/* ===========================================================
   ProSoft Solutions — shared site styles
   =========================================================== */
:root{
  /* ---- dark (default) ---- */
  --bg:#070a12;
  --bg-2:#0b1020;
  --panel:#0f1525;
  --panel-2:#141c30;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.15);
  --text:#eef1f9;
  --muted:#a3afc9;
  --muted-2:#6f7c98;
  --accent:#6d8bff;
  --accent-2:#a855f7;
  --accent-soft:rgba(109,139,255,.14);
  --fill:rgba(255,255,255,.05);
  --fill-strong:rgba(255,255,255,.09);
  --nav-bg:rgba(7,10,18,.72);
  --shadow:rgba(0,0,0,.8);
  --asb-bg:#ffffff;     /* App Store badge pill */
  --asb-fg:#0a0d14;     /* App Store badge ink  */
  --radius:20px;
  --maxw:1140px;
  --grad:linear-gradient(135deg,#6d8bff 0%,#8b6bff 50%,#a855f7 100%);
  --grad-soft:linear-gradient(135deg,rgba(109,139,255,.16),rgba(168,85,247,.10));
}
/* ---- light (auto follows system) ---- */
@media (prefers-color-scheme: light){
  :root:not([data-theme]){
    --bg:#ffffff; --bg-2:#f4f6fb; --panel:#ffffff; --panel-2:#f6f8fc;
    --line:rgba(18,24,45,.10); --line-strong:rgba(18,24,45,.17);
    --text:#0f1422; --muted:#46506a; --muted-2:#79839b;
    --accent:#4f63e6; --accent-2:#9333ea; --accent-soft:rgba(79,99,230,.12);
    --fill:rgba(18,24,40,.05); --fill-strong:rgba(18,24,40,.08);
    --nav-bg:rgba(255,255,255,.80); --shadow:rgba(20,30,60,.14);
    --asb-bg:#000000; --asb-fg:#ffffff;
    --grad-soft:linear-gradient(135deg,rgba(79,99,230,.10),rgba(147,51,234,.07));
  }
}
/* ---- light (explicit) ---- */
:root[data-theme="light"]{
  --bg:#ffffff; --bg-2:#f4f6fb; --panel:#ffffff; --panel-2:#f6f8fc;
  --line:rgba(18,24,45,.10); --line-strong:rgba(18,24,45,.17);
  --text:#0f1422; --muted:#46506a; --muted-2:#79839b;
  --accent:#4f63e6; --accent-2:#9333ea; --accent-soft:rgba(79,99,230,.12);
  --fill:rgba(18,24,40,.05); --fill-strong:rgba(18,24,40,.08);
  --nav-bg:rgba(255,255,255,.80); --shadow:rgba(20,30,60,.14);
  --asb-bg:#000000; --asb-fg:#ffffff;
  --grad-soft:linear-gradient(135deg,rgba(79,99,230,.10),rgba(147,51,234,.07));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background .25s ease,color .25s ease;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0}
p{margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid var(--accent-soft);padding:7px 14px;border-radius:999px;
}
.accent-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:650;font-size:16px;padding:14px 24px;border-radius:14px;cursor:pointer;
  border:1px solid transparent;transition:transform .15s ease,box-shadow .25s ease,background .2s ease;
}
.btn-primary{background:var(--grad);color:#0a0d18;box-shadow:0 10px 30px -10px rgba(109,139,255,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(109,139,255,.7)}
.btn-ghost{background:var(--fill);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:var(--fill-strong);transform:translateY(-2px)}
.btn-sm{padding:11px 18px;font-size:15px}

/* official-style App Store badge (theme-aware: black on light, white on dark) */
.appstore-badge{display:inline-flex;align-items:center;line-height:0;min-height:40px;transition:transform .15s ease,opacity .2s ease}
.appstore-badge:hover{transform:translateY(-2px);opacity:.9}
.appstore-badge svg{height:50px;width:auto;display:block}
.appstore-badge.sm svg{height:40px}
.appstore-badge .asb-pill{fill:var(--asb-bg)}
.appstore-badge .asb-ink{fill:var(--asb-fg)}

/* theme switcher */
.theme-toggle{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--fill)}
.theme-toggle button{display:grid;place-items:center;width:30px;height:28px;border:0;border-radius:999px;background:transparent;color:var(--muted-2);cursor:pointer;font:inherit;font-size:11px;font-weight:700;padding:0;transition:color .15s ease,background .15s ease}
.theme-toggle button svg{width:15px;height:15px}
.theme-toggle button:hover{color:var(--text)}
.theme-toggle button[aria-pressed="true"]{background:var(--panel);color:var(--accent);box-shadow:0 1px 3px var(--shadow)}

/* nav */
nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand-mark{
  width:36px;height:36px;flex:none;
  display:grid;place-items:center;background:transparent;
}
.brand-mark img{width:100%;height:100%;object-fit:contain;display:block}
.nav-links{display:flex;gap:30px;align-items:center;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:14px}
@media(max-width:860px){.nav-links{display:none}.nav-cta .btn-ghost{display:none}}

/* sections */
section{padding:90px 0}
.sec-head{max-width:680px;margin:0 auto 56px;text-align:center}
.sec-head h2{font-size:clamp(28px,3.6vw,42px);font-weight:800}
.sec-head p{color:var(--muted);margin-top:16px;font-size:18px}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg);padding:48px 0 42px}
.foot{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.foot .brand{font-size:15px}
.foot-col h4{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px;font-weight:600}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:9px}
.foot-col a:hover{color:var(--text)}
.foot-cols{display:flex;gap:60px;flex-wrap:wrap}
.foot-bottom{margin-top:38px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:13px}
@media(max-width:680px){.foot-cols{gap:36px}}

/* legal / content pages */
.doc{max-width:780px;margin:0 auto;padding:64px 0 90px}
.doc .eyebrow{margin-bottom:18px}
.doc h1{font-size:clamp(32px,4.4vw,46px);font-weight:800}
.doc .updated{color:var(--muted-2);font-size:14px;margin-top:14px}
.doc h2{font-size:23px;font-weight:750;margin:42px 0 12px}
.doc h3{font-size:17px;font-weight:700;margin:26px 0 8px}
.doc p,.doc li{color:var(--muted);font-size:16px}
.doc p{margin:12px 0}
.doc ul{margin:12px 0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.doc a.inline{color:var(--accent);border-bottom:1px solid var(--accent-soft)}
.doc a.inline:hover{color:var(--accent-2)}
.doc .lead{color:var(--text);font-size:18px;margin-top:18px}
.callout{background:var(--grad-soft);border:1px solid var(--accent-soft);border-radius:16px;padding:20px 22px;margin:24px 0;color:var(--text);font-size:15px}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}