/* pro2.css — next-gen interactions */
.hero{position:relative;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-10% -5% auto;height:520px;z-index:-1;pointer-events:none;background:radial-gradient(420px circle at var(--gx,50%) var(--gy,30%),rgba(139,124,255,.28),transparent 65%);transition:background .2s}
.m-marq{overflow:hidden;border-block:1px solid var(--line);padding:16px 0;-webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.m-marq__t{display:flex;gap:12px;width:max-content;animation:m-marq 38s linear infinite}
.m-marq:hover .m-marq__t{animation-play-state:paused}
.m-marq__t span{font:600 13px var(--mono);padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;color:var(--text-2);background:var(--panel);white-space:nowrap}
@keyframes m-marq{to{transform:translateX(-50%)}}
@media(min-width:900px){.features__grid{grid-template-columns:repeat(3,1fr)}.features .feat:first-child{grid-column:span 2;background:linear-gradient(135deg,rgba(139,124,255,.16),var(--panel))!important}}
.btn,.m-share a{will-change:transform}
.m-kbd{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:80;padding:8px 14px;border:1px solid var(--line-2);border-radius:999px;background:var(--panel);font:12px var(--mono);color:var(--text-dim);opacity:0;pointer-events:none;transition:opacity .4s}
.m-kbd.show{opacity:.95}
.m-note{margin-top:28px;padding:16px 18px;border:1px solid var(--line-2);border-left:3px solid var(--amber);border-radius:12px;background:var(--panel);color:var(--text-2);font-size:15px;line-height:1.6}
.m-split{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin:20px 0}
@media(max-width:760px){.m-kbd{display:none}}
/* i18n */
.m-lang{position:relative}.m-lang>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 12px;border:1px solid var(--line-2);border-radius:12px;background:var(--panel);color:var(--text-2);font:600 13px var(--type)}
.m-lang>summary::-webkit-details-marker{display:none}.m-lang>summary:hover,.m-lang[open]>summary{border-color:var(--amber);color:var(--amber-hi)}.m-lang--icon>summary{width:40px;padding:0;justify-content:center;margin-inline-end:6px}
.m-lang ul{position:absolute;inset-inline-end:0;top:calc(100% + 8px);z-index:150;margin:0;padding:6px;list-style:none;min-width:200px;max-height:70vh;overflow:auto;border:1px solid var(--line-2);border-radius:14px;background:var(--panel);box-shadow:0 24px 60px -16px rgba(0,0,0,.7)}
.m-lang li a{display:block;padding:9px 12px;border-radius:8px;color:var(--text-2);font-size:14px}.m-lang li a:hover,.m-lang li a[aria-current]{background:var(--panel-2);color:var(--amber-hi)}
.m-langs{max-width:var(--wrap,1120px);margin:0 auto;padding:18px 20px 28px;border-top:1px solid var(--line)}.m-langs ul{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0;padding:0;list-style:none}.m-langs a{font-size:13px;color:var(--text-dim)}.m-langs a:hover{color:var(--amber-hi)}
.m-langbar{position:fixed;inset-inline-end:18px;bottom:76px;z-index:96;max-width:min(420px,calc(100vw - 36px));display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 16px;border:1px solid var(--line-2);border-radius:16px;background:var(--panel);box-shadow:0 24px 60px -16px rgba(0,0,0,.7);font-size:14px;color:var(--text);opacity:0;transform:translateY(14px);transition:.4s}.m-langbar.show{opacity:1;transform:none}
@media(max-width:760px){.m-langbar{inset-inline:12px;bottom:calc(90px + env(safe-area-inset-bottom,0px));max-width:none}}
@media(max-width:1400px){.nav__links a[href="#community"]{display:none}}
/* RTL + Arabic */
[dir=rtl] .ins,[dir=rtl] .ins__term,[dir=rtl] .ins__panel pre,[dir=rtl] .ins__steps li{direction:ltr;text-align:left}
[dir=rtl] .ins__tabs{direction:ltr}[dir=rtl] .m-note{border-left:1px solid var(--line-2);border-right:3px solid var(--amber)}
html[lang^=ar] body{font-family:"IBM Plex Sans Arabic","Noto Sans Arabic","Segoe UI",Tahoma,system-ui,sans-serif}
html[lang^=ar] .m-hero h1{letter-spacing:0;line-height:1.35}
.m-faq{border:1px solid var(--line);border-radius:14px;background:var(--panel);margin:10px 0;padding:0 18px}.m-faq summary{cursor:pointer;padding:16px 0;font-weight:600;color:var(--text)}.m-faq p{margin:0 0 16px;color:var(--text-2)}
.nav__brand{direction:ltr;unicode-bidi:isolate}
.m-hero h1{font-size:clamp(30px,5vw,54px)}.m-hero .m-lede{margin-bottom:6px}
/* AlphaX Free — royal gold */
.model.is-free{position:relative;overflow:hidden;color:#2A1B00!important;font-weight:800;letter-spacing:.01em;background:linear-gradient(135deg,#FFF1B8 0%,#F0C94A 38%,#D9A21B 70%,#B8860B 100%)!important;border:1px solid #FFE08A!important;box-shadow:0 0 0 1px rgba(255,215,0,.35),0 12px 34px -10px rgba(232,180,40,.65),inset 0 1px 0 rgba(255,255,255,.6);padding-inline-start:14px}
.model.is-free .model__dot{width:auto;height:auto;background:none!important;font-size:15px;line-height:1;margin-inline-end:2px}
.model.is-free .model__dot::before{content:"♛";color:#5B3A00}
.model.is-free::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,rgba(255,255,255,.65) 50%,transparent 65%);transform:translateX(-130%);animation:m-gold 4.5s ease-in-out infinite}
@keyframes m-gold{60%,100%{transform:translateX(130%)}}
.model.is-free:hover{transform:translateY(-2px) scale(1.03)}
.stat__num.is-free,.hero__free strong{background:linear-gradient(120deg,#FFE9A0,#E8B428,#B8860B);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
/* RTL: keep terminal/code surfaces left-to-right */
[dir=rtl] .boot,[dir=rtl] .code,[dir=rtl] pre,[dir=rtl] .bench__row,[dir=rtl] .hero__sub code,[dir=rtl] code{direction:ltr;text-align:left;unicode-bidi:isolate}
[dir=rtl] .hero__sub code,[dir=rtl] .faq__item code,[dir=rtl] p code{display:inline-block}
@media(min-width:700px){.models__grid .model.is-free{grid-column:span 2;font-size:15px;padding-block:14px}}