/* ============================================================
   Shiweida 视卫达 — AOV low-power security cameras
   Visual system. All decoration is CSS / inline SVG so the site
   stays fully offline (no web fonts, no icon CDN).
   ============================================================ */

:root{
  /* palette — warm paper ground, deep forest brand, copper accent */
  --bg:#faf8f3;
  --bg-tint:#f2eee4;
  --surface:#ffffff;
  --surface-2:#fbfaf6;
  --ink:#151a16;
  --ink-2:#2a3129;
  --muted:#6c7269;
  --muted-2:#8b9186;
  --line:#e7e2d7;
  --line-2:#d8d2c4;

  --brand:#16321f;
  --brand-2:#24512f;
  --brand-3:#3a7a4c;
  --brand-tint:#eef3ec;
  --imgbg:#eef0eb; /* neutral light ground so white-background product photos blend in */
  --accent:#c1702f;
  --accent-2:#e09047;
  --accent-tint:#fdf3e9;
  --ok:#2f6b4f;

  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;

  --shadow-xs:0 1px 2px rgba(21,26,22,.05);
  --shadow-sm:0 1px 3px rgba(21,26,22,.06), 0 6px 16px rgba(21,26,22,.05);
  --shadow-md:0 2px 6px rgba(21,26,22,.06), 0 14px 34px rgba(21,26,22,.08);
  --shadow-lg:0 6px 14px rgba(21,26,22,.08), 0 26px 60px rgba(21,26,22,.13);

  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-size:15px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{letter-spacing:-.012em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ============================ buttons ============================ */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  border:1px solid var(--brand);background:var(--brand);color:#fff;
  padding:14px 26px;border-radius:999px;font-size:14.5px;font-weight:500;
  letter-spacing:.01em;
  transition:transform .12s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),border-color .18s;
}
.btn:hover{background:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:transparent;color:var(--brand);border-color:var(--line-2)}
.btn.ghost:hover{background:var(--surface);border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm)}
.btn.accent{background:var(--accent);border-color:var(--accent)}
.btn.accent:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* ============================ header ============================ */
header.site{
  position:sticky;top:0;z-index:40;
  background:rgba(250,248,243,.72);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
header.site.scrolled{
  background:rgba(250,248,243,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-xs);
}
.nav{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:650;font-size:17px;letter-spacing:.1em;color:var(--brand)}
.logo img{height:38px;width:auto}
.nav-links{display:flex;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--ink-2);padding:6px 0;font-weight:450;
  transition:color .18s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;
  background:var(--accent);transition:right .28s var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{right:0}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  position:relative;width:41px;height:41px;border-radius:50%;
  border:1px solid var(--line-2);background:var(--surface);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  font-size:14px;transition:border-color .18s,box-shadow .18s,transform .12s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-1px)}
#lang-toggle{font-weight:600;letter-spacing:.02em}
.cart-count{
  position:absolute;top:-4px;right:-4px;min-width:19px;height:19px;padding:0 5px;
  background:var(--accent);color:#fff;border-radius:999px;font-size:11px;font-weight:650;
  display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px var(--bg);
}
.cart-count:empty{display:none}

/* mobile nav toggle (shown < 880px) */
.nav-burger{display:none}

/* ======================= section scaffolding ======================= */
.section{padding:88px 0;position:relative}
.section.alt{
  background:var(--surface);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section.tinted{background:var(--bg-tint)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);font-weight:650;margin:0;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.55}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-title{font-size:clamp(26px,3.1vw,36px);font-weight:620;margin:14px 0 0;line-height:1.16}
.sec-sub{color:var(--muted);font-size:16.5px;margin:14px 0 0;line-height:1.6}

/* ============================== hero ============================== */
.hero{
  padding:10px 0 76px;
  position:relative;overflow:hidden;
}
/* soft ambient wash behind hero — pure CSS, no assets */
.hero::before{
  content:"";position:absolute;inset:-30% -10% auto -10%;height:760px;
  background:
    radial-gradient(46% 52% at 78% 18%, rgba(58,122,76,.16), transparent 62%),
    radial-gradient(38% 44% at 12% 8%, rgba(193,112,47,.12), transparent 64%);
  pointer-events:none;z-index:0;
}
.hero > .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;min-height:min(78vh,660px)}
.hero h1{
  font-size:clamp(36px,5.1vw,58px);line-height:1.05;font-weight:640;
  margin:0 0 20px;letter-spacing:-.024em;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:18.5px;color:var(--muted);margin:0 0 32px;max-width:520px;line-height:1.62}
.hero .btn-row{margin-bottom:0}

.hero-media{
  position:relative;
  aspect-ratio:4/5;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:var(--imgbg);
}
.hero-media img{width:100%;height:100%;object-fit:contain}
.hero-media .fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:19px;font-weight:500;text-align:center;padding:24px;
}
/* floating glass badge over the hero photo */
.hero-badge{
  position:absolute;left:18px;bottom:18px;right:18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px) saturate(160%);
  -webkit-backdrop-filter:blur(12px) saturate(160%);
  box-shadow:var(--shadow-md);
}
.hero-badge .ico{
  width:38px;height:38px;flex:none;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-2);
}
.hero-badge .ico svg{width:21px;height:21px}
.hero-badge b{display:block;font-size:14.5px;font-weight:600;line-height:1.3}
.hero-badge span{display:block;font-size:12.5px;color:var(--muted);line-height:1.3}

.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:52px;padding-top:30px;border-top:1px solid var(--line);
}
.stat .n{
  font-size:clamp(24px,2.6vw,32px);font-weight:640;color:var(--brand);
  line-height:1.1;letter-spacing:-.02em;
}
.stat .l{font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.4}

/* trust lines — check-point evidence under the hero copy */
.trust{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:9px}
.trust li{
  position:relative;padding-left:27px;font-size:14.5px;color:var(--ink-2);line-height:1.55;
}
.trust li::before{
  content:"";position:absolute;left:0;top:1px;width:17px;height:17px;border-radius:50%;
  background:var(--brand-tint);
}
.trust li::after{
  content:"";position:absolute;left:5px;top:6.6px;width:6px;height:3.4px;
  border-left:1.8px solid var(--brand-3);border-bottom:1.8px solid var(--brand-3);
  transform:rotate(-45deg);
}

/* ===================== who-we-serve cards ===================== */
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.who{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px 22px;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.who:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.who .ico{
  width:42px;height:42px;border-radius:12px;margin-bottom:15px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-2);
}
.who .ico svg{width:22px;height:22px}
.who h3{margin:0 0 6px;font-size:17.5px;font-weight:620;line-height:1.3}
.who-need{margin:0 0 13px;font-size:14px;color:var(--accent);font-weight:550}
.who ul{margin:0 0 16px;padding:0;list-style:none;display:grid;gap:8px}
.who li{
  position:relative;padding-left:17px;font-size:14px;color:var(--muted);line-height:1.55;
}
.who li::before{
  content:"";position:absolute;left:2px;top:8px;width:5px;height:5px;border-radius:50%;
  background:var(--line-2);
}
.who .link-arrow{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s var(--ease);
}
.who .link-arrow:hover{gap:9px}
.who.ask{
  background:linear-gradient(150deg,var(--brand),var(--brand-2));
  border-color:transparent;color:#fff;
}
.who.ask .ico{background:rgba(255,255,255,.14);color:#fff}
.who.ask h3,.who.ask .link-arrow{color:#fff}
.who.ask .who-need{color:var(--accent-2)}
.who.ask li{color:rgba(255,255,255,.82)}
.who.ask li::before{background:rgba(255,255,255,.5)}

/* ======================= OEM level cards ======================= */
.oem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.oem{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px 18px;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.oem:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.oem-lv{
  align-self:flex-start;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:650;color:var(--accent);background:var(--accent-tint);
  border-radius:999px;padding:4px 11px;margin-bottom:12px;
}
.oem h3{margin:0 0 8px;font-size:16.5px;font-weight:620;line-height:1.3}
.oem > p{font-size:14px;color:var(--muted);line-height:1.6;margin:0 0 13px}
.oem ul{margin:0 0 16px;padding:0;list-style:none;display:grid;gap:7px}
.oem li{
  position:relative;padding-left:16px;font-size:13.5px;color:var(--muted);line-height:1.55;
}
.oem li::before{
  content:"";position:absolute;left:1px;top:8px;width:5px;height:5px;border-radius:50%;
  background:var(--line-2);
}
.oem-moq{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line-2);
  font-size:13px;color:var(--muted-2);
}
.oem-moq b{color:var(--brand);font-weight:650;font-size:14px;margin-left:3px}
.oem-note{
  margin:20px 0 0;font-size:13.5px;color:var(--muted);line-height:1.6;
  padding:14px 18px;border-left:3px solid var(--accent);background:var(--accent-tint);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
@media(max-width:980px){ .oem-grid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:560px){ .oem-grid{grid-template-columns:1fr} }

/* ===================== selection-help band ===================== */
.help-band{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  margin:26px 0 80px;padding:34px 34px;
  border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);
  box-shadow:var(--shadow-sm);
}
.help-band h2{margin:0 0 16px;font-size:clamp(20px,2.4vw,26px);font-weight:620;line-height:1.25}
.help-band .trust{margin-top:0}
.help-band .help-cta{display:grid;gap:12px;justify-items:start}
.help-band .help-cta .btn{width:100%;text-align:center}
.help-band .help-cta .muted{font-size:13.5px;margin:0;line-height:1.55}
.help-band.tight{margin:0;padding:26px 28px;grid-template-columns:1.2fr .8fr;gap:26px}
.help-band.tight h2{font-size:clamp(18px,2vw,22px)}
@media(max-width:760px){
  .help-band{grid-template-columns:1fr;gap:22px;padding:26px 22px}
  .help-band.tight{grid-template-columns:1fr}
}

/* ============================ FAQ ============================ */
.faq{max-width:860px;display:grid;gap:10px}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .18s,box-shadow .18s;
}
.faq details[open]{border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.faq summary{
  cursor:pointer;list-style:none;padding:17px 22px;font-size:15.5px;font-weight:560;
  display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.45;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:none;font-size:20px;font-weight:400;color:var(--accent);line-height:1;
  transition:transform .2s var(--ease);
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--brand)}
.faq details p{
  margin:0;padding:0 22px 19px;font-size:14.5px;color:var(--muted);line-height:1.68;
}

/* ======================= capability cards (2x2) ======================= */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.cap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.cap:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.cap .ph{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--imgbg);
}
.cap .ph img{width:100%;height:100%;object-fit:contain;transition:transform .55s var(--ease)}
.cap:hover .ph img{transform:scale(1.05)}
.cap .cb{padding:20px 22px 24px;background:var(--surface)}
.cap .num{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);font-weight:650;
}
.cap .num svg{width:15px;height:15px}
.cap h3{margin:9px 0 9px;font-size:19px;font-weight:600;line-height:1.3}
.cap p{color:var(--muted);font-size:14.5px;margin:0 0 14px;line-height:1.6}
.cap a{
  font-size:14px;color:var(--brand);font-weight:550;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s var(--ease);
}
.cap a::after{content:"→";transition:transform .2s var(--ease)}
.cap a:hover{gap:9px}

/* ======================= direction tiles (3 cols) ======================= */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dir{
  position:relative;overflow:hidden;
  border-radius:var(--radius);
  aspect-ratio:4/3;display:flex;align-items:flex-end;color:#fff;
  background:var(--imgbg);
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.dir:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.dir img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  transition:transform .6s var(--ease);
}
.dir:hover img{transform:scale(1.06)}
.dir .ov{
  position:relative;z-index:1;margin:14px;padding:14px 18px;border-radius:12px;
  background:rgba(15,32,21,.62);
  backdrop-filter:blur(8px) saturate(150%);
  -webkit-backdrop-filter:blur(8px) saturate(150%);
}
.dir .tag2{
  display:inline-block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  opacity:.9;font-weight:600;
  border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:3px 10px;
  backdrop-filter:blur(4px);
}
.dir h3{margin:10px 0 0;font-size:18.5px;font-weight:600;line-height:1.25}

/* ============================== steps ============================== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{position:relative}
.step .ph{
  position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
  background:var(--imgbg);
  box-shadow:var(--shadow-sm);
}
.step .ph img{width:100%;height:100%;object-fit:contain;transition:transform .55s var(--ease)}
.step:hover .ph img{transform:scale(1.06)}
.step .num{
  font-size:12.5px;color:var(--accent);font-weight:650;letter-spacing:.14em;
  margin-top:18px;
}
.step h3{margin:7px 0 8px;font-size:18.5px;font-weight:600;line-height:1.3}
.step p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.62}

/* ============================== factory ============================== */
.factory{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.factory .fb{display:grid;gap:14px;margin-top:26px}
.factory .fbit{
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  background:var(--surface);
  display:flex;gap:14px;align-items:flex-start;
  transition:border-color .2s,box-shadow .2s,transform .2s var(--ease);
}
.factory .fbit:hover{border-color:var(--line-2);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.factory .fbit .ico{
  width:36px;height:36px;flex:none;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-2);
}
.factory .fbit .ico svg{width:19px;height:19px}
.factory .fbit h4{margin:0 0 3px;font-size:16px;font-weight:600}
.factory .fbit p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.55}
.factory .fmedia{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);
  background:var(--imgbg);
}
.factory .fmedia img{width:100%;height:100%;object-fit:contain}
.factory .fmedia-grid{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:1fr 1fr;gap:14px;aspect-ratio:1/1}
.factory .fmedia-grid .a{grid-row:1/3;border-radius:var(--radius);overflow:hidden}
.factory .fmedia-grid .b,.factory .fmedia-grid .c{border-radius:var(--radius-sm);overflow:hidden;background:var(--imgbg)}
.factory .fmedia-grid img{width:100%;height:100%;object-fit:contain;background:var(--imgbg)}

/* ============================== cases ============================== */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--surface);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.case .ph{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--imgbg)}
.case .ph img{width:100%;height:100%;object-fit:contain;transition:transform .55s var(--ease)}
.case:hover .ph img{transform:scale(1.06)}
.case .cb{padding:18px 20px 20px}
.case h3{margin:0 0 7px;font-size:16.5px;font-weight:600;line-height:1.35}
.case p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.6}
.case-tag{
  display:inline-block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  font-weight:650;color:var(--accent);background:var(--accent-tint);
  border-radius:999px;padding:4px 10px;margin-bottom:10px;
}
.case-spec{margin:16px 0 0;padding:14px 0 0;border-top:1px dashed var(--line-2);display:grid;gap:9px}
.case-spec div{display:grid;grid-template-columns:78px 1fr;gap:10px;align-items:baseline}
.case-spec dt{font-size:12px;color:var(--muted-2);font-weight:600;letter-spacing:.04em}
.case-spec dd{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.5}

/* ================================ cta ================================ */
.cta{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 55%,#2f6b4f 100%);
  color:#fff;border-radius:var(--radius-lg);
  padding:68px 28px;text-align:center;margin:8px 0 80px;
  box-shadow:var(--shadow-md);
}
/* decorative rings — CSS only */
.cta::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-260px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.09),transparent 68%);
}
.cta::after{
  content:"";position:absolute;width:360px;height:360px;left:-140px;bottom:-220px;
  border-radius:50%;background:radial-gradient(circle,rgba(193,112,47,.28),transparent 66%);
}
.cta > *{position:relative;z-index:1}
.cta h2{font-size:clamp(25px,3.2vw,36px);margin:0 0 14px;font-weight:620;line-height:1.16}
.cta p{opacity:.9;max-width:560px;margin:0 auto 28px;font-size:16.5px;line-height:1.62}
.cta .btn{background:#fff;color:var(--brand);border-color:#fff}
.cta .btn:hover{background:var(--bg-tint);color:var(--brand)}

/* =========================== product grid =========================== */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(256px,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.card .thumb{
  position:relative;aspect-ratio:4/3;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:30px;font-weight:600;letter-spacing:1px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.card .thumb img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  transition:transform .6s var(--ease);
}
.card:hover .thumb img{transform:scale(1.06)}
.badge{
  position:absolute;top:11px;left:11px;z-index:2;
  background:var(--accent);color:#fff;font-size:11px;font-weight:650;
  padding:5px 10px;border-radius:999px;letter-spacing:.02em;
  box-shadow:var(--shadow-xs);
}
.card .body{padding:15px 17px 17px;display:flex;flex-direction:column;gap:7px;flex:1}
.card .cat{
  font-size:11.5px;color:var(--muted-2);text-transform:uppercase;
  letter-spacing:.12em;font-weight:600;
}
.card .name{font-size:15.5px;font-weight:550;line-height:1.4;color:var(--ink)}
.card .price{font-size:15.5px;font-weight:650;color:var(--brand);margin-top:auto;padding-top:4px}
.card .foot{margin-top:10px;padding-top:0}
.card .foot .btn{
  width:100%;padding:11px 18px;font-size:13.5px;
  background:var(--brand-tint);color:var(--brand);border-color:transparent;
}
.card .foot .btn:hover{background:var(--brand);color:#fff;transform:none;box-shadow:none}

/* ========================== product detail ========================== */
.pdp{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:start}
.pdp .gallery .main{
  aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-size:48px;font-weight:700;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:var(--shadow-sm);
}
.pdp .gallery .main img{width:100%;height:100%;object-fit:contain}
.pdp .gallery .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.g-thumb{
  width:74px;height:74px;border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);padding:0;background:var(--surface);
  transition:border-color .18s,transform .18s var(--ease);
}
.g-thumb:hover{border-color:var(--brand);transform:translateY(-2px)}
.g-thumb img{width:100%;height:100%;object-fit:contain;background:var(--imgbg)}
.pdp .kicker{margin-bottom:2px}
.pdp h1{font-size:clamp(26px,3.2vw,34px);margin:10px 0 14px;font-weight:620;line-height:1.15}
.pdp .desc{color:var(--muted);font-size:15.5px;line-height:1.72}
.pdp .specs{
  display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;margin:20px 0;
}
.pdp .spec{
  display:flex;justify-content:space-between;gap:16px;
  background:var(--surface-2);padding:12px 16px;font-size:14px;
}
.pdp .spec b{font-weight:600;text-align:right;color:var(--ink)}
.feat-list{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:11px}
.feat-list li{
  display:flex;gap:11px;font-size:14.5px;line-height:1.55;align-items:flex-start;
}
.feat-list li::before{
  content:"";width:9px;height:15px;flex:none;
  border:solid var(--ok);border-width:0 2px 2px 0;
  transform:rotate(45deg);margin-top:3px;
}
.moq{
  display:inline-block;background:var(--accent-tint);color:var(--accent);
  border:1px solid rgba(193,112,47,.24);
  font-size:13px;font-weight:600;padding:6px 13px;border-radius:999px;margin:0 0 18px;
}
.add-row{display:flex;gap:12px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:999px;overflow:hidden;background:var(--surface)}
.qty button{width:40px;height:44px;border:none;background:transparent;font-size:18px;color:var(--ink)}
.qty button:hover{background:var(--bg-tint)}
.qty input{width:48px;height:44px;border:none;text-align:center;font-size:15px;background:transparent}

/* ============================== filters ============================== */
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:30px}
.toolbar .filters{display:flex;gap:9px;flex-wrap:wrap}
.chip{
  border:1px solid var(--line-2);background:var(--surface);
  border-radius:999px;padding:9px 16px;font-size:13.5px;color:var(--ink-2);
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:550}
.search{flex:1;min-width:220px;position:relative}
.search input{
  width:100%;height:44px;border:1px solid var(--line-2);border-radius:999px;
  padding:0 18px;font-size:14.5px;background:var(--surface);
  transition:border-color .18s,box-shadow .18s;
}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(36,81,47,.1)}
.search input::placeholder{color:var(--muted-2)}
.result-count{color:var(--muted);font-size:14px}
.empty{padding:70px 0;text-align:center;color:var(--muted);font-size:15px}

/* ==================== drawer (project / inquiry) ==================== */
.overlay{
  position:fixed;inset:0;background:rgba(15,22,17,.45);
  backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity .25s;z-index:50;
}
.overlay.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:430px;max-width:92vw;
  background:var(--surface);z-index:60;transform:translateX(100%);
  transition:transform .3s var(--ease);display:flex;flex-direction:column;
  box-shadow:-14px 0 50px rgba(21,26,22,.16);
}
.drawer.open{transform:translateX(0)}
.drawer .dhead{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer .dhead h3{margin:0;font-size:17.5px;font-weight:600}
.drawer .dbody{flex:1;overflow:auto;padding:18px 22px;display:flex;flex-direction:column;gap:16px}
.drawer .dfoot{padding:20px 22px;border-top:1px solid var(--line);background:var(--surface-2)}
.ci{
  display:flex;gap:13px;align-items:center;
  padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface-2);
}
.ci .pic{
  width:64px;height:64px;border-radius:var(--radius-sm);overflow:hidden;flex:none;
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;
  background:linear-gradient(135deg,var(--brand-2),var(--brand-3));
}
.ci .pic img{width:100%;height:100%;object-fit:contain;background:var(--imgbg)}
.ci .info{flex:1;min-width:0}
.ci .info .n{font-size:14.5px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci .info .p{font-size:13px;color:var(--muted);margin-top:2px}
.ci .x{border:none;background:none;color:var(--muted-2);font-size:18px;padding:4px 6px;border-radius:8px;transition:color .18s,background .18s}
.ci .x:hover{color:var(--accent);background:var(--accent-tint)}
.drawer .empty{padding:40px 0;font-size:14.5px;line-height:1.6}
.subtotal{display:flex;justify-content:space-between;font-size:16px;font-weight:600;margin-bottom:14px}

/* ========================== forms / contact ========================== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--ink-2);font-weight:550}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:0 15px;font-size:14.5px;background:var(--surface);color:var(--ink);
  font-family:inherit;
  transition:border-color .18s,box-shadow .18s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(36,81,47,.1);
}
.field textarea{height:auto;padding:13px 15px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.success{
  background:rgba(47,107,79,.08);border:1px solid var(--ok);color:var(--ok);
  border-radius:var(--radius);padding:20px;font-size:15px;text-align:center;line-height:1.6;
}
.contact-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:44px;align-items:start}
.info-list{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.info-list li{
  display:flex;gap:12px;font-size:14.5px;color:var(--muted);
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);
}
.info-list li b{color:var(--ink);font-weight:600}
.contact-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;background:var(--surface);box-shadow:var(--shadow-xs);
}
.contact-card h3{margin:0 0 14px;font-size:16px;font-weight:600}

/* =============================== footer =============================== */
footer.site{
  background:var(--brand);color:#fff;padding:58px 0 26px;
  position:relative;overflow:hidden;
}
footer.site::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 100% at 88% 0%,rgba(58,122,76,.35),transparent 70%);
  pointer-events:none;
}
footer.site .wrap{position:relative}
footer.site h4{
  margin:0 0 16px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.62);font-weight:650;
}
footer.site a{
  color:rgba(255,255,255,.8);font-size:14.5px;display:block;margin-bottom:9px;
  transition:color .18s;
}
footer.site a:hover{color:#fff}
footer.site .fdesc{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.7;max-width:340px}
footer.site .flogo{display:flex;align-items:center;gap:11px;margin-bottom:16px;font-weight:650;letter-spacing:.1em}
footer.site .flogo img{height:40px;width:auto;background:#fff;border-radius:8px;padding:4px}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}
.fcopy{
  border-top:1px solid rgba(255,255,255,.16);margin-top:36px;padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.62);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ================================ admin ================================ */
.admin-grid{display:grid;grid-template-columns:380px 1fr;gap:28px;align-items:start}
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-xs);
}
.panel h3{margin:0 0 18px;font-size:17px;font-weight:600}
.drop{
  border:2px dashed var(--line-2);border-radius:var(--radius);
  padding:24px;text-align:center;color:var(--muted);cursor:pointer;
  transition:border-color .18s,background .18s;
}
.drop:hover{border-color:var(--brand-3);background:var(--surface-2)}
.drop img{width:120px;height:120px;object-fit:contain;background:var(--imgbg);border-radius:10px;margin:0 auto 10px}
.admin-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface)}
.admin-table th,.admin-table td{padding:13px 11px;border-bottom:1px solid var(--line);text-align:left}
.admin-table th{font-size:11.5px;color:var(--muted-2);font-weight:650;text-transform:uppercase;letter-spacing:.08em}
.admin-table tbody tr:hover{background:var(--surface-2)}
.admin-table .pic{width:48px;height:48px;border-radius:8px;object-fit:contain;background:var(--imgbg)}
.tag{font-size:12px;background:var(--brand-tint);color:var(--brand-2);padding:4px 9px;border-radius:999px;font-weight:550}
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:13px 22px;border-radius:999px;
  font-size:14px;opacity:0;transition:.25s var(--ease);z-index:80;pointer-events:none;
  box-shadow:var(--shadow-md);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* legal card (factory registration) */
.legal-card{
  max-width:640px;margin:0 auto;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow-xs);
}
.legal-card table{width:100%;border-collapse:collapse;font-size:14.5px}
.legal-card th,.legal-card td{padding:11px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.legal-card th{width:38%;color:var(--muted);font-weight:500}
.legal-card td{font-weight:550}
.legal-card tr:last-child th,.legal-card tr:last-child td{border-bottom:none}

/* ============================= responsive ============================= */
@media(max-width:1020px){
  .hero-grid{gap:40px}
  .cap-grid{gap:20px}
  .dir-grid{grid-template-columns:repeat(2,1fr)}
  .cases,.steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:880px){
  .section{padding:66px 0}
  .hero{padding:6px 0 56px}
  .hero-grid,.factory,.contact-grid{grid-template-columns:1fr}
  .hero-grid{min-height:0;text-align:left}
  .hero-media{order:-1;aspect-ratio:16/10}
  .cap-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:repeat(2,1fr)}
  .pdp{grid-template-columns:1fr;gap:26px}
  .admin-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .fcols{grid-template-columns:1fr 1fr;gap:28px}
  .stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .stat .n{font-size:23px}
  .nav{gap:14px}
  .nav-links{
    display:none;position:absolute;top:74px;left:0;right:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:10px 24px 18px;box-shadow:var(--shadow-md);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-burger{display:flex}
  .factory .fmedia-grid{aspect-ratio:16/10}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  .dir-grid,.cases,.steps{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr}
  .faq summary{padding:15px 17px;font-size:15px}
  .faq details p{padding:0 17px 17px}
  .fcols{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .stats{grid-template-columns:1fr;gap:0;text-align:left}
  .stat{padding:12px 0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .cta{padding:48px 20px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
  .drawer{width:100%}
  .hero-badge{left:12px;right:12px;bottom:12px;padding:12px 14px}
}