/* ==========================================================================
   isprithul.me · components (shared by every page)
   ========================================================================== */

/* ---------- header ---------- */
.site-header{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:60;
  background:color-mix(in srgb,var(--bg) 90%,transparent);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.hdr{display:flex;align-items:center;gap:14px;min-height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--heading);
  font-family:var(--font-display);font-weight:800;font-size:1.25rem;letter-spacing:-.02em;white-space:nowrap}
.brand__isp{color:var(--field)}
.logo-mark{flex:none}
.logo-mark .lm-body{fill:var(--logo-body);stroke:var(--sym);stroke-width:1}
.logo-mark .lm-pin{fill:var(--logo-pin)}
.logo-mark .lm-key{fill:var(--led)}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{font-family:var(--font-mono);font-size:var(--fs-sm);text-decoration:none;color:var(--ink);padding:10px 10px;border-radius:var(--radius)}
.nav a:hover{color:var(--hover)}
.hdr__tools{display:flex;align-items:center;gap:10px}
.theme-switch{display:inline-flex;border:1px solid var(--sym);border-radius:var(--radius);overflow:hidden;flex:none}
.theme-switch button{border:0;background:transparent;color:var(--heading);cursor:pointer;
  font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:.06em;padding:0 10px;min-height:34px}
.theme-switch button[aria-pressed="true"]{background:var(--sym);color:var(--bg)}
.menu-btn{display:none;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--sym);border-radius:var(--radius);
  background:transparent;color:var(--heading);font-family:var(--font-mono);font-size:var(--fs-sm);cursor:pointer}
.menu-btn__bars{width:16px;height:10px;display:grid;align-content:space-between}
.menu-btn__bars i{display:block;height:2px;background:currentColor}
.mnav{border-top:1px solid var(--line);padding-block:8px 16px}
.mnav a{display:block;font-family:var(--font-mono);text-decoration:none;color:var(--ink);padding:12px 0;border-bottom:1px solid var(--line)}
.mnav .btn{margin-top:14px;width:100%}
@media (max-width:880px){
  .hdr .nav,.hdr .hdr__cta{display:none}
  .menu-btn{display:inline-flex}
  .hdr__tools{margin-left:auto}
  .theme-switch button{min-height:42px}
}
@media (min-width:881px){ .mnav{display:none !important} }
@media (max-width:359px){
  .hdr{gap:8px}
  .brand{font-size:1.1rem;gap:8px}
  .theme-switch button{padding:0 8px}
  .menu-btn{padding:0 11px}
  .menu-btn__label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 18px;border-radius:var(--radius);border:1.5px solid var(--btn-bg);
  font-family:var(--font-display);font-weight:700;font-size:1rem;line-height:1.1;text-decoration:none;cursor:pointer;
  transition:box-shadow .15s ease,transform .1s ease,background-color .15s ease;
}
.btn--primary{background:var(--btn-bg);color:var(--btn-ink)}
.btn--ghost{background:transparent;color:var(--heading);border-color:var(--sym)}
.btn:hover{box-shadow:0 0 0 4px var(--select)}
.btn:active{transform:translateY(1px)}
.btn--sm{min-height:36px;padding:6px 12px;font-size:var(--fs-sm)}
.btn svg{flex:none}

/* ---------- status LED (D1) ---------- */
.status{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.8rem;color:var(--ink-soft)}
.led{width:10px;height:10px;border-radius:50%;flex:none;background:var(--led);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--led) 22%,transparent),0 0 12px var(--led)}
[data-available="false"] .led{background:transparent;border:1.5px solid var(--ink-soft);box-shadow:none}

/* ---------- filter chips ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:6px 12px;cursor:pointer;white-space:nowrap;
  border:1px solid var(--sym);border-radius:var(--radius);background:transparent;color:var(--heading);
  font-family:var(--font-mono);font-size:.8rem}
.chip:hover{box-shadow:0 0 0 3px var(--select)}
.chip[aria-pressed="true"]{background:var(--sym);color:var(--bg)}

/* ---------- project grid + cards ---------- */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media (max-width:1100px){ .grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
@media (max-width:760px){ .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px} }
.card{
  position:relative;display:flex;flex-direction:column;min-width:0;
  border:1.5px solid var(--sym);border-radius:var(--radius);background:var(--bg-raised);overflow:hidden;
  transition:box-shadow .18s ease;
}
.card:hover{box-shadow:0 0 0 5px var(--select)}
.card:has(:focus-visible){outline:2px solid var(--hover);outline-offset:3px}
.card__media{position:relative;aspect-ratio:4/3;background:var(--bg-raised);border-bottom:1.5px solid var(--sym);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card__media img{transform:scale(1.035)}
.card__badge{
  position:absolute;left:10px;top:10px;z-index:2;max-width:calc(100% - 20px);
  font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;line-height:1.3;
  padding:3px 7px;border:1px solid var(--sym);border-radius:2px;background:var(--bg);color:var(--heading);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.card__body{display:flex;flex-direction:column;gap:6px;padding:12px 14px 14px;flex:1}
.card__meta{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-family:var(--font-mono);font-size:.75rem;line-height:1.4;color:var(--field)}
.card__type{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card__year{flex:none;white-space:nowrap}
.card__title{font-size:1.15rem;line-height:1.15}
.card__title a{color:inherit;text-decoration:none}
.nw{white-space:nowrap}
.card__title a::after{content:"";position:absolute;inset:0;z-index:1}
.card__title a:focus-visible{outline:none}
.card__line{color:var(--ink-soft);font-size:.93rem}
@media (max-width:480px){
  .card__body{padding:10px 10px 12px;gap:4px}
  .card__title{font-size:1rem}
  .card__line{display:none}
  .card__badge{left:6px;top:6px;max-width:calc(100% - 12px);padding:2px 5px;font-size:.68rem}
  .card__year{display:none}
}
@media (max-width:400px){ .card__title{font-size:.95rem} .card__media .photo-slot__icon{display:none} }

/* empty photo slot: shown until a real photo is added for the project */
.photo-slot{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px;
  background:var(--bg-raised);color:var(--field);font-family:var(--font-mono);font-size:.75rem;line-height:1.35;text-align:center;
  outline:1.5px dashed color-mix(in srgb,var(--field) 45%,transparent);outline-offset:-10px}
.photo-slot__icon{flex:none;opacity:.8}
.photo-slot__label{max-width:22ch;text-wrap:balance}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;margin-bottom:20px}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat{background:var(--bg);padding:14px 16px;display:grid;gap:4px;align-content:start}
.stat__n{font-family:var(--font-display);font-weight:800;font-size:1.6rem;color:var(--heading);line-height:1}
.stat__l{font-family:var(--font-mono);font-size:.75rem;color:var(--field);line-height:1.35}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:640px){.svc-grid{grid-template-columns:minmax(0,1fr);gap:12px}}
.svc{border:1.5px solid var(--sym);border-radius:var(--radius);background:var(--bg-raised);padding:18px 20px 20px;display:grid;grid-template-rows:auto auto 1fr auto;gap:8px;align-content:start}
.svc__ref{font-family:var(--font-mono);font-size:.75rem;font-weight:700;color:var(--field)}
.svc h3{font-size:var(--fs-xl)}
.svc__text{color:var(--ink-soft)}
.svc .link-btn{justify-self:start;margin-top:4px}

/* ---------- wire list (process + experience) ---------- */
.wire-list{list-style:none;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:0;margin-top:8px}
.wire-list li{position:relative;padding:26px 16px 0 0;min-width:0}
.wire-list li::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:var(--wire)}
.wire-list li::after{content:"";position:absolute;left:0;top:5px;width:10px;height:10px;border-radius:50%;background:var(--jn)}
.wire-list li:last-child::before{right:auto;width:24px}
.wire-list__k{display:block;font-family:var(--font-mono);font-size:.75rem;color:var(--field);margin-bottom:4px}
.wire-list__t{display:block;font-family:var(--font-display);font-weight:700;color:var(--heading);font-size:1.02rem;line-height:1.2}
.wire-list__d{display:block;font-size:.88rem;color:var(--ink-soft);margin-top:2px}
@media (max-width:1100px){
  .wire-list{grid-auto-flow:row;grid-auto-columns:auto}
  .wire-list li{padding:0 0 18px 26px}
  .wire-list li::before{left:4px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .wire-list li::after{left:0;top:5px}
  .wire-list li:last-child{padding-bottom:0}
  .wire-list li:last-child::before{width:2px;height:12px}
  .wire-list li:first-child::before{top:10px}
}

/* ---------- quotes ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:860px){.quotes{grid-template-columns:minmax(0,1fr)}}
.featured{margin:4px 0 28px;padding:4px 0 4px 22px;border-left:4px solid var(--wire);display:grid;gap:12px;max-width:62rem}
.featured__text{margin:0;font-family:var(--font-display);font-weight:700;font-size:clamp(1.2rem,2.1vw,1.55rem);line-height:1.3;letter-spacing:-.01em;color:var(--heading);text-wrap:pretty}
@media (max-width:640px){.featured{padding-left:16px}.featured__text{font-size:1.1rem}}
.featured__by{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;font-family:var(--font-mono);font-size:.8rem;color:var(--field)}
.featured__name{font-weight:700;color:var(--ink)}
.featured__src{color:var(--ink-soft)}
.quote{margin:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-raised);padding:18px;display:flex;flex-direction:column;gap:14px}
.quote__stars{color:var(--heading);letter-spacing:2px;font-size:.85rem}
.quote blockquote{margin:0;font-size:1.02rem;line-height:1.45;flex:1}
.quote figcaption{font-family:var(--font-mono);font-size:.75rem;color:var(--field)}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;align-items:center}
.about__photo{width:148px;height:148px;border:1.5px solid var(--sym);border-radius:var(--radius);background:var(--bg-raised);overflow:hidden}
.about__photo img{width:100%;height:100%;object-fit:cover}
.about__photo .photo-slot{padding:8px}
.about__text{display:grid;gap:12px;max-width:62ch}
.about__body{display:grid;gap:10px}
.about__facts{list-style:none;display:flex;flex-wrap:wrap;gap:4px 20px;font-family:var(--font-mono);font-size:.8rem;color:var(--field)}
@media (max-width:560px){.about{grid-template-columns:minmax(0,1fr)}.about__photo{width:112px;height:112px}}

/* ---------- contact: drawn like a KiCad title block ---------- */
.tblock{border:1.5px solid var(--sheet);border-radius:var(--radius);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);background:var(--bg)}
.tblock > *{padding:18px 20px;min-width:0}
.tblock__main{border-right:1.5px solid var(--sheet);display:grid;gap:16px;align-content:start}
.tblock__main h2{font-size:var(--fs-2xl)}
.tblock__cells{display:grid;grid-template-rows:repeat(3,auto);padding:0}
.tblock__cell{padding:12px 20px;border-bottom:1px solid var(--sheet);display:grid;gap:4px}
.tblock__cell:last-child{border-bottom:0}
.tblock__k{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--sheet)}
.tblock__v{font-family:var(--font-mono);font-size:.92rem;color:var(--ink);display:flex;align-items:center;gap:10px;flex-wrap:wrap;overflow-wrap:anywhere}
@media (max-width:760px){.tblock{grid-template-columns:minmax(0,1fr)}.tblock__main{border-right:0;border-bottom:1.5px solid var(--sheet)}}
.copy-btn{min-height:34px;padding:4px 10px;border:1px solid var(--sym);border-radius:var(--radius);background:transparent;color:var(--heading);
  font-family:var(--font-mono);font-size:.75rem;cursor:pointer}
.copy-btn:hover{box-shadow:0 0 0 3px var(--select)}

/* ---------- footer ---------- */
.site-footer{border-top:1.5px solid var(--sheet);padding-block:28px calc(28px + env(safe-area-inset-bottom,0px))}
.ftr{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between}
.ftr__links{display:flex;flex-wrap:wrap;gap:6px 16px;font-family:var(--font-mono);font-size:var(--fs-sm)}
.ftr__links a{text-decoration:none;color:var(--ink);padding:6px 0}
.ftr__links a:hover{color:var(--hover)}
@media (max-width:640px){
  .ftr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px;align-items:start}
  .ftr > .brand,.ftr__silk{grid-column:1 / -1}
  .ftr__links{flex-direction:column;gap:0}
  .ftr__links a{padding:7px 0}
}
.ftr__silk{width:100%;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 20px;font-family:var(--font-mono);font-size:.75rem;color:var(--field);
  border-top:1px solid var(--line);padding-top:14px}

/* ---------- dialogs (quick view + brief) ---------- */
html:has(dialog[open]){overflow:hidden}
.dlg{padding:0;border:1.5px solid var(--sym);border-radius:var(--radius);background:var(--bg);color:var(--ink);
  width:min(1080px,calc(100vw - 32px));max-width:none;max-height:calc(100dvh - 32px);overflow:hidden;overscroll-behavior:contain}
.dlg--brief{width:min(640px,calc(100vw - 32px))}
.dlg::backdrop{background:var(--backdrop)}
.dlg[open]{display:flex;flex-direction:column}
.dlg__close{position:absolute;right:calc(10px + env(safe-area-inset-right,0px));top:calc(10px + env(safe-area-inset-top,0px));z-index:3;
  width:44px;height:44px;display:grid;place-items:center;
  border:1px solid var(--sym);border-radius:var(--radius);background:var(--bg);color:var(--heading);cursor:pointer;font-size:1.2rem;line-height:1}
.dlg__close:hover{box-shadow:0 0 0 3px var(--select)}
/* quick view */
.qv{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);min-height:0;flex:1;overflow:hidden}
.qv__media{background:var(--bg-raised);display:flex;flex-direction:column;min-height:0;border-right:1.5px solid var(--sym)}
.qv__stage{position:relative;flex:1;min-height:min(60vh,520px);overflow:hidden}
.qv__stage > img,.qv__stage > .photo-slot{position:absolute;inset:0;width:100%;height:100%}
.qv__stage > img{object-fit:contain}
.qv__thumbs{display:flex;gap:8px;padding:10px;overflow-x:auto;border-top:1px solid var(--line);flex:none}
.qv__thumbs button{flex:none;width:68px;height:52px;padding:0;border:2px solid transparent;border-radius:2px;overflow:hidden;cursor:pointer;background:var(--bg)}
.qv__thumbs button[aria-current="true"]{border-color:var(--bright)}
.qv__thumbs img{width:100%;height:100%;object-fit:cover}
.qv__thumbs .photo-slot{padding:0;outline-offset:-4px}
.qv__thumbs .photo-slot__icon{width:18px;height:18px}
.qv__stage .photo-slot{font-size:.9rem}
.qv__stage .photo-slot__label{max-width:30ch}
.qv__info{padding:24px 24px 18px;overflow:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:14px;min-height:0}
.qv__meta{display:flex;flex-wrap:wrap;gap:4px 8px;font-family:var(--font-mono);font-size:.78rem;color:var(--field);padding-right:48px}
.qv__meta span + span::before{content:"·";margin-right:8px}
.qv__info h2{font-size:clamp(1.5rem,2.6vw,2rem);padding-right:48px}
.qv__summary{color:var(--ink)}
.qv__quote{margin:0;padding:2px 0 2px 14px;border-left:3px solid var(--wire);display:grid;gap:6px}
.qv__quote blockquote{margin:0;font-style:italic;color:var(--ink)}
.qv__quote figcaption{font-family:var(--font-mono);font-size:.75rem;color:var(--field)}
.qv__facts{display:grid;grid-template-columns:auto minmax(0,1fr);gap:7px 18px;margin:0;font-family:var(--font-mono);font-size:.8rem;
  border-top:1px solid var(--line);padding-top:12px}
.qv__fact{display:contents}
.qv__facts dt{color:var(--field)}
.qv__facts dd{margin:0;color:var(--ink)}
.qv__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:6px}
.qv__bar{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1.5px solid var(--sym);padding:8px 10px;background:var(--bg);flex:none}
.qv__bar button{min-height:40px;padding:0 14px;border:1px solid var(--sym);border-radius:var(--radius);background:transparent;color:var(--heading);
  font-family:var(--font-mono);font-size:.8rem;cursor:pointer}
.qv__bar button:hover{box-shadow:0 0 0 3px var(--select)}
.qv__count{font-family:var(--font-mono);font-size:.78rem;color:var(--field)}
/* brief form */
.brief{display:grid;align-content:start;gap:14px;padding:24px;overflow:auto;overscroll-behavior:contain;flex:1;min-height:0}
.brief__head{display:grid;gap:6px;padding-right:48px}
.brief h2{font-size:1.6rem}
.brief__intro{color:var(--ink-soft)}
.brief__send{justify-self:start;min-width:140px}
.brief__row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:560px){.brief__row{grid-template-columns:minmax(0,1fr)}}
.field{display:grid;gap:6px}
.field label{font-family:var(--font-mono);font-size:.75rem;color:var(--field)}
.field input,.field select,.field textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--sym);border-radius:var(--radius);
  background:var(--bg-raised);color:var(--ink);font:inherit}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--hover);outline-offset:1px}
.field [aria-invalid="true"]{border-color:var(--pinnum);box-shadow:inset 0 0 0 1px var(--pinnum)}
.field__err{font-family:var(--font-mono);font-size:.78rem;color:var(--pinnum)}
.brief__done{display:grid;gap:12px;padding:32px 24px;text-align:left}
.brief__done h2:focus{outline:none}

@media (min-width:761px) and (min-height:521px){ #qv{height:min(700px,calc(100dvh - 32px))} }
/* phones: dialogs become full screen pages */
@media (max-width:760px){
  .dlg,.dlg--brief{width:100vw;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0;
    padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px)}
  .qv{grid-template-columns:minmax(0,1fr);grid-auto-rows:max-content;overflow:auto;overscroll-behavior:contain}
  .qv__media{border-right:0;border-bottom:1.5px solid var(--sym)}
  .qv__stage{flex:none;min-height:0;aspect-ratio:4/3}
  .qv__info{overflow:visible}
}
/* landscape phones: full screen, photo shrinks to fit */
@media (min-width:761px) and (max-height:520px){
  .dlg,.dlg--brief{width:100vw;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0;
    padding:0 env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px)}
  .qv__stage{min-height:0}
}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:300;
  background:var(--heading);color:var(--bg);font-family:var(--font-mono);font-size:.82rem;padding:10px 14px;border-radius:var(--radius);
  box-shadow:0 6px 24px rgba(0,0,0,.18);max-width:calc(100vw - 32px)}

/* ---------- touch screens: 44px targets ---------- */
@media (pointer:coarse){
  .chip,.copy-btn,.qv__bar button,.theme-switch button,.btn--sm{min-height:44px}
  .link-btn{padding-block:10px}
  .ftr__links a{padding-block:10px}
}

/* ---------- portrait photos in landscape frames: whole photo on a blurred copy of itself ---------- */
.card__media.is-tall::before,.qv__stage.is-tall::before{content:"";position:absolute;inset:-24px;z-index:0;
  background:var(--ph-bg) center/cover no-repeat;filter:blur(20px) saturate(1.1);opacity:.5}
.card__media.is-tall img{position:relative;z-index:1;object-fit:contain}
.qv__stage.is-tall > img{z-index:1}
.card:hover .card__media.is-tall img{transform:none}
.about__photo img{object-position:50% 25%}
.brief__hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}