/* Sill & Storey v2 · components: before/after, spec strips, page head + title block, chips, forms, accordion, cards */

/* before / after slider (home hero, stories, project pages) */
.ba{position:relative;overflow:hidden;background:#1b1f24;touch-action:pan-y;user-select:none;-webkit-user-select:none;--pos:50%;cursor:ew-resize}
.ba picture,.ba img{width:100%;height:100%}
.ba img{object-fit:cover}
.ba-layer{position:absolute;inset:0}
.ba-before{clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba-line{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:#fff;pointer-events:none;z-index:3}
.ba-knob{position:absolute;top:50%;left:var(--pos);z-index:4;width:52px;height:52px;margin:-26px 0 0 -26px;display:grid;place-items:center;background:var(--cobalt);color:#fff;pointer-events:none;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.ba-knob svg{width:26px;height:26px}
.ba-tag{position:absolute;bottom:16px;z-index:3;background:rgba(13,16,20,.82);color:#fff;padding:7px 10px;pointer-events:none}
.ba-tag-b{left:16px}.ba-tag-a{right:16px}
.tg-d{white-space:nowrap}
@media (max-width:700px){.tg-d{display:none}}
.ba-range{display:block;margin-top:14px}
.ba-range input{width:100%}
.ba:focus-within .ba-knob{outline:2px solid #fff;outline-offset:2px}

/* plan-drawing overlay */
.plan{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none;transition:opacity .4s var(--ease)}
.plan .pl{fill:none;stroke:var(--cobalt);stroke-width:2.5;vector-effect:non-scaling-stroke}
.plan .pl-d{stroke-dasharray:10 7}
.plan .pl-f{stroke-width:1.5;stroke-dasharray:3 6;opacity:.85}
.plan .pf{fill:var(--cobalt)}
.plan .pw{fill:#fff}
.plan text{font-family:var(--mono);fill:var(--cobalt);letter-spacing:.04em}
.plan .tw{fill:#fff}
.plan-off .plan{opacity:0}
.js .plan.draw .pl{stroke-dashoffset:var(--len,2000);stroke-dasharray:var(--len,2000);animation:draw 1.8s var(--ease) .3s forwards}
.js .plan.draw .pl-d.done{stroke-dasharray:10 7}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.js .plan.draw .pl{animation:none;stroke-dashoffset:0}}

/* spec strip (mono dl) */
.spec{display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));border-top:1.5px solid var(--ink)}
.spec>div{padding:14px 16px 16px 0;border-bottom:1px solid var(--line)}
.spec>div+div{padding-left:16px;border-left:1px solid var(--line)}
.spec dt{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--graphite);margin-bottom:6px}
.spec dd{font-weight:700;font-size:clamp(1.05rem,1.4vw,1.3rem);letter-spacing:-.01em;line-height:1.2}
.spec dd small{font-family:var(--mono);font-size:10.5px;font-weight:400;color:var(--graphite);letter-spacing:.05em;text-transform:uppercase;display:block;margin-top:4px}
@media (max-width:760px){.spec{grid-template-columns:repeat(2,minmax(0,1fr))}.spec>div:nth-child(odd){padding-left:0;border-left:0}}

/* dimension rule: |←— 6.0 m —→| */
.dim{display:flex;align-items:center;gap:10px;color:var(--cobalt)}
.dim::before,.dim::after{content:"";flex:1;height:1px;background:currentColor;min-width:16px}
.dim{position:relative;padding:0 1px}
.dim span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.dim i{position:absolute;top:50%;width:1px;height:12px;margin-top:-6px;background:currentColor}
.dim i:first-child{left:0}.dim i:last-child{right:0}

/* page head with drawing title block */
.phead{padding:clamp(36px,5vw,72px) 0 clamp(32px,4vw,56px);border-bottom:1px solid var(--line);background:var(--white)}
.phead-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px clamp(32px,5vw,80px);align-items:end}
.phead .d1{grid-column:1/-1;max-width:14em}
.phead .lede{grid-column:1}
.crumbs{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px;color:var(--graphite)}
.crumbs a{text-decoration:none;color:var(--ink)}
.crumbs a:hover{color:var(--cobalt)}
.tblock{display:grid;grid-template-columns:1fr 1fr;border:1.5px solid var(--ink);font-size:11px}
.tblock div{padding:8px 10px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.tblock div:nth-child(2n){border-right:0}
.tblock div:nth-last-child(-n+2){border-bottom:0}
.tblock dt{color:var(--graphite);font-size:10px}
.tblock dd{color:var(--ink);margin-top:2px}
@media (max-width:860px){.phead-grid{grid-template-columns:1fr}.tblock{max-width:420px}}

/* chips (square toggles) */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);background:var(--white);cursor:pointer;font-weight:600;font-size:15px}
.chip .n{font-family:var(--mono);font-size:11px;color:var(--graphite)}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip[aria-pressed="true"] .n{color:#C9CFD6}
.results-line{font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--graphite);margin:20px 0}

/* forms */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field>label,.flabel,legend{font-weight:700;font-size:15.5px;line-height:1.3;padding:0}
.input,.select,.textarea{width:100%;height:52px;padding:0 14px;border:1.5px solid var(--line);background:var(--white);border-radius:0;font-size:16px;line-height:1.2;vertical-align:top}
.select{appearance:none;-webkit-appearance:none;padding-right:42px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230D1014' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:12px}
.textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical}
.input:hover,.select:hover,.textarea:hover{border-color:var(--graphite)}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 3px var(--cobalt-t)}
.hint{font-size:14px;color:var(--graphite)}
.err-msg{display:none;color:var(--err);font-size:14px;font-weight:600}
.field.err .err-msg,.err-msg.show{display:block}
.field.err .input,.field.err .select{border-color:var(--err)}
fieldset{border:0;margin:0 0 22px;padding:0;min-width:0}
legend{margin-bottom:10px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg legend{width:100%}
.seg label{position:relative;cursor:pointer}
.seg input[type=radio]{position:absolute;opacity:0;width:1px;height:1px}
.seg label>span{display:inline-flex;align-items:center;min-height:46px;padding:0 16px;border:1.5px solid var(--line);background:var(--white);font-weight:600;font-size:15px}
.seg label:hover>span{border-color:var(--ink)}
.seg input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--cobalt);outline-offset:2px}
.check{display:flex;align-items:flex-start;gap:12px;cursor:pointer;font-size:15.5px;line-height:1.4}
.check input{appearance:none;-webkit-appearance:none;flex:0 0 22px;width:22px;height:22px;margin:0;border:1.5px solid var(--ink);background:var(--white);display:grid;place-items:center;cursor:pointer}
.check input:checked{background:var(--cobalt);border-color:var(--cobalt)}
.check input:checked::after{content:"";width:10px;height:6px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:translateY(-1px) rotate(-45deg)}
.range{-webkit-appearance:none;appearance:none;height:28px;background:transparent;cursor:pointer}
.range::-webkit-slider-runnable-track{height:2px;background:var(--ink)}
.range::-moz-range-track{height:2px;background:var(--ink)}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;margin-top:-10px;background:var(--cobalt);border:0}
.range::-moz-range-thumb{width:22px;height:22px;background:var(--cobalt);border:0;border-radius:0}
.preview-note{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--graphite);margin-top:10px}

/* accordion */
.acc{border-top:1.5px solid var(--ink)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item h3{font-size:inherit}
.acc-btn{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0;background:none;border:0;text-align:left;cursor:pointer;font-weight:700;font-size:17.5px;line-height:1.3}
.acc-btn::after{content:"+";font-family:var(--mono);font-weight:400;font-size:20px;color:var(--cobalt);flex-shrink:0}
.acc-btn[aria-expanded="true"]::after{content:"−"}
.acc-panel{padding:0 0 20px;max-width:44em;color:var(--graphite)}

/* project card (projects grid, related) */
.pcard{position:relative;display:flex;flex-direction:column}
.pcard-img{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--line-2)}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.03)}
.pcard-tag{position:absolute;left:0;top:0;background:var(--white);padding:7px 10px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.save-btn{position:absolute;right:0;top:0;min-width:46px;height:46px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--white);border:0;cursor:pointer;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.save-btn::before{content:"+ Save"}
.save-btn[aria-pressed="true"]{background:var(--cobalt);color:#fff}
.save-btn[aria-pressed="true"]::before{content:"✓ Saved"}
.save-btn svg{display:none}
.pcard h2,.pcard h3{margin-top:16px}
.pcard h2 a,.pcard h3 a{text-decoration:none}
.pcard h2 a::after,.pcard h3 a::after{content:"";position:absolute;inset:0;z-index:1}
.pcard .save-btn{z-index:2}
.pcard h2 a:hover,.pcard h3 a:hover{color:var(--cobalt)}
.pcard-meta{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:10px;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--graphite)}

/* misc */
.note{border-left:3px solid var(--cobalt);background:var(--white);padding:14px 16px;font-size:15px}
.empty{padding:40px 0;border-top:1px solid var(--line)}
.empty .btn{margin-top:16px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}