:root {
  --ink: #081425;
  --ink-soft: #1c2b3f;
  --muted: #68778a;
  --line: #d8e0e7;
  --pale: #edf1f4;
  --paper: #f7f8f7;
  --blue: #075e9a;
  --blue-bright: #0879c4;
  --aqua: #00b847;
  --navy: #071524;
  --navy-2: #0d263f;
  --white: #ffffff;
  --radius: 2px;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 130px; }
body { margin: 0; background: var(--paper); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
.section-shell { width: min(1240px, calc(100% - 64px)); margin: 0 auto; }
.anchor-target { position: absolute; top: 0; }
.skip-link { position: fixed; z-index: 50; top: 12px; left: 12px; transform: translateY(-160%); padding: 12px 16px; color: #fff; background: var(--blue); font-size: 13px; font-weight: 800; transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }

:focus-visible { outline: 3px solid #00b847; outline-offset: 3px; }

.site-header { position: sticky; z-index: 20; top: 0; width: min(1320px, calc(100% - 64px)); min-height: 118px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 34px; background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 11px; letter-spacing: .04em; }
.brand-logo-lockup { width: 91px; height: 91px; overflow: hidden; background: transparent; }
.brand-logo { width: 100%; height: 100%; object-fit: contain; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; color: #fff; background: var(--blue); font-size: 17px; font-weight: 900; }
.brand strong { display: block; color: var(--ink); font-size: 13px; font-weight: 900; letter-spacing: .19em; }
.brand small { display: block; margin-top: 3px; color: #718094; font-size: 8px; font-weight: 800; letter-spacing: .17em; }
nav { display: flex; flex-wrap: nowrap; align-items: center; gap: 34px; color: #34465d; font-size: 14px; font-weight: 850; letter-spacing: .035em; text-transform: uppercase; white-space: nowrap; }
nav > a { padding: 18px 0; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--blue); }
.nav-cta { padding: 17px 25px; border: 1px solid #9db6cf; color: var(--ink); }
.language-picker { display: inline-flex; align-items: center; min-height: 54px; border: 1px solid #b8cadc; background: #fff; }
.language-picker select { width: 156px; padding: 0 31px 0 16px; border: 0; outline: 0; color: var(--ink); background: transparent; font: inherit; font-size: 14px; font-weight: 850; letter-spacing: .015em; cursor: pointer; }
.mobile-menu { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; clip-path: inset(50%); }
.nav-cta:hover { border-color: var(--ink); color: var(--ink); }

.hero { position: relative; display: grid; grid-template-columns: .62fr 1.38fr; min-height: 616px; margin-top: 8px; overflow: hidden; color: #fff; background: linear-gradient(119deg, #07182d 0%, #0b2745 60%, #0a406a 100%); }
.hero::before { position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, #061427 0%, #061427 38%, #061427dd 43%, #06142700 53%); content: ""; pointer-events: none; }
.hero-copy { position: relative; z-index: 2; padding: 75px 0 61px 48px; }
.eyebrow { margin-bottom: 18px; color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .19em; line-height: 1.4; }
.hero .eyebrow { color: #74dcd4; }
h1 { max-width: 560px; margin-bottom: 25px; font-size: clamp(48px, 4.75vw, 70px); font-weight: 650; letter-spacing: -.07em; line-height: .94; }
.hero-lede { max-width: 465px; margin-bottom: 0; color: #c5d3df; font-size: 16px; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 36px 0 48px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 48px; padding: 13px 18px; border: 1px solid transparent; border-radius: 0; cursor: pointer; font: inherit; font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #061426; background: var(--aqua); }
.button-primary:hover { background: #51e6d8; }
.button-ghost { border-color: #a9c1d5; color: #fff; background: transparent; }
.button-ghost:hover { border-color: #fff; background: #ffffff12; }
.button-whatsapp { min-height: 54px; padding-right: 22px; padding-left: 22px; color: #fff; background: #14975b; box-shadow: 0 10px 22px #008c5238; }
.button-whatsapp:hover { background: #20b96f; }
.button-alibaba { border-color: #f48a2a; color: #fff; background: #e96f18; box-shadow: 0 10px 22px #e96f1838; }
.button-alibaba:hover { border-color: #ffb15b; background: #f78730; }
.hero-actions .hero-alibaba { flex-basis: 100%; width: fit-content; justify-content: flex-start; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; max-width: 570px; }
.hero-facts div { padding-top: 14px; border-top: 1px solid #ffffff3d; }
.hero-facts b { display: block; font-size: 22px; font-weight: 750; letter-spacing: -.045em; }
.hero-facts span { display: block; margin-top: 5px; color: #91aabf; font-size: 10px; font-weight: 700; letter-spacing: .05em; line-height: 1.35; text-transform: uppercase; }
.hero-visual { position: relative; min-width: 0; align-self: stretch; overflow: hidden; }
.hero-visual::after { position: absolute; inset: 0; background: linear-gradient(0deg, #06192c7d 0%, transparent 19%); content: ""; pointer-events: none; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.95) contrast(1.05); }
.hero-glow { position: absolute; z-index: 1; width: 68%; height: 40%; right: -8%; bottom: -18%; border-radius: 50%; background: #19d3c261; filter: blur(55px); }
.hero-tag { position: absolute; z-index: 2; top: 29px; right: 28px; padding: 10px 12px; border: 1px solid #ffffff79; color: #fff; background: #061a2dbd; backdrop-filter: blur(10px); font-size: 9px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 4px #28dbc832; }
.hero-spec-panel { display: none; }
.hero-spec-panel span { display: block; margin-bottom: 7px; color: var(--aqua); font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.hero-spec-panel strong { display: block; color: #fff; font-size: 15px; font-weight: 650; line-height: 1.3; }

.industry-ribbon { color: #cad5de; background: #0a1727; }
.industry-ribbon > div { display: flex; align-items: center; min-height: 57px; gap: 18px; overflow: auto; white-space: nowrap; }
.industry-ribbon span { color: #d8e3eb; font-size: 10px; font-weight: 850; letter-spacing: .15em; }
.industry-ribbon i { width: 4px; height: 4px; flex: 0 0 4px; border-radius: 50%; background: var(--aqua); }

.proof-strip { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.proof-strip > div { min-height: 148px; padding: 28px 24px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.proof-icon { display: block; margin-bottom: 19px; color: var(--blue); font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.proof-strip strong, .proof-strip small { display: block; }
.proof-strip strong { color: var(--ink); font-size: 15px; letter-spacing: -.025em; }
.proof-strip small { margin-top: 7px; color: var(--muted); font-size: 10px; font-weight: 650; line-height: 1.5; }

.section-block { padding: 126px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 65px; margin-bottom: 50px; }
.section-heading h2, .skd-copy h2, .inquiry-layout h2 { max-width: 760px; margin-bottom: 0; color: var(--ink); font-size: clamp(39px, 4.45vw, 65px); font-weight: 680; letter-spacing: -.065em; line-height: .98; }
.section-heading > p { max-width: 385px; margin: 0 0 5px; color: #647386; font-size: 14px; line-height: 1.72; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.product-card { display: flex; min-height: 410px; flex-direction: column; overflow: hidden; border: 1px solid #d5dee6; border-radius: 0; background: #fff; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
.product-card:hover { z-index: 1; border-color: #91b8e6; box-shadow: 0 18px 36px #0b2c4c18; transform: translateY(-4px); }
.product-image { display: grid; height: 245px; min-height: 0; place-items: center; overflow: hidden; padding: 15px; background: linear-gradient(145deg, #ecf0f3, #fff 72%); }
.product-image img { width: 100%; height: 100%; max-height: 100%; min-height: 0; object-fit: contain; mix-blend-mode: multiply; }
.product-content { position: relative; flex: 1; padding: 21px 20px; border-top: 3px solid var(--blue); }
.product-number { color: var(--blue); font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.product-content h3 { margin: 9px 0 8px; color: var(--ink); font-size: 16px; letter-spacing: -.03em; }
.product-content p { margin-bottom: 12px; color: #31445a; font-size: 11px; font-weight: 800; line-height: 1.45; }
.product-use { display: block; color: #718094; font-size: 10px; font-weight: 650; line-height: 1.5; }
.product-card-featured .product-content { border-top-color: var(--aqua); }
.product-card-dark { border-color: #0e375b; background: var(--navy-2); }
.product-card-dark .product-image { background: linear-gradient(145deg, #e4edf4, #fff); }
.product-card-dark .product-content { border-top-color: var(--aqua); }
.product-card-dark .product-content h3 { color: #fff; }
.product-card-dark .product-content p, .product-card-dark .product-use { color: #b3c8db; }
.compact-card { min-height: 365px; }
.compact-card .product-image { height: 215px; }
.full-range-section { padding-top: 18px; }
.range-group { margin-top: 74px; }
.range-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 21px; padding-bottom: 15px; border-bottom: 1px solid #aab7c3; }
.range-heading h3 { margin: 0; color: var(--ink); font-size: 20px; letter-spacing: -.035em; }
.range-heading span { color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.compact-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.catalog-note { max-width: 800px; margin: 32px 0 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.catalog-link { display: inline-block; margin-top: 23px; }

.dark-section { position: relative; overflow: hidden; color: #fff; background: linear-gradient(116deg, #061527 0%, #0a2745 68%, #092a45 100%); }
.dark-section::before { position: absolute; top: -180px; right: -80px; width: 630px; height: 630px; border: 1px solid #4be0e343; border-radius: 50%; box-shadow: 0 0 0 80px #4be0e306, 0 0 0 160px #4be0e304; content: ""; }
.dark-section .section-shell { position: relative; }
.dark-heading > p, .dark-heading h2 { color: #fff; }
.dark-heading .eyebrow { color: var(--aqua); }
.dark-heading > p { color: #b5c8d9; }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #ffffff42; }
.solution-grid article { min-height: 333px; margin-right: 24px; padding: 28px 24px 20px 0; border-right: 1px solid #ffffff32; }
.solution-grid article:last-child { margin-right: 0; border-right: 0; }
.solution-index { color: var(--aqua); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.solution-grid h3 { margin: 50px 0 14px; font-size: 20px; letter-spacing: -.035em; }
.solution-grid p { color: #b8cada; font-size: 13px; line-height: 1.68; }
.solution-note { display: block; margin-top: 23px; color: #78a8cd; font-size: 10px; line-height: 1.55; }
.solution-guides-link { display: inline-block; margin-top: 31px; border-color: var(--aqua); color: #fff; }

.skd-section { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 84px; }
.skd-media { position: relative; padding: 16px; border: 1px solid #bccbd7; background: #e5ebef; }
.skd-media::before { position: absolute; top: -12px; left: -12px; width: 72px; height: 72px; border-top: 3px solid var(--blue); border-left: 3px solid var(--blue); content: ""; }
.skd-media img { position: relative; width: 100%; }
.skd-copy > p:not(.eyebrow) { max-width: 530px; margin: 25px 0; color: #5e6d80; font-size: 15px; line-height: 1.75; }
.skd-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px; margin: 30px 0 37px; }
.skd-list span { position: relative; padding-left: 17px; color: #304256; font-size: 11px; font-weight: 700; line-height: 1.52; }
.skd-list span::before { position: absolute; top: 6px; left: 0; width: 6px; height: 6px; background: var(--aqua); content: ""; }
.skd-guide-link { display: inline-block; margin-right: 24px; }
.text-link { padding-bottom: 5px; border-bottom: 2px solid var(--blue); color: var(--blue); font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.text-link span { margin-left: 9px; }

.guide-hero { padding: 88px 0 77px; color: #fff; background: linear-gradient(116deg, #061527 0%, #0a2745 68%, #092a45 100%); }
.guide-hero .eyebrow { color: var(--aqua); }
.guide-hero h1 { max-width: 900px; margin-bottom: 24px; color: #fff; font-size: clamp(44px, 5.5vw, 78px); }
.guide-hero p:not(.eyebrow) { max-width: 750px; margin: 0; color: #c5d3df; font-size: 17px; line-height: 1.75; }
.guide-page { padding-bottom: 112px; }
.guide-section { padding-top: 82px; }
.guide-section > h2 { max-width: 760px; margin-bottom: 22px; color: var(--ink); font-size: clamp(31px, 3.45vw, 48px); font-weight: 680; letter-spacing: -.055em; line-height: 1.04; }
.guide-section > p { max-width: 800px; color: #53647a; font-size: 15px; line-height: 1.78; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 31px; }
.guide-card { min-height: 225px; padding: 27px 25px; border: 1px solid var(--line); background: #fff; }
.guide-card .guide-index { display: block; margin-bottom: 39px; color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.guide-card h3 { margin-bottom: 12px; color: var(--ink); font-size: 19px; letter-spacing: -.035em; }
.guide-card p { margin: 0; color: #637287; font-size: 13px; line-height: 1.68; }
.guide-card .text-link { display: inline-block; margin-top: 19px; font-size: 9px; }
.guide-faq { display: grid; gap: 11px; margin-top: 31px; }
.guide-faq details { border: 1px solid var(--line); background: #fff; }
.guide-faq summary { position: relative; padding: 21px 53px 21px 22px; color: var(--ink); cursor: pointer; font-size: 16px; font-weight: 800; letter-spacing: -.02em; list-style: none; }
.guide-faq summary::-webkit-details-marker { display: none; }
.guide-faq summary::after { position: absolute; top: 19px; right: 22px; color: var(--blue); content: "+"; font-size: 23px; font-weight: 500; }
.guide-faq details[open] summary::after { content: "−"; }
.guide-faq p { max-width: 100%; margin: 0; padding: 0 22px 22px; color: #5b6b80; font-size: 14px; line-height: 1.75; }
.guide-cta { margin-top: 82px; padding: 48px; color: #fff; background: #071727; }
.guide-cta h2 { max-width: 650px; margin-bottom: 14px; color: #fff; font-size: clamp(31px, 3.45vw, 48px); letter-spacing: -.055em; line-height: 1.04; }
.guide-cta p { max-width: 700px; margin-bottom: 26px; color: #b7cada; font-size: 15px; line-height: 1.72; }
.guide-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.guide-cta .button { width: auto; }

.inquiry-section { position: relative; overflow: hidden; color: #fff; background: #071727; }
.inquiry-section::after { position: absolute; right: -10%; bottom: -60%; width: 70%; height: 120%; border: 1px solid #37decb2e; border-radius: 50%; box-shadow: 0 0 0 85px #37decb07; content: ""; pointer-events: none; }
.inquiry-layout { position: relative; z-index: 1; display: grid; grid-template-columns: .82fr 1.18fr; gap: 86px; padding-top: 121px; padding-bottom: 121px; }
.inquiry-layout .eyebrow { color: var(--aqua); }
.inquiry-layout h2 { color: #fff; }
.inquiry-lede { max-width: 420px; margin-top: 25px; color: #aec3d4; font-size: 15px; line-height: 1.72; }
.contact-lines { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 35px; }
.contact-lines span { padding: 8px 10px; border: 1px solid #ffffff30; color: #d4e2ed; font-size: 9px; font-weight: 850; letter-spacing: .08em; }
.direct-contact { display: grid; gap: 10px; margin: 27px 0 0; }
.contact-card { display: block; max-width: 440px; padding: 17px 19px 16px; border: 1px solid #ffffff42; color: #fff; background: #ffffff0c; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.contact-card:hover { border-color: var(--aqua); background: #ffffff17; transform: translateX(4px); }
.contact-card span, .contact-card em { display: block; font-size: 9px; font-style: normal; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.contact-card span { color: #a9c2d4; }
.contact-card strong { display: block; margin: 6px 0 7px; color: #fff; font-size: clamp(18px, 1.5vw, 23px); font-weight: 760; letter-spacing: -.03em; line-height: 1.1; }
.contact-card em { color: #87a8bd; letter-spacing: .04em; text-transform: none; }
.contact-whatsapp { border-color: #25d3668a; background: #0b9e583b; }
.contact-whatsapp:hover { border-color: #53ec98; background: #0cbd695b; }
.contact-whatsapp strong, .contact-whatsapp em { color: #8df6bf; }
.contact-alibaba { border-color: #ff9a4e8c; background: #f0781b24; }
.contact-alibaba:hover { border-color: #ffb16f; background: #f0781b3b; }
.contact-alibaba strong, .contact-alibaba em { color: #ffbc86; }
.inquiry-form { padding: 32px; border: 1px solid #ffffff2d; background: #0e2945ba; backdrop-filter: blur(11px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.inquiry-form label { display: block; margin-bottom: 15px; color: #cad9e7; font-size: 10px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { display: block; width: 100%; margin-top: 8px; padding: 13px 14px; border: 1px solid #ffffff2b; border-radius: 0; outline: none; color: #fff; background: #06182c; font: inherit; font-size: 12px; }
.inquiry-form input::placeholder, .inquiry-form textarea::placeholder { color: #7892aa; }
.inquiry-form select { color: #dce9f5; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--aqua); box-shadow: 0 0 0 2px #28dbc825; }
.form-bottom { display: flex; align-items: center; gap: 15px; margin-top: 8px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.form-actions .button { min-height: 47px; }
.form-actions .form-whatsapp { min-height: 47px; box-shadow: none; }
.form-bottom small { color: #8da8c2; font-size: 10px; line-height: 1.45; }
.form-status { min-height: 15px; margin: 13px 0 0; color: #69e5c6; font-size: 11px; line-height: 1.5; }

.site-footer { color: #93a9bc; background: #04101d; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 37px 0; }
.footer-logo { width: 70px; height: 70px; padding: 2px; border: 0; background: transparent; }
.footer-logo .brand-logo { filter: brightness(0) invert(1); opacity: .92; }
html[dir="rtl"] .hero-copy, html[dir="rtl"] .section-heading, html[dir="rtl"] .skd-copy, html[dir="rtl"] .inquiry-layout { text-align: right; }
html[dir="rtl"] .contact-card:hover { transform: translateX(-4px); }
html[dir="rtl"] .skd-list span { padding-right: 17px; padding-left: 0; }
html[dir="rtl"] .skd-list span::before { right: 0; left: auto; }
.footer-inner p, .footer-inner a { margin: 0; font-size: 10px; font-weight: 700; }
.footer-links { display: flex; gap: 18px; }
.footer-inner a { color: #75baff; }
.legal-note { padding: 18px 0 29px; border-top: 1px solid #ffffff19; color: #668096; font-size: 10px; line-height: 1.65; }
.quick-contact { position: fixed; z-index: 15; right: max(18px, calc((100vw - 1420px) / 2)); bottom: 22px; display: grid; gap: 8px; width: 170px; }
.quick-contact a { padding: 12px 14px; border: 1px solid #ffffff54; box-shadow: 0 11px 28px #07172933; transition: transform .2s ease, filter .2s ease; }
.quick-contact a:hover { filter: brightness(1.08); transform: translateY(-2px); }
.quick-contact span, .quick-contact strong { display: block; }
.quick-contact span { margin-bottom: 4px; font-size: 9px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.quick-contact strong { font-size: 12px; letter-spacing: -.01em; }
.quick-contact-whatsapp { color: #fff; background: #15955a; }
.quick-contact-email { color: #fff; background: #075e9a; }
.privacy-page { max-width: 880px; padding-top: 104px; padding-bottom: 125px; }
.privacy-page h1 { max-width: 760px; font-size: clamp(44px, 5vw, 70px); }
.privacy-page h2 { margin: 44px 0 10px; font-size: 21px; letter-spacing: -.035em; }
.privacy-page p:not(.eyebrow) { color: #526276; font-size: 15px; line-height: 1.85; }

@media (max-width: 1140px) {
  .site-header { width: min(100% - 40px, 1080px); gap: 20px; }
  .brand-logo-lockup { width: 80px; height: 80px; }
  nav { gap: 21px; }
  .nav-cta { padding: 17px 21px; }
  .language-picker select { width: 144px; }
}

@media (max-width: 1000px) {
  .hero { display: block; min-height: 0; }
  .hero::before { display: none; }
  .hero-copy { padding: 74px 52px 54px; background: #071827; }
  .hero-visual { display: block; min-height: 330px; max-height: 390px; }
  .hero-visual img { position: absolute; inset: 0; object-position: center; }
  .hero-visual::before { position: absolute; z-index: 1; inset: 0; background: linear-gradient(0deg, #06192c82 0%, transparent 46%); content: ""; pointer-events: none; }
  .hero-tag { top: 18px; right: 18px; }
  .proof-strip, .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-strip > div:nth-child(3), .proof-strip > div:nth-child(4), .solution-grid article:nth-child(3), .solution-grid article:nth-child(4) { border-top: 1px solid var(--line); }
  .solution-grid article:nth-child(2) { border-right: 0; margin-right: 0; }
  .solution-grid article:nth-child(3), .solution-grid article:nth-child(4) { border-color: #ffffff32; }
  .skd-section, .inquiry-layout { grid-template-columns: 1fr; gap: 52px; }
  .product-grid, .compact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .section-shell, .site-header { width: min(100% - 32px, 560px); }
  .site-header { min-height: 82px; }
  .brand-logo-lockup { width: 68px; height: 68px; }
  nav { margin-left: auto; gap: 0; font-size: 10px; }
  nav > a { display: none; }
  .language-picker { min-height: 37px; }
  .language-picker select { width: 78px; padding-left: 7px; font-size: 9px; }
  .mobile-menu { position: relative; display: block; }
  .mobile-menu summary { display: grid; gap: 4px; width: 38px; padding: 11px 9px; border: 1px solid #b8cadc; list-style: none; cursor: pointer; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span { display: block; height: 1px; background: var(--ink); }
  .mobile-menu-panel { position: absolute; top: calc(100% + 10px); right: 0; display: grid; width: min(280px, calc(100vw - 32px)); padding: 10px; border: 1px solid #c9d6e1; box-shadow: 0 16px 34px #0a243b24; background: #fff; }
  .mobile-menu-panel a { padding: 15px 13px; color: #263a52; font-size: 13px; font-weight: 820; letter-spacing: .02em; text-transform: uppercase; }
  .mobile-menu-panel .nav-cta { margin-top: 4px; color: var(--ink); background: #e9f2f5; }
  .brand strong { font-size: 11px; }
  .hero { min-height: 0; margin: 0; }
  .hero-copy { padding: 49px 26px 38px; }
  .hero-visual { min-height: 245px; max-height: 280px; }
  .hero-visual img { object-position: 54% center; }
  .hero-tag { top: 12px; right: 12px; padding: 8px 9px; font-size: 8px; }
  h1 { font-size: clamp(42px, 12.2vw, 55px); }
  .hero-lede { font-size: 14px; line-height: 1.62; }
  .hero-facts { display: none; }
  .hero-actions { margin: 25px 0 0; }
  .button { width: 100%; }
  .hero-actions .button-primary, .hero-actions .button-whatsapp, .hero-actions .hero-alibaba { min-height: 55px; }
  .hero-actions .hero-alibaba { width: 100%; justify-content: center; }
  .hero-actions .button-ghost { min-height: 46px; }
  .hero-actions .button-ghost { display: none; }
  .industry-ribbon > div { gap: 13px; min-height: 52px; }
  .industry-ribbon span { font-size: 8px; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip > div { min-height: auto; padding: 23px 20px; }
  .proof-strip > div + div { border-top: 1px solid var(--line); }
  .section-block { padding: 82px 0; }
  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading > p { margin-top: 22px; }
  .section-heading h2, .skd-copy h2, .inquiry-layout h2 { font-size: 42px; }
  .product-grid, .compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .product-card, .compact-card { min-height: 315px; }
  .product-image, .compact-card .product-image { height: 168px; padding: 8px; }
  .product-content { padding: 14px; }
  .product-content h3 { font-size: 14px; }
  .product-content p, .product-use { font-size: 10px; }
  .range-group { margin-top: 52px; }
  .range-heading { display: block; }
  .range-heading span { display: block; margin-top: 7px; line-height: 1.5; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-grid article, .solution-grid article:nth-child(2), .solution-grid article:nth-child(3) { min-height: auto; margin: 0; padding: 26px 0; border-top: 1px solid #ffffff32; border-right: 0; }
  .solution-grid article:first-child { border-top: 0; }
  .solution-grid h3 { margin: 27px 0 12px; }
  .guide-hero { padding: 58px 0 56px; }
  .guide-hero h1 { font-size: 43px; }
  .guide-hero p:not(.eyebrow), .guide-section > p { font-size: 14px; }
  .guide-page { padding-bottom: 74px; }
  .guide-section { padding-top: 62px; }
  .guide-section > h2, .guide-cta h2 { font-size: 35px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: auto; }
  .guide-card .guide-index { margin-bottom: 26px; }
  .guide-faq summary { padding: 18px 47px 18px 18px; font-size: 15px; }
  .guide-faq summary::after { top: 15px; right: 18px; }
  .guide-faq p { padding: 0 18px 18px; font-size: 13px; }
  .guide-cta { margin-top: 62px; padding: 29px 23px; }
  .guide-cta .button { width: 100%; }
  .skd-guide-link { margin-bottom: 22px; }
  .skd-list { grid-template-columns: 1fr; }
  .inquiry-layout { gap: 40px; padding-top: 82px; padding-bottom: 82px; }
  .inquiry-form { padding: 21px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-bottom, .form-actions { align-items: flex-start; flex-direction: column; }
  .form-actions .button { width: 100%; }
  .contact-card { max-width: none; padding: 16px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .quick-contact { right: 13px; bottom: 13px; width: 48px; grid-template-columns: 1fr; }
  .quick-contact a { display: grid; width: 48px; min-width: 48px; height: 48px; padding: 0; border-radius: 50%; place-items: center; }
  .quick-contact a::before { font-size: 10px; font-weight: 950; letter-spacing: .02em; }
  .quick-contact-whatsapp::before { content: "WA"; }
  .quick-contact-email::before { content: "@"; font-size: 19px !important; }
  .quick-contact span, .quick-contact strong { display: none; }
}

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