:root{
  --bg:#08090b;
  --bg-soft:#0d1013;
  --panel:#12161b;
  --panel-2:#161b21;
  --border:#232a33;
  --border-soft:#1b2129;
  --text:#eef1f4;
  --text-dim:#9aa4b2;
  --text-faint:#5b6472;
  --accent:#34d399;
  --accent-2:#22c55e;
  --accent-dim:#10b981;
  --accent-glow: rgba(52,211,153,0.35);
  --amber:#f5a524;
  --amber-glow: rgba(245,165,36,0.30);
  --radius:16px;
  --max:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:auto;}
html.has-lenis{scroll-behavior:auto;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;position:relative;}
img{max-width:100%;display:block;user-select:none;}
.display{font-family:'Space Grotesk',-apple-system,sans-serif;}

/* ---------- custom cursor ---------- */
.cursor-dot, .cursor-ring{
  position:fixed;top:0;left:0;z-index:9999;pointer-events:none;
  border-radius:50%;
  transform:translate(-50%,-50%);
  will-change:transform;
}
.cursor-dot{width:6px;height:6px;background:var(--text);transition:background .2s;}
.cursor-ring{width:34px;height:34px;border:1.5px solid rgba(238,241,244,0.5);transition:width .2s,height .2s,border-color .2s,background .2s;}
.cursor-ring.hovered{width:56px;height:56px;border-color:var(--accent);background:rgba(52,211,153,0.08);}
@media (pointer: coarse){
  .cursor-dot,.cursor-ring{display:none;}
}
body.cursor-active, body.cursor-active a, body.cursor-active button{cursor:none;}

/* ---------- ambient background ---------- */
.bg-layer{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:0.5;will-change:transform;}
.orb-1{width:620px;height:620px;top:-220px;left:-120px;background:radial-gradient(circle,var(--accent-glow),transparent 70%);animation:float1 16s ease-in-out infinite;}
.orb-2{width:520px;height:520px;top:120px;right:-160px;background:radial-gradient(circle,rgba(34,197,94,0.22),transparent 70%);animation:float2 20s ease-in-out infinite;}
.orb-3{width:460px;height:460px;top:900px;left:30%;background:radial-gradient(circle,rgba(52,211,153,0.16),transparent 70%);animation:float3 18s ease-in-out infinite;}
@keyframes float1{0%,100%{transform:translate(0,0);}50%{transform:translate(60px,80px);}}
@keyframes float2{0%,100%{transform:translate(0,0);}50%{transform:translate(-70px,60px);}}
@keyframes float3{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(40px,-50px) scale(1.1);}}

.grid-fade{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle 420px at var(--mx,50%) var(--my,10%), rgba(0,0,0,0.7), transparent 75%);
  -webkit-mask-image:radial-gradient(circle 420px at var(--mx,50%) var(--my,10%), rgba(0,0,0,0.7), transparent 75%);
}
.grain{
  position:fixed;inset:0;z-index:2;pointer-events:none;opacity:0.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- nav ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:14px 0;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
header.scrolled{
  background:rgba(8,9,11,0.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border-soft);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:0 24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-0.01em;}
.brand .logo3d{width:28px;height:28px;border-radius:7px;}
.navlinks{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--text-dim);}
.navlinks a{position:relative;transition:color .2s;}
.navlinks a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);transform:scaleX(0);transition:transform .25s ease;transform-origin:left;}
.navlinks a:hover{color:var(--text);}
.navlinks a:hover::after{transform:scaleX(1);}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:11px;
  font-size:14px;font-weight:600;
  border:1px solid var(--border);
  transition:transform .2s cubic-bezier(.2,.8,.2,1), filter .2s, box-shadow .2s, background .2s;
  white-space:nowrap;
  position:relative;
  isolation:isolate;
}
.btn-primary{
  background:linear-gradient(160deg,#4be8ac 0%, var(--accent-dim) 60%, #0ea86f 100%);
  color:#04140d;
  border:none;
  box-shadow:
    0 2px 0 rgba(255,255,255,0.45) inset,
    0 -3px 6px rgba(0,0,0,0.25) inset,
    0 12px 0 -4px rgba(6,60,42,0.9),
    0 20px 34px -12px var(--accent-glow),
    0 0 0 1px rgba(52,211,153,0.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px) scale(1.02);}
.btn-primary:active{transform:translateY(3px) scale(0.99);box-shadow:0 2px 0 rgba(255,255,255,0.3) inset, 0 3px 0 -2px rgba(6,60,42,0.9), 0 8px 20px -10px var(--accent-glow);}
.btn-ghost{color:var(--text);background:var(--panel);}
.btn-ghost:hover{background:var(--panel-2);transform:translateY(-2px);border-color:#2c3542;}
.btn[disabled], .btn.disabled{opacity:0.4;cursor:not-allowed;pointer-events:none;}

main{position:relative;z-index:1;}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:140px 0 60px;position:relative;
}
.hero-canvas{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  opacity:0;transition:opacity 1.2s ease;
}
.hero-canvas.ready{opacity:1;}
.hero-canvas canvas{display:block;width:100%;height:100%;}
.hero-content{position:relative;z-index:2;max-width:900px;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--text-dim);font-size:13px;font-weight:500;
  margin-bottom:30px;
  box-shadow:0 0 0 1px rgba(255,255,255,0.02) inset;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px 2px var(--accent-glow);animation:pulse 2s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.4;}}

h1{
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(38px,7vw,76px);
  line-height:1.02;
  letter-spacing:-0.03em;
  margin:0 0 22px;
  font-weight:600;
}
h1 .word{display:inline-block;overflow:hidden;}
h1 .accent{
  background:linear-gradient(120deg,#5cf0b4,var(--accent) 40%,#1fb583);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sub{max-width:600px;margin:0 auto 36px;color:var(--text-dim);font-size:18px;}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:14px;}
.cta-note{font-size:13px;color:var(--text-faint);}

/* ---------- skills cards ---------- */
section{padding:140px 0;position:relative;}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px;}
.tag{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:14px;display:block;}
h2{font-family:'Space Grotesk',sans-serif;font-size:clamp(28px,3.8vw,44px);letter-spacing:-0.02em;margin:0 0 14px;font-weight:600;}
.section-head p{color:var(--text-dim);font-size:16px;margin:0;}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{
  background:linear-gradient(160deg, var(--panel-2), var(--panel));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 28px;
  position:relative;
  transform-style:preserve-3d;
  transition:transform .15s ease-out, border-color .2s, box-shadow .2s;
  will-change:transform;
}
.card:hover{border-color:#2b3542;box-shadow:0 24px 60px -24px rgba(0,0,0,0.55), 0 0 0 1px rgba(52,211,153,0.12);}
.card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  background:radial-gradient(circle 180px at var(--px,50%) var(--py,50%), rgba(52,211,153,0.12), transparent 60%);
  opacity:0;transition:opacity .25s;pointer-events:none;
}
.card:hover::before{opacity:1;}
.card .icn{
  width:48px;height:48px;border-radius:12px;
  background:rgba(52,211,153,0.12);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:var(--accent);
  box-shadow:0 0 0 1px rgba(52,211,153,0.18) inset;
  transform:translateZ(20px);
}
.card .icn svg{width:24px;height:24px;}
.card h3{font-size:18px;margin:0 0 10px;font-weight:650;transform:translateZ(10px);}
.card p{font-size:14.5px;color:var(--text-dim);margin:0;position:relative;line-height:1.6;}

/* ---------- pinned product showcase ---------- */
.showcase{padding:0;}
.showcase-pin{
  height:100vh;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.showcase-frame{
  position:relative;width:min(880px,86vw);border-radius:14px;overflow:hidden;
  border:1px solid var(--border);
  background:var(--panel);
  box-shadow:0 60px 140px -40px rgba(0,0,0,0.7);
  will-change:transform;
}
.showcase-frame::before{
  content:"";display:block;height:34px;background:#14181d;
  border-bottom:1px solid var(--border-soft);
}
.showcase-frame img{width:100%;display:block;}
.showcase-img{opacity:1;}
.showcase-img.skills{position:absolute;inset:0;top:34px;opacity:0;}
.showcase-anno{
  position:absolute;padding:10px 16px;border-radius:10px;
  background:rgba(13,16,19,0.85);backdrop-filter:blur(8px);
  border:1px solid var(--border);font-size:13px;font-weight:600;
  color:var(--text);opacity:0;pointer-events:none;white-space:nowrap;
}
.showcase-anno::before{
  content:"";position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px 2px var(--accent-glow);
  left:-16px;top:50%;transform:translateY(-50%);
}
.showcase-label{
  position:absolute;top:36px;left:24px;font-size:12px;letter-spacing:0.08em;
  text-transform:uppercase;color:var(--text-faint);font-weight:700;
}

/* ---------- privacy ---------- */
.privacy{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;}
.privacy-shot-wrap{position:relative;}
.privacy-shot-wrap::before{
  content:"";position:absolute;inset:-40px;z-index:-1;border-radius:50%;
  background:radial-gradient(circle, var(--accent-glow), transparent 65%);
  filter:blur(30px);opacity:0.5;
}
.privacy-shot{
  border-radius:18px;border:1px solid var(--border);overflow:hidden;
  box-shadow:0 40px 90px -34px rgba(0,0,0,0.6);
  transform-style:preserve-3d;transition:transform .12s ease-out;will-change:transform;
}
.privacy p.intro{color:var(--text-dim);font-size:16px;margin:0;}
.privacy p.intro a{color:var(--accent);}
.privacy ul{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:16px;}
.privacy li{display:flex;gap:12px;font-size:15px;color:var(--text-dim);opacity:0;transform:translateX(-16px);transition:opacity .5s, transform .5s;}
.privacy li.in{opacity:1;transform:translateX(0);}
.privacy li .chk{
  flex:none;width:20px;height:20px;border-radius:50%;
  background:rgba(52,211,153,0.15);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
  margin-top:2px;
}
.privacy li b{color:var(--text);}
.badge{
  display:inline-block;font-size:11px;font-weight:700;
  color:var(--accent);background:rgba(52,211,153,0.1);
  border:1px solid rgba(52,211,153,0.25);
  padding:3px 8px;border-radius:6px;margin-bottom:14px;
  letter-spacing:0.06em;
}

/* ---------- how it works ---------- */
.steps-wrap{position:relative;max-width:960px;margin:0 auto;}
.steps-line{position:absolute;top:22px;left:0;right:0;height:2px;}
.steps-line svg{width:100%;height:2px;display:block;overflow:visible;}
.steps-line path{stroke:var(--accent);stroke-width:2;fill:none;}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step{position:relative;padding-top:56px;transition:transform .2s;}
.step:hover{transform:translateY(-4px);}
.step .num{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:12px;
  background:var(--bg);color:var(--accent);border:1px solid rgba(52,211,153,0.3);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  box-shadow:0 0 20px -4px var(--accent-glow);
}
.step h4{margin:0 0 8px;font-size:17px;font-weight:650;}
.step p{margin:0;color:var(--text-dim);font-size:14.5px;line-height:1.6;}

/* ---------- download ---------- */
.download{background:var(--bg-soft);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);position:relative;overflow:hidden;}
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:760px;margin:0 auto;}
.dl-card{
  background:linear-gradient(160deg,var(--panel-2),var(--panel));border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;text-align:center;transition:transform .2s cubic-bezier(.2,.8,.2,1), border-color .2s;
}
.dl-card:hover{transform:translateY(-6px);border-color:#2b3542;}
.dl-card .os-icon{width:36px;height:36px;margin:0 auto 14px;color:var(--text-dim);}
.dl-card .os-icon svg{width:100%;height:100%;}
.dl-card h3{margin:0 0 6px;font-size:18px;}
.dl-card .ver{color:var(--text-faint);font-size:13px;margin-bottom:20px;}
.dl-card .btn{width:100%;justify-content:center;padding:13px 18px;}
.dl-note{max-width:420px;margin:14px auto 0;color:var(--text-faint);font-size:12px;line-height:1.6;}
.dl-note a{color:var(--accent);}
.reqs{max-width:760px;margin:44px auto 0;color:var(--text-faint);font-size:13px;text-align:center;border-top:1px solid var(--border-soft);padding-top:24px;}
.reqs a{color:var(--accent);}

footer{padding:52px 0 68px;text-align:center;position:relative;}
.foot-brand{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;margin-bottom:10px;}
.foot-brand img{width:20px;height:20px;border-radius:5px;}
footer p{color:var(--text-faint);font-size:13px;margin:4px 0;}
footer a{color:var(--text-dim);transition:color .2s;}
footer a:hover{color:var(--accent);}

@media (max-width:840px){
  .grid3{grid-template-columns:1fr;}
  .privacy{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;gap:36px;}
  .steps-line{display:none;}
  .step{padding-top:0;padding-left:56px;}
  .step .num{top:0;left:0;}
  .navlinks{display:none;}
  section{padding:88px 0;}
  .hero{padding:120px 0 40px;min-height:auto;}
  .card, .privacy-shot{transform:none !important;}
  .showcase-pin{height:auto;padding:60px 0;flex-direction:column;}
  .showcase-frame{position:relative;}
  .showcase-anno{display:none;}
  .showcase-img.skills{position:static;opacity:1;top:auto;margin-top:16px;}
  .showcase-label{position:static;display:block;margin-bottom:16px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}