/* ProofGallery 4.x — A.B Construction drawing-sheet skin (srpg). */
.srpg, .srpg *, .srpg *::before, .srpg *::after{ box-sizing:border-box; }
.srpg{ --navy:#2C333B; --red:#E0640D; --line:rgba(44,51,59,.16); --mut:#545D66;
  width:100% !important; max-width:1180px !important;
  margin-left:auto !important; margin-right:auto !important;
  float:none !important; inset-inline:auto !important;
  font-family:'Archivo',ui-sans-serif,system-ui,sans-serif; color:var(--navy); }
.srpg img{ max-width:100%; }
.srpg{ scroll-margin-top:110px; }

/* head */
.srpg-head{ margin:0 0 34px; max-width:640px; }
.srpg-eyebrow{ display:inline-flex; align-items:center; gap:10px; margin:0 0 12px;
  font:500 10.5px/1 'IBM Plex Mono',ui-monospace,monospace;
  letter-spacing:.22em; text-transform:uppercase; color:var(--mut); }
.srpg-eyebrow::before{ content:""; width:24px; height:1px; background:var(--red); }
.srpg-title{ margin:0; font-size:clamp(27px,3.2vw,40px); font-weight:800; letter-spacing:-1px;
  text-transform:uppercase; color:var(--navy); line-height:1.06; }
.srpg-title em{ font-style:italic; font-family:'Instrument Serif',Georgia,serif; font-weight:400;
  font-size:1.14em; letter-spacing:0; text-transform:none; color:var(--red); }
.srpg-sub{ margin:14px 0 0; font-size:15px; color:var(--mut); line-height:1.7; }

/* filters */
.srpg-filters{ display:flex; flex-wrap:wrap; gap:8px; margin:0 0 26px; }
.srpg-filter{ position:relative; font:500 11px/1 'Archivo',sans-serif; letter-spacing:.07em;
  text-transform:uppercase; cursor:pointer; color:var(--mut); background:transparent;
  border:1px solid rgba(44,51,59,.28); border-radius:0; padding:11px 14px;
  transition:border-color .25s ease, color .25s ease, background-color .25s ease; }
.srpg-filter[aria-pressed="true"]{ background:rgba(224,100,13,.12); border-color:var(--red); color:var(--navy); }
.srpg-filter[aria-pressed="true"]::after{ content:""; position:absolute; top:0; right:0;
  border:5px solid transparent; border-top-color:var(--red); border-right-color:var(--red); }
.srpg-filter:hover{ border-color:rgba(44,51,59,.55); color:var(--navy); }

/* grid of project cards */
.srpg-grid{ display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:24px; align-items:start; }
.srpg-grid.srpg-msnry{ grid-auto-rows:10px; row-gap:0; align-items:stretch; }
.srpg-grid.srpg-msnry .srpg-card{ grid-row-end:span var(--sp, 40); }
.srpg-card{ position:relative; background:#fff; border:1px solid var(--line); border-radius:0;
  padding:22px 22px 20px; box-shadow:0 14px 34px rgba(23,28,34,.08); min-width:0;
  transition:box-shadow .35s ease, transform .35s cubic-bezier(.22,1,.36,1), border-color .3s ease; }
.srpg-card::before, .srpg-card::after{ content:""; position:absolute; width:12px; height:12px;
  pointer-events:none; border:0 solid var(--red); }
.srpg-card::before{ top:-1px; left:-1px; border-top-width:2px; border-left-width:2px; }
.srpg-card::after{ bottom:-1px; right:-1px; border-bottom-width:2px; border-right-width:2px; }
.srpg-card:hover{ box-shadow:0 20px 44px rgba(23,28,34,.13); transform:translateY(-4px);
  border-color:rgba(44,51,59,.3); }
.srpg-card[hidden]{ display:none !important; }

/* card header */
.srpg-bar{ display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; margin:0 0 6px; }
.srpg-num{ font:500 11px/1 'IBM Plex Mono',monospace; letter-spacing:.14em; color:var(--red); }
.srpg-h3{ margin:0; font-size:clamp(15px,1.6vw,18px); font-weight:700; letter-spacing:.03em;
  text-transform:uppercase; color:var(--navy); flex:1; min-width:0; text-wrap:balance; line-height:1.3; }
.srpg-count{ font:500 9px/1 'IBM Plex Mono',monospace; letter-spacing:.18em; text-transform:uppercase;
  color:var(--mut); background:transparent; border:1px solid var(--line); padding:6px 9px;
  border-radius:0; white-space:nowrap; }
.srpg-cap{ margin:0 0 14px; font-size:13.5px; color:var(--mut); line-height:1.6; }

/* media: natural photos in tight columns — no crops, no effects, no surprises */
.srpg-media{ display:block; columns:2; column-gap:12px; }
.srpg-ph{ position:relative; display:block; margin:0 0 12px; break-inside:avoid;
  border-radius:0; overflow:hidden; cursor:zoom-in; background:#E7E4DE;
  box-shadow:inset 0 0 0 1px rgba(44,51,59,.12);
  transition:transform .3s cubic-bezier(.22,.61,.36,1), box-shadow .3s ease; }
.srpg-ph:hover{ transform:translateY(-3px);
  box-shadow:0 12px 26px rgba(23,28,34,.16), inset 0 0 0 1px rgba(224,100,13,.45); }
.srpg-ph--feat{ column-span:all; box-shadow:inset 0 0 0 1px rgba(44,51,59,.12), 0 10px 26px rgba(23,28,34,.08); }
.srpg-ph img{ display:block; width:100%; height:auto; transition:filter .3s ease; }
.srpg-ph:hover img{ filter:brightness(1.04); }
.srpg-ph[hidden]{ display:none !important; }
.srpg-media--strip{ columns:3; }
.srpg-card.is-open .srpg-media{ columns:3; }
.srpg-card.is-open .srpg-ph[hidden]{ display:block !important; animation:srpg-in .45s ease both; }
@keyframes srpg-in{ from{ opacity:0; transform:translateY(10px) } to{ opacity:1; transform:none } }

/* +N badge & photo toggle */
.srpg-plus{ position:absolute; z-index:2; right:12px; bottom:12px; display:inline-flex; align-items:baseline; gap:6px;
  color:#fff; font:500 12.5px/1 'IBM Plex Mono',monospace; letter-spacing:.06em;
  background:rgba(44,51,59,.74); border:1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); padding:9px 13px; border-radius:0;
  pointer-events:none; }
.srpg-plus small{ font-size:8.5px; letter-spacing:.18em; text-transform:uppercase; opacity:.85; }
.srpg-card.is-open .srpg-plus{ display:none; }
.srpg-ptoggle{ display:inline-flex; align-items:center; gap:9px; margin-top:14px; cursor:pointer;
  font:600 11px/1 'Archivo',sans-serif; letter-spacing:.08em; text-transform:uppercase;
  color:var(--navy); background:transparent; border:1px solid rgba(44,51,59,.28);
  border-radius:0; padding:12px 16px; min-height:44px;
  transition:border-color .25s ease, background-color .25s ease; }
.srpg-ptoggle:hover{ border-color:var(--red); background:rgba(224,100,13,.07); }
.srpg-ptoggle:focus-visible, .srpg-more:focus-visible, .srpg-filter:focus-visible{
  outline:2px solid var(--red); outline-offset:3px; }
.srpg-card.is-open .srpg-pt-open{ display:none; }
.srpg-pt-close{ display:none; }
.srpg-card.is-open .srpg-pt-close{ display:inline; }

/* before/after */
.srpg-ba{ position:relative; overflow:hidden; border-radius:0; margin:0 0 12px;
  aspect-ratio:16/10; background:#20262D; user-select:none; touch-action:none; cursor:ew-resize; }
.srpg-ba-a, .srpg-ba-b{ position:absolute; inset:0; }
.srpg-ba img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  object-position:var(--fx,50%) var(--fy,40%); pointer-events:none; }
.srpg-ba-b{ clip-path:inset(0 50% 0 0); }
.srpg-ba-lab{ position:absolute; z-index:3; top:10px; font:500 9px/1 'IBM Plex Mono',monospace;
  letter-spacing:.2em; text-transform:uppercase; color:#fff; background:rgba(44,51,59,.9);
  border:1px solid rgba(255,255,255,.2); padding:7px 10px; border-radius:0; }
.srpg-ba-lab--l{ left:10px } .srpg-ba-lab--r{ right:10px }
.srpg-ba-h{ position:absolute; z-index:2; top:0; bottom:0; left:50%; width:0; pointer-events:none; }
.srpg-ba-h::before{ content:""; position:absolute; top:0; bottom:0; left:-1px; width:2px; background:#fff;
  box-shadow:0 0 8px rgba(0,0,0,.4); }
.srpg-ba-h::before{ width:3px; left:-1.5px; }
.srpg-ba-h i{ position:absolute; top:50%; left:0; transform:translate(-50%,-50%); width:40px; height:40px;
  border-radius:0; background:#FAF9F6; color:var(--red);
  box-shadow:0 8px 22px rgba(0,0,0,.3), 0 0 0 1px rgba(44,51,59,.2);
  display:grid; place-items:center; font-style:normal; font-weight:700; font-size:15px; letter-spacing:3px;
  padding-left:3px; transition:transform .25s ease; }
.srpg-ba:hover .srpg-ba-h i, .srpg-ba:focus .srpg-ba-h i{ transform:translate(-50%,-50%) scale(1.08); }

/* global see-more */
.srpg-morewrap{ display:flex; justify-content:center; margin-top:28px; }
.srpg-more{ display:inline-flex; align-items:center; gap:10px; cursor:pointer; min-height:52px;
  font:600 14.5px/1 'Archivo',sans-serif; letter-spacing:.02em; color:#fff; background:var(--red);
  border:0; border-radius:0; padding:0 30px;
  outline:1px solid transparent; outline-offset:9px;
  transition:background-color .3s ease, outline-offset .35s cubic-bezier(.22,1,.36,1), outline-color .35s ease; }
.srpg-more:hover{ background:#C4570B; outline-color:rgba(224,100,13,.45); outline-offset:5px; }
.srpg-more b{ font-weight:400; }
.srpg-live{ position:absolute; left:-9999px; }

/* reveal on scroll (only when JS active) */
.srpg-js .srpg-card{ opacity:0; transform:translateY(16px);
  transition:opacity .55s ease, transform .6s cubic-bezier(.22,.61,.36,1); }
.srpg-js .srpg-card.srpg-vis{ opacity:1; transform:none; }

/* lightbox */
.srpg-lb{ position:fixed; inset:0; z-index:2147483000; background:rgba(24,29,35,.96);
  display:grid; grid-template-rows:auto 1fr; }
.srpg-lb[hidden]{ display:none; }
.srpg-lb-top{ display:flex; justify-content:space-between; align-items:center; padding:14px 16px; }
.srpg-lb-count{ color:#A7B0BA; font:500 12px/1 'IBM Plex Mono',monospace; letter-spacing:.2em; }
.srpg-lb-x{ border:1px solid rgba(255,255,255,.2); cursor:pointer; color:#fff;
  background:rgba(51,59,68,.85); border-radius:0; padding:10px 18px; font-size:18px; line-height:1;
  transition:background-color .25s ease, border-color .25s ease; }
.srpg-lb-x:hover{ background:var(--red); border-color:var(--red); }
.srpg-lb-fig{ margin:0; display:grid; place-items:center; padding:0 60px 26px; min-height:0; }
.srpg-lb-fig img{ max-width:100%; max-height:calc(100dvh - 120px); border-radius:0;
  box-shadow:0 0 0 1px rgba(255,255,255,.12); }
.srpg-lb-nav{ position:fixed; top:50%; transform:translateY(-50%); border:1px solid rgba(255,255,255,.2);
  cursor:pointer; color:#fff; background:rgba(51,59,68,.7); width:48px; height:48px; border-radius:0;
  font-size:20px; transition:background-color .25s ease, border-color .25s ease; }
.srpg-lb-nav:hover{ background:var(--red); border-color:var(--red); }
.srpg-lb-prev{ left:12px } .srpg-lb-next{ right:12px }

/* responsive */
@media (max-width:1020px){
  .srpg-grid{ grid-template-columns:1fr; grid-auto-rows:auto; row-gap:18px; }
  .srpg-grid .srpg-card{ grid-row-end:auto; }
  .srpg-card{ padding:16px 14px 14px; }
  /* photos become a swipeable strip — every photo, natural shape, nothing hidden */
  .srpg-media, .srpg-media--strip{ columns:auto !important; display:flex; gap:10px;
    overflow-x:auto; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch;
    scrollbar-width:none; margin:0 -14px; padding:2px 14px 8px; }
  .srpg-media::-webkit-scrollbar{ display:none; }
  .srpg-ph, .srpg-media--strip .srpg-ph{ flex:0 0 auto; margin:0; height:min(60vw, 260px);
    scroll-snap-align:center; }
  .srpg-ph img{ width:auto; height:100%; max-width:82vw; }
  .srpg-ph--feat{ column-span:none; }
  .srpg-ph[hidden]{ display:block !important; }
  .srpg-ptoggle{ display:none; }
  .srpg-plus{ display:none; }
  .srpg-filters{ flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none;
    margin:0 -14px 22px; padding:0 14px; }
  .srpg-filters::-webkit-scrollbar{ display:none; }
  .srpg-filter{ flex:0 0 auto; }
  .srpg-bar{ gap:10px; }
  .srpg-h3{ font-size:15px; }
  .srpg-num{ font-size:10px; }
  .srpg-count{ font-size:8.5px; padding:5px 8px; letter-spacing:.12em; }
  .srpg-cap{ font-size:13px; }
  .srpg-morewrap{ margin-top:22px; }
  .srpg-more{ width:100%; justify-content:center; }
  .srpg-lb-fig{ padding:0 8px 20px; }
  .srpg-lb-nav{ width:42px; height:42px; }
}
@media (prefers-reduced-motion:reduce){
  .srpg-ph, .srpg-ph img, .srpg-more{ transition:none !important; animation:none !important; }
  .srpg-card.is-open .srpg-ph[hidden]{ animation:none !important; }
}

/* mobile swipe dots */
.srpg-dots{ display:none; }
@media (max-width:1020px){
  .srpg-dots{ display:flex; justify-content:center; gap:7px; margin:0 0 4px; }
  .srpg-dots button{ width:16px; height:2px; padding:0; border:0; border-radius:0;
    cursor:pointer; background:rgba(44,51,59,.25);
    transition:background .25s ease, transform .25s ease; }
  .srpg-dots button.is-on{ background:var(--red); transform:scaleX(1.5); }
}

/* first-time swipe hint */
.srpg-swipehint{ display:none; }
@media (max-width:1020px){
  .srpg-swipehint{ display:block; margin:0 0 6px; text-align:center;
    color:var(--mut); font:500 10px/1 'IBM Plex Mono',monospace; letter-spacing:.18em;
    text-transform:uppercase;
    animation:srpg-hintpulse 2.2s ease infinite; }
  .srpg-swipehint.is-done{ display:none; }
}
@keyframes srpg-hintpulse{ 0%,100%{ opacity:.55 } 50%{ opacity:1 } }
@media (prefers-reduced-motion:reduce){ .srpg-swipehint{ animation:none; } }