/* ==========================================================================
   XM Goldcattle · Materials Hub — design system
   Visual language matches the existing prototype (pri #0052cc / dark #0a1f3c).
   Clean, image-rich, no third-party links. Self-contained.
   ========================================================================== */
:root{
  --pri:#0052cc; --pri-hover:#003d99; --pri-light:#e7f0ff; --pri-soft:#c7d6ee;
  --dark:#0a1f3c; --dark2:#0d2748;
  --white:#fff; --bg:#f5f8fc; --bg2:#eef3f9;
  --text:#1c2b3a; --text-2:#3a4a5c; --text-3:#6b7a8d;
  --border:#e3e9f0; --radius:14px; --radius-sm:8px;
  --shadow:0 8px 24px rgba(10,31,60,.08); --shadow-md:0 14px 36px rgba(10,31,60,.12);
  --maxw:1360px;
  --ok:#1a8a4a; --warn:#b3400f; --star:#f5a623; --star-off:#cfd6df;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;margin:0}
a{color:var(--pri);text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25}
.mat-hero-h1{color:#ffffff}
/* ---------- LAYOUT ---------- */
.mat-wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.mat-sec{max-width:var(--maxw);margin:0 auto;padding:64px 22px}
.mat-sec.tight{padding:46px 22px}
.mat-alt{background:var(--bg2)}
.mat-eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--pri);background:var(--pri-light);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.mat-h2{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--dark);margin:0 0 10px}
.mat-intro{color:var(--text-3);max-width:820px;margin:0 0 34px;font-size:16px;line-height:1.7}
.mat-h3{font-size:21px;font-weight:700;color:var(--dark);margin:0 0 6px}

/* ---------- BREADCRUMB ---------- */
.mat-crumb{font-size:13px;color:var(--text-3);padding:16px 0 0}
.mat-crumb a{color:var(--text-3)}
.mat-crumb a:hover{color:var(--pri)}

/* ---------- STICKY NAV ---------- */
.mat-jump{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);margin-top:6px}
.mat-jump-inner{display:flex;gap:4px;justify-content:center;flex-wrap:wrap;overflow-x:auto;padding:10px 22px;scrollbar-width:thin}
.mat-jump-link{white-space:nowrap;font-size:13px;font-weight:600;color:var(--text-2);padding:7px 13px;border-radius:999px;transition:.18s}
.mat-jump-link:hover{background:var(--pri-light);color:var(--pri)}
.mat-jump-link.active{background:var(--pri);color:#fff}
/* CTA button inside sticky nav */
.mat-jump-cta{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:14px;font-weight:800;color:#fff;background:var(--pri);padding:9px 22px;border-radius:999px;box-shadow:0 4px 16px rgba(0,82,204,.4);transition:.18s;flex-shrink:0}
.mat-jump-cta:hover{background:var(--pri-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,82,204,.5);color:#fff}
.mat-jump-cta:active{transform:translateY(0)}

/* ---------- HERO ---------- */
.mat-hero{position:relative;background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff;overflow:hidden}
.mat-hero-bg{position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(0,82,204,.42),transparent 55%)}
.mat-hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:78px 22px 72px;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
/* hero full-bleed override */
.mat-hero{overflow:hidden}
.mat-hero-h1{font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1.1;margin:0 0 18px}
.mat-hero-sub{font-size:17px;color:#cfe0f5;max-width:560px;line-height:1.7;margin:0 0 26px}
.mat-hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.mat-btn{display:inline-block;font-size:15px;font-weight:700;padding:14px 26px;border-radius:var(--radius-sm);transition:.2s;cursor:pointer}
.mat-btn--blue{background:var(--pri);color:#fff}
.mat-btn--blue:hover{background:var(--pri-hover);transform:translateY(-1px)}
.mat-btn--white{background:#fff;color:var(--pri)}
.mat-btn--white:hover{background:#eef3fb;transform:translateY(-1px)}
.mat-hero-img{width:100%;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.mat-stat{display:flex;gap:16px;flex-wrap:wrap;margin-top:22px}
.mat-stat div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:10px 16px;font-weight:800;color:#fff;font-size:18px}
.mat-stat span{display:block;font-weight:500;font-size:11.5px;color:#bcd4ff}

/* ---------- FACT BLOCK (answer-first GEO) ---------- */
.mat-fact{background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff;border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-md)}
.mat-fact h2{color:#fff;border:0;padding:0;margin:0 0 12px;font-size:22px}
.mat-fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mat-fact-cell{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:16px 14px;text-align:center}
.mat-fact-cell b{display:block;font-size:21px;font-weight:800;margin-bottom:4px;color:#ffd9b3}
.mat-fact-cell span{font-size:12.5px;color:#bcd4ff}
.mat-fact ul{margin:0;padding-left:18px}
.mat-fact li{margin:.3em 0;color:#e7eefb}
.mat-fact li b{color:#ffd9b3}

/* ---------- SELECTION GUIDE TABLE ---------- */
.mat-sguide{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mat-sguide-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:.2s}
.mat-sguide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--pri-soft)}
.mat-sguide-card h3{font-size:17px;color:var(--dark);margin:0 0 10px;display:flex;align-items:center;gap:10px}
.mat-sguide-card h3 .ic{width:34px;height:34px;border-radius:9px;background:var(--pri-light);color:var(--pri);display:flex;align-items:center;justify-content:center;font-size:17px;flex:none}
.mat-sguide-card .mats{display:flex;flex-wrap:wrap;gap:8px}
.mat-sguide-card .mats a{background:var(--bg2);border:1px solid var(--border);border-radius:999px;padding:6px 13px;font-size:13.5px;font-weight:600;color:var(--text-2)}
.mat-sguide-card .mats a:hover{background:var(--pri-light);color:var(--pri);border-color:var(--pri-soft)}

/* ---------- TABLES ---------- */
.mat-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
.mat-table{width:100%;border-collapse:collapse;min-width:680px}
.mat-table th{background:var(--pri);color:#fff;text-align:left;font-size:13.5px;font-weight:700;padding:13px 16px}
.mat-table td{border-top:1px solid var(--border);padding:12px 16px;font-size:13.5px;color:var(--text-2);vertical-align:top}
.mat-table tbody tr:nth-child(even){background:var(--bg2)}
.mat-table .yes{color:var(--ok);font-weight:800}
.mat-table .no{color:var(--text-3)}
.mat-table a{font-weight:600}
.mat-bar{display:inline-block;height:8px;border-radius:4px;background:var(--pri);vertical-align:middle}
.mat-bar.b5{width:90%}.mat-bar.b4{width:72%}.mat-bar.b3{width:54%}.mat-bar.b2{width:36%}.mat-bar.b1{width:18%}
.mat-barlab{font-size:12px;color:var(--text-3);margin-left:6px}

/* ---------- CATEGORY BANNER ---------- */
.mat-banner{width:100%;height:220px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:26px;background:var(--bg2)}

/* ---------- MATERIAL CARD ---------- */
.mat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.mat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--pri-soft)}
.mat-card-img{width:100%;height:172px;object-fit:cover;background:var(--bg2);border-bottom:1px solid var(--border)}
.mat-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.mat-card-body h3{font-size:18px;font-weight:700;color:var(--dark);margin:0 0 4px}
.mat-card-body .sub{font-size:12.5px;color:var(--text-3);margin:0 0 12px}
.mat-rate{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:center;margin-bottom:12px;font-size:12.5px;color:var(--text-2)}
.mat-rate .lbl{color:var(--text-3);font-weight:600}
.stars{color:var(--star);letter-spacing:1px;font-size:13px}
.stars .off{color:var(--star-off)}
.mat-card-body p{font-size:13.5px;color:var(--text-2);line-height:1.6;margin:0 0 12px}
.mat-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.mat-tags a{background:var(--bg2);border:1px solid var(--border);border-radius:999px;padding:4px 11px;font-size:12px;font-weight:600;color:var(--text-2)}
.mat-tags a:hover{background:var(--pri-light);color:var(--pri)}
.mat-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--pri)}
.mat-more:hover{text-decoration:underline}

/* ---------- BUYER TRUST / PROOF CARDS ---------- */
.mat-proofgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mat-proof{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.2s}
.mat-proof:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--pri-soft)}
.mat-proof .ic{width:40px;height:40px;border-radius:11px;background:var(--pri-light);color:var(--pri);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:12px}
.mat-proof h3{font-size:17px;color:var(--dark);margin:0 0 8px}
.mat-proof p{font-size:13.5px;color:var(--text-2);line-height:1.6;margin:0}
.mat-proof .tag{display:inline-block;margin-top:12px;font-size:11.5px;font-weight:700;color:var(--pri);background:var(--pri-light);border-radius:999px;padding:4px 11px}

/* ---------- PROCESS / INDUSTRY GRID ---------- */
.mat-linkgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mat-link{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);transition:.2s;display:block}
.mat-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--pri-soft)}
.mat-link h3{font-size:17px;color:var(--dark);margin:0 0 8px}
.mat-link p{font-size:13.5px;color:var(--text-2);margin:0 0 12px;line-height:1.6}
.mat-link .chips{display:flex;flex-wrap:wrap;gap:6px}
.mat-link .chips span{background:var(--bg2);border-radius:999px;padding:3px 10px;font-size:12px;color:var(--text-2);font-weight:600}
.mat-link .arrow{font-weight:700;color:var(--pri);font-size:13px}

/* ---------- WORKFLOW ---------- */
.mat-flow{display:flex;flex-wrap:wrap;gap:0;align-items:stretch}
.mat-step{flex:1;min-width:150px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px;position:relative;box-shadow:var(--shadow)}
.mat-step .num{width:30px;height:30px;border-radius:50%;background:var(--pri);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;margin-bottom:10px}
.mat-step h4{font-size:15px;color:var(--dark);margin:0 0 6px}
.mat-step p{font-size:12.5px;color:var(--text-3);margin:0}
.mat-step:not(:last-child)::after{content:"↓";position:absolute;right:-12px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--pri);z-index:2}
@media(min-width:900px){.mat-flow.col7 .mat-step:not(:last-child)::after{content:"→"}}

/* ---------- KNOWLEDGE CENTER ---------- */
.mat-know{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.mat-res{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 16px;box-shadow:var(--shadow);transition:.2s}
.mat-res:hover{transform:translateY(-2px);border-color:var(--pri-soft)}
.mat-res .tag{background:var(--pri);color:#fff;border-radius:6px;padding:5px 10px;font-size:11.5px;font-weight:700;white-space:nowrap;flex:none}
.mat-res .t{font-weight:600;color:var(--dark);font-size:14px}
.mat-res .d{font-size:12.5px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.mat-faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.mat-faq details{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 18px;box-shadow:var(--shadow)}
.mat-faq summary{list-style:none;cursor:pointer;font-weight:600;color:var(--dark);padding:15px 0;position:relative;font-size:14.5px}
.mat-faq summary::-webkit-details-marker{display:none}
.mat-faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:20px;color:var(--pri);font-weight:700}
.mat-faq details[open] summary::after{content:"−"}
.mat-faq-a{padding:0 0 16px;font-size:13.5px;color:var(--text-2);line-height:1.7}

/* ---------- CTA ---------- */
.mat-cta{background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff;border-radius:var(--radius);padding:46px 36px;text-align:center}
.mat-cta h2{font-size:27px;font-weight:800;margin:0 0 12px;color:#fff}
.mat-cta p{color:#cfe0f5;font-size:16px;max-width:620px;margin:0 auto 24px;line-height:1.7}
.mat-cta .mat-hero-cta{justify-content:center}
.mat-cta .note{margin-top:16px;font-size:13px;color:#9fb0c9}
/* form-popup CTA buttons (conversion) */
.cta-pop{transition:transform .15s ease, box-shadow .15s ease, filter .15s ease}
.cta-pop:hover{filter:brightness(1.07);transform:translateY(-2px)}
.cta-pop:active{transform:translateY(0);filter:brightness(.97)}

/* ---------- SUb-PAGE SYSTEM NOTE ---------- */
.mat-note{background:var(--white);border:1px solid var(--border);border-left:4px solid var(--pri);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow)}
.mat-note h3{font-size:17px;color:var(--dark);margin:0 0 8px}
.mat-note p{font-size:13.5px;color:var(--text-2);margin:0 0 8px;line-height:1.6}
.mat-note code{background:var(--bg2);border-radius:5px;padding:2px 7px;font-size:12.5px;color:var(--pri)}

/* ---------- TRUST BAND ---------- */
.mat-trust{background:var(--dark);color:#fff;padding:38px 0;margin-top:48px}
.mat-trust .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.mat-trust .stat{display:flex;gap:16px;flex-wrap:wrap}
.mat-trust .stat div{background:#16223a;border:1px solid #26344f;border-radius:10px;padding:12px 16px;font-weight:800;color:#fff;font-size:17px}
.mat-trust .stat span{display:block;font-weight:400;font-size:11.5px;color:#9fb0c9}
.mat-trust .foot{text-align:center;font-size:12.5px;color:#9fb0c9;margin-top:22px;padding:0 22px}
.mat-trust .foot a{color:#ffd9b3}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .mat-hero-inner{grid-template-columns:1fr;gap:30px}
  .mat-fact-grid,.mat-sguide,.mat-know,.mat-faq{grid-template-columns:repeat(2,1fr)}
  .mat-grid,.mat-linkgrid,.mat-proofgrid{grid-template-columns:repeat(2,1fr)}
  .mat-trust .grid{grid-template-columns:repeat(2,1fr)}
  .mat-jump{position:static}
  .mat-tabbar{top:0}
}
@media(max-width:600px){
  .mat-sec{padding:48px 16px}
  .mat-h2{font-size:25px}
  .mat-hero-h1{font-size:33px}
  .mat-fact-grid,.mat-sguide,.mat-know,.mat-faq,.mat-grid,.mat-linkgrid,.mat-proofgrid{grid-template-columns:1fr}
  .mat-trust .grid{grid-template-columns:1fr}
  .mat-flow{flex-direction:column}
  .mat-step:not(:last-child)::after{content:"↓";right:50%;top:auto;bottom:-14px;transform:translateX(50%)}
}

/* ---------- MATERIALS LIBRARY TABS ---------- */
.mat-tabs{position:relative;margin-top:8px}
.mat-tabs > input[type=radio]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.mat-tabbar{position:sticky;top:62px;z-index:40;display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 30px;padding:12px 0;background:var(--bg);border-bottom:1px solid var(--border)}
.mat-tab{display:inline-block;padding:13px 24px;cursor:pointer;font-weight:700;font-size:15px;color:var(--text-3);background:var(--bg2);border:1px solid var(--border);border-bottom:none;border-radius:11px 11px 0 0;margin-bottom:-1px;transition:.16s}
.mat-tab:hover{color:var(--pri);background:var(--pri-light)}
#tab-metals:checked ~ .mat-tabbar label[for="tab-metals"],
#tab-plastics:checked ~ .mat-tabbar label[for="tab-plastics"],
#tab-ceramics:checked ~ .mat-tabbar label[for="tab-ceramics"]{color:#fff;background:var(--pri);border-color:var(--pri);box-shadow:0 -2px 10px rgba(0,82,204,.18)}
.mat-panel{display:none;animation:matFade .25s ease}
#tab-metals:checked ~ #panel-metals,
#tab-plastics:checked ~ #panel-plastics,
#tab-ceramics:checked ~ #panel-ceramics{display:block}
@keyframes matFade{from{opacity:.45}to{opacity:1}}

/* ---------- CTA CONVERSION ENHANCEMENTS ---------- */
.cta-pop{display:inline-block;font-size:16px;font-weight:800;padding:1rem 2.4rem;border-radius:8px;cursor:pointer;border:none;text-align:center;white-space:nowrap}
.cta-pop--blue{background:var(--pri);color:#fff;box-shadow:0 8px 22px rgba(0,82,204,.38)}
.cta-pop--blue:hover{background:var(--pri-hover);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,82,204,.45)}
.cta-pop--white{background:#fff;color:var(--pri);box-shadow:0 8px 22px rgba(10,31,60,.18)}
.cta-pop--white:hover{background:#eef3fb;transform:translateY(-2px)}
.cta-pop:active{transform:translateY(0);filter:brightness(.97)}
.mat-cta-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.mat-cta-trust{margin-top:16px;font-size:13.5px;color:#a9b8d1;text-align:center;letter-spacing:.01em}
.mat-inline-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;justify-content:space-between;background:linear-gradient(135deg,#eaf1fb,#e3ecf9);border:1px solid var(--pri-soft);border-radius:var(--radius);padding:22px 28px;margin:8px auto 0;max-width:var(--maxw)}
.mat-inline-cta-txt{display:flex;flex-direction:column;gap:4px;max-width:760px}
.mat-inline-cta-txt strong{color:var(--dark);font-size:17px}
.mat-inline-cta-txt span{color:var(--text-2);font-size:14px;line-height:1.6}
.mat-float-cta{position:fixed;right:22px;bottom:22px;z-index:60;display:inline-flex;align-items:center;gap:9px;background:var(--pri);color:#fff;font-weight:800;font-size:15px;padding:14px 22px;border-radius:999px;box-shadow:0 10px 30px rgba(0,82,204,.45);transition:transform .18s ease, box-shadow .18s ease}
.mat-float-cta:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(0,82,204,.55);color:#fff}
.mat-float-ic{font-size:18px;line-height:1}
@keyframes floatPulse{0%,100%{box-shadow:0 10px 30px rgba(0,82,204,.45)}50%{box-shadow:0 10px 30px rgba(0,82,204,.7),0 0 0 6px rgba(0,82,204,.12)}}
.mat-float-cta{animation:floatPulse 2.6s ease-in-out infinite}
@media(max-width:600px){
  .mat-inline-cta{flex-direction:column;align-items:stretch;text-align:left;padding:20px}
  .mat-inline-cta .cta-pop{width:100%}
  .mat-cta-actions .cta-pop{flex:1 1 auto}
  .mat-float-cta{left:12px;right:12px;bottom:12px;justify-content:center;border-radius:14px;padding:15px}
  .mat-float-cta .mat-float-txt{font-size:15px}
}