:root{
  --bg:#0B0908;
  --surface:#161210;
  --surface-2:#1E1815;
  --border:rgba(255,255,255,.09);
  --text-1:#F5EFE8;
  --text-2:#A79B8F;
  --text-3:#6E6357;
  --accent:#FF8A3D;
  --accent-2:#FF4D6D;
  --grad:linear-gradient(135deg,#FFB454,#FF7A3D);
  --grad-vivid:linear-gradient(135deg,#FFB454 0%,#FF7A3D 45%,#FF4D6D 100%);
  --grad-text:linear-gradient(180deg,#F5EFE8 0%,#C9BCAD 100%);
  --m1:rgba(109,91,208,.14);
  --m2:rgba(120,110,245,.09);
  --m3:rgba(255,138,61,.11);
  --font-logo:'Archivo',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font-body);background:var(--bg);color:var(--text-1);
  -webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden;
  background-image:
    radial-gradient(46% 44% at 12% 14%, var(--m1) 0%, transparent 72%),
    radial-gradient(30% 34% at 86% 56%, var(--m2) 0%, transparent 70%),
    radial-gradient(40% 36% at 46% 90%, var(--m3) 0%, transparent 72%);
  background-attachment:fixed;
}
a{text-decoration:none;color:inherit}

/* ---- nav (pill, matches the landing) ---- */
body > nav{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:50;
  width:min(780px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:9px 12px 9px 18px;
  background:rgba(22,18,16,.78);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--border);border-radius:999px;
  box-shadow:0 8px 32px rgba(0,0,0,.28);
}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
.pm{width:20px;height:20px;flex:0 0 auto}
.pm .cell{fill:var(--accent);fill-opacity:.16}
.pm .mover{animation:shuffle 4.4s ease-in-out infinite}
@keyframes shuffle{
  0%,22%{transform:translate(0,0)}
  27%,47%{transform:translate(9.4px,0)}
  52%,72%{transform:translate(9.4px,9.4px)}
  77%,97%{transform:translate(0,9.4px)}
  100%{transform:translate(0,0)}
}
.logo-text{font-family:var(--font-logo);font-weight:800;font-size:15px;letter-spacing:-.02em}
.logo-text .lw2{background:var(--grad-vivid);-webkit-background-clip:text;background-clip:text;color:transparent}
.links{display:flex;gap:22px}
.links a{color:var(--text-2);font-size:13.5px;font-weight:500;transition:color .2s}
.links a:hover{color:var(--text-1)}
.links a.active{color:var(--text-1)}
.nav-right{display:flex;align-items:center;gap:8px}
.user-menu{position:relative}
.user-menu-trigger{display:inline-flex;align-items:center;gap:8px;padding:3px 10px 3px 4px;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--text-1);font-size:13px;font-weight:600;transition:border-color .2s,background .2s}
.user-menu-trigger:hover,.user-menu.open .user-menu-trigger{border-color:var(--accent);background:var(--surface-2)}
.user-menu-avatar{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:14px;line-height:1;background:var(--surface-2);flex:0 0 auto;overflow:hidden}
.user-menu-avatar.avatar-preset{background:transparent}
img.user-menu-avatar{object-fit:cover}
.user-menu-name{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-menu-chevron{color:var(--text-2);transition:transform .18s ease;flex:0 0 auto}
.user-menu.open .user-menu-chevron{transform:rotate(180deg)}
.user-menu-dropdown{position:absolute;top:calc(100% + 10px);inset-inline-end:0;min-width:210px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:0 16px 40px rgba(0,0,0,.4);opacity:0;visibility:hidden;transform:translateY(-6px) scale(.98);transform-origin:top;transition:opacity .16s ease,transform .16s ease,visibility .16s;z-index:60}
.user-menu.open .user-menu-dropdown{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.user-menu-header{padding:10px 12px;border-bottom:1px solid var(--border);margin-bottom:6px}
.user-menu-fullname{display:block;font-size:13.5px;font-weight:600;color:var(--text-1)}
.user-menu-email{display:block;font-size:12px;color:var(--text-3);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border:none;background:transparent;border-radius:9px;color:var(--text-1);font-size:13.5px;font-weight:500;text-align:start;transition:background .15s;text-decoration:none}
.user-menu-item:hover{background:var(--surface-2)}
.user-menu-item svg{color:var(--text-2);flex:0 0 auto}
.user-menu-item--logout{color:var(--accent-2)}
.user-menu-item--logout:hover{background:rgba(255,77,109,.12)}
.user-menu-item--logout svg{color:var(--accent-2)}
.user-menu-dropdown form{margin:0}
.ghost{color:var(--text-1);font-size:13px;font-weight:500;padding:7px 13px;border-radius:999px;transition:background .2s}
.ghost:hover{background:var(--border)}
.btn{
  font-family:var(--font-body);font-size:13px;font-weight:600;border:none;cursor:pointer;
  color:#1A0D02;background:var(--grad);padding:8px 16px;border-radius:999px;white-space:nowrap;
  box-shadow:0 4px 16px rgba(255,138,61,.35);
  transition:transform .15s ease,filter .15s ease;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.07)}

/* ---- page body ---- */
.page{max-width:760px;margin:0 auto;padding:140px 24px 80px}
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--accent);display:flex;align-items:center;gap:12px;margin-bottom:24px;
}
.eyebrow::before{content:"";width:32px;height:1px;background:linear-gradient(90deg,transparent,var(--accent));opacity:.55}
h1{
  font-size:clamp(28px,4.5vw,44px);font-weight:700;letter-spacing:-.03em;line-height:1.15;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{margin-top:18px;color:var(--text-2);font-size:16.5px;line-height:1.7}
.lede + .lede{margin-top:12px}

/* ---- cards / grid ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:44px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px;
  transition:border-color .25s,transform .25s;
}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card .icon{font-size:26px;line-height:1;margin-bottom:16px}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.card p{font-size:13.5px;color:var(--text-2);line-height:1.6}

/* ---- form ---- */
.field{margin-bottom:20px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--text-1)}
input,textarea{
  width:100%;font-family:var(--font-body);font-size:14.5px;color:var(--text-1);
  background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 14px;
  transition:border-color .2s,box-shadow .2s;
}
input::placeholder,textarea::placeholder{color:var(--text-3)}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,138,61,.15)}
textarea{resize:vertical;min-height:150px}
.err{color:var(--accent-2);font-size:12.5px;margin-top:6px}
.status{
  margin-top:20px;padding:14px 16px;border-radius:12px;font-size:14px;
  background:rgba(255,138,61,.1);border:1px solid rgba(255,138,61,.3);color:var(--text-1);
}
.btn-submit{font-size:14.5px;padding:13px 26px;width:100%;margin-top:8px}

/* ---- footer ---- */
.site-footer{border-top:1px solid var(--border);padding:40px 24px 56px;text-align:center;color:var(--text-3);font-size:13px}
.site-footer .flinks{display:flex;gap:22px;justify-content:center;margin-bottom:16px;flex-wrap:wrap}
.site-footer .flinks a{color:var(--text-2);transition:color .2s}
.site-footer .flinks a:hover{color:var(--text-1)}

@media (max-width:640px){.links{display:none}}
@media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important}}

/* ---- language toggle ---- */
.lang-toggle{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;border:1px solid var(--border);color:var(--text-2);text-decoration:none;font-size:12px;font-weight:700;letter-spacing:.04em;line-height:1;white-space:nowrap;transition:color .2s,border-color .2s,background .2s}
.lang-toggle:hover{color:var(--text-1);border-color:var(--accent);background:rgba(255,255,255,.03)}
.lang-flag{font-size:15px;line-height:1}
.lang-code{line-height:1}

/* ---- RTL (Persian) ---- */
html[lang="fa"]{--font-body:'iranyekan','Inter',system-ui,sans-serif}
html[lang="fa"] h1,html[lang="fa"] h2,html[lang="fa"] h3{letter-spacing:0}

/* ============================================================
   Mobile navigation (burger + full-screen drawer)
   ============================================================ */
.nav-burger{display:none;width:44px;height:44px;flex:0 0 auto;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;color:var(--text-1);cursor:pointer;transition:border-color .2s}
.nav-burger svg{width:20px;height:20px}
.nav-burger:active{border-color:var(--accent)}

.mobile-menu{position:fixed;inset:0;z-index:200;background:var(--bg);display:flex;flex-direction:column;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}
.mobile-menu.open{opacity:1;visibility:visible;pointer-events:auto}
.mm-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);min-height:64px}
.mm-brand{font-family:var(--font-logo);font-weight:800;font-size:16px;letter-spacing:-.02em}
.mm-brand .lw2{background:var(--grad-vivid);-webkit-background-clip:text;background-clip:text;color:transparent}
.mm-close{width:44px;height:44px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-1);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.mm-links{display:flex;flex-direction:column;gap:4px;padding:16px;overflow-y:auto;flex:1}
.mm-links a{display:flex;align-items:center;padding:16px 14px;border-radius:14px;color:var(--text-1);font-size:18px;font-weight:600;text-decoration:none;transition:background .15s}
.mm-links a:active,.mm-links a:hover{background:var(--surface-2)}
.mm-links a.active{color:var(--accent)}
.mm-foot{padding:16px 20px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--border);display:flex;flex-direction:column;gap:14px}
.mm-foot .lang-toggle{justify-content:center;padding:14px 16px;font-size:13px}
.mm-auth{display:flex;gap:10px}
.mm-auth a,.mm-auth .mm-logout{flex:1}
.mm-auth .mm-primary,.mm-auth .mm-secondary,.mm-logout button{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;border-radius:999px;font-size:14px;font-weight:600;text-decoration:none}
.mm-auth .mm-primary{background:var(--grad);color:#1A0D02;border:none;font-family:inherit;cursor:pointer}
.mm-auth .mm-secondary{background:var(--surface);color:var(--text-1);border:1px solid var(--border)}
.mm-logout{margin:0;display:flex}
.mm-logout button{background:var(--grad);color:#1A0D02;border:none;font-family:inherit;cursor:pointer}

/* ---- mobile: larger touch targets + nav collapse ---- */
@media (max-width:640px){
  body > nav{width:calc(100% - 24px);padding:6px 8px 6px 14px;min-height:56px}
  body > nav .brand{min-height:44px}
  .links{display:none}
  .nav-right{display:none}
  .nav-burger{display:flex}
  .btn,.ghost{min-height:44px;padding:10px 18px;font-size:14px}
  .page{padding:116px 20px 64px}
  .site-footer .flinks{gap:8px}
  .site-footer .flinks a{display:inline-flex;align-items:center;justify-content:center;padding:13px 16px;border-radius:999px;border:1px solid var(--border);color:var(--text-2)}
  .site-footer .flinks a:active{color:var(--text-1);border-color:var(--accent)}
}