:root {
    --ink: #162a33;
    --muted: #596970;
    --accent: #dc5a24;
    --accent-dark: #b94317;
    --teal: #087b78;
    --mist: #f2f5f5;
    --steel: #dfe7e8;
    --line: #d7dfe1;
    --white: #fff;
    --shadow: 0 18px 45px rgb(22 42 51 / 14%);
    --shell: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.5;
    letter-spacing: 0;
    overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }

.shell { width: min(100% - 32px, var(--shell)); margin-inline: auto; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 16px;
    padding: 10px 14px;
    color: var(--white);
    background: var(--ink);
    transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
    position: sticky;
    z-index: 50;
    top: 0;
    border-bottom: 1px solid var(--line);
    background: rgb(255 255 255 / 96%);
    backdrop-filter: blur(12px);
}
.header-inner { display: flex; min-height: 68px; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; text-decoration: none; }
.brand-mark { display: grid; width: 36px; height: 36px; place-items: center; color: var(--white); background: var(--accent); }
.main-nav { display: flex; margin-left: auto; align-items: center; gap: 26px; }
.main-nav a { padding-block: 22px 19px; border-bottom: 3px solid transparent; font-size: 14px; font-weight: 700; text-decoration: none; }
.main-nav a:hover { color: var(--teal); border-color: var(--accent); }
.language-switch { display: flex; border: 1px solid var(--line); }
.language-button { min-width: 42px; min-height: 38px; border: 0; color: var(--muted); background: var(--white); cursor: pointer; font-size: 12px; font-weight: 800; }
.language-button + .language-button { border-left: 1px solid var(--line); }
.language-button.is-active { color: var(--white); background: var(--ink); }
.menu-button { display: none; width: 44px; height: 44px; margin-left: auto; border: 1px solid var(--line); background: var(--white); cursor: pointer; place-content: center; gap: 5px; }
.menu-button > span:not(.sr-only) { display: block; width: 20px; height: 2px; background: var(--ink); }

.hero { position: relative; min-height: min(720px, calc(100vh - 68px)); overflow: hidden; color: var(--white); display: grid; align-items: end; }
.hero-image, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; }
.hero-overlay { background: linear-gradient(90deg, rgb(10 27 34 / 88%) 0%, rgb(10 27 34 / 68%) 50%, rgb(10 27 34 / 18%) 100%); }
.hero-content { position: relative; z-index: 1; padding-block: clamp(84px, 13vw, 156px) 74px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.eyebrow.light { color: #ffb18f; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(42px, 6vw, 76px); line-height: 1.02; }
.hero-summary { max-width: 700px; margin: 24px 0 0; color: rgb(255 255 255 / 84%); font-size: clamp(17px, 2vw, 21px); line-height: 1.7; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; cursor: pointer; font-size: 14px; font-weight: 800; text-decoration: none; }
.button.primary { color: var(--white); background: var(--accent); }
.button.primary:hover { background: var(--accent-dark); }
.button.secondary { color: var(--white); border-color: rgb(255 255 255 / 70%); background: rgb(255 255 255 / 8%); }
.button.secondary:hover { color: var(--ink); background: var(--white); }

.section { padding-block: 88px; scroll-margin-top: 68px; }
.section.soft { background: var(--mist); }
.section-heading { max-width: 760px; }
.section-heading.compact { max-width: 580px; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.12; }
.section-heading p:last-child { margin: 20px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 48px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.solution-item { min-height: 250px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.solution-number { color: var(--accent); font: 700 13px ui-monospace, monospace; }
.solution-item h3 { margin: 48px 0 12px; font-size: 21px; }
.solution-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.products-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.catalog-filter { width: min(100%, 350px); }
.catalog-filter label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 800; }
.search-control { display: grid; grid-template-columns: 1fr 46px; border: 1px solid var(--line); }
.search-control:focus-within { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); }
.search-control input { min-width: 0; min-height: 48px; padding: 0 14px; border: 0; outline: 0; }
.search-control button { border: 0; border-left: 1px solid var(--line); background: var(--mist); cursor: pointer; font-size: 24px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 42px; }
.product-card { min-width: 0; border: 1px solid var(--line); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-media { display: grid; aspect-ratio: 16 / 10; place-items: center; padding: 24px; color: var(--muted); background: var(--mist); font-size: 13px; }
.product-media::before { content: "+"; display: block; margin-right: 8px; color: var(--teal); font-size: 26px; }
.product-media { grid-auto-flow: column; }
.product-body { padding: 24px; }
.product-brand { margin: 0 0 7px; color: var(--accent); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.product-body h3 { margin: 0; font-size: 24px; }
.product-body > p:not(.product-brand) { min-height: 72px; margin: 14px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.product-body a { color: var(--teal); font-size: 14px; font-weight: 800; text-underline-offset: 4px; }
.empty-results { margin-top: 32px; padding: 24px; border-left: 4px solid var(--accent); background: var(--mist); }

.brand-section { padding-block: 72px; color: var(--white); background: var(--ink); scroll-margin-top: 68px; }
.brand-layout { display: grid; grid-template-columns: minmax(260px, .8fr) 1.4fr; align-items: center; gap: 72px; }
.section-heading.inverse h2 { font-size: clamp(30px, 4vw, 44px); }
.section-heading.inverse p:last-child { color: rgb(255 255 255 / 68%); }
.brand-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgb(255 255 255 / 18%); border-left: 1px solid rgb(255 255 255 / 18%); }
.brand-grid span { display: grid; min-height: 105px; place-items: center; padding: 18px; border-right: 1px solid rgb(255 255 255 / 18%); border-bottom: 1px solid rgb(255 255 255 / 18%); text-align: center; font-size: 15px; font-weight: 800; }

.contact-section { background: var(--mist); }
.contact-layout { display: grid; grid-template-columns: minmax(260px, .7fr) 1.3fr; gap: 72px; }
.contact-copy h2 { max-width: 500px; margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.1; }
.contact-copy > p:not(.eyebrow) { max-width: 520px; margin: 22px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.contact-details { display: grid; gap: 20px; margin-top: 38px; }
.contact-details div { display: grid; grid-template-columns: 100px 1fr; gap: 16px; }
.contact-details dt { color: var(--muted); font-size: 13px; font-weight: 800; }
.contact-details dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.contact-form { display: grid; gap: 20px; padding: 34px; border: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-form label:not(.consent) { display: grid; gap: 8px; font-size: 13px; font-weight: 800; }
.contact-form input:not([type="checkbox"]), .contact-form textarea { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid var(--line); background: var(--white); resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--teal); outline: 1px solid var(--teal); }
.contact-form [aria-invalid="true"] { border-color: var(--accent) !important; }
.consent { display: flex; align-items: start; gap: 10px; color: var(--muted); font-size: 13px; }
.consent input { width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--accent); }
.contact-form .button { justify-self: start; border: 0; }
.form-message { display: none; margin: 0; padding: 12px 14px; border-left: 4px solid var(--accent); background: var(--mist); font-size: 13px; font-weight: 700; }
.form-message.is-visible { display: block; }
.form-note { margin: -8px 0 0; color: var(--muted); font-size: 12px; }

.site-footer { padding-block: 34px; color: rgb(255 255 255 / 72%); background: #0d1d24; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; font-size: 13px; }
.footer-brand { color: var(--white); }
.footer-inner p { margin: 0; }

@media (max-width: 900px) {
    .menu-button { display: grid; }
    .main-nav {
        position: fixed;
        inset: 68px 0 auto;
        display: none;
        margin: 0;
        padding: 12px 16px 22px;
        border-bottom: 1px solid var(--line);
        background: var(--white);
        box-shadow: var(--shadow);
    }
    .main-nav.is-open { display: grid; }
    .main-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
    .language-switch { margin-left: 0; }
    .solution-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .brand-layout, .contact-layout { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 640px) {
    .shell { width: min(100% - 24px, var(--shell)); }
    .header-inner { position: relative; gap: 12px; padding-right: 132px; }
    .brand { font-size: 18px; }
    .language-switch { position: absolute; top: 15px; right: 56px; margin: 0; }
    .language-button { min-width: 34px; min-height: 38px; }
    .menu-button { position: absolute; top: 12px; right: 0; margin: 0; }
    .hero { min-height: 620px; }
    .hero-overlay { background: linear-gradient(0deg, rgb(10 27 34 / 92%) 0%, rgb(10 27 34 / 54%) 100%); }
    .hero-content, .hero h1, .hero-summary { max-width: 100%; }
    .hero h1 { font-size: clamp(38px, 11vw, 44px); overflow-wrap: break-word; }
    .hero-summary { font-size: 16px; overflow-wrap: break-word; }
    .button-row, .button-row .button { width: 100%; }
    .section { padding-block: 64px; }
    .solution-grid, .product-grid, .brand-grid, .form-grid { grid-template-columns: 1fr; }
    .solution-item { min-height: 220px; }
    .products-heading { align-items: stretch; flex-direction: column; }
    .catalog-filter { width: 100%; }
    .product-body > p:not(.product-brand) { min-height: 0; }
    .contact-form { padding: 22px; }
    .contact-details div { grid-template-columns: 1fr; gap: 2px; }
    .footer-inner { grid-template-columns: 1fr; }
}

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