:root {
  --ink: #111820;
  --muted: #5b6875;
  --line: #d7e0e7;
  --panel: #f3f7f8;
  --panel-strong: #eaf1f3;
  --paper: #ffffff;
  --teal: #007a73;
  --teal-dark: #005f5b;
  --green: #3e8754;
  --red: #b73535;
  --blue: #285eaa;
  --dark: #10161d;
  --dark-2: #18232c;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #fbfcfc; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 10; }
.skip-link:focus { left: 8px; }
.site-header {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 76px; padding: 14px clamp(18px, 4vw, 56px); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(215,224,231,.86); box-shadow: 0 10px 32px rgba(17,24,32,.05);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 230px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: var(--radius); background: linear-gradient(135deg, var(--dark), var(--teal-dark)); color: #fff; font-weight: 800; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 12px; }
nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); color: #2d353c; font-size: 14px; }
nav a:hover, .text-link { color: var(--teal); }
.breadcrumb { display: flex; gap: 10px; align-items: center; width: min(1180px, calc(100% - 36px)); margin: 18px auto 0; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--teal); font-weight: 800; }
.breadcrumb span:before { content: "/"; margin-right: 10px; color: #9aa7b1; }
.hero { position: relative; min-height: min(560px, 64vh); display: grid; align-items: end; overflow: hidden; background: var(--dark); }
.hero picture, .hero picture img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero:after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,11,15,.9) 0%, rgba(7,11,15,.68) 44%, rgba(7,11,15,.08) 100%); }
.hero__content { position: relative; z-index: 1; width: min(1180px, calc(100% - 36px)); margin: 0 auto; color: #fff; padding: clamp(88px, 12vh, 122px) 0 62px; }
.hero__content h1, .hero__content p, .hero__content .hero__actions { max-width: 690px; }
.hero h1 { font-size: clamp(42px, 4.7vw, 64px); max-width: 760px; }
.eyebrow { margin: 0 0 10px; color: var(--teal); text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: 0; }
.hero .eyebrow { color: #8be2cf; }
h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(40px, 6vw, 78px); max-width: 820px; }
h2 { font-size: clamp(28px, 3vw, 44px); }
h3 { font-size: 20px; }
p { color: var(--muted); margin: 12px 0 0; }
.hero p { color: #dce5e8; font-size: clamp(17px, 2vw, 21px); max-width: 680px; }
.hero__actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 18px; border-radius: var(--radius); font-weight: 800; border: 1px solid transparent; }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 10px 22px rgba(0,122,115,.22); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.hero .btn-secondary { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.35); }
.trust-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border-bottom: 1px solid var(--line); }
.trust-strip span { background: var(--paper); padding: 18px; text-align: center; font-weight: 800; color: #29323a; }
.section, .split-section, .standard-hero, .product-hero, .cta-band { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: clamp(54px, 7vw, 92px) 0; }
.section-alt { width: 100%; background: linear-gradient(180deg, var(--panel), #fff); border-block: 1px solid var(--line); }
.section-alt > .section-head, .section-alt > .cluster-grid, .section-alt > .link-grid, .section-alt > .product-grid { width: min(1180px, calc(100% - 36px)); margin-inline: auto; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 520px); gap: 28px; align-items: end; margin-bottom: 28px; }
.section-head.wide { grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); }
.section-head p { margin-top: 0; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-grid.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(20,23,26,.12); }
.product-card:hover { border-color: rgba(0,122,115,.45); }
.product-card__image { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 18px; background: linear-gradient(180deg, #f8fbfc, var(--panel-strong)); }
.product-card__body { padding: 18px; min-height: 214px; display: flex; flex-direction: column; }
.product-card__body .text-link { margin-top: auto; font-weight: 800; padding-top: 14px; }
.split-section, .standard-hero, .product-hero, .two-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 520px); gap: clamp(28px, 5vw, 72px); align-items: center; }
.section-image { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.check-list li { padding-left: 28px; position: relative; color: #303941; }
.check-list li:before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; border-radius: 50%; background: var(--green); }
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.link-grid a, .guide-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; font-weight: 800; background: var(--paper); }
.link-grid a:hover, .guide-card:hover { border-color: rgba(0,122,115,.46); box-shadow: 0 14px 34px rgba(17,24,32,.08); }
.link-grid span, .guide-card span { display: block; color: var(--muted); font-weight: 400; margin-top: 8px; font-size: 14px; }
.cluster-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.cluster-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 3vw, 30px); }
.cluster-card p { min-height: 76px; }
.cluster-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.cluster-links .guide-card { padding: 14px; }
.matrix-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 44px rgba(17,24,32,.06); }
.model-matrix { width: 100%; border-collapse: collapse; min-width: 860px; }
.model-matrix th { text-align: left; background: var(--dark-2); color: #fff; padding: 16px; font-size: 13px; text-transform: uppercase; }
.model-matrix td { padding: 16px; border-top: 1px solid var(--line); vertical-align: top; color: #34414d; }
.model-matrix td:first-child { width: 210px; }
.model-matrix td span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.model-matrix a { color: var(--teal); font-weight: 800; }
.cta-band { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 30px; align-items: center; margin-bottom: 32px; padding-inline: clamp(20px, 4vw, 42px); background: linear-gradient(135deg, var(--dark), #12312f); color: #fff; border-radius: var(--radius); }
.cta-band p { color: #d7e0e4; }
.contact-direct { width: min(1180px, calc(100% - 36px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 520px); gap: clamp(24px, 4vw, 54px); align-items: center; padding: 28px clamp(20px, 4vw, 38px); background: linear-gradient(135deg, var(--dark), #12312f); color: #fff; border-radius: var(--radius); }
.contact-direct p { color: #d7e0e4; }
.contact-cards { display: grid; gap: 12px; }
.contact-card { display: block; padding: 18px; border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius); background: rgba(255,255,255,.08); }
.contact-card span { display: block; color: #a9eee2; font-size: 12px; text-transform: uppercase; font-weight: 800; }
.contact-card strong { display: block; color: #fff; margin-top: 4px; font-size: clamp(18px, 2vw, 24px); overflow-wrap: anywhere; }
.product-hero { min-height: 560px; }
.product-hero__copy p, .standard-hero p { font-size: 18px; }
.product-hero__media { background: linear-gradient(180deg, #fff, var(--panel)); border: 1px solid var(--line); border-radius: var(--radius); min-height: 420px; display: grid; place-items: center; padding: 30px; box-shadow: 0 18px 46px rgba(17,24,32,.08); }
.product-hero__media img { max-height: 430px; object-fit: contain; }
.spec-panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 34px); }
dl { margin: 18px 0 0; display: grid; gap: 12px; }
dl div { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
dt { font-weight: 800; }
dd { margin: 0; color: var(--muted); }
.content-block { border-top: 3px solid var(--teal); padding: 22px 0 0; }
.three-rows, .article-stack { display: grid; gap: 28px; }
.page-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(26px, 4vw, 48px); align-items: start; }
.guide-rail { position: sticky; top: 96px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 20px; }
.guide-rail h2 { font-size: 20px; margin-bottom: 12px; }
.guide-rail div { display: grid; gap: 8px; }
.guide-rail a { color: var(--teal); font-weight: 800; border-top: 1px solid var(--line); padding-top: 8px; }
.inquiry-block { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; background: #fff; }
summary { cursor: pointer; font-weight: 800; }
.site-footer { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 28px; padding: 46px clamp(18px, 4vw, 56px); background: #eef3f5; border-top: 1px solid var(--line); }
.site-footer h2, .site-footer h3 { font-size: 18px; margin: 0; }
.site-footer a { color: var(--teal); }
@media (max-width: 900px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; }
  nav { width: 100%; flex-wrap: wrap; gap: 10px 18px; overflow: visible; padding-bottom: 4px; }
  h1 { font-size: clamp(36px, 12vw, 56px); }
  .trust-strip, .product-grid, .product-grid.compact, .link-grid, .section-head, .section-head.wide, .split-section, .standard-hero, .product-hero, .two-columns, .cta-band, .site-footer, .cluster-grid, .cluster-links, .page-grid, .contact-direct { grid-template-columns: 1fr; }
  .hero { min-height: 620px; align-items: end; }
  .hero:after { background: linear-gradient(0deg, rgba(6,10,13,.92) 0%, rgba(6,10,13,.62) 62%, rgba(6,10,13,.16) 100%); }
  .hero__content { margin: 0 auto; padding: 96px 0 48px; }
  .product-card__body { min-height: 0; }
  .product-hero__media { min-height: 320px; }
  .guide-rail { position: static; }
  .cluster-card p { min-height: 0; }
  dl div { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 520px) {
  .brand { min-width: 0; }
  .brand strong { font-size: 15px; }
  .hero__actions, .cta-actions { flex-direction: column; }
  .btn { width: 100%; }
  .trust-strip span { text-align: left; }
  .breadcrumb { flex-wrap: wrap; }
  .model-matrix { min-width: 760px; }
}