:root{--color-bg: #0c0c12;--color-sky: #0f181f;--color-primary: #ff8a00;--color-secondary: #0c0706;--color-muted: #bcc0c2;--color-success: #61ce70;--color-button: #ffba00;--color-article-bg: #00293b;--color-cream: #f0e2cc;--color-shadow-brown: #281f16;--credit-default: #c4c4c4;--credit-signature-hover: #00ff41;--credit-asset-hover: var(--color-primary);--font-display: "IRANSans", "Vazirmatn", "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--transition-fast: .22s;--transition-slow: .9s}@font-face{font-family:IRANSans;src:url(/fonts/IRANSansWeb.woff2) format("woff2"),url(/fonts/IRANSansWeb_Regular.woff) format("woff");font-weight:400;font-display:swap}@font-face{font-family:IRANSans;src:url(/fonts/IRANSansWeb_Medium.woff2) format("woff2"),url(/fonts/IRANSansWeb_Medium.woff) format("woff");font-weight:500;font-display:swap}@font-face{font-family:IRANSans;src:url(/fonts/IRANSansWeb_Bold.woff2) format("woff2"),url(/fonts/IRANSansWeb_Bold.woff) format("woff");font-weight:700;font-display:swap}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--color-bg);color:var(--color-cream);font-family:var(--font-display);overflow:hidden}#app{position:relative;width:100vw;height:100vh;height:100dvh}#intro-bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;display:block}.intro{position:relative;z-index:1;display:flex;width:100%;height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.intro::-webkit-scrollbar{display:none}.intro[data-locked=true] .intro__cta--lang{opacity:.6}.intro__content{display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.1rem;padding:2rem;position:relative;isolation:isolate;margin:auto;max-width:100%}.intro__content:before{content:"";position:absolute;top:-2rem;right:-3rem;bottom:-2rem;left:-3rem;z-index:-1;background:radial-gradient(ellipse at center,#0c0c12ad,#0c0c1280 45%,#0c0c1200 72%);pointer-events:none}.intro__logo{width:clamp(80px,9vw,200px);height:auto;opacity:.95;animation:logo-drift 6s ease-in-out infinite}@media (min-width: 1600px){.intro__logo{width:clamp(320px,20vw,512px)}}.intro__title{margin:0;font-weight:700;font-size:clamp(2.25rem,6vw,4.5rem);letter-spacing:.01em;color:var(--color-cream);text-shadow:0 0 40px rgba(255,138,0,.25)}.intro__tagline{margin:0;max-width:34rem;display:flex;flex-direction:column;gap:.2rem;color:var(--color-cream);font-size:clamp(.85rem,1.6vw,1rem);line-height:1.8;text-shadow:0 1px 12px rgba(0,0,0,.6)}.intro__tagline [lang=en]{font-size:.88em;opacity:.75}.intro__credits{display:flex;flex-direction:column;align-items:center;gap:.35rem;font-family:var(--font-mono);font-size:.85rem}.credit,.credit:link,.credit:visited{color:var(--credit-default);text-decoration:none;transition:color var(--transition-fast) ease,text-shadow var(--transition-fast) ease}.credit--signature:hover,.credit--signature:focus-visible{color:var(--credit-signature-hover);text-shadow:0 0 10px rgba(0,255,65,.55)}.credit--asset{font-size:.75rem;opacity:.8;cursor:default}.credit--asset a,.credit--asset a:link,.credit--asset a:visited{color:inherit;text-decoration:underline;transition:color var(--transition-fast) ease,text-shadow var(--transition-fast) ease}.credit--asset a:hover,.credit--asset a:focus-visible{color:var(--credit-asset-hover);text-shadow:0 0 10px rgba(255,138,0,.55)}.intro__cta{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;background:#0c0c1259;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid rgba(240,226,204,.35);color:var(--color-cream);font-family:var(--font-display);font-size:.95rem;text-decoration:none;border-radius:999px;cursor:pointer;transition:border-color var(--transition-fast) ease,background var(--transition-fast) ease,box-shadow var(--transition-fast) ease,transform var(--transition-fast) ease,opacity var(--transition-fast) ease}.intro__cta:hover,.intro__cta:focus-visible{border-color:var(--color-primary);background:#ff8a001a}.intro__cta:active{transform:scale(.97)}.intro__cta:disabled{cursor:default}.intro__cta-glyph{flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 12px 2px #ff8a00b3;animation:pulse 1.8s ease-in-out infinite}.intro__actions{--guide-h: 2.5rem;--guide-gap: .6rem;--actions-gap: 1.1rem;--lang-d: calc(var(--guide-h) * 2 + var(--guide-gap));display:flex;flex-direction:row;align-items:center;justify-content:center;gap:var(--actions-gap);direction:ltr;margin-top:.5rem;max-width:100%}.intro__guides{display:flex;flex-direction:column;gap:var(--guide-gap)}.intro__cta--guide{height:var(--guide-h);width:min(16rem,calc(100vw - 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