/* ============ Laserlight — global styles ============ */
:root{
  --bg:#0a0d18; --bg2:#0f1426; --surface:#141a30; --surface2:#1b2240;
  --text:#e9edf7; --muted:#97a1bf; --line:rgba(255,255,255,.09);
  --cyan:#22e6e6; --magenta:#b14bff; --gold:#ffcf5c;
  --accent:var(--cyan);
  --radius:14px; --maxw:1200px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --grad:linear-gradient(135deg,var(--cyan),var(--magenta));
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 700px at 80% -10%,rgba(177,75,255,.18),transparent 60%),
             radial-gradient(900px 600px at 0% 0%,rgba(34,230,230,.14),transparent 55%),
             var(--bg);
  color:var(--text);
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.6; min-height:100vh; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .4em;font-weight:700;letter-spacing:-.01em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:.5em;padding:12px 22px;border-radius:999px;
  font-weight:600;cursor:pointer;border:1px solid transparent;transition:.18s;font-size:15px}
.btn-primary{background:var(--grad);color:#06121a;box-shadow:0 8px 24px rgba(34,230,230,.25)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-lg{padding:15px 30px;font-size:16px}

/* ---------- header ---------- */
#site-header{position:sticky;top:0;z-index:50;
  background:rgba(10,13,24,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:21px;letter-spacing:.5px}
.brand-mark{color:var(--cyan);font-size:24px;text-shadow:0 0 14px var(--cyan)}
.brand-name{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:6px;margin-left:14px}
.nav-link{padding:8px 13px;border-radius:9px;color:var(--muted);font-weight:500;font-size:14.5px;transition:.15s}
.nav-link:hover{color:var(--text);background:var(--surface)}
.nav-link.active{color:var(--cyan);background:rgba(34,230,230,.08)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang-select select{background:var(--surface);color:var(--text);border:1px solid var(--line);
  border-radius:9px;padding:8px 10px;font-size:14px;cursor:pointer}
.cart-btn{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:10px;
  width:42px;height:42px;display:grid;place-items:center;cursor:pointer;font-size:18px}
.cart-btn:hover{border-color:var(--cyan)}
.cart-badge{position:absolute;top:-7px;right:-7px;background:var(--magenta);color:#fff;font-size:11px;
  min-width:19px;height:19px;border-radius:999px;display:grid;place-items:center;font-weight:700;padding:0 4px}
.nav-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px;cursor:pointer}

/* ---------- rules bar (global selling rules) ---------- */
.rules-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border-bottom:1px solid var(--line)}
.rules-bar .rb{background:var(--bg2);padding:13px 18px;display:flex;gap:11px;align-items:center}
.rules-bar .rb .ico{font-size:20px}
.rules-bar .rb .t{font-weight:700;font-size:14px}
.rules-bar .rb .d{font-size:12.5px;color:var(--muted);line-height:1.35}

/* ---------- hero ---------- */
.hero{position:relative;padding:78px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 75% 20%,rgba(34,230,230,.12),transparent 60%),
            radial-gradient(500px 260px at 20% 70%,rgba(177,75,255,.12),transparent 60%);pointer-events:none}
.hero-inner{position:relative;max-width:760px}
.hero-badge{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--cyan);background:rgba(34,230,230,.06);margin-bottom:18px}
.hero h1{font-size:clamp(30px,5vw,52px)}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:clamp(15px,2vw,18px);color:var(--muted);max-width:620px;margin:14px 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- sections ---------- */
section{padding:54px 0}
.section-head{text-align:center;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3.4vw,34px)}
.section-head p{color:var(--muted);margin:6px 0 0}
.eyebrow{color:var(--cyan);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:12px}

/* why grid */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.why-card h3{font-size:18px;margin-bottom:8px}
.why-card p{color:var(--muted);font-size:14.5px;margin:0}
.why-card .wi{font-size:26px;margin-bottom:12px;display:block}

/* category chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.chip{padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);cursor:pointer;font-size:14px;transition:.15s}
.chip:hover,.chip.active{color:#06121a;background:var(--grad);border-color:transparent;font-weight:600}

/* product grid */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.18s;position:relative}
.product-card:hover{transform:translateY(-4px);border-color:rgba(34,230,230,.4);box-shadow:var(--shadow)}
.pc-img{aspect-ratio:1/1;background:var(--bg2);position:relative;overflow:hidden}
.pc-img img{width:100%;height:100%;object-fit:cover}
.pc-stock{position:absolute;top:12px;left:12px;background:rgba(8,200,120,.16);color:#5ef0a8;
  border:1px solid rgba(94,240,168,.35);font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px}
.pc-body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.pc-cat{font-size:12px;color:var(--cyan);font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.pc-title{font-size:15.5px;font-weight:600;margin:6px 0 auto;line-height:1.35;min-height:42px}
.pc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.pc-price{font-size:19px;font-weight:800}
.pc-cta{font-size:13.5px;color:var(--muted);font-weight:600}
.product-card:hover .pc-cta{color:var(--cyan)}

/* product detail */
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:42px;padding-top:40px}
.pd-gallery{display:flex;flex-direction:column;gap:12px}
.pd-main{aspect-ratio:1/1;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pd-main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:10px;flex-wrap:wrap}
.pd-thumbs img{width:74px;height:74px;object-fit:cover;border-radius:10px;border:2px solid transparent;cursor:pointer}
.pd-thumbs img.active{border-color:var(--cyan)}
.pd-info h1{font-size:clamp(22px,3vw,32px)}
.pd-price{font-size:30px;font-weight:800;margin:6px 0 14px}
.pd-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.pd-tag{background:rgba(34,230,230,.08);border:1px solid rgba(34,230,230,.25);color:var(--cyan);
  font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px}
.pd-desc{color:var(--muted);font-size:15px;margin-bottom:22px}
.pd-rules{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}
.pd-rule{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:12px 14px}
.pd-rule .t{font-weight:700;font-size:13.5px}
.pd-rule .d{font-size:12.5px;color:var(--muted)}
.pd-buy{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.qty button{background:var(--surface);color:var(--text);border:0;width:42px;height:46px;font-size:20px;cursor:pointer}
.qty span{width:46px;text-align:center;font-weight:700}
.pd-specs{margin-top:10px}
.pd-specs h3{font-size:16px;margin-bottom:10px}
.pd-specs p{color:var(--muted);font-size:14px;white-space:pre-wrap}
.pd-related{margin-top:60px}

/* ---------- cart drawer ---------- */
.cart-overlay{position:fixed;inset:0;background:rgba(4,6,14,.6);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:.2s;z-index:90}
.cart-overlay.open{opacity:1;visibility:visible}
.cart-drawer{position:fixed;top:0;right:0;height:100%;width:min(420px,92vw);background:var(--bg2);
  border-left:1px solid var(--line);z-index:100;transform:translateX(100%);transition:.25s;display:flex;flex-direction:column}
.cart-drawer.open{transform:translateX(0)}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.cart-head h3{margin:0;font-size:18px}
.cart-close{background:none;border:0;color:var(--muted);font-size:20px;cursor:pointer}
.cart-items{flex:1;overflow-y:auto;padding:14px 20px}
.cart-empty{color:var(--muted);text-align:center;margin:30px 0 16px}
.cart-row{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-thumb{width:64px;height:64px;object-fit:cover;border-radius:9px;background:var(--bg)}
.cart-info{flex:1;min-width:0}
.cart-name{font-size:13.5px;font-weight:600;display:block;line-height:1.3}
.cart-price{color:var(--cyan);font-weight:700;font-size:13.5px;margin-top:3px}
.cart-qty{display:flex;align-items:center;gap:8px;margin-top:7px}
.cart-qty button{background:var(--surface);border:1px solid var(--line);color:var(--text);width:26px;height:26px;border-radius:7px;cursor:pointer}
.cart-qty .qval{font-weight:700;min-width:18px;text-align:center}
.cart-remove{margin-left:auto;background:none;border:0;color:var(--muted);font-size:12px;cursor:pointer;text-decoration:underline}
.cart-line{font-weight:700;font-size:14px}
.cart-foot{padding:16px 20px;border-top:1px solid var(--line)}
.cart-sub{display:flex;justify-content:space-between;font-weight:700;font-size:17px;margin-bottom:12px}
.cart-note{font-size:12px;color:var(--muted);text-align:center;margin:10px 0}
.cart-continue{width:100%;justify-content:center;margin-top:8px}
.pp-notice,.pp-error,.pp-success{font-size:13px;background:var(--surface);border:1px solid var(--line);
  border-radius:10px;padding:11px;color:var(--muted);text-align:center;margin-bottom:8px}
.pp-success{color:#5ef0a8;border-color:rgba(94,240,168,.3)}
.pp-error{color:#ff9a9a;border-color:rgba(255,140,140,.3)}

/* ---------- forms / contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input,.field select,.field textarea{width:100%;background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;padding:12px 14px;color:var(--text);font-size:15px;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan)}
.field textarea{min-height:120px;resize:vertical}
.form-status{margin-top:6px;font-size:14px;min-height:20px}
.form-status.success{color:#5ef0a8}
.form-status.error{color:#ff9a9a}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.info-card h3{font-size:18px;margin:18px 0 8px}
.info-card h3:first-child{margin-top:0}
.info-card p{color:var(--muted);font-size:14.5px;margin:0 0 6px}
.info-card a{color:var(--cyan)}
.wa-btn{display:inline-block;margin-top:8px;background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.4);
  color:#5ef0a8;padding:8px 16px;border-radius:999px;font-weight:600;font-size:14px}

/* ---------- about / shipping ---------- */
.prose{max-width:820px;margin:0 auto}
.prose p{color:var(--muted);font-size:16px;margin:0 0 18px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:14px}
.faq-item h3{font-size:16.5px;margin-bottom:6px}
.faq-item p{color:var(--muted);margin:0;font-size:14.5px}
.faq-group{margin-bottom:30px}
.faq-group h2{font-size:22px;margin-bottom:14px}
.faq-group h2 .fi{color:var(--cyan);margin-right:8px}

/* ---------- footer ---------- */
#site-footer{border-top:1px solid var(--line);background:var(--bg2);margin-top:40px;padding-top:46px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:30px;padding-bottom:34px}
.footer-col h4{font-size:14px;color:var(--text);margin:0 0 12px}
.footer-col a{display:block;color:var(--muted);font-size:14px;padding:4px 0;transition:.15s}
.footer-col a:hover{color:var(--cyan)}
.footer-desc{color:var(--muted);font-size:14px;margin:12px 0 0;max-width:300px}
.footer-col p{color:var(--muted);font-size:14px;margin:4px 0}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:13px;text-align:center}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  .pd{grid-template-columns:1fr;gap:24px}
  .contact-wrap{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .rules-bar{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .nav{position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--bg2);
    border-bottom:1px solid var(--line);padding:10px;display:none}
  .nav.open{display:flex}
  .nav-toggle{display:block;margin-left:auto}
  .header-actions{margin-left:0}
  .product-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .rules-bar{grid-template-columns:1fr 1fr}
  .pd-rules{grid-template-columns:1fr}
  .hero{padding:54px 0 40px}
}
[dir="rtl"] .nav-toggle{margin-left:0;margin-right:auto}
[dir="rtl"] .header-actions{margin-left:0;margin-right:auto}
[dir="rtl"] .cart-drawer{right:auto;left:0;transform:translateX(-100%)}
[dir="rtl"] .cart-drawer.open{transform:translateX(0)}

/* ============ Blog ============ */
.blog-filters{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 30px}
.chip{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s}
.chip:hover{color:var(--text);border-color:var(--cyan)}
.chip.active{background:var(--grad);color:#06121a;border-color:transparent}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;
  display:flex;flex-direction:column;gap:12px;transition:.18s}
.post-card:hover{transform:translateY(-3px);border-color:rgba(34,230,230,.4);box-shadow:var(--shadow)}
.pc-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px}
.pc-cat{color:#06121a;background:var(--cyan);padding:2px 10px;border-radius:999px;font-weight:700}
.pc-date{color:var(--muted)}
.pc-seg{color:var(--muted)}
.pc-title{font-size:19px;line-height:1.3;margin:0}
.pc-title a{background:none;color:var(--text)}
.pc-title a:hover{color:var(--cyan)}
.pc-excerpt{color:var(--muted);font-size:14.5px;margin:0;flex:1}
.pc-read{color:var(--cyan);font-weight:600;font-size:14px}
.post-back{display:inline-block;color:var(--muted);font-weight:600;margin-bottom:18px}
.post-back:hover{color:var(--cyan)}
.post-title{font-size:34px;line-height:1.2;margin:14px 0 18px}
.post-body{font-size:16.5px;color:var(--text);line-height:1.75}
.post-body p{margin:0 0 1.1em}
.post-link{margin-top:26px}
.post-empty{padding:40px 0}
@media(max-width:640px){
  .blog-grid{grid-template-columns:1fr}
  .post-title{font-size:26px}
}