/* ProjectATC 1.0 release guide — an editorial spread within the existing manual. */
.release-guide .page{max-width:1120px;padding:34px clamp(22px,4vw,54px) 76px;background:#f3f5f6;border-right:0;}
.release-guide .page>header.release-hero{display:grid;grid-template-columns:minmax(250px,.78fr) minmax(0,1.22fr);gap:24px;align-items:stretch;padding:0;margin:0 0 22px;border:1px solid #34454d;background:#101a20;color:#eff5f6;}
.release-hero-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:clamp(24px,4vw,46px);}
.release-guide .crumb{display:flex;gap:12px;align-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.15em;color:#aab9c0;}
.release-guide .crumb .n{color:#8dd6e5;}
.release-guide .page h1{max-width:12ch;margin:19px 0 14px;font-size:clamp(34px,5vw,59px);line-height:.99;letter-spacing:-.035em;color:#f6f8f8;}
.release-guide .dek{max-width:42ch;color:#bdc9ce;font-size:16px;line-height:1.62;}
.release-stamp{display:flex;align-items:center;gap:12px;margin-top:18px;padding:8px 11px;border:1px solid #3b525c;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#9cabb2;}
.release-stamp b{color:#98e3ae;font-size:13px;}
.release-stamp i{font-style:normal;}
.release-cover{position:relative;min-height:290px;margin:0;background:#081116;overflow:hidden;}
.release-cover img{display:block;width:100%;height:100%;min-height:290px;max-height:520px;object-fit:cover;object-position:center;}
.release-cover figcaption{position:absolute;right:12px;bottom:12px;left:12px;padding:9px 12px;background:rgba(7,15,19,.88);border-left:2px solid #70d3e4;color:#d5dfe2;font:11px/1.5 var(--sans);}
.release-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 30px;border:1px solid #b6c2c7;background:#e9edef;}
.release-summary>div{display:flex;flex-direction:column;gap:5px;padding:15px 17px;border-right:1px solid #cbd3d7;}
.release-summary>div:last-child{border-right:0;}
.summary-index,.shot-tag{font:10px var(--mono);letter-spacing:.13em;color:#61717a;}
.release-summary b{font:600 20px/1.2 var(--sans);color:#15232a;}
.release-summary small{font:12px/1.45 var(--sans);color:#53636b;}
.release-guide .page h2{margin-top:43px;padding-top:13px;border-top:1px solid #c5cdd1;}
.release-guide .page h2 .n{color:#1386a0;}
.release-shot{margin:25px 0 30px;border:1px solid #344850;background:#0b161c;padding:10px;}
.release-shot img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain;background:#071116;}
.release-shot figcaption{display:flex;flex-wrap:wrap;gap:9px;align-items:baseline;padding:10px 4px 2px;color:#adbbc1;font:12px/1.5 var(--sans);}
.release-shot .shot-tag{color:#82dbea;}
.release-shot-wide{max-width:100%;}
.release-diagram .well{padding:clamp(9px,2vw,18px);}
.release-diagram figcaption{max-width:78ch;}
.release-guide .aside{max-width:none;margin:22px 0;background:#fff5e5;border-color:#e4c78f;}
.release-guide .aside p{max-width:80ch;}
.movement-flow{display:grid;grid-template-columns:minmax(0,1fr) 20px minmax(0,1fr) 20px minmax(0,1fr) 20px minmax(0,1fr);align-items:center;gap:6px;margin:23px 0 9px;padding:14px;background:#13212a;border:1px solid #354b57;}
.movement-flow>div{display:flex;min-height:92px;flex-direction:column;justify-content:center;gap:5px;padding:10px;background:#1a2c36;border:1px solid #354c57;}
.movement-flow>div>span{font:10px var(--mono);color:#78d8e7;letter-spacing:.1em;}
.movement-flow b{font:600 13px var(--sans);color:#f1f5f6;}
.movement-flow small{font:11px/1.4 var(--sans);color:#b8c6cc;}
.movement-flow>i{height:1px;background:#80d9e7;position:relative;}
.movement-flow>i:after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1px solid #80d9e7;border-right:1px solid #80d9e7;transform:rotate(45deg);}
.radio-flow{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1fr);align-items:center;gap:8px;margin:22px 0;padding:14px;background:#13212a;border:1px solid #354b57;}
.radio-flow>div{display:flex;min-height:78px;flex-direction:column;justify-content:center;gap:8px;padding:12px;border-left:2px solid #67d4e5;background:#1a2c36;}
.radio-flow span{font:10px var(--mono);letter-spacing:.1em;color:#83ddeb;}
.radio-flow b{font:600 13px/1.4 var(--sans);color:#f1f5f6;}
.radio-flow>i{text-align:center;color:#83ddeb;font:20px var(--mono);font-style:normal;}
.fine-note{font-size:12px!important;color:#63737b!important;}
.release-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:38px 0 0;padding-top:20px;border-top:1px solid #b9c5ca;}
.release-related a{display:flex;flex-direction:column;gap:9px;min-height:145px;padding:16px;border:1px solid #bcc7cc;background:#fff;text-decoration:none!important;}
.release-related a:hover{border-color:#16849b;background:#f0fafb;}
.release-related span{font:10px var(--mono);letter-spacing:.1em;color:#64757c;}
.release-related b{font:600 15px/1.35 var(--sans);color:#19272e;}
.release-related i{margin-top:auto;font:11px var(--mono);font-style:normal;color:#007a91;}
.release-guide .position-practice{max-width:none;margin:0 0 20px;}
@media(max-width:1080px){
  .release-guide .manual{grid-template-columns:var(--rail-w) minmax(0,1fr);}
  .release-guide .manual .toc{display:none;}
}
@media(max-width:760px){
  .release-guide .page{padding:20px 16px 48px;}
  .release-guide .page>header.release-hero{grid-template-columns:1fr;gap:0;}
  .release-hero-copy{padding:25px 22px;}
  .release-cover{min-height:0;}
  .release-cover img{min-height:0;max-height:none;aspect-ratio:16/9;}
  .release-summary{grid-template-columns:1fr;}
  .release-summary>div{border-right:0;border-bottom:1px solid #cbd3d7;}
  .release-summary>div:last-child{border-bottom:0;}
  .movement-flow{grid-template-columns:1fr;gap:7px;}
  .movement-flow>div{min-height:0;padding:12px;}
  .movement-flow>i{width:1px;height:12px;margin-left:18px;}
  .movement-flow>i:after{top:auto;right:-3px;bottom:0;transform:rotate(135deg);}
  .radio-flow{grid-template-columns:1fr;gap:6px;}
  .radio-flow>div{min-height:0;}
  .radio-flow>i{transform:rotate(90deg);}
  .release-related{grid-template-columns:1fr;}
}
@media(max-width:560px){
  .release-guide .manual{display:block;}
  .release-guide .manual .idx{display:none;}
  .release-guide .release-hero h1{font-size:38px;}
}