:root {
  --navy: #071a4d;
  --navy-2: #0c286a;
  --ink: #111827;
  --gold: #d3a93e;
  --gold-light: #f2db8a;
  --cream: #f4f0e7;
  --paper: #fbfaf7;
  --muted: #667085;
  --line: #d8d2c5;
  --white: #fff;
  --shadow: 0 24px 80px rgba(7, 26, 77, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; line-height: 1.6; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 10px 16px; color: white; background: var(--navy); }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(8,27,81,.1); background: rgba(251,250,247,.9); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 48px; height: 48px; overflow: hidden; border-radius: 50%; background: white; box-shadow: 0 7px 25px rgba(7,26,77,.14); }
.brand-mark img { width: 88px; max-width: none; transform: translate(-20px, -11px); }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font: 800 14px/1 "Manrope", sans-serif; letter-spacing: .11em; color: var(--navy); }
.brand-copy small { margin-top: 6px; color: #6d5932; letter-spacing: .18em; }
.primary-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
.primary-nav > a:not(.nav-cta) { position: relative; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--gold); transition: width .25s ease; }
.primary-nav > a:hover::after { width: 100%; }
.nav-cta { padding: 12px 18px; color: white; background: var(--navy); }
.nav-toggle { display: none; border: 0; background: transparent; }

.hero { position: relative; overflow: hidden; padding: 82px 0 72px; background: radial-gradient(circle at 12% 10%, #fff 0, rgba(255,255,255,0) 34%), var(--cream); }
.hero::before { content: ""; position: absolute; left: 0; top: 0; width: 5px; height: 100%; background: var(--gold); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 64px; }
.eyebrow { margin: 0 0 18px; color: #947426; font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.light { color: var(--gold-light); }
h1, h2, h3 { margin-top: 0; font-family: "Manrope", sans-serif; line-height: 1.08; }
h1 { max-width: 700px; margin-bottom: 24px; color: var(--navy); font-size: clamp(48px, 6vw, 82px); letter-spacing: -.055em; }
h1 span { color: transparent; -webkit-text-stroke: 1.5px var(--navy); }
.hero-lead { max-width: 620px; margin: 0 0 34px; color: #4b5565; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { min-height: 52px; padding: 14px 22px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; border: 1px solid transparent; cursor: pointer; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--navy); box-shadow: 0 16px 40px rgba(7,26,77,.22); }
.button-primary:hover { background: var(--navy-2); }
.button-ghost { border-color: #bfb7a5; }
.button-gold { width: 100%; color: var(--navy); background: var(--gold-light); }
.hero-facts { margin: 52px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.hero-facts div { padding: 18px 18px 0 0; }
.hero-facts dt { color: #8a8172; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.hero-facts dd { margin: 4px 0 0; color: var(--navy); font-weight: 700; }

.hero-visual { position: relative; min-height: 570px; overflow: hidden; background: var(--navy); box-shadow: var(--shadow); }
.blueprint-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 38px 38px; }
.hero-logo-card { position: absolute; z-index: 3; top: 26px; left: 26px; width: 195px; padding: 10px; color: white; background: rgba(255,255,255,.08); backdrop-filter: blur(6px); }
.hero-logo-card img { aspect-ratio: 1.8; width: 100%; object-fit: cover; object-position: center 63%; }
.hero-logo-card p { margin: 12px 0 2px; font-size: 13px; font-weight: 700; }
.hero-logo-card span { display: block; color: #c7d0e6; font-size: 8px; letter-spacing: .06em; }
.bolt-assembly { position: absolute; width: 92%; right: -14%; bottom: -2%; filter: drop-shadow(0 35px 35px rgba(0,0,0,.25)); }
.spec-tag { position: absolute; z-index: 4; padding: 8px 12px; color: white; border: 1px solid rgba(255,255,255,.28); background: rgba(6,24,72,.82); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.spec-tag span { margin-right: 8px; color: var(--gold-light); }
.spec-tag-one { right: 26px; top: 120px; }.spec-tag-two { left: 34px; bottom: 145px; }.spec-tag-three { right: 54px; bottom: 38px; }

.trust-strip { color: white; background: var(--navy); }
.trust-grid { min-height: 92px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.trust-grid p { margin: 0; padding: 0 22px; border-right: 1px solid rgba(255,255,255,.16); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-align: center; text-transform: uppercase; }
.trust-grid p:last-child { border: 0; }

.section { padding: 112px 0; }
.section-heading { margin-bottom: 54px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.section-heading h2, .capability-copy h2, .about-copy h2, .rfq-intro h2 { margin-bottom: 0; color: var(--navy); font-size: clamp(38px, 5vw, 62px); letter-spacing: -.045em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 17px; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.product-card { position: relative; min-height: 420px; padding: 26px; overflow: hidden; background: var(--paper); transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { z-index: 2; transform: translateY(-8px); box-shadow: var(--shadow); }
.product-no { margin: 22px 0 12px; color: #9b7b2e; font-size: 12px; font-weight: 800; letter-spacing: .15em; }
.product-card h3 { margin-bottom: 14px; color: var(--navy); font-size: 23px; }
.product-card p:not(.product-no) { margin: 0; color: var(--muted); font-size: 14px; }
.product-card small { position: absolute; left: 26px; right: 26px; bottom: 25px; color: #7a6b49; font-weight: 700; }
.product-art { height: 150px; display: grid; place-items: center; background: #ede8dd; }
.product-art span { position: relative; display: block; background: linear-gradient(90deg, #857344, #f5e6b8 45%, #8f7945); box-shadow: 0 14px 30px rgba(55,45,22,.18); }
.bolt-art span { width: 34px; height: 110px; transform: rotate(38deg); }
.bolt-art span::before { content: ""; position: absolute; width: 70px; height: 58px; left: -18px; top: -28px; background: #d9bd72; clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%); }
.socket-art span { width: 38px; height: 110px; transform: rotate(-40deg); border-radius: 3px; }
.socket-art span::before { content:""; position:absolute; left:-10px; top:-25px; width:58px; height:38px; border-radius:7px 7px 2px 2px; background:#b9a060; box-shadow: inset 0 0 0 9px #d9c889; }
.stud-art span { width: 24px; height: 130px; transform: rotate(55deg); background: repeating-linear-gradient(0deg,#8c7849 0 5px,#ddcb97 5px 10px); }
.anchor-art span { width: 28px; height: 120px; transform: rotate(30deg); border-radius: 0 0 50px 50px; }
.anchor-art span::after { content:""; position:absolute; width:70px; height:28px; bottom:0; left:0; border-radius:0 0 28px 0; background:inherit; }
.nut-art span { width: 95px; height: 82px; background:#d7bd79; clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%); }
.nut-art span::after { content:""; position:absolute; width:36px; height:36px; inset:23px 29px; border-radius:50%; background:#ede8dd; box-shadow: inset 0 0 0 5px #7f6b3c; }
.washer-art span { width:100px; height:100px; border-radius:50%; background:#d7bd79; }
.washer-art span::after { content:""; position:absolute; width:45px; height:45px; inset:28px; border-radius:50%; background:#ede8dd; }
.rod-art span { width:24px; height:140px; transform:rotate(60deg); background:repeating-linear-gradient(0deg,#806e46 0 4px,#e4d39d 4px 8px); }
.product-card-featured { display: flex; flex-direction: column; justify-content: flex-end; color: white; background: var(--navy); }
.product-card-featured .product-no, .product-card-featured h3 { color: var(--gold-light); }
.product-card-featured p:not(.product-no) { color: #c7d0e6; }
.product-card-featured a { margin-top: 28px; padding-top: 20px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.18); color: white; font-weight: 700; }
.standards-panel { margin-top: 44px; padding: 34px; display: grid; grid-template-columns: .7fr 1.3fr; gap: 48px; border: 1px solid var(--line); background: white; }
.standards-panel h3 { margin: 0; color: var(--navy); font-size: 28px; }
.standard-tags { display: flex; flex-wrap: wrap; gap: 10px; align-content: start; }
.standard-tags span { padding: 8px 12px; border: 1px solid #d8d2c5; color: #5e543f; background: #f8f5ee; font-size: 12px; font-weight: 700; }

.capability-section { color: white; background: var(--navy); }
.capability-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 105px; }
.capability-copy { position: sticky; top: 130px; align-self: start; }
.capability-copy h2 { color: white; }
.capability-copy > p:not(.eyebrow) { color: #b7c1db; font-size: 17px; }
.text-link { margin-top: 24px; display: inline-flex; gap: 18px; color: var(--gold-light); font-weight: 700; }
.capability-list { border-top: 1px solid rgba(255,255,255,.16); }
.capability-list article { padding: 34px 0; display: grid; grid-template-columns: 65px 1fr; border-bottom: 1px solid rgba(255,255,255,.16); }
.capability-list article > span { color: var(--gold-light); font: 700 12px "Manrope"; }
.capability-list h3 { margin-bottom: 9px; font-size: 23px; }
.capability-list p { margin: 0; color: #b7c1db; }

.quality { background: white; }
.quality-flow { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.quality-flow article { min-height: 270px; padding: 32px; border-right: 1px solid var(--line); }
.quality-flow article:last-child { border: 0; }
.quality-flow span { display: inline-grid; width: 44px; height: 44px; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: #8e6c1b; font-weight: 800; }
.quality-flow h3 { margin: 52px 0 12px; color: var(--navy); font-size: 24px; }
.quality-flow p { margin: 0; color: var(--muted); }

.about { background: var(--cream); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 90px; }
.about-visual { position: relative; padding: 34px; background: var(--navy); }
.about-visual img { width: 100%; }
.about-caption { padding: 22px 4px 2px; display: flex; justify-content: space-between; color: white; }
.about-caption span { color: #aeb9d5; }
.about-copy > p:not(.eyebrow):not(.company-cn) { color: var(--muted); font-size: 17px; }
.company-cn { color: #a5832d; font: 700 20px "Manrope", sans-serif; letter-spacing: .1em; }
.about-points { margin-top: 34px; border-top: 1px solid var(--line); }
.about-points div { padding: 18px 0; display: grid; grid-template-columns: 150px 1fr; border-bottom: 1px solid var(--line); }
.about-points strong { color: var(--navy); }
.about-points span { color: var(--muted); }

.rfq-section { color: white; background: linear-gradient(135deg, #071a4d 0%, #0d2c70 100%); }
.rfq-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; }
.rfq-intro h2 { color: white; }
.rfq-intro > p:not(.eyebrow) { color: #bac4dc; }
.rfq-intro ul { margin: 30px 0 0; padding: 0; list-style: none; }
.rfq-intro li { padding: 12px 0 12px 28px; position: relative; border-bottom: 1px solid rgba(255,255,255,.12); }
.rfq-intro li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-light); }
.rfq-form { padding: 36px; background: white; color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.rfq-form label { margin-bottom: 18px; display: grid; gap: 8px; color: var(--navy); font-size: 13px; font-weight: 700; }
.rfq-form input, .rfq-form textarea { width: 100%; border: 1px solid #d5d9e2; border-radius: 0; padding: 14px; color: var(--ink); background: #fbfcff; outline: 0; resize: vertical; }
.rfq-form input:focus, .rfq-form textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(211,169,62,.18); }
.form-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
.rfq-result { margin-top: 22px; padding: 18px; background: #f2f4f8; }
.rfq-result > div { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.rfq-result button { border: 0; padding: 7px 11px; color: white; background: var(--navy); cursor: pointer; }
.rfq-result pre { margin: 14px 0 0; white-space: pre-wrap; font: 13px/1.6 "DM Sans", sans-serif; }

.site-footer { padding: 70px 0 28px; color: #d7dded; background: #041136; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 70px; }
.footer-brand { display: flex; gap: 18px; align-items: flex-start; }
.footer-brand img { width: 90px; }
.footer-brand div { display: grid; }
.footer-brand strong { color: white; }
.footer-brand span { max-width: 330px; margin-top: 8px; color: #9da9c6; font-size: 13px; }
.footer-grid > div:not(.footer-brand) { display: grid; gap: 10px; align-content: start; }
.footer-grid > div > strong { margin-bottom: 8px; color: var(--gold-light); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid a { color: #aeb8cf; font-size: 14px; }
.footer-bottom { margin-top: 55px; padding-top: 24px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); color: #8896b6; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--delay, 0ms); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .nav-toggle { width: 42px; height: 42px; padding: 10px; display: grid; align-content: center; gap: 5px; }
  .nav-toggle span:not(.sr-only) { height: 2px; background: var(--navy); }
  .primary-nav { position: fixed; inset: 78px 0 auto; padding: 28px 20px 36px; display: none; align-items: stretch; flex-direction: column; gap: 20px; background: var(--paper); box-shadow: 0 25px 45px rgba(7,26,77,.15); }
  .primary-nav.open { display: flex; }
  .nav-cta { text-align: center; }
  .hero-grid, .capability-grid, .about-grid, .rfq-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 520px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-copy { position: static; }
  .quality-flow { grid-template-columns: repeat(2, 1fr); }
  .standards-panel { grid-template-columns: 1fr; }
  .quality-flow article:nth-child(2) { border-right: 0; }
  .quality-flow article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 700px) {
  .container { width: min(100% - 28px, 1180px); }
  .brand-copy strong { font-size: 11px; }.brand-copy small { font-size: 10px; }
  .hero { padding-top: 54px; }.hero-grid { gap: 46px; }
  .hero-actions { display: grid; }.hero-facts { grid-template-columns: 1fr; }.hero-facts div { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .hero-visual { min-height: 420px; }.hero-logo-card { width: 160px; }.bolt-assembly { width: 108%; right: -25%; }
  .trust-grid { grid-template-columns: 1fr 1fr; padding: 14px 0; }.trust-grid p { padding: 12px 5px; border: 0; font-size: 10px; }
  .section { padding: 78px 0; }.section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 36px; }
  .product-grid, .quality-flow { grid-template-columns: 1fr; }.product-card { min-height: 390px; }.quality-flow article { border-right: 0; border-bottom: 1px solid var(--line); }
  .quality-flow article:nth-child(3) { border-bottom: 1px solid var(--line); }
  .about-grid, .rfq-grid { gap: 46px; }.about-visual { padding: 20px; }.about-caption { display: grid; gap: 4px; }
  .about-points div { grid-template-columns: 1fr; gap: 4px; }
  .form-row { grid-template-columns: 1fr; }.rfq-form { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }.footer-brand { grid-column: 1 / -1; }.footer-bottom { gap: 16px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}