:root {
  --ink: #141414;
  --ink-2: #3d3d3d;
  --muted: #6e6e6e;
  --line: #e2e2df;
  --bg: #f5f5f3;
  --card: #ffffff;
  --dark-2: #1f1f1f;
  --dark-line: #333333;
  --grey: #9a9a9a;
  --grey-soft: #e8e8e6;
  --green: #1f9d55;
    --radius: 14px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .07);
  --head: "Saira", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--head); line-height: 1.1; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: min(1160px, 100% - 32px); margin-inline: auto; }
.section { padding: clamp(56px, 9vw, 96px) 0; }
.section--tight { padding: 40px 0; }
.section--dark { background: var(--ink); color: #fff; }
.eyebrow {
  display: inline-block; font-family: var(--head); font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink); margin-bottom: .8rem;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 3px; background: currentColor; }
.section--dark .eyebrow, .hero .eyebrow { color: #bdbdbd; }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 60ch; }
.section--dark .lead { color: #c8c8c8; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em; justify-content: center;
  padding: .85em 1.4em; border-radius: 999px; border: 2px solid transparent;
  font: 600 1rem var(--body); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 1.15em; height: 1.15em; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #000; }
.hero .btn--primary, .section--dark .btn--primary { background: #fff; color: var(--ink); }
.hero .btn--primary:hover, .section--dark .btn--primary:hover { background: #e6e6e6; }
.btn--wa { background: transparent; color: inherit; border-color: currentColor; }
.btn--wa:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.hero .btn--wa:hover, .section--dark .btn--wa:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn--ghost { border-color: currentColor; background: transparent; }
.btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.section--dark .btn--ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 245, 243, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { width: 48px; height: 48px; border-radius: 50%; flex: none; }
.logo__text { font-family: var(--head); font-weight: 800; font-size: 1.35rem; line-height: 1; letter-spacing: .08em; text-transform: uppercase; }
.logo__text small { display: block; font-size: .6rem; font-weight: 700; letter-spacing: .22em; color: var(--muted); margin-top: 4px; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: block; padding: .5em .9em; border-radius: 999px; text-decoration: none; font-weight: 500; color: var(--ink-2);
}
.nav__links a:hover { color: var(--ink); background: #e9e9e6; }
.nav__links a[aria-current="page"] { color: var(--ink); font-weight: 700; box-shadow: inset 0 -2px 0 var(--ink); border-radius: 0; }
.nav__cta { margin-left: 8px; }
.nav__cta .btn { display: inline-flex; padding: .6em 1.1em; font-size: .95rem; }
.nav__toggle {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink);
}
.nav__toggle svg { width: 28px; height: 28px; }

@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__menu {
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 12px 16px 20px; display: none;
  }
  .nav__menu.open { display: block; }
  .nav__links { flex-direction: column; align-items: stretch; }
  .nav__links a { padding: .8em 1em; font-size: 1.05rem; }
  .nav__cta { margin: 12px 0 0; }
  .nav__cta .btn { width: 100%; padding: .85em; }
}

/* ---------- hero ---------- */
.hero { padding: clamp(40px, 7vw, 80px) 0 clamp(56px, 8vw, 96px); overflow: hidden; background: var(--ink); color: #fff; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 span { color: transparent; -webkit-text-stroke: 2px #fff; }
@supports not (-webkit-text-stroke: 2px #fff) { .hero h1 span { color: var(--grey); } }
.hero .lead { margin-bottom: 1.8rem; color: #c8c8c8; }
.hero__art { position: relative; width: min(100%, 460px); justify-self: center; }
.hero__art img {
  width: 100%; height: auto; border-radius: 50%;
  box-shadow: 0 0 0 10px var(--dark-2), 0 0 0 12px #3a3a3a, 0 30px 60px rgba(0, 0, 0, .5);
}
.hero__badge {
  position: absolute; left: -14px; bottom: 28px; background: #fff; border-radius: 14px; padding: 12px 16px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .95rem; color: var(--ink);
}
.hero__badge svg { width: 22px; height: 22px; color: var(--ink); }
.hero__facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 1.6rem; color: #d6d6d6; font-size: .95rem; }
.hero__facts span { display: inline-flex; align-items: center; gap: 6px; }
.hero__facts svg { width: 18px; height: 18px; color: #fff; }

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .hero__art { width: min(100%, 340px); }
  .hero__badge { left: 50%; transform: translateX(-50%); bottom: -8px; white-space: nowrap; }
}

/* ---------- chain divider ---------- */
.chain {
  height: 28px; background-color: var(--ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='28' fill='none' stroke='%23777777' stroke-width='2.6'%3E%3Cpath d='M10 7h40a7 7 0 0 1 0 14H10a7 7 0 0 1 0-14z'/%3E%3Ccircle cx='10' cy='14' r='3'/%3E%3Ccircle cx='50' cy='14' r='3'/%3E%3C/svg%3E");
  background-repeat: repeat-x; background-position: center; opacity: 1;
}
.chain--footer { margin: -56px 0 48px; }

/* ---------- page header ---------- */
.page-head { padding: clamp(40px, 7vw, 72px) 0 clamp(28px, 4vw, 40px); }
.page-head .lead { margin-bottom: 0; }

/* ---------- size tiles ---------- */
.sizes { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-top: 32px; }
.size-tile {
  display: flex; flex-direction: column; gap: 4px; padding: 20px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); text-decoration: none;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.size-tile:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow); }
.size-tile strong { font-family: var(--head); font-size: 1.6rem; font-weight: 800; line-height: 1; }
.size-tile span { color: var(--muted); font-size: .9rem; }

/* ---------- feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 36px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.section--dark .card { background: var(--dark-2); border-color: var(--dark-line); }
.section--dark .card__icon { background: #fff; color: var(--ink); }
.card__icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--ink); color: #fff;
  display: grid; place-items: center; margin-bottom: 16px;
}

.card__icon svg { width: 24px; height: 24px; }
.card p { color: var(--ink-2); margin: 0; }
.section--dark .card p { color: #bdbdbd; }

/* ---------- catalogue ---------- */
.cat-tabs { display: inline-flex; background: #e6e6e3; padding: 5px; border-radius: 999px; gap: 4px; margin-bottom: 18px; flex-wrap: wrap; }
.cat-tabs button {
  border: 0; background: transparent; padding: .65em 1.2em; border-radius: 999px; cursor: pointer;
  font: 600 .98rem var(--body); color: var(--ink-2);
}
.cat-tabs button[aria-selected="true"] { background: var(--ink); color: #fff; }
@media (max-width: 520px) {
  .cat-tabs { display: grid; grid-template-columns: 1fr 1fr; width: 100%; border-radius: 14px; }
  .cat-tabs button { border-radius: 10px; padding: .65em .5em; font-size: .92rem; }
  .search { flex: 1 1 100%; }
}
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--card); padding: .45em 1em; border-radius: 999px;
  font: 500 .92rem var(--body); cursor: pointer; color: var(--ink-2);
}
.chip:hover { border-color: var(--ink-2); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.search {
  position: relative; flex: 0 1 280px;
}
.search input {
  width: 100%; padding: .7em 1em .7em 2.5em; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); font: inherit; font-size: .95rem;
}
.search input:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.search svg { position: absolute; left: .9em; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.product {
  display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: box-shadow .15s, transform .15s;
}
.product:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.product__img { aspect-ratio: 4 / 3; background: #efefec; display: grid; place-items: center; position: relative; }
.product__img img { width: 100%; height: 100%; object-fit: contain; padding: 8px; background: #fff; }
.product__img > svg { width: 42%; color: #c4c4bf; }
.product__tag {
  position: absolute; top: 12px; left: 12px; background: var(--ink); color: #fff;
  font-size: .75rem; font-weight: 600; padding: .3em .7em; border-radius: 999px;
}
.product__tag--out { background: #8a8a8a; color: #fff; }
.product__body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.product__cat { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.product__name { font-family: var(--head); font-weight: 700; font-size: 1.15rem; margin: 4px 0 6px; }
.product__desc { color: var(--ink-2); font-size: .93rem; margin-bottom: 14px; white-space: pre-line; }
.product__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.product__price { font-family: var(--head); font-weight: 800; font-size: 1.3rem; }
.product__price--ask { font-size: .95rem; font-weight: 600; color: var(--muted); font-family: var(--body); }
.product__foot .btn { padding: .55em 1em; font-size: .9rem; }

.empty {
  text-align: center; padding: 56px 20px; background: var(--card); border: 1px dashed var(--line);
  border-radius: var(--radius); color: var(--ink-2);
}
.empty svg { width: 56px; height: 56px; margin: 0 auto 14px; color: #c4c4bf; }

/* ---------- about ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__art { border-radius: 24px; background: var(--grey-soft); aspect-ratio: 1.1; display: grid; place-items: center; padding: 10%; }
.split__art svg { color: var(--ink); width: 100%; }
.frame { stroke: var(--grey); }
.split__art .frame { stroke: var(--ink); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 28px; align-items: stretch; }
.contact-list { display: grid; gap: 14px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; text-decoration: none;
}
a.contact-item:hover { border-color: var(--ink); }
.contact-item .card__icon { margin: 0; flex: none; }
.contact-item h3 { margin: 0 0 2px; font-size: 1.05rem; }
.contact-item p { margin: 0; color: var(--ink-2); }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 380px; background: #e6e6e3; }
.map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--grey-soft); color: var(--ink); border-radius: 24px; padding: clamp(32px, 6vw, 56px);
  display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between;
}
.cta-band h2 { margin: 0 0 .3em; }
.cta-band p { margin: 0; opacity: .92; }
.cta-band .btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.cta-band .btn--light { background: var(--ink); color: #fff; }
.cta-band .btn--light:hover { background: #000; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #c8c8c8; padding: 56px 0 96px; margin-top: 0; } /* room for the WhatsApp button */
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 36px; }
.site-footer .logo__text { color: #fff; }
.site-footer .logo__text small { color: #9a9a9a; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-blurb { margin-top: 14px; max-width: 34ch; }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--dark-line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: .9rem;
}
.footer-bottom a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
  background: var(--ink); color: #fff; border: 2px solid #fff; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
  transition: transform .15s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; box-shadow: 0 0 0 4px #fff; }

/* ---------- colour swatches ---------- */
.swatches { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 2px 0 12px; }
.swatch {
  width: 24px; height: 24px; border-radius: 50%; border: 0; padding: 0; cursor: pointer; position: relative;
  background: var(--sw); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .2), 0 0 0 2px #fff, 0 0 0 3px transparent;
  transition: box-shadow .15s, transform .15s;
}
.swatch:hover { transform: scale(1.1); }
.swatch[aria-checked="true"] { box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .2), 0 0 0 2px #fff, 0 0 0 4px var(--ink); }
.swatch--out::after {
  content: ""; position: absolute; left: 50%; top: -2px; bottom: -2px; width: 2px; background: var(--ink);
  transform: translateX(-50%) rotate(45deg); box-shadow: 0 0 0 1px #fff;
}
.swatch-label { font-size: .82rem; color: var(--muted); margin-left: 2px; }

/* ---------- motion ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ride { from { transform: translateX(-180px); } to { transform: translateX(calc(100vw + 40px)); } }
@keyframes chain-run { to { background-position-x: 60px; } }
@keyframes bob { 50% { transform: translateY(-2px); } }

.wheel, .crank { transform-box: fill-box; transform-origin: center; }

/* bike riding along the bottom of the hero */
.hero { position: relative; padding-bottom: clamp(130px, 14vw, 160px); }
.ride { position: absolute; left: 0; right: 0; bottom: 0; height: 100px; overflow: hidden; pointer-events: none; }
.ride::before { content: ""; position: absolute; left: 0; right: 0; bottom: 8px; border-top: 2px dashed #3a3a3a; }
.ride__bike { position: absolute; bottom: 9px; width: 130px; color: #e6e6e6; animation: ride 14s linear infinite; }
.ride__bike svg { animation: bob .5s ease-in-out infinite; }
.ride__bike .wheel { animation: spin .7s linear infinite; }
.ride__bike .crank { animation: spin 1.1s linear infinite; }

/* the chain strip runs like a real chain */
.chain { animation: chain-run 1.6s linear infinite; }

/* big slow-turning wheels behind dark sections and page headers */
.has-wheel { position: relative; overflow: hidden; }
.has-wheel > .container { position: relative; }
.bg-wheel {
  position: absolute; width: 520px; height: 520px; right: -150px; top: -120px;
  color: #fff; opacity: .05; animation: spin 60s linear infinite; pointer-events: none;
}
.page-head .bg-wheel { color: var(--ink); opacity: .06; width: 420px; height: 420px; right: -120px; top: -140px; }
@media (max-width: 760px) { .bg-wheel { width: 320px; height: 320px; right: -140px; } }

/* size tiles: bike drawn to scale, wheels turn on hover */
.size-tile__bike { display: flex; align-items: flex-end; height: 52px; margin-bottom: 8px; color: var(--ink); }
.size-tile__bike svg { width: 100%; height: auto; }
.size-tile:hover .wheel, .product:hover .product__img > svg .wheel { animation: spin .8s linear infinite; }

/* scroll reveal (only when JS is running) */
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js [data-reveal].in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .ride { display: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
}