:root {
  --navy: #073b66;
  --blue: #075fa7;
  --cyan: #0d9bb1;
  --ink: #182b3a;
  --muted: #5c6d79;
  --line: #d9e5ec;
  --soft: #f3f7fa;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(7, 59, 102, .09);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 0; background: var(--white); color: var(--ink); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.65; }
body, button, input, textarea { font-family: Inter, "Segoe UI", Arial, sans-serif; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid rgba(13, 155, 177, .38); outline-offset: 3px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; padding: 10px 14px; background: var(--navy); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(217,229,236,.9); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 82px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; width: 175px; height: 48px; overflow: hidden; background: #075fa7; flex: 0 0 auto; text-decoration: none; }
.brand img { width: auto; max-width: none; height: 48px; transform: translateX(-175px); }
.site-nav { margin-left: auto; }
.site-nav > ul { display: flex; align-items: center; gap: 5px; margin: 0; padding: 0; list-style: none; }
.site-nav a, .nav-summary { display: block; padding: 11px 12px; border-radius: 9px; color: var(--ink); font-size: .91rem; font-weight: 650; text-decoration: none; white-space: nowrap; cursor: pointer; }
.site-nav a:hover, .site-nav a[aria-current="page"], .nav-summary:hover { background: var(--soft); color: var(--blue); }
.nav-group { position: relative; }
.nav-summary { list-style: none; }
.nav-summary::-webkit-details-marker { display: none; }
.nav-summary::after { content: "⌄"; margin-left: 6px; color: var(--cyan); }
.nav-dropdown { position: absolute; top: calc(100% + 9px); left: 0; min-width: 230px; margin: 0; padding: 8px; border: 1px solid var(--line); border-radius: 13px; background: #fff; box-shadow: var(--shadow); list-style: none; }
.nav-dropdown a { padding: 10px 12px; }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--navy); font-size: 1.35rem; cursor: pointer; }

.hero { position: relative; overflow: hidden; background: linear-gradient(110deg, #eef7fb 0%, #fff 62%); }
.hero::after { content: ""; position: absolute; right: -180px; bottom: -260px; width: 620px; height: 620px; border: 80px solid rgba(13,155,177,.07); border-radius: 50%; pointer-events: none; }
.hero-grid { min-height: 620px; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 56px; padding-block: 76px; }
.eyebrow { margin: 0 0 15px; color: var(--cyan); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; color: var(--navy); line-height: 1.15; }
h1 { max-width: 720px; margin-bottom: 22px; font-size: clamp(2.45rem, 5vw, 4.65rem); letter-spacing: -.045em; }
h2 { margin-bottom: 16px; font-size: clamp(1.9rem, 3.2vw, 3rem); letter-spacing: -.03em; }
h3 { margin-bottom: 10px; font-size: 1.22rem; }
.lead { max-width: 690px; margin: 0 0 30px; color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.22rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 20px; border: 1px solid var(--blue); border-radius: 10px; background: var(--blue); color: #fff; font-weight: 750; text-decoration: none; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-1px); background: var(--navy); color: #fff; }
.button.secondary { background: transparent; color: var(--blue); }
.button.secondary:hover { background: #eef6fb; color: var(--navy); }
.hero-visual { position: relative; z-index: 1; padding: 18px; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: var(--shadow); }
.hero-visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; border-radius: 16px; }
.hero-note { position: absolute; left: -30px; bottom: 40px; padding: 15px 18px; border-left: 4px solid var(--cyan); border-radius: 8px; background: var(--navy); color: #fff; box-shadow: var(--shadow); }
.hero-note strong { display: block; font-size: 1.28rem; }

.section { padding-block: 92px; }
.section.soft { background: var(--soft); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.section-heading p { max-width: 600px; margin: 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.cards.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 24px rgba(7,59,102,.045); }
.card-media { display: grid; min-height: 245px; place-items: center; padding: 22px; background: linear-gradient(145deg, #f8fbfd, #eef5f8); }
.card-media img { width: 100%; height: 220px; object-fit: contain; mix-blend-mode: multiply; }
.card-body { padding: 24px; }
.card-body p { margin: 0 0 20px; color: var(--muted); }
.home-product-description { font-weight: 700; }
.tag { display: inline-block; margin-bottom: 11px; color: var(--cyan); font-size: .75rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.text-link { font-weight: 750; }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.stat { padding: 32px; border-radius: var(--radius); background: var(--navy); color: #fff; }
.stat strong { display: block; font-size: clamp(2.5rem, 6vw, 5rem); line-height: 1; }
.stat span { display: block; margin-top: 10px; color: #b9d9ed; font-size: 1.08rem; }
.check-list, .spec-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li, .spec-list li { position: relative; padding-left: 28px; }
.check-list li::before, .spec-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(13,155,177,.12); }
.service-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 46px; border-radius: 24px; background: var(--navy); color: #e8f4fa; }
.service-panel h2 { color: #fff; }
.service-panel p { max-width: 760px; margin: 0; }
.service-panel .button { border-color: #fff; background: #fff; color: var(--navy); }

.page-hero { padding-block: 68px 52px; background: linear-gradient(105deg, #edf7fb, #fff); }
.breadcrumbs { margin-bottom: 18px; color: var(--muted); font-size: .9rem; }
.breadcrumbs a { color: var(--muted); }
.page-hero h1 { margin-bottom: 14px; font-size: clamp(2.25rem, 5vw, 4rem); }
.product-layout { display: grid; grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr); gap: 62px; align-items: start; }
.product-image { position: sticky; top: 112px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.product-image img { width: 100%; min-height: 300px; object-fit: contain; }
.product-content .spec-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.spec-detail { display: block; margin-top: 6px; color: var(--muted); }
.product-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.family-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 26px; }
.feature-product { display: grid; grid-template-columns: 210px 1fr; gap: 28px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.feature-product img { width: 100%; height: 210px; object-fit: contain; }
.feature-product.wide { grid-column: 1 / -1; }
.feature-product .spec-list { font-size: .94rem; }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; }
.contact-card, .form-card, .download-card { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.contact-list { display: grid; gap: 18px; margin: 26px 0 0; padding: 0; list-style: none; }
.contact-list strong { display: block; color: var(--navy); }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--navy); font-size: .9rem; font-weight: 750; }
input, textarea { width: 100%; min-height: 46px; padding: 11px 13px; border: 1px solid #b9ccd8; border-radius: 9px; background: #fff; color: var(--ink); font-size: 1rem; }
textarea { min-height: 150px; resize: vertical; }
.captcha-row { display: flex; align-items: end; gap: 12px; }
.captcha-row img { width: 70px; height: 34px; object-fit: cover; border: 1px solid var(--line); }
.map-frame { width: 100%; min-height: 430px; border: 0; border-radius: var(--radius); }
.faq-list { display: grid; gap: 12px; max-width: 920px; }
.faq-list details { padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.faq-list summary { color: var(--navy); font-weight: 750; cursor: pointer; }
.faq-list p { margin: 12px 0 0; color: var(--muted); }
.download-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
.download-card p { margin-bottom: 0; color: var(--muted); }
.download-stack { display: grid; gap: 22px; }
.demo-request { max-width: 760px; padding: 26px 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); }
.demo-request h2 { margin-bottom: 6px; font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
.demo-request > p { margin: 0 0 18px; color: var(--muted); }
.demo-form-row { display: grid; grid-template-columns: minmax(220px, 1fr) auto; gap: 12px; align-items: center; }
.demo-form-row .button { white-space: nowrap; }
.file-note { display: block; margin-top: 5px; color: var(--muted); font-size: .85rem; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.5em; margin: 10px 0 0; font-size: .95rem; font-weight: 700; }
.form-status:empty { display: none; }
.form-status.is-sending { color: var(--muted); }
.form-status.is-success { color: #167044; }
.form-status.is-error { color: #a12622; }
.button:disabled { cursor: wait; opacity: .68; transform: none; }

.site-footer { padding-block: 56px 28px; background: #082f50; color: #d4e4ee; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.15fr; gap: 38px; }
.footer-brand { font-size: 1.35rem; font-weight: 850; color: #fff; }
.site-footer h2 { margin-bottom: 14px; color: #fff; font-size: .92rem; letter-spacing: .08em; text-transform: uppercase; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li + li { margin-top: 8px; }
.site-footer a { color: #d4e4ee; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.copyright { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.13); color: #9db9ca; font-size: .86rem; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .site-nav { display: none; position: absolute; top: 82px; left: 0; right: 0; padding: 14px 20px 24px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
  .site-nav.is-open { display: block; }
  .site-nav > ul { display: grid; align-items: stretch; }
  .site-nav a, .nav-summary { padding: 12px 14px; }
  .nav-dropdown { position: static; box-shadow: none; margin: 4px 0 8px 12px; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 62px; }
  .hero-visual { max-width: 650px; }
  .cards.four { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split, .contact-grid, .product-layout { grid-template-columns: 1fr; gap: 36px; }
  .product-image { position: static; max-width: 620px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav-wrap { min-height: 72px; }
  .site-nav { top: 72px; }
  .brand { width: 150px; height: 42px; }
  .brand img { height: 42px; transform: translateX(-155px); }
  .section { padding-block: 66px; }
  .section-heading { display: block; }
  .cards, .cards.four, .family-grid { grid-template-columns: 1fr; }
  .feature-product, .download-card, .service-panel { grid-template-columns: 1fr; }
  .feature-product.wide { grid-column: auto; }
  .feature-product img { height: 190px; }
  .hero-note { position: static; margin-top: 16px; }
  .product-content .spec-list, .form-grid { grid-template-columns: 1fr; }
  .demo-form-row { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .map-frame { min-height: 340px; }
}

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