/* Physiology release: the green/cream PhysioVeda visual system, with each
   mechanism presented as one readable summary + diagram learning unit. */
.pva-subject-landing{padding:clamp(28px,5vw,78px);background:
  radial-gradient(circle at 86% 13%,rgba(194,233,139,.52),transparent 25%),
  radial-gradient(circle at 12% 88%,rgba(119,179,139,.18),transparent 29%),
  linear-gradient(138deg,#fbfdf8 0%,#f4f8ed 58%,#e9f2df 100%)}
.pva-subject-landing:before{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(rgba(42,79,47,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(42,79,47,.045) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 78%)}
.pva-subject-landing__hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:clamp(30px,5vw,80px);align-items:end}
.pva-subject-landing__hero h1{max-width:960px;margin:26px 0 22px;color:#183a26;font-family:"Sora","Manrope",Inter,sans-serif;font-size:clamp(48px,6.2vw,94px);line-height:.96;letter-spacing:-.058em}
.pva-subject-landing__hero p{max-width:820px;margin:0;color:#52675a;font-size:clamp(18px,1.7vw,23px);line-height:1.68}
.pva-subject-landing__stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pva-subject-landing__stats span{display:flex;min-height:112px;flex-direction:column;justify-content:flex-end;padding:20px;border:1px solid rgba(65,105,58,.17);border-radius:21px;background:rgba(255,255,255,.78);color:#68786c;font-size:12px;box-shadow:0 15px 36px rgba(34,69,40,.06);backdrop-filter:blur(12px)}
.pva-subject-landing__stats strong{color:#244d2f;font-size:30px;letter-spacing:-.035em}
.pva-subject-landing__actions{display:flex;flex-wrap:wrap;gap:12px;margin:38px 0 44px}
.pva-subject-landing__topics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.pva-subject-landing__topics span{display:flex;min-height:70px;gap:13px;align-items:center;padding:14px 16px;border:1px solid #d6e3d0;border-radius:17px;background:rgba(255,255,255,.83);color:#294531;font-size:14px;font-weight:760;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.pva-subject-landing__topics span:hover{transform:translateY(-3px);border-color:#a9c898;box-shadow:0 13px 27px rgba(38,75,44,.09)}
.pva-subject-landing__topics b{display:grid;flex:0 0 36px;height:36px;place-items:center;border-radius:11px;background:#e9f3df;color:#557d3c;font-size:10px}

.pva-physiology-plate .pva-section-atlas__media{background:linear-gradient(145deg,#f8fbf5,#edf4e7)!important}
.pva-physiology-plate .pva-section-atlas__media>img{background:#f7faf4}
.pva-physiology-subtopics>div{grid-template-columns:1fr!important}
.pva-subtopic-learning{display:grid!important;grid-template-columns:minmax(350px,.92fr) minmax(0,1.08fr);align-items:stretch;overflow:hidden}
.pva-subtopic-learning .pva-subtopic-visual__media{height:100%;min-height:390px;aspect-ratio:auto;border-right:1px solid #dfe7da;border-bottom:0}
.pva-subtopic-learning__copy{display:flex!important;min-width:0;flex-direction:column;padding:clamp(24px,3vw,38px)!important}
.pva-subtopic-learning__copy>small{color:#66805d!important;font-size:10px!important;font-weight:850;letter-spacing:.08em}
.pva-subtopic-learning__copy h5{margin:10px 0 20px!important;color:#203f29;font-size:clamp(25px,2.5vw,36px)!important}
.pva-subtopic-learning__copy .pva-summary-list{display:grid;gap:12px;margin-bottom:22px}
.pva-subtopic-learning__copy .pva-summary-list li{font-size:var(--pva-reading-size);line-height:var(--pva-reading-leading)}
.pva-subtopic-learning__copy .pva-learning-tables{margin:4px 0 20px}
.pva-subtopic-learning__copy .pva-learning-table header{padding:15px 18px}
.pva-subtopic-learning__copy .pva-learning-table header h4{font-size:19px}
.pva-subtopic-learning__copy .pva-plate-labels{margin-top:auto;padding-top:8px}

@media(max-width:1100px){
  .pva-subject-landing__hero{grid-template-columns:1fr}
  .pva-subject-landing__stats{max-width:760px;grid-template-columns:repeat(4,minmax(0,1fr))}
  .pva-subject-landing__stats span{min-height:90px}
  .pva-subject-landing__topics{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pva-subtopic-learning{grid-template-columns:1fr}
  .pva-subtopic-learning .pva-subtopic-visual__media{min-height:0;aspect-ratio:3/2;border-right:0;border-bottom:1px solid #dfe7da}
}
@media(max-width:760px){
  .pva-subject-landing__stats{grid-template-columns:1fr 1fr}
  .pva-subject-landing__topics{grid-template-columns:1fr 1fr}
  .pva-subject-landing__actions{display:grid}
}
@media(max-width:480px){
  .pva-subject-landing__hero h1{font-size:43px}
  .pva-subject-landing__topics{grid-template-columns:1fr}
  .pva-subject-landing__stats span{min-height:82px;padding:15px}
  .pva-subject-landing__stats strong{font-size:25px}
}

/* 0.6.3 RC — Physiology artwork now follows the Anatomy atlas canvas.
   All title, context, and expand controls remain live HTML outside the image;
   no embedded learning-map panel is displayed. */