: var(--cool); }

.numbered { counter-reset: n; }
.numbered .pillar::before {
  counter-increment: n; content: "0" counter(n);
  font-family: var(--display); font-weight: 700; font-size: .8rem; letter-spacing: .1em;
  color: var(--cool); display: block; margin-bottom: .8rem;
}

/* ---------- 15. CTA band ---------- */
.band { position: relative; background: var(--carbon); color: #fff; overflow: hidden; }
.band__in { position: relative; padding-block: clamp(48px,6vw,86px); display: flex; gap: 2rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.band h2 { margin: 0; max-width: 18ch; }

/* ---------- 16. Footer ---------- */
.ftr { background: var(--carbon); color: var(--cool); font-size: .86rem; border-top: 1px solid #1e1e1e; }
.ftr__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: clamp(24px,3vw,48px); padding-block: clamp(44px,5vw,72px); }
.ftr h4 { color: #fff; font-size: .72rem; letter-spacing: .2em; margin-bottom: 1.1rem; }
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.ftr a:hover { color: #fff; }
.ftr__logo img { height: 30px; margin-bottom: 1.2rem; }
.ftr__bottom { border-top: 1px solid #1e1e1e; padding-block: 1.1rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .76rem; }
.soc { display: flex; gap: .6rem; }
.soc a { width: 36px; height: 36px; border: 1px solid #2c2c2c; display: grid; place-items: center; transition: background var(--t), border-color var(--t), color var(--t); }
.soc a:hover { background: #fff; color: var(--carbon); border-color: #fff; }
.soc svg { width: 16px; height: 16px; }

/* ---------- 17. Forms / alerts ---------- */
.form-card { border: 1px solid var(--line); padding: clamp(20px,2.6vw,34px); background: var(--white); }
.sec--dark .form-card { background: #151515; border-color: #2a2a2a; }
.sec--dark .input, .sec--dark .select, .sec--dark .textarea { background: #1c1c1c; border-color: #333; color: #fff; }
.sec--dark .label { color: var(--cool); }
.alert { padding: .9rem 1.1rem; border-left: 3px solid var(--carbon); background: var(--paper); font-size: .88rem; margin-bottom: 1.2rem; }
.alert--bad { border-color: var(--graphite); background: #f1eeee; color: #3a2020; }
.alert--ok { border-color: var(--carbon); }

/* ---------- 18. Pager ---------- */
.pager { display: flex; gap: .4rem; flex-wrap: wrap; justify-content: center; margin-top: clamp(28px,3.5vw,52px); }
.pager__i {
  min-width: 42px; height: 42px; display: grid; place-items: center; padding: 0 .7rem;
  border: 1px solid var(--line); font-family: var(--display); font-weight: 500; font-size: .8rem;
  transition: border-color var(--t), background var(--t), color var(--t);
}
.pager__i:hover { border-color: var(--carbon); }
.pager__i.is-on { background: var(--carbon); color: #fff; border-color: var(--carbon); }
.pager__gap { display: grid; place-items: center; padding: 0 .3rem; color: var(--cool); }

/* ---------- 19. Utilities ---------- */
.t-c { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.muted { color: var(--steel); }
.sec--dark .muted { color: var(--cool); }
.hide { display: none !important; }
.sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.frame { border: 1px solid var(--line); }
.img-bw { filter: grayscale(1) contrast(1.06); }
.ratio-43 { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.ratio-11 { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
.ratio-169 { aspect-ratio: 16/9; object-fit: cover; width: 100%; }

/* ---------- 20. Responsive ---------- */
@media (max-width: 1080px) {
  .cat-layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .side__fold > summary::after { display: block; }
  .side__fold[open] > summary::after { transform: rotate(-135deg) translate(-3px,-3px); }
  .g-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hdr__burger { display: block; }
  .hdr { position: sticky; }
  .hdr__nav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--carbon);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: .5rem var(--gut) 1.6rem;
    border-bottom: 1px solid #222; display: none;
    max-height: calc(100vh - 100%); overflow: auto; box-shadow: 0 24px 40px -20px rgba(0,0,0,.8);
  }
  .hdr.is-open .hdr__nav { display: flex; }
  .hdr__nav a { padding: .95rem 0; border-bottom: 1px solid #1c1c1c; font-size: .9rem; }
  .hdr__nav a::after { display: none; }
  .hdr__cta { margin: 1rem 0 0; }
  .split, .pdp, .g-3 { grid-template-columns: 1fr; }
  .hero__facts { grid-template-columns: repeat(2, 1fr); }
  .hero__fact:nth-child(3) { border-left: 0; }
  .hero__fact { border-top: 1px solid #262626; }
}
@media (max-width: 640px) {
  .g-2, .g-4 { grid-template-columns: 1fr; }
  .pdp__media img { aspect-ratio: 4/3; padding: 4%; }
  .p-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .ftr__grid { grid-template-columns: 1fr; }
  .topbar__in { height: auto; padding-block: .5rem; gap: .8rem; }
  .topbar__sep { margin-left: 0; }
  .band__in { flex-direction: column; align-items: flex-start; }
}

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

/* ---------- 21. Print ---------- */
@media print {
  .hdr, .ftr, .band, .side, .toolbar, .btn { display: none !important; }
  body { font-size: 12px; }
  .pdp { grid-template-columns: 1fr 1fr; }
}