/* =========================================================
   Roadsstar — Solar Lighting Manufacturer
   Design System
   ========================================================= */

:root{
  /* Brand */
  --ink:#0A1420;          /* deep night / primary dark   */
  --ink-2:#122031;        /* dark surface                */
  --ink-3:#1C2E43;        /* dark elevated               */
  --slate:#4B5B70;        /* body text secondary         */
  --muted:#7286A0;        /* meta                        */
  --line:#E3E9F1;         /* border                      */
  --line-soft:#EEF2F7;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FC;
  --bg-warm:#FFF8EC;

  --sun:#FFB020;          /* sunlight amber / accent     */
  --sun-hi:#FFC65C;
  --sun-deep:#E8912A;
  --sun-glow:rgba(255,176,32,.20);

  /* Semantic */
  --radius:14px;
  --radius-lg:22px;
  --radius-sm:9px;
  --maxw:1200px;
  --pad:clamp(20px, 5vw, 48px);
  --sec-y:clamp(64px, 8vw, 108px);

  --shadow-sm:0 2px 8px rgba(10,20,32,.05);
  --shadow:0 10px 30px rgba(10,20,32,.08);
  --shadow-lg:0 24px 60px rgba(10,20,32,.14);

  --font:"Inter","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);
  color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{line-height:1.22;margin:0;font-weight:700;letter-spacing:-.02em}
p{margin:0}
button{font-family:inherit}

/* ---------- Icon default size (prevents unstyled SVG blowing up) ---------- */
svg{width:18px;height:18px;flex-shrink:0}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:var(--sec-y)}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--ink);color:#fff}
.grid{display:grid;gap:28px}

/* ---------- Typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sun-deep);margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--sun);border-radius:2px;
}
.section--dark .eyebrow{color:var(--sun-hi)}
.section--dark .eyebrow::before{background:var(--sun)}

.h1{font-size:clamp(38px,5.6vw,66px);font-weight:800;letter-spacing:-.035em}
.h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.03em}
.h3{font-size:clamp(20px,2.2vw,25px);font-weight:700}
.lead{font-size:clamp(16.5px,1.5vw,19px);color:var(--slate);line-height:1.75}
.section--dark .lead{color:#A9B8CC}

.sec-head{max-width:760px;margin-bottom:clamp(38px,4.6vw,60px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:100px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn--sm svg{width:16px;height:16px}

.btn--sun{background:var(--sun);color:#221503;box-shadow:0 8px 22px var(--sun-glow)}
.btn--sun:hover{background:var(--sun-hi);box-shadow:0 14px 30px rgba(255,176,32,.34)}

.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink);background:var(--bg-soft)}

.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--sun);color:#221503}

.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn--outline-light:hover{border-color:var(--sun);color:var(--sun-hi)}

.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}

/* =========================================================
   Header
   ========================================================= */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.hdr.on{
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom-color:var(--line);
  box-shadow:0 2px 20px rgba(10,20,32,.05);
}
.hdr__in{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  height:76px;display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo__mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(145deg,var(--sun),var(--sun-deep));
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(255,176,32,.32);
}
.logo__mark svg{width:20px;height:20px}
.logo__txt{font-size:21px;font-weight:800;letter-spacing:-.03em;line-height:1}
.logo__txt span{color:var(--sun-deep)}
.logo__sub{display:block;font-size:9.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.hdr.on .logo__mark ~ .logo__txt{color:var(--ink)}
.hdr:not(.on) .logo__txt{color:#fff}
.hdr:not(.on) .logo__sub{color:rgba(255,255,255,.62)}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;
  color:inherit;opacity:.9;transition:opacity .2s,background .2s,color .2s;
  position:relative;white-space:nowrap;
}
.hdr:not(.on) .nav a{color:#fff}
.nav a:hover{opacity:1;background:rgba(255,255,255,.09)}
.hdr.on .nav a{color:var(--ink);opacity:.72}
.hdr.on .nav a:hover{opacity:1;background:var(--bg-soft)}
.nav a.active{opacity:1}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--sun);border-radius:2px;
}
.hdr.on .nav a.active{color:var(--ink)}

.nav__cta{margin-left:10px}
.burger{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  background:transparent;border-radius:10px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hdr:not(.on) .burger{border-color:rgba(255,255,255,.28)}
.burger span{display:block;width:18px;height:1.8px;background:currentColor;border-radius:2px}
.hdr:not(.on) .burger span{background:#fff}
.hdr__badge{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  padding:7px 14px;border-radius:100px;white-space:nowrap;flex-shrink:0;
}
.hdr__badge svg{width:15px;height:15px;flex-shrink:0}
.hdr.on .hdr__badge{color:var(--sun-deep);background:var(--bg-warm);border-color:#F6E2BC}

@media (max-width:900px){
  .nav{
    position:fixed;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
    padding:16px var(--pad) 26px;margin:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(10,20,32,.12);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s;
  }
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{color:var(--ink)!important;opacity:1!important;padding:13px 6px;font-size:16px;border-radius:8px}
  .nav a::after{display:none}
  .nav a:hover{background:var(--bg-soft)!important}
  .nav__cta{margin:12px 0 0}
  .nav__cta .btn{width:100%}
  .burger{display:flex}
  .hdr__badge{display:none}
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding-block:clamp(96px,12vw,150px) clamp(70px,9vw,110px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 620px at 82% -6%, rgba(255,176,32,.24), transparent 62%),
    radial-gradient(700px 520px at 6% 8%, rgba(46,110,180,.22), transparent 66%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.28;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);
}
.hero__in{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(36px,5vw,72px);align-items:center}
.hero h1{color:#fff}
.hero .lead{color:#B4C2D4;max-width:34em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14)}
.hero__stats b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--sun-hi);letter-spacing:-.03em;line-height:1.1}
.hero__stats span{font-size:13.5px;color:#93A4BA;letter-spacing:.02em}
.hero__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:100px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#DCE4EF;
}
.tag svg{width:13px;height:13px;flex-shrink:0}

/* hero visual — product collage */
.hero__vis{position:relative}
.hero__collage{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:14px}
.hero__tile{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:#fff;box-shadow:0 24px 60px rgba(0,0,0,.42);
  aspect-ratio:1/1;border:1px solid rgba(255,255,255,.14);
}
.hero__tile img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.hero__tile:hover img{transform:scale(1.06)}
.hero__tile:first-child{transform:translateY(16px)}
.hero__tile:nth-child(4){transform:translateY(-16px)}
.hero__note{
  position:absolute;left:-16px;bottom:-16px;z-index:3;
  background:var(--sun);color:#241602;border-radius:16px;padding:14px 18px;
  box-shadow:0 16px 40px rgba(255,176,32,.36);
}
.hero__note b{display:block;font-size:19px;font-weight:800;letter-spacing:-.02em}
.hero__note span{font-size:12px;font-weight:600;opacity:.75;letter-spacing:.04em;text-transform:uppercase}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:44px}
  .hero__collage{max-width:440px;margin-inline:auto}
  .hero__note{left:auto;right:-8px}
}

/* =========================================================
   Logo strip / trust bar
   ========================================================= */
.trust{background:var(--bg-soft);border-bottom:1px solid var(--line);padding-block:34px}
.trust__in{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.trust__lbl{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.trust__items{display:flex;flex-wrap:wrap;gap:12px}
.cert{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;
  background:#fff;border:1px solid var(--line);border-radius:100px;
  font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink-2);
  box-shadow:var(--shadow-sm);
}
.cert svg{width:15px;height:15px;color:var(--sun-deep)}

/* =========================================================
   Category cards
   ========================================================= */
.cats{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.cat{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.cat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat__fig{position:relative;aspect-ratio:4/3;background:var(--bg-soft);overflow:hidden}
.cat__fig img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.cat:hover .cat__fig img{transform:scale(1.07)}
.cat__fig::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,20,32,.5),transparent 55%);
}
.cat__n{position:absolute;right:12px;top:12px;z-index:2;background:rgba(255,255,255,.92);color:var(--ink);
  font-size:12px;font-weight:700;padding:5px 11px;border-radius:100px;backdrop-filter:blur(6px)}
.cat__b{padding:22px 22px 24px}
.cat__b h3{font-size:19px;margin-bottom:8px}
.cat__b p{font-size:14.5px;color:var(--slate);line-height:1.65}
.cat__more{
  margin-top:16px;display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--sun-deep);
}
.cat__more svg{width:15px;height:15px;transition:transform .25s}
.cat:hover .cat__more svg{transform:translateX(4px)}

/* =========================================================
   Product grid
   ========================================================= */
.pgrid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s;
  position:relative;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.pcard__fig{position:relative;aspect-ratio:1/1;overflow:hidden;background:var(--bg-soft)}
.pcard__fig img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.pcard:hover .pcard__fig img{transform:scale(1.06)}
.pcard__tag{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--sun);color:#241602;font-size:11.5px;font-weight:800;
  padding:5px 10px;border-radius:6px;letter-spacing:.03em;
}
.pcard__zoom{
  position:absolute;inset:auto 12px 12px auto;z-index:2;
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.94);
  display:grid;place-items:center;color:var(--ink);
  opacity:0;transform:translateY(8px);transition:.28s;box-shadow:var(--shadow);
}
.pcard:hover .pcard__zoom{opacity:1;transform:none}
.pcard__zoom svg{width:17px;height:17px}
.pcard__b{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.pcard__sku{font-size:12px;font-weight:700;letter-spacing:.09em;color:var(--muted);text-transform:uppercase}
.pcard__b h3{font-size:15.5px;font-weight:650;line-height:1.45;margin:7px 0 0;letter-spacing:-.01em}
.pcard__meta{margin-top:auto;padding-top:15px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.pcard__meta span{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.pcard__go{font-size:13.5px;font-weight:700;color:var(--sun-deep);display:inline-flex;align-items:center;gap:6px}
.pcard__go svg{width:14px;height:14px}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.fbtn{
  padding:10px 18px;border-radius:100px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--slate);cursor:pointer;transition:.22s;
}
.fbtn:hover{border-color:var(--sun);color:var(--ink)}
.fbtn.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.count-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 20px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:26px;font-size:14.5px;color:var(--slate);
}
.count-bar b{color:var(--ink)}
.empty{display:none;text-align:center;padding:60px 20px;color:var(--muted)}

/* =========================================================
   Factory / about band
   ========================================================= */
.band{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.band__fig{position:relative}
.band__fig > img{border-radius:var(--radius-lg);width:100%;box-shadow:var(--shadow-lg)}
.band__card{
  position:absolute;right:-14px;bottom:-14px;max-width:230px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-lg);
}
.band__card b{display:block;font-size:28px;font-weight:800;color:var(--sun-deep);letter-spacing:-.03em;line-height:1.1}
.band__card span{font-size:13px;color:var(--slate);display:block;margin-top:4px}
@media (max-width:900px){.band{grid-template-columns:1fr}.band__card{right:8px;bottom:-18px}}

.checks{margin-top:26px;display:grid;gap:13px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--slate);line-height:1.6}
.checks svg{width:20px;height:20px;color:var(--sun-deep);flex-shrink:0;margin-top:2px}
.checks b{color:var(--ink);font-weight:650}

/* capability cards */
.caps{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.cap{
  padding:28px 26px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);transition:.3s;
}
.cap:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.cap__ico{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:var(--bg-warm);color:var(--sun-deep);margin-bottom:18px;
}
.cap__ico svg{width:23px;height:23px}
.cap h3{font-size:17.5px;margin-bottom:9px}
.cap p{font-size:14.5px;color:var(--slate);line-height:1.65}

/* dark stat row */
.stats-dark{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:rgba(255,255,255,.1);border-radius:var(--radius-lg);overflow:hidden}
.stat-d{background:var(--ink-2);padding:32px 28px}
.stat-d b{display:block;font-size:clamp(30px,3.4vw,40px);font-weight:800;color:var(--sun-hi);letter-spacing:-.035em;line-height:1}
.stat-d span{display:block;margin-top:8px;font-size:14px;color:#93A4BA}

/* =========================================================
   Applications
   ========================================================= */
.apps{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:200px 200px;gap:14px}
.app{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--ink-3)}
.app img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .8s cubic-bezier(.2,.7,.3,1),opacity .4s}
.app:hover img{transform:scale(1.08);opacity:1}
.app__lbl{
  position:absolute;left:0;right:0;bottom:0;padding:34px 20px 18px;z-index:2;
  background:linear-gradient(to top,rgba(6,14,24,.88),transparent);
  color:#fff;font-size:15.5px;font-weight:700;letter-spacing:-.01em;
}
.app--tall{grid-row:span 2}
@media (max-width:860px){
  .apps{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,180px)}
  .app--tall{grid-row:span 1}
}

/* =========================================================
   Testimonials
   ========================================================= */
.tst{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.tcard{padding:30px 28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);position:relative}
.tcard::before{
  content:"\201C";position:absolute;top:12px;right:22px;font-size:64px;line-height:1;
  color:var(--sun);opacity:.24;font-weight:800;font-family:Georgia,serif;
}
.tcard p{font-size:15.5px;color:var(--slate);line-height:1.72}
.tcard__who{margin-top:22px;padding-top:18px;border-top:1px solid var(--line-soft);display:flex;align-items:center;gap:13px}
.tav{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--ink-2),var(--ink-3));color:var(--sun-hi);
  font-weight:800;font-size:15px;
}
.tcard__who b{display:block;font-size:15px}
.tcard__who span{font-size:13px;color:var(--muted)}
.stars{display:flex;gap:2px;margin-bottom:14px;color:var(--sun)}
.stars svg{width:15px;height:15px}

/* =========================================================
   FAQ
   ========================================================= */
.faq{max-width:860px;margin-inline:auto;display:grid;gap:12px}
.faq__i{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden;transition:border-color .25s}
.faq__i.open{border-color:var(--sun)}
.faq__q{
  width:100%;padding:19px 22px;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16.5px;font-weight:650;text-align:left;color:var(--ink);
}
.faq__q i{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--bg-soft);
  display:grid;place-items:center;transition:transform .3s,background .3s;position:relative;
}
.faq__q i::before,.faq__q i::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:.3s;
}
.faq__q i::before{width:11px;height:1.8px}
.faq__q i::after{width:1.8px;height:11px}
.faq__i.open .faq__q i{background:var(--sun);transform:rotate(180deg)}
.faq__i.open .faq__q i::after{opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.2,.7,.3,1)}
.faq__a > div{padding:0 22px 20px;font-size:15.5px;color:var(--slate);line-height:1.78}

/* =========================================================
   CTA
   ========================================================= */
.cta{
  position:relative;overflow:hidden;border-radius:26px;
  background:linear-gradient(125deg,#0A1420 8%,#16283C 55%,#24384B 100%);
  color:#fff;padding:clamp(42px,5.5vw,70px);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 400px at 88% 12%,rgba(255,176,32,.26),transparent 62%),
             radial-gradient(520px 340px at 2% 96%,rgba(46,110,180,.24),transparent 62%);
}
.cta__in{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center}
.cta h2{color:#fff;font-size:clamp(26px,3.2vw,38px)}
.cta p{color:#A9B8CC;margin-top:14px;font-size:16.5px}
.cta__acts{display:flex;flex-direction:column;gap:12px}
.cta__acts .btn{width:100%}
@media (max-width:820px){.cta__in{grid-template-columns:1fr}}

/* =========================================================
   Footer
   ========================================================= */
.ftr{background:var(--ink);color:#96A7BC;padding-block:clamp(52px,6vw,76px) 26px;font-size:15px}
.ftr__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px}
.ftr h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;font-weight:700}
.ftr ul{display:grid;gap:11px}
.ftr ul a{color:#96A7BC;transition:color .2s}
.ftr ul a:hover{color:var(--sun-hi)}
.ftr__about p{color:#8E9FB4;line-height:1.75;margin-top:16px;font-size:14.5px;max-width:36em}
.ftr__logo{margin-bottom:2px}
.ftr__logo .logo__txt{color:#fff}
.ftr__logo .logo__sub{color:#7C8DA3}
.ftr__ct{display:grid;gap:13px}
.ftr__ct a{display:flex;gap:11px;align-items:flex-start;color:#AFBECE;font-size:14.5px;line-height:1.6}
.ftr__ct a:hover{color:var(--sun-hi)}
.ftr__ct svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--sun)}
.ftr__bot{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#7385 9A;
  color:#73859A;
}
@media (max-width:900px){.ftr__top{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:560px){.ftr__top{grid-template-columns:1fr}}

/* =========================================================
   Page hero (inner pages)
   ========================================================= */
.phero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding-block:clamp(120px,13vw,168px) clamp(52px,6.5vw,80px);
}
.phero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 460px at 78% 0%,rgba(255,176,32,.2),transparent 60%),
             radial-gradient(600px 420px at 4% 12%,rgba(46,110,180,.2),transparent 62%);
}
.phero::after{
  content:"";position:absolute;inset:0;opacity:.3;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 30%,#000,transparent);
}
.phero__in{position:relative;z-index:2;max-width:780px}
.phero h1{color:#fff;font-size:clamp(34px,4.6vw,54px)}
.phero p{color:#A9B8CC;margin-top:18px;font-size:clamp(16px,1.5vw,18.5px);line-height:1.72}

.crumbs{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#8FA1B6;margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:#B9C6D6}
.crumbs a:hover{color:var(--sun-hi)}
.crumbs svg{width:13px;height:13px;opacity:.6}

/* =========================================================
   Product detail
   ========================================================= */
.pdp{padding-block:clamp(40px,5vw,64px) var(--sec-y)}
.pdp__top{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,4.4vw,64px);align-items:start}
.gal{display:grid;gap:12px}
.gal__main{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg-soft);
  aspect-ratio:1/1;cursor:zoom-in;position:relative;
}
.gal__main img{width:100%;height:100%;object-fit:contain;padding:16px;background:#fff}
.gal__thumbs{display:flex;gap:10px;flex-wrap:wrap}
.gal__thumbs button{
  width:76px;height:76px;padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:#fff;cursor:pointer;transition:.22s;flex-shrink:0;
}
.gal__thumbs button:hover{border-color:var(--sun)}
.gal__thumbs button.on{border-color:var(--sun);box-shadow:0 0 0 2px var(--sun-glow)}
.gal__thumbs img{width:100%;height:100%;object-fit:cover}

.pdp__sku{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--sun-deep);background:var(--bg-warm);border:1px solid #F6E2BC;
  padding:6px 12px;border-radius:6px;
}
.pdp__t{font-size:clamp(24px,2.9vw,34px);font-weight:800;letter-spacing:-.03em;margin-top:16px}
.pdp__lead{margin-top:16px;color:var(--slate);font-size:16.5px;line-height:1.75}
.pdp__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pdp__acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;padding-top:26px;border-top:1px solid var(--line)}
.pdp__note{margin-top:18px;font-size:13.5px;color:var(--muted);display:flex;gap:8px;align-items:center}
.pdp__note svg{width:15px;height:15px;flex-shrink:0;color:var(--sun-deep)}

.spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:34px}
.spec__i{background:#fff;padding:20px 22px}
.spec__i dt{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.spec__i dd{margin:6px 0 0;font-size:15.5px;font-weight:600;color:var(--ink)}

.pdp__sec{margin-top:clamp(44px,5vw,64px)}
.pdp__sec h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:22px}
.pdp__sec .sec-head{margin-bottom:0}
.prose{color:var(--slate);font-size:16px;line-height:1.85;max-width:74ch}
.prose p+p{margin-top:14px}
.prose ul{margin-top:14px;display:grid;gap:10px}
.prose li{padding-left:26px;position:relative}
.prose li::before{content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--sun)}

.pdp__gallery{margin-top:26px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.pdp__gallery figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.pdp__gallery img{width:100%;aspect-ratio:1/1;object-fit:cover;cursor:zoom-in}

@media (max-width:900px){.pdp__top{grid-template-columns:1fr}}

/* =========================================================
   Contact
   ========================================================= */
.contact{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,4.5vw,64px);align-items:start}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(24px,3vw,38px);box-shadow:var(--shadow)}
.frow{display:grid;gap:16px;grid-template-columns:1fr 1fr;margin-bottom:16px}
.frow.one{grid-template-columns:1fr}
.field label{display:block;font-size:13.5px;font-weight:650;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;color:var(--ink);background:#fff;transition:.22s;
}
.field input::placeholder,.field textarea::placeholder{color:#A6B2C2}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--sun);box-shadow:0 0 0 3px var(--sun-glow);
}
.field textarea{min-height:132px;resize:vertical}
.form__note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.65}
.wa-inline{color:var(--sun-deep);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.wa-inline svg{width:15px;height:15px;color:#25D366}
.form__ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:10px;
  background:#EAF7EE;border:1px solid #B7E3C4;color:#1F6B3A;font-size:14.5px;font-weight:600;
}
.form__ok.show{display:block}

.cinfo{display:grid;gap:14px}
.cinfo__c{
  display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  transition:.28s;
}
.cinfo__c:hover{transform:translateX(4px);border-color:var(--sun)}
.cinfo__ico{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  background:var(--bg-warm);color:var(--sun-deep);
}
.cinfo__ico svg{width:21px;height:21px}
.cinfo__c b{display:block;font-size:14px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:700}
.cinfo__c p,.cinfo__c a{display:block;margin-top:5px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
.cinfo__c a:hover{color:var(--sun-deep)}
.cinfo__c span.hl{color:var(--sun-deep)}
@media (max-width:900px){
  .contact{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
}

/* process */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:0}
.step{position:relative;padding:0 24px 0 0}
.step:not(:last-child)::after{
  content:"";position:absolute;right:0;top:26px;width:1px;height:calc(100% - 46px);background:var(--line);
}
.step__n{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--ink);color:var(--sun-hi);font-weight:800;font-size:15px;margin-bottom:16px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--slate);line-height:1.65}
@media (max-width:860px){
  .steps{gap:26px}
  .step:not(:last-child)::after{display:none}
}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:15.5px}
.tbl th,.tbl td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;background:var(--bg-soft)}
.tbl td{color:var(--slate)}
.tbl td:first-child{color:var(--ink);font-weight:600}
.tbl tbody tr:hover{background:var(--bg-soft)}
.tbl-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl-scroll{overflow-x:auto}

/* reveal animation */
[data-rv]{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
[data-rv].in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  [data-rv]{opacity:1;transform:none}
}

/* lightbox */
.lb{
  position:fixed;inset:0;z-index:200;background:rgba(6,12,20,.93);
  display:none;align-items:center;justify-content:center;padding:5vh 5vw;
  backdrop-filter:blur(4px);
}
.lb.open{display:flex}
.lb img{max-width:100%;max-height:90vh;object-fit:contain;border-radius:8px}
.lb__x{
  position:absolute;top:22px;right:24px;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;
  display:grid;place-items:center;cursor:pointer;font-size:22px;line-height:1;transition:.2s;
}
.lb__x:hover{background:var(--sun);color:#241602;border-color:var(--sun)}
.lb__cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#C9D4E2;font-size:14px}

/* floating quick contact (mobile) */
.qfloat{
  position:fixed;right:16px;bottom:16px;z-index:90;display:none;flex-direction:column;gap:10px;
}
.qfloat a{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(10,20,32,.28);color:#fff;
}
.qfloat a svg{width:24px;height:24px}
.qfloat .wa{background:#25D366}
@media (max-width:760px){.qfloat{display:flex}}