:root {
    --bg: #07111f;
    --bg-2: #0b1828;
    --surface: #ffffff;
    --surface-soft: #f3f7fb;
    --text: #0e1b2b;
    --muted: #5f6f82;
    --line: #dce5ee;
    --accent: #13b8a6;
    --accent-2: #5ee2d3;
    --blue: #2f74ff;
    --radius: 22px;
    --shadow: 0 22px 60px rgba(12, 31, 54, .12);
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--surface); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { max-width: 820px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 20px; top: 20px; z-index: 100; background: #fff; padding: 10px 14px; border-radius: 8px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(7,17,31,.9); backdrop-filter: blur(16px); color: #fff; }
.nav-shell { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.brand-mark { width: 38px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg, var(--accent), var(--blue)); font-weight: 900; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 15px; letter-spacing: .02em; }
.brand-copy small { margin-top: 4px; color: #9fb1c5; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.top-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; }
.top-nav a { color: #c9d6e5; text-decoration: none; }
.top-nav a:hover { color: #fff; }

.hero { color: #fff; background: radial-gradient(circle at 70% 30%, rgba(47,116,255,.22), transparent 34%), radial-gradient(circle at 35% 20%, rgba(19,184,166,.14), transparent 28%), var(--bg); overflow: hidden; }
.hero-grid { min-height: 690px; display: grid; grid-template-columns: 1.04fr .96fr; gap: 64px; align-items: center; padding-block: 92px; }
.eyebrow { display: inline-block; margin-bottom: 15px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.hero h1, .catalog-hero h1, .product-hero h1, .not-found h1 { margin: 0; letter-spacing: -.048em; line-height: 1.03; }
.hero h1 { max-width: 760px; font-size: clamp(44px, 6vw, 76px); }
.hero-lead { max-width: 690px; margin: 24px 0 0; color: #bed0e2; font-size: clamp(18px, 2vw, 22px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 20px; border: 1px solid transparent; border-radius: 13px; font-size: 14px; font-weight: 800; text-decoration: none; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #20d0bb); color: #041411; box-shadow: 0 12px 30px rgba(19,184,166,.24); }
.btn-ghost { color: #eaf2fa; border-color: rgba(255,255,255,.16); background: rgba(255,255,255,.04); }
.btn-light { background: #fff; color: #0b1725; }
.trust-row { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #9fb1c5; font-size: 13px; }
.trust-row strong { color: #fff; }
.hero-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.visual-card { position: relative; z-index: 2; width: min(100%, 460px); padding: 34px; border: 1px solid rgba(255,255,255,.12); border-radius: 28px; background: linear-gradient(145deg, rgba(255,255,255,.10), rgba(255,255,255,.04)); box-shadow: 0 40px 100px rgba(0,0,0,.34); backdrop-filter: blur(10px); }
.visual-card h2 { margin: 28px 0 26px; font-size: 35px; line-height: 1.15; letter-spacing: -.035em; }
.visual-chip { display: inline-flex; padding: 7px 11px; border-radius: 999px; color: var(--accent-2); background: rgba(19,184,166,.13); border: 1px solid rgba(94,226,211,.25); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.visual-lines { display: grid; gap: 9px; }
.visual-lines i { height: 7px; border-radius: 999px; background: rgba(255,255,255,.10); }
.visual-lines i:nth-child(1) { width: 90%; } .visual-lines i:nth-child(2) { width: 72%; } .visual-lines i:nth-child(3) { width: 82%; }
.visual-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 30px; }
.visual-metrics div { padding: 16px; border-radius: 16px; background: rgba(4,14,26,.55); }
.visual-metrics strong, .visual-metrics span { display: block; }
.visual-metrics strong { font-size: 17px; } .visual-metrics span { margin-top: 3px; color: #8fa4b9; font-size: 11px; }
.orbit { position: absolute; z-index: 3; display: grid; place-items: center; padding: 10px 14px; border-radius: 999px; background: #fff; color: #102033; font-size: 11px; font-weight: 900; box-shadow: var(--shadow); }
.orbit-one { top: 13%; right: 3%; } .orbit-two { bottom: 15%; left: 2%; } .orbit-three { bottom: 5%; right: 10%; }

.section { padding: 92px 0; }
.section-soft { background: var(--surface-soft); }
.section-dark { color: #fff; background: var(--bg); }
.section-heading { max-width: 700px; margin-bottom: 38px; }
.section-heading h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.08; letter-spacing: -.04em; }
.section-heading p { margin: 16px 0 0; color: var(--muted); }
.section-dark .section-heading p { color: #a8bacd; }
.language-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.language-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; color: var(--text); text-decoration: none; background: #fff; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.language-card:hover { transform: translateY(-3px); border-color: #b9cbc8; box-shadow: var(--shadow); }
.language-code { display: grid; place-items: center; width: 54px; aspect-ratio: 1; border-radius: 15px; background: var(--surface-soft); color: var(--accent); font-size: 11px; font-weight: 900; }
.language-card strong, .language-card span { display: block; }
.language-card strong { font-size: 18px; } .language-card div span { margin-top: 2px; color: var(--muted); font-size: 13px; }
.card-arrow { font-size: 22px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.value-grid article { padding-top: 22px; border-top: 1px solid var(--line); }
.value-number { color: var(--accent); font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.value-grid h3 { margin: 14px 0 8px; font-size: 21px; }
.value-grid p { margin: 0; color: var(--muted); }

.catalog-hero, .product-hero { color: #fff; background: radial-gradient(circle at 78% 15%, rgba(47,116,255,.18), transparent 30%), var(--bg); }
.catalog-hero { padding: 92px 0 88px; }
.catalog-hero h1 { max-width: 760px; font-size: clamp(44px, 6vw, 70px); }
.catalog-hero p { max-width: 720px; margin: 22px 0 0; color: #b9cada; font-size: 19px; }
.back-link { display: block; margin-bottom: 30px; color: #9fb1c5; font-size: 13px; text-decoration: none; }
.catalog-toolbar { display: flex; align-items: end; justify-content: space-between; margin-bottom: 26px; }
.catalog-toolbar h2 { margin: 0; font-size: 30px; letter-spacing: -.03em; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .18s ease, box-shadow .18s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-media { display: block; overflow: hidden; background: #fff; }
.product-media img { display: block; width: 100%; height: auto; object-fit: contain; }
.product-card:hover .product-media img { transform: none; }
.product-card-body { padding: 24px; }
.product-eyebrow { color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.product-card h3 { margin: 10px 0; font-size: 22px; line-height: 1.25; letter-spacing: -.025em; }
.product-card h3 a { text-decoration: none; }
.product-card p { margin: 0; color: var(--muted); font-size: 14px; }
.product-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; }
.product-card-meta span { color: var(--muted); }
.product-card-meta a { color: var(--text); font-weight: 800; text-decoration: none; }
.media-placeholder { width: 100%; height: 100%; display: grid; place-items: center; background: linear-gradient(145deg, #101f31, #173e5d); color: #fff; }
.media-placeholder span { display: grid; place-items: center; width: 70px; aspect-ratio: 1; border-radius: 22px; background: linear-gradient(135deg, var(--accent), var(--blue)); font-weight: 900; font-size: 22px; }
.empty-state { padding: 46px; border: 1px dashed #bdc9d4; border-radius: var(--radius); text-align: center; background: #fbfdff; }

.product-hero { padding: 30px 0 86px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; padding: 18px 0 50px; color: #8298ae; font-size: 12px; }
.breadcrumbs a { color: #a9bbcc; text-decoration: none; }
.product-hero-grid { display: grid; grid-template-columns: 1fr .92fr; gap: 64px; align-items: center; }
.product-hero h1 { max-width: 720px; font-size: clamp(46px, 6vw, 72px); }
.product-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.product-badges span { padding: 7px 11px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: #bcd0e1; background: rgba(255,255,255,.04); font-size: 11px; font-weight: 800; }
.product-shot { overflow: hidden; border: 1px solid rgba(255,255,255,.1); border-radius: 26px; background: rgba(255,255,255,.05); box-shadow: 0 40px 90px rgba(0,0,0,.28); }
.product-shot img { display: block; width: 100%; height: auto; object-fit: contain; }
.media-placeholder-large { aspect-ratio: 1000/535; }
.content-grid { display: grid; grid-template-columns: minmax(220px, .68fr) minmax(0, 1.32fr); gap: 80px; align-items: start; }
.sticky-heading { position: sticky; top: 110px; }
.rich-copy { font-size: 18px; color: #35475b; }
.rich-copy > :first-child { margin-top: 0; }
.rich-copy h2, .rich-copy h3 { color: var(--text); line-height: 1.2; letter-spacing: -.03em; }
.rich-copy p { margin: 0 0 18px; }
.rich-copy ul { padding-left: 22px; }
.rich-copy-dark { color: #b6c7d8; }
.rich-copy-dark h2, .rich-copy-dark h3 { color: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 245px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.feature-index { color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.feature-card h3 { margin: 38px 0 10px; font-size: 20px; line-height: 1.25; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }
.check-list { display: grid; gap: 14px; }
.check-item { display: grid; grid-template-columns: auto 1fr; gap: 15px; padding: 20px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.check-item > span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: #e5fbf7; color: #08786c; font-weight: 900; }
.check-item strong { font-size: 16px; }
.check-item p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.split-panels { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.info-panel { padding: 36px; border-radius: 24px; border: 1px solid var(--line); background: #fff; }
.info-panel h2 { margin: 0 0 22px; font-size: 30px; line-height: 1.15; letter-spacing: -.035em; }
.info-panel .rich-copy { font-size: 16px; }
.usecase-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.usecase-grid article { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 20px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.04); }
.usecase-grid article span { color: var(--accent-2); font-weight: 900; }
.usecase-grid p { margin: 0; color: #c2d2e0; }
.requirement-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.requirement-list li { padding: 16px 18px; border-left: 3px solid var(--accent); background: var(--surface-soft); border-radius: 0 12px 12px 0; }
.faq-shell { max-width: 920px; }
.faq-list { display: grid; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 15px; background: #fff; }
summary { cursor: pointer; padding: 18px 20px; font-weight: 800; }
details div { padding: 0 20px 18px; color: var(--muted); }
details p { margin: 0; }
.final-cta-section { padding-top: 20px; }
.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 48px; border-radius: 28px; color: #fff; background: linear-gradient(125deg, #0a1a2b, #0d4f59); box-shadow: var(--shadow); }
.final-cta h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.04em; }
.final-cta p { max-width: 650px; margin: 12px 0 0; color: #bdd0dd; }
.not-found { min-height: 70vh; display: grid; align-items: center; background: var(--surface-soft); }
.not-found h1 { font-size: clamp(50px, 8vw, 90px); }
.not-found p { max-width: 620px; color: var(--muted); font-size: 19px; }

.site-footer { padding: 52px 0 28px; color: #a9bbcd; background: #050c15; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-grid strong { color: #fff; }
.footer-grid p { max-width: 520px; margin: 7px 0 0; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: #c6d4e2; text-decoration: none; }
.footer-note { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); color: #6f8296; font-size: 12px; }

@media (max-width: 960px) {
    .hero-grid, .product-hero-grid, .content-grid { grid-template-columns: 1fr; gap: 44px; }
    .hero-grid { min-height: auto; }
    .hero-visual { min-height: 420px; }
    .product-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .sticky-heading { position: static; }
}

@media (max-width: 700px) {
    .container { width: min(calc(100% - 28px), var(--container)); }
    .top-nav a:first-child { display: none; }
    .hero-grid { padding-block: 68px; }
    .hero h1 { font-size: 44px; }
    .hero-visual { min-height: 340px; }
    .visual-card { padding: 25px; }
    .visual-card h2 { font-size: 27px; }
    .orbit { display: none; }
    .section { padding: 68px 0; }
    .language-grid, .value-grid, .product-grid, .feature-grid, .split-panels, .usecase-grid { grid-template-columns: 1fr; }
    .catalog-hero { padding: 70px 0; }
    .catalog-hero h1, .product-hero h1 { font-size: 44px; }
    .breadcrumbs { padding-bottom: 35px; }
    .product-hero-grid { gap: 38px; }
    .final-cta { align-items: flex-start; flex-direction: column; padding: 32px; }
    .footer-grid { flex-direction: column; }
    .footer-links { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}