/* Side Studies — Professional Learning
   A distinct application layer; does not change canonical Side styles or numbering.
   Uses the shared site variables and retains the permanent black header. */

.pl-home-entry{
  background:var(--paper);color:var(--ink);
  padding:clamp(48px,6vw,94px) clamp(22px,4.7vw,76px);
  border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light);
}
.pl-home-intro{display:grid;grid-template-columns:160px minmax(0,1fr);gap:40px;align-items:start;margin-bottom:38px}
.pl-kicker{font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800}
.pl-home-intro .pl-kicker{margin:12px 0 0;color:#756c5c}
.pl-home-intro h2{margin:0;font-family:var(--serif);font-weight:400;font-size:clamp(2.6rem,5.5vw,6.4rem);letter-spacing:-.06em;line-height:.95;max-width:980px}
.pl-home-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.pl-home-lane{display:flex;flex-direction:column;min-height:340px;padding:clamp(24px,3.1vw,46px);background:var(--paper);color:var(--ink);text-decoration:none;transition:background .2s ease,color .2s ease}
.pl-home-lane:hover,.pl-home-lane:focus-visible{background:#e6e1d5;outline:2px solid var(--acid);outline-offset:-2px}
.pl-home-lane--applied{background:#171b18;color:var(--paper)}
.pl-home-lane--applied:hover,.pl-home-lane--applied:focus-visible{background:#27332c;color:var(--paper)}
.pl-home-no{color:#bc3e23;font-size:.7rem;font-weight:800;letter-spacing:.14em}
.pl-home-lane--applied .pl-home-no{color:#ff805d}
.pl-home-lane h3{margin:24px 0 14px;font-family:var(--serif);font-weight:400;font-size:clamp(2.3rem,4vw,4.8rem);letter-spacing:-.055em;line-height:.96}
.pl-home-lane p{max-width:520px;margin:0;font-size:1rem;line-height:1.65;opacity:.82}
.pl-home-lane .pl-home-action{margin-top:auto;padding-top:40px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.pl-home-lane .pl-home-action span:last-child{font-size:1.35rem;color:var(--acid)}
.pl-home-caption{margin:14px 0 0;color:#5e5a53;font-size:.82rem;line-height:1.5}

body.pl-page{background:var(--paper);color:var(--ink)}
.pl-page .atlas-header{background:var(--ink);color:var(--paper);border-bottom:0;width:100%;padding-left:max(22px,calc((100% - 1180px)/2));padding-right:max(22px,calc((100% - 1180px)/2));}
.pl-page .atlas-brand{flex-shrink:0}
.pl-shell{width:min(1140px,calc(100% - 52px));margin:0 auto}
.pl-crumbs{display:flex;gap:12px;flex-wrap:wrap;align-items:center;padding:28px 0 0;font-size:.74rem;font-weight:700;letter-spacing:.06em}
.pl-crumbs a{color:#504f46;text-underline-offset:5px}
.pl-crumbs span{color:#726f66}
.pl-hero{padding:clamp(58px,7vw,110px) 0 clamp(58px,8vw,115px);border-bottom:2px solid var(--ink)}
.pl-hero--dark{background:var(--ink);color:var(--paper);border-bottom:0}
.pl-hero--dark .pl-crumbs a{color:#d8d0bf}
.pl-hero--dark .pl-crumbs span{color:#c7a18e}
.pl-hero .pl-kicker{display:block;color:#b8442b;margin:0 0 22px}
.pl-hero--dark .pl-kicker{color:#ff7959}
.pl-hero h1{margin:0;max-width:990px;font-family:var(--serif);font-weight:400;font-size:clamp(3.9rem,8vw,9rem);letter-spacing:-.075em;line-height:.9}
.pl-hero h1 em{font-style:normal;color:#e25a36}
.pl-hero .pl-deck{max-width:800px;margin:35px 0 0;font-family:var(--serif);font-size:clamp(1.3rem,2vw,2rem);line-height:1.35}
.pl-hero .pl-context{max-width:810px;line-height:1.7;font-size:1rem;color:#605c53}
.pl-hero--dark .pl-context{color:#bbb4a7}
.pl-hairline{border:0;border-top:1px solid rgba(17,17,15,.2)}
.pl-note{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-top:38px;padding-top:16px;border-top:1px solid currentColor;font-size:.77rem;color:#77736a}
.pl-hero--dark .pl-note{color:#b0a79a;border-top-color:rgba(241,238,230,.22)}
.pl-note strong{color:inherit;text-transform:uppercase;letter-spacing:.12em}
.pl-section{padding:clamp(60px,8vw,112px) 0;border-bottom:1px solid var(--line-light)}
.pl-section-header{display:grid;grid-template-columns:170px minmax(0,1fr);gap:36px;align-items:start;margin-bottom:42px}
.pl-section-header .pl-kicker{margin:10px 0 0;color:#ad442c}
.pl-section-header h2{margin:0;font-family:var(--serif);font-size:clamp(2.45rem,5vw,5.8rem);letter-spacing:-.06em;line-height:.99;font-weight:400}
.pl-section-header p{max-width:710px;color:#59554c;line-height:1.65}
.pl-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.pl-tile{background:#f7f4ec;padding:clamp(28px,3.5vw,48px)}
.pl-tile .pl-kicker{color:#ad442c}
.pl-tile h3{font-family:var(--serif);font-size:clamp(1.75rem,2.9vw,3rem);line-height:1.08;font-weight:400;letter-spacing:-.035em;margin:18px 0}
.pl-tile p{max-width:500px;line-height:1.6;color:#5c584f}
.pl-tile a{color:var(--ink);font-size:.78rem;font-weight:800;text-decoration-color:var(--acid);text-underline-offset:7px}
.pl-program-feature{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(230px,.8fr);gap:35px;align-items:stretch;background:#1d231f;color:var(--paper);padding:clamp(30px,4vw,62px)}
.pl-program-feature .pl-kicker{color:#ffa286}
.pl-program-feature h3{font-family:var(--serif);font-size:clamp(2.5rem,4.6vw,5.4rem);font-weight:400;letter-spacing:-.06em;line-height:.95;margin:24px 0}
.pl-program-feature p{max-width:650px;color:#d0cdc3;line-height:1.7}
.pl-feature-link{display:inline-flex;align-items:center;gap:15px;margin-top:22px;padding:14px 18px;color:#181a17;background:var(--paper);text-decoration:none;font-size:.78rem;font-weight:800}
.pl-feature-link:focus-visible{outline:3px solid var(--acid);outline-offset:4px}
.pl-feature-stats{border-left:1px solid rgba(241,238,230,.3);padding-left:35px;display:flex;flex-direction:column;justify-content:space-between;gap:32px}
.pl-feature-stats strong{display:block;font-family:var(--serif);font-size:clamp(2.8rem,5vw,5.5rem);font-weight:400;line-height:.9}
.pl-feature-stats span{display:block;margin-top:13px;color:#c4bdaf;font-size:.71rem;letter-spacing:.1em;text-transform:uppercase}
.pl-method{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.pl-method article{border-top:1px solid var(--ink);padding-top:22px}
.pl-method span{font-size:.68rem;font-weight:800;letter-spacing:.12em;color:#b8442b}
.pl-method h3{font-family:var(--serif);font-size:1.8rem;font-weight:400;line-height:1.1;margin:16px 0}
.pl-method p{color:#5f5b53;line-height:1.6}
.pl-program-index{list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}
.pl-program-index li{display:grid;grid-template-columns:54px minmax(0,1fr) minmax(200px,.75fr);gap:22px;align-items:baseline;padding:20px 5px;border-bottom:1px solid var(--line-light)}
.pl-program-index .pl-number{font-size:.74rem;font-weight:800;color:#be4b30}
.pl-program-index a{font-family:var(--serif);font-size:clamp(1.3rem,2.3vw,2.2rem);line-height:1.15;letter-spacing:-.03em;text-decoration:none}
.pl-program-index a:hover,.pl-program-index a:focus-visible{text-decoration:underline;text-decoration-color:var(--acid);text-underline-offset:5px}
.pl-program-index .pl-function{color:#5b574f;line-height:1.5;font-size:.89rem}
.pl-muted-note{margin:22px 0 0;font-size:.87rem;color:#5c584f;line-height:1.65}
.pl-stage-list{counter-reset:stage;list-style:none;padding:0;margin:0;display:grid;gap:14px}
.pl-stage-list li{counter-increment:stage;padding:22px 24px;border:1px solid var(--line-light);background:#f6f3eb;line-height:1.6}
.pl-stage-list li:before{content:"0" counter(stage) " — ";font-weight:800;color:#b7442b;letter-spacing:.08em}
.pl-final-band{padding:56px 0 95px;background:var(--ink);color:var(--paper)}
.pl-final-band .pl-shell{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:end}
.pl-final-band h2{font-family:var(--serif);font-size:clamp(2.2rem,4vw,4.5rem);font-weight:400;letter-spacing:-.055em;margin:0}
.pl-final-band p{max-width:750px;line-height:1.65;color:#c6bfb2}
.pl-final-band a{color:var(--paper);text-decoration-color:var(--acid);text-underline-offset:5px}
@media(max-width:850px){
 .pl-home-intro,.pl-section-header{grid-template-columns:1fr;gap:15px}
 .pl-method{grid-template-columns:1fr}
 .pl-feature-stats{border-left:0;border-top:1px solid rgba(241,238,230,.3);padding:24px 0 0;display:grid;grid-template-columns:1fr 1fr}
 .pl-program-feature{grid-template-columns:1fr}
 .pl-final-band .pl-shell{grid-template-columns:1fr}
}
@media(max-width:620px){
 .pl-home-entry{padding:42px 18px}
 .pl-home-grid,.pl-tiles{grid-template-columns:1fr}
 .pl-home-lane{min-height:290px}
 .pl-page .atlas-header{padding-left:16px;padding-right:16px}
 .pl-shell{width:calc(100% - 36px)}
 .pl-hero h1{font-size:clamp(3.4rem,13.6vw,5.5rem)}
 .pl-section{padding:56px 0}
 .pl-program-index li{grid-template-columns:34px 1fr;gap:12px}
 .pl-program-index .pl-function{grid-column:2}
 .pl-note{align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){.pl-home-lane{transition:none}}