:root {
    --ink: #121416;
    --ink-soft: #24282b;
    --paper: #f5f7f6;
    --white: #ffffff;
    --line: #d9dddc;
    --muted: #697074;
    --orange: #f15a32;
    --orange-dark: #c93f1c;
    --cyan: #22a7b8;
    --max: 1180px;
    --header-height: 76px;
    --radius: 6px;
    --shadow: 0 18px 50px rgba(18, 20, 22, 0.12);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: 0; }
h1 { margin-bottom: 22px; font-size: clamp(4rem, 10vw, 8.5rem); font-weight: 760; }
h2 { margin-bottom: 22px; font-size: clamp(2.35rem, 5vw, 4.65rem); font-weight: 720; }
h3 { margin-bottom: 12px; font-size: 1.3rem; }
p { color: var(--muted); }

.wrap { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.section { padding: 112px 0; }
.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;
    top: 10px;
    left: 10px;
    z-index: 1000;
    padding: 10px 14px;
    color: var(--white);
    background: var(--ink);
    transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.eyebrow {
    margin-bottom: 18px;
    color: #80d6df;
    font-size: 0.76rem;
    font-weight: 760;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.eyebrow--dark { color: var(--orange-dark); }

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 13px 20px;
    border: 1px solid var(--orange);
    border-radius: 3px;
    color: var(--white);
    background: var(--orange);
    font-weight: 720;
    line-height: 1.2;
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.button:hover { border-color: var(--orange-dark); background: var(--orange-dark); transform: translateY(-1px); }
.button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid #7bd9e2;
    outline-offset: 3px;
}
.button--small { min-height: 40px; padding: 9px 15px; font-size: 0.88rem; }

.text-link { color: var(--ink); font-weight: 740; }
.text-link span { display: inline-block; margin-left: 5px; transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(4px); }
.text-link--light { color: var(--white); }

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 50;
    height: var(--header-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--white);
}
.site-header__inner { display: flex; height: 100%; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 1.18rem; font-weight: 780; }
.brand__mark { display: grid; width: 28px; height: 28px; grid-template-columns: repeat(3, 1fr); gap: 3px; transform: skewX(-9deg); }
.brand__mark i { display: block; background: var(--orange); }
.brand__mark i:nth-child(2) { background: var(--white); }
.brand__mark i:nth-child(3) { background: var(--cyan); }
.custom-logo { width: auto; max-height: 50px; }
.site-nav { display: flex; align-items: center; gap: 26px; font-size: 0.9rem; font-weight: 620; }
.site-nav > a:not(.button) { color: rgba(255, 255, 255, 0.86); }
.site-nav > a:not(.button):hover { color: var(--white); }
.nav-toggle { display: none; }

.hero {
    position: relative;
    display: flex;
    min-height: min(860px, 88svh);
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    color: var(--white);
    background: #070b0d var(--hero-image) center / cover no-repeat;
}
.hero__scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(4, 7, 8, 0.95) 0%, rgba(4, 7, 8, 0.72) 44%, rgba(4, 7, 8, 0.16) 100%);
}
.hero__content { position: relative; z-index: 1; padding-top: 150px; padding-bottom: 66px; }
.hero__content h1 { max-width: 830px; }
.hero__lead { max-width: 700px; margin-bottom: 30px; color: rgba(255, 255, 255, 0.8); font-size: 1.23rem; line-height: 1.55; }
.hero__actions { display: flex; align-items: center; gap: 24px; }
.hero__signals {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.24);
}
.hero__signals span { padding: 19px 18px 22px 0; color: rgba(255, 255, 255, 0.75); font-size: 0.84rem; font-weight: 620; text-transform: uppercase; }
.hero__signals span + span { padding-left: 22px; border-left: 1px solid rgba(255, 255, 255, 0.24); }

.section--intro { padding-bottom: 84px; background: var(--white); }
.intro-grid, .section-heading--split { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr); gap: 76px; align-items: end; }
.intro-grid h2 { max-width: 780px; margin-bottom: 0; }
.section-lead { margin-bottom: 6px; font-size: 1.1rem; }
.capability-strip { display: grid; margin-top: 74px; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-strip div { display: flex; min-height: 104px; align-items: center; gap: 16px; padding: 20px; }
.capability-strip div:first-child { padding-left: 0; }
.capability-strip div + div { border-left: 1px solid var(--line); }
.capability-strip strong { color: var(--orange-dark); font-size: 0.74rem; }
.capability-strip span { max-width: 150px; font-weight: 660; line-height: 1.3; }

.section--dark { color: var(--white); background: var(--ink); }
.section-heading { margin-bottom: 58px; }
.section-heading h2 { max-width: 760px; margin-bottom: 0; }
.section-heading > p { margin: 0 0 7px; font-size: 1.05rem; }
.section--dark .section-heading > p { color: #aab1b4; }
.manufacturing-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr); gap: 44px; }
.service-feature { position: relative; min-height: 630px; overflow: hidden; border-radius: var(--radius); background: #080b0d; }
.service-feature::after { position: absolute; inset: 35% 0 0; content: ""; background: linear-gradient(transparent, rgba(0, 0, 0, 0.94)); }
.service-feature img { width: 100%; height: 100%; object-fit: cover; opacity: 0.92; }
.service-feature > div { position: absolute; z-index: 2; right: 34px; bottom: 30px; left: 34px; }
.service-feature span { color: #8adbe4; font-size: 0.76rem; font-weight: 700; text-transform: uppercase; }
.service-feature h3 { margin: 6px 0 9px; font-size: 2.1rem; }
.service-feature p { max-width: 500px; margin: 0; color: #c7ccce; }
.service-list { border-top: 1px solid #404548; }
.service-list article { display: grid; min-height: 150px; grid-template-columns: 52px 1fr; gap: 18px; align-items: center; border-bottom: 1px solid #404548; }
.service-list article > span { color: #74cbd5; font-size: 0.76rem; font-weight: 720; }
.service-list h3 { margin-bottom: 7px; font-size: 1.35rem; }
.service-list p { margin: 0; color: #9da5a8; font-size: 0.94rem; }

.section--connectivity { background: #eef1f0; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.product-card { position: relative; min-height: 430px; padding: 34px; overflow: hidden; border-radius: var(--radius); background: var(--white); }
.product-card--warm { background: #ffe4da; }
.product-card--cyan { background: #d8f2f3; }
.product-card--ink { color: var(--white); background: #1d2022; }
.product-card--ink p, .product-card--ink li { color: #c5cbcd; }
.product-card__number { margin-bottom: 68px; color: var(--orange-dark); font-size: 0.76rem; font-weight: 760; }
.product-card h3 { max-width: 410px; font-size: 1.8rem; }
.product-card > p:not(.product-card__number) { max-width: 430px; }
.product-card ul { margin: 24px 0 0; padding: 0; list-style: none; color: #535a5d; font-size: 0.88rem; }
.product-card li { display: inline; }
.product-card li + li::before { margin: 0 8px; content: "/"; color: var(--orange); }
.product-card__visual { position: absolute; top: 30px; right: 30px; width: 150px; height: 84px; }
.product-card__visual::before, .product-card__visual::after, .product-card__visual span, .product-card__visual i, .product-card__visual b {
    position: absolute;
    display: block;
    content: "";
}
.product-card__visual::before { top: 40px; left: 8px; width: 112px; height: 5px; border-radius: 5px; background: var(--orange); transform: rotate(-8deg); }
.product-card__visual::after { top: 24px; right: 4px; width: 30px; height: 34px; border: 4px solid var(--ink); border-radius: 4px; }
.product-card__visual span, .product-card__visual i, .product-card__visual b { left: 0; width: 23px; height: 5px; border-radius: 5px; background: var(--ink); }
.product-card__visual span { top: 28px; transform: rotate(-28deg); }
.product-card__visual i { top: 42px; }
.product-card__visual b { top: 56px; transform: rotate(28deg); }
.product-card__visual--branch::before { width: 90px; background: var(--cyan); transform: rotate(10deg); }
.product-card__visual--branch::after { border-radius: 50%; }
.product-card__visual--data::before { background: #80d6df; transform: none; }
.product-card__visual--data::after { border-color: var(--white); }
.product-card__visual--data span, .product-card__visual--data i, .product-card__visual--data b { background: var(--white); }
.product-card__visual--connector::before { width: 80px; background: var(--orange); transform: none; }
.product-card__visual--connector::after { width: 42px; border-color: var(--cyan); }
.specification-note { display: grid; margin-top: 18px; padding: 30px 0; grid-template-columns: 180px 1fr auto; gap: 28px; align-items: center; border-top: 1px solid #cbd0cf; border-bottom: 1px solid #cbd0cf; }
.specification-note p { margin: 0; }

.section--process { background: var(--white); }
.process-list { margin-top: 0; margin-bottom: 0; padding-left: 0; list-style: none; border-top: 1px solid var(--line); }
.process-list li { display: grid; min-height: 126px; grid-template-columns: 100px minmax(0, 1fr); align-items: center; border-bottom: 1px solid var(--line); }
.process-list li > span { color: var(--orange-dark); font-size: 0.8rem; font-weight: 760; }
.process-list li div { display: grid; grid-template-columns: minmax(220px, 0.6fr) 1fr; gap: 40px; align-items: center; }
.process-list h3, .process-list p { margin: 0; }

.section--about { padding-block: 0; background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
.about-image { min-height: 700px; margin-left: calc((100vw - min(100vw - 48px, var(--max))) / -2); }
.about-image img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.about-copy { display: flex; flex-direction: column; justify-content: center; padding: 100px 0 100px 72px; }
.about-copy h2 { font-size: clamp(2.35rem, 4vw, 4rem); }
.about-copy > p:not(.eyebrow) { font-size: 1.03rem; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.about-tags span { padding: 7px 10px; border: 1px solid #c9cecc; border-radius: 3px; font-size: 0.8rem; font-weight: 650; }

.section--faq { background: #e6e9e8; }
.faq-grid { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 90px; }
.faq-grid h2 { font-size: clamp(2.35rem, 4vw, 4rem); }
.faq-list { border-top: 1px solid #bdc3c1; }
.faq-list details { border-bottom: 1px solid #bdc3c1; }
.faq-list summary { position: relative; padding: 24px 48px 24px 0; font-weight: 690; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 23px; right: 4px; content: "+"; color: var(--orange-dark); font-size: 1.35rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 650px; padding: 0 46px 24px 0; }

.section--contact { color: var(--white); background: #171a1c; }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 90px; }
.contact-grid h2 { font-size: clamp(2.45rem, 5vw, 4.8rem); }
.contact-grid > div > p:not(.eyebrow) { max-width: 520px; color: #aeb5b7; }
.contact-lines { display: grid; gap: 12px; margin-top: 42px; }
.contact-lines a { display: flex; max-width: 410px; justify-content: space-between; gap: 24px; padding-bottom: 12px; border-bottom: 1px solid #454a4c; font-weight: 680; }
.contact-lines span { color: #8b9396; font-size: 0.8rem; font-weight: 500; }
.brief-form { padding: 34px; border: 1px solid #454a4c; border-radius: var(--radius); background: #202427; }
.brief-form label { display: grid; gap: 7px; margin-bottom: 18px; color: #d6dadd; font-size: 0.82rem; font-weight: 650; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.brief-form input, .brief-form select, .brief-form textarea { width: 100%; border: 1px solid #555c60; border-radius: 3px; color: var(--white); background: #15181a; }
.brief-form input, .brief-form select { height: 48px; padding: 0 12px; }
.brief-form textarea { min-height: 132px; padding: 11px 12px; resize: vertical; }
.brief-form textarea::placeholder { color: #858d90; }
.form-note { margin: 14px 0 0; color: #8f979a; font-size: 0.76rem; }
.form-note a { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }
.form-status { min-height: 24px; margin: 8px 0 0; color: #84d9e2; font-size: 0.82rem; }

.site-footer { padding-top: 70px; color: var(--white); background: #0d0f10; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 0.7fr 0.7fr; gap: 80px; padding-bottom: 62px; }
.brand--footer { margin-bottom: 18px; }
.site-footer__grid p { max-width: 390px; color: #878f92; }
.site-footer__grid h2 { margin-bottom: 18px; color: #7f888b; font-size: 0.74rem; text-transform: uppercase; }
.site-footer__grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 9px; font-size: 0.9rem; }
.site-footer__grid > div:not(:first-child) span { color: #7f888b; }
.site-footer__base { display: flex; justify-content: space-between; gap: 30px; padding-block: 22px; border-top: 1px solid #303436; color: #737b7e; font-size: 0.74rem; }

.content-page { min-height: 60vh; padding-top: 140px; padding-bottom: 100px; }
.content-page h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
.content-page article { max-width: 820px; }
.content-page a { color: var(--orange-dark); }

@media (max-width: 960px) {
    .site-nav { gap: 16px; }
    .site-nav > a:not(.button) { display: none; }
    .intro-grid, .section-heading--split { gap: 40px; }
    .capability-strip { grid-template-columns: repeat(2, 1fr); }
    .capability-strip div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
    .capability-strip div:nth-child(4) { border-top: 1px solid var(--line); }
    .manufacturing-grid { grid-template-columns: 1fr; }
    .service-feature { min-height: 540px; }
    .service-list { display: grid; grid-template-columns: 1fr 1fr; }
    .service-list article:nth-child(odd) { border-right: 1px solid #404548; }
    .service-list article { padding-right: 18px; }
    .about-copy { padding-left: 46px; }
    .faq-grid, .contact-grid { gap: 50px; }
}

@media (max-width: 720px) {
    :root { --header-height: 68px; }
    body.nav-open { overflow: hidden; }
    .wrap { width: min(calc(100% - 32px), var(--max)); }
    .section { padding: 78px 0; }
    h1 { font-size: clamp(3.8rem, 20vw, 5.4rem); }
    h2 { font-size: 2.45rem; }
    .site-header { position: absolute; }
    .nav-toggle { display: grid; width: 42px; height: 42px; padding: 11px; border: 0; border-radius: 3px; background: rgba(255, 255, 255, 0.1); gap: 4px; cursor: pointer; }
    .nav-toggle > span:not(.sr-only) { display: block; height: 2px; background: var(--white); }
    .site-nav { position: absolute; top: var(--header-height); right: 0; left: 0; display: none; padding: 12px 16px 22px; align-items: stretch; background: #0e1113; box-shadow: var(--shadow); }
    .nav-open .site-nav { display: flex; flex-direction: column; }
    .site-nav > a:not(.button) { display: block; padding: 9px 3px; }
    .site-nav .button { margin-top: 5px; }
    .hero { min-height: 790px; background-position: 61% center; }
    .hero__scrim { background: linear-gradient(180deg, rgba(4, 7, 8, 0.62), rgba(4, 7, 8, 0.96) 72%); }
    .hero__content { padding-top: 150px; padding-bottom: 45px; }
    .hero__lead { font-size: 1.04rem; }
    .hero__actions { align-items: flex-start; flex-direction: column; gap: 18px; }
    .hero__signals { grid-template-columns: 1fr; }
    .hero__signals span { padding: 11px 0; border-top: 1px solid rgba(255, 255, 255, 0.18); }
    .hero__signals span + span { padding-left: 0; border-left: 0; }
    .intro-grid, .section-heading--split, .faq-grid, .contact-grid { grid-template-columns: 1fr; gap: 25px; }
    .section--intro { padding-bottom: 58px; }
    .capability-strip { margin-top: 48px; grid-template-columns: 1fr; }
    .capability-strip div { min-height: 78px; padding-left: 0; }
    .capability-strip div + div { border-top: 1px solid var(--line); border-left: 0; }
    .section-heading { margin-bottom: 38px; }
    .manufacturing-grid { gap: 28px; }
    .service-feature { min-height: 500px; }
    .service-feature > div { right: 22px; bottom: 24px; left: 22px; }
    .service-list { grid-template-columns: 1fr; }
    .service-list article:nth-child(odd) { border-right: 0; }
    .product-grid { grid-template-columns: 1fr; }
    .product-card { min-height: 440px; padding: 26px; }
    .product-card__visual { right: 20px; }
    .specification-note { grid-template-columns: 1fr; gap: 8px; }
    .process-list li { grid-template-columns: 46px 1fr; padding-block: 24px; }
    .process-list li div { grid-template-columns: 1fr; gap: 7px; }
    .about-grid { width: 100%; grid-template-columns: 1fr; }
    .about-image { min-height: 450px; margin-left: 0; }
    .about-copy { padding: 70px 16px; }
    .section--about { padding: 0; }
    .faq-grid { gap: 16px; }
    .contact-lines a { align-items: flex-start; flex-direction: column; gap: 2px; }
    .brief-form { padding: 24px 18px; }
    .field-row { grid-template-columns: 1fr; gap: 0; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 34px; }
    .site-footer__base { align-items: flex-start; flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}