/* ================= METACELL design system — light ================= */
:root{
  --bg:        #f7faf8;
  --bg-2:      #eef5f0;
  --bg-3:      #e3efe7;
  --card:      #ffffff;
  --ink:       #0c2418;
  --mut:       #587265;
  --acc:       #0e7a4e;
  --acc-deep:  #0a5c3b;
  --acc-bright:#149d63;
  --line:      rgba(14,122,78,.18);
  --glow:      rgba(14,122,78,.22);
  --shadow:    0 10px 34px -14px rgba(12,36,24,.18);

  /* easing curves */
  --ease-out:   cubic-bezier(.16,1,.3,1);      /* expo-ish out */
  --ease-spring:cubic-bezier(.34,1.56,.64,1);  /* overshoot */
  --ease-inout: cubic-bezier(.83,0,.17,1);     /* quint in-out */
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  overflow-x:hidden;
  line-height:1.6;
}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.05;font-weight:700;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--acc);color:#fff}

.grad{
  background:linear-gradient(92deg,var(--acc-deep) 10%,var(--acc-bright) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ================= progress bar ================= */
.progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:120;background:transparent}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--acc-deep),var(--acc-bright))}

/* ================= the cursor-companion battery ================= */
.plug-battery{
  position:fixed;top:0;left:0;z-index:210;pointer-events:none;
  display:flex;align-items:center;opacity:0;transition:opacity .2s;will-change:transform;
}
.plug-battery.is-visible{opacity:1}
.pb__body{
  width:32px;height:17px;border-radius:4px;position:relative;overflow:hidden;
  border:2px solid var(--acc);background:#fff;
  box-shadow:0 4px 14px rgba(12,36,24,.25);
}
.pb__charge{
  position:absolute;top:2px;bottom:2px;left:2px;width:72%;border-radius:2px;
  background:linear-gradient(90deg,var(--acc-deep),var(--acc-bright));
  animation:pbBreathe 1.3s var(--ease-inout) infinite;
}
@keyframes pbBreathe{50%{width:88%;filter:brightness(1.15)}}
.pb__cap{width:4px;height:9px;margin-left:1.5px;border-radius:0 2.5px 2.5px 0;background:var(--acc)}

/* ================= nav ================= */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:16px clamp(20px,5vw,64px);
  transition:background .4s,box-shadow .4s,padding .4s var(--ease-out),border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{background:rgba(247,250,248,.85);backdrop-filter:blur(14px);padding-block:10px;border-bottom-color:var(--line);box-shadow:0 4px 24px -18px rgba(12,36,24,.3)}
.nav__logo{display:flex;align-items:center}
.nav__logo img{height:36px;width:auto;display:block;animation:logoAppear 1.8s var(--ease-out) both}
@keyframes logoAppear{
  from{opacity:0;transform:translateY(12px);filter:blur(8px)}
  to{opacity:1;transform:none;filter:blur(0)}
}
.nav__links{display:flex;gap:clamp(14px,3vw,36px);font-size:14.5px;font-weight:500;color:var(--mut)}
.nav__links a{position:relative;padding:4px 0;transition:color .25s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--acc);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease-out)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}
@media (max-width:760px){.nav__links{display:none}}

/* ================= buttons ================= */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  padding:14px 30px;border-radius:999px;font-weight:600;font-size:15px;
  font-family:'Space Grotesk';letter-spacing:.02em;
  transition:transform .25s var(--ease-out),box-shadow .25s,background .25s,color .25s,border-color .25s;
}
.btn--solid{background:linear-gradient(120deg,var(--acc-deep),var(--acc));color:#fff;box-shadow:0 10px 26px -10px var(--glow)}
.btn--solid:hover{transform:translateY(-2px);box-shadow:0 14px 34px -8px var(--glow)}
.btn--ghost{border:1.5px solid var(--line);color:var(--acc-deep);background:#fff}
.btn--ghost:hover{border-color:var(--acc);background:var(--bg-2);transform:translateY(-2px)}
.btn--xl{padding:20px 44px;font-size:17px}
.nav__cta{padding:10px 22px;font-size:13px}

/* ================= reveal system ================= */
[data-reveal]{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
[data-reveal].is-in{opacity:1;transform:none}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line>span{display:inline-block;transform:translateY(110%);transition:transform 1s var(--ease-out)}
.hero__title.is-in .line>span{transform:translateY(0)}
.hero__title.is-in .line:nth-child(2)>span{transition-delay:.09s}
.hero__title.is-in .line:nth-child(3)>span{transition-delay:.18s}

/* ================= hero ================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px clamp(20px,6vw,80px) 80px;overflow:hidden}
.hero__layer{position:absolute;pointer-events:none;will-change:transform}
.hero__grid{
  inset:-60px;opacity:.55;
  background:
    linear-gradient(rgba(14,122,78,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,122,78,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,#000 30%,transparent 75%);
}
.hero__orb{border-radius:50%;filter:blur(70px)}
.hero__orb--a{width:560px;height:560px;top:-140px;right:-100px;background:radial-gradient(circle,rgba(20,157,99,.16),transparent 65%)}
.hero__orb--b{width:460px;height:460px;bottom:-160px;left:-120px;background:radial-gradient(circle,rgba(10,92,59,.12),transparent 65%)}

.hero__inner{position:relative;z-index:2;max-width:820px}
.hero__logo{display:block;width:clamp(260px,30vw,420px);height:auto;margin-bottom:30px}
.hero__logo.is-in{animation:logoAppear 2.4s var(--ease-out) both}
.hero__title{font-size:clamp(46px,8.4vw,110px);margin-bottom:26px}
.hero__sub{color:var(--mut);font-size:clamp(16px,1.6vw,19px);max-width:540px;margin-bottom:38px}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}

.hero__scrollhint{position:absolute;bottom:28px;left:50%;translate:-50%;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--mut);font-size:11px;letter-spacing:.24em;text-transform:uppercase}
.mouse{width:24px;height:38px;border:1.5px solid var(--mut);border-radius:14px;display:block;position:relative}
.wheel{position:absolute;top:7px;left:50%;translate:-50%;width:3px;height:7px;border-radius:3px;background:var(--acc);animation:wheelDrop 1.8s var(--ease-inout) infinite}
@keyframes wheelDrop{0%{opacity:1;transform:translateY(0)}70%{opacity:0;transform:translateY(12px)}100%{opacity:0}}

/* ================= marquee ================= */
.marquee{border-block:1px solid var(--line);padding:16px 0;overflow:hidden;background:var(--bg-2)}
.marquee__track{display:flex;white-space:nowrap;animation:marquee 28s linear infinite;font-family:'Space Grotesk';font-size:14px;letter-spacing:.28em;color:var(--acc-deep)}
.marquee__track span{padding-right:2em}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ================= sections ================= */
.section{position:relative;padding:clamp(90px,12vw,150px) clamp(20px,6vw,80px)}
.section__head{max-width:900px;margin-bottom:clamp(40px,6vw,64px)}
.section__head h2{font-size:clamp(34px,5.4vw,64px)}
.section__sub{color:var(--mut);margin-top:18px;max-width:600px}
.eyebrow{color:var(--acc);font-size:13px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;margin-bottom:16px}

/* ================= products ================= */
.products__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(270px,100%),1fr));gap:22px}
.card{
  position:relative;padding:34px 28px 30px;border-radius:20px;
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:border-color .3s,box-shadow .3s,transform .3s var(--ease-out);
  cursor:pointer;
}
.card:hover{border-color:rgba(14,122,78,.45);transform:translateY(-5px);box-shadow:0 20px 44px -16px rgba(12,36,24,.24)}
.card__icon{width:56px;height:56px;color:var(--acc);margin-bottom:22px;transition:transform .35s var(--ease-spring)}
.card:hover .card__icon{transform:scale(1.08)}
.card__icon svg{width:100%;height:100%}
.card h3{font-size:22px;margin-bottom:12px}
.card p{color:var(--mut);font-size:14.5px;margin-bottom:20px}
.card__specs{list-style:none;display:flex;flex-direction:column;gap:7px;font-size:13.5px;color:var(--ink)}
.card__specs li{display:flex;align-items:center;gap:9px}
.card__specs li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--acc)}
.card__num{position:absolute;top:22px;right:24px;font-family:'Space Grotesk';font-size:15px;color:rgba(88,114,101,.4);letter-spacing:.1em}

/* plug-in socket on each card */
.card__socket{margin-top:22px;display:flex;align-items:center;gap:14px}
.card__slot{
  position:relative;width:66px;height:28px;border-radius:9px;display:inline-block;
  border:2px dashed rgba(14,122,78,.45);background:var(--bg-2);
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.card__slot::before{
  content:"";position:absolute;inset:4px;border-radius:5px;
  background:linear-gradient(90deg,var(--acc-deep),var(--acc-bright));
  box-shadow:0 0 12px var(--glow);
  opacity:0;transform:scale(.4);
  transition:opacity .18s,transform .4s var(--ease-spring);
}
.card__socket:hover .card__slot{border-color:var(--acc);box-shadow:0 0 0 4px rgba(14,122,78,.08)}
.card__socket.is-filled .card__slot{border-style:solid;border-color:var(--acc);background:#fff}
.card__socket.is-filled .card__slot::before{opacity:1;transform:scale(1)}
.card__spark{
  position:absolute;left:50%;top:50%;width:6px;height:6px;translate:-50% -50%;
  border-radius:50%;background:var(--acc-bright);opacity:0;pointer-events:none;
}
.card__socket.is-filled .card__spark{animation:sparkBurst .55s var(--ease-out)}
@keyframes sparkBurst{
  0%{opacity:1;box-shadow:0 0 0 0 rgba(20,157,99,.7)}
  100%{opacity:0;box-shadow:0 0 0 30px rgba(20,157,99,0)}
}
.card__socketlabel{
  font-family:'Space Grotesk';font-size:12.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--mut);transition:color .3s;
}
.card__socket:hover .card__socketlabel,
.card__socket.is-filled .card__socketlabel{color:var(--acc)}

/* powered card state while its sound plays */
.card.is-powered{
  border-color:var(--acc);
  box-shadow:0 0 0 2px var(--acc),0 22px 50px -18px var(--glow);
}
.card.is-powered .card__icon{transform:scale(1.1);animation:iconRumble .45s var(--ease-inout) infinite}
@keyframes iconRumble{25%{rotate:-2.5deg}75%{rotate:2.5deg}}

/* ================= stats band ================= */
.stats{padding-block:clamp(60px,8vw,100px);border-block:1px solid var(--line);background:var(--bg-2)}
.stat-hero{text-align:center;margin-bottom:clamp(44px,6vw,72px)}
.stat-hero__n{
  display:block;font-family:'Space Grotesk';font-weight:700;
  font-size:clamp(60px,10vw,132px);line-height:1;letter-spacing:-.02em;
  background:linear-gradient(92deg,var(--acc-deep) 20%,var(--acc-bright) 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-hero__k{display:block;margin-top:10px;color:var(--mut);font-size:clamp(14px,1.6vw,17px);letter-spacing:.14em;text-transform:uppercase}
.stats__row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;text-align:center}
.stat-big__n{display:block;font-family:'Space Grotesk';font-weight:700;font-size:clamp(40px,5.4vw,64px);color:var(--acc)}
.stat-big__k{color:var(--mut);font-size:14px;letter-spacing:.06em}

/* ================= technology ================= */
.tech{overflow:hidden}
.tech__orb{position:absolute;width:640px;height:640px;left:-260px;top:20%;border-radius:50%;background:radial-gradient(circle,rgba(20,157,99,.1),transparent 65%);filter:blur(70px);pointer-events:none}
.tech__stack{display:flex;flex-direction:column;gap:18px;max-width:760px;margin-inline:auto}
.tlayer{
  padding:28px 32px;border-radius:18px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);will-change:transform;
  transition:border-color .3s;
}
.tlayer:hover{border-color:rgba(14,122,78,.45)}
.tlayer__tag{color:var(--acc);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase}
.tlayer h3{font-size:21px;margin:10px 0 8px}
.tlayer p{color:var(--mut);font-size:14.5px}

/* ================= contact ================= */
.contact{text-align:center;overflow:hidden}
.contact__glow{position:absolute;left:50%;top:55%;translate:-50% -50%;width:820px;height:520px;background:radial-gradient(ellipse,rgba(20,157,99,.12),transparent 65%);filter:blur(60px);pointer-events:none}
.contact__title{position:relative;font-size:clamp(40px,7vw,92px)}
.contact__title span{display:inline-block}
.contact__sub{color:var(--mut);margin:22px auto 40px;max-width:480px;position:relative}
.contact__row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;position:relative}

/* ================= footer ================= */
.footer{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:28px clamp(20px,6vw,80px);border-top:1px solid var(--line);color:var(--mut);font-size:13px;background:var(--bg-2)}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__brand img{height:22px;width:auto;display:block}
.footer__tag{color:var(--acc)}

/* ================= reduced motion ================= */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  [data-reveal]{opacity:1;transform:none}
  .hero__title .line>span{transform:none}
}