/* PZee site: dark ink base, each app brings its own light.
   Fonts: Bricolage Grotesque (display) + Figtree (text). */
:root{
  --bg:#070a12;
  --bg-2:#0b1020;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.1);
  --text:#eef1f8;
  --muted:#98a3bb;
  --faint:#66718a;
  --green:#2bd9a0;
  --blue:#6a96ff;
  --amber:#ffc24a;
  --head:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Figtree",system-ui,sans-serif;
  --r:22px;
  --a:var(--green);
  --a-glow:rgba(43,217,160,.28);
  --a-ink:#04130d;
}
.t-green{--a:var(--green);--a-glow:rgba(43,217,160,.28);--a-ink:#04130d}
.t-blue{--a:var(--blue);--a-glow:rgba(106,150,255,.3);--a-ink:#06102a}
.t-amber{--a:var(--amber);--a-glow:rgba(255,194,74,.28);--a-ink:#241700}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  font-family:var(--body);font-size:17px;line-height:1.65;
  background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
/* ambient light: one glow per app, fixed behind everything */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(620px 460px at 12% -4%,rgba(43,217,160,.16),transparent 70%),
    radial-gradient(640px 500px at 92% 6%,rgba(106,150,255,.18),transparent 70%),
    radial-gradient(560px 460px at 70% 108%,rgba(255,194,74,.1),transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--a);outline-offset:3px;border-radius:8px}
h1,h2,h3{font-family:var(--head);line-height:1.04;letter-spacing:-.025em;font-weight:800}
h1{font-size:clamp(2.7rem,6.4vw,5.1rem);letter-spacing:-.04em}
h2{font-size:clamp(1.9rem,3.8vw,3rem)}
h3{font-size:1.25rem;letter-spacing:-.015em}
p{color:var(--muted)}
.wrap{width:min(1140px,100% - 48px);margin-inline:auto}
section{padding:clamp(64px,9vw,112px) 0}

/* ---------- nav ---------- */
.nav{position:sticky;top:12px;z-index:50;padding:0 12px}
.nav .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 12px 10px 18px;border-radius:999px;
  background:rgba(12,17,32,.66);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  width:min(1140px,100% - 24px);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--head);font-weight:800;font-size:1.3rem;letter-spacing:-.02em}
.nav ul{display:flex;align-items:center;gap:4px;list-style:none}
.nav li a{display:block;text-decoration:none;color:var(--muted);font-weight:600;font-size:.95rem;padding:8px 14px;border-radius:999px;transition:color .2s,background .2s}
.nav li a:hover{color:var(--text);background:var(--surface)}
.nav li a.btn{color:var(--a-ink);background:var(--text);margin-left:6px;padding:9px 18px}
.nav li a.btn:hover{background:#fff}
@media(max-width:820px){.nav li:not(:last-child){display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  font-weight:700;font-size:1rem;padding:14px 24px;border-radius:999px;
  background:var(--a);color:var(--a-ink);border:1px solid transparent;
  box-shadow:0 10px 40px -10px var(--a-glow);
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 48px -8px var(--a-glow)}
.btn.ghost{background:var(--surface);color:var(--text);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{background:var(--surface-2)}
.btn svg{width:18px;height:18px;flex:none}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- hero ---------- */
.hero{padding:clamp(48px,7vw,96px) 0 clamp(40px,6vw,80px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{margin-bottom:24px}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:34em;color:var(--muted)}
.hero-note{margin-top:26px;font-size:.95rem;color:var(--faint);display:flex;align-items:center;gap:10px}
.hero-note i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);flex:none}

.fan{position:relative;height:clamp(420px,52vw,600px)}
.fan img{
  position:absolute;width:min(46%,260px);height:auto;aspect-ratio:9/16;object-fit:cover;
  border-radius:26px;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 70px -20px rgba(0,0,0,.8),0 0 0 6px rgba(255,255,255,.03);
  top:50%;
}
.fan img:nth-child(1){left:2%;transform:translateY(-44%) rotate(-8deg);z-index:1}
.fan img:nth-child(2){left:27%;transform:translateY(-54%);z-index:3;width:min(50%,284px)}
.fan img:nth-child(3){right:2%;transform:translateY(-44%) rotate(8deg);z-index:2}
@media(prefers-reduced-motion:no-preference){
  .fan img{animation:fan-in .9s cubic-bezier(.2,.7,.2,1) both}
  .fan img:nth-child(1){animation-delay:.1s}
  .fan img:nth-child(2){animation-delay:.25s}
  .fan img:nth-child(3){animation-delay:.4s}
  @keyframes fan-in{from{opacity:0;translate:0 40px}to{opacity:1;translate:0 0}}
}

/* ---------- facts strip ---------- */
.facts{padding:0 0 clamp(48px,7vw,88px)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.fact{padding:26px 28px;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
.fact b{display:block;font-family:var(--head);font-size:2.3rem;line-height:1;letter-spacing:-.03em;margin-bottom:8px}
.fact span{font-size:.95rem;color:var(--muted)}

/* ---------- section heads ---------- */
.section-head{max-width:40rem;margin-bottom:clamp(32px,5vw,56px)}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:1.1rem}

/* ---------- apps bento ---------- */
.apps{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
.card{
  position:relative;display:flex;flex-direction:column;gap:14px;overflow:hidden;
  text-decoration:none;padding:30px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,background .25s;
}
.card::after{
  content:"";position:absolute;width:320px;height:320px;right:-120px;top:-140px;border-radius:50%;
  background:radial-gradient(closest-side,var(--a-glow),transparent);pointer-events:none;opacity:.9;
}
.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--a) 55%,transparent);background:var(--surface-2)}
.card.live{grid-row:span 2;padding:34px}
.card .icon{width:56px;height:56px;border-radius:17px;background:var(--a);display:grid;place-items:center;position:relative;z-index:1}
.card .icon svg{width:28px;height:28px}
.card h3{font-size:1.6rem;position:relative;z-index:1}
.card.live h3{font-size:2.1rem}
.card p{position:relative;z-index:1;max-width:30em}
.live-list{list-style:none;display:grid;gap:10px;margin-top:6px;position:relative;z-index:1}
.live-list li{display:flex;gap:10px;color:var(--text);font-weight:500;font-size:.98rem}
.live-list li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;border-radius:50%;background:var(--a) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.4l2.6 2.6L13 6.4' fill='none' stroke='%2304130d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.card .shots-mini{display:flex;gap:10px;margin-top:10px;position:relative;z-index:1}
.card .shots-mini img{width:calc((100% - 20px)/3);aspect-ratio:9/16;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.meta{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.status{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;padding:6px 14px;border-radius:999px;background:color-mix(in srgb,var(--a) 16%,transparent);color:var(--a);border:1px solid color-mix(in srgb,var(--a) 30%,transparent)}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.go{font-weight:700;font-size:.95rem;color:var(--text);border-bottom:2px solid var(--a);padding-bottom:1px}

/* ---------- routinic spotlight ---------- */
.spot{background:linear-gradient(180deg,transparent,rgba(43,217,160,.05) 30%,transparent)}
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:6px 24px 26px;scroll-snap-type:x mandatory;
  margin-inline:calc(50% - 50vw);padding-inline:max(24px,calc(50vw - 570px));
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent;
}
.rail img{flex:none;width:min(230px,56vw);aspect-ratio:9/16;object-fit:cover;border-radius:22px;border:1px solid var(--line);scroll-snap-align:start;box-shadow:0 20px 50px -20px #000}
.spot-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

/* ---------- principles ---------- */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.principle{padding:30px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.principle .pi{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;background:color-mix(in srgb,var(--a) 16%,transparent);border:1px solid color-mix(in srgb,var(--a) 35%,transparent)}
.principle .pi svg{width:24px;height:24px;stroke:var(--a);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.principle h3{margin-bottom:10px}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);padding:clamp(32px,5vw,64px);border-radius:32px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(106,150,255,.1),rgba(255,255,255,.03) 60%)}
.about h2{margin-bottom:0}
.about p+p{margin-top:16px}
.about p{font-size:1.08rem}
.stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.stack span{font-size:.9rem;font-weight:600;padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text)}
.founder{display:flex;align-items:center;gap:14px;margin-top:30px}
.founder .av{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-family:var(--head);font-weight:800;color:#06102a;background:conic-gradient(from 200deg,var(--green),var(--blue),var(--amber),var(--green))}
.founder b{display:block;color:var(--text);line-height:1.2}
.founder small{color:var(--muted);font-size:.9rem}

/* ---------- how we work ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.step{padding:28px;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{font-size:.95rem}
.step em{font-style:normal;font-family:var(--head);font-weight:800;color:var(--a);display:block;margin-bottom:14px;font-size:1.05rem}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:820px}
.faq details{border:1px solid var(--line);border-radius:18px;background:var(--surface);transition:background .2s,border-color .2s}
.faq details[open]{background:var(--surface-2);border-color:rgba(255,255,255,.18)}
.faq summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--muted);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 24px 22px;max-width:46em}

/* ---------- contact ---------- */
.cta-panel{position:relative;overflow:hidden;text-align:center;padding:clamp(40px,7vw,88px) 24px;border-radius:36px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(43,217,160,.14),rgba(106,150,255,.12) 55%,rgba(255,194,74,.1))}
.cta-panel h2{max-width:14em;margin:0 auto 16px}
.cta-panel p{max-width:34em;margin:0 auto}
.cta-panel .cta-row{justify-content:center}
.contact{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}
.contact a{text-decoration:none;padding:24px 26px;border-radius:20px;background:var(--surface);border:1px solid var(--line);transition:border-color .2s,background .2s}
.contact a:hover{background:var(--surface-2);border-color:rgba(255,255,255,.22)}
.contact b{display:block;font-family:var(--head);font-size:1.15rem;margin-bottom:4px}
.contact span{color:var(--muted);word-break:break-word}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:clamp(32px,5vw,64px)}
.foot{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.foot p{font-size:.95rem;max-width:22em;margin-top:12px}
.foot h4{font-family:var(--head);font-size:1rem;margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:10px}
.foot a{color:var(--muted);text-decoration:none;font-size:.95rem}
.foot a:hover{color:var(--text)}
.legalline{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);color:var(--faint);font-size:.9rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- app pages (Invoxa, MathWorksheetPDF) ---------- */
.app-hero{padding:clamp(40px,6vw,80px) 0}
.app-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.crumb{display:inline-block;margin-bottom:26px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem}
.crumb:hover{color:var(--text)}
.app-hero .icon{width:68px;height:68px;border-radius:20px;background:var(--a);display:grid;place-items:center;margin-bottom:22px;box-shadow:0 14px 40px -10px var(--a-glow)}
.app-hero .icon svg{width:34px;height:34px}
.app-hero h1{font-size:clamp(2.4rem,5vw,4rem);margin:16px 0 20px}
.app-stage{position:relative;display:grid;place-items:center;padding:44px 0;border-radius:36px;border:1px solid var(--line);background:radial-gradient(closest-side at 50% 40%,var(--a-glow),transparent 80%),var(--surface)}
.phone{width:min(260px,70vw);aspect-ratio:9/18.5;border-radius:38px;padding:9px;background:#161c2e;border:1px solid rgba(255,255,255,.18);box-shadow:0 40px 80px -20px #000}
.phone .screen{height:100%;border-radius:30px;background:#0d1323;padding:34px 16px 16px;display:flex;flex-direction:column;gap:9px;position:relative;overflow:hidden}
.phone .screen::before{content:"";position:absolute;top:10px;left:50%;translate:-50% 0;width:70px;height:18px;border-radius:99px;background:#05070d}
.phone .title{font-family:var(--head);font-weight:800;font-size:1.3rem;color:var(--text)}
.phone .total{font-family:var(--head);font-weight:800;font-size:1.9rem;color:var(--a);margin-bottom:4px}
.phone .row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 13px;border-radius:13px;background:rgba(255,255,255,.06);color:var(--text);font-size:.9rem;font-weight:600}
.chip{font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:99px;background:color-mix(in srgb,var(--a) 22%,transparent);color:var(--a)}
.chip.amber{background:rgba(255,194,74,.2);color:var(--amber)}
.chip.blue{background:rgba(106,150,255,.2);color:var(--blue)}
.phone .bar{margin-top:auto;text-align:center;padding:13px;border-radius:13px;font-weight:800;font-size:.9rem;background:var(--a);color:var(--a-ink)}
.phone .paper{background:#f4f1e8;color:#1d2433;border-radius:10px;padding:14px;font-size:.82rem;display:grid;gap:9px}
.phone .paper .head{font-weight:800;border-bottom:1px solid #c9c4b3;padding-bottom:8px}
.phone .paper p{color:#1d2433}
.status.solo{margin:0}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{padding:26px;border-radius:20px;background:var(--surface);border:1px solid var(--line)}
.feature h3{font-size:1.1rem;margin-bottom:8px}
.feature h3::before{content:"";display:block;width:34px;height:4px;border-radius:4px;background:var(--a);margin-bottom:16px}
.feature p{font-size:.97rem}
.notice{padding:clamp(28px,4vw,48px);border-radius:28px;border:1px solid color-mix(in srgb,var(--a) 35%,transparent);background:color-mix(in srgb,var(--a) 8%,transparent);max-width:820px}
.notice h2{font-size:1.7rem;margin-bottom:14px}
.notice p{color:var(--text);opacity:.85}
.notice p+p{margin-top:14px}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero .wrap,.app-hero .wrap,.about{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr}
  .card.live{grid-row:auto}
  .principles,.features{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(2){border-right:0}
  .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:16px}
  .facts .wrap{grid-template-columns:1fr 1fr}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .principles,.features,.contact,.steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .card,.card.live{padding:24px}
  .fan{height:440px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}