/* =====================================================================
   Precision Parts — Industrial Catalog Design System
   Navy #1B2A4A · Steel #6B7A8F · Safety Orange #E86A33 · Off-white #F5F6F8
   Headings: Inter Bold / Roboto Condensed · Body: Inter Regular
   ===================================================================== */

:root{
  --navy:#1B2A4A;
  --navy-2:#22335A;
  --steel:#6B7A8F;
  --steel-2:#8A98AA;
  --orange:#E86A33;
  --orange-d:#cf5a28;
  --bg:#F5F6F8;
  --white:#FFFFFF;
  --ink:#1B2A4A;
  --line:#E2E5EA;
  --line-2:#D2D7DF;
  --muted:#6B7A8F;
  --soft:#EEF1F4;
  --radius:4px;
  --shadow:0 1px 2px rgba(27,42,74,.06),0 4px 16px rgba(27,42,74,.06);
  --maxw:1280px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Roboto',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:15px;
}
h1,h2,h3,h4{font-family:'Inter','Roboto Condensed',sans-serif;font-weight:700;line-height:1.15;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.condensed{font-family:'Roboto Condensed','Inter',sans-serif}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:14px;
  padding:13px 24px;border-radius:var(--radius);
  border:1.5px solid transparent;cursor:pointer;
  transition:all .15s ease;white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-d);border-color:var(--orange-d)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-dark:hover{background:var(--navy-2)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--steel)}
.btn-sm{padding:9px 16px;font-size:13px}

/* ---------- Top nav ---------- */
.nav{background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-in{display:flex;align-items:center;gap:36px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.02em}
.brand .mark{width:26px;height:26px;border:2px solid var(--orange);border-radius:3px;position:relative}
.brand .mark::after{content:"";position:absolute;inset:6px;background:var(--orange);border-radius:1px}
.nav-links{display:flex;gap:26px;margin-left:8px;font-size:14px;color:rgba(255,255,255,.82)}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:var(--orange)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-phone{font-size:13px;color:rgba(255,255,255,.7)}
.nav-phone b{color:#fff;font-weight:600}

/* ---------- HERO ---------- */
.hero{
  position:relative;background:var(--navy);color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(ellipse at 30% 40%,#000 30%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:0;bottom:0;width:480px;z-index:1;
  background:radial-gradient(circle at 70% 30%,rgba(232,106,51,.22),transparent 60%);
}
/* switchable hero background image */
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;opacity:.9;transition:background-image .45s ease,opacity .45s ease}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(27,42,74,.82) 0%,rgba(27,42,74,.58) 38%,rgba(27,42,74,.28) 100%)}
.hero-sw{position:absolute;left:0;right:0;bottom:22px;z-index:3;display:flex;justify-content:center;gap:10px}
.hero-sw .dot{width:9px;height:9px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:transparent;cursor:pointer;padding:0;transition:all .25s}
.hero-sw .dot.active{background:var(--orange);border-color:var(--orange);width:24px;border-radius:5px}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:88px 0 96px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:600;margin-bottom:20px}
.hero .eyebrow::before{content:"";width:26px;height:2px;background:var(--orange)}
.hero h1{font-size:52px;line-height:1.05;margin-bottom:22px;font-weight:800}
.hero p.sub{font-size:17px;color:rgba(255,255,255,.78);max-width:480px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{
  background:linear-gradient(160deg,#243456,#1B2A4A);
  border:1px solid rgba(255,255,255,.1);border-radius:8px;
  padding:26px;box-shadow:var(--shadow);position:relative;
}
.hero-visual .tag{position:absolute;top:18px;right:18px;background:var(--orange);color:#fff;font-size:11px;font-weight:600;padding:4px 10px;border-radius:3px;letter-spacing:.04em}
.spec-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:13.5px}
.spec-row span:first-child{color:rgba(255,255,255,.6)}
.spec-row span:last-child{color:#fff;font-weight:600}
.hero-visual h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.55);margin-bottom:6px}

/* ---------- Section heading ---------- */
.section{padding:72px 0}
.sec-head{margin-bottom:38px}
.sec-head .kicker{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700;margin-bottom:10px;display:block}
.sec-head h2{font-size:34px;margin-bottom:8px}
.sec-head p{color:var(--muted);max-width:560px}

/* ---------- Category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:transform .15s,border-color .15s,box-shadow .15s}
.cat-card:hover{transform:translateY(-3px);border-color:var(--steel);box-shadow:var(--shadow)}
.cat-img{height:200px;background:var(--soft);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.cat-body{padding:20px 22px 24px}
.cat-body .idx{font-size:12px;color:var(--steel);font-weight:600;letter-spacing:.08em}
.cat-body h3{font-size:20px;margin:4px 0 8px}
.cat-body p{color:var(--muted);font-size:14px;margin-bottom:14px}
.cat-link{color:var(--orange);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.cat-link:hover{gap:10px}

/* ---------- Trust bar ---------- */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-in{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:0;padding:26px 0}
.trust-item{display:flex;align-items:center;gap:10px;padding:0 30px;font-weight:600;font-size:14.5px;color:var(--navy)}
.trust-item .dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
.trust-item+.trust-item{border-left:1px solid var(--line)}

/* ---------- CTA strip ---------- */
.cta-strip{background:#2C3852;color:#fff;text-align:center;padding:54px 24px}
.cta-strip h2{font-size:30px;margin-bottom:10px}
.cta-strip p{color:rgba(255,255,255,.72);margin-bottom:26px;font-size:16px}

/* ---------- Footer ---------- */
.footer{background:var(--navy);color:rgba(255,255,255,.75);padding:54px 0 30px;font-size:14px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer h5{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}
.footer a{display:block;padding:5px 0;color:rgba(255,255,255,.7)}
.footer a:hover{color:#fff}
.footer .brand{margin-bottom:14px}
.footer .copy{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:rgba(255,255,255,.5);font-size:13px}

/* ---------- Placeholder media ---------- */
.ph{display:flex;align-items:center;justify-content:center;background:var(--soft);color:var(--steel);font-size:12px;font-weight:600;letter-spacing:.04em;position:relative;overflow:hidden}
.ph.line{background:repeating-linear-gradient(135deg,#eef1f4 0 12px,#e7ebf0 12px 24px)}
.ph-navy{background:linear-gradient(160deg,#243456,#1B2A4A);color:rgba(255,255,255,.85)}
svg.ill{width:64%;height:auto}

/* Real photography */
.cat-img img{width:100%;height:100%;object-fit:cover;display:block}
.prod-ph img{width:100%;height:100%;object-fit:contain;display:block}
.gallery .main-img img{width:100%;height:100%;object-fit:contain;display:block}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.factory-strip .ph{background-size:cover;background-position:center;background-color:#22335A}
.about-hero .ph-navy{background-size:cover;background-position:center}

/* ============================================================
   PRODUCT LISTING
   ============================================================ */
.page-head{padding:30px 0 8px}
.page-head h1{font-size:30px}
.page-head .crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.page-head .crumb a:hover{color:var(--orange)}

.layout{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start;padding-bottom:72px}

/* Sidebar */
.sidebar{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px;position:sticky;top:18px}
.sidebar .search{position:relative;margin-bottom:22px}
.sidebar .search input{width:100%;padding:11px 14px 11px 38px;border:1px solid var(--line-2);border-radius:var(--radius);font-size:14px;font-family:inherit}
.sidebar .search::before{content:"⌕";position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--steel);font-size:17px}
.filter-group{margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.filter-group:last-of-type{border-bottom:none}
.filter-group h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--steel);margin-bottom:14px}
.check{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:14px;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--orange);cursor:pointer}
.check .cnt{margin-left:auto;color:var(--steel);font-size:12.5px}
.filter-actions{display:flex;flex-direction:column;gap:10px}
.filter-actions .reset{text-align:center;color:var(--steel);font-size:13px;font-weight:600;padding:8px}
.filter-actions .reset:hover{color:var(--orange)}

/* Grid top bar */
.grid-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.grid-bar .count{font-size:14.5px;color:var(--navy);font-weight:600}
.grid-bar .count b{color:var(--orange)}
.sort{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.sort select{padding:9px 12px;border:1px solid var(--line-2);border-radius:var(--radius);font-family:inherit;font-size:14px;color:var(--navy);background:#fff}

.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:border-color .15s,box-shadow .15s,transform .15s}
.prod-card:hover{border-color:var(--steel);box-shadow:var(--shadow);transform:translateY(-2px)}
.prod-ph{height:180px;background:var(--soft);display:flex;align-items:center;justify-content:center}
.prod-body{padding:16px 18px 18px}
.prod-body .model{font-size:17px;font-weight:700}
.prod-body .spec{font-size:13px;color:var(--muted);margin:4px 0 12px}
.prod-body .pd-link{color:var(--orange);font-weight:600;font-size:13.5px}
.prod-body .pd-link:hover{gap:4px}

.load-more{text-align:center;margin-top:36px}

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:36px 0}
.gallery .main-img{height:420px;background:var(--soft);border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.thumb{height:90px;background:var(--soft);border:1px solid var(--line);border-radius:5px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.thumb.active{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange)}

.info-block .model-tag{font-size:13px;color:var(--orange);font-weight:700;letter-spacing:.06em}
.info-block h1{font-size:32px;margin:6px 0 14px}
.info-block .desc{color:var(--muted);font-size:15px;margin-bottom:22px}
.kspec{width:100%;border-collapse:collapse;margin-bottom:24px}
.kspec tr{border-bottom:1px solid var(--line)}
.kspec td{padding:12px 4px;font-size:14.5px}
.kspec td:first-child{color:var(--steel);font-weight:600;width:46%}

.tabs{margin:8px 0 60px;border-top:1px solid var(--line);padding-top:0}
.tab-head{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:0}
.tab-btn{padding:16px 22px;font-weight:600;font-size:14.5px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab-btn.active{color:var(--navy);border-bottom-color:var(--orange)}
.tab-panel{display:none;padding:28px 0;animation:fade .2s}
.tab-panel.active{display:block}
@keyframes fade{from{opacity:0}to{opacity:1}}
.spec-table{width:100%;border-collapse:collapse;max-width:720px}
.spec-table tr{border-bottom:1px solid var(--line)}
.spec-table td{padding:13px 6px;font-size:14.5px}
.spec-table td:first-child{color:var(--muted);width:40%}
.spec-table td:last-child{font-weight:600}
.dl-list{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.dl-list li{background:var(--soft);border:1px solid var(--line);border-radius:5px;padding:12px 16px;font-weight:600;font-size:14px;display:flex;align-items:center;gap:10px}
.dl-list li .ico{color:var(--orange);font-weight:700}
.app-list{list-style:none;columns:2;gap:30px;max-width:680px}
.app-list li{padding:7px 0 7px 22px;position:relative;font-size:15px;break-inside:avoid}
.app-list li::before{content:"";position:absolute;left:0;top:14px;width:7px;height:7px;border-radius:50%;background:var(--orange)}

/* Inquiry sidebar */
.inq{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px;position:sticky;top:18px}
.inq h3{font-size:19px;margin-bottom:4px}
.inq .sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--steel);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:11px 13px;border:1px solid var(--line-2);border-radius:var(--radius);
  font-family:inherit;font-size:14px;color:var(--ink);background:#fff;
}
.field textarea{resize:vertical;min-height:80px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--orange)}
.file-drop{border:1.5px dashed var(--line-2);border-radius:5px;padding:16px;text-align:center;font-size:13px;color:var(--steel);cursor:pointer;background:var(--soft)}
.file-drop:hover{border-color:var(--orange);color:var(--orange)}
.inq .note{font-size:12px;color:var(--steel);margin-top:14px;text-align:center;line-height:1.5}

.detail-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}

/* ============================================================
   ABOUT / COMPANY
   ============================================================ */
.about-hero{position:relative;color:#fff;overflow:hidden}
.about-hero .ph-navy{height:340px;display:flex;align-items:flex-end}
.about-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,42,74,.35),rgba(27,42,74,.82));pointer-events:none}
.about-hero .inner{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:46px;z-index:2}
.about-hero h1{font-size:46px;max-width:760px}
.about-hero .eyebrow{color:var(--orange);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin-bottom:14px;display:block}

.story{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center}
.story p{color:#3a465c;font-size:15.5px;margin-bottom:16px}
.story p:last-child{margin-bottom:0}
.stats{background:var(--navy);border-radius:8px;padding:30px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:24px 16px}
.stat .n{font-size:38px;font-weight:800;color:#fff;line-height:1;font-family:'Roboto Condensed',sans-serif}
.stat .n span{color:var(--orange)}
.stat .l{font-size:13px;color:rgba(255,255,255,.7);margin-top:6px}

.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cap{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px;transition:border-color .15s,transform .15s}
.cap:hover{border-color:var(--steel);transform:translateY(-2px)}
.cap .ci{width:46px;height:46px;border-radius:6px;background:var(--soft);display:flex;align-items:center;justify-content:center;color:var(--orange);font-size:22px;font-weight:700;margin-bottom:16px}
.cap h3{font-size:18px;margin-bottom:8px}
.cap p{font-size:14px;color:var(--muted)}

.certs{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.cert{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px 30px;display:flex;flex-direction:column;align-items:center;gap:10px;min-width:150px}
.cert .badge{width:64px;height:64px;border-radius:50%;border:2px solid var(--steel);color:var(--steel);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;text-align:center;font-family:'Roboto Condensed',sans-serif}
.cert .name{font-size:13.5px;font-weight:600;color:var(--navy)}

.factory-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.factory-strip .ph{height:170px;border-radius:6px;border:1px solid var(--line)}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;padding-bottom:64px}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:8px;padding:34px}
.contact-form-wrap h2{font-size:26px;margin-bottom:6px}
.contact-form-wrap .lead{color:var(--muted);margin-bottom:26px;font-size:14.5px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.req::after{content:" *";color:var(--orange)}

.info-card{background:var(--navy);color:#fff;border-radius:8px;padding:32px;position:sticky;top:18px}
.info-card h3{font-size:20px;margin-bottom:22px}
.info-row{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px}
.info-row:last-of-type{border-bottom:none}
.info-row .k{color:rgba(255,255,255,.6);font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.info-row .v{color:#fff;font-weight:600}
.map-ph{height:200px;border-radius:6px;margin-top:22px;border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#243456,#1B2A4A);color:rgba(255,255,255,.7);font-size:13px}

.faq{margin:8px 0 64px;max-width:880px}
.faq-item{border:1px solid var(--line);border-radius:6px;background:#fff;margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;font-weight:600;font-size:15.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .plus{color:var(--orange);font-size:22px;font-weight:400;transition:transform .2s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .25s,padding .25s;color:var(--muted);font-size:14.5px}
.faq-item.open .faq-a{max-height:240px;padding:0 22px 20px}

@media(max-width:980px){
  .hero-in,.detail-top,.detail-layout,.story,.contact-layout,.cap-grid,.cat-grid,.prod-grid,.layout{grid-template-columns:1fr !important}
  .sidebar,.inq,.info-card{position:static}
  .hero h1{font-size:38px}
}