/*
Theme Name: Kangfananlang
Theme URI: https://kangfananlang.com
Author: Kangfananlang
Description: Lightweight B2B catalog theme for fiber optic and network cabling products.
Version: 1.0.0
Text Domain: kangfananlang
*/

:root{
  --navy:#0a2540; --ink:#1b2b3b; --muted:#5b6b7c; --line:#e4e9ef;
  --accent:#f0640f; --accent-2:#ff7a1a; --bg:#f6f8fa; --white:#fff; --radius:8px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.55;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:11px 20px;border-radius:7px;font-weight:600;font-size:14px;border:none;cursor:pointer;transition:.15s}
.btn:hover{background:var(--accent-2)}
.btn.wa{background:#22c55e}.btn.wa:hover{background:#16a34a}
.btn.line{background:#fff;color:var(--navy);border:1.5px solid #d4dce6}.btn.line:hover{border-color:var(--navy)}

/* topbar */
.topbar{background:var(--navy);color:#cbd6e2;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:48px;gap:24px;line-height:1.5;padding:9px 0}
.topbar a{color:#fff;font-weight:500}

/* header */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}
.logo{font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--navy)}
.logo .k{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:28px;list-style:none}
.main-nav li a{font-size:15px;font-weight:500;color:var(--ink)}
.main-nav li a:hover{color:var(--accent)}
.main-nav li.current-menu-item a,.main-nav li a.on{color:var(--navy);font-weight:700}

/* page head */
.page-head{border-bottom:1px solid var(--line);background:var(--bg)}
.page-head .wrap{padding:44px 24px 40px}
.page-head h1{font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--navy)}

/* hero (front page) */
.hero{background:linear-gradient(180deg,#f8fafc 0%,#eef2f7 100%);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:56px 24px 60px}
.hero .txt h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.03em;line-height:1.14;color:var(--navy);margin-bottom:16px}
.hero .txt p{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:26px}
.hero .txt .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .art{display:flex;justify-content:center;align-items:center}
.hero .art .frame{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 18px 40px rgba(10,37,64,.10)}
.hero .art img{max-height:340px;object-fit:contain}

/* sections */
section{padding:40px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;gap:14px}
.sec-head h2{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--navy)}
.sec-head .more{font-size:14px;font-weight:600;color:var(--accent)}

/* category map */
.cats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cgroup{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:10px;background:#fff}
.cgroup:hover{border-color:var(--accent);box-shadow:0 4px 14px rgba(10,37,64,.08)}
.cgroup h3{font-size:15px;font-weight:800;color:var(--navy);margin-bottom:6px}
.cgroup .n{color:var(--muted);font-size:13px}

/* product cards */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prod{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;background:#fff}
.prod:hover{box-shadow:0 6px 18px rgba(10,37,64,.10);border-color:#c8d3df}
.prod .img{aspect-ratio:1/1;background:#fff;display:grid;place-items:center;overflow:hidden}
.prod .img img{width:100%;height:100%;object-fit:contain;padding:14px}
.prod .bd{padding:11px 14px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.prod .model{font-size:13px;font-weight:700;color:var(--navy)}
.prod .spec{font-size:12.5px;color:var(--muted);flex:1}
.prod .getq{font-size:13px;font-weight:700;color:var(--accent);margin-top:2px}

/* breadcrumb */
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}.crumb a:hover{color:var(--accent)}
.crumb span{color:#a9b6c6}

/* product detail */
.pd{padding:24px 0 40px}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.gallery{border:1px solid var(--line);border-radius:12px;background:#fff;display:grid;place-items:center;padding:40px}
.gallery img{max-height:420px;object-fit:contain}
.info h1{font-size:28px;font-weight:800;color:var(--navy);letter-spacing:-.02em}
.info .desc{font-size:16px;color:var(--muted);margin:6px 0 20px}
.info .actions{display:flex;gap:12px;margin-bottom:24px}
.info .specs{border-top:1px solid var(--line);padding-top:18px}
.spec-row{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:9px 0;border-bottom:1px solid #f0f3f7;font-size:14px}
.spec-row .k{color:var(--muted);font-weight:500}
.spec-row .v{color:var(--ink);font-weight:600}

/* about page */
.about .wrap{max-width:760px}
.about h2{font-size:20px;font-weight:800;color:var(--navy);margin:28px 0 12px}
.about p{font-size:16px;color:var(--muted);margin-bottom:16px}
.about .lead{font-size:18px;color:var(--ink);font-weight:500}
.fact-list{border:1px solid var(--line);border-radius:12px;padding:8px 20px;margin:24px 0}
.fact{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid #f0f3f7;font-size:15px}
.fact:last-child{border-bottom:none}
.fact .k{color:var(--muted);font-weight:500}
.fact .v{color:var(--ink);font-weight:600}
.lines{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.line{border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:14px}
.line b{display:block;color:var(--navy);font-weight:700;margin-bottom:4px}

/* contact page */
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.c-line{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid #f0f3f7;font-size:15px}
.c-line .k{color:var(--muted);font-weight:500}
.c-line .v{color:var(--ink);font-weight:600;line-height:1.6}
.contact .actions{display:flex;gap:12px;margin-top:24px}
form.inq{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:28px}
form.inq h3{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1.5px solid #d8dfe8;border-radius:8px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
form.inq .btn{width:100%;justify-content:center;padding:13px;font-size:15px}
form.inq .note{font-size:12px;color:#8a99ab;text-align:center;margin-top:9px}

/* about + contact template helpers (match page-about.php / page-contact.php) */
.feat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:32px 0}
.feat{border:1px solid var(--line);border-radius:10px;padding:18px 20px;background:#fff}
.feat .t{font-weight:700;color:var(--navy);margin-bottom:6px;font-size:15px}
.feat .d{font-size:14px;color:var(--muted);line-height:1.6}
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
form.inq input,form.inq textarea{width:100%;padding:12px 14px;border:1.5px solid #d8dfe8;border-radius:8px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff;margin-bottom:14px}
form.inq input:focus,form.inq textarea:focus{outline:none;border-color:var(--accent)}
form.inq textarea{resize:vertical;margin-bottom:14px}
form.inq .hint{font-size:12.5px;color:var(--muted);margin:10px 0 0}
form.inq .hint a{color:var(--accent)}
.site-footer .brand .k{color:var(--accent)}
@media(max-width:720px){.contact-grid{grid-template-columns:1fr}}

/* footer */
.site-footer{background:#071729;color:#8fa1b5;font-size:14px;margin-top:20px}
.site-footer .wrap{padding:42px 24px 28px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:28px}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:12px}
.site-footer a{color:#8fa1b5;display:block;margin-bottom:7px}
.site-footer a:hover{color:#fff}
.site-footer .brand{color:#fff;font-weight:800;font-size:17px;margin-bottom:10px}
.site-footer .addr{line-height:1.7}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#6c8097}

/* responsive */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;padding:40px 24px}
  .cats .grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .pd-grid{grid-template-columns:1fr}
  .contact .wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .lines{grid-template-columns:1fr}
}
@media(max-width:560px){
  .cats .grid{grid-template-columns:1fr 1fr}
  .row2{grid-template-columns:1fr}
}

/* language switcher */
.site-header nav{display:flex;align-items:center}
.lang-sw{display:inline-flex;align-items:center;gap:10px;margin-inline-start:20px;padding-inline-start:20px;border-inline-start:1px solid var(--line)}
.lang-sw a{font-size:13px;font-weight:600;color:var(--muted)}
.lang-sw a.on{color:var(--navy);font-weight:800}
.lang-sw a:hover{color:var(--accent)}

/* RTL (Arabic) */
[dir="rtl"] body{
  direction:rtl;
  text-align:right;
  font-family:'Noto Sans Arabic','Inter',-apple-system,"Segoe UI",sans-serif;
  letter-spacing:0;
}
[dir="rtl"] .field input,
[dir="rtl"] .field textarea,
[dir="rtl"] .field select,
[dir="rtl"] form.inq input,
[dir="rtl"] form.inq textarea{text-align:right}
[dir="rtl"] .logo{letter-spacing:0}
[dir="rtl"] .crumb{direction:rtl}