:root {
  --navy: #1f2632;
  --navy-2: #2a3240;
  --accent: #f39c12;
  --accent-d: #c97508;
  --text: #2b2f36;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --line: #e3e5e9;
  --head: "Oswald", "Arial Narrow", sans-serif;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { font: 16px/1.65 Roboto, system-ui, sans-serif; color: var(--text); background: var(--bg); }
a { color: inherit; }
img { max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--head); text-transform: uppercase; line-height: 1.15; letter-spacing: .01em; }
h2 { font-size: clamp(28px, 4vw, 40px); color: var(--accent); margin-bottom: 20px; }
h3 { font-size: 19px; }
h4 { font-size: 16px; }
p + p, p + .list, .list + p { margin-top: 14px; }
.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.eyebrow { font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.muted { color: var(--muted); font-size: 14px; }
.sub { margin: 40px 0 16px; color: var(--navy); }
.sub--first { margin-top: 0; }

.btn { display: inline-block; background: var(--accent); color: #fff; font: 600 15px var(--head); text-transform: uppercase; letter-spacing: .06em; padding: 14px 28px; border: 2px solid var(--accent); border-radius: 2px; text-decoration: none; cursor: pointer; transition: background .2s, color .2s; text-align: center; }
.btn:hover { background: var(--accent-d); border-color: var(--accent-d); }
.btn--ghost { background: transparent; }
.btn--ghost:hover { background: var(--accent); }
.btn--line { background: transparent; color: var(--accent-d); margin-top: 12px; }
.btn--line:hover { color: #fff; }
.more { color: var(--accent-d); font: 600 14px var(--head); text-transform: uppercase; text-decoration: none; letter-spacing: .05em; }

/* ---------- header ---------- */
.header { position: sticky; top: 0; z-index: 20; background: var(--navy); color: #fff; }
.header__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { display: block; height: 48px; width: auto; }
.logo__ua { font: 600 13px var(--head); background: var(--accent); color: #fff; padding: 2px 7px; border-radius: 2px; letter-spacing: .08em; align-self: flex-start; margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font: 500 15px var(--head); text-transform: uppercase; letter-spacing: .06em; }
.nav a:hover, .nav a.active { color: var(--accent); }
.nav__drop { position: relative; display: flex; align-items: center; gap: 4px; height: 72px; }
.nav__toggle { background: none; border: 0; color: inherit; cursor: pointer; padding: 4px; display: grid; }
.nav__sub { position: absolute; top: 100%; left: -18px; min-width: 260px; background: #fff; color: var(--text); box-shadow: 0 14px 30px #0003; border-top: 3px solid var(--accent); padding: 8px 0; display: none; }
.nav__sub a { display: block; padding: 9px 20px; font-size: 14px; }
.nav__sub a:hover { background: var(--bg-alt); color: var(--accent-d); }
.nav__drop:hover .nav__sub, .nav__drop:focus-within .nav__sub, .nav__drop.open .nav__sub { display: block; }
.header__right { display: flex; align-items: center; gap: 12px; }
.lang { display: flex; border: 1px solid #ffffff40; border-radius: 2px; }
.lang a { color: #fff; padding: 6px 10px; font: 600 13px var(--head); text-decoration: none; }
.lang a[aria-current] { background: var(--accent); }
.burger { display: none; background: none; border: 0; width: 32px; cursor: pointer; padding: 4px; }
.burger span { display: block; height: 2px; background: #fff; margin: 6px 0; }

/* ---------- hero / page head ---------- */
.hero, .pagehead { background: radial-gradient(circle at 80% 60%, #2f3848 0, var(--navy) 60%); color: #fff; position: relative; overflow: hidden; }
.hero::after, .pagehead::after { content: ""; position: absolute; right: -80px; bottom: -80px; width: 520px; height: 520px; background: repeating-linear-gradient(45deg, #ffffff08 0 2px, transparent 2px 22px); border-radius: 50%; pointer-events: none; }
.hero { padding: 120px 0 130px; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); max-width: 14ch; }
.hero p { max-width: 560px; margin: 20px 0 34px; font-size: 18px; color: #d7dbe2; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.pagehead { padding: 70px 0 64px; }
.pagehead h1 { font-size: clamp(32px, 5vw, 52px); color: #fff; }
.pagehead p { color: var(--accent); margin-top: 8px; font: 500 18px var(--head); text-transform: uppercase; letter-spacing: .06em; }
.crumbs { font-size: 13px; color: #aab1bd; margin-bottom: 16px; }
.crumbs a { color: #d7dbe2; text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

.facts { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 64px; background: #ffffff1f; position: relative; z-index: 1; }
.facts li { background: var(--navy); padding: 18px 20px; display: grid; gap: 2px; }
.facts b { font: 600 24px var(--head); color: var(--accent); text-transform: uppercase; }
.facts span { font-size: 14px; color: #c3c8d1; }

/* ---------- sections ---------- */
.section { padding: 90px 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--navy); color: #fff; }
.section--dark .eyebrow { color: #aab1bd; }

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.split--rev { grid-template-columns: 1fr 1.1fr; }
.split__img img { width: 100%; height: auto; display: block; box-shadow: 18px 18px 0 var(--accent); }
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 18px; }
.card { background: #fff; border: 1px solid var(--line); color: inherit; text-decoration: none; display: flex; flex-direction: column; overflow: hidden; transition: transform .2s, box-shadow .2s, border-color .2s; }
.card__img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; transition: transform .4s; }
.card:hover .card__img { transform: scale(1.04); }
.card__body { display: flex; flex-direction: column; gap: 8px; padding: 20px 22px 24px; flex: 1; position: relative; background: #fff; }
.card svg { color: var(--accent); position: absolute; top: -26px; left: 18px; width: 48px; height: 48px; padding: 9px; background: var(--navy); border-radius: 50%; }
.card h3 { margin-top: 14px; }
.card p { color: var(--muted); font-size: 14px; flex: 1; }
.card__more { font: 600 13px var(--head); text-transform: uppercase; color: var(--accent-d); letter-spacing: .05em; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px #1f263214; border-color: var(--accent); }

.brands__title { margin: 56px 0 18px; font-size: 17px; color: var(--muted); }
.brands { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.brands img { width: 108px; height: auto; aspect-ratio: 1; object-fit: contain; background: #fff; border: 1px solid var(--line); padding: 10px; filter: grayscale(1); opacity: .75; transition: filter .2s, opacity .2s; }
.brands img:hover { filter: none; opacity: 1; }

.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.steps li { counter-increment: s; background: var(--bg-alt); padding: 26px 22px; border-top: 3px solid var(--accent); }
.section--alt .steps li { background: #fff; }
.steps li::before { content: "0" counter(s); display: block; font: 700 34px var(--head); color: var(--accent); opacity: .45; margin-bottom: 6px; }
.steps h3 { margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 15px; }

.grid--ind { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.ind { border-top: 3px solid var(--accent); padding-top: 18px; }
.ind h3 { margin-bottom: 8px; }
.ind p { color: #c3c8d1; font-size: 14px; }

.faq { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 36px 18px 0; font-weight: 500; font-size: 17px; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 26px; color: var(--accent); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 18px; color: var(--muted); }

/* ---------- category page ---------- */
.cat { display: grid; grid-template-columns: 1fr 300px; gap: 50px; align-items: start; }
.cat__intro { display: flex; gap: 20px; margin-bottom: 36px; font-size: 17px; }
.cat__intro svg { color: var(--accent); flex: none; }
.list { padding-left: 0; list-style: none; display: grid; gap: 6px; }
.list li { padding-left: 22px; position: relative; }
.list li::before { content: ""; position: absolute; left: 2px; top: .65em; width: 8px; height: 8px; background: var(--accent); }
.acc { border: 1px solid var(--line); margin-bottom: 10px; background: #fff; }
.acc summary { cursor: pointer; list-style: none; display: flex; gap: 14px; align-items: center; padding: 18px 54px 18px 22px; font: 500 18px var(--head); text-transform: uppercase; position: relative; transition: background .2s; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; position: absolute; right: 22px; font-size: 28px; color: var(--accent); transition: transform .2s; }
.acc[open] summary { background: var(--navy); color: #fff; }
.acc[open] summary::after { transform: rotate(45deg); }
.acc summary:hover { background: var(--bg-alt); }
.acc[open] summary:hover { background: var(--navy-2); }
.acc__n { color: var(--accent); }
.acc__body { padding: 24px 22px 28px; }
.acc__body--img { display: grid; grid-template-columns: 1fr 280px; gap: 28px; align-items: start; }
.acc__body h4 { margin: 22px 0 10px; color: var(--navy); }
.acc__img { padding: 0; border: 0; background: none; cursor: zoom-in; position: sticky; top: 96px; }
.acc__img img { width: 100%; height: auto; display: block; border-bottom: 3px solid var(--accent); }
.cat__aside { position: sticky; top: 96px; display: grid; gap: 20px; }
.side { background: var(--bg-alt); padding: 8px 0; }
.side h4 { padding: 14px 22px 10px; color: var(--muted); font-size: 13px; letter-spacing: .14em; }
.side a { display: block; padding: 10px 22px; text-decoration: none; border-left: 3px solid transparent; font-size: 15px; }
.side a:hover { color: var(--accent-d); }
.side a[aria-current] { border-left-color: var(--accent); background: #fff; font-weight: 500; }
.ctabox { background: var(--navy); color: #fff; padding: 26px 22px; display: grid; gap: 12px; }
.ctabox h4 { color: var(--accent); font-size: 18px; }
.ctabox p { color: #c3c8d1; font-size: 14px; }
.ctabox__phone { font: 600 20px var(--head); text-decoration: none; }
.ctabox__mail { color: #d7dbe2; font-size: 15px; text-decoration: none; word-break: break-all; }
.ctabox__mail:hover, .ctabox__phone:hover { color: var(--accent); }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gallery__item { padding: 0; border: 0; cursor: zoom-in; overflow: hidden; background: none; }
.gallery__item img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; transition: transform .3s; }
.gallery__item:hover img { transform: scale(1.05); }
.zoom { padding: 0; border: 0; background: none; max-width: min(1024px, 96vw); margin: auto; cursor: zoom-out; }
.zoom::backdrop { background: #0a0d12e6; }
.zoom img { display: block; width: 100%; height: auto; max-height: 90vh; object-fit: contain; }

/* ---------- about ---------- */
.what { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.what__item { padding: 28px 22px; border: 1px solid var(--line); border-top: 3px solid var(--accent); }
.what__item svg { color: var(--accent); margin-bottom: 14px; }
.what__item h3 { margin-bottom: 8px; font-size: 17px; }
.what__item p { color: var(--muted); font-size: 15px; }

/* ---------- contacts ---------- */
.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contacts h2 { font-size: 28px; }
.contact__card { font-style: normal; display: grid; gap: 6px; margin-top: 26px; padding: 24px; border-left: 3px solid var(--accent); background: #fff; }
.contacts .contact__card { background: var(--bg-alt); margin-top: 0; }
.contact__card a { color: var(--accent-d); }
.team { display: grid; gap: 14px; }
.team__item { padding: 20px 22px; border-left: 3px solid var(--accent); background: var(--bg-alt); display: grid; gap: 2px; }
.team__item h4 { color: var(--accent-d); font-size: 18px; }
.team__item a { text-decoration: none; }
.team__item a:hover { color: var(--accent-d); }
.prose { max-width: 760px; font-size: 17px; }

/* ---------- form ---------- */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.form input, .form textarea { font: inherit; color: var(--text); border: 1px solid var(--line); padding: 11px 12px; border-radius: 2px; background: #fff; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form .full { grid-column: 1 / -1; }
.form .consent { display: flex; gap: 10px; align-items: flex-start; }
.form .consent input { margin-top: 4px; }
.consent a { color: var(--accent-d); }
.form input.invalid, .form textarea.invalid { border-color: #d64545; background: #fff7f7; }
.form__err { color: #c0392b; font-size: 13px; min-height: 0; }
.form__err:empty { display: none; }
.form .consent.invalid span { color: #c0392b; }
.form .consent.invalid input { outline: 2px solid #d64545; }
.btn--ok, .btn--ok:hover, .btn--ok:disabled { background: #2e9e57; border-color: #2e9e57; opacity: 1; }
.btn:disabled { cursor: default; opacity: .85; }
.form__note { padding: 12px; }
.form__note.ok { background: #e7f6ec; color: #1d6b3a; }
.form__note.err { background: #fdecec; color: #9b1c1c; }
.hp { position: absolute; left: -9999px; }

/* ---------- footer ---------- */
.footer { background: #161b24; color: #9aa2ae; font-size: 14px; padding: 60px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr; gap: 36px; }
.footer h4 { color: #fff; margin-bottom: 14px; letter-spacing: .08em; }
.footer p { margin-top: 14px; }
.footer address { font-style: normal; line-height: 1.8; margin-bottom: 10px; }
.footer address b { color: #d7dbe2; }
.footer a { color: #9aa2ae; text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer__links { display: grid; gap: 6px; }
.footer__bottom { border-top: 1px solid #ffffff14; margin-top: 44px; padding: 20px 0; }

/* ---------- fab ---------- */
.fab { position: fixed; right: 20px; bottom: 20px; z-index: 30; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.fab__btn { width: 58px; height: 58px; border-radius: 50%; border: 0; background: var(--accent); color: #fff; cursor: pointer; box-shadow: 0 8px 22px #0003; display: grid; place-items: center; transition: transform .2s; }
.fab__btn:hover { transform: scale(1.06); }
.fab__menu { display: none; flex-direction: column; gap: 8px; }
.fab.open .fab__menu { display: flex; }
.fab__menu a { background: var(--navy); color: #fff; text-decoration: none; padding: 10px 16px; border-radius: 22px; font: 500 14px var(--head); text-transform: uppercase; letter-spacing: .05em; box-shadow: 0 4px 14px #0002; text-align: right; }
.fab__menu a:hover { background: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .cat { grid-template-columns: 1fr; }
  .cat__aside { position: static; grid-template-columns: 1fr 1fr; }
  .what { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .split, .split--rev, .contact, .contacts, .faq { grid-template-columns: 1fr; gap: 36px; }
  .split--rev .split__img { order: 2; }
  .faq { gap: 8px; }
  .facts, .steps { grid-template-columns: 1fr 1fr; }
  .burger { display: block; }
  .nav { position: fixed; inset: 72px 0 auto 0; max-height: calc(100vh - 72px); overflow: auto; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy-2); padding: 8px 16px 16px; transform: translateY(-120%); transition: transform .25s; z-index: -1; }
  .nav > a, .nav__drop > a { padding: 12px 0; border-bottom: 1px solid #ffffff14; flex: 1; }
  .nav__drop { height: auto; flex-wrap: wrap; }
  .nav__toggle { padding: 12px; }
  .nav__sub { position: static; box-shadow: none; border: 0; background: none; color: #d7dbe2; width: 100%; padding: 0 0 8px 12px; }
  .nav__drop:hover .nav__sub { display: none; }
  .nav__drop.open .nav__sub { display: block; }
  .nav__sub a:hover { background: none; }
  .menu-open .nav { transform: none; }
  .hero { padding: 80px 0 90px; }
  .section { padding: 64px 0; }
  .acc__body--img { grid-template-columns: 1fr; }
  .acc__img { position: static; order: -1; }
}
@media (max-width: 560px) {
  .form { grid-template-columns: 1fr; }
  .steps, .what, .cat__aside, .footer__grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 8px; }
  .brands img { width: calc((100% - 24px) / 3); }
  .facts b { font-size: 20px; }
  .fab { right: 14px; bottom: 14px; }
  .logo img { height: 38px; }
  .acc summary { font-size: 16px; padding: 16px 48px 16px 16px; }
  .acc__body { padding: 18px 16px 22px; }
  .split__img img { box-shadow: 10px 10px 0 var(--accent); }
}