/* ============================================================
   Wichii — Bluetooth Vape Solution Factory
   Design system · dark tech + teal accent (#00BFA5)
   ============================================================ */

:root{
  --bg:#080B0F;
  --bg-2:#0D1218;
  --bg-3:#121A22;
  --card:#101820;
  --card-2:#16202B;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --txt:#E8EEF4;
  --txt-2:#9AAAB9;
  --txt-3:#67788A;
  --acc:#00BFA5;
  --acc-2:#00E0BF;
  --acc-dim:rgba(0,191,165,.13);
  --amber:#FFB020;
  --violet:#7C5CFF;
  --maxw:1240px;
  --radius:16px;
  --radius-s:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:"Inter","Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.sec{padding:104px 0;position:relative}
.sec-alt{background:var(--bg-2)}
.sec-tight{padding:72px 0}

/* ---------- typography ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--acc);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--acc);opacity:.6}
h1,h2,h3,h4{line-height:1.14;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(38px,5.4vw,64px)}
h2{font-size:clamp(30px,3.6vw,44px)}
h3{font-size:clamp(19px,2vw,25px)}
h4{font-size:17px}
.lead{font-size:17.5px;color:var(--txt-2);max-width:660px;line-height:1.75}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:100px;
  font-size:14.5px;font-weight:650;letter-spacing:.01em;
  transition:all .28s var(--ease);cursor:pointer;border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{background:var(--acc);color:#04231E;box-shadow:0 6px 22px rgba(0,191,165,.26)}
.btn-primary:hover{background:var(--acc-2);transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,191,165,.36)}
.btn-ghost{border-color:var(--line-2);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc);background:var(--acc-dim)}
.btn-sm{padding:10px 20px;font-size:13.5px}

/* ---------- header ---------- */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(8,11,15,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;transition:all .3s var(--ease);
}
.hdr.scrolled{background:rgba(8,11,15,.94);border-bottom-color:var(--line)}
.hdr-in{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:72px;display:flex;align-items:center;gap:36px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(145deg,var(--acc),#00806F);
  display:grid;place-items:center;font-weight:800;font-size:16px;color:#04231E;
}
.logo-tx{font-size:19px;font-weight:750;letter-spacing:.03em}
.logo-tx span{color:var(--acc)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{
  padding:8px 14px;border-radius:8px;font-size:14.5px;font-weight:550;color:var(--txt-2);
  transition:all .22s var(--ease);position:relative;
}
.nav a:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.nav a.on{color:var(--acc)}
.nav a.on::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--acc);border-radius:2px;
}
.hdr-cta{flex-shrink:0}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);
  border-radius:9px;background:none;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger i{display:block;width:18px;height:1.5px;background:var(--txt);transition:all .25s}
.mnav{display:none;position:fixed;inset:72px 0 0;background:var(--bg);z-index:190;padding:28px;overflow-y:auto}
.mnav.open{display:block}
.mnav a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:17px;font-weight:600}
.mnav a.on{color:var(--acc)}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;
  padding:140px 0 80px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 620px at 72% 42%,rgba(0,191,165,.16),transparent 62%),
    radial-gradient(700px 500px at 18% 78%,rgba(124,92,255,.11),transparent 65%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
}
.hero-grid{
  position:absolute;inset:0;z-index:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 45%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 45%,#000,transparent);
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--acc)}
.hero .lead{font-size:18.5px;margin-bottom:34px;max-width:580px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;max-width:620px}
.hero-stat{background:rgba(16,24,32,.72);padding:20px 18px}
.hero-stat b{display:block;font-size:23px;font-weight:750;color:var(--acc);letter-spacing:-.02em;line-height:1.2}
.hero-stat span{font-size:11px;color:var(--txt-3);text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.hero-vis{position:relative;display:grid;place-items:center;min-height:460px}
.hero-glow{position:absolute;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,191,165,.24),transparent 66%);filter:blur(28px)}
.hero-vis img{position:relative;z-index:2;max-height:520px;width:auto;
  filter:drop-shadow(0 26px 60px rgba(0,0,0,.62))}
.hero-chips{position:absolute;z-index:3;display:flex;flex-direction:column;gap:10px;right:-6px;top:14%}
.chip{
  background:rgba(13,18,24,.88);border:1px solid var(--line-2);border-radius:100px;
  padding:8px 15px;font-size:12px;font-weight:650;color:var(--txt-2);
  backdrop-filter:blur(10px);display:flex;align-items:center;gap:8px;white-space:nowrap;
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--acc);flex-shrink:0}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:100px;
  font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  border:1px solid var(--line-2);color:var(--txt-2);background:rgba(255,255,255,.03);
}
.badge-acc{color:var(--acc);border-color:rgba(0,191,165,.4);background:var(--acc-dim)}
.badge-amber{color:var(--amber);border-color:rgba(255,176,32,.38);background:rgba(255,176,32,.1)}
.badge-violet{color:var(--violet);border-color:rgba(124,92,255,.4);background:rgba(124,92,255,.11)}
.badges{display:flex;flex-wrap:wrap;gap:9px}

/* ---------- cards ---------- */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:all .3s var(--ease);position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--card-2)}
.card-ic{
  width:46px;height:46px;border-radius:11px;background:var(--acc-dim);
  display:grid;place-items:center;margin-bottom:18px;color:var(--acc);
}
.card-ic svg{width:22px;height:22px}
.card h4{margin-bottom:9px}
.card p{color:var(--txt-2);font-size:14.5px;line-height:1.7}
.card-num{
  position:absolute;top:22px;right:26px;font-size:44px;font-weight:800;
  color:rgba(255,255,255,.045);line-height:1;
}

/* ---------- product card ---------- */
.pcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .34s var(--ease);display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-6px);border-color:rgba(0,191,165,.4);
  box-shadow:0 22px 50px rgba(0,0,0,.5)}
.pcard-vis{
  height:290px;display:grid;place-items:center;position:relative;
  background:linear-gradient(160deg,var(--bg-3),var(--bg));
  border-bottom:1px solid var(--line);overflow:hidden;
}
.pcard-vis::before{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,191,165,.19),transparent 68%);
}
.pcard-vis img{max-height:230px;width:auto;position:relative;z-index:2;
  filter:drop-shadow(0 14px 34px rgba(0,0,0,.55))}
.pcard-body{padding:26px;display:flex;flex-direction:column;gap:14px;flex:1}
.pcard-body h3{margin-bottom:2px}
.pcard-tag{color:var(--txt-2);font-size:14px}
.spec-line{
  font-size:13px;color:var(--txt-3);padding-top:13px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:6px 10px;margin-top:auto;
}
.spec-line span:not(:last-child)::after{content:"|";margin-left:10px;opacity:.4}

/* ---------- feature rows ---------- */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feat.rev .feat-vis{order:-1}
.feat-vis{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,var(--bg-3),var(--bg));display:grid;place-items:center;
  min-height:340px;padding:30px;position:relative;
}
.feat-vis img{max-height:300px;width:auto;position:relative;z-index:2;
  filter:drop-shadow(0 18px 40px rgba(0,0,0,.5))}
/* full-bleed variant: photo fills the frame, no matte edge */
.feat-vis.cover{padding:0}
.feat-vis.cover img{max-height:none;width:100%;height:100%;object-fit:cover;
  display:block;filter:none}
/* ---------- app screenshots ---------- */
.shot{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,var(--bg-3),var(--bg));
  display:grid;place-items:center;min-height:340px;padding:26px;position:relative;
}
.shot::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(90% 70% at 50% 12%,rgba(0,191,165,.10),transparent 70%);
}
.shot img{
  max-height:520px;width:auto;position:relative;z-index:2;border-radius:24px;
  filter:drop-shadow(0 22px 48px rgba(0,0,0,.55));
}
.shot-tall{min-height:460px}
.shot-tall img{max-height:600px}
.shots3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shots3 .shot{min-height:320px;padding:20px}
.shots3 .shot img{max-height:430px;border-radius:20px}
.shots2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.shots2 .shot img{max-height:500px}
.cap{
  text-align:center;font-size:12.4px;color:var(--txt-3);
  margin-top:12px;letter-spacing:.03em;line-height:1.5;
}
.cap b{display:block;color:var(--txt-2);font-size:13px;font-weight:600;margin-bottom:2px}
.feat-list{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.feat-item{display:flex;gap:14px;align-items:flex-start}
.feat-item .tick{
  width:22px;height:22px;border-radius:50%;background:var(--acc-dim);flex-shrink:0;
  display:grid;place-items:center;color:var(--acc);margin-top:2px;
}
.feat-item .tick svg{width:12px;height:12px}
.feat-item b{display:block;font-size:15px;font-weight:650;margin-bottom:3px}
.feat-item p{font-size:13.8px;color:var(--txt-2);line-height:1.6}

/* ---------- specs table ---------- */
.spec-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.spec-group{border-bottom:1px solid var(--line)}
.spec-group:last-child{border-bottom:none}
.spec-group>th,.spec-group>td{
  display:flex;padding:16px 24px;gap:24px;align-items:flex-start;text-align:left;
}
.spec-group>th{
  background:rgba(255,255,255,.028);font-size:11.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--acc);
}
.spec-group>td{padding:0}
.spec-rows{width:100%}
.spec-row{display:grid;grid-template-columns:230px 1fr;border-top:1px solid var(--line)}
.spec-row:first-child{border-top:none}
.spec-row dt{padding:15px 24px;color:var(--txt-3);font-size:14px}
.spec-row dd{padding:15px 24px;color:var(--txt);font-size:14px;font-weight:500}

/* ---------- timeline ---------- */
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--acc),rgba(0,191,165,.12))}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--acc);border:3px solid var(--bg);box-shadow:0 0 0 2px rgba(0,191,165,.28);
}
.tl-yr{font-size:13px;font-weight:750;color:var(--acc);letter-spacing:.06em;margin-bottom:5px}
.tl-item h4{margin-bottom:6px}
.tl-item p{color:var(--txt-2);font-size:14.3px}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:32px;flex-wrap:wrap}
.tab{
  padding:13px 22px;font-size:14.5px;font-weight:650;color:var(--txt-3);
  border-bottom:2px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  background:none;border-top:none;border-left:none;border-right:none;font-family:inherit;
}
.tab:hover{color:var(--txt)}
.tab.on{color:var(--acc);border-bottom-color:var(--acc)}
.tabpane{display:none;animation:fade .4s var(--ease)}
.tabpane.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;position:relative;transition:all .3s var(--ease);
}
.step:hover{border-color:var(--line-2);background:var(--card-2);transform:translateY(-3px)}
.step-n{
  width:38px;height:38px;border-radius:10px;background:var(--acc-dim);color:var(--acc);
  display:grid;place-items:center;font-weight:750;font-size:15px;margin-bottom:16px;
}
.step h4{margin-bottom:8px}
.step p{font-size:14px;color:var(--txt-2)}

/* ---------- stat band ---------- */
.band{background:linear-gradient(120deg,rgba(0,191,165,.1),rgba(124,92,255,.07));
  border:1px solid var(--line);border-radius:var(--radius);padding:44px 36px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.band-stat b{display:block;font-size:32px;font-weight:780;color:var(--acc);
  letter-spacing:-.025em;line-height:1.15;margin-bottom:6px}
.band-stat span{font-size:13px;color:var(--txt-2);line-height:1.55;display:block}

/* ---------- video ---------- */
.vid-wrap{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:#000;aspect-ratio:16/9;
}
.vid-wrap iframe,.vid-wrap video{width:100%;height:100%;border:none;display:block}
.vid-ph{
  position:absolute;inset:0;display:grid;place-items:center;cursor:pointer;
  background:linear-gradient(160deg,var(--bg-3),var(--bg));
}
.vid-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.vid-play{
  position:relative;z-index:2;width:78px;height:78px;border-radius:50%;
  background:rgba(0,191,165,.92);display:grid;place-items:center;
  transition:transform .3s var(--ease);box-shadow:0 10px 34px rgba(0,191,165,.4);
}
.vid-ph:hover .vid-play{transform:scale(1.09)}
.vid-play svg{width:26px;height:26px;margin-left:4px;color:#04231E}
.vid-cap{position:relative;z-index:2;text-align:center;margin-top:18px}
.vid-cap b{display:block;font-size:15px;font-weight:650}
.vid-cap span{font-size:12.5px;color:var(--txt-3)}
.vid-note{font-size:12.5px;color:var(--txt-3);text-align:center;margin-top:14px}
/* 9:16 竖屏 Shorts：居中定宽，避免 16:9 容器上下留黑边 */
.vid-vert{aspect-ratio:9/16;width:100%;max-width:340px;margin:0 auto}
.vid-vert .vid-play{width:64px;height:64px}
.vid-vert .vid-play svg{width:22px;height:22px}
.vid-vert .vid-cap{margin-top:14px}

/* ---------- compliance / callout ---------- */
.note{
  border-left:3px solid var(--acc);background:rgba(0,191,165,.055);
  padding:20px 24px;border-radius:0 var(--radius-s) var(--radius-s) 0;
  font-size:14.2px;color:var(--txt-2);line-height:1.72;
}
.note b{color:var(--txt)}
.note-warn{border-left-color:var(--amber);background:rgba(255,176,32,.07)}
.note-warn b{color:var(--amber)}

/* ---------- contact ---------- */
.ct-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ct-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:all .3s var(--ease);
}
.ct-card:hover{border-color:var(--line-2);background:var(--card-2)}
.ct-card .card-ic{margin-bottom:15px}
.ct-card h4{margin-bottom:8px}
.ct-card a,.ct-card p{font-size:14.5px;color:var(--txt-2);word-break:break-word}
.ct-card a:hover{color:var(--acc)}

.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form label{display:block;font-size:12.5px;font-weight:650;color:var(--txt-2);
  margin-bottom:7px;letter-spacing:.03em}
.form input,.form select,.form textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  background:var(--bg);border:1px solid var(--line-2);color:var(--txt);
  font-family:inherit;font-size:14.5px;transition:border-color .22s;
}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(0,191,165,.12)}
.form textarea{min-height:118px;resize:vertical}
.form button{width:100%;margin-top:8px}

/* ---------- footer ---------- */
.ftr{background:var(--bg-2);border-top:1px solid var(--line);padding:68px 0 0}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.ftr h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--txt-3);margin-bottom:18px}
.ftr li{margin-bottom:11px}
.ftr li a{font-size:14.3px;color:var(--txt-2);transition:color .2s}
.ftr li a:hover{color:var(--acc)}
.ftr-about p{font-size:14.2px;color:var(--txt-2);line-height:1.72;margin:16px 0}
.ftr-warn{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;gap:12px;align-items:flex-start;
  font-size:12.4px;color:var(--txt-3);line-height:1.7;
}
.ftr-warn .wn{
  flex:none;width:19px;height:19px;margin-top:2px;border-radius:50%;
  border:1px solid var(--line-2);display:grid;place-items:center;
  font-size:11px;font-weight:700;color:var(--txt-2);
}
.ftr-warn p{margin:0;max-width:92ch}
.ftr-warn b{color:var(--txt-2);font-weight:600}
@media (max-width:640px){
  .ftr-warn{padding:18px 0}
  .ftr-warn p{max-width:none}
}
.ftr-tm{
  border-top:1px solid var(--line);padding:18px 0 0;
  font-size:12.4px;color:var(--txt-3);line-height:1.7;
}
.ftr-tm sup{font-size:.72em}
.ftr-bot{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}

/* ---------- 3-column comparison table ---------- */
.cmp-wrap{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--card);
}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.cmp{width:100%;border-collapse:collapse;min-width:760px}
table.cmp th,table.cmp td{
  padding:15px 22px;text-align:left;font-size:14px;line-height:1.6;
  border-top:1px solid var(--line);vertical-align:top;
}
table.cmp thead th{
  background:var(--card-2);border-top:none;
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--acc);white-space:nowrap;
}
table.cmp thead th:first-child{color:var(--txt-3)}
table.cmp tbody tr:hover td{background:rgba(255,255,255,.022)}
table.cmp .c-item{
  width:28%;color:var(--txt-3);font-weight:500;font-size:14px;
  letter-spacing:0;text-transform:none;background:transparent;
}
table.cmp .c-val{color:var(--txt);font-weight:500}
table.cmp .c-val b{color:var(--acc);font-weight:650}
table.cmp .c-same{color:var(--txt-3);font-weight:400}
table.cmp .c-same::before{content:"↳ same as ";font-size:12px;opacity:.75}
tr.cmp-group td{
  background:rgba(255,255,255,.028);
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--acc);padding:13px 22px;
}
table.cmp .c-na{color:var(--txt-3);font-weight:400;font-style:italic}
.cmp-legend{
  display:flex;gap:22px;flex-wrap:wrap;margin-top:18px;
  font-size:12.8px;color:var(--txt-3);
}
.cmp-legend span{display:flex;align-items:center;gap:7px}
.cmp-legend i{width:9px;height:9px;border-radius:2px;background:var(--acc);display:inline-block}
.cmp-legend i.dim{background:var(--txt-3)}
@media(max-width:720px){
  table.cmp th,table.cmp td{padding:13px 16px;font-size:13.4px}
}

/* ---------- page hero (inner) ---------- */
.phero{
  padding:150px 0 68px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
  border-bottom:1px solid var(--line);
}
.phero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 420px at 76% 30%,rgba(0,191,165,.13),transparent 62%);
}
.phero-in{position:relative;z-index:2;max-width:820px}
.crumb{font-size:13px;color:var(--txt-3);margin-bottom:16px}
.crumb a:hover{color:var(--acc)}
.crumb span{margin:0 8px;opacity:.5}

/* ---------- responsive ---------- */
@media(max-width:1080px){
  .nav,.hdr-cta{display:none}
  .burger{display:flex}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .hero-vis{min-height:340px;order:-1}
  .hero-vis img{max-height:360px}
  .hero-chips{position:static;flex-direction:row;flex-wrap:wrap;justify-content:center;margin-top:22px}
  .feat{grid-template-columns:1fr;gap:38px}
  .feat.rev .feat-vis{order:0}
  .shots3{grid-template-columns:1fr;gap:28px}
  .shots3 .shot img{max-height:540px}
  .shots2{grid-template-columns:1fr;gap:28px}
  .g4,.g3,.band-grid,.ct-grid,.ftr-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .sec{padding:72px 0}
  .wrap{padding:0 20px}
  .g2,.g3,.g4,.band-grid,.ct-grid,.steps{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr;gap:34px}
  .hero-stats{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr}
  .spec-row dt{padding-bottom:0}
  .spec-row dd{padding-top:6px}
  .phero{padding:120px 0 52px}
}


/* ============================================================
   OXVA-INSPIRED LAYER  ·  v2
   1. top compliance bar      2. product banner (big type + pipe specs)
   3. Overview/Specs tabs     4. timeline      5. compliance-ready block
   Written against the existing tokens: --acc / --bg-2 / --card / --line …
   ============================================================ */

/* ---------- 2. product banner: big type + pipe-delimited specs ---------- */
.pbanner{
  border:1px solid var(--line);border-radius:22px;overflow:hidden;
  background:linear-gradient(135deg,var(--card) 0%,var(--bg-2) 100%);
}
.pb-in{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.pb-art{
  min-height:340px;display:grid;place-items:center;padding:36px;
  background:radial-gradient(60% 60% at 50% 45%,var(--acc-dim),transparent 70%);
}
.pb-art img{
  max-height:320px;width:auto;object-fit:contain;
  filter:drop-shadow(0 22px 46px rgba(0,0,0,.55));
}
.pb-tx{padding:44px 44px 44px 0}
.pb-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pb-badge{
  font-size:10.5px;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  padding:5px 11px;border-radius:99px;border:1px solid var(--line-2);color:var(--txt-2);
}
.pb-badge.amber{background:rgba(255,176,32,.13);border-color:rgba(255,176,32,.4);color:#FFCB70}
.pb-badge.acc{background:var(--acc-dim);border-color:rgba(0,191,165,.42);color:var(--acc-2)}
.pname{
  font-size:clamp(40px,6.4vw,80px);font-weight:800;
  letter-spacing:-2.4px;line-height:.98;text-transform:uppercase;margin-bottom:14px;
}
.pname em{
  font-style:normal;
  background:linear-gradient(120deg,var(--acc-2),#7CE9DC);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
/* the OXVA signature: one line, specs separated by pipes */
.pline{
  font-size:14.5px;color:var(--txt-2);font-weight:500;letter-spacing:.2px;
  padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:20px;
}
.pline i{color:var(--line-2);font-style:normal;margin:0 9px;font-weight:300}
.pb-lede{font-size:15.5px;color:var(--txt-2);margin-bottom:22px;max-width:52ch}

/* specs grouped the way buyers read them: Device / Cartridge / Package */
.sg{margin-bottom:20px}
.sg h5{
  font-size:11px;font-weight:800;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--acc-2);margin-bottom:10px;
}
.sg ul{list-style:none}
.sg li{
  display:flex;justify-content:space-between;gap:20px;
  padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.sg li span{color:var(--txt-2)}
.sg li b{color:var(--txt);font-weight:600;text-align:right}

/* three principles — OXVA's X-TREME pattern (timeline tokens already exist) */
.prin{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.prin .p{
  padding:28px 26px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--card),rgba(13,18,24,.4));
}
.prin .p .n{font-size:11px;font-weight:800;letter-spacing:1.4px;color:var(--acc-2);margin-bottom:9px}
.prin .p h4{font-size:19px;font-weight:800;letter-spacing:-.3px;margin-bottom:10px}
.prin .p p{font-size:14px;color:var(--txt-2)}
.prin .p .mt{
  margin-top:14px;font-size:12.5px;color:var(--txt-3);
  border-top:1px solid var(--line);padding-top:12px;
}

/* ---------- 5. Smart Compliance Ready ---------- */
.cr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.cr-c{
  padding:30px 26px;border-radius:18px;position:relative;overflow:hidden;
  border:1px solid var(--line);background:var(--card);
}
.cr-c:before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 50% at 50% 0%,var(--acc-dim),transparent 70%);
}
.cr-ic{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:21px;
  background:var(--acc-dim);border:1px solid rgba(0,191,165,.3);margin-bottom:16px;
}
.cr-c h4{font-size:17px;font-weight:800;letter-spacing:-.2px;margin-bottom:9px}
.cr-c p{font-size:14px;color:var(--txt-2)}
.cr-c .st{
  display:inline-block;margin-top:14px;font-size:11px;font-weight:800;letter-spacing:1px;
  text-transform:uppercase;padding:4px 10px;border-radius:99px;
  background:var(--acc-dim);color:var(--acc-2);border:1px solid rgba(0,191,165,.32);
}
.cr-c .st.soon{background:rgba(255,176,32,.12);color:#FFCB70;border-color:rgba(255,176,32,.32)}
.cr-chain{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  margin-top:40px;padding:26px;border-radius:16px;
  border:1px dashed var(--line-2);background:rgba(0,191,165,.04);
}
.cr-node{
  padding:11px 18px;border-radius:12px;background:var(--card-2);
  border:1px solid var(--line);font-size:13px;font-weight:600;white-space:nowrap;
}
.cr-node b{
  color:var(--acc-2);display:block;font-size:10.5px;letter-spacing:1.1px;
  text-transform:uppercase;font-weight:800;margin-bottom:3px;
}
.cr-arrow{color:var(--acc);font-size:16px}
.cr-note{
  margin-top:26px;padding:18px 22px;border-radius:14px;
  font-size:13px;color:var(--txt-3);background:rgba(255,255,255,.02);border:1px solid var(--line);
}
.cr-note b{color:var(--txt-2)}
.cr-note.warn{border-color:rgba(255,176,32,.3);background:rgba(255,176,32,.05)}
.cr-note.warn b{color:#FFCB70}

/* product card: specs as a pipe line too */
.pcard-spec{
  font-size:13px;color:var(--txt-2);font-weight:500;margin-top:10px;
}
.pcard-spec i{color:var(--line-2);font-style:normal;margin:0 7px;font-weight:300}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .pb-in{grid-template-columns:1fr;gap:0}
  .pb-tx{padding:32px 28px}
  .pb-art{min-height:240px;padding:24px}
  .pb-art img{max-height:220px}
  .prin,.cr-grid{grid-template-columns:1fr}
}

/* product card: OXVA-style uppercase name */
.pcard-name{text-transform:uppercase;letter-spacing:-.4px;font-size:26px}
.pcard .badges{margin-bottom:12px}

/* ---------- 6. Field Programmes (client references) ---------- */
.cs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.cs-c{
  padding:32px 28px;border-radius:18px;position:relative;overflow:hidden;
  border:1px solid var(--line);background:var(--card);
}
.cs-c:before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 50% at 50% 0%,var(--acc-dim),transparent 70%);
}
.cs-top{display:flex;align-items:center;justify-content:space-between;gap:12px;
  flex-wrap:wrap;margin-bottom:18px}
.cs-flag{
  font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;
  padding:4px 10px;border-radius:99px;color:var(--txt-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.cs-st{
  font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;
  padding:4px 10px;border-radius:99px;
  background:var(--acc-dim);color:var(--acc-2);border:1px solid rgba(0,191,165,.32);
}
.cs-c h3{font-size:26px;font-weight:800;letter-spacing:-.4px;margin-bottom:4px}
.cs-prod{font-size:13.5px;color:var(--acc-2);font-weight:600;margin-bottom:14px}
.cs-c p{font-size:14px;color:var(--txt-2)}
.cs-list{margin-top:16px;padding:0;list-style:none}
.cs-list li{
  font-size:13px;color:var(--txt-2);padding-left:20px;position:relative;
  margin-bottom:8px;line-height:1.55;
}
.cs-list li:before{
  content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;
  background:var(--acc);opacity:.7;
}
@media(max-width:860px){
  .cs-grid{grid-template-columns:1fr}
}

/* ============================================================
   FAQ / answer-first blocks (added for AI + crawler readability)
   ============================================================ */
.faq{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--card);margin-bottom:12px;overflow:hidden;
}
.faq-q{
  padding:18px 22px;font-weight:600;font-size:15.6px;color:var(--txt);
  display:flex;gap:12px;align-items:flex-start;line-height:1.55;
}
.faq-q::before{
  content:"Q";flex:none;width:22px;height:22px;border-radius:5px;
  background:rgba(0,191,165,.14);color:var(--acc);
  font-size:11.5px;font-weight:800;display:grid;place-items:center;
  margin-top:2px;
}
.faq-a{
  padding:0 22px 20px 56px;font-size:14.4px;color:var(--txt-2);line-height:1.78;
}
.faq-a b{color:var(--txt)}
.faq-a p{margin-bottom:10px}
.faq-a p:last-child{margin-bottom:0}
.faq-a ul{margin:10px 0 0;padding-left:18px}
.faq-a li{margin-bottom:6px}

/* entity fact sheet — machine-friendly key facts */
.facts{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--card);
}
.fact{
  padding:18px 22px;border-bottom:1px solid var(--line);
  display:flex;gap:16px;align-items:baseline;
}
.fact:nth-child(odd){border-right:1px solid var(--line)}
.fact dt{
  flex:none;width:150px;font-size:12.6px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--txt-3);font-weight:600;
}
.fact dd{margin:0;font-size:14.6px;color:var(--txt);font-weight:500;line-height:1.6}
@media(max-width:720px){
  .facts{grid-template-columns:1fr}
  .fact:nth-child(odd){border-right:none}
  .faq-a{padding-left:22px}
}

/* ============================================================
   UI ENHANCEMENT LAYER  v2
   ============================================================ */

/* ---------- scroll progress ---------- */
.prog{position:fixed;top:0;left:0;height:2px;width:0;z-index:400;
  background:linear-gradient(90deg,var(--acc),var(--acc-2));
  box-shadow:0 0 12px rgba(0,191,165,.6);transition:width .1s linear}

/* ---------- brand logo ---------- */
.logo-img{display:block;height:46px;width:auto;
  transition:transform .3s var(--ease),filter .3s var(--ease)}
.logo:hover .logo-img{transform:scale(1.06)}
.ftr-about .logo-img{height:52px;margin-bottom:6px}

/* ---------- reveal on scroll ---------- */
.rv{opacity:0;transform:translateY(26px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- hero polish ---------- */
.hero-vis img{animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-glow{filter:blur(70px)}
.hero-stat b{
  background:linear-gradient(180deg,#fff,var(--acc));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-chips .chip{
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(0,191,165,.28);
  transition:all .3s var(--ease);
}
.hero-chips .chip:hover{border-color:var(--acc);transform:translateX(5px)}

/* ---------- card elevation ---------- */
.card,.feat-card,.cap-card,.prod-card,.t-card,.why-card,.timeline-item{
  transition:transform .38s var(--ease),border-color .38s var(--ease),box-shadow .38s var(--ease);
  will-change:transform;
}
.card:hover,.feat-card:hover,.cap-card:hover,.prod-card:hover,.t-card:hover,.why-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,191,165,.42);
  box-shadow:0 18px 46px rgba(0,0,0,.5),0 0 0 1px rgba(0,191,165,.14);
}

/* ---------- buttons ---------- */
.btn{position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.35),transparent 62%);
  opacity:0;transition:opacity .35s var(--ease);pointer-events:none}
.btn:active::after{opacity:1}

/* ---------- section dividers ---------- */
.sec+.sec{border-top:1px solid rgba(255,255,255,.045)}

/* ---------- image lazy placeholder ---------- */
img[data-src]{opacity:0;transition:opacity .5s var(--ease)}
img.loaded{opacity:1}

/* ---------- back to top ---------- */
.totop{position:fixed;right:26px;bottom:26px;z-index:300;
  width:46px;height:46px;border-radius:50%;
  background:var(--acc);color:#04231E;border:none;cursor:pointer;
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .32s var(--ease);
  box-shadow:0 10px 30px rgba(0,191,165,.34)}
.totop.show{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--acc-2);transform:translateY(-3px)}
.totop svg{width:20px;height:20px}

/* ---------- nav pill ---------- */
.nav a.on{background:rgba(0,191,165,.10)}

/* ---------- table polish ---------- */
table tbody tr:hover{background:rgba(0,191,165,.055)}
thead th{position:sticky;top:0;z-index:2}

/* ---------- focus visible (a11y) ---------- */
a:focus-visible,button:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}

/* ---------- mobile refinements ---------- */
@media(max-width:860px){
  .sec{padding:72px 0}
  .wrap{padding:0 20px}
  .hdr-in{height:64px;gap:12px}
  .logo-img{height:38px}
  .totop{right:16px;bottom:16px;width:42px;height:42px}
  .hero{padding:110px 0 60px;min-height:auto}
  .hero-vis img{animation:none}
}
@media(max-width:420px){
  .logo-img{height:34px}
  h1{font-size:32px}
}

/* ---------- video cta ---------- */
.vid-cta{text-align:center;margin-top:38px}
.vid-ph{display:block;position:relative;border-radius:var(--radius);overflow:hidden;
  cursor:pointer;background:var(--card)}
.vid-ph img{width:100%;height:100%;object-fit:cover;opacity:.62;
  transition:transform .6s var(--ease),opacity .4s var(--ease)}
.vid-ph:hover img{transform:scale(1.06);opacity:.78}

/* ---------- product photos (real-world shots on light surface) ---------- */
.pphoto{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-3);transition:transform .25s,border-color .25s}
.pphoto img{display:block;width:100%;height:auto;background:#f4f5f6}
.pphoto figcaption{padding:11px 15px;font-size:12.6px;color:var(--txt-2);letter-spacing:.02em;
  border-top:1px solid var(--line)}
.pphoto:hover{transform:translateY(-4px);border-color:var(--acc)}