/* specialties · page-scoped visuals (every selector starts with .pg-specialties) */

/* kit pieces not present in site.css yet (same look as home) */
.pg-specialties .pill{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;background:var(--blue-50);color:#1557c0;font-size:14px;font-weight:600}
.pg-specialties .pill i{width:6px;height:6px;border-radius:50%;background:var(--blue)}
.pg-specialties .checklist{margin:0;padding:0;list-style:none}
.pg-specialties .checklist li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:14px;padding:18px 0;border-bottom:1px solid var(--g100)}
.pg-specialties .grey .checklist li{border-bottom-color:var(--g200)}
.pg-specialties .checklist li:last-child{border-bottom:0}
.pg-specialties .check{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-size:15px}
.pg-specialties .check .ico{stroke-width:3}
.pg-specialties .checklist b{display:block;font-size:18px;font-weight:700;line-height:1.45}
.pg-specialties .checklist div>span{display:block;margin-top:4px;font-size:15px;color:var(--g700)}
.pg-specialties .checklist.sp-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;border-top:1px solid var(--g100)}
.pg-specialties .grey .checklist.sp-cols{border-top-color:var(--g200)}
.pg-specialties .checklist.sp-cols li:last-child{border-bottom:1px solid var(--g100)}
.pg-specialties .grey .checklist.sp-cols li:last-child{border-bottom-color:var(--g200)}

/* small helpers */
.pg-specialties .hero-fine{margin:18px 0 0;font-size:14px;line-height:1.65;color:var(--g600)}
.pg-specialties .sp-subh{margin:clamp(72px,9vw,112px) 0 10px;font-size:clamp(24px,2.8vw,32px);line-height:1.4;font-weight:800;letter-spacing:-.028em}
.pg-specialties .sp-sublead{margin:0 0 28px;max-width:720px;font-size:17px;line-height:1.7;color:var(--g700)}
.pg-specialties .sp-after{margin-top:16px}
.pg-specialties .sp-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px}
.pg-specialties .sp-nw{white-space:nowrap}
.pg-specialties .sp-code{padding:1px 6px;border-radius:6px;background:var(--g100);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;color:var(--g800);overflow-wrap:anywhere}

/* hero: four specialty cards on a grey stage */
.pg-specialties .sp-hero{width:100%;max-width:520px;padding:28px 28px 52px;border-radius:32px;background:var(--g50)}
.pg-specialties .sp-hero-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin:0 0 18px;font-size:15px;font-weight:700;color:var(--g800)}
.pg-specialties .sp-hero-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.pg-specialties .sp-hcard{display:flex;flex-direction:column;gap:12px;padding:18px;border-radius:22px;background:#fff;box-shadow:var(--shadow-card)}
.pg-specialties .sp-hcard:nth-child(even){transform:translateY(28px)}
.pg-specialties .sp-hcard-h{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--g800)}
.pg-specialties .sp-hcard .ic{width:34px;height:34px;border-radius:11px;font-size:17px}
.pg-specialties .sp-bubble{margin:0;padding:12px 14px;border-radius:18px 18px 18px 6px;background:var(--g100);font-size:15px;font-weight:600;line-height:1.5;color:var(--g900)}
.pg-specialties .sp-path{align-self:flex-start;max-width:100%;padding:4px 10px;border-radius:8px;background:var(--blue-50);color:var(--blue-700);font-size:12px;font-weight:700;overflow-wrap:anywhere}

/* principles compare on grey */
.pg-specialties .grey .compare>.no{background:#fff}

/* layer cards */
.pg-specialties .grey .card.sp-hl{background:var(--blue-50)}
.pg-specialties .card.sp-hl .card-foot>div{border-top-color:var(--blue-100)}
.pg-specialties .card .tags{margin:0 0 -6px;padding:0;font-size:13px}

/* tables and rows on this page */
.pg-specialties .tbl-wrap{overflow-x:auto}
.pg-specialties .grey .rows,.pg-specialties .grey .rows>li{border-color:var(--g200)}
.pg-specialties .grey .sp-next .rows,.pg-specialties .grey .sp-next .rows>li{border-color:var(--g100)}
@media (max-width:1000px){.pg-specialties .sp-cmp th,.pg-specialties .sp-cmp td{padding:14px 12px}}

/* highlighted table row */
.pg-specialties .tbl tr.sp-hl>*{background:var(--blue-50)}
.pg-specialties .tbl tr.sp-hl th{color:var(--blue-700)}
.pg-specialties .sp-focus{display:block;margin-bottom:4px;font-weight:700;color:var(--g900)}
.pg-specialties .sp-bad{padding:1px 6px;border-radius:6px;background:var(--red-50);color:#b3261e;font-weight:600;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.pg-specialties .sp-flag{display:inline-block;padding:2px 8px;border-radius:8px;background:var(--orange-50);color:#b35300;font-weight:700}

/* design unit formula */
.pg-specialties .sp-formula{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px}
.pg-specialties .sp-factor{display:flex;flex-direction:column;align-items:center;gap:12px;min-width:164px;padding:26px 20px 22px;border-radius:24px;background:var(--g50);font-size:18px;font-weight:700;letter-spacing:-.02em;text-align:center}
.pg-specialties .sp-x{font-size:26px;font-weight:800;color:var(--g400)}
.pg-specialties .sp-center{max-width:720px;margin:32px auto 0;text-align:center;font-size:17px;line-height:1.7;color:var(--g700)}
.pg-specialties .sp-stages{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:18px 0 0;padding:0;list-style:none;counter-reset:st}
.pg-specialties .sp-stages li{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px 0 8px;border-radius:999px;background:var(--g100);font-size:15px;font-weight:600;color:var(--g800);counter-increment:st}
.pg-specialties .sp-stages li::before{content:counter(st);display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;color:var(--blue-700);font-size:13px;font-weight:800}
.pg-specialties .sp-stages-h{margin:40px 0 0;text-align:center;font-size:14px;font-weight:700;color:var(--g600)}

/* specialty intro */
.pg-specialties .sp-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:64px;align-items:center;margin-bottom:clamp(56px,7vw,88px)}
.pg-specialties .sp-label{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 18px}
.pg-specialties .sp-label .ic{width:40px;height:40px;border-radius:13px;font-size:20px}
.pg-specialties .sp-eb{font-size:17px;font-weight:700;color:var(--blue-700)}
.pg-specialties .sp-qlabel{margin:32px 0 8px;font-size:14px;font-weight:700;color:var(--g600)}
.pg-specialties .sp-quote{margin:0;padding:20px 22px;border-radius:24px 24px 24px 8px;background:var(--g50);font-size:clamp(19px,2vw,24px);line-height:1.5;font-weight:700;letter-spacing:-.02em;color:var(--g900)}
.pg-specialties .grey .sp-quote{background:#fff}
.pg-specialties .sp-body{margin:20px 0 16px;font-size:17px;line-height:1.75;color:var(--g700)}

/* intro page mock */
.pg-specialties .sp-figure{margin:0}
.pg-specialties .sp-stage{padding:clamp(20px,3vw,36px);border-radius:32px;background:var(--g50)}
.pg-specialties .grey .sp-stage{background:var(--g100)}
.pg-specialties .sp-mock{box-shadow:var(--shadow-card)}
.pg-specialties .pagemock .pm-url span{min-width:0;overflow-wrap:anywhere}
.pg-specialties .sp-mock-body{padding:18px 18px 22px}
.pg-specialties .sp-mt{margin:0;font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--g900)}
.pg-specialties .sp-cta{display:inline-flex;align-items:center;height:34px;margin:12px 0 14px;padding:0 14px;border-radius:10px;background:var(--blue-btn);color:#fff;font-size:13px;font-weight:600}
.pg-specialties .sp-cells{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pg-specialties .sp-cell{padding:12px;border-radius:14px;background:var(--g50);font-size:13px;font-weight:700;line-height:1.4;color:var(--g800)}
.pg-specialties .sp-chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.pg-specialties .sp-chip{padding:2px 7px;border-radius:6px;background:#fff;font-size:12px;font-weight:700;color:var(--g700)}
.pg-specialties .sp-chip.on{background:var(--blue-50);color:var(--blue-700)}
.pg-specialties .sp-sk{display:block;height:6px;margin-top:8px;border-radius:4px;background:var(--g200)}
.pg-specialties .sp-sk.s{width:58%}
.pg-specialties .sp-lines{margin-top:14px}
.pg-specialties .sp-flow{margin:12px 0 0;padding:0;list-style:none}
.pg-specialties .sp-flow li{position:relative;display:grid;grid-template-columns:26px minmax(0,1fr);gap:10px;align-items:center;padding:9px 0;font-size:14px;font-weight:600;line-height:1.4;color:var(--g800)}
.pg-specialties .sp-flow li::before{content:"";width:10px;height:10px;margin-left:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--blue-50)}
.pg-specialties .sp-flow li:not(:last-child)::after{content:"";position:absolute;left:12.5px;top:calc(50% + 9px);height:calc(100% - 18px);width:1px;background:var(--g200)}
.pg-specialties .sp-mock-split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:12px;align-items:start}
.pg-specialties .sp-aside{margin-top:12px;padding:12px;border-radius:14px;background:var(--g50);font-size:12px;font-weight:700;line-height:1.45;color:var(--g700)}
.pg-specialties .sp-aside .sp-chip{display:inline-block;margin-bottom:6px}
.pg-specialties .sp-first{display:flex;align-items:center;gap:10px;margin-top:12px;padding:12px 14px;border-radius:14px;background:var(--blue-50);font-size:14px;font-weight:700;color:var(--blue-700)}
.pg-specialties .sp-first .ico{font-size:18px}
.pg-specialties .sp-photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
.pg-specialties .sp-photo{display:grid;place-items:center;height:64px;border-radius:12px;background:repeating-linear-gradient(135deg,var(--g100) 0 10px,var(--g50) 10px 20px);font-size:12px;font-weight:700;color:var(--g700)}
.pg-specialties .sp-cap{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin:14px 0 0;font-size:13px;color:var(--g600);text-align:center}

/* specialty detail tabs */
.pg-specialties .sp-panel{margin-top:32px}
.pg-specialties .sp-ph{margin:0 0 6px;font-size:22px;font-weight:700;letter-spacing:-.02em}
.pg-specialties .sp-ph.gap{margin-top:56px}
.pg-specialties .sp-pd{margin:0 0 22px;font-size:16px;color:var(--g700)}
.pg-specialties .sp-2{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:start}
.pg-specialties .sp-pm li{align-items:flex-start}
.pg-specialties .sp-pm li>div b{display:block;font-size:15px;font-weight:700;color:var(--g900)}
.pg-specialties .sp-pm li>div span{display:block;margin-top:2px;font-size:14px;font-weight:500;line-height:1.55;color:var(--g700)}
.pg-specialties .sp-box{padding:26px 24px;border-radius:24px;background:var(--g50)}
.pg-specialties .grey .sp-box{background:#fff}
.pg-specialties .sp-box+.sp-box{margin-top:12px}
.pg-specialties .sp-boxh{margin:0 0 12px;font-size:17px;font-weight:700;color:var(--g900)}
.pg-specialties .sp-diff{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.pg-specialties .sp-diff li{padding:16px 18px;border-radius:18px;background:#fff;box-shadow:inset 0 0 0 1px var(--g200)}
.pg-specialties .grey .sp-diff li{background:var(--g50);box-shadow:none}
.pg-specialties .sp-diff b{display:block;margin-top:8px;font-size:16px;font-weight:700}
.pg-specialties .sp-diff p{margin:4px 0 0;font-size:15px;line-height:1.6;color:var(--g700)}
.pg-specialties .sp-menu{margin:0;padding:0;list-style:none;border-top:1px solid var(--g200)}
.pg-specialties .sp-menu li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 10px;padding:12px 2px;border-bottom:1px solid var(--g200);font-size:15px;font-weight:600;color:var(--g900)}
.pg-specialties .sp-menu small{font-size:13px;font-weight:500;color:var(--g600)}

/* specialty footer: source + next */
.pg-specialties .sp-foot{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:16px;margin-top:clamp(56px,7vw,80px)}
.pg-specialties .sp-srclinks{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:auto;padding-top:18px}
.pg-specialties .sp-srclinks .src-link{margin:0;padding:0}
.pg-specialties .sp-next{display:flex;flex-direction:column;padding:28px;border-radius:24px;background:var(--g50)}
.pg-specialties .grey .sp-next{background:#fff}
.pg-specialties .sp-next h3{margin:0;font-size:19px;font-weight:700}
.pg-specialties .sp-next .rows{margin:14px 0 24px}
.pg-specialties .sp-next .row{padding:16px 2px}
.pg-specialties .sp-next .row b{font-size:16px}
.pg-specialties .sp-next .row p{font-size:14px}
.pg-specialties .sp-next .btn{width:100%;margin-top:auto}

/* two kinds of pages */
.pg-specialties .sp-pair{position:relative}
.pg-specialties .sp-pair::after{content:"↔";position:absolute;left:50%;top:50%;display:grid;place-items:center;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:var(--g900);color:#fff;font-size:18px;font-weight:700;box-shadow:0 0 0 6px #fff}
.pg-specialties .sp-pair .card{padding:32px 30px}
.pg-specialties .sp-kv{grid-template-columns:104px minmax(0,1fr);margin-top:18px}
.pg-specialties .sp-schema{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px 48px;margin-top:16px;padding:36px;border-radius:28px;background:var(--g50)}
.pg-specialties .sp-schema h3{margin:14px 0 8px;font-size:22px;line-height:1.4;font-weight:800;letter-spacing:-.02em}
.pg-specialties .sp-schema>div>p{margin:0 0 16px;font-size:16px;color:var(--g700)}
.pg-specialties .sp-dots{margin:0;padding:0;list-style:none;counter-reset:dt}
.pg-specialties .sp-dots li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;padding:14px 0;border-top:1px solid var(--g200);font-size:15px;line-height:1.65;color:var(--g800);counter-increment:dt}
.pg-specialties .sp-dots li:first-child{border-top:0;padding-top:0}
.pg-specialties .sp-dots li::before{content:counter(dt);display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;color:var(--blue-700);font-size:13px;font-weight:800}

/* start: sticky head + timeline */
.pg-specialties .sp-sticky-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:start}
.pg-specialties .sp-sticky{position:sticky;top:150px}
.pg-specialties .sp-sticky .head{margin-bottom:0}
.pg-specialties .timeline .tags{margin-top:12px}
.pg-specialties .sp-tl-note{display:block;margin-top:8px;font-size:14px;color:var(--g600)}

/* question sheet */
.pg-specialties .sp-sheet{padding:28px 28px 16px;border-radius:28px;background:#fff;box-shadow:var(--shadow-card)}
.pg-specialties .sp-sheet-h{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin:0 0 16px;font-size:18px;font-weight:800}
.pg-specialties .sp-sheet .kv{grid-template-columns:128px minmax(0,1fr)}
.pg-specialties .sp-sheet .kv dt,.pg-specialties .sp-sheet .kv dd{padding:12px 0}
.pg-specialties .sp-sheet .kv>*:nth-last-child(-n+2){border-bottom:0}
.pg-specialties .sp-other{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px 24px;align-items:center;margin-top:clamp(56px,7vw,80px);padding:30px 32px;border-radius:26px;background:#fff}
.pg-specialties .sp-other h3{margin:0;font-size:20px;font-weight:700;letter-spacing:-.02em}
.pg-specialties .sp-other p{margin:6px 0 0;font-size:15px;line-height:1.65;color:var(--g700)}
.pg-specialties .sp-seq{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0;padding:0;list-style:none}
.pg-specialties .sp-seq li{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--g800)}
.pg-specialties .sp-seq li+li::before{content:"→";color:var(--g400)}
.pg-specialties .sp-seq span{padding:5px 10px;border-radius:8px;background:var(--g100)}

@media (max-width:1000px){
  .pg-specialties .sp-intro{grid-template-columns:minmax(0,1fr);gap:40px}
  .pg-specialties .sp-2{grid-template-columns:minmax(0,1fr);gap:32px}
  .pg-specialties .sp-foot{grid-template-columns:minmax(0,1fr)}
  .pg-specialties .sp-sticky-grid{grid-template-columns:minmax(0,1fr);gap:48px}
  .pg-specialties .sp-sticky{position:static}
  .pg-specialties .sp-schema{grid-template-columns:minmax(0,1fr);padding:30px 26px}
}
@media (max-width:760px){
  /* five inner tabs: 3 on the first row, 2 wider tabs on the second (no empty cell) */
  main.pg-specialties .tabs2.sp-tabs[role="tablist"]{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));width:100%}
  main.pg-specialties .tabs2.sp-tabs [role="tab"]{grid-column:span 2;min-width:0;padding:0 6px;font-size:15px}
  main.pg-specialties .tabs2.sp-tabs [role="tab"]:nth-child(n+4){grid-column:span 3}
  .pg-specialties .sp-pair::after{display:none}
  .pg-specialties .checklist.sp-cols{grid-template-columns:minmax(0,1fr)}
  .pg-specialties .tbl tr.sp-hl{background:var(--blue-50)}
  .pg-specialties .sp-other{grid-template-columns:minmax(0,1fr);padding:26px 22px}
  .pg-specialties .sp-other .btn{width:100%}
  .pg-specialties .sp-sheet{padding:22px 20px 10px}
  .pg-specialties .sp-sheet .kv>dt:nth-last-child(2){border-bottom:0}
}
@media (max-width:640px){
  .pg-specialties .sp-formula{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pg-specialties .sp-x{display:none}
  .pg-specialties .sp-factor{min-width:0;padding:20px 12px;font-size:16px}
  .pg-specialties .sp-cells{grid-template-columns:minmax(0,1fr)}
  .pg-specialties .sp-mock-split{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){
  .pg-specialties .sp-hero{padding:18px 16px 20px;border-radius:26px}
  .pg-specialties .sp-hero-grid{gap:10px}
  .pg-specialties .sp-hcard{gap:10px;padding:14px;border-radius:18px}
  .pg-specialties .sp-hcard:nth-child(even){transform:none}
  .pg-specialties .sp-hcard-h{font-size:13px}
  .pg-specialties .sp-bubble{padding:10px 12px;font-size:14px}
  .pg-specialties .sp-next{padding:24px 20px}
}

/* QA pass: mobile fixes */
@media (max-width:560px){
  .pg-specialties .sp-kv{grid-template-columns:minmax(0,1fr)}
}