:root {
  /* brand colours taken from the AX Pedestal logo: teal #14a89b, graphite #424446 */
  --brand: #14a89b;
  --graphite: #424446;
  --green: #0e8177;       /* teal darkened for 4.7:1 contrast with white text */
  --green-dark: #0b6f66;
  --green-soft: #e3f4f2;
  --bg: #ffffff;
  --bg-soft: #f4f7f5;
  --surface: #ffffff;
  --text: #0e1210;
  --muted: #5b655f;
  --line: #e2e8e4;
  --dark: #0e1210;
  --dark-text: #ffffff;
  --radius: 16px;
  --max: 1180px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --green: #2cc3b3; --green-dark: #22a597; --green-soft: #0f2624; --graphite: #c9cccf;
    --bg: #0b0e0c; --bg-soft: #111613; --surface: #151b17; --text: #eef3ef;
    --muted: #9aa69f; --line: #243029; --dark: #050706;
  }
}
:root[data-theme="dark"] {
  --green: #2cc3b3; --green-dark: #22a597; --green-soft: #0f2624; --graphite: #c9cccf;
  --bg: #0b0e0c; --bg-soft: #111613; --surface: #151b17; --text: #eef3ef;
  --muted: #9aa69f; --line: #243029; --dark: #050706;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font: 400 16px/1.6 Manrope, system-ui, sans-serif; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-weight: 800; line-height: 1.08; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.2rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
a { color: inherit; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .container { padding: 0 32px; } }

.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: .75rem; font-weight: 700; color: var(--green); margin-bottom: .8em; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 36em; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 26px; text-align: center; border-radius: 999px; font: 700 .95rem Manrope, sans-serif; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: transform .15s, background .15s, border-color .15s; }
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--green); color: #fff; }
.btn--primary:hover { background: var(--green-dark); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--green); }
.btn--sm { padding: 10px 18px; font-size: .88rem; }

/* header */
.header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__mark { display: block; width: auto; height: 38px; }
.logo__text { display: flex; flex-direction: column; font-weight: 800; font-size: 1.1rem; line-height: 1; letter-spacing: .02em; color: var(--graphite); }
.logo__text b { color: var(--brand); font-weight: 800; }
.logo__text small { font-size: .58rem; letter-spacing: .2em; color: var(--green); margin-top: 4px; font-weight: 700; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--text); }
.header__tools { display: flex; align-items: center; gap: 12px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang button { border: 0; background: none; color: var(--muted); font: 700 .75rem Manrope, sans-serif; padding: 6px 10px; border-radius: 999px; cursor: pointer; }
.lang button.is-active { background: var(--green); color: #fff; }
.burger { display: none; width: 40px; height: 40px; border: 0; background: none; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 2px; background: var(--text); margin: 5px 0; transition: transform .2s; }
@media (max-width: 880px) {
  .burger { display: block; }
  .header__tools { margin-left: auto; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); margin: 0; max-height: 0; overflow: hidden; transition: max-height .25s; }
  .nav a { padding: 14px 16px; border-top: 1px solid var(--line); }
  .nav.is-open { max-height: 400px; }
  .burger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .burger[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
}

/* hero */
.hero { padding: 56px 0 72px; background: radial-gradient(900px 400px at 85% 10%, var(--green-soft), transparent 70%); }
.hero__inner { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero__inner { grid-template-columns: 1.05fr 1fr; } .hero { padding: 88px 0 104px; } }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-weight: 800; font-size: .75rem; letter-spacing: .18em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 36px; }
.hero__load { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--line); }
.hero__load strong { font-size: 2rem; font-weight: 800; color: var(--green); letter-spacing: -.02em; }
.hero__load span { color: var(--muted); }

/* sections */
.section { padding: 80px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--dark); color: var(--dark-text); padding: 40px 0; }
.split { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 64px; } }

.features { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.feature { border-left: 3px solid var(--green); padding-left: 16px; }
.feature__k { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: #9aa69f; margin-bottom: 4px; }
.feature strong { font-size: 1.2rem; font-weight: 800; }

.products { display: grid; gap: 20px; margin-top: 36px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.product { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s, border-color .2s; }
.product:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: 0 20px 40px -28px rgba(20, 99, 55, .5); }
.product__img { aspect-ratio: 4/3; background: var(--bg-soft); display: grid; place-items: center; }
.product__img img { width: 100%; height: 100%; object-fit: cover; }
.product__img svg { width: 42%; }
.product__img svg .a { fill: var(--green); }
.product__img svg .b { fill: var(--green-dark); }
.product__body { padding: 20px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.product__body h3 { margin: 0; }
.specs { margin: 0; display: grid; gap: 6px; font-size: .9rem; }
.specs div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--line); padding-bottom: 6px; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; font-weight: 700; text-align: right; }
.product .btn { margin-top: auto; }

.uses { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.uses li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 16px; font-weight: 700; }
.uses svg { width: 44px; height: 44px; fill: none; stroke: var(--green); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 18px 0 18px 36px; border-bottom: 1px solid var(--line); font-weight: 600; font-size: 1.05rem; position: relative; }
.list li::before { content: ""; position: absolute; left: 0; top: 22px; width: 20px; height: 20px; border-radius: 50%; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

.services { display: grid; gap: 20px; margin-top: 36px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.service { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.service span { font-weight: 800; color: var(--green); font-size: .9rem; }
.service h3 { margin-top: 14px; }
.service p { color: var(--muted); margin: 0; }

.contacts { list-style: none; padding: 0; margin: 24px 0 0; }
.contacts li { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contacts span { color: var(--muted); }
.contacts b { font-weight: 700; text-align: right; }
.contacts a { text-decoration: none; color: var(--green); }
.contacts .pending { color: var(--muted); font-weight: 500; font-style: italic; }


.footer { background: var(--dark); color: #9aa69f; padding: 28px 0; font-size: .9rem; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s, transform .5s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .success__icon path { animation: none; stroke-dashoffset: 0; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Order system: buttons, catalogue actions, product page, modal, success
   Breakpoints: mobile ≤767px · tablet 768–1439px · desktop ≥1440px
   ============================================================ */
@media (min-width: 1440px) {
  :root { --max: 1320px; }
  body { font-size: 17px; }
}
.btn--lg { min-height: 54px; padding: 14px 28px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--tg { background: var(--text); color: var(--bg); }
.btn--tg:hover { background: #000; color: #fff; }
.btn svg { width: 20px; height: 20px; fill: currentColor; flex: none; }
.btn:disabled { opacity: .7; cursor: progress; transform: none; }
.btn.is-loading::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.inline-note { margin: 0; font-size: .88rem; color: var(--muted); }

/* catalogue cards */
.product__img { text-decoration: none; }
.product__body h3 a { text-decoration: none; }
.product__body h3 a:hover { color: var(--green); }
.product__actions { margin-top: auto; display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.product .btn { margin-top: 0; }

/* contact CTA card */
.cta-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; display: grid; gap: 14px; }
.cta-card h3 { margin: 0; font-size: 1.5rem; }
.cta-card p { margin: 0 0 8px; color: var(--muted); }
.cta-card__icon { width: 56px; height: 56px; border-radius: 14px; background: var(--green-soft); display: grid; place-items: center; }
.cta-card__icon svg { width: 30px; height: 30px; fill: none; stroke: var(--green); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }

/* product page */
.section--page { padding: 32px 0 80px; }
.crumbs { margin-bottom: 24px; }
.crumbs a { color: var(--muted); text-decoration: none; font-weight: 600; }
.crumbs a:hover { color: var(--green); }
.pp { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) { .pp { grid-template-columns: 1.1fr 1fr; gap: 56px; } .pp__media { position: sticky; top: 92px; } }
@media (min-width: 1440px) { .pp { gap: 80px; } }
.pp__media { aspect-ratio: 1 / 1; border-radius: 24px; background: var(--bg-soft); border: 1px solid var(--line); display: grid; place-items: center; overflow: hidden; }
.pp__media img { width: 100%; height: 100%; object-fit: cover; }
.pp__media svg { width: 55%; }
.pp__media svg .a, .other__img svg .a { fill: var(--green); }
.pp__media svg .b, .other__img svg .b { fill: var(--green-dark); }
.pp__title { font-size: clamp(2rem, 4vw, 3.2rem); margin: 16px 0 12px; }
.pp__desc { font-size: 1.08rem; color: var(--muted); }
.pp__h { font-size: 1.1rem; margin: 28px 0 12px; }
.pp .specs { font-size: 1rem; gap: 10px; }
.pp .specs div { padding-bottom: 10px; }
.pp__price { margin: 20px 0 0; padding: 14px 16px; border-radius: 12px; background: var(--green-soft); color: var(--text); font-weight: 600; font-size: .95rem; }
.pp__buy { display: grid; grid-template-columns: auto 1fr; gap: 12px; margin-top: 24px; }
.pp__buy [data-tg-contact], .pp__buy .inline-note { grid-column: 1 / -1; }
.pp__perks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.pp__perks li { position: relative; padding-left: 30px; font-weight: 600; }
.pp__perks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }
.pp__others { margin-top: 72px; }
.pp__others h2 { font-size: 1.6rem; }
.others { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.other { display: flex; align-items: center; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; font-weight: 700; background: var(--surface); }
.other:hover { border-color: var(--green); }
.other__img { width: 64px; height: 64px; border-radius: 10px; background: var(--bg-soft); display: grid; place-items: center; flex: none; overflow: hidden; }
.other__img img { width: 100%; height: 100%; object-fit: cover; }
.other__img svg { width: 70%; }
.empty { text-align: center; padding: 80px 0; }

/* quantity stepper */
.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--line); border-radius: 999px; background: var(--surface); height: 54px; }
.qty button { width: 52px; height: 100%; border: 0; background: none; color: var(--text); font: 600 1.4rem Manrope, sans-serif; cursor: pointer; border-radius: 999px; }
.qty button:hover { color: var(--green); }
.qty input { width: 64px; height: 100%; border: 0; background: none; color: var(--text); text-align: center; font: 800 1.1rem Manrope, sans-serif; -moz-appearance: textfield; appearance: textfield; padding: 0; }
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty input:focus { outline: none; }
.qty:focus-within { border-color: var(--green); }
.qty__unit { padding-right: 18px; color: var(--muted); font-weight: 600; font-size: .9rem; }

/* order modal */
html.modal-open { overflow: hidden; }
.modal { position: fixed; inset: 0; z-index: 50; display: grid; grid-template-columns: minmax(0, 1fr); place-items: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(5, 10, 7, .55); backdrop-filter: blur(3px); opacity: 0; transition: opacity .2s; }
.modal__dialog { position: relative; width: 100%; min-width: 0; max-width: 760px; max-height: min(92vh, 900px); display: flex; flex-direction: column; background: var(--bg); border-radius: 24px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .5); transform: translateY(16px); opacity: 0; transition: transform .22s, opacity .22s; overflow: hidden; }
.modal.is-open .modal__backdrop { opacity: 1; }
.modal.is-open .modal__dialog { transform: none; opacity: 1; }
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 28px; border-bottom: 1px solid var(--line); }
.modal__head h2 { margin: 0; font-size: 1.5rem; }
.modal__x { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: none; color: var(--text); font-size: 1.6rem; line-height: 1; cursor: pointer; flex: none; }
.modal__x:hover { border-color: var(--green); color: var(--green); }
.order { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.order__body { overflow-y: auto; padding: 22px 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; align-content: start; overscroll-behavior: contain; }
.order__req, .order__draft { grid-column: 1 / -1; margin: 0; font-size: .85rem; color: var(--muted); }
.order__draft { background: var(--green-soft); color: var(--text); padding: 10px 14px; border-radius: 10px; }
.req { color: #d0342c; font-weight: 800; }
.field { display: grid; gap: 6px; align-content: start; min-width: 0; }
.field--wide { grid-column: 1 / -1; }
.field label { font-size: .9rem; font-weight: 700; }
.field > input, .field select, .field textarea { min-width: 0; font: inherit; font-size: 16px; font-weight: 500; color: var(--text); background: var(--bg-soft); border: 1.5px solid var(--line); border-radius: 12px; padding: 0 14px; min-height: 52px; width: 100%; }
.field textarea { padding: 12px 14px; resize: vertical; min-height: 96px; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 8l5 5 5-5' fill='none' stroke='%235b655f' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.field .is-invalid, .field .is-invalid:focus { border-color: #d0342c; box-shadow: 0 0 0 3px rgba(208, 52, 44, .12); }
.qty--field { width: 100%; justify-content: space-between; background: var(--bg-soft); height: 52px; }
.qty--field input { flex: 1; min-width: 0; }
.qty--field .qty__unit { padding-right: 4px; }
.field__err { margin: 0; min-height: 0; font-size: .82rem; color: #d0342c; font-weight: 600; }
.field__err:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.order__foot { padding: 16px 28px 22px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 12px; background: var(--bg); }
.order__status { grid-column: 1 / -1; margin: 0; font-size: .9rem; font-weight: 600; border-radius: 10px; }
.order__status:empty { display: none; }
.order__status--error { color: #a3261f; background: #fdecea; padding: 12px 14px; }
.order__status--info { color: var(--green-dark); background: var(--green-soft); padding: 12px 14px; }

/* success page */
.success { min-height: calc(100vh - 68px - 80px); display: grid; align-items: center; background: radial-gradient(700px 360px at 50% 0%, var(--green-soft), transparent 70%); }
.success__card { max-width: 640px; margin: 0 auto; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 48px 40px; box-shadow: 0 30px 60px -40px rgba(20, 99, 55, .45); }
.success__icon svg { width: 84px; height: 84px; }
.success__icon circle { fill: var(--green); }
.success__icon path { fill: none; stroke: #fff; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw .5s .2s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.success__title { font-size: clamp(1.7rem, 4vw, 2.4rem); margin: 20px 0 12px; }
.success__text { font-size: 1.1rem; color: var(--muted); }
.success__id b { white-space: nowrap; }
.success__id { display: inline-block; background: var(--green-soft); padding: 8px 16px; border-radius: 999px; font-size: .95rem; }
.success__h { font-size: 1.1rem; margin: 28px 0 12px; text-align: left; }
.specs--summary { text-align: left; font-size: .95rem; }
.specs--summary dd { overflow-wrap: anywhere; }
.success__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }

/* ---------- mobile: 320–767px ---------- */
@media (max-width: 767px) {
  body { font-size: 16px; }
  .section { padding: 56px 0; }
  .section--page { padding: 20px 0 56px; }
  .hero__cta .btn { flex: 1 1 100%; }
  .products { grid-template-columns: 1fr; }
  .product__actions { grid-template-columns: 1fr; }
  .product .btn { min-height: 50px; }
  .pp { gap: 24px; }
  .pp__media { border-radius: 18px; }
  .pp__buy { grid-template-columns: 1fr; }
  .pp__buy .qty { width: 100%; justify-content: space-between; }
  .pp__buy .qty input { flex: 1; }
  .cta-card { padding: 24px 20px; }
  .modal { padding: 0; place-items: stretch; }
  .modal__dialog { max-width: none; max-height: none; height: 100%; height: 100dvh; border-radius: 0; }
  .modal__head { padding: 14px 16px; }
  .modal__head h2 { font-size: 1.3rem; }
  .order__body { grid-template-columns: 1fr; padding: 16px; gap: 14px; }
  .order__foot { grid-template-columns: 1fr; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); gap: 10px; }
  .success__card { padding: 36px 20px; border-radius: 20px; }
  .success__actions .btn { flex: 1 1 100%; }
  .specs div { flex-wrap: wrap; }
}
@media (max-width: 400px) {
  .header__inner { gap: 10px; }
  .header__tools { gap: 6px; }
  .logo { gap: 8px; }
  .logo__mark { height: 32px; }
  .logo__text { font-size: 1.05rem; }
  .lang button { padding: 6px 7px; }
  .burger { width: 40px; padding: 10px 8px; }
}
@media (max-width: 350px) {
  .logo__text small { display: none; }
}

/* ============================================================
   Catalogue content from the company presentation
   ============================================================ */
.hero__art { position: relative; max-width: 520px; width: 100%; margin: 0 auto; }
.hero__photo { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; max-height: 600px; object-fit: cover; border-radius: 28px; box-shadow: 0 40px 80px -40px rgba(14, 40, 38, .55); }
.hero__product { position: absolute; left: -28px; bottom: 28px; width: 46%; aspect-ratio: 1; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; display: grid; place-items: center; padding: 14px; box-shadow: 0 24px 50px -24px rgba(0, 0, 0, .45); }
.hero__product img { width: 100%; height: 100%; object-fit: contain; }
.hero__chip { position: absolute; right: -16px; top: 28px; background: var(--graphite); color: #fff; border-radius: 16px; padding: 12px 16px; display: grid; gap: 2px; box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .5); max-width: 60%; }
.hero__chip b { font-size: 1.4rem; line-height: 1; color: #7fe0d6; }
.hero__chip span { font-size: .78rem; opacity: .85; }
.dot { background: var(--brand); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.filters button { font: 700 .92rem Manrope, sans-serif; color: var(--muted); background: var(--surface); border: 1.5px solid var(--line); border-radius: 999px; padding: 10px 18px; min-height: 44px; cursor: pointer; }
.filters button:hover { border-color: var(--green); color: var(--text); }
.filters button.is-active { background: var(--graphite); border-color: var(--graphite); color: #fff; }
.filters + .products { margin-top: 20px; }
.product__img { position: relative; background: linear-gradient(180deg, #f6f8f8, #eceff0); }
.product__img img { position: absolute; inset: 18px; width: calc(100% - 36px); height: calc(100% - 36px); object-fit: contain; }
.product__desc { margin: 0; color: var(--muted); font-size: .92rem; }
.product__type { margin: 0; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--green); }
.product__body h3 { font-size: 1.45rem; }
.specs dd ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }

/* height range chart */
.range { margin-top: 36px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px 12px; }
.range__scale { position: relative; height: 22px; margin-left: calc(56px + 150px + 32px); margin-right: calc(120px + 16px); font-size: .75rem; color: var(--muted); font-weight: 700; }
.range__scale span { position: absolute; left: var(--x); transform: translateX(-50%); }
.range__scale .range__unit { left: auto; right: -40px; transform: none; }
.range__row { display: grid; grid-template-columns: 56px 150px 1fr 120px; align-items: center; gap: 16px; padding: 10px 0; border-top: 1px solid var(--line); text-decoration: none; }
.range__row:hover .range__bar { background: var(--green-dark); }
.range__img { width: 56px; height: 48px; display: grid; place-items: center; }
.range__img img { display: block; width: auto; height: auto; max-width: 100%; max-height: 48px; object-fit: contain; }
.range__img svg { width: 80%; }
.range__name { display: grid; line-height: 1.2; }
.range__name small { color: var(--muted); font-size: .78rem; }
.range__track { position: relative; height: 14px; border-radius: 999px; background: var(--bg-soft); box-shadow: inset 0 0 0 1px var(--line); }
.range__bar { position: absolute; top: 0; bottom: 0; left: var(--from); width: calc(var(--to) - var(--from)); min-width: 10px; border-radius: 999px; background: var(--brand); transition: background .15s; }
.range__bar--fixed { background: var(--graphite); }
.range__val { font-weight: 800; text-align: right; white-space: nowrap; }

/* advantages */
.advs { display: grid; gap: 20px; margin-top: 36px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.adv { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.adv img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: contain; background: #fff; padding: 12px 16px 0; }
.adv h3 { margin: 18px 22px 8px; font-size: 1.15rem; }
.adv p { margin: 0 22px 22px; color: var(--muted); font-size: .95rem; }

/* systems */
.section--systems { padding: 80px 0; }
.section--systems .lead { color: #aeb8b5; }
.section--systems .eyebrow { color: #7fe0d6; }
.systems { display: grid; gap: 24px; margin-top: 36px; }
@media (min-width: 900px) { .systems { grid-template-columns: 1fr 1fr; } }
.system { display: grid; grid-template-columns: 42% 1fr; background: #171c1b; border: 1px solid #26302d; border-radius: 20px; overflow: hidden; }
.system img { width: 100%; height: 100%; max-height: 420px; object-fit: cover; background: #fff; min-height: 240px; }
.system > div { padding: 26px; display: flex; flex-direction: column; }
.system h3 { color: #fff; }
.system p { color: #aeb8b5; }
.system__link { margin-top: auto; color: #7fe0d6; font-weight: 800; text-decoration: none; }
.system__link:hover { text-decoration: underline; }

/* product page gallery */
.pp__gallery { display: grid; gap: 12px; }
@media (min-width: 900px) { .pp__gallery { position: sticky; top: 92px; } .pp__media { position: static; } }
.pp__media { background: linear-gradient(180deg, #f6f8f8, #eceff0); }
.pp__media img { object-fit: contain; padding: 8%; }
.pp__media--drawing { background: #fff; }
.pp__thumbs { display: flex; gap: 10px; }
.pp__thumb { flex: 0 0 auto; width: 104px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--surface); padding: 6px; cursor: pointer; display: grid; gap: 4px; font: 600 .75rem Manrope, sans-serif; color: var(--muted); }
.pp__thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.pp__thumb.is-active { border-color: var(--green); color: var(--text); }
.pp__more { margin: 16px 0 0; padding: 12px 14px; border-radius: 12px; border: 1px dashed var(--line); color: var(--muted); font-size: .92rem; }
.other span:last-child { display: grid; line-height: 1.25; }
.other small { color: var(--muted); font-weight: 600; font-size: .78rem; }
.other__img { background: linear-gradient(180deg, #f6f8f8, #eceff0); }
.other__img img { object-fit: contain; padding: 4px; }

@media (max-width: 767px) {
  .hero__art { margin-top: 8px; }
  .hero__photo { aspect-ratio: 4 / 3; border-radius: 20px; }
  .hero__product { left: 12px; bottom: -24px; width: 38%; border-radius: 16px; padding: 10px; }
  .hero__chip { right: 12px; top: 12px; }
  .filters { flex-wrap: nowrap; overflow-x: auto; margin-left: -16px; margin-right: -16px; padding: 0 16px 4px; scrollbar-width: none; }
  .filters button { flex: 0 0 auto; }
  .range { padding: 8px 14px; }
  .range__scale { display: none; }
  .range__row { grid-template-columns: 44px 1fr auto; grid-template-areas: "img name val" "img track track"; gap: 6px 12px; }
  .range__img { grid-area: img; width: 44px; }
  .range__name { grid-area: name; }
  .range__val { grid-area: val; font-size: .9rem; }
  .range__track { grid-area: track; height: 10px; }
  .advs { grid-template-columns: 1fr; }
  .system { grid-template-columns: 1fr; }
  .system img { aspect-ratio: 16 / 10; min-height: 0; }
  .section--systems { padding: 56px 0; }
  .pp__thumb { width: 88px; }
}

/* mobile catalogue: compact horizontal cards (image left, details right) */
@media (max-width: 767px) {
  .products .product { flex-direction: row; }
  .products .product__img { flex: 0 0 38%; aspect-ratio: auto; min-height: 150px; }
  .products .product__img img { inset: 10px; width: calc(100% - 20px); height: calc(100% - 20px); }
  .products .product__body { padding: 14px; gap: 8px; min-width: 0; }
  .products .product__body h3 { font-size: 1.2rem; }
  .products .product__type { font-size: .68rem; }
  .products .product__desc { font-size: .85rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .products .specs { font-size: .82rem; }
  .products .specs div:nth-child(n+2) { display: none; }
  .products .product__actions { grid-template-columns: 1fr; gap: 6px; }
  .products .product__actions .btn { min-height: 44px; padding: 8px 12px; }
}