/*
Theme Name: XJC Pro
Theme URI: https://www.polycarbonatepro.com/
Author: Jiangsu Xinjincheng New Materials
Description: Lightweight, conversion-focused B2B theme for polycarbonate & acrylic sheet export. No page builder, no external assets.
Version: 1.0.0
License: GPL-2.0-or-later
Text Domain: xjcpro
*/

/* ============ design tokens ============ */
:root{
  --ink:#0d1b2a;          /* headings */
  --body:#3a4a5c;         /* body text */
  --muted:#6b7c8f;
  --line:#dfe6ee;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --bg-deep:#0d1b2a;      /* dark sections */
  --bg-deep-2:#132a41;
  --accent:#f26522;       /* CTA orange */
  --accent-dark:#d2500f;
  --accent-soft:#fff2ec;
  --tech:#1a6fb5;         /* technical blue */
  --ok:#1f8a5b;
  --radius:10px;
  --radius-lg:16px;
  --shadow:0 1px 2px rgba(13,27,42,.06),0 8px 24px rgba(13,27,42,.08);
  --shadow-lg:0 2px 4px rgba(13,27,42,.06),0 18px 48px rgba(13,27,42,.14);
  --wrap:1180px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--body);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--tech);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.2vw,3.15rem)}
h2{font-size:clamp(1.55rem,2.9vw,2.3rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.35rem)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
li{margin-bottom:.4em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
section{padding:76px 0}
.soft{background:var(--bg-soft)}
.deep{background:var(--bg-deep);color:#c9d6e3}
.deep h2,.deep h3,.deep h4{color:#fff}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 .8em}
.deep .eyebrow{color:#ffa172}
.lead{font-size:1.2rem;color:var(--muted)}
.deep .lead{color:#a9bcd0}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto;max-width:720px}

/* ============ buttons ============ */
.btn{display:inline-block;padding:15px 30px;border-radius:var(--radius);font-weight:700;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:.18s;text-align:center;line-height:1.2}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(242,101,34,.32)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;box-shadow:0 8px 22px rgba(242,101,34,.4)}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.center .btn-row{justify-content:center}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar{background:var(--bg-deep);color:#a9bcd0;font-size:.83rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar strong{color:#fff}
.topbar a{color:#a9bcd0}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand b{font-size:1.32rem;color:var(--ink);letter-spacing:-.03em}
.brand span{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.brand:hover{text-decoration:none}
.nav{display:flex;align-items:center;gap:28px}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav li{margin:0;position:relative}
.nav a{color:var(--ink);font-weight:600;font-size:.95rem;padding:8px 0;display:block}
.nav a:hover{color:var(--accent);text-decoration:none}
.nav .sub{display:none;position:absolute;top:100%;left:-16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:10px;min-width:250px}
.nav li:hover>.sub{display:block}
.nav .sub a{padding:9px 14px;border-radius:6px;font-weight:500}
.nav .sub a:hover{background:var(--bg-soft)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:1.1rem;cursor:pointer}

/* ============ hero ============ */
.hero{position:relative;background:var(--bg-deep);color:#c9d6e3;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,27,42,.96) 0%,rgba(13,27,42,.85) 46%,rgba(13,27,42,.5) 100%)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.hero .wrap{position:relative;z-index:2;padding-top:86px;padding-bottom:86px}
.hero h1{color:#fff;max-width:16ch}
.hero .lead{color:#c4d3e2;max-width:60ch;font-size:1.24rem}
.moq-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(242,101,34,.16);border:1px solid rgba(242,101,34,.5);color:#ffb694;padding:9px 18px;border-radius:100px;font-size:.9rem;font-weight:600;margin-bottom:22px}
.moq-badge b{color:#fff}

/* ============ trust strip ============ */
.trust{background:var(--bg-deep-2);border-top:1px solid rgba(255,255,255,.08)}
.trust .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding-top:30px;padding-bottom:30px}
.trust div{text-align:center;padding:6px 8px}
.trust b{display:block;font-size:1.85rem;color:#fff;font-weight:700;letter-spacing:-.03em}
.trust span{font-size:.82rem;color:#9fb3c8;display:block;margin-top:2px}

/* ============ cards / grids ============ */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#c3d2e2}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-soft)}
.card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.card h3{margin-bottom:.35em;font-size:1.13rem}
.card p{font-size:.94rem;color:var(--muted);margin-bottom:1em}
.card .spec{font-size:.83rem;color:var(--tech);font-weight:600;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.card a.stretch::after{content:"";position:absolute;inset:0}
.card{position:relative}

/* feature list */
.feat{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.feat .item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.deep .feat .item{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1)}
.feat .num{width:38px;height:38px;border-radius:9px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px}
.deep .feat .num{background:rgba(242,101,34,.18)}
.feat h3{font-size:1.08rem}
.feat p{font-size:.94rem;margin-bottom:0;color:var(--muted)}
.deep .feat p{color:#a9bcd0}

/* ============ spec table ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:520px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-soft);color:var(--ink);font-weight:700;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase}
tr:last-child td{border-bottom:none}
td strong{color:var(--ink)}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{padding:20px 24px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1;flex-shrink:0}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 24px 20px;color:var(--body);font-size:.97rem}
.faq .a p:last-child{margin-bottom:0}

/* ============ RFQ form ============ */
.rfq{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.rfq .row{display:grid;gap:18px;grid-template-columns:1fr 1fr;margin-bottom:18px}
.rfq .full{grid-column:1/-1}
.rfq label{display:block;font-weight:600;color:var(--ink);font-size:.88rem;margin-bottom:6px}
.rfq label .req{color:var(--accent)}
.rfq input[type=text],.rfq input[type=email],.rfq input[type=tel],.rfq select,.rfq textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius);font-family:inherit;font-size:.97rem;color:var(--ink);background:#fff;transition:.15s}
.rfq input:focus,.rfq select:focus,.rfq textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,101,34,.12)}
.rfq textarea{min-height:130px;resize:vertical}
.rfq .drop{border:2px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center;background:var(--bg-soft);cursor:pointer;transition:.15s}
.rfq .drop:hover,.rfq .drop.over{border-color:var(--accent);background:var(--accent-soft)}
.rfq .drop b{display:block;color:var(--ink);margin-bottom:4px}
.rfq .drop span{font-size:.85rem;color:var(--muted)}
.rfq .drop input[type=file]{display:none}
.rfq .filelist{font-size:.87rem;color:var(--tech);margin-top:10px}
.rfq .hp{position:absolute;left:-9999px}
.rfq .note{font-size:.85rem;color:var(--muted);margin-top:14px}
.rfq-msg{padding:16px 20px;border-radius:var(--radius);margin-bottom:22px;font-weight:600}
.rfq-msg.ok{background:#e8f6ef;color:var(--ok);border:1px solid #b6e2cd}
.rfq-msg.err{background:#fdecea;color:#c0392b;border:1px solid #f5c6c2}

/* ============ CTA band ============ */
.cta{background:linear-gradient(135deg,var(--bg-deep) 0%,var(--bg-deep-2) 100%);color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:#b6c8da;max-width:640px;margin-left:auto;margin-right:auto}

/* ============ footer ============ */
.site-footer{background:var(--bg-deep);color:#8fa6bd;font-size:.92rem;padding:64px 0 0}
.site-footer h4{color:#fff;font-size:.83rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.site-footer a{color:#8fa6bd}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:9px}
.foot-brand b{color:#fff;font-size:1.2rem;display:block;margin-bottom:10px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ============ misc ============ */
.breadcrumb{font-size:.85rem;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:52px 0}
.page-hero h1{margin-bottom:.3em}
.entry p:first-of-type{font-size:1.08rem}
.skip{position:absolute;left:-9999px}
.skip:focus{left:20px;top:12px;background:#fff;padding:10px 16px;z-index:200;border-radius:8px}

/* ============ responsive ============ */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3,.feat{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .trust .wrap{grid-template-columns:repeat(3,1fr);gap:18px}
}
@media(max-width:760px){
  body{font-size:16px}
  section{padding:54px 0}
  .menu-toggle{display:block}
  .nav{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:#fff;flex-direction:column;align-items:stretch;padding:82px 22px 22px;transform:translateX(100%);transition:.25s;box-shadow:var(--shadow-lg);overflow-y:auto}
  .nav.open{transform:none}
  .nav ul{flex-direction:column;gap:2px}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav .sub{display:block;position:static;border:none;box-shadow:none;padding:0 0 0 14px;min-width:0}
  .g2,.g3,.g4,.feat{grid-template-columns:1fr}
  .rfq .row{grid-template-columns:1fr}
  .rfq{padding:24px}
  .trust .wrap{grid-template-columns:repeat(2,1fr)}
  .trust b{font-size:1.5rem}
  .foot-grid{grid-template-columns:1fr}
  .hero .wrap{padding-top:56px;padding-bottom:56px}
}