:root {
  --bg: #f1f3f6;
  --bg-soft: #e6e9ee;
  --card: #ffffff;
  --text: #111318;
  --muted: #616875;
  --line: #cfd5dd;
  --line-dark: rgba(255,255,255,.16);
  --silver: #d9dee6;
  --dark: #0d1118;
  --dark-2: #151a23;
  --dark-3: #202630;
  --accent: #8a94a3;
  --accent-light: #eef1f5;
  --radius: 6px;
  --shadow: 0 18px 60px rgba(9, 14, 24, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(17, 19, 24, .035) 1px, transparent 1px),
    linear-gradient(rgba(17, 19, 24, .035) 1px, transparent 1px);
  background-size: 56px 56px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  background: #080b10;
  color: #c5ccd6;
  font-size: 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.topbar-inner {
  min-height: 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(241, 243, 246, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}
.logo-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f7f9fc, #b9c0ca);
  border: 1px solid #aeb6c2;
  color: #111318;
  font-weight: 950;
  letter-spacing: -.09em;
}
.logo b { display:block; letter-spacing: .08em; line-height: 1; }
.logo small { display:block; margin-top: 4px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  padding: 27px 11px 24px;
  min-height: 78px;
  display: inline-flex;
  align-items: center;
  color: #3a414d;
  font-size: 14px;
  font-weight: 700;
  border-bottom: 3px solid transparent;
}
.nav a:hover, .nav a.is-active { color: #080b10; border-bottom-color: #080b10; background: rgba(255,255,255,.5); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  font-weight: 850;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: #111318; color: #fff; border-color: #111318; }
.btn--primary:hover { background: #2d3440; border-color: #2d3440; }
.btn--ghost { background: transparent; color: #111318; border-color: #aeb6c2; }
.btn--ghost:hover { background: #fff; border-color: #111318; }
.btn--light { background: #fff; color: #111318; border-color: #fff; }
.btn--light:hover { background: #dfe5ed; border-color: #dfe5ed; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.045em; line-height: .98; }
h1 { font-size: clamp(44px, 7vw, 94px); margin-bottom: 24px; }
h2 { font-size: clamp(34px, 5vw, 62px); margin-bottom: 18px; }
h3 { font-size: 24px; margin-bottom: 12px; }
p { line-height: 1.65; }
.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  color: #4f5865;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.muted { color: var(--muted); }
.small { font-size: 13px; }
.lead { color: var(--muted); font-size: 18px; }

.hero {
  min-height: calc(100vh - 112px);
  background:
    linear-gradient(90deg, rgba(8,11,16,.93) 0%, rgba(13,17,24,.92) 45%, rgba(26,32,42,.72) 100%),
    radial-gradient(circle at 78% 24%, rgba(216,224,235,.25), transparent 34%),
    linear-gradient(135deg, #0a0d12, #252b35);
  color: #fff;
  border-bottom: 1px solid #aeb6c2;
}
.hero-grid {
  min-height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 54px;
  padding: 72px 0;
}
.hero-content p { max-width: 710px; color: #d2d8e1; font-size: 19px; }
.hero .eyebrow, .section--dark .eyebrow { color: #d5dbe4; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero .btn--ghost { color: #fff; border-color: rgba(255,255,255,.36); }
.hero .btn--ghost:hover { color: #111318; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 52px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.12);
}
.hero-stats div { padding: 20px 18px; background: rgba(13,17,24,.62); }
.hero-stats b { display: block; margin-bottom: 9px; font-size: 22px; color: #fff; }
.hero-stats span { color: #bcc5d1; font-size: 13px; line-height: 1.45; }
.hero-visual { position: relative; min-height: 560px; display: grid; place-items: center; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 5% 0 0 4%;
  background-image: linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(90deg, transparent, #000 28%, #000 72%, transparent);
}
.device-frame {
  position: relative;
  z-index: 2;
  width: min(520px, 100%);
  min-height: 420px;
  padding: 22px;
  background: linear-gradient(145deg, #d9dee6, #737d8c 48%, #111820 49%, #070a0e 100%);
  border: 1px solid rgba(255,255,255,.34);
  box-shadow: 0 40px 110px rgba(0,0,0,.42);
}
.device-frame__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #070a0e;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 900;
  margin-bottom: 18px;
}
.device-frame__screen {
  min-height: 250px;
  padding: 28px;
  display: grid;
  align-content: center;
  gap: 12px;
  background: #0d1118;
  border: 1px solid rgba(255,255,255,.16);
}
.device-frame__screen span {
  display: block;
  padding: 10px 12px;
  border-left: 3px solid #c7ced8;
  color: #e5e9ef;
  background: linear-gradient(90deg, rgba(255,255,255,.09), transparent);
  font-weight: 900;
  letter-spacing: .12em;
}
.device-frame__specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 18px; background: rgba(255,255,255,.16); }
.device-frame__specs i { font-style: normal; text-align: center; padding: 14px 8px; background: #0d1118; color: #cfd5dd; font-weight: 800; }

.promo-rail { background: #111318; color: #fff; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.16); }
.promo-card { min-height: 144px; padding: 28px; background: #171d26; display: grid; gap: 10px; }
.promo-card:hover { background: #202733; }
.promo-card span, .series-card__status, .service-card span { color: #aeb6c2; text-transform: uppercase; letter-spacing: .16em; font-size: 11px; font-weight: 950; }
.promo-card b { font-size: 28px; letter-spacing: -.04em; }
.promo-card em { color: #c5ccd6; font-style: normal; }

.section { padding: 90px 0; }
.section--soft { background: linear-gradient(180deg, #eef1f5, #f8fafc); }
.section--dark { background: var(--dark); color: #f8fafc; }
.section--dark p, .section--dark .lead { color: #c5ccd6; }
.section--catalog-preview { background: #f8fafc; }
.section-head { max-width: 820px; margin-bottom: 34px; }
.section-head p { color: var(--muted); font-size: 17px; }
.section-head--row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 30px; }

.series-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.series-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: #fff;
  transition: background .18s ease, color .18s ease;
}
.series-card h3 { margin-top: 58px; }
.series-card p { color: var(--muted); }
.series-card b { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); font-size: 15px; text-transform: uppercase; letter-spacing: .08em; }
.series-card:hover { background: #151a23; color: #fff; }
.series-card:hover p { color: #c5ccd6; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100%;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(15,23,42,.055);
}
.product-card__media { display: block; background: #e8ecf2; border-bottom: 1px solid var(--line); }
.product-card__image { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 16px; background: #eef1f5; }
.product-card__body { display: flex; flex-direction: column; flex: 1; padding: 22px; }
.product-card__topline { display:flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 14px; }
.badge { padding: 5px 9px; border: 1px solid #aeb6c2; background: #f6f8fa; color: #303744; font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.product-card__title { font-size: 23px; margin-bottom: 10px; }
.product-card__title a:hover { color: #4b5563; }
.product-card__description { color: var(--muted); font-size: 14px; min-height: 70px; }
.config-list { padding: 0; margin: 8px 0 20px; list-style: none; display: grid; gap: 8px; font-size: 14px; color: #374151; }
.config-list li { display: flex; gap: 8px; border-bottom: 1px solid #eef1f5; padding-bottom: 7px; }
.product-card__footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 18px; border-top: 1px solid #dfe4eb; }
.price { font-size: 24px; font-weight: 950; letter-spacing: -.04em; }

.pro-section { border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.solution-card { min-height: 300px; padding: 28px; background: #151a23; }
.solution-card span, .steps-grid span { color: #aeb6c2; font-weight: 950; letter-spacing: .12em; }
.solution-card h3 { margin-top: 58px; color: #fff; }
.solution-card p { color: #c5ccd6; }

.section--projects { background: #fff; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-grid--strict { grid-template-columns: 1.2fr .9fr .9fr; }
.gallery-item { margin: 0; overflow: hidden; border: 1px solid var(--line); background: #f8fafc; }
.gallery-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #e9edf3; }
.gallery-item--large img { aspect-ratio: 4 / 3; }
.gallery-item figcaption { display: flex; gap: 12px; align-items: center; min-height: 64px; padding: 16px 18px; font-weight: 900; border-top: 1px solid var(--line); }
.gallery-item figcaption span { color: #8a94a3; font-size: 12px; letter-spacing: .12em; }

.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card { min-height: 230px; padding: 28px; background: #fff; }
.service-card h3 { margin-top: 34px; }
.service-card p { color: var(--muted); }
.why-section { background: #eef1f5; }
.split-grid, .custom-order-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 46px; align-items: start; }
.facts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.fact-card { padding: 24px; min-height: 160px; background: #fff; display: grid; gap: 16px; }
.fact-card b { font-size: 22px; letter-spacing: -.03em; }
.fact-card span { color: var(--muted); line-height: 1.55; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.steps-grid article { min-height: 250px; padding: 28px; background: #fff; }
.steps-grid h3 { margin-top: 52px; }
.steps-grid p { color: var(--muted); }

.page-hero { padding: 78px 0 52px; background: linear-gradient(135deg, #0f131a, #303744); color: #fff; border-bottom: 1px solid #9aa3b2; }
.page-hero h1 { max-width: 960px; }
.page-hero p { color: #cbd2dc; font-size: 19px; max-width: 760px; }
.catalog-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.chip { padding: 10px 14px; background: #fff; border: 1px solid var(--line); color: var(--muted); font-weight: 800; font-size: 13px; }
.chip.is-active, .chip:hover { color: #fff; background: #111318; border-color: #111318; }
.seo-text { padding: 56px 0; background: #fff; color: var(--muted); border-top: 1px solid var(--line); }
.seo-text h2 { color: var(--text); }

.product-detail { padding: 78px 0; }
.product-detail-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: start; }
.product-detail-media { overflow: hidden; border: 1px solid var(--line); background: #eef1f5; box-shadow: var(--shadow); }
.product-detail-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 22px; }
.product-detail-info h1 { font-size: clamp(38px, 5vw, 64px); }
.detail-price { font-size: 36px; font-weight: 950; margin: 20px 0; }
.detail-badges { display:flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.detail-badges span { padding: 8px 12px; background: #fff; border: 1px solid var(--line); font-weight: 800; font-size: 13px; }
.spec-table { display: grid; gap: 0; border: 1px solid var(--line); background: #fff; }
.spec-table div { display: grid; grid-template-columns: 190px 1fr; gap: 16px; padding: 15px 18px; border-bottom: 1px solid var(--line); }
.spec-table div:last-child { border-bottom: 0; }
.spec-table dt { color: var(--muted); }
.spec-table dd { margin: 0; font-weight: 850; }
.product-actions { display:flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 7px; font-weight: 800; }
.form input, .form textarea, .form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 13px 14px;
  background: #fff;
  outline: none;
}
.form input:focus, .form textarea:focus { border-color: #111318; box-shadow: 0 0 0 3px rgba(17,19,24,.1); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-message { margin: 0; min-height: 22px; font-weight: 850; }
.form-message.is-success { color: #16a34a; }
.form-message.is-error { color: #ef4444; }
.form--dark { background: #151a23; border: 1px solid var(--line-dark); padding: 26px; }
.form--dark input, .form--dark textarea { background: #f8fafc; color: #111318; }
.section--dark .form label { color: #f8fafc; }

.modal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.is-open { display: flex; }
.modal__overlay { position: absolute; inset: 0; background: rgba(8,11,16,.78); backdrop-filter: blur(8px); }
.modal__panel { position: relative; z-index: 1; width: min(620px, 100%); max-height: calc(100vh - 40px); overflow: auto; background: #fff; border: 1px solid var(--line); padding: 30px; box-shadow: 0 40px 100px rgba(0,0,0,.35); }
.modal__close { position:absolute; top: 16px; right: 16px; border:1px solid var(--line); background: #eef1f5; width: 38px; height: 38px; cursor:pointer; font-size: 24px; }

.site-footer { background: #090c12; color: #e5e7eb; padding: 60px 0 24px; border-top: 1px solid rgba(255,255,255,.12); }
.footer-grid { display: grid; grid-template-columns: 1.15fr .7fr .7fr 1fr; gap: 34px; }
.footer-grid h3 { color: #fff; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
.footer-grid a { display: block; color: #cbd5e1; margin: 8px 0; }
.footer-text, .footer-grid p { color: #cbd5e1; }
.logo--footer .logo-mark { background: linear-gradient(145deg, #ffffff, #9ca3af); }
.footer-bottom { margin-top: 38px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); display:flex; flex-wrap: wrap; gap: 16px; color: #94a3b8; font-size: 14px; }
.footer-bottom a { color: #cbd5e1; }

@media (max-width: 1100px) {
  .nav { display: none; }
  .series-grid, .solution-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 920px) {
  .hero-grid, .split-grid, .custom-order-grid, .product-detail-grid { grid-template-columns: 1fr; }
  .hero-grid { min-height: auto; }
  .hero-visual { min-height: 420px; }
  .section-head--row { align-items: flex-start; flex-direction: column; }
  .gallery-grid--strict, .gallery-grid, .service-grid, .facts-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1220px); }
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 10px 0; gap: 4px; }
  .header-cta { display: none; }
  .hero { min-height: auto; }
  .hero-grid { padding: 54px 0; }
  .hero-stats, .promo-grid, .series-grid, .solution-grid, .product-grid, .gallery-grid--strict, .gallery-grid, .service-grid, .facts-grid, .steps-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .device-frame { min-height: 340px; }
  .device-frame__screen { min-height: 210px; }
  .product-card__footer { align-items: stretch; flex-direction: column; }
  .product-card__footer .btn, .product-actions .btn { width: 100%; }
  .spec-table div { grid-template-columns: 1fr; gap: 4px; }
}