/* ===========================================================================
   RONEGN — premium power technology brand site
   Design language: Apple product launch · Anker engineering clarity · Xiaomi
   simplicity. White / light gray / deep navy dominant, product blue as accent.
   =========================================================================== */

:root{
  --navy:#172B50;          /* deep navy */
  --navy-700:#1F3A66;
  --product:#2C3E78;       /* actual product blue */
  --product-600:#34468C;   /* lighter product accent */
  --soft-blue:#EAF0F8;
  --near-black:#111111;
  --white:#FFFFFF;
  --soft-gray:#F6F7F9;
  --line:#E7EAF0;
  --gray:#6B7280;
  --gray-2:#9AA1AD;
  --ink:#141821;

  --maxw:1200px;
  --pad:clamp(20px,5vw,64px);
  --radius:16px;
  --shadow-sm:0 1px 2px rgba(20,24,33,.05), 0 8px 24px rgba(20,24,33,.05);
  --shadow-md:0 24px 60px rgba(20,32,64,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"Inter","SF Pro Display","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--white);
  line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-feature-settings:"cv11","ss01";letter-spacing:-0.01em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:640;line-height:1.05;letter-spacing:-0.03em;color:var(--near-black)}
p{margin:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{
  font-size:12.5px;font-weight:650;letter-spacing:.16em;text-transform:uppercase;
  color:var(--product-600);
}
.muted{color:var(--gray)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;justify-content:center;
  font-size:15px;font-weight:600;letter-spacing:-0.01em;padding:13px 24px;border-radius:100px;
  border:1px solid transparent;cursor:pointer;transition:.25s var(--ease);white-space:nowrap;
}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 10px 24px rgba(23,43,80,.16)}
.btn-primary:hover{background:#0e2144;transform:translateY(-2px);box-shadow:0 18px 34px rgba(23,43,80,.26)}
.btn-ghost{background:transparent;color:var(--near-black);border-color:rgba(23,43,80,.28)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--soft-blue)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ===========================================================================
   Header
   =========================================================================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(23,43,80,.07);transition:border-color .3s,background .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.88)}
.nav{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;font-size:19px;color:var(--near-black)}
.brand .logo{width:26px;height:26px}
.brand b{font-weight:750;letter-spacing:.06em}
.nav-center{display:flex;gap:6px;margin:0 auto}
.nav-center a{
  font-size:14.5px;font-weight:500;color:#2a2f3a;padding:8px 14px;border-radius:8px;transition:.2s;
}
.nav-center a:hover{color:var(--near-black);background:var(--soft-gray)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-icon{width:20px;height:20px;color:#3a3f4a;cursor:pointer;transition:.2s}
.nav-icon:hover{color:var(--near-black)}
.nav-cta{margin-left:4px}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:6px}
.menu-btn svg{width:24px;height:24px}

.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-nav a{display:block;padding:15px var(--pad);font-size:16px;font-weight:500;border-bottom:1px solid var(--soft-gray)}

/* ===========================================================================
   Hero — full-width brand banner
   =========================================================================== */
.hero{position:relative}
.hero-banner{position:relative;overflow:hidden;background:#cfe0f2}
.hero-banner-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:15% 70%;z-index:0;
}
/* The background photo is light and airy, so the copy reads in DARK ink with
   NO overlay tinting the image. The only layer kept is a faint bottom fade that
   dissolves the photo's hard edge into the value bar below — it does not touch
   the copy area. The photo itself is never altered. */
.hero-banner::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    /* dissolve the photo's bottom edge into the value bar's light tone — no hard seam */
    linear-gradient(180deg,rgba(237,243,251,0) 86%,rgba(237,243,251,.5) 94%,rgba(237,243,251,.96) 100%);
}
.hero-inner{
  position:relative;z-index:2;min-height:clamp(480px,74vh,720px);
  display:flex;align-items:center;justify-content:flex-end;
  padding-block:clamp(40px,8vh,88px);
}
/* Copy block sits a touch below centre, giving the eyebrow room to breathe */
.hero-copy{max-width:440px;text-align:left;margin-top:6%}
/* eyebrow — restrained mid-grey label, small, tracked out */
.hero .eyebrow{
  color:#5a6478;font-size:11.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;
}
/* headline — deep navy, geometric Inter, uniform semibold weight; size + white
   space carry the presence, not weight */
.hero h1{
  font-size:clamp(33px,4.3vw,54px);line-height:1.04;margin:18px 0 22px;
  font-weight:600;letter-spacing:-0.035em;color:var(--navy);max-width:10ch;
}
.hero h1 .grad{
  color:var(--navy);-webkit-text-fill-color:var(--navy);
}
/* body — neutral deep grey, comfortable line-height, ~45ch measure */
.hero-sub{
  font-size:clamp(15px,1.1vw,16px);color:#4b5563;max-width:44ch;
  line-height:1.6;font-weight:400;
}
/* Refined hard-parameter cluster: navy tabular numbers, quiet grey labels */
.hero-stats{
  list-style:none;display:flex;gap:clamp(22px,3vw,40px);margin:32px 0 0;padding:0;
}
.hero-stats li{display:flex;flex-direction:column;gap:5px}
.hero-stats b{
  font-size:clamp(20px,2vw,26px);font-weight:700;letter-spacing:-0.03em;
  color:var(--navy);line-height:1;font-variant-numeric:tabular-nums;
}
.hero-stats b small{
  font-size:.42em;font-weight:600;letter-spacing:0;color:#8590a3;margin-left:2px;
}
.hero-stats span{
  font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:#6b7280;
}
.hero-cta{display:flex;gap:20px;margin-top:36px;flex-wrap:wrap}
.hero-cta .btn{font-size:14px;padding:12px 24px}
.hero-cta .btn-ghost{
  color:var(--navy);border-color:rgba(23,43,80,.4);background:transparent;
}
.hero-cta .btn-ghost:hover{
  border-color:var(--navy);color:var(--navy);background:rgba(23,43,80,.05);
}

/* ===========================================================================
   Value proposition bar
   =========================================================================== */
.valuebar{border:0;background:linear-gradient(180deg,#edf3fb 0%,#f7f9fc 46%,#fff 100%)}
.valuebar .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.6vw,40px);
  padding-block:clamp(30px,4vw,52px)}
.vitem{padding:6px 4px;border:0}
.vitem:first-child{border-left:0}
.vitem .ic{width:26px;height:26px;color:var(--product-600);margin-bottom:12px}
.vitem b{display:block;font-size:14px;font-weight:650;letter-spacing:.02em;text-transform:uppercase;color:var(--near-black)}
.vitem span{font-size:14px;color:var(--gray);line-height:1.5}

/* ===========================================================================
   Sections generic
   =========================================================================== */
.section{padding-block:clamp(64px,9vw,120px)}
.section.tint{background:var(--soft-gray)}
.section.dark{background:var(--navy);color:#fff}
.section.dark h2,.section.dark h3{color:#fff}
.section-head{max-width:640px;margin:0 auto 52px;text-align:center}
.section-head h2{font-size:clamp(30px,4.2vw,52px);margin:14px 0 0;letter-spacing:-0.035em}
.section-head p{margin-top:16px;font-size:17px;color:var(--gray)}
.section.dark .section-head p{color:#aeb8cc}

/* ---------- "Everything built in" callout ---------- */
.callout{display:grid;grid-template-columns:1fr;gap:0}
.callout-stage{position:relative;display:flex;justify-content:center;align-items:center;padding:20px 0}
.callout-stage img{width:min(92%,720px);filter:drop-shadow(0 40px 60px rgba(23,43,80,.22))}
.callout-stage.pic{padding:0}
.callout-stage.pic img{
  width:min(100%,840px);filter:none;border-radius:22px;border:1px solid var(--line);
  box-shadow:var(--shadow-md);
}

/* ---------- A+ showcase grid ---------- */
.showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.shot{margin:0;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-sm);transition:.3s var(--ease)}
.shot:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.shot img{width:100%;height:100%;object-fit:cover;display:block}
.spec-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px;
}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:.3s var(--ease);
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.spec-card .n{font-size:12px;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--product-600)}
.spec-card h4{font-size:19px;margin:10px 0 8px}
.spec-card p{font-size:14.5px;color:var(--gray);line-height:1.55}

/* ---------- split feature rows ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.feature+.feature{margin-top:clamp(56px,8vw,110px)}
.feature.rev .f-media{order:2}
.f-media{position:relative;display:flex;justify-content:center;align-items:center;
  background:radial-gradient(90% 90% at 50% 40%,var(--soft-blue),#fff 72%);
  border-radius:24px;padding:clamp(24px,4vw,56px);min-height:340px;overflow:hidden}
.f-media img{width:min(88%,440px);filter:drop-shadow(0 30px 46px rgba(23,43,80,.22))}
.f-copy .eyebrow{margin-bottom:14px}
.f-copy h3{font-size:clamp(26px,3.2vw,40px);letter-spacing:-0.03em}
.f-copy p{margin-top:16px;font-size:16.5px;color:#424855;line-height:1.62;max-width:460px}
.f-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.f-list li{display:flex;gap:11px;font-size:15px;color:#2c323d;align-items:flex-start}
.f-list svg{width:19px;height:19px;color:var(--product-600);flex:0 0 auto;margin-top:1px}

/* ---------- big spec strip (dark) ---------- */
.specstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.specstrip .s{padding:6px 0}
.specstrip .s b{display:block;font-size:clamp(34px,4.4vw,52px);font-weight:680;letter-spacing:-0.04em;
  background:linear-gradient(120deg,#fff,#9fb4e6);-webkit-background-clip:text;background-clip:text;color:transparent}
.specstrip .s span{display:block;margin-top:6px;font-size:14px;color:#9fabc4;letter-spacing:.01em}

/* ---------- colors ---------- */
.colors{display:flex;gap:clamp(20px,4vw,56px);align-items:center;flex-wrap:wrap;justify-content:center}
.color-stage{flex:1 1 320px;min-width:280px;display:flex;justify-content:center;
  background:radial-gradient(80% 80% at 50% 45%,var(--soft-blue),#fff 74%);border-radius:24px;padding:36px}
.color-stage img{width:min(84%,400px);filter:drop-shadow(0 30px 46px rgba(23,43,80,.22))}
.color-pick{flex:1 1 300px;max-width:380px}
.swatches{display:flex;gap:12px;margin-top:20px}
.sw{width:44px;height:44px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer;transition:.2s}
.sw:hover{transform:scale(1.08)}
.sw.active{box-shadow:0 0 0 2px var(--near-black)}

/* ---------- specs table ---------- */
.spectable{max-width:820px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.spectable .row{display:grid;grid-template-columns:38% 62%;border-top:1px solid var(--line)}
.spectable .row:first-child{border-top:0}
.spectable .k{padding:16px 22px;font-size:14px;font-weight:600;color:var(--gray);background:var(--soft-gray)}
.spectable .v{padding:16px 22px;font-size:14.5px;color:var(--near-black)}

/* ---------- spec comparison (two capacities) ---------- */
.spec-compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec-compare{max-width:940px;min-width:640px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:#fff}
.sc-row{display:grid;grid-template-columns:32% 34% 34%;border-top:1px solid var(--line)}
.sc-row:first-child{border-top:0}
.sc-label{padding:16px 22px;font-size:14px;font-weight:600;color:var(--gray);background:var(--soft-gray);
  display:flex;align-items:center}
.sc-col{padding:16px 22px;font-size:14.5px;color:var(--near-black);display:flex;flex-direction:column;justify-content:center;gap:2px}
.sc-col.feat{background:var(--soft-blue)}
.sc-head{align-items:stretch}
.sc-head .sc-label{background:#fff}
.sc-head .sc-col{padding:24px 22px;align-items:flex-start;position:relative}
.sc-head .cap{font-size:26px;font-weight:700;letter-spacing:-0.03em;color:var(--navy)}
.sc-head .mdl{font-size:13px;color:var(--gray);margin-top:2px}
.sc-head .tag{align-self:flex-start;background:var(--navy);color:#fff;font-size:10.5px;font-weight:600;
  letter-spacing:.05em;text-transform:uppercase;padding:4px 9px;border-radius:999px;margin-bottom:8px}
.sc-buy{margin-top:12px;font-size:13px;font-weight:600;color:var(--product-600)}
.sc-buy:hover{color:var(--navy)}

/* ---------- CTA band ---------- */
.ctaband{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy),#243f70);color:#fff;border-radius:28px;
  padding:clamp(48px,7vw,88px) clamp(28px,5vw,56px);text-align:center}
.ctaband h2{color:#fff;font-size:clamp(28px,3.6vw,46px)}
.ctaband p{margin:14px auto 0;color:#c3cde3;font-size:16.5px;max-width:520px}

/* ===========================================================================
   Footer
   =========================================================================== */
.site-footer{background:#0d1730;color:#aeb8cc;padding-block:60px 34px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand .brand{color:#fff}
.foot-brand p{margin-top:14px;font-size:14px;color:#8c98b4;max-width:280px}
.foot-col h5{color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px;font-weight:600}
.foot-col a{display:block;font-size:14px;color:#9aa6c0;padding:5px 0;transition:.2s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7b88a4}

/* ===========================================================================
   Subpage / content
   =========================================================================== */
.page-hero{background:linear-gradient(180deg,var(--soft-blue),#fff);padding-block:clamp(56px,8vw,96px) clamp(40px,6vw,64px)}
.page-hero h1{font-size:clamp(34px,5vw,58px)}
.page-hero p{margin-top:16px;font-size:18px;color:#424855;max-width:620px}
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:26px;margin:40px 0 12px}
.prose h3{font-size:19px;margin:28px 0 8px}
.prose p{margin:12px 0;font-size:16.5px;color:#333a46;line-height:1.7}
.prose ul{margin:12px 0;padding-left:20px;color:#333a46;font-size:16px;line-height:1.7}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:12px}
.tech-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.tech-card .ic{width:28px;height:28px;color:var(--product-600);margin-bottom:14px}
.tech-card h4{font-size:18px;margin-bottom:8px}
.tech-card p{font-size:14.5px;color:var(--gray);line-height:1.55}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:14px;
  overflow:hidden;transition:.25s var(--ease)}
.faq-item[open]{border-color:var(--product-600);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--near-black);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;transition:.3s var(--ease)}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--product-600);border-radius:2px}
.faq-item summary .plus::before{top:10px;left:2px;right:2px;height:2px}
.faq-item summary .plus::after{left:10px;top:2px;bottom:2px;width:2px;transition:.3s var(--ease)}
.faq-item[open] summary .plus{transform:rotate(90deg)}
.faq-item[open] summary .plus::after{opacity:0}
.faq-item .faq-a{padding:0 22px 22px;color:#3a4150;font-size:15.5px;line-height:1.66;max-width:660px}
.faq-item .faq-a a{color:var(--product-600);font-weight:600}

/* ---------- support / contact email card ---------- */
.support-card{max-width:820px;margin:44px auto 0;background:linear-gradient(120deg,var(--navy),#243f70);
  color:#fff;border-radius:20px;padding:clamp(30px,5vw,48px);text-align:center}
.support-card h3{color:#fff;font-size:clamp(22px,3vw,30px)}
.support-card p{margin:12px auto 0;color:#c3cde3;font-size:16px;max-width:520px}
.support-card .mail{display:inline-flex;align-items:center;gap:10px;margin-top:22px;
  background:#fff;color:var(--navy);font-weight:650;font-size:17px;padding:14px 26px;border-radius:100px;transition:.2s}
.support-card .mail:hover{background:var(--soft-blue)}
.support-card .mail svg{width:20px;height:20px}

/* ---------- contact form ---------- */
.form-card{max-width:620px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#333a46;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font-size:15px;
  font-family:inherit;color:var(--near-black);background:#fff;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--product-600);box-shadow:0 0 0 3px rgba(52,70,140,.12)}
.field textarea{resize:vertical;min-height:130px}
.hp{position:absolute;left:-9999px;opacity:0}
.form-note{font-size:13px;color:var(--gray);margin-top:10px}
.form-status{margin-top:16px;font-size:14.5px;font-weight:500;display:none}
.form-status.ok{display:block;color:#146c43}
.form-status.err{display:block;color:#b42318}

/* ===========================================================================
   Product detail page (PDP)
   Structure modelled on a modern Anker product page: sticky sub-tab nav,
   two-column gallery + purchase panel, overview feature rows, specs, FAQ.
   =========================================================================== */
.subtab{
  position:sticky;top:64px;z-index:40;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.subtab .wrap{display:flex;gap:6px;height:52px;align-items:center;overflow-x:auto;-webkit-overflow-scrolling:touch}
.subtab a{
  font-size:14px;font-weight:550;color:#4a5160;padding:7px 14px;border-radius:8px;
  white-space:nowrap;transition:.2s;
}
.subtab a:hover{color:var(--near-black);background:var(--soft-gray)}

.pdp-top{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,64px);
  align-items:start;padding-block:clamp(30px,4vw,56px);
}
/* ---- gallery ---- */
.pdp-gallery{position:sticky;top:132px}
.pdp-stage{
  position:relative;display:flex;justify-content:center;align-items:center;
  background:radial-gradient(85% 85% at 50% 42%,var(--soft-blue),#fff 74%);
  border:1px solid var(--line);border-radius:24px;padding:clamp(28px,5vw,60px);
  min-height:clamp(320px,42vw,520px);overflow:hidden;
}
.pdp-stage img{width:min(82%,440px);filter:drop-shadow(0 34px 50px rgba(23,43,80,.22));transition:opacity .3s var(--ease)}
.pdp-stage.aplus img{width:100%;max-width:100%;filter:none;border-radius:12px}
.pdp-thumbs{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.pdp-thumb{
  width:74px;height:74px;border:1px solid var(--line);border-radius:14px;background:#fff;
  display:flex;align-items:center;justify-content:center;padding:8px;cursor:pointer;
  transition:.2s var(--ease);overflow:hidden;
}
.pdp-thumb img{width:100%;height:100%;object-fit:contain}
.pdp-thumb:hover{border-color:var(--product-600);transform:translateY(-2px)}
.pdp-thumb.active{border-color:var(--navy);box-shadow:0 0 0 1px var(--navy)}

/* ---- purchase panel ---- */
.pdp-badge{
  display:inline-block;background:var(--soft-blue);color:var(--navy);font-size:11px;font-weight:650;
  letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px;margin-bottom:16px;
}
.pdp-title{font-size:clamp(26px,3.2vw,38px);letter-spacing:-0.03em;line-height:1.08}
.pdp-rating{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:14px;color:var(--gray)}
.pdp-stars{display:inline-flex;gap:2px;color:#f5a623}
.pdp-stars svg{width:17px;height:17px}
.pdp-price{display:flex;align-items:baseline;gap:12px;margin-top:20px}
.pdp-price .now{font-size:32px;font-weight:720;letter-spacing:-0.03em;color:var(--near-black)}
.pdp-price .was{font-size:18px;color:var(--gray-2);text-decoration:line-through}
.pdp-price .save{font-size:12.5px;font-weight:650;color:#146c43;background:#e7f6ec;padding:4px 9px;border-radius:999px}
.pdp-keys{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:11px}
.pdp-keys li{display:flex;gap:11px;font-size:15px;color:#2c323d;align-items:flex-start}
.pdp-keys svg{width:19px;height:19px;color:var(--product-600);flex:0 0 auto;margin-top:1px}
.pdp-opt{margin-top:26px}
.pdp-opt .lbl{font-size:13px;font-weight:600;color:#333a46}
.pdp-opt .lbl b{font-weight:650;color:var(--near-black);margin-left:6px}
.pdp-swatches{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.pdp-buy{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.pdp-buy .btn{flex:1 1 auto;min-width:180px}
.pdp-trust{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px;
  padding-top:24px;border-top:1px solid var(--line);
}
.pdp-trust .t{display:flex;flex-direction:column;gap:7px;font-size:12.5px;color:var(--gray);line-height:1.4}
.pdp-trust .t svg{width:22px;height:22px;color:var(--product-600)}
.pdp-trust .t b{font-size:13px;color:var(--near-black);font-weight:600}

@media (max-width:900px){
  .pdp-top{grid-template-columns:1fr;gap:26px}
  .pdp-gallery{position:static;top:auto}
}
@media (max-width:560px){
  .subtab{top:56px}
  .pdp-trust{grid-template-columns:1fr;gap:16px}
  .pdp-trust .t{flex-direction:row;align-items:center;gap:12px}
  .pdp-buy .btn{flex:1 1 100%}
}

/* ===========================================================================
   Reveal-on-scroll
   =========================================================================== */
/* Progressive enhancement: reveals only hide when JS is active (html.js).
   Without JS, content stays fully visible. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ===========================================================================
   Responsive
   =========================================================================== */
@media (max-width:960px){
  .nav-center{display:none}
  .nav-cta{display:none}
  .menu-btn{display:block}
  .valuebar .grid{grid-template-columns:1fr 1fr}
  .vitem:nth-child(odd){border-left:0}
  .vitem:nth-child(3),.vitem:nth-child(4){border-top:0}
  .feature,.feature.rev{grid-template-columns:1fr}
  .feature.rev .f-media{order:0}
  .spec-cards{grid-template-columns:1fr}
  .specstrip{grid-template-columns:1fr 1fr;gap:30px 20px}
  .showcase{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .tech-grid{grid-template-columns:1fr}
}
/* Hero: stack the banner above the copy on tablets/phones so nothing is cropped */
@media (max-width:820px){
  .hero-banner{background:#e6f0fb}
  .hero-banner-img{position:relative;height:auto;aspect-ratio:1959/803;object-position:center}
  .hero-banner::after{display:none}
  .hero-inner{position:static;min-height:0;justify-content:center;padding-block:34px 10px}
  /* Copy now sits on a light background below the photo — restore dark ink */
  .hero-copy{max-width:600px;text-align:center;margin-top:0}
  .hero .eyebrow{color:#5a6478}
  .hero h1{color:var(--navy);max-width:none}
  .hero h1 .grad{color:var(--navy);-webkit-text-fill-color:var(--navy)}
  .hero-sub{margin-inline:auto;color:#4a5568}
  .hero-stats{justify-content:center}
  .hero-stats b{color:var(--navy)}
  .hero-stats b small{color:#7a869c}
  .hero-stats span{color:#8390a6}
  .hero-cta{justify-content:center}
  .hero-cta .btn-ghost{color:var(--near-black);border-color:rgba(23,43,80,.32);background:transparent}
  .hero-cta .btn-ghost:hover{border-color:var(--navy);color:var(--navy);background:transparent}
}
@media (max-width:560px){
  .valuebar .grid{grid-template-columns:1fr}
  .vitem{border-left:0;border-top:0}
  .vitem:first-child{border-top:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .spectable .row{grid-template-columns:1fr}
  .spectable .k{background:var(--soft-gray)}
}