:root { --deep: #091a25; --navy: #102737; --gold: #d9c092; }
.brand-lockup { display: block; width: 178px; max-width: 100%; height: auto; }
.mast { background: #fff; color: #0b3553; border-bottom-color: #d8e1e4; }
.mast-inner { min-height: 104px; }
.mast .nav-link, .mast .menu-toggle { color: #0b3553; }
.mast .nav-link:hover, .mast .nav-link[aria-current="page"] { color: #145d7f; }
.mast .nav-link[aria-current="page"]::after { background: #145d7f; }
.mast .nav-cta { border-color: #8da3ae; }
.mast .nav-cta:hover, .mast .nav-cta[aria-current="page"] { background: #eef4f5; }
.footer .brand { mix-blend-mode: screen; }
.footer .brand-lockup {
  width: 166px;
  filter: grayscale(1) contrast(1.8) invert(1);
}
@media (max-width:780px) {
 .mast .brand-lockup { width: 157px; }
 .mast-inner { min-height: 90px; }
 .mast .nav { background:#fff; border-top-color:#d8e1e4; }
 .mast .nav-link { border-bottom-color:#d8e1e4; }
}
.hero-actions { display: flex; gap: 27px; align-items: center; flex-wrap: wrap; margin-top: 29px; }
.hero-actions .cta { margin: 0; }
.hero-product { display: inline-flex; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px solid #ffffff86; font-size: 15px; }
.hero-product:hover { color: var(--gold); }
.hero h1.corporate-head { font-size: clamp(47px,5.2vw,84px); }
.product-panel, .product-hero { background: #0b202e; color: #f3f4e9; position: relative; overflow: hidden; isolation: isolate; }
.product-panel::before, .product-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at 78% 49%,#1c3b47 0%,transparent 56%); }
.product-hero .wrap, .product-panel-inner { display: grid; grid-template-columns: 1fr 1.04fr; min-height: 370px; align-items: center; gap: 5%; padding-block: 44px; }
.product-hero .wrap { min-height: clamp(430px,41vw,610px); }
.product-heading, .product-panel .product-heading { font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif; font-weight: 500; font-size: clamp(49px,6.1vw,88px); letter-spacing: -.055em; line-height: 1.05; margin: 15px 0 14px; }
.product-panel .product-heading { font-size: clamp(44px,4.3vw,66px); }
.prod-class { font-size: clamp(17px,1.6vw,24px); letter-spacing: .065em; line-height: 1.5; }
.prod-desc { color: #c9d7d5; max-width: 36em; margin-top: 15px; line-height: 1.85; font-size: 15px; }
.product-hero .cta, .product-panel .cta { margin-top: 24px; }
.product-art { position: relative; margin: 0; min-width: 0; }
.product-art img { position: relative; width: 100%; max-height: 430px; object-fit: contain; }
.product-art figcaption { font-size: 11px; color: #bfccc4; text-align: right; margin-top: 4px; letter-spacing: .06em; }
.product-panel .product-art img { max-height: 310px; }
.architecture-area { padding-block: clamp(55px,6.2vw,95px); }
.architecture-area h2 { font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif; font-weight: 500; letter-spacing: -.045em; margin-bottom: 5px; }
.arch-name { font-size: 18px; letter-spacing: .04em; margin-bottom: 15px; }
.flow { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 32px; margin-top: 36px; }
.flow-cell { position:relative; border-top: 2px solid #b7bfb4; padding: 15px 0 2px; }
.flow-cell:nth-child(2) { border-color: #987a4c; }
.flow-cell:not(:last-child)::after { content: "→"; position: absolute; right: -24px; top: 12px; color: #798b87; }
.flow-cell h3 { font-size: 16px; font-weight: 650; margin-bottom: 5px; }
.flow-cell p { font-size: 14px; line-height: 1.75; color: var(--muted); }
.model-area { background: #e9eee8; }
.model-grid { display: grid; grid-template-columns: .63fr 1.37fr; gap: clamp(28px,5.5vw,82px); }
.model-area h2 { font-size: clamp(31px,3vw,47px); }
.model-row { padding: 22px 0; border-top: 1px solid #bfcabf; }
.model-row:first-child { padding-top: 12px; border-top: 2px solid #37525b; }
.model-row:last-child { border-bottom: 1px solid #bfcabf; }
.model-name { font: 600 clamp(20px,2vw,28px)/1.5 var(--serif); }
.model-english { display:block; font-family: Arial, sans-serif; color: #5a6967; font-size: 12px; margin-top: 3px; line-height: 1.5; }
.model-row p { margin-top: 10px; line-height: 1.85; font-size:15px; color: var(--muted); }
.model-function { display:block; font-size:12px; font-weight: 700; letter-spacing: .08em; color: #80502d; margin-bottom: 4px; }
@media(max-width: 980px) and (min-width:781px) {
  .mast-inner { width: 92%; } .nav { gap: 18px; }
  .nav-link { font-size: 13px; } .nav-cta { padding-inline: 12px; }
}
@media(max-width:780px) {

 .model-grid { grid-template-columns: 1fr; } .flow { gap: 23px; } .flow-cell:not(:last-child)::after { right: -18px; }
}
@media(max-width:580px) {
 .hero h1.corporate-head { font-size: clamp(36px,9.1vw,50px); }
 .hero-actions { gap: 18px; margin-top: 22px; }
 .hero-product { font-size: 14px; }
 .product-hero .wrap, .product-panel-inner { grid-template-columns: 1fr; gap: 15px; padding-block: 46px 26px; }
 .product-art { justify-self: center; width: min(92%,340px); }
 .product-art img, .product-panel .product-art img { max-height: 220px; }
 .product-art figcaption { font-size: 10px; }
 .flow { grid-template-columns: 1fr; gap: 18px; margin-top: 25px; } .flow-cell:not(:last-child)::after { display: none; }
 .architecture-area h2 { font-size: clamp(28px,7.7vw,38px); }
}


.model-function { display: flex; align-items: center; gap: 10px; color: #625333; }
.model-function::before { content: ""; width: 22px; height: 2px; background: #a58c5d; }