@font-face {
  font-family: 'Vazirmatn';
  src: url('/fonts/Vazirmatn-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root { --r:18px; --r-sm:11px; }

body {
  font-family: 'Vazirmatn', system-ui, sans-serif;
  min-height: 100vh; overflow-x: hidden; line-height: 1.5;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background: linear-gradient(-45deg,
    #c7d2fe,#a5f3fc,#ddd6fe,#bfdbfe,
    #e9d5ff,#a5f3fc,#e0e7ff,#c4b5fd);
  background-size: 400% 400%;
  animation: bgM 10s ease infinite;
}
@keyframes bgM { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }

.blob { position:fixed; border-radius:50%; filter:blur(75px); pointer-events:none; z-index:0; }
.b1 { width:500px;height:500px;top:-180px;right:-150px;opacity:.5;
  background:radial-gradient(circle,rgba(139,92,246,.5),transparent 70%);
  animation:bf 20s ease-in-out infinite alternate; }
.b2 { width:420px;height:420px;bottom:-160px;left:-130px;opacity:.45;
  background:radial-gradient(circle,rgba(14,165,233,.45),transparent 70%);
  animation:bf 24s ease-in-out infinite alternate-reverse; }
.b3 { width:300px;height:300px;top:38%;left:38%;opacity:.35;
  background:radial-gradient(circle,rgba(99,102,241,.4),transparent 70%);
  animation:bf 17s ease-in-out infinite alternate; animation-delay:-6s; }
@keyframes bf {
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(22px,-18px) scale(1.05)}
  100%{transform:translate(-15px,18px) scale(.96)}
}

.wrap { max-width:700px; margin:0 auto; padding:0 20px 60px; position:relative; z-index:1; }

/* BRAND */
.topbar { display:flex; justify-content:center; padding:30px 0 0; }
.brand {
  display:flex; align-items:center; gap:10px;
  padding:7px 20px 7px 10px; border-radius:50px;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.82);
  box-shadow:0 2px 16px rgba(99,102,241,.12), inset 0 1px 0 rgba(255,255,255,.9);
}
.brand-icon {
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,#6366f1,#8b5cf6);
  display:grid;place-items:center;
  box-shadow:0 2px 10px rgba(99,102,241,.4);
}
.brand-icon svg { width:16px;height:16px;fill:#fff; }
.brand-name {
  font-size:14px;font-weight:800;letter-spacing:-.3px;
  background:linear-gradient(90deg,#6366f1,#8b5cf6);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.brand-dot {
  width:7px;height:7px;background:#22c55e;border-radius:50%;
  margin-right:2px;box-shadow:0 0 0 2px rgba(34,197,94,.25);
  animation:dp 2.4s ease-in-out infinite;
}
@keyframes dp { 0%,100%{opacity:1} 50%{opacity:.4} }

/* HERO */
.hero { text-align:center; padding:36px 0 30px; }
.hero h1 {
  font-size:clamp(22px,4vw,36px); font-weight:900;
  letter-spacing:-.6px; line-height:1.2; margin-bottom:10px;
  background:linear-gradient(135deg,#1e1b4b,#6366f1,#0ea5e9);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero p { font-size:13px; color:#475569; }

/* SEC LABEL */
.sec-label {
  font-size:10.5px; font-weight:700; letter-spacing:.7px;
  text-transform:uppercase; color:#6366f1;
  background:rgba(99,102,241,.1); border:1px solid rgba(99,102,241,.2);
  padding:3px 12px; border-radius:50px; display:inline-block; margin-bottom:12px;
}

/* PLATFORM GRID */
.plat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:12px; }
@media(max-width:520px){ .plat-grid{grid-template-columns:1fr;} }

.plat-card {
  border-radius:var(--r);
  background:rgba(255,255,255,.45);
  backdrop-filter:blur(24px) saturate(160%);
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  border:1px solid rgba(255,255,255,.78);
  box-shadow:0 4px 20px rgba(99,102,241,.08), inset 0 1px 0 rgba(255,255,255,.9);
  cursor:pointer; overflow:hidden;
  transition:transform .25s, box-shadow .25s, background .25s, border-color .25s;
}
.plat-card:hover { transform:translateY(-4px); box-shadow:0 12px 32px rgba(99,102,241,.17), inset 0 1px 0 rgba(255,255,255,.9); }
.plat-card.sel {
  background:rgba(255,255,255,.65);
  border-color:rgba(99,102,241,.35);
  box-shadow:0 0 0 2px rgba(99,102,241,.25), 0 10px 30px rgba(99,102,241,.15), inset 0 1px 0 white;
  transform:translateY(-4px); cursor:default;
}

.sv { display:flex; flex-direction:column; align-items:center; padding:22px 14px 18px; gap:8px; }
.plat-logo { width:54px;height:54px;border-radius:15px;overflow:hidden;display:grid;place-items:center;background:transparent; }
.plat-logo img { width:78%;height:78%;object-fit:contain; }
.plat-logo .fb { font-size:28px;display:grid;place-items:center;width:100%;height:100%; }
.pname { font-size:13px;font-weight:700;color:#0f172a; }
.psub  { font-size:11px;color:#94a3b8;margin-top:-3px; }

.dv { display:none; flex-direction:column; }
.plat-card.sel .sv { display:none; }
.plat-card.sel .dv { display:flex; }

.dv-head { display:flex;align-items:center;gap:9px;padding:12px 14px 10px;border-bottom:1px solid rgba(99,102,241,.1); }
.dv-logo { width:28px;height:28px;border-radius:8px;overflow:hidden;display:grid;place-items:center;background:transparent;flex-shrink:0; }
.dv-logo img { width:80%;height:80%;object-fit:contain; }
.dv-logo .fb { font-size:16px; }
.dv-pname { font-size:12.5px;font-weight:700;color:#0f172a; }
.dv-back {
  margin-right:auto;font-size:11px;color:#6366f1;font-weight:600;
  cursor:pointer;background:none;border:none;
  font-family:'Vazirmatn',sans-serif;padding:3px 8px;border-radius:6px;transition:background .15s;
}
.dv-back:hover { background:rgba(99,102,241,.08); }

.dv-links { padding:10px 12px 6px;display:flex;flex-direction:column;gap:7px; }

.dl-link {
  display:flex;align-items:center;gap:9px;padding:10px 11px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.82);
  text-decoration:none;color:#0f172a;transition:background .18s, transform .15s;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9);
}
.dl-link:hover { background:rgba(255,255,255,.8); transform:translateX(-2px); }
.dl-link-ico { width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-size:15px;flex-shrink:0; }
.dl-link-title { font-size:12px;font-weight:700;color:#0f172a; }
.dl-link-sub   { font-size:10.5px;color:#94a3b8;margin-top:1px; }
.dl-arr { margin-right:auto;width:22px;height:22px;border-radius:6px;background:rgba(99,102,241,.1);display:grid;place-items:center;flex-shrink:0; }
.dl-arr svg { width:11px;height:11px;fill:#6366f1; }

.guide-btn {
  display:flex;align-items:center;justify-content:center;gap:6px;
  margin:4px 12px 12px;padding:9px;border-radius:var(--r-sm);
  background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.18);
  font-family:'Vazirmatn',sans-serif;font-size:12px;font-weight:700;
  color:#6366f1;cursor:pointer;transition:background .18s, transform .15s;
}
.guide-btn:hover { background:rgba(99,102,241,.15); transform:scale(1.02); }
.guide-btn svg { width:13px;height:13px;fill:#6366f1; }

/* CONFIGS */
.cfg-section { margin-top:4px; }
.cfg-grid { display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px; }
@media(max-width:680px){ .cfg-grid{grid-template-columns:1fr 1fr;} }
@media(max-width:460px){ .cfg-grid{grid-template-columns:1fr;} }

.cfg-card {
  border-radius:var(--r);background:rgba(255,255,255,.45);
  backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%);
  border:1px solid rgba(255,255,255,.78);
  box-shadow:0 4px 20px rgba(99,102,241,.08), inset 0 1px 0 rgba(255,255,255,.9);
  padding:18px 16px 16px;display:flex;flex-direction:column;gap:10px;
}
.cfg-top { display:flex;align-items:center;gap:9px; }
.cfg-dot { width:9px;height:9px;border-radius:50%;flex-shrink:0; }
.cfg-dot.u { background:linear-gradient(135deg,#6366f1,#a78bfa); box-shadow:0 0 6px rgba(99,102,241,.5); }
.cfg-dot.t { background:linear-gradient(135deg,#0ea5e9,#06b6d4); box-shadow:0 0 6px rgba(14,165,233,.5); }
.cfg-dot.g { background:linear-gradient(135deg,#4285F4,#EA4335,#FBBC05,#34A853); box-shadow:0 0 6px rgba(66,133,244,.5); }
.cfg-title { font-size:13px;font-weight:700;color:#0f172a; }
.chips { display:flex;flex-wrap:wrap;gap:5px; }
.chip { font-size:10.5px;color:#64748b;background:rgba(255,255,255,.65);border:1px solid rgba(99,102,241,.12);padding:2px 9px;border-radius:50px; }
.cfg-dl {
  display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border-radius:var(--r-sm);
  font-family:'Vazirmatn',sans-serif;font-size:12.5px;font-weight:700;
  border:none;cursor:pointer;text-decoration:none;transition:filter .18s, transform .15s;
}
.cfg-dl svg { width:13px;height:13px;fill:currentColor; }
.cfg-dl:hover { filter:brightness(1.06); transform:scale(1.015); }
.cfg-card.c1 .cfg-dl { background:linear-gradient(90deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 3px 14px rgba(99,102,241,.3); }
.cfg-card.c2 .cfg-dl { background:linear-gradient(90deg,#0ea5e9,#06b6d4);color:#fff;box-shadow:0 3px 14px rgba(14,165,233,.3); }
.cfg-card.c3 .cfg-dl { background:linear-gradient(90deg,#4285F4,#9b72cb,#d96570,#FBBC05);color:#fff;box-shadow:0 3px 14px rgba(66,133,244,.35); }

/* NOTICE */
.notice {
  display:flex;align-items:flex-start;gap:10px;
  background:rgba(99,102,241,.07);border:1px solid rgba(99,102,241,.18);
  border-radius:var(--r-sm);padding:12px 16px;margin-top:12px;
  font-size:12.5px;color:#475569;line-height:1.65;
}
.ni { font-size:16px;flex-shrink:0;margin-top:1px; }
.notice strong { color:#1e1b4b; }

/* FOOTER */
footer { text-align:center;padding:28px 0 0;font-size:12px;color:#64748b; }
footer strong { background:linear-gradient(90deg,#6366f1,#0ea5e9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text; }

/* REVEAL */
.reveal { opacity:0;transform:translateY(14px);animation:rv .5s cubic-bezier(.22,.68,0,1.2) forwards; }
@keyframes rv { to{opacity:1;transform:translateY(0);} }
.d1{animation-delay:.06s}.d2{animation-delay:.13s}.d3{animation-delay:.2s}.d4{animation-delay:.27s}

/* MODAL */
.modal-overlay {
  position:fixed;inset:0;z-index:100;background:rgba(15,23,42,0.5);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.modal-overlay.open { opacity:1;pointer-events:auto; }
.modal {
  width:100%;max-width:520px;max-height:88vh;border-radius:22px;
  background:rgba(255,255,255,.75);
  backdrop-filter:blur(32px) saturate(180%);-webkit-backdrop-filter:blur(32px) saturate(180%);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 24px 64px rgba(15,23,42,0.2), inset 0 1px 0 rgba(255,255,255,1);
  display:flex;flex-direction:column;
  transform:translateY(20px) scale(.97);
  transition:transform .3s cubic-bezier(.22,.68,0,1.2);overflow:hidden;
}
.modal-overlay.open .modal { transform:translateY(0) scale(1); }
.modal-head { display:flex;align-items:center;gap:12px;padding:18px 20px 14px;border-bottom:1px solid rgba(99,102,241,.1);flex-shrink:0; }
.modal-plat-icon { width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:transparent;flex-shrink:0; }
.modal-plat-icon img { width:90%;height:90%;object-fit:contain; }
.modal-plat-icon .fb { font-size:22px; }
.modal-title { font-size:15px;font-weight:800;color:#0f172a; flex:1; }
.modal-close { width:30px;height:30px;border-radius:8px;background:rgba(99,102,241,.08);border:none;cursor:pointer;display:grid;place-items:center;font-size:16px;color:#64748b;transition:background .15s; }
.modal-close:hover { background:rgba(99,102,241,.16); }
.modal-tabs { display:flex;gap:4px;padding:12px 20px 0;flex-shrink:0; }
.mtab { padding:6px 14px;border-radius:50px;font-family:'Vazirmatn',sans-serif;font-size:12px;font-weight:700;border:none;cursor:pointer;color:#64748b;background:transparent;transition:background .18s, color .18s; }
.mtab.active { background:rgba(99,102,241,.12);color:#6366f1; }
.modal-body { overflow-y:auto;padding:16px 20px 20px;flex:1; }
.steps { display:flex;flex-direction:column;gap:14px; }
.step { display:flex;gap:14px;align-items:flex-start; }
.step-num { width:28px;height:28px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);box-shadow:0 2px 8px rgba(99,102,241,.35);margin-top:1px; }
.step-title { font-size:13px;font-weight:700;color:#0f172a;margin-bottom:3px; }
.step-desc  { font-size:12px;color:#64748b;line-height:1.65; }
.step-desc strong { color:#0f172a; }
.step-desc code { background:rgba(99,102,241,.1);color:#4f46e5;padding:1px 6px;border-radius:5px;font-size:11px;font-family:monospace; }
.tab-panel { display:none; }
.tab-panel.active { display:block; }