:root {
  --ink: #0a0f16;
  --ink-2: #111a25;
  --paper: #f4f6f8;
  --white: #ffffff;
  --signal: #00aeef;
  --signal-dark: #008fc5;
  --text: #111823;
  --muted: #667180;
  --line: #d8dee5;
  --line-dark: rgba(255, 255, 255, .14);
  --shell: 1240px;
  --radius: 12px;
  --shadow: 0 24px 70px rgba(4, 10, 17, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Manrope", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 999; padding: 12px 16px; background: var(--signal); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 76px;
  color: #fff;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(10, 15, 22, .94);
  backdrop-filter: blur(14px);
}
.header-inner { height: 100%; display: grid; grid-template-columns: 230px 1fr auto; align-items: center; gap: 28px; }
.brand-lockup { display: inline-flex; align-items: center; gap: 11px; width: max-content; font-size: 16px; font-weight: 800; letter-spacing: .14em; }
.brand-lockup img { width: 35px; height: 35px; border-radius: 8px; }
.main-nav { display: flex; justify-content: center; gap: clamp(18px, 2.5vw, 38px); }
.main-nav a, .login-link { color: #b6c0cb; font-size: 13px; font-weight: 600; transition: color .2s ease; }
.main-nav a:hover, .login-link:hover { color: #fff; }
.header-actions { display: flex; align-items: center; gap: 22px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line-dark); background: transparent; color: #fff; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 5px auto; background: currentColor; transition: transform .2s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 28px; padding: 0 22px; border: 1px solid transparent; border-radius: 6px; font-size: 13px; font-weight: 800; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 17px; }
.button-small { min-height: 40px; padding-inline: 17px; gap: 18px; }
.button-signal { color: var(--ink); background: var(--signal); }
.button-signal:hover { background: #30c6ff; }
.button-outline { color: #fff; border-color: rgba(255, 255, 255, .28); }
.button-outline:hover { border-color: #fff; }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { background: #1a2634; }

.hero { min-height: 100vh; padding: 148px 0 0; color: #fff; background: var(--ink); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(480px, .98fr); gap: clamp(52px, 7vw, 106px); align-items: center; min-height: 650px; }
.eyebrow, .overline { margin: 0 0 22px; color: var(--signal); font-size: 11px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 24px; height: 2px; background: var(--signal); }
.hero h1 { margin: 0; max-width: 780px; font-size: clamp(48px, 5.8vw, 82px); line-height: .98; letter-spacing: -.06em; }
.hero h1 em { color: var(--signal); font-style: normal; font-weight: 500; }
.hero-lead { max-width: 660px; margin: 32px 0 0; color: #bac4cf; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 54px 0 0; padding: 0; border-top: 1px solid var(--line-dark); }
.hero-facts div { display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 19px 16px 0 0; }
.hero-facts dt { color: var(--signal); font-size: 10px; font-weight: 800; }
.hero-facts dd { margin: 0; color: #9da8b4; font-size: 12px; line-height: 1.55; }

.hero-system { position: relative; min-height: 560px; border: 1px solid rgba(255, 255, 255, .17); background: #0d141d; box-shadow: 22px 22px 0 rgba(0, 174, 239, .08); }
.hero-system::before, .hero-system::after { content: ""; position: absolute; width: 10px; height: 10px; border-color: var(--signal); }
.hero-system::before { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.hero-system::after { right: -1px; bottom: -1px; border-right: 2px solid; border-bottom: 2px solid; }
.brand-panel { height: 190px; border-bottom: 1px solid var(--line-dark); overflow: hidden; background: #0a0f16; }
.brand-panel img { width: 100%; height: 100%; object-fit: contain; }
.system-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; color: #758190; border-bottom: 1px solid var(--line-dark); font-size: 9px; font-weight: 800; letter-spacing: .15em; }
.system-status { display: flex; align-items: center; gap: 8px; color: #b8c2cc; letter-spacing: .04em; }
.system-status i, .available i { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(0, 174, 239, .12); }
.system-flow { display: grid; grid-template-columns: 110px 1fr minmax(190px, 1.4fr); align-items: center; gap: 14px; padding: 32px 22px; }
.source-stack { display: grid; gap: 7px; }
.source-stack span { padding: 7px 9px; color: #acb5bf; border: 1px solid var(--line-dark); font-size: 10px; }
.flow-line { height: 1px; background: rgba(0, 174, 239, .5); }
.flow-line i { display: block; width: 7px; height: 7px; margin: -3px 0 0 auto; border-top: 1px solid var(--signal); border-right: 1px solid var(--signal); transform: rotate(45deg); }
.core-stack { padding: 22px; border-left: 3px solid var(--signal); background: #131d29; }
.core-stack small { color: var(--signal); font-size: 9px; letter-spacing: .13em; }
.core-stack strong { display: block; margin-top: 9px; font-size: 16px; }
.core-stack p { margin: 9px 0 0; color: #8995a2; font-size: 11px; line-height: 1.65; }
.system-output { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.system-output span { padding: 16px 10px; color: #a8b3be; border-right: 1px solid var(--line-dark); font-size: 9px; text-align: center; }
.system-output span:last-child { border-right: 0; }
.source-rail { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); margin-top: 70px; border-top: 1px solid var(--line-dark); }
.source-rail span, .source-rail b { padding: 25px 0; border-right: 1px solid var(--line-dark); color: #7f8a96; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.source-rail b { padding-left: 26px; color: #fff; font-size: 12px; }

.section { padding: 124px 0; }
.section-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; margin-bottom: 64px; }
.section-intro h2, .capability-lead h2, .sticky-copy h2, .security-title h2, .implementation h2, .faq h2, .contact h2 { margin: 0; font-size: clamp(38px, 5vw, 66px); line-height: 1.08; letter-spacing: -.055em; }
.section-intro h2 span { color: #8b96a2; font-weight: 500; }
.intro-copy, .section-intro.compact > p { max-width: 540px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.intro-copy p { margin: 0 0 24px; }
.text-arrow { display: flex; justify-content: space-between; padding-bottom: 10px; color: var(--text); border-bottom: 1px solid var(--text); font-size: 13px; font-weight: 800; }

.product { background: #fff; }
.product-console { display: grid; grid-template-columns: 220px 1fr; min-height: 620px; border: 1px solid #cfd6de; background: #f7f9fb; box-shadow: var(--shadow); }
.console-nav { display: flex; flex-direction: column; gap: 3px; padding: 22px 16px; color: #687482; border-right: 1px solid #dde2e7; background: #fff; font-size: 11px; }
.console-nav > span:not(.console-brand), .console-nav > b { padding: 10px 12px; border-radius: 5px; }
.console-nav > b { color: #07111b; background: rgba(0, 174, 239, .11); }
.console-nav > small { margin: 22px 12px 8px; color: #9ba4ae; font-size: 8px; letter-spacing: .12em; }
.console-brand { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.console-brand img { width: 24px; height: 24px; border-radius: 5px; }
.console-main { padding: 30px; overflow: hidden; }
.console-top { display: flex; justify-content: space-between; align-items: center; }
.console-top div:first-child { display: grid; gap: 5px; }
.console-top small, .metric-row small, .chart-block small, .attention-block small { color: #8a96a3; font-size: 10px; }
.console-top strong { font-size: 16px; }
.periods { display: flex; gap: 3px; padding: 4px; border: 1px solid #dce2e8; background: #fff; }
.periods span, .periods b { padding: 7px 10px; font-size: 9px; }
.periods b { color: #fff; background: var(--ink); }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 26px; }
.metric-row article { min-width: 0; padding: 18px; border: 1px solid #dce2e8; background: #fff; }
.metric-row strong, .metric-row span { display: block; }
.metric-row strong { margin-top: 22px; font-size: 14px; }
.metric-row span { margin-top: 7px; color: var(--signal-dark); font-size: 9px; }
.console-bottom { display: grid; grid-template-columns: 1.65fr .75fr; gap: 10px; margin-top: 10px; }
.chart-block, .attention-block { padding: 20px; border: 1px solid #dce2e8; background: #fff; }
.chart-block > div:first-child, .attention-block > div:first-child { display: flex; justify-content: space-between; gap: 16px; }
.chart-block svg { width: 100%; height: 230px; margin-top: 18px; overflow: visible; }
.grid-line { fill: none; stroke: #e8edf1; stroke-width: 1; }
.chart-a, .chart-b { fill: none; stroke-width: 2.5; stroke-linecap: round; }
.chart-a { stroke: var(--signal); }
.chart-b { stroke: #263646; opacity: .65; }
.attention-block p { display: flex; gap: 10px; align-items: center; margin: 18px 0 0; padding-top: 18px; border-top: 1px solid #ebeff2; }
.attention-block i { width: 10px; height: 10px; border: 2px solid var(--signal); border-radius: 50%; }
.attention-block i.warn { border-color: #ffb65d; }
.attention-block span { display: grid; gap: 4px; }
.attention-block b { font-size: 10px; }
.console-note { margin: 14px 0 0; color: #8995a1; font-size: 9px; }

.capabilities { background: var(--paper); }
.section-label { display: flex; justify-content: space-between; margin-bottom: 22px; color: #89939e; font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-grid article { min-height: 260px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.capability-grid .capability-lead { grid-row: span 2; min-height: 520px; color: #fff; background: var(--ink); }
.capability-grid article > span { color: var(--signal-dark); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.capability-grid h3 { margin: 65px 0 13px; font-size: 20px; letter-spacing: -.025em; }
.capability-grid article > p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.capability-lead h2 { margin-top: 34px; font-size: clamp(36px, 4vw, 55px); }
.capability-grid .capability-lead > p:last-child { margin-top: 34px; color: #aab4bf; font-size: 14px; }
.services { background: #fff; }
.services-intro { margin-bottom: 54px; }
.service-grid { display: grid; grid-template-columns: 1fr 1fr .72fr; gap: 14px; }
.service-card { min-height: 470px; padding: 30px; border: 1px solid var(--line); background: var(--paper); display: flex; flex-direction: column; justify-content: space-between; }
.service-card-dark { color: #fff; background: var(--ink); border-color: var(--ink); }
.service-top { display: flex; justify-content: space-between; align-items: center; color: var(--signal-dark); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.service-card-dark .service-top { color: #8bdfff; }
.service-tag { font-size: 9px; }
.service-card h3 { margin: 38px 0 15px; font-size: clamp(25px, 2.5vw, 38px); line-height: 1.05; letter-spacing: -.045em; }
.service-card p { max-width: 420px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.service-card-dark p { color: #aebbc7; }
.service-card ul { margin: 30px 0 0; padding: 18px 0 0 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 2; }
.service-card-dark ul { border-color: rgba(255,255,255,.16); color: #c2ced8; }
.service-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 22px; color: var(--signal-dark); font-size: 11px; font-weight: 800; }
.service-card-dark .service-link { color: #8bdfff; }
.service-link span { transition: transform .18s ease; }
.service-link:hover span { transform: translate(3px,-3px); }
.service-note { display: flex; flex-direction: column; justify-content: center; gap: 22px; padding: 29px; background: #e8f7fd; border: 1px solid #c7eaf7; }
.service-note .overline { color: var(--signal-dark); }
.service-note strong { font-size: 22px; line-height: 1.15; letter-spacing: -.035em; }
.service-note p { margin: 0; color: #516473; font-size: 12px; line-height: 1.75; }
.service-note .text-arrow { color: var(--ink); font-size: 12px; font-weight: 800; }
.service-note .text-arrow span { color: var(--signal-dark); }

.integrations { background: #fff; }
.integration-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; align-items: start; }
.sticky-copy { position: sticky; top: 120px; }
.sticky-copy h2 { max-width: 500px; }
.sticky-copy > p:not(.overline) { max-width: 480px; margin: 28px 0 34px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.integration-table { border-top: 1px solid var(--line); }
.integration-table article { display: grid; grid-template-columns: 1fr 1.25fr auto; gap: 28px; align-items: center; min-height: 156px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.market-id { display: flex; align-items: center; gap: 15px; }
.market-logo { display: grid; flex: 0 0 auto; width: 42px; height: 42px; place-items: center; color: #fff; border-radius: 8px; font-size: 13px; font-weight: 800; }
.market-logo.ozon { background: #005bff; }
.market-logo.wb { background: #a4149a; }
.market-logo.yandex { color: #111; border: 1px solid #ddd; background: #fff; }
.market-logo.onec { color: #172236; background: #ffd528; }
.market-id div { display: grid; gap: 5px; }
.market-id strong { font-size: 14px; }
.market-id small { color: #8a95a0; font-size: 9px; }
.integration-table article > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.available { display: flex; align-items: center; gap: 8px; color: var(--signal-dark); font-size: 9px; font-weight: 800; white-space: nowrap; }
.custom { color: #7c8792; font-size: 9px; font-weight: 800; white-space: nowrap; }

.architecture { padding-top: 20px; background: #fff; }
.section-intro.compact { align-items: end; padding-top: 100px; border-top: 1px solid var(--line); }
.data-steps { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.data-steps li { position: relative; min-height: 230px; padding: 24px 24px 0 0; border-right: 1px solid var(--line); }
.data-steps li::before { content: ""; position: absolute; top: -6px; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--signal); }
.data-steps li + li { padding-left: 24px; }
.data-steps li + li::before { left: 24px; }
.data-steps span { color: #8b96a0; font-size: 9px; }
.data-steps strong { display: block; margin-top: 50px; font-size: 16px; }
.data-steps p { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }

.security { color: #fff; background: var(--ink); }
.security-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.security-title { position: relative; padding-left: 34px; }
.security-title::before { content: ""; position: absolute; top: 4px; bottom: 0; left: 0; width: 3px; background: var(--signal); }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.security-grid article { min-height: 230px; padding: 25px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.security-grid span { color: var(--signal); font-size: 9px; letter-spacing: .12em; }
.security-grid h3 { margin: 58px 0 12px; font-size: 17px; }
.security-grid p { margin: 0; color: #9eabb8; font-size: 12px; line-height: 1.7; }

.implementation { background: #fff; }
.implementation-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; }
.implementation-lead { max-width: 550px; margin: 30px 0 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.implementation-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.implementation-list li { display: grid; grid-template-columns: 45px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.implementation-list li > span { color: var(--signal-dark); font-size: 10px; font-weight: 800; }
.implementation-list strong { font-size: 15px; }
.implementation-list p { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.requirements { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 90px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.requirements > div { min-height: 220px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.requirements span { color: var(--signal-dark); font-size: 9px; font-weight: 800; letter-spacing: .13em; }
.requirements strong { display: block; margin-top: 62px; font-size: 16px; }
.requirements p { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }

.faq { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 30px; padding: 25px 0; cursor: pointer; font-size: 15px; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--signal-dark); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 740px; margin: -4px 0 26px; color: var(--muted); font-size: 13px; line-height: 1.75; }

.contact { padding: 110px 0; color: #fff; background: var(--signal-dark); }
.contact .overline { color: #07111b; }
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 100px; }
.contact h2 { font-size: clamp(42px, 5.5vw, 72px); }
.contact-copy > p { max-width: 590px; margin: 0; color: #e5f7ff; font-size: 15px; line-height: 1.75; }
.contact-email { display: flex; justify-content: space-between; margin-top: 38px; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.65); font-size: clamp(18px, 2vw, 28px); font-weight: 700; }
.contact-copy dl { margin: 48px 0 0; border-top: 1px solid rgba(255,255,255,.32); }
.contact-copy dl div { display: grid; grid-template-columns: 150px 1fr; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.32); font-size: 11px; }
.contact-copy dt { color: #b9e9fc; }
.contact-copy dd { margin: 0; }

.site-footer { padding: 70px 0 24px; color: #fff; background: var(--ink); }
.footer-top { display: grid; grid-template-columns: 1.8fr 1fr 1.25fr; gap: 90px; padding-bottom: 60px; }
.footer-brand img { width: 210px; height: 126px; object-fit: contain; object-position: left center; }
.footer-brand p { max-width: 340px; margin: 8px 0 0; color: #86929f; font-size: 12px; line-height: 1.7; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links strong { margin-bottom: 8px; color: #fff; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.footer-links a { color: #8e9aa7; font-size: 11px; line-height: 1.5; transition: color .2s ease; }
.footer-links a:hover { color: var(--signal); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 22px; color: #707c88; border-top: 1px solid var(--line-dark); font-size: 9px; }

a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }

@media (max-width: 1100px) {
  .header-inner { grid-template-columns: 190px 1fr auto; }
  .main-nav { gap: 18px; }
  .main-nav a:nth-last-child(-n+2) { display: none; }
  .hero-grid { grid-template-columns: 1fr 460px; gap: 45px; }
  .hero-facts { grid-template-columns: 1fr; }
  .hero-facts div { grid-template-columns: 30px 1fr; }
  .product-console { grid-template-columns: 180px 1fr; }
  .metric-row { grid-template-columns: repeat(2, 1fr); }
  .integration-layout, .implementation-layout { gap: 60px; }
  .integration-table article { grid-template-columns: 1fr 1.2fr; }
  .integration-table article > span { grid-column: 2; }
}

@media (max-width: 820px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .site-header { height: 68px; }
  .header-inner { grid-template-columns: 1fr auto; gap: 12px; }
  .header-actions { display: none; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 68px 0 auto; display: none; flex-direction: column; gap: 0; padding: 16px; background: var(--ink); border-bottom: 1px solid var(--line-dark); }
  .main-nav.open { display: flex; }
  .main-nav a, .main-nav a:nth-last-child(-n+2) { display: block; padding: 15px 8px; border-bottom: 1px solid var(--line-dark); font-size: 15px; }
  .hero { padding-top: 112px; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero h1 { font-size: clamp(48px, 14vw, 74px); }
  .hero-system { min-height: 520px; }
  .source-rail { grid-template-columns: 1fr 1fr; margin-top: 64px; }
  .source-rail span { grid-column: 1 / -1; }
  .source-rail b { padding-left: 0; }
  .section { padding: 82px 0; }
  .section-intro, .integration-layout, .security-panel, .implementation-layout, .faq-layout, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-note { grid-column: 1 / -1; min-height: 260px; }
  .product-console { grid-template-columns: 1fr; }
  .console-nav { display: none; }
  .console-main { padding: 20px; }
  .console-bottom { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-grid .capability-lead { grid-row: auto; grid-column: 1 / -1; min-height: 400px; }
  .sticky-copy { position: static; }
  .data-steps { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .requirements { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 50px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .shell { width: min(calc(100% - 24px), var(--shell)); }
  .brand-lockup { font-size: 14px; }
  .brand-lockup img { width: 31px; height: 31px; }
  .hero { padding-top: 106px; }
  .hero h1 { font-size: 46px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .hero-facts { margin-top: 36px; }
  .hero-system { min-height: auto; box-shadow: 10px 10px 0 rgba(0,174,239,.08); }
  .brand-panel { height: 150px; }
  .system-flow { grid-template-columns: 90px 1fr; }
  .core-stack { grid-column: 1 / -1; }
  .system-output { grid-template-columns: 1fr 1fr; }
  .source-rail b { font-size: 10px; }
  .section-intro { margin-bottom: 42px; }
  .section-intro h2, .capability-lead h2, .sticky-copy h2, .security-title h2, .implementation h2, .faq h2, .contact h2 { font-size: 38px; }
  .console-main { padding: 14px; }
  .console-top { align-items: flex-start; gap: 18px; }
  .periods span:last-child { display: none; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .metric-row article { padding: 14px; }
  .chart-block svg { height: 150px; }
  .capability-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-note { grid-column: auto; min-height: 300px; }
  .capability-grid .capability-lead { grid-column: auto; min-height: 370px; }
  .capability-grid article { min-height: 230px; }
  .integration-table article { grid-template-columns: 1fr; gap: 16px; }
  .integration-table article > span { grid-column: 1; }
  .data-steps { grid-template-columns: 1fr; }
  .data-steps li, .data-steps li + li { min-height: auto; padding: 22px 0 32px; border-right: 0; border-bottom: 1px solid var(--line); }
  .data-steps li + li::before { left: 0; }
  .data-steps strong { margin-top: 28px; }
  .security-title { padding-left: 20px; }
  .security-grid { grid-template-columns: 1fr; }
  .security-grid article { min-height: 210px; }
  .requirements { margin-top: 55px; }
  .contact { padding: 80px 0; }
  .contact-copy dl div { grid-template-columns: 1fr; gap: 5px; }
  .footer-top { grid-template-columns: 1fr; gap: 38px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}