.platform{padding-bottom:clamp(5rem,10vw,8rem)}.platform__grid{grid-template-columns:15rem 1fr;gap:clamp(2rem,5vw,5rem);display:grid}.platform__index{top:calc(var(--nav-h) + 2rem);align-self:start;gap:.15rem;display:grid;position:sticky}.platform__index button{border-left:1px solid var(--line);text-align:left;font-size:var(--fs-sm);color:var(--muted);align-items:baseline;gap:.8rem;padding:.55rem 0 .55rem .9rem;font-weight:560;transition:color .3s,border-color .3s;display:flex}.platform__index button span{font-size:var(--fs-3xs)}.platform__index button:hover{color:var(--fg)}.platform__index button.is-active{color:var(--fg);border-color:var(--accent)}.platform__index button.is-active span{color:var(--accent)}.platform__index button.is-locked{opacity:.55}.platform__index button.is-locked:hover{opacity:1}.platform__index button.is-locked svg{color:var(--accent);flex:none;align-self:center;margin-left:auto}.platform__list{gap:clamp(5rem,11vw,9rem);min-width:0;display:grid}.module{scroll-margin-top:calc(var(--nav-h) + 1rem);gap:2rem;display:grid}.module__head{gap:1rem;display:grid}.module__n{font-size:var(--fs-2xs);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.module__title{font-size:clamp(2rem,4vw,3.4rem)}.module__media{display:grid}.module__media--pair{grid-template-columns:1fr 1fr;align-items:start;gap:1rem}.module__points{grid-template-columns:1fr 1fr;gap:0 2rem;list-style:none;display:grid}.module__points li{border-bottom:1px solid var(--line);font-size:var(--fs-md);gap:.7rem;padding:.85rem 0;display:flex}.module__points li:before{content:"";background:var(--accent);flex:none;width:.8rem;height:1px;margin-top:.75em}.platform__more-card{scroll-margin-top:calc(var(--nav-h) + 1rem);border:1px solid var(--line);border-radius:14px;justify-items:start;gap:1rem;padding:clamp(2rem,4vw,3.5rem);display:grid}.platform__more-title{font-size:clamp(2rem,4vw,3.4rem)}.platform__locked{grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:1rem;width:100%;margin-top:.5rem;list-style:none;display:grid}.platform__locked li{border:1px dashed var(--line);border-radius:10px;align-content:start;gap:.5rem;padding:1.1rem 1.2rem;display:grid}.platform__locked strong{font-size:var(--fs-base);font-weight:650}.platform__locked a{font-size:var(--fs-sm);color:var(--muted);align-items:center;gap:.45rem;transition:color .3s;display:inline-flex}.platform__locked a:hover{color:var(--accent)}.platform__more-card .btn{margin-top:.5rem}@media (max-width:960px){.platform__grid{grid-template-columns:1fr}.platform__index{display:none}}@media (max-width:640px){.module__points,.module__media--pair{grid-template-columns:1fr}}.pstep{display:none}@media (max-width:960px) and (prefers-reduced-motion:no-preference){.platform__list>.module{display:none}.platform__grid{padding-block:clamp(3rem,8vw,5rem) clamp(4rem,10vw,6rem)}.platform{--step-progress:0;padding-bottom:0}.pstep{height:100svh;display:block}.pstep__inner{height:100%;padding-top:calc(var(--nav-h) - 4px);grid-template-rows:auto minmax(0,1fr) auto;gap:14px;padding-bottom:80px;display:grid}.pstep__head{gap:8px;display:grid}.pstep__meta{font-size:var(--fs-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);align-items:center;gap:12px;display:flex}.pstep__meta small{font-size:inherit;color:var(--muted)}.pstep__meta i{background:var(--line);flex:1;height:1px;position:relative}.pstep__meta i:after{content:"";background:var(--accent);transform-origin:0;transform:scaleX(var(--step-progress));position:absolute;inset:0}.pstep__title{font-size:var(--fs-2xl);letter-spacing:-.03em;animation:pstep-in .55s var(--ease-out) both;font-weight:700;line-height:1.1}.pstep__media{margin-inline:calc(var(--gutter) * -1);background:var(--panel);position:relative;overflow:hidden}.pstep__slide{opacity:0;transition:opacity .5s, scale .8s var(--ease-out);flex-direction:column;gap:8px;padding:10px;display:flex;position:absolute;inset:0;scale:1.03}.pstep__slide.is-active{opacity:1;scale:1}.pstep__slide img{object-fit:contain;flex:1;width:100%;min-height:0}.pstep__body{min-height:16rem;animation:pstep-in .6s var(--ease-out) 50ms both;align-content:start;gap:10px;display:grid}.pstep__line{font-size:var(--fs-base);color:var(--fg);line-height:1.5}.pstep__points{font-size:var(--fs-md);color:var(--muted);gap:6px;line-height:1.45;list-style:none;display:grid}.pstep__points li{gap:8px;display:flex}.pstep__points li:before{content:"";background:var(--accent);flex:none;width:.8rem;height:1px;margin-top:.72em}}@keyframes pstep-in{0%{opacity:0;transform:translateY(10px)}}@media (max-width:960px) and (max-height:760px){.pstep__body{min-height:11.5rem}.pstep__points li:nth-child(n+4){display:none}}