/*
Theme Name: GISEGA2026A
Theme URI: https://www.gisega.net
Author: GISEGA · built by 老伙计
Description: Engine-noir bilingual (EN/中文) showcase theme for GISEGA building blocks — PC & mobile responsive, custom product post type, series taxonomy, one-to-one product data seeding on activation.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: gisega2026a
*/

/* ============ GISEGA Theme — Engine Noir ============ */
:root{
  --bg:#0A0A0D; --bg2:#101016; --panel:#121218; --line:rgba(255,255,255,.08);
  --red:#E2231A; --red-d:#B0140D; --gold:#C9A35C;
  --silver1:#C8CCD4; --silver2:#6E7480;
  --text:#ECECEC; --muted:#9A9AA3;
  --font:"Segoe UI","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1220px;margin:0 auto;padding:0 28px}
body.admin-bar .nav{top:32px}

/* ---------- top nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,10,13,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:34px;height:66px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.14em;font-size:20px}
.logo .lg-mark{background:var(--red);color:#fff;border-radius:6px;padding:3px 10px 4px;font-style:italic;letter-spacing:.08em}
.logo .lg-sub{color:var(--muted);font-size:11px;letter-spacing:.32em;font-weight:600}
.nav-links{display:flex;gap:28px;margin-left:auto;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.nav-links a{color:var(--muted);padding:6px 0;position:relative;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-links a.on{color:#fff}
.nav-links a.on::after,.nav-links a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:linear-gradient(90deg,var(--red),transparent)}
.lang-sw{display:flex;flex-shrink:0;white-space:nowrap;border:1px solid var(--line);border-radius:20px;overflow:hidden;font-size:12px;font-weight:700}
.lang-sw button{background:transparent;border:0;color:var(--muted);padding:6px 13px;cursor:pointer;font:inherit;letter-spacing:.08em;white-space:nowrap;flex:0 0 auto;line-height:1.2}
.lang-sw button.on{background:var(--red);color:#fff}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:6px;color:#fff;padding:8px 11px;cursor:pointer;font-size:16px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(1200px 600px at 78% 42%,rgba(226,35,26,.16),transparent 60%),radial-gradient(900px 500px at 15% 85%,rgba(110,116,128,.14),transparent 60%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;width:100%}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-size:12px;letter-spacing:.34em;text-transform:uppercase;font-weight:700;margin-bottom:22px}
.kicker::before{content:"";width:34px;height:1px;background:var(--gold)}
.hero h1{font-size:clamp(38px,5.2vw,64px);line-height:1.06;font-weight:800;letter-spacing:.01em;text-transform:uppercase}
.hero h1 .accent{background:linear-gradient(180deg,var(--silver1),var(--silver2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);max-width:520px;margin:22px 0 34px;font-size:16px}
.hero-art{position:relative}
.hero-art img{border-radius:14px;border:1px solid var(--line);box-shadow:0 40px 90px rgba(0,0,0,.6)}
.hero-art::after{content:"";position:absolute;inset:-1px;border-radius:14px;background:linear-gradient(135deg,rgba(226,35,26,.28),transparent 32%);pointer-events:none}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:6px;font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:all .2s;border:1px solid transparent}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d);transform:translateY(-2px);box-shadow:0 12px 30px rgba(226,35,26,.32)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--silver2);transform:translateY(-2px)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- stats strip ---------- */
.stats{border-block:1px solid var(--line);background:var(--bg2)}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 0}
.stat b{display:block;font-size:30px;font-weight:800;background:linear-gradient(180deg,var(--silver1),var(--silver2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:12px;letter-spacing:.2em;text-transform:uppercase}

/* ---------- sections ---------- */
.sec{padding:88px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3vw,38px);font-weight:800;text-transform:uppercase;letter-spacing:.02em}
.sec-head h2 em{font-style:normal;color:var(--red)}
.sec-head p{color:var(--muted);max-width:460px;font-size:14px}
.sec-link{color:var(--gold);font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;white-space:nowrap}
.sec-link:hover{color:#fff}

/* ---------- series cards ---------- */
.series-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.series-card{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);aspect-ratio:3/4;display:flex;flex-direction:column;transition:transform .25s,border-color .25s}
.series-card:hover{transform:translateY(-6px);border-color:rgba(226,35,26,.55)}
.series-card img{width:100%;height:62%;object-fit:cover;filter:saturate(.92);transition:transform .35s}
.series-card:hover img{transform:scale(1.05)}
.series-card .sc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.series-card .sc-no{color:var(--red);font-size:11px;letter-spacing:.26em;font-weight:800}
.series-card h3{font-size:15px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.series-card p{color:var(--muted);font-size:12px;line-height:1.5}
.series-card .sc-n{margin-top:auto;color:var(--gold);font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700}

/* ---------- product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);transition:transform .25s,border-color .25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-5px);border-color:rgba(226,35,26,.5)}
.pcard .pc-img{position:relative;aspect-ratio:1;background:#0d0d12}
.pcard .pc-img img{width:100%;height:100%;object-fit:cover}
.pcard .pc-img.contain img{object-fit:contain;padding:8%}
.pcard .pc-sku{position:absolute;top:10px;left:10px;background:rgba(10,10,13,.78);border:1px solid var(--line);border-radius:4px;padding:2px 9px;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--silver1)}
.pcard .pc-body{padding:15px 16px 17px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .pc-series{color:var(--red);font-size:10px;letter-spacing:.24em;text-transform:uppercase;font-weight:800}
.pcard h3{font-size:14.5px;font-weight:700;line-height:1.4;min-height:2.8em}
.pcard .pc-meta{color:var(--muted);font-size:12px;display:flex;gap:14px;flex-wrap:wrap}
.pcard .pc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--line)}
.price{color:#fff;font-weight:800;font-size:17px}
.price small{color:var(--muted);font-weight:600;font-size:10px;letter-spacing:.1em;display:block}
.pcard .pc-go{color:var(--gold);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.pcard.tbd .pc-img{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;letter-spacing:.24em;text-transform:uppercase;background:repeating-linear-gradient(45deg,#0d0d12,#0d0d12 12px,#101018 12px,#101018 24px)}
.pcard.tbd h3{color:var(--muted)}

/* ---------- filter chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:22px;padding:8px 20px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:all .2s;font-family:var(--font)}
.chip:hover{color:#fff;border-color:var(--silver2)}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}

/* ---------- detail page ---------- */
.crumb{color:var(--muted);font-size:12px;letter-spacing:.08em;padding:26px 0 0}
.crumb a:hover{color:#fff}
.detail{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;padding:30px 0 80px}
.gal-main{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#0d0d12}
.gal-main img{width:100%}
.gal-main.contain img{object-fit:contain;padding:6%}
.gal-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.gal-thumbs img{border:1px solid var(--line);border-radius:8px;cursor:pointer;opacity:.65;transition:all .2s;aspect-ratio:1;object-fit:cover;width:100%}
.gal-thumbs img.contain{object-fit:contain;padding:6%}
.gal-thumbs img:hover,.gal-thumbs img.on{opacity:1;border-color:var(--red)}
.d-info .kicker{margin-bottom:12px}
.d-info h1{font-size:clamp(26px,3vw,40px);font-weight:800;text-transform:uppercase;line-height:1.15}
.d-info .d-sku{color:var(--muted);font-size:13px;letter-spacing:.18em;margin-top:8px}
.d-price{margin:24px 0;padding:18px 22px;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:8px;background:var(--panel);display:flex;align-items:center;gap:18px}
.d-price .amount{font-size:32px;font-weight:800}
.d-price .tag{color:var(--gold);font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:700}
.d-desc{color:var(--muted);font-size:15px;margin-bottom:24px}
.d-feats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}
.d-feat{border:1px solid var(--line);border-radius:8px;padding:13px 15px;font-size:13px;background:var(--panel)}
.d-feat b{display:block;color:var(--silver1);font-size:11px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:4px}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-bottom:28px}
.spec-table td{padding:11px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table td:first-child{color:var(--muted);width:42%;letter-spacing:.06em;text-transform:uppercase;font-size:11.5px;padding-top:13px}
.cert-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.cert{border:1px solid rgba(201,163,92,.4);color:var(--gold);border-radius:4px;padding:4px 11px;font-size:11px;font-weight:700;letter-spacing:.1em}
.d-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- about / contact ---------- */
.page-head{padding:74px 0 46px;border-bottom:1px solid var(--line);background:radial-gradient(800px 340px at 80% 0,rgba(226,35,26,.1),transparent 65%)}
.page-head h1{font-size:clamp(30px,4vw,48px);font-weight:800;text-transform:uppercase}
.page-head p{color:var(--muted);max-width:640px;margin-top:14px}
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.about-block h3{font-size:19px;font-weight:800;text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.about-block h3::before{content:"";width:22px;height:2px;background:var(--red)}
.about-block p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.form{display:grid;gap:16px}
.form label{display:block;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:7px;font-weight:700}
.form input,.form textarea,.form select{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:13px 15px;color:var(--text);font-family:var(--font);font-size:14px;transition:border-color .2s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--red)}
.form-ok{border:1px solid rgba(201,163,92,.4);color:var(--gold);border-radius:8px;padding:14px 18px;font-size:14px;background:var(--panel)}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.c-card{border:1px solid var(--line);border-radius:10px;padding:20px;background:var(--panel)}
.c-card b{display:block;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--red);margin-bottom:8px}
.c-card span{font-size:15px}
.c-card small{display:block;color:var(--muted);margin-top:4px;font-size:12px}

/* ---------- certificates strip & cta band ---------- */
.cert-strip{border-block:1px solid var(--line);background:var(--bg2)}
.cert-strip-in{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:26px 0}
.cert-lg{border:1px solid var(--line);border-radius:6px;padding:9px 20px;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--silver1)}
.cta-band{background:linear-gradient(120deg,rgba(226,35,26,.16),transparent 55%),var(--bg2);border-block:1px solid var(--line);text-align:center;padding:74px 0}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:800;text-transform:uppercase;margin-bottom:14px}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 30px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:#08080b;padding:52px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-grid h4{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--silver1);margin-bottom:16px;font-weight:800}
.foot-grid a{display:block;color:var(--muted);font-size:13px;padding:4px 0}
.foot-grid a:hover{color:#fff}
.foot-brand p{color:var(--muted);font-size:13px;margin-top:14px;max-width:300px}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;color:#666;font-size:12px;flex-wrap:wrap}
.foot-bottom .patent{color:var(--red);font-weight:700}

/* ---------- reveal anim ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rv.vis{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .series-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .hero-grid{grid-template-columns:1fr;min-height:0}
  .hero{min-height:0;padding:60px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .detail{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#0c0c10;border-bottom:1px solid var(--line);flex-direction:column;padding:18px 28px;gap:16px}
  .nav-links.open{display:flex}
  .burger{display:block}
  .lang-sw{margin-left:auto}
  .nav-links{margin-left:0}
  .series-grid,.prod-grid{grid-template-columns:repeat(2,1fr)}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .cols-2{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .d-feats{grid-template-columns:1fr}
  .detail{gap:30px}
}
@media(max-width:460px){
  .prod-grid{grid-template-columns:1fr 1fr;gap:12px}
  .pcard h3{font-size:12.5px}
  .wrap{padding:0 18px}
  .nav-in{gap:14px;height:60px}
  .logo{font-size:18px}
  .logo .lg-sub{font-size:10px;letter-spacing:.2em}
  .lang-sw{font-size:11px}
  .lang-sw button{padding:5px 10px}
  .kicker{letter-spacing:.16em;font-size:10.5px;margin-bottom:16px}
  .kicker::before{width:20px}
}