/* =========================================================
   Speed Cooling — GS5 Wholesale Site
   v4 · Modern tech / Linear-Vercel-Stripe polish
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* Deep ink + warm paper, no pure #000/#FFF */
  --bg:      #07090D;     /* page */
  --surface: #0D1117;     /* card */
  --surface-2:#141A22;    /* darker surface */
  --hairline:rgba(255,255,255,.07);
  --line-2: rgba(255,255,255,.14);

  --paper:  #F2F4F7;
  --paper-2:#A6ADBA;
  --paper-3:#6E7785;

  /* Single accent — calm mint / "cool" (thematic for a cooling product) */
  --accent: #19E5B6;
  --accent-soft: rgba(25,229,182,.12);

  --display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --body:    'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--bg);color:var(--paper);
  line-height:1.55;font-weight:400;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{max-width:1240px;margin:0 auto;padding:0 28px}

/* ============================================================
   SPLASH — calm tech bootscreen
   ============================================================ */
.splash{
  position:fixed;inset:0;z-index:9999;
  background:radial-gradient(ellipse at center top, #0F1822 0%, #07090D 60%);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:opacity .9s cubic-bezier(.22,.61,.36,1);
  overflow:hidden;
}
.splash.hidden{opacity:0;pointer-events:none}

.splash-logo{
  margin-bottom:24px;
  animation:fadeUp 1s ease-out;
}
.splash-logo img{height:480px;width:auto;max-width:80vw;display:block;filter:drop-shadow(0 0 40px rgba(25,229,182,.25))}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.spin-stage{
  position:relative;width:min(520px,76vw);aspect-ratio:1/1;
  display:flex;align-items:center;justify-content:center;
}
/* subtle radial halo behind product (soft, not glowy) */
.spin-stage::before{
  content:"";position:absolute;width:60%;height:60%;border-radius:50%;
  background:radial-gradient(circle, rgba(25,229,182,.10), transparent 70%);
  filter:blur(20px);
}
.spin-orbit{
  position:absolute;border:1px solid var(--hairline);border-radius:50%;
  animation:slowSpin 80s linear infinite;
}
.spin-orbit.o1{inset:0}
.spin-orbit.o2{inset:8%;animation-duration:120s;animation-direction:reverse}
.spin-orbit.o1::before{
  content:"";position:absolute;top:-3px;left:50%;width:6px;height:6px;border-radius:50%;
  background:var(--accent);transform:translateX(-50%);
}
@keyframes slowSpin{to{transform:rotate(360deg)}}

.spin-frames{
  position:relative;width:70%;height:70%;
  display:flex;align-items:center;justify-content:center;z-index:5;
}
.spin-frame{
  position:absolute;width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  opacity:0;animation:spinFrame 9s linear infinite;
}
.spin-frame img{max-width:100%;max-height:100%;object-fit:contain}
.spin-frame:nth-child(1){animation-delay:0s}
.spin-frame:nth-child(2){animation-delay:1.5s}
.spin-frame:nth-child(3){animation-delay:3s}
.spin-frame:nth-child(4){animation-delay:4.5s}
.spin-frame:nth-child(5){animation-delay:6s}
.spin-frame:nth-child(6){animation-delay:7.5s}
@keyframes spinFrame{
  0%             {opacity:0;transform:scale(.97)}
  3%, 16%        {opacity:1;transform:scale(1)}
  19%, 100%      {opacity:0;transform:scale(1.03)}
}

.splash-meta{
  margin-top:48px;text-align:center;
  animation:fadeUp 1.2s ease-out .2s backwards;
}
.splash-meta .title{
  font-family:var(--display);font-size:22px;font-weight:600;letter-spacing:-.01em;
  margin-bottom:6px;
}
.splash-meta .title b{color:var(--accent);font-weight:600}
.splash-meta .sub{
  font-family:var(--mono);font-size:11px;color:var(--paper-3);
  letter-spacing:.14em;text-transform:uppercase;
}
.splash-progress{
  margin-top:28px;width:260px;height:2px;background:rgba(255,255,255,.06);
  border-radius:2px;overflow:hidden;
}
.splash-progress::after{
  content:"";display:block;height:100%;width:0;background:var(--accent);
  animation:loadProgress 5s linear forwards;
}
@keyframes loadProgress{from{width:0}to{width:100%}}

/* whole splash is clickable to dismiss */
.splash{cursor:pointer}

.splash-skip{
  position:absolute;bottom:28px;right:28px;
  font-family:var(--mono);font-size:11px;color:var(--paper-3);letter-spacing:.14em;
  padding:8px 14px;border:1px solid var(--hairline);border-radius:30px;
  cursor:pointer;transition:all .2s;
}
.splash-skip:hover{color:var(--accent);border-color:var(--accent)}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:4px 28px;height:80px;
  background:rgba(7,9,13,.78);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--hairline);
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;height:80px;overflow:visible}
.nav-logo img{height:150px;width:auto;display:block;max-width:none}

.nav-links{display:flex;gap:36px}
.nav-links a{
  font-size:17px;font-weight:600;color:var(--paper-2);
  transition:color .2s;letter-spacing:-.005em;
}
.nav-links a:hover{color:var(--paper)}

.nav-right{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;gap:6px;font-family:var(--mono);font-size:16px}
.lang-switch a{padding:7px 12px;color:var(--paper-3);border-radius:30px;letter-spacing:.04em}
.lang-switch a.active{color:var(--accent);background:var(--accent-soft)}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:16px 26px;border-radius:10px;
  font-family:var(--body);font-size:18px;font-weight:700;
  letter-spacing:-.005em;
  transition:all .2s;cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#031815;font-weight:700}
.btn-primary:hover{background:#22F2C5;transform:translateY(-1px);box-shadow:0 8px 24px -8px rgba(25,229,182,.5)}
.btn-ghost{border-color:var(--line-2);color:var(--paper)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh;padding:230px 28px 80px;
  display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center;
  max-width:1320px;margin:0 auto;position:relative;
}
@media (max-width:1000px){.hero{grid-template-columns:1fr;padding:110px 24px 60px}}

.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 50% 40% at 75% 50%, rgba(25,229,182,.08), transparent),
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(46,143,255,.04), transparent);
}

.hero-left{position:relative}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:30px;
  background:var(--accent-soft);border:1px solid rgba(25,229,182,.22);
  font-size:12px;font-weight:500;color:var(--accent);
  margin-bottom:28px;
}
.hero-pill::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.hero h1{
  font-family:var(--display);
  font-size:clamp(36px,4.2vw,64px);
  font-weight:700;line-height:1.18;letter-spacing:-.015em;
  margin-bottom:28px;max-width:560px;
}
.hero h1 .small{display:block;font-size:.62em;font-weight:600;color:var(--paper-2);margin-top:8px;letter-spacing:.01em}
.hero h1 .grad{
  background:linear-gradient(135deg, var(--accent) 0%, #4DD9E5 60%, #6EB5FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 .muted{color:var(--paper-3)}

.hero .lead{
  font-size:17px;line-height:1.62;color:var(--paper-2);
  max-width:540px;margin-bottom:36px;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.hero-stats{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  padding:24px 0;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);
}
.hero-stats .cell{padding:0 16px;border-right:1px solid var(--hairline)}
.hero-stats .cell:first-child{padding-left:0}
.hero-stats .cell:last-child{border-right:none;padding-right:0}
.hero-stats .num{
  font-family:var(--display);font-size:28px;font-weight:700;letter-spacing:-.02em;line-height:1;
  color:var(--paper);margin-bottom:6px;
}
.hero-stats .num .u{font-family:var(--mono);font-size:12px;color:var(--paper-3);margin-left:4px;font-weight:500}
.hero-stats .lbl{font-size:12px;color:var(--paper-3);font-family:var(--mono);letter-spacing:.04em}

/* Hero product stage */
.hero-stage{
  position:relative;width:100%;aspect-ratio:1/1.05;
  display:flex;align-items:center;justify-content:center;
}
.hero-stage::before{
  content:"";position:absolute;width:80%;height:80%;border-radius:50%;
  background:radial-gradient(circle, rgba(25,229,182,.12) 0%, transparent 70%);
  filter:blur(40px);
}
.hero-stage .orbit{
  position:absolute;border-radius:50%;border:1px dashed rgba(25,229,182,.18);
  animation:slowSpin 60s linear infinite;
}
.hero-stage .orbit.a{inset:6%}
.hero-stage .orbit.b{inset:18%;animation-duration:90s;animation-direction:reverse;border-color:rgba(255,255,255,.06)}
.hero-product{
  position:relative;z-index:5;width:62%;
  animation:productFloat 6s ease-in-out infinite;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.5));
}
@keyframes productFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}

/* ============================================================
   SECTION BASE
   ============================================================ */
.sec{padding:120px 0;position:relative}
.sec + .sec{border-top:1px solid var(--hairline)}
.sec-head{margin:0 auto 72px;max-width:760px;text-align:center}
.sec-head .kicker{
  display:inline-block;font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:18px;
}
.sec-head h2{
  font-family:var(--display);font-size:clamp(34px,4vw,56px);font-weight:700;
  line-height:1.05;letter-spacing:-.025em;margin-bottom:18px;
}
.sec-head h2 .grad{
  background:linear-gradient(135deg, var(--accent) 0%, #4DD9E5 60%, #6EB5FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-head p{font-size:16px;color:var(--paper-2);line-height:1.6}

/* ============================================================
   TECH — modern card with hotspots
   ============================================================ */
.tech-stage{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  max-width:1100px;margin:0 auto;
}
@media (max-width:1000px){.tech-stage{grid-template-columns:1fr}}

.tech-image-wrap{
  position:relative;aspect-ratio:1/1.1;border-radius:24px;
  background:linear-gradient(160deg, #0F1620 0%, #0A0E15 100%);
  border:1px solid var(--hairline);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.tech-image-wrap::before{
  content:"";position:absolute;width:75%;height:75%;border-radius:50%;
  background:radial-gradient(circle, rgba(25,229,182,.16), transparent 70%);
  filter:blur(40px);
}
.tech-product-img{width:60%;position:relative;z-index:2;filter:drop-shadow(0 20px 40px rgba(0,0,0,.4))}

.hotspot{
  position:absolute;width:18px;height:18px;border-radius:50%;
  background:var(--accent);cursor:pointer;
  transform:translate(-50%,-50%);transition:transform .25s;
  box-shadow:0 0 0 0 rgba(25,229,182,.5);
  animation:hotspotPulse 2.6s ease-in-out infinite;
  z-index:6;
}
.hotspot::after{
  content:"";position:absolute;inset:5px;background:#031815;border-radius:50%;
}
@keyframes hotspotPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(25,229,182,.45)}
  70%{box-shadow:0 0 0 12px rgba(25,229,182,0)}
}
.hotspot:hover,.hotspot.active{transform:translate(-50%,-50%) scale(1.25)}
.hotspot:hover::after,.hotspot.active::after{background:var(--accent)}
.hotspot.h1{top:24%;left:50%}
.hotspot.h2{top:46%;left:50%}
.hotspot.h3{top:62%;left:50%}
.hotspot.h4{top:78%;left:50%}
.hotspot.h5{top:48%;left:14%}

.tech-info{padding:8px}
.tech-info .label{
  font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:16px;
}
.tech-info .info-title{
  font-family:var(--display);font-size:30px;font-weight:700;line-height:1.1;
  letter-spacing:-.02em;margin-bottom:12px;
}
.tech-info .info-spec{
  font-family:var(--mono);font-size:13px;color:var(--paper-2);margin-bottom:18px;
}
.tech-info .info-desc{color:var(--paper-2);font-size:15px;line-height:1.7;margin-bottom:24px}
.tech-info .info-bullets{list-style:none;display:grid;gap:10px}
.tech-info .info-bullets li{
  display:flex;gap:10px;font-size:14px;color:var(--paper-2);line-height:1.55;
}
.tech-info .info-bullets li::before{
  content:"";flex-shrink:0;width:5px;height:5px;border-radius:50%;background:var(--accent);
  margin-top:9px;
}
.tech-info-content{opacity:0;transform:translateY(10px);animation:tickIn .45s forwards}
@keyframes tickIn{to{opacity:1;transform:none}}

.tech-thumbs{
  margin-top:28px;display:grid;grid-template-columns:repeat(5,1fr);gap:6px;
}
.tech-thumb{
  padding:10px 4px;text-align:center;border-radius:8px;
  font-size:12px;color:var(--paper-3);cursor:pointer;transition:all .2s;
  background:var(--surface);border:1px solid var(--hairline);font-weight:500;
}
.tech-thumb:hover,.tech-thumb.active{color:var(--accent);border-color:rgba(25,229,182,.4);background:var(--accent-soft)}

/* ============================================================
   SHOWCASE
   ============================================================ */
.showcase{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;max-width:1100px;margin:0 auto;
}
@media (max-width:1000px){.showcase{grid-template-columns:1fr}}

.showcase-card{
  position:relative;aspect-ratio:1/1.05;border-radius:24px;
  background:linear-gradient(160deg, #101720 0%, #08090E 100%);
  border:1px solid var(--hairline);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.showcase-card::before{
  content:"";position:absolute;width:75%;height:75%;border-radius:50%;
  background:radial-gradient(circle, rgba(25,229,182,.14), transparent 70%);
  filter:blur(36px);
}
.showcase-card img{width:64%;position:relative;z-index:2;transition:transform .5s;filter:drop-shadow(0 25px 50px rgba(0,0,0,.5))}
.showcase-card:hover img{transform:scale(1.04)}

.showcase-text h3{
  font-family:var(--display);font-size:clamp(32px,3.4vw,48px);font-weight:700;
  letter-spacing:-.025em;line-height:1.1;margin-bottom:18px;
}
.showcase-text h3 .grad{background:linear-gradient(135deg, var(--accent) 0%, #6EB5FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.showcase-text p{color:var(--paper-2);font-size:16px;line-height:1.7;margin-bottom:32px;max-width:480px}

.swatch-row{display:flex;align-items:center;gap:14px;margin-bottom:32px}
.swatch-row .label{font-family:var(--mono);font-size:11px;color:var(--paper-3);letter-spacing:.1em;text-transform:uppercase;margin-right:4px}
.swatch{
  width:36px;height:36px;border-radius:50%;cursor:pointer;
  border:2px solid var(--hairline);transition:all .2s;position:relative;
}
.swatch:hover,.swatch.active{border-color:var(--accent);transform:scale(1.08)}
.swatch.black{background:#0a0a0a}
.swatch.gray{background:#9ea3a8}
.swatch.army{background:#4a5a32}

.showcase-specs{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-radius:14px;border:1px solid var(--hairline);overflow:hidden;
}
.showcase-specs div{
  padding:14px 18px;display:flex;justify-content:space-between;gap:16px;
  border-bottom:1px solid var(--hairline);
}
.showcase-specs div:nth-child(odd){border-right:1px solid var(--hairline)}
.showcase-specs div:nth-last-child(-n+2){border-bottom:none}
.showcase-specs span:first-child{color:var(--paper-3);font-size:12px;font-family:var(--mono)}
.showcase-specs span:last-child{color:var(--paper);font-weight:500;font-size:13px}

/* ============================================================
   CHANNELS — modern card grid
   ============================================================ */
.channels-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:1240px;margin:0 auto;
}
@media (max-width:900px){.channels-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.channels-grid{grid-template-columns:1fr}}

.channel-card{
  padding:24px;border-radius:16px;
  background:var(--surface);border:1px solid var(--hairline);
  transition:all .3s;cursor:default;position:relative;overflow:hidden;
}
.channel-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg, var(--accent-soft) 0%, transparent 60%);
  opacity:0;transition:opacity .3s;
}
.channel-card:hover{transform:translateY(-3px);border-color:rgba(25,229,182,.3)}
.channel-card:hover::before{opacity:1}
.channel-card .num{
  font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.1em;margin-bottom:18px;display:block;
  position:relative;z-index:2;
}
.channel-card h4{font-family:var(--display);font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;position:relative;z-index:2}
.channel-card p{font-size:13px;color:var(--paper-2);line-height:1.55;position:relative;z-index:2}

/* ============================================================
   TIERS — modern pricing cards
   ============================================================ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1100px;margin:0 auto}
@media (max-width:900px){.tier-grid{grid-template-columns:1fr}}

.tier{
  padding:34px;border-radius:18px;
  background:var(--surface);border:1px solid var(--hairline);
  display:flex;flex-direction:column;
  transition:all .3s;
}
.tier:hover{transform:translateY(-4px);border-color:rgba(25,229,182,.25)}
.tier.featured{
  border-color:var(--accent);
  background:linear-gradient(180deg, var(--accent-soft), var(--surface) 60%);
  position:relative;
}
.tier.featured::before{
  content:"Most Popular";position:absolute;top:-10px;left:34px;
  background:var(--accent);color:#031815;font-size:11px;font-weight:700;
  letter-spacing:.04em;padding:4px 10px;border-radius:30px;
}

.tier-label{
  font-family:var(--mono);font-size:11px;color:var(--paper-3);letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:6px;
}
.tier h3{font-family:var(--display);font-size:26px;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.tier .moq{
  font-family:var(--display);font-size:56px;font-weight:700;line-height:.95;
  letter-spacing:-.03em;color:var(--paper);margin-bottom:6px;
}
.tier .moq span{font-size:14px;font-weight:500;color:var(--paper-3);font-family:var(--mono);margin-left:6px}
.tier .lead{
  font-family:var(--mono);font-size:11px;color:var(--paper-2);letter-spacing:.04em;
  margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--hairline);
}
.tier ul{list-style:none;display:grid;gap:12px;margin-bottom:28px;flex:1}
.tier ul li{display:flex;gap:10px;font-size:14px;color:var(--paper-2);line-height:1.55}
.tier ul li::before{content:"✓";color:var(--accent);flex-shrink:0;font-weight:700}

/* ============================================================
   DETAILS GALLERY
   ============================================================ */
.details-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:1100px;margin:0 auto}
@media (max-width:900px){.details-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.details-grid{grid-template-columns:1fr}}
.detail-tile{
  position:relative;aspect-ratio:9/16;background:var(--surface);
  border:1px solid var(--hairline);border-radius:14px;
  cursor:zoom-in;overflow:hidden;transition:all .3s;
}
.detail-tile:hover{transform:translateY(-4px);border-color:rgba(25,229,182,.3)}
.detail-tile img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .5s}
.detail-tile:hover img{transform:scale(1.06)}
.detail-tile .tile-num{
  position:absolute;top:12px;left:12px;
  font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:.14em;
  background:rgba(7,9,13,.7);padding:3px 8px;border-radius:30px;backdrop-filter:blur(6px);
}
.detail-tile .tile-cap{
  position:absolute;bottom:12px;left:12px;
  font-size:11px;font-weight:600;color:var(--paper);letter-spacing:-.005em;
  background:rgba(7,9,13,.7);padding:5px 10px;border-radius:30px;backdrop-filter:blur(6px);
}

.lightbox{position:fixed;inset:0;z-index:9000;display:none;background:rgba(7,9,13,.94);align-items:center;justify-content:center;cursor:zoom-out;padding:32px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(540px,90vw);max-height:90vh;border-radius:14px;border:1px solid var(--line-2)}
.lightbox-close{position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;color:var(--paper);font-size:18px;cursor:pointer;background:var(--surface)}

/* ============================================================
   INQUIRY
   ============================================================ */
.inquiry-wrap{
  display:grid;grid-template-columns:1fr 1.4fr;gap:56px;align-items:start;max-width:1100px;margin:0 auto;
}
@media (max-width:900px){.inquiry-wrap{grid-template-columns:1fr}}
.inquiry-left h2{
  font-family:var(--display);font-size:clamp(32px,4vw,46px);font-weight:700;
  letter-spacing:-.025em;line-height:1.1;margin-bottom:18px;
}
.inquiry-left h2 .grad{background:linear-gradient(135deg, var(--accent) 0%, #6EB5FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.inquiry-left p{color:var(--paper-2);font-size:15px;line-height:1.65;margin-bottom:28px;max-width:380px}
.contact-icons{display:grid;gap:10px;margin-bottom:20px}
.contact-icon{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;border-radius:12px;
  border:1px solid var(--hairline);
  background:var(--surface);
  color:var(--paper);
  transition:all .2s;
  text-decoration:none;
}
.contact-icon:hover{
  border-color:var(--accent);
  background:linear-gradient(135deg, var(--accent-soft) 0%, var(--surface) 80%);
  transform:translateX(4px);
}
.contact-icon svg{flex-shrink:0;width:28px;height:28px;color:var(--accent)}
.contact-icon.whatsapp svg{color:#25D366}
.contact-icon.wechat svg{color:#07C160}
.contact-icon.email svg{color:var(--accent)}
.contact-icon .ci-text{display:flex;flex-direction:column;line-height:1.25}
.contact-icon .ci-text b{font-size:11px;font-weight:600;color:var(--paper-3);text-transform:uppercase;letter-spacing:.1em;font-family:var(--mono);margin-bottom:2px}
.contact-icon .ci-text span{font-size:15px;font-weight:600;color:var(--paper)}
.contact-icon .ci-text .arrow{
  display:inline-block;margin-left:6px;
  transition:transform .2s;color:var(--accent);
}
.contact-icon:hover .ci-text .arrow{transform:translateX(4px)}
.contact-icon .wechat-done{display:none;color:var(--accent)}
.contact-icon.wechat.copied .wechat-hint{display:none}
.contact-icon.wechat.copied .wechat-done{display:inline}

.inquiry-meta{
  border-radius:14px;border:1px solid var(--hairline);overflow:hidden;
}
.inquiry-meta div{
  padding:12px 16px;display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--hairline);font-size:13px;
}
.inquiry-meta div:last-child{border-bottom:none}
.inquiry-meta span:first-child{font-family:var(--mono);font-size:11px;color:var(--paper-3);letter-spacing:.04em}
.inquiry-meta span:last-child{color:var(--paper);font-weight:500}

.form-card{
  padding:36px;border-radius:18px;
  background:var(--surface);border:1px solid var(--hairline);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
@media (max-width:700px){.form-grid{grid-template-columns:1fr}}
.field label{
  display:block;font-family:var(--mono);font-size:11px;color:var(--paper-3);
  margin-bottom:6px;letter-spacing:.06em;text-transform:uppercase;
}
.field input,.field select,.field textarea{
  width:100%;background:var(--surface-2);
  border:1px solid var(--hairline);
  border-radius:10px;padding:11px 14px;
  color:var(--paper);font-family:var(--body);font-size:14px;
  transition:border-color .2s, background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#0D1419;
}
.field textarea{min-height:90px;resize:vertical}
.field-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:8px;grid-column:1/-1}
.form-msg{font-size:12px;color:var(--paper-3);font-family:var(--mono)}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list{max-width:780px;margin:0 auto;display:grid;gap:10px}
.faq-item{
  border:1px solid var(--hairline);border-radius:12px;padding:0 22px;
  background:var(--surface);transition:all .2s;
}
.faq-item:hover{border-color:rgba(25,229,182,.28)}
.faq-item summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;
  padding:18px 0;font-weight:600;font-size:15px;letter-spacing:-.005em;
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sign{
  font-family:var(--mono);font-size:18px;color:var(--accent);font-weight:400;
  transition:transform .25s;flex-shrink:0;
}
.faq-item[open] summary .sign{transform:rotate(45deg)}
.faq-item p{padding:0 0 20px;color:var(--paper-2);font-size:14px;line-height:1.7}

/* ============================================================
   FOOTER
   ============================================================ */
footer{padding:64px 28px 28px;border-top:1px solid var(--hairline)}
.foot-grid{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
@media (max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid h5{font-family:var(--mono);font-size:11px;color:var(--paper-3);letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px}
.foot-grid p,.foot-grid li{font-size:13px;color:var(--paper-2);line-height:1.8;list-style:none}
.foot-grid li a:hover{color:var(--accent)}
.foot-brand img{height:320px;margin-bottom:24px}

.copyright{
  max-width:1240px;margin:48px auto 0;padding-top:24px;border-top:1px solid var(--hairline);
  display:flex;justify-content:space-between;font-size:12px;color:var(--paper-3);font-family:var(--mono);letter-spacing:.04em;
}
@media (max-width:700px){.copyright{flex-direction:column;gap:8px;text-align:center}}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s, transform .8s}
.reveal.in{opacity:1;transform:none}

.sticky-cta{
  position:fixed;right:22px;bottom:22px;z-index:50;
  background:var(--accent);color:#031815;
  padding:13px 20px;border-radius:30px;
  font-size:13px;font-weight:700;letter-spacing:-.005em;
  box-shadow:0 14px 30px -8px rgba(25,229,182,.4);
  display:flex;align-items:center;gap:8px;transition:all .2s;
}
.sticky-cta:hover{transform:translateY(-2px);box-shadow:0 18px 40px -8px rgba(25,229,182,.6)}

/* ============================================================
   MOBILE RESPONSIVE — 768px and below
   ============================================================ */
@media (max-width:768px){
  /* NAV — compact, hide deep links, keep logo + CTA */
  .nav{padding:6px 14px;flex-wrap:nowrap}
  .nav-logo img{height:48px}
  .nav-links{display:none}
  .nav-right{gap:8px}
  .lang-switch a{padding:5px 8px;font-size:11px}
  .btn{padding:10px 14px;font-size:13px}

  /* SPLASH — smaller logo, scale frames */
  .splash{padding:60px 20px}
  .splash-logo{margin-bottom:8px}
  .splash-logo img{height:240px;max-width:90vw}
  .spin-stage{width:min(280px,72vw)}
  .splash-meta{margin-top:18px}
  .splash-meta .title{font-size:18px}
  .splash-meta .sub{font-size:10px}
  .splash-progress{width:200px;margin-top:18px}
  .splash-skip{bottom:18px;right:auto;left:50%;transform:translateX(-50%);font-size:10px}

  /* HERO */
  .hero{padding:90px 18px 50px;gap:32px;min-height:auto}
  .hero h1{font-size:clamp(28px,8vw,42px);max-width:100%}
  .hero h1 .small{font-size:0.58em;display:inline-block;margin-top:6px}
  .hero .lead{font-size:15px;line-height:1.6}
  .hero-cta{flex-wrap:wrap;gap:10px}
  .hero-cta .btn{flex:1;min-width:140px;justify-content:center;padding:13px 16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .hero-stats .cell .num{font-size:32px}
  .hero-stats .cell .lbl{font-size:12px}
  .hero-stage{aspect-ratio:1/1;max-width:340px;margin:0 auto}
  .hero-product{max-width:88%}

  /* TECH section */
  .sec{padding:60px 18px}
  .sec-head h2{font-size:clamp(26px,7vw,36px)}
  .sec-head p{font-size:14px}
  .tech-stage{gap:24px}
  .tech-image-wrap{max-width:100%}
  .tech-info{padding:18px}
  .tech-info-content .info-title{font-size:20px}
  .tech-thumbs{flex-wrap:wrap;gap:6px}
  .tech-thumb{padding:7px 10px;font-size:12px}

  /* PRODUCT showcase */
  .showcase{gap:24px}
  .showcase-card{padding:16px}
  .showcase-text h3{font-size:24px}
  .showcase-specs{grid-template-columns:1fr;gap:8px}
  .showcase-specs div{padding:10px 12px}
  .showcase-specs span:first-child{font-size:11px}
  .showcase-specs span:last-child{font-size:13px}
  .swatch-row{flex-wrap:wrap;gap:10px}

  /* CHANNELS / TIERS / DETAILS */
  .channels-grid,.tier-grid,.details-grid{gap:14px}
  .channel-card{padding:18px}
  .channel-card h4{font-size:15px}
  .channel-card p{font-size:13px}
  .tier{padding:24px}
  .tier h3{font-size:22px}
  .tier .moq{font-size:36px}
  .tier ul li{font-size:13px}
  .detail-tile{border-radius:10px}

  /* INQUIRY */
  .inquiry-wrap{gap:22px}
  .inquiry-side,.inquiry-form{padding:22px 18px}
  .inquiry-side h2{font-size:24px}
  .contact-row{flex-wrap:wrap;gap:8px}
  .contact-row .label{font-size:11px;min-width:auto}
  .contact-icon{padding:14px;font-size:14px}
  .form-grid{gap:14px}
  .field input,.field select,.field textarea{font-size:14px;padding:11px 13px}

  /* FAQ */
  .faq-item{padding:0 16px}
  .faq-item summary{padding:14px 0;font-size:14px}
  .faq-item p{font-size:13px;padding:0 0 16px}

  /* FOOTER */
  footer{padding:32px 18px}
  .foot-brand img{height:160px}
  .foot-meta{font-size:11px;flex-direction:column;gap:6px}

  /* STICKY CTA — keep but smaller */
  .sticky-cta{bottom:14px;right:14px;padding:11px 18px;font-size:13px}

  /* Hide orbits on small screens (decorative noise) */
  .hero-stage .orbit{display:none}
}

/* Very small phones (<=380px) */
@media (max-width:380px){
  .nav-logo img{height:42px}
  .splash-logo img{height:180px}
  .hero h1{font-size:clamp(24px,7vw,34px)}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-cta .btn{font-size:12px;padding:11px 12px}