/* ===== HCIC site — shared stylesheet ===== */
:root{
  --navy:#082F52; --navy-deep:#06223C; --blue:#0B4A8A; --orange:#F27A1A; --orange-dark:#D96308;
  --ink:#12283F; --text2:#54677E; --muted:#8A99AB; --surface:#FFFFFF; --alt:#F4F7FB;
  --border:#E4EAF2; --light-on-navy:#C4D4E4; --muted-on-navy:#A9BCD0;
  --radius:12px; --container:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Archivo','Inter',sans-serif;line-height:1.15}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 28px;border-radius:8px;font-weight:600;font-size:16px;transition:transform .15s ease,box-shadow .15s ease;cursor:pointer;border:1px solid transparent}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);box-shadow:0 8px 20px rgba(242,122,26,.35)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-white{background:#fff;color:var(--orange-dark)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{box-shadow:0 8px 20px rgba(11,74,138,.3)}

/* header */
.topbar{background:var(--navy);color:var(--muted-on-navy);font-size:13px;font-weight:500}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:44px}
.topbar strong{color:#fff}
.nav{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.nav .container{display:flex;justify-content:space-between;align-items:center;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--orange);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-name{font-family:'Archivo';font-weight:700;font-size:19px;color:var(--ink)}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink)}
.nav-links a:hover{color:var(--orange)}
.nav-cta{padding:12px 22px;font-size:14px}

/* page hero (inner pages) */
.page-hero{background:linear-gradient(135deg,#0C3D6E 0%,#06223C 100%);color:#fff;padding:64px 0}
.page-hero h1{font-size:44px;font-weight:800;margin:10px 0 14px}
.page-hero .lede{font-size:18px;color:var(--light-on-navy);max-width:720px}
.breadcrumb{font-size:13px;color:#8FA7BE;font-weight:500}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:var(--orange)}

/* sections */
section{padding:80px 0}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--orange);margin-bottom:12px}
.sec-title{font-size:40px;font-weight:700;margin-bottom:14px}
.sec-desc{font-size:16px;color:var(--text2);max-width:680px}
.alt{background:var(--alt)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}

.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:16px;transition:box-shadow .2s ease,transform .2s ease}
.card:hover{box-shadow:0 12px 32px rgba(8,47,82,.10);transform:translateY(-2px)}
.card-icon{width:48px;height:48px;border-radius:10px;background:#E9F0F9;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card h3{font-size:20px;font-weight:600}
.card p{font-size:15px;color:var(--text2)}
.card .more{font-size:14px;font-weight:600;color:var(--orange);margin-top:auto}

/* product detail */
.detail-split{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start}
.detail-main h2{font-size:26px;font-weight:700;margin:36px 0 12px}
.detail-main h2:first-child{margin-top:0}
.detail-main p{font-size:16px;color:var(--text2);margin-bottom:16px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:0 0 8px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--text2);align-items:flex-start}
.feature-list svg{flex-shrink:0;margin-top:3px}
.spec-table{width:100%;border-collapse:collapse;font-size:15px;margin-top:8px}
.spec-table th,.spec-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}
.spec-table th{background:var(--alt);color:var(--ink);font-weight:600;width:40%}
.spec-table td{color:var(--text2)}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.side-card h3{font-size:18px;font-weight:600;margin-bottom:12px}
.side-card ul li{display:flex;gap:10px;font-size:14px;color:var(--text2);padding:7px 0;align-items:center}
.side-card ul a:hover{color:var(--orange)}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text2);padding:8px 0}
.contact-list svg{flex-shrink:0;margin-top:2px}

/* applications dark */
.dark{background:var(--navy);color:#fff}
.dark .sec-title{color:#fff}
.dark .sec-desc{color:var(--muted-on-navy)}
.dark .eyebrow{color:#F5A45A}
.app-card{background:#0E3B62;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px}
.app-card h3{font-size:20px;font-weight:600}
.app-card p{font-size:15px;color:var(--muted-on-navy)}

/* pillars */
.pillar h3{font-size:18px;font-weight:600;margin-bottom:4px}
.pillar p{font-size:15px;color:var(--text2)}
.pillar-icon{width:44px;height:44px;margin-bottom:8px}

/* steps */
.step{display:flex;gap:20px;align-items:flex-start}
.step-num{font-family:'Archivo';font-weight:800;font-size:20px;color:#fff;background:var(--orange);width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.step h3{font-size:18px;font-weight:600;margin-bottom:6px}
.step p{font-size:15px;color:var(--text2)}

/* FAQ */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;background:#fff;overflow:hidden}
.faq-item summary{padding:20px 24px;font-weight:600;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--orange);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-item .a{padding:0 24px 22px;color:var(--text2);font-size:15px}

/* forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field textarea{border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,74,138,.1)}
.field textarea{min-height:120px;resize:vertical}

/* cta */
.cta{background:linear-gradient(120deg,#F27A1A,#E06400);color:#fff;padding:72px 0}
.cta .container{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{font-size:34px;font-weight:700;margin-bottom:8px}
.cta p{font-size:16px;opacity:.92}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
footer{background:var(--navy-deep);color:var(--muted-on-navy);padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:56px}
.foot-brand p{font-size:14px;max-width:320px;margin:14px 0}
.foot-contact{font-size:14px;font-weight:500}
.foot-contact a{color:#fff}
.foot-col h4{font-family:'Archivo';font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-col ul{display:flex;flex-direction:column;gap:12px}
.foot-col a{font-size:14px;color:var(--muted-on-navy)}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid #123253;margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E93A8}

/* responsive */
@media (max-width:1024px){
  .page-hero h1{font-size:36px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .detail-split{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav-links{display:none}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .sec-title{font-size:32px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .topbar .tb-right{display:none}
  .topbar .container{justify-content:center}
}

/* ===== model detail: drawing / checklist ===== */
.drawing{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:12px;margin:4px 0 6px}
.drawing img{width:100%;height:auto;border:1px solid var(--border);border-radius:8px}
.drawing figcaption{font-size:13px;color:var(--muted);padding:10px 4px 2px}
.check-list li{position:relative;padding-left:30px;margin-bottom:11px;font-size:15px;color:var(--text2)}
.check-list li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--orange)}
.check-list li::after{content:"";position:absolute;left:6px;top:7px;width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ===== series spec table (text table) ===== */
.spec-table--series{font-size:14px;margin-top:8px}
.spec-table--series thead th{background:var(--navy);color:#fff;font-weight:600;width:auto;text-align:left;border-bottom:none}
.spec-table--series thead th:first-child{border-top-left-radius:8px}
.spec-table--series thead th:last-child{border-top-right-radius:8px}
.spec-table--series tbody td{font-size:14px}
.spec-table--series .row-hl{background:#FFF4E8}
.spec-table--series .row-hl td{font-weight:600;color:var(--ink)}
.spec-table--series a{color:var(--blue);font-weight:500}
.spec-table--series a:hover{color:var(--orange)}