/* CenTec brand website. Tokens from the CenTeC Design System (colors, type, effects). */
:root {
  --precision-navy: #04265B; --deep-ink: #011F51; --signal-blue: #2AABEE; --steel-blue: #2E5A8C; --sky-blue: #229ED9;
  --alert-red: #A23B36; --ivory: #F9FAFB; --cloud-gray: #E7ECF3; --cool-gray: #9AA3B2; --slate: #5A6577; --white: #FFFFFF;
  --border-hairline: rgba(4,38,91,.12); --border-on-navy: rgba(255,255,255,.18);
  --shadow-sm: 0 2px 8px rgba(4,38,91,.08); --shadow-md: 0 8px 24px rgba(4,38,91,.10); --shadow-navy: 0 18px 48px rgba(1,31,81,.35);
  --bg-hero: linear-gradient(180deg,#FFFFFF 0%,#EEF3F9 55%,#E4ECF5 100%); --bg-navy: linear-gradient(150deg,#04265B 0%,#011F51 100%);
  --honeycomb: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cg fill='none' stroke='%2304265B' stroke-opacity='0.06' stroke-width='1.4'%3E%3Cpath d='M28 0 L56 16 L56 50 L28 66 L0 50 L0 16 Z'/%3E%3Cpath d='M28 66 L56 82 L56 116 L28 132 L0 116 L0 82 Z'/%3E%3C/g%3E%3C/svg%3E");
  --font-display: 'Oswald','Arial Narrow',sans-serif; --font-text: 'Jost','Century Gothic',sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1); --radius: 10px; --radius-sm: 6px;
  --wrap: 1180px; --gutter: max(20px, env(safe-area-inset-left, 0px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ivory); color: var(--slate); font-family: var(--font-text); font-weight: 300; font-size: 17px; line-height: 1.78; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sky-blue); text-decoration: none; transition: color .14s var(--ease); }
a:hover { color: var(--steel-blue); }
h1, h2, h3, h4 { font-family: var(--font-display); text-transform: uppercase; color: var(--precision-navy); line-height: 1.1; letter-spacing: .02em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 500; }
h3 { font-size: 1.25rem; font-weight: 500; }
h4 { font-size: .8rem; letter-spacing: .28em; font-weight: 500; color: var(--cool-gray); }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--precision-navy); color: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
.eyebrow { display: block; font-family: var(--font-text); font-weight: 500; font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; color: var(--cool-gray); margin-bottom: 12px; }
.lead { font-size: 1.125rem; max-width: 62ch; }
.muted { color: var(--cool-gray); } .small { font-size: .9rem; line-height: 1.55; } .mono { font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.link { font-weight: 500; color: var(--precision-navy); border-bottom: 1px solid var(--border-strong, rgba(4,38,91,.28)); }
.link:hover { color: var(--sky-blue); }

/* notices */
.ruo-bar { background: var(--alert-red); color: #fff; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; text-align: center; padding: 7px var(--gutter); }
.warning { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; color: var(--alert-red); margin-top: 18px; }
.warning-block { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .12em; color: var(--alert-red); border: 1px solid rgba(162,59,54,.3); background: rgba(162,59,54,.06); padding: 12px 16px; border-radius: var(--radius-sm); }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(249,250,251,.92); backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid var(--border-hairline); }
.header-row { display: flex; align-items: center; gap: 28px; min-height: 76px; }
.brand img { width: 110px; height: auto; }
.brand img[src*="synteq"] { width: 200px; }
.nav { display: flex; gap: 26px; margin-left: 8px; }
.nav a { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .14em; font-size: .82rem; color: var(--precision-navy); padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a.is-current { border-color: var(--signal-blue); }
.header-tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.lang-wrap select { font: inherit; font-weight: 500; font-size: .85rem; letter-spacing: .08em; color: var(--precision-navy); background: #fff; border: 1px solid var(--border-hairline); border-radius: var(--radius-sm); padding: 7px 8px; }
.burger { display: none; background: none; border: 1px solid var(--border-hairline); border-radius: var(--radius-sm); width: 42px; height: 42px; padding: 10px; flex-direction: column; justify-content: space-between; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--precision-navy); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .14em; font-size: .82rem; font-weight: 500; padding: 12px 20px; border-radius: 999px; border: 1px solid transparent; transition: background .18s var(--ease), color .18s var(--ease), transform .14s var(--ease), box-shadow .18s var(--ease); white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--precision-navy); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--deep-ink); color: #fff; box-shadow: var(--shadow-md); }
.btn-accent { background: var(--signal-blue); color: #fff; }
.btn-accent:hover { background: var(--sky-blue); color: #fff; }
.btn-ghost { background: transparent; color: var(--precision-navy); border-color: rgba(4,38,91,.28); }
.btn-ghost:hover { border-color: var(--precision-navy); color: var(--precision-navy); }
.btn-lg { padding: 15px 26px; font-size: .9rem; }
.tg-ico { width: 16px; height: 16px; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.04 15.3l-.37 5.2c.53 0 .76-.23 1.03-.5l2.48-2.37 5.14 3.76c.94.52 1.61.25 1.86-.87l3.37-15.8c.3-1.4-.5-1.95-1.42-1.6L1.9 10.6c-1.36.53-1.34 1.29-.23 1.63l5.07 1.58L18.5 6.4c.55-.36 1.06-.16.64.2z'/%3E%3C/svg%3E") center/contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.04 15.3l-.37 5.2c.53 0 .76-.23 1.03-.5l2.48-2.37 5.14 3.76c.94.52 1.61.25 1.86-.87l3.37-15.8c.3-1.4-.5-1.95-1.42-1.6L1.9 10.6c-1.36.53-1.34 1.29-.23 1.63l5.07 1.58L18.5 6.4c.55-.36 1.06-.16.64.2z'/%3E%3C/svg%3E") center/contain no-repeat; }

/* sections */
.section { padding: 72px 0; }
.section-sunken { background: #fff; border-top: 1px solid var(--border-hairline); border-bottom: 1px solid var(--border-hairline); }
.section-head { margin-bottom: 36px; }
.row-between { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.page-head { background: var(--bg-hero); padding: 64px 0 44px; position: relative; }
.page-head::after { content: ""; position: absolute; inset: 0; background-image: var(--honeycomb); background-size: 56px 100px; opacity: .5; pointer-events: none; }
.page-head .wrap { position: relative; z-index: 1; }
.page-head-sm { padding: 18px 0; }
.breadcrumbs { display: flex; gap: 10px; font-size: .85rem; color: var(--cool-gray); flex-wrap: wrap; }
.breadcrumbs a { color: var(--slate); }

/* hero */
.hero { background: var(--bg-hero); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: var(--honeycomb); background-size: 56px 100px; opacity: .6; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.02; margin-bottom: 6px; }
.h-sub { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .06em; font-weight: 400; font-size: clamp(1.1rem, 2.2vw, 1.5rem); color: var(--steel-blue); margin-bottom: 20px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.hero-img, .tall-img, .wide-img, .feature-img { border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--border-hairline); width: 100%; object-fit: cover; }
.hero-img { aspect-ratio: 16/10; }

/* trust band */
.band-navy { background: var(--bg-navy); color: #fff; padding: 56px 0; }
.band-title { color: #fff; margin-bottom: 28px; }
.trust-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.trust-item { border: 1px solid var(--border-on-navy); border-radius: var(--radius-sm); padding: 18px 16px; min-width: 0; }
.trust-k { display: block; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .06em; font-size: 1.15rem; margin-bottom: 4px; color: #fff; }
.trust-v { display: block; font-size: .9rem; line-height: 1.5; color: rgba(255,255,255,.68); }

.kn-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.kn-chips { display: flex; flex-wrap: wrap; gap: 8px; align-content: start; }
.kn-chip { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .1em; font-size: .78rem; color: #fff; border: 1px solid var(--border-on-navy); border-radius: 6px; padding: 10px 14px; background: rgba(255,255,255,.04); }
.kn-chip:hover { background: #fff; color: var(--precision-navy); }
.kn-chips-note { flex-basis: 100%; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-top: 6px; }
.card-research { display: inline-block; margin-left: 8px; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sky-blue); font-family: var(--font-display); }
.research { margin-top: 28px; border-top: 1px solid var(--border-hairline); padding-top: 18px; }
.research h3 { font-size: .8rem; letter-spacing: .2em; color: var(--cool-gray); font-weight: 500; }
.research-links { display: flex; flex-wrap: wrap; gap: 8px; }
.research-links a { display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgba(4,38,91,.28); border-radius: 6px; padding: 9px 13px; font-size: .9rem; color: var(--precision-navy); font-weight: 400; }
.research-links a:hover { background: var(--precision-navy); color: #fff; }
.hex-sm { width: 10px; height: 12px; background: currentColor; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); opacity: .8; }
.eyebrow-on-navy { color: rgba(255,255,255,.6); }
.on-navy { color: rgba(255,255,255,.8); }
.btn-light { background: #fff; color: var(--precision-navy); } .btn-light:hover { background: var(--cloud-gray); color: var(--precision-navy); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); } .btn-outline-light:hover { border-color: #fff; color: #fff; }
/* categories */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cat-tile { position: relative; display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16/9; background: var(--cloud-gray); border: 1px solid var(--border-hairline); box-shadow: var(--shadow-sm); }
.cat-img { width: 100%; height: 100%; object-fit: cover; transition: transform .36s var(--ease); }
.cat-tile:hover .cat-img { transform: scale(1.03); }
.cat-name, .cat-count { position: absolute; bottom: 12px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: .12em; font-size: .82rem; background: rgba(4,38,91,.88); color: #fff; padding: 6px 12px; border-radius: 999px; }
.cat-name { left: 12px; } .cat-count { right: 12px; background: rgba(255,255,255,.9); color: var(--precision-navy); font-variant-numeric: tabular-nums; }

/* products */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-cell { min-width: 0; } .product-cell[hidden] { display: none; }
.card { background: #fff; border: 1px solid var(--border-hairline); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.product-card { display: flex; flex-direction: column; color: inherit; overflow: hidden; transition: box-shadow .22s var(--ease), transform .22s var(--ease); min-width: 0; }
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); color: inherit; }
.product-img { aspect-ratio: 1; background: #fff; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--border-hairline); }
.product-img img { width: 100%; height: 100%; object-fit: contain; }
.product-body { padding: 18px 18px 20px; }
.product-body h3 { margin-bottom: 6px; font-size: 1.1rem; }
.product-body .eyebrow { margin-bottom: 6px; font-size: .66rem; }
.sizes { font-size: .85rem; color: var(--steel-blue); font-weight: 500; margin: 0; }
.price-k { display: block; font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--cool-gray); font-weight: 500; margin-bottom: 2px; }
.prices { display: grid; gap: 4px; } .price-row { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--border-hairline); padding-bottom: 3px; } .price-row:last-child { border: 0; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.chip { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .12em; font-size: .74rem; padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(4,38,91,.28); background: #fff; color: var(--precision-navy); cursor: pointer; }
.chip.is-active, .chip:hover { background: var(--precision-navy); color: #fff; border-color: var(--precision-navy); }
.product-detail { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.product-hero-img { background: #fff; border: 1px solid var(--border-hairline); border-radius: var(--radius); box-shadow: var(--shadow-md); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; padding: 24px; }
.product-hero-img img { width: 100%; height: 100%; object-fit: contain; }
.product-info h1 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.specs { display: grid; gap: 0; border-top: 1px solid var(--border-hairline); margin: 20px 0 28px; }
.spec { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border-hairline); font-size: .95rem; }
.spec-k { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .1em; font-size: .74rem; color: var(--cool-gray); padding-top: 3px; }
.spec-v { color: var(--precision-navy); font-weight: 400; min-width: 0; }

/* how / steps */
.how-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.steps { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 18px; }
.steps li { display: grid; grid-template-columns: 40px 1fr; gap: 16px; align-items: start; }
.steps h3 { font-size: 1.05rem; margin-bottom: 2px; } .steps p { margin: 0; font-size: .98rem; }
.step-n { width: 40px; height: 44px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; color: #fff; background: var(--precision-navy); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.tall-img { aspect-ratio: 3/4; }

/* features (quality) */
.features { display: grid; gap: 56px; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.feature-rev .feature-media { order: 2; }
.feature-img { aspect-ratio: 4/3; }
.feature-text p { max-width: 56ch; }

/* about */
.wide-img { aspect-ratio: 21/9; }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card { background: #fff; border: 1px solid var(--border-hairline); border-radius: var(--radius); padding: 24px 22px; min-width: 0; }
.value-card p { font-size: .95rem; margin: 0; }
.hex { display: block; width: 26px; height: 30px; margin-bottom: 14px; background: linear-gradient(var(--precision-navy), var(--precision-navy)) padding-box; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); position: relative; }
.hex::after { content: ""; position: absolute; inset: 1.5px; background: #fff; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }

/* contact */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card { padding: 26px 24px; min-width: 0; }
.contact-card p { font-size: .98rem; }

/* legal */
.legal { max-width: 76ch; }
.legal article { padding: 28px 0; border-bottom: 1px solid var(--border-hairline); }
.legal h2 { font-size: 1.4rem; }

/* footer */
.site-footer { background: var(--bg-navy); color: rgba(255,255,255,.72); margin-top: 48px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-top: 56px; padding-bottom: 40px; }
.footer-grid h4 { color: rgba(255,255,255,.55); margin-bottom: 14px; }
.footer-grid a { display: block; color: #fff; margin-bottom: 8px; font-size: .95rem; }
.footer-grid a:hover { color: var(--signal-blue); }
.footer-brand img { width: 120px; margin-bottom: 10px; }
.claim { font-family: var(--font-text); font-weight: 300; letter-spacing: .34em; text-transform: uppercase; font-size: .78rem; color: #fff; }
.footer-ruo { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; color: #E4D2A8; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 18px; padding-bottom: calc(22px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--border-on-navy); font-size: .82rem; }
.values { letter-spacing: .22em; font-size: .7rem; text-transform: uppercase; }

/* responsive */
@media (max-width: 1000px) {
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid, .product-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: 48px 0; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border-hairline); flex-direction: column; gap: 0; padding: 8px var(--gutter) 12px; margin: 0; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border-hairline); }
  .burger { display: flex; }
  .header-tools .btn span:last-child { display: none; } .header-tools .btn { padding: 11px 13px; }
  .hero-grid, .how-grid, .product-detail, .feature, .kn-grid { grid-template-columns: 1fr; gap: 28px; }
  .feature-rev .feature-media { order: 0; }
  .hero-grid { padding-top: 44px; padding-bottom: 44px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .cat-grid, .product-grid, .contact-grid, .value-grid, .footer-grid { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 1fr; gap: 2px; }
  .wide-img { aspect-ratio: 16/10; } .tall-img { aspect-ratio: 4/3; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }
:focus-visible { outline: 3px solid rgba(42,171,238,.6); outline-offset: 2px; }

/* ===================== SYNTEQ skin: Midnight Navy · Champagne Gold · Ivory (dark pages) ===================== */
:root {
  --navy: #16233C; --ink: #0B1424; --gold: #C6A968; --gold-deep: #9A7C46; --gold-light: #E4D4A4; --ivory-s: #F5F2EA;
  --gold-grad: linear-gradient(135deg, #E4D4A4, #C6A968 50%, #9A7C46);
  --page-s: #101D33; --card-s: #0B1424; --line-s: rgba(198,169,104,.35); --line-soft: rgba(198,169,104,.18);
  --bg-hero: radial-gradient(120% 90% at 50% 0%, #1B2C48, #101D33 45%, #0A1322); --bg-navy: linear-gradient(160deg, #17253E, #0C1526);
  --honeycomb: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cg fill='none' stroke='%23C6A968' stroke-opacity='0.08' stroke-width='1.4'%3E%3Cpath d='M28 0 L56 16 L56 50 L28 66 L0 50 L0 16 Z'/%3E%3Cpath d='M28 66 L56 82 L56 116 L28 132 L0 116 L0 82 Z'/%3E%3C/g%3E%3C/svg%3E");
  --ivory: var(--page-s); --white: var(--card-s); --cloud-gray: #17253E; --precision-navy: var(--ivory-s); --deep-ink: #fff; --slate: #C9CFDA; --cool-gray: #9AA3B2;
  --signal-blue: var(--gold); --sky-blue: var(--gold); --steel-blue: var(--gold-light);
  --border-hairline: var(--line-soft); --shadow-sm: 0 2px 10px rgba(0,0,0,.35); --shadow-md: 0 10px 30px rgba(0,0,0,.45);
}
body { background: var(--page-s); color: var(--slate); }
.site-header { background: rgba(11,20,36,.92); border-bottom-color: var(--line-s); }
.nav a { color: var(--ivory-s); } .nav a:hover, .nav a.is-current { border-color: var(--gold); }
.nav.is-open { background: var(--ink); border-color: var(--line-s); } .nav.is-open a { border-color: var(--line-soft); }
.lang-wrap select { background: var(--ink); color: var(--ivory-s); border-color: var(--line-s); color-scheme: dark; }
.burger { border-color: var(--line-s); } .burger span { background: var(--gold); }
.btn-primary, .btn-accent, .btn-light { background: var(--gold-grad); color: var(--ink); box-shadow: 0 6px 20px rgba(198,169,104,.18); }
.btn-primary:hover, .btn-accent:hover, .btn-light:hover { background: var(--gold-light); color: var(--ink); }
.btn-ghost, .btn-outline-light { color: var(--ivory-s); border-color: var(--line-s); } .btn-ghost:hover, .btn-outline-light:hover { border-color: var(--gold); color: var(--gold-light); }
.link { color: var(--gold-light); border-bottom-color: var(--line-s); } .link:hover { color: var(--gold); }
.h-sub { color: var(--gold); }
.hero::before, .page-head::after { opacity: 1; }
.hero-img, .tall-img, .wide-img, .feature-img, .product-hero-img, .card, .cat-tile, .value-card, .trust-item { border-color: var(--line-s); }
.band-navy { background: var(--bg-navy); border-top: 1px solid var(--line-s); border-bottom: 1px solid var(--line-s); }
.trust-item { border-color: var(--line-s); } .trust-k { color: var(--gold-light); }
.cat-name { background: rgba(11,20,36,.9); color: var(--gold-light); border: 1px solid var(--line-s); } .cat-count { background: var(--gold); color: var(--ink); }
.section-sunken { background: var(--ink); border-color: var(--line-s); }
.product-card { background: var(--card-s); } .product-img { background: #fff; border-bottom-color: var(--line-s); }
.product-hero-img { background: #fff; }
.sizes { color: var(--gold-light); } .card-research { color: var(--gold); }
.chip { background: transparent; color: var(--ivory-s); border-color: var(--line-s); } .chip.is-active, .chip:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.spec { border-bottom-color: var(--line-soft); } .specs { border-top-color: var(--line-soft); } .spec-v { color: var(--ivory-s); } .price-row { border-color: var(--line-soft); }
.step-n { background: var(--gold-grad); color: var(--ink); }
.hex { background: var(--gold); } .hex::after { background: var(--card-s); }
.research { border-top-color: var(--line-soft); } .research-links a { color: var(--ivory-s); border-color: var(--line-s); } .research-links a:hover { background: var(--gold); color: var(--ink); }
.kn-chip { border-color: var(--line-s); color: var(--gold-light); } .kn-chip:hover { background: var(--gold); color: var(--ink); }
.breadcrumbs a { color: var(--slate); }
.warning-block { background: rgba(162,59,54,.12); }
.site-footer { background: #0A1322; border-top: 1px solid var(--line-s); } .footer-grid a:hover { color: var(--gold); } .footer-ruo { color: var(--gold-light); } .claim { color: var(--gold-light); }
.footer-bottom { border-top-color: var(--line-soft); }
.legal article { border-bottom-color: var(--line-soft); }
:focus-visible { outline-color: rgba(198,169,104,.7); }

/* product search */
.search-bar { margin-bottom: 16px; }
.search-bar input { width: 100%; max-width: 420px; padding: 11px 14px; font: inherit; font-size: 15px; color: inherit; background: var(--white, #fff); border: 1px solid var(--border-hairline, rgba(0,0,0,.15)); border-radius: var(--radius-sm, 6px); outline: none; }
.search-bar input:focus { border-color: var(--gold, var(--signal-blue, #333)); box-shadow: 0 0 0 3px rgba(200,160,60,.18); }
.no-hits { color: var(--slate, #666); padding: 24px 0; }
.price-row .alt { color: var(--slate, #666); font-size: .9em; }