:root {
    --blue: #176ed1;
    --blue-bright: #2b94ee;
    --blue-soft: #eaf4fe;
    --ink: #101a25;
    --ink-2: #293746;
    --muted: #657383;
    --line: #dce4ec;
    --line-dark: #344558;
    --paper: #ffffff;
    --paper-2: #f5f8fb;
    --dark: #0a121c;
    --dark-2: #101d2b;
    --success: #167a56;
    --radius: 18px;
    --shadow: 0 22px 70px rgba(21, 44, 68, .11);
    --shell: min(1240px, calc(100vw - 48px));
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    background: var(--paper);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { max-width: 100%; }

.shell { width: var(--shell); margin-inline: auto; }
.narrow { max-width: 820px; }

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 200;
    background: var(--ink);
    color: white;
    padding: 12px 18px;
    border-radius: 8px;
}
.skip-link:focus { top: 12px; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--blue);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.eyebrow-light { color: #78bfff; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.035em; }
h1 { font-size: clamp(3rem, 6.3vw, 6.6rem); line-height: .94; margin-bottom: 30px; }
h2 { font-size: clamp(2.25rem, 4vw, 4.2rem); line-height: 1.02; margin-bottom: 24px; }
h3 { font-size: 1.4rem; line-height: 1.18; }

.button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 26px;
    border: 1px solid var(--blue);
    border-radius: 4px;
    background: var(--blue);
    color: white;
    font-weight: 750;
    letter-spacing: -.01em;
    cursor: pointer;
    transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.button:hover { background: #0d5ebd; transform: translateY(-1px); box-shadow: 0 10px 28px rgba(23, 110, 209, .24); }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(43, 148, 238, .4); outline-offset: 3px; }
.button-secondary { color: var(--ink); background: white; border-color: var(--line); }
.button-secondary:hover { color: var(--blue); background: var(--paper-2); box-shadow: none; }
.button-small { min-height: 40px; padding-inline: 18px; font-size: .88rem; }

.text-link { display: inline-flex; align-items: center; gap: 14px; color: var(--blue); font-weight: 750; }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translateX(4px); }
.text-link-light { color: #9bd1ff; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 76px;
    border-bottom: 1px solid rgba(220, 228, 236, .88);
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(16px);
}

.header-inner { height: 100%; display: grid; grid-template-columns: 210px 1fr auto; align-items: center; gap: 32px; }
.header-brand { width: 186px; display: block; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: clamp(20px, 2.5vw, 38px); }
.desktop-nav a { position: relative; color: var(--ink-2); font-size: .91rem; font-weight: 650; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 2px; background: var(--blue); transition: right .18s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--blue); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { right: 0; }
.mobile-nav { display: none; }

.brand-logo { position: relative; display: block; overflow: hidden; }
.brand-logo img { position: static; display: block; width: 100%; height: auto; max-width: 100%; }
.brand-logo--light { aspect-ratio: 1799 / 288; }
.brand-logo--dark { aspect-ratio: 1499 / 241; background: #000; }

.section-grid-bg {
    background-image:
        linear-gradient(rgba(19, 67, 110, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(19, 67, 110, .045) 1px, transparent 1px);
    background-size: 34px 34px;
}

.hero { min-height: 730px; display: flex; align-items: center; overflow: hidden; background-color: #f8fbfe; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 44px; padding-block: 80px 92px; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 780px; margin-top: 22px; }
.hero h1 span { color: var(--blue); }
.hero-lead { max-width: 650px; color: var(--muted); font-size: clamp(1.1rem, 1.7vw, 1.35rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 36px 0 44px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 660px; margin: 0; border-top: 1px solid var(--line); }
.hero-facts div { padding: 20px 18px 0 0; }
.hero-facts dt { color: var(--ink); font-size: 1.18rem; font-weight: 800; }
.hero-facts dd { margin: 4px 0 0; color: var(--muted); font-size: .78rem; }

.sg6-render { position: relative; min-width: 0; min-height: 510px; display: grid; place-items: center; margin: 0; isolation: isolate; }
.sg6-render::before { content: ""; position: absolute; z-index: -1; width: 76%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(31, 132, 220, .14), rgba(31, 132, 220, 0) 68%); filter: blur(14px); }
.sg6-render picture { display: block; width: min(124%, 850px); margin-inline: -12%; }
.sg6-render img { display: block; width: 100%; height: auto; mix-blend-mode: multiply; filter: drop-shadow(0 28px 22px rgba(12, 35, 55, .17)); }
.sg6-render figcaption { position: absolute; right: 0; bottom: 28px; color: #7b8997; font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
@keyframes orbit { to { transform: rotate(360deg); } }

.trust-strip { border-block: 1px solid var(--line); background: white; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { min-height: 172px; padding: 32px 28px; border-right: 1px solid var(--line); }
.trust-grid > div:first-child { border-left: 1px solid var(--line); }
.trust-grid span { color: var(--blue); font-size: .68rem; font-weight: 800; }
.trust-grid strong { display: block; margin: 18px 0 8px; font-size: 1rem; }
.trust-grid p { margin: 0; color: var(--muted); font-size: .82rem; }

.section { padding-block: 112px; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; margin-bottom: 56px; }
.section-heading h2 { margin-top: 16px; margin-bottom: 0; }
.section-heading > p { max-width: 480px; margin-bottom: 6px; color: var(--muted); font-size: 1.05rem; }

.products-section { background: var(--paper-2); }
.product-grid { display: grid; grid-template-columns: 1.18fr 1fr 1fr; gap: 18px; }
.product-card { min-height: 500px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); background: white; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.product-card:hover { transform: translateY(-5px); border-color: #b9d1e9; box-shadow: var(--shadow); }
.product-card-primary { background: linear-gradient(145deg, #ffffff, #f0f7fd); border-top: 4px solid var(--blue); }
.product-card-head { display: flex; justify-content: space-between; align-items: flex-start; }
.status-badge { display: inline-flex; min-height: 28px; align-items: center; padding: 0 10px; border-radius: 999px; font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.status-available { color: #0e6343; background: #dff5eb; }
.status-development { color: #7a5811; background: #fff1ca; }
.product-index { color: #9ba8b4; font: 700 .65rem Consolas, monospace; }
.product-type { margin: 70px 0 12px; color: var(--muted); font-size: .8rem; }
.product-card h3 { margin-bottom: 20px; font-size: 2.25rem; }
.product-summary { color: var(--muted); }
.product-metrics { display: grid; grid-template-columns: 1fr; gap: 12px; margin: auto 0 28px; padding-top: 28px; border-top: 1px solid var(--line); }
.product-metrics div { display: flex; justify-content: space-between; gap: 20px; }
.product-metrics span { color: var(--muted); font-size: .73rem; }
.product-metrics strong { text-align: right; font-size: .83rem; }

.applications-section { color: white; background: var(--dark); }
.applications-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.application-copy { position: sticky; top: 120px; align-self: start; }
.application-copy h2 { margin-top: 20px; }
.application-copy p { max-width: 490px; color: #9caabd; }
.application-list article { display: grid; grid-template-columns: 48px 1fr; column-gap: 22px; padding: 30px 0; border-top: 1px solid var(--line-dark); }
.application-list article:last-child { border-bottom: 1px solid var(--line-dark); }
.application-list span { grid-row: span 2; color: #68b5fa; font: 700 .72rem Consolas, monospace; }
.application-list h3 { margin-bottom: 8px; color: white; }
.application-list p { margin: 0; color: #8fa0b2; }

.options-teaser { overflow: hidden; background: #eef5fa; }
.options-teaser-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.options-teaser h2 { margin-top: 18px; }
.options-teaser p { max-width: 510px; color: var(--muted); font-size: 1.06rem; }
.option-stack { display: grid; gap: 8px; transform: rotate(-2deg); }
.option-stack > div { position: relative; display: grid; grid-template-columns: 110px 1fr 70px; align-items: center; min-height: 86px; padding: 0 24px; overflow: hidden; border: 1px solid #cbd8e2; background: white; box-shadow: 0 12px 35px rgba(45,75,102,.06); }
.option-stack span { color: var(--blue); font: 800 .65rem Consolas, monospace; letter-spacing: .12em; }
.option-stack strong { font-size: 1.15rem; }
.option-stack i { justify-self: end; width: 44px; height: 2px; background: var(--blue); box-shadow: 12px -9px 0 -0.5px #78b8eb, 12px 9px 0 -0.5px #78b8eb; }

.home-contact { background: white; }
.contact-callout { display: flex; justify-content: space-between; align-items: center; gap: 50px; padding: 58px 64px; color: white; background: linear-gradient(120deg, #11283e, #0d1b29); box-shadow: var(--shadow); }
.contact-callout h2 { max-width: 760px; margin: 14px 0; font-size: clamp(2rem, 3.6vw, 3.6rem); }
.contact-callout p { max-width: 700px; margin-bottom: 0; color: #a8b9c9; }
.contact-callout .button { flex: 0 0 auto; }

.page-hero { padding-block: 120px 90px; background-color: #f7fafc; }
.compact-hero h1 { max-width: 1000px; margin: 18px 0 24px; font-size: clamp(3.5rem, 7vw, 6.8rem); }
.compact-hero p { max-width: 760px; color: var(--muted); font-size: 1.2rem; }

.product-list-large { border-top: 1px solid var(--line); }
.product-row { display: grid; grid-template-columns: 64px 1fr 1.2fr 56px; gap: 34px; align-items: center; min-height: 285px; border-bottom: 1px solid var(--line); }
.product-row-index { color: var(--blue); font: 700 .75rem Consolas, monospace; }
.product-row-title p { margin: 22px 0 6px; color: var(--muted); font-size: .75rem; }
.product-row-title h2 { margin: 0; font-size: 2.7rem; }
.product-row-data > div { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-bottom: 1px solid #edf1f4; }
.product-row-data span { color: var(--muted); font-size: .75rem; }
.product-row-data strong { font-size: .85rem; }
.product-row-data p { margin: 24px 0 0; color: var(--muted); font-size: .9rem; }
.circle-link { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--blue); font-size: 1.3rem; transition: .18s ease; }
.circle-link:hover { color: white; border-color: var(--blue); background: var(--blue); transform: translateX(3px); }

.compare-band { background: var(--paper-2); }
.table-scroll { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; background: white; }
.comparison-table th, .comparison-table td { min-width: 190px; padding: 22px 24px; border: 1px solid var(--line); text-align: left; }
.comparison-table thead th { color: white; background: var(--ink); }
.comparison-table thead th:first-child { background: var(--blue); }
.comparison-table tbody th { color: var(--muted); font-size: .78rem; }

.product-hero { padding-block: 96px; overflow: hidden; background-color: #f7fafc; }
.product-hero-grid { min-height: 560px; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 70px; }
.product-kicker { margin: 26px 0 10px; color: var(--muted); }
.product-hero h1 { margin-bottom: 26px; }
.preliminary-note { display: inline-block; margin: 8px 0 0; padding: 10px 14px; border-left: 3px solid #d39a1c; color: #6c551c; background: #fff7df; font-size: .8rem; }
.metric-band { color: white; background: var(--dark); }
.metric-band-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.metric-band-grid > div { min-height: 132px; display: flex; flex-direction: column; justify-content: center; padding: 24px 36px; border-left: 1px solid var(--line-dark); }
.metric-band-grid > div:last-child { border-right: 1px solid var(--line-dark); }
.metric-band span { color: #7f91a4; font-size: .72rem; }
.metric-band strong { margin-top: 8px; font-size: 1.15rem; }
.development-visual { position: relative; min-height: 480px; display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; border: 1px solid #cddae5; background: radial-gradient(circle, white, #e7f0f7 65%, #d8e5ee); }
.development-visual::before, .development-visual::after { content: ""; position: absolute; width: 72%; height: 36%; border: 1px solid rgba(23,110,209,.2); transform: skewY(-14deg); }
.development-visual::after { transform: skewY(14deg); }
.development-visual > span { color: var(--blue); font: 800 .65rem Consolas, monospace; letter-spacing: .2em; }
.development-visual strong { position: relative; z-index: 2; margin: 12px 0; font-size: clamp(2.6rem, 5vw, 5.2rem); letter-spacing: -.06em; }
.development-visual small { color: #8a98a7; letter-spacing: .18em; }
.dev-rings { position: absolute; width: 380px; height: 380px; border: 1px dashed rgba(23,110,209,.22); border-radius: 50%; animation: orbit 26s linear infinite; }
.dev-rings::before, .dev-rings::after { content: ""; position: absolute; inset: 50px; border: 1px solid rgba(23,110,209,.18); border-radius: 50%; }
.dev-rings::after { inset: 105px; }
.product-content-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.feature-list { border-top: 1px solid var(--line); }
.feature-list > div { display: grid; grid-template-columns: 32px 1fr; padding: 25px 0; border-bottom: 1px solid var(--line); }
.feature-list span { color: var(--blue); font-size: 1.3rem; }
.feature-list p { margin: 0; font-size: 1.08rem; }
.specs-section { background: var(--paper-2); }
.specs-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.specs-title p { max-width: 400px; color: var(--muted); }
.spec-list { margin: 0; border-top: 1px solid #bfcbd5; }
.spec-list > div { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; padding: 20px 0; border-bottom: 1px solid #cdd7df; }
.spec-list dt { color: var(--muted); font-size: .85rem; }
.spec-list dd { margin: 0; font-weight: 750; }

.option-catalog { border-top: 1px solid var(--line); }
.option-catalog article { display: grid; grid-template-columns: 90px 1fr 190px; gap: 36px; padding: 54px 0; border-bottom: 1px solid var(--line); }
.option-code { width: 58px; height: 34px; display: grid; place-items: center; color: var(--blue); border: 1px solid #a8c8e6; font: 800 .68rem Consolas, monospace; }
.option-catalog h2 { margin: 0 0 12px; font-size: 2.1rem; }
.option-catalog p { max-width: 680px; color: var(--muted); }
.option-catalog ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 22px 0 0; list-style: none; }
.option-catalog li { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2); font-size: .74rem; }
.option-catalog small { justify-self: end; color: var(--muted); }

.download-categories { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 42px; }
.download-categories a { padding: 10px 16px; border: 1px solid var(--line); background: white; }
.download-categories a:hover { color: var(--blue); border-color: #a9c7e3; }
.download-categories a.active { color: white; border-color: var(--ink); background: var(--ink); }
.downloads-empty { display: grid; grid-template-columns: 230px 1fr; gap: 70px; align-items: center; min-height: 340px; padding: 64px; border: 1px solid var(--line); background: var(--paper-2); }
.downloads-empty h2 { margin-bottom: 16px; font-size: 2.7rem; }
.downloads-empty p { max-width: 650px; color: var(--muted); }
.document-stack { position: relative; width: 150px; height: 190px; }
.document-stack span { position: absolute; inset: 0; display: grid; place-items: center; border: 1px solid #a9bac9; background: white; color: var(--blue); font-weight: 850; box-shadow: 0 12px 30px rgba(20,47,72,.08); }
.document-stack span:nth-child(1) { transform: translate(-24px, 18px) rotate(-8deg); }
.document-stack span:nth-child(2) { transform: translate(22px, 12px) rotate(7deg); }
.document-stack span:nth-child(3)::before { content: ""; position: absolute; top: 28px; width: 45px; height: 2px; background: var(--blue); box-shadow: 0 10px 0 #b6c5d1, 0 20px 0 #b6c5d1; }
.download-list { border-top: 1px solid var(--line); }
.download-list article { display: grid; grid-template-columns: 70px 1fr auto; gap: 26px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); }
.file-type { width: 54px; height: 66px; display: grid; place-items: center; color: var(--blue); border: 1px solid #a9c6df; font: 800 .68rem Consolas, monospace; }
.download-list h2 { margin: 4px 0; font-size: 1.35rem; }
.download-list small, .download-list p { color: var(--muted); font-size: .76rem; }
.download-button { padding: 10px 16px; color: var(--blue); border: 1px solid #aac7e2; font-weight: 750; }

.company-hero { padding-block: 120px; background-color: #f7fafc; }
.company-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.company-hero h1 { max-width: 900px; margin: 20px 0 0; }
.company-hero p { color: var(--muted); font-size: 1.25rem; }
.company-story { padding-bottom: 0; }
.story-grid { display: grid; grid-template-columns: 120px 1fr; gap: 30px; padding: 70px 0; border-top: 1px solid var(--line); }
.story-grid:last-child { border-bottom: 1px solid var(--line); }
.story-number { color: var(--blue); font: 700 .8rem Consolas, monospace; }
.story-grid h2 { max-width: 940px; margin-top: 15px; font-size: clamp(2.2rem, 4vw, 4rem); }
.story-grid p { max-width: 760px; color: var(--muted); font-size: 1.08rem; }
.principles-section { color: white; background: var(--dark); }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.principles-grid article { min-height: 310px; padding: 30px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.principles-grid strong { color: #63b5fa; font: 700 .7rem Consolas, monospace; }
.principles-grid h3 { margin-top: 80px; color: white; }
.principles-grid p { color: #91a0b0; font-size: .88rem; }

.contact-hero { padding-block: 110px; }
.contact-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 90px; align-items: end; }
.contact-hero h1 { margin: 20px 0; }
.contact-hero p { max-width: 700px; color: var(--muted); font-size: 1.15rem; }
.direct-contacts { border-top: 1px solid var(--line); }
.direct-contacts > a, .direct-contacts > div { display: flex; flex-direction: column; padding: 22px 0; border-bottom: 1px solid var(--line); }
.direct-contacts span { color: var(--muted); font-size: .72rem; }
.direct-contacts strong { margin-top: 6px; font-size: 1.15rem; }
.direct-contacts a:hover strong { color: var(--blue); }
.contact-page-section { background: var(--paper-2); }
.form-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: start; }
.form-intro { position: sticky; top: 120px; }
.form-intro h2 { margin-top: 16px; font-size: 2.8rem; }
.form-intro > p { color: var(--muted); }
.response-note { margin-top: 34px; padding: 24px; border-left: 3px solid var(--blue); background: white; }
.response-note ul { margin-bottom: 0; padding-left: 18px; color: var(--muted); }
.contact-form-wrap { padding: 42px; border: 1px solid var(--line); background: white; box-shadow: 0 20px 50px rgba(32,64,92,.06); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-grid label:not(.consent) { display: flex; flex-direction: column; gap: 7px; }
.form-grid label > span { color: var(--ink-2); font-size: .78rem; font-weight: 700; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid #c7d2dc; border-radius: 2px; color: var(--ink); background: #fbfdff; outline: none; transition: border .15s, box-shadow .15s; }
.form-grid textarea { resize: vertical; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23,110,209,.1); }
.form-full { grid-column: 1 / -1; }
.consent { display: flex; align-items: flex-start; gap: 10px; }
.consent input { width: 18px; min-height: 18px; margin-top: 2px; accent-color: var(--blue); }
.consent a { color: var(--blue); text-decoration: underline; }
.validation-message { color: #b3261e; font-size: .74rem; }
.honeypot { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-submit { margin-top: 28px; }
.form-submit:disabled { opacity: .65; cursor: wait; }
.form-error { margin: 20px 0 0; padding: 12px 14px; color: #8a2420; background: #ffefee; }
.form-success { display: flex; align-items: flex-start; gap: 20px; padding: 20px; color: #0c5d3e; border: 1px solid #a7dbc5; background: #edf9f4; }
.form-success > span { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: white; background: var(--success); }
.form-success h3 { margin-bottom: 8px; }
.form-success p { margin-bottom: 0; }

.legal-content h2 { margin-top: 52px; font-size: 2rem; }
.legal-content p { color: var(--muted); font-size: 1.02rem; }

.site-footer { padding-top: 72px; color: white; background: #000; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .7fr .7fr 1fr; gap: 64px; padding-bottom: 64px; }
.footer-brand .brand-logo { width: 230px; }
.footer-brand p { margin-top: 24px; color: #8494a3; }
.site-footer h2 { margin-bottom: 20px; color: #7f91a2; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.site-footer a { display: block; margin: 10px 0; color: #d3dae1; font-size: .86rem; }
.site-footer a:hover { color: #5cb2fb; }
.footer-note strong { display: block; margin: 12px 0; font-size: 1.45rem; }
.footer-note p { color: #7f91a2; font-size: .84rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding: 24px 0 30px; border-top: 1px solid #263341; color: #758493; font-size: .73rem; }

@media (max-width: 1080px) {
    :root { --shell: min(100% - 36px, 960px); }
    .header-inner { grid-template-columns: 180px 1fr auto; gap: 20px; }
    .header-brand { width: 165px; }
    .desktop-nav { gap: 18px; }
    .desktop-nav a { font-size: .82rem; }
    .hero-grid { grid-template-columns: 1fr; padding-top: 70px; }
    .hero-copy { max-width: 820px; }
    .sg6-render { min-height: 450px; }
    .sg6-render picture { width: min(100%, 920px); margin-inline: 0; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid > div:nth-child(3) { border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
    .trust-grid > div:nth-child(4) { border-top: 1px solid var(--line); }
    .product-grid { grid-template-columns: 1fr 1fr; }
    .product-card-primary { grid-column: 1 / -1; }
    .applications-grid, .options-teaser-grid, .product-hero-grid { grid-template-columns: 1fr; }
    .application-copy { position: static; }
    .option-stack { max-width: 760px; }
    .product-hero-grid > div:first-child { max-width: 800px; }
    .product-row { grid-template-columns: 48px 1fr 1.2fr 50px; gap: 20px; }
    .principles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.3fr .7fr .7fr; }
    .footer-note { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    :root { --shell: calc(100% - 30px); }
    .site-header { height: 68px; }
    .header-inner { display: flex; justify-content: space-between; }
    .desktop-nav, .header-cta { display: none; }
    .mobile-nav { position: relative; display: block; }
    .mobile-nav summary { width: 44px; height: 44px; display: grid; align-content: center; gap: 5px; padding: 10px; border: 1px solid var(--line); cursor: pointer; list-style: none; }
    .mobile-nav summary::-webkit-details-marker { display: none; }
    .mobile-nav summary span { display: block; height: 2px; background: var(--ink); }
    .mobile-nav nav { position: absolute; top: 52px; right: 0; width: min(320px, calc(100vw - 30px)); display: grid; padding: 18px; border: 1px solid var(--line); background: white; box-shadow: var(--shadow); }
    .mobile-nav nav > a:not(.button) { padding: 12px 4px; border-bottom: 1px solid var(--line); }
    .mobile-nav .button { margin-top: 14px; }
    h1 { font-size: clamp(3rem, 13vw, 5.4rem); }
    .hero { min-height: auto; }
    .hero-grid { padding-block: 68px; }
    .hero-facts { grid-template-columns: 1fr; }
    .hero-facts div { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .sg6-render { min-height: 350px; }
    .sg6-render figcaption { bottom: 8px; }
    .trust-grid { grid-template-columns: 1fr; }
    .trust-grid > div { min-height: auto; border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
    .trust-grid > div:first-child { border-top: 0; }
    .section { padding-block: 76px; }
    .section-heading, .company-hero-grid, .contact-hero-grid, .form-layout, .product-content-grid, .specs-grid { grid-template-columns: 1fr; gap: 34px; }
    .product-grid { grid-template-columns: 1fr; }
    .product-card-primary { grid-column: auto; }
    .product-card { min-height: 430px; }
    .application-list article { grid-template-columns: 38px 1fr; }
    .option-stack { transform: none; }
    .option-stack > div { grid-template-columns: 90px 1fr; }
    .option-stack i { display: none; }
    .contact-callout { align-items: flex-start; flex-direction: column; padding: 40px 28px; }
    .page-hero, .company-hero { padding-block: 80px 60px; }
    .product-row { grid-template-columns: 36px 1fr 48px; padding-block: 42px; }
    .product-row-data { grid-column: 2 / -1; }
    .product-row .circle-link { grid-column: 3; grid-row: 1; }
    .product-hero { padding-block: 68px; }
    .product-hero-grid { min-height: auto; }
    .metric-band-grid { grid-template-columns: 1fr; }
    .metric-band-grid > div { min-height: 100px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
    .option-catalog article { grid-template-columns: 70px 1fr; }
    .option-catalog small { grid-column: 2; justify-self: start; }
    .downloads-empty { grid-template-columns: 1fr; padding: 40px 26px; }
    .story-grid { grid-template-columns: 48px 1fr; }
    .form-intro { position: static; }
    .principles-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 42px; }
    .footer-brand, .footer-note { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 540px) {
    :root { --shell: calc(100% - 24px); }
    .header-brand { width: 155px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .sg6-render { min-height: 250px; }
    .sg6-render figcaption { bottom: 0; font-size: .55rem; }
    .product-card { padding: 24px; }
    .product-type { margin-top: 52px; }
    .section-heading { margin-bottom: 36px; }
    .option-stack > div { grid-template-columns: 1fr; gap: 5px; padding-block: 16px; }
    .product-row { grid-template-columns: 28px 1fr; }
    .product-row .circle-link { display: none; }
    .product-row-data { grid-column: 2; }
    .development-visual { min-height: 340px; }
    .spec-list > div { grid-template-columns: 1fr; gap: 8px; }
    .option-catalog article { grid-template-columns: 1fr; gap: 20px; }
    .option-catalog small { grid-column: auto; }
    .download-list article { grid-template-columns: 56px 1fr; }
    .download-button { grid-column: 2; justify-self: start; }
    .story-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-full { grid-column: auto; }
    .contact-form-wrap { padding: 26px 20px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand, .footer-note { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}