/* Frame — user-facing landing page (fa, RTL, dark cinema theme) */
:root{
  --bg:#08080a; --bg2:#0d0d11; --panel:#121218; --panel2:#17171f;
  --line:#23232c; --line2:#2e2e3a;
  --txt:#f4f4f6; --mut:#a2a2af; --dim:#71717e;
  --red:#f0122e; --red2:#ff2745; --gold:#f5b93e;
  --r:20px; --r-lg:28px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:"Vazirmatn",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg); color:var(--txt);
  line-height:1.9; font-size:16px;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
@font-face{font-family:"Vazirmatn";src:url("fonts/Vazirmatn-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("fonts/Vazirmatn-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("fonts/Vazirmatn-Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("fonts/Vazirmatn-Black.woff2") format("woff2");font-weight:900;font-display:swap}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1140px,92%);margin-inline:auto}
.narrow{width:min(820px,92%)}

/* ─── text helpers ─── */
.red{color:var(--red2)}
.gold{color:var(--gold)}
.eyebrow{font-size:.82rem;font-weight:700;letter-spacing:.06em;color:var(--red2);margin-bottom:.6rem}
h1{font-weight:900;font-size:clamp(2.1rem,5.4vw,3.6rem);line-height:1.35}
h2{font-weight:900;font-size:clamp(1.5rem,3.6vw,2.3rem);line-height:1.5;margin-bottom:.7rem}
h3{font-weight:800;font-size:1.06rem;margin-bottom:.4rem}
.sec-lead{color:var(--mut);max-width:60ch}

/* ─── nav ─── */
.nav{position:sticky;top:0;z-index:50;background:rgba(8,8,10,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:1.2rem;height:64px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:900;font-size:1.15rem}
.nav-links{display:flex;gap:1.4rem;margin-inline-start:auto;font-size:.92rem;color:var(--mut)}
.nav-links a:hover{color:var(--txt)}
.nav .btn{flex:none}

/* ─── buttons ─── */
.btn{display:inline-flex;align-items:center;gap:.5rem;border-radius:14px;font-weight:800;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn-red{background:linear-gradient(135deg,var(--red),#c90d24);color:#fff;box-shadow:0 8px 28px rgba(240,18,46,.32)}
.btn-red:hover{background:linear-gradient(135deg,var(--red2),#e01230);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line2);color:var(--txt);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:#4a4a58;background:rgba(255,255,255,.06)}
.btn-sm{padding:.5rem 1rem;font-size:.86rem}
.btn-lg{padding:.95rem 1.9rem;font-size:1.02rem}

/* ─── hero ─── */
.hero{position:relative;padding:5.5rem 0 3.5rem;text-align:center;overflow:hidden}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none}
.glow-a{width:560px;height:560px;background:radial-gradient(circle,rgba(240,18,46,.28),transparent 65%);top:-180px;inset-inline-start:50%;transform:translateX(50%)}
.glow-b{width:420px;height:420px;background:radial-gradient(circle,rgba(245,185,62,.10),transparent 60%);top:120px;inset-inline-end:-140px}
.hero-in{position:relative}
.lead{color:var(--mut);max-width:62ch;margin:1.1rem auto 0;font-size:1.06rem}
.hero-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:1.8rem}
.hero-ver{margin-top:1rem;color:var(--dim);font-size:.85rem}
.hero-ver b{color:var(--gold)}
.hero-shot{
  margin:3rem auto 0;border:1px solid var(--line2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.03) inset;
  background:var(--panel)
}
.hero-shot img{width:100%}
.hero-shot figcaption{font-size:.8rem;color:var(--dim);padding:.7rem 1rem;border-top:1px solid var(--line)}

.stats{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem;margin-top:2.6rem}
.stats li{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:.7rem 1.4rem;min-width:120px
}
.stats b{display:block;font-weight:900;font-size:1.25rem;color:var(--txt)}
.stats span{font-size:.78rem;color:var(--dim)}

/* ─── sections ─── */
.sec{padding:4.5rem 0}
.sec.alt{background:var(--bg2);border-block:1px solid var(--line)}

/* features grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.4rem}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:var(--r);padding:1.5rem 1.3rem;
  transition:.25s
}
.card:hover{border-color:#3a3a46;transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.35)}
.card p{color:var(--mut);font-size:.9rem}
.ic{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:.9rem;
  background:rgba(240,18,46,.12);color:var(--red2);border:1px solid rgba(240,18,46,.25)
}

/* screenshots */
.shots{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2.4rem}
.shot{
  border:1px solid var(--line2);border-radius:var(--r);overflow:hidden;background:var(--panel);
  transition:.25s
}
.shot:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.shot img{width:100%}
.shot figcaption{display:flex;flex-direction:column;padding:.8rem 1rem;border-top:1px solid var(--line)}
.shot figcaption b{font-size:.95rem}
.shot figcaption span{font-size:.8rem;color:var(--dim)}
.shots-mobile{display:flex;justify-content:center;gap:1.2rem;margin-top:1.2rem}
.shot-m{
  width:min(270px,42vw);border:1px solid var(--line2);border-radius:24px;overflow:hidden;background:var(--panel);
  transition:.25s
}
.shot-m:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.shot-m figcaption{display:flex;flex-direction:column;padding:.7rem .9rem;border-top:1px solid var(--line)}
.shot-m figcaption b{font-size:.88rem}
.shot-m figcaption span{font-size:.76rem;color:var(--dim)}

/* darkroom */
.dark{display:grid;grid-template-columns:1fr 1.2fr;gap:2.6rem;align-items:center}
.dark-txt p{color:var(--mut)}
.ticks{list-style:none;margin-top:1.2rem;display:grid;gap:.55rem}
.ticks li{position:relative;padding-inline-start:1.6rem;color:var(--txt);font-size:.94rem}
.ticks li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--red2);font-weight:900}
.dark-shot{border:1px solid var(--line2);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.45)}

/* download */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.4rem}
.dl{
  display:flex;flex-direction:column;align-items:flex-start;gap:.15rem;
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line2);border-radius:var(--r);padding:1.4rem 1.3rem;transition:.22s
}
.dl:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:0 14px 34px rgba(240,18,46,.14)}
.dl .dl-ic{color:var(--txt);margin-bottom:.7rem}
.dl b{font-size:1.05rem;font-weight:900}
.dl span{font-size:.8rem;color:var(--dim)}
.dl .go{margin-top:.9rem;font-style:normal;font-weight:800;font-size:.86rem;color:var(--red2)}
.note{
  margin-top:1.4rem;border:1px solid var(--line);border-radius:16px;
  background:rgba(245,185,62,.06);padding:1rem 1.2rem;font-size:.9rem;color:var(--mut)
}
.note b{color:var(--gold)}
.guide{
  margin-top:1.2rem;border:1px solid var(--line);border-radius:16px;background:var(--panel);
  padding:1rem 1.2rem;font-size:.92rem;color:var(--mut)
}
.guide summary{cursor:pointer;font-weight:800;color:var(--txt)}
.guide ol{margin:1rem 1.2rem 0}
.guide li{margin-bottom:.4rem}
.guide p{margin-top:.8rem}

/* vip */
.vip{background:radial-gradient(ellipse 60% 90% at 50% 0%,rgba(245,185,62,.07),transparent),var(--bg)}
.vip-in{display:grid;grid-template-columns:1.3fr 1fr;gap:2rem;align-items:center}
.vip-txt p{color:var(--mut)}
.vip-cards{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:flex-end}
.vip-chip{
  border:1px solid var(--line2);background:var(--panel);border-radius:999px;
  padding:.5rem 1.2rem;font-weight:800;font-size:.92rem;color:var(--txt)
}
.vip-chip.gold-b{border-color:rgba(245,185,62,.55);color:var(--gold);background:rgba(245,185,62,.08)}

/* faq */
.qa{
  border:1px solid var(--line);border-radius:16px;background:var(--panel);
  padding:1rem 1.2rem;margin-top:.9rem
}
.qa summary{cursor:pointer;font-weight:800}
.qa[open]{border-color:#3a3a46}
.qa p{color:var(--mut);font-size:.94rem;margin-top:.6rem}

/* cta */
.cta{padding:5rem 0;text-align:center;background:
  radial-gradient(ellipse 55% 100% at 50% 100%,rgba(240,18,46,.12),transparent),var(--bg2);
  border-top:1px solid var(--line)}
.cta p{color:var(--mut);margin:.6rem 0 1.6rem}

/* footer */
.foot{border-top:1px solid var(--line);padding:2.4rem 0;background:var(--bg)}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;gap:1.4rem}
.foot-brand{display:flex;align-items:center;gap:.7rem}
.foot-brand b{display:block;font-size:.98rem}
.foot-brand span{display:block;font-size:.78rem;color:var(--dim)}
.foot-links{display:flex;flex-wrap:wrap;gap:1.2rem;margin-inline-start:auto;font-size:.88rem;color:var(--mut)}
.foot-links a:hover{color:var(--txt)}
.foot-copy{width:100%;color:var(--dim);font-size:.8rem;border-top:1px solid var(--line);padding-top:1.2rem;margin-top:.4rem}

/* ─── responsive ─── */
@media (max-width:960px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .dark,.vip-in{grid-template-columns:1fr}
  .vip-cards{justify-content:flex-start}
  .dark-shot{order:-1}
}
@media (max-width:640px){
  .nav-links{display:none}
  .hero{padding-top:3.5rem}
  .shots{grid-template-columns:1fr}
  .grid,.dl-grid{grid-template-columns:1fr}
  .shot-m{width:min(240px,44vw)}
  .stats li{min-width:96px;padding:.6rem .9rem}
  .btn-lg{width:100%;justify-content:center}
}