/* ============================================================
   styles.css  ·  Studio portfolio
   Sections: tokens · base · frame · browser · studio · palette ·
   rail · canvas/hero · artboard · projects · closing · inspector ·
   status · toast · responsive · motion
   ============================================================ */

/* ---------- tokens : light (default) ---------- */
:root {
  /* (dark overrides below) */
  --bg:#F2F0EB; --bg-grid:#E2DDD2; --surface:#FCFBF8; --panel:#F4F2EC;
  --ink:#0F0E0B; --ink-2:#38332C; --ink-3:#60584F; --label:#7A7268;
  --line:#C4BFB4; --line-2:#D8D3C8;
  --accent:#2B50E2; --accent-tint:rgba(43,80,226,.08); --accent-ring:rgba(43,80,226,.45);
  --warm:#E89A5C; --danger:#C0492F;
  --grad:linear-gradient(105deg,#E89A5C 0%,#C45CC8 45%,#2B50E2 100%);
  --grain:.30;
  --sh-soft:0 1px 2px rgba(40,30,15,.04),0 6px 20px rgba(40,30,15,.05);
  --sh-lift:0 2px 6px rgba(40,30,15,.06),0 16px 34px rgba(40,30,15,.10);
  --sh-pop:0 12px 40px rgba(40,30,15,.16);
  --rail:56px; --insp:300px; --chrome:0px; --studio:56px; --status:38px;
  --top:calc(var(--chrome) + var(--studio));
  --ff:"Geist","Inter",system-ui,sans-serif;
  --fm:"Geist Mono","JetBrains Mono",ui-monospace,monospace;
  --fh:"Caveat",cursive;
}

/* ---------- tokens : dark (cool navy, accent-blue family) ---------- */
[data-theme="dark"]{
  --bg:#171C26;--bg-grid:#1C2232;--surface:#1E2737;--panel:#1B2330;
  --ink:#E8EEFF;--ink-2:#A8BFEC;--ink-3:#5573A8;--label:#3A5280;
  --line:#273040;--line-2:#202B3C;
  --sh-soft:0 1px 2px rgba(0,0,0,.30),0 6px 20px rgba(0,0,0,.36);
  --sh-lift:0 2px 6px rgba(0,0,0,.32),0 16px 34px rgba(0,0,0,.42);
}
[data-theme="dark"] .grain{opacity:.12;mix-blend-mode:screen}
[data-theme="dark"] .studio{background:rgba(23,28,38,.88)}
[data-theme="dark"] .cmdbar{background:var(--surface)}
[data-theme="dark"] .bit,
[data-theme="dark"] .bit:hover,
[data-theme="dark"] .bit:active,
[data-theme="dark"] .bit.grabbing{filter:brightness(0) invert(1)}
.swirl-art{cursor:crosshair}
/* dark mode avatar: transparent circle + white border + white bitmoji */
[data-theme="dark"] .avatar{filter:brightness(0) invert(1);background:transparent;border-color:rgba(255,255,255,.3)}

/* ---------- base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M5 3l7 17 2.5-6.5L21 11z' fill='%231A1814'/%3E%3C/svg%3E") 5 3, default}
[data-theme="dark"] html{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M5 3l7 17 2.5-6.5L21 11z' fill='%23E8EEFF'/%3E%3C/svg%3E") 5 3, default}
html{overflow-x:hidden;max-width:100vw;scroll-padding-top:calc(var(--top) + 16px)}
body{
  font-family:var(--ff); color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; line-height:1.4;
  overflow-x:hidden; max-width:100vw;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent-ring);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--fm)}
.label{font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--label)}

.grain{position:fixed;inset:0;z-index:130;pointer-events:none;opacity:var(--grain);mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");}

/* ---------- browser chrome ---------- */
.browser{position:fixed;top:0;left:0;right:0;height:var(--chrome);z-index:100;
  display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--panel);
  border-bottom:1px solid var(--line)}
.browser .ico{width:16px;height:16px;color:var(--ink-3);flex:none}
.browser .url{font-family:var(--fm);font-size:12px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.browser .tools{margin-left:auto;display:flex;align-items:center;gap:16px}
.browser .tools .ico{cursor:default}

/* ---------- studio bar ---------- */
.studio{position:fixed;top:var(--chrome);left:0;right:0;height:var(--studio);z-index:100;
  display:flex;align-items:center;background:var(--bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.studio .logo{width:var(--rail);display:flex;align-items:center;justify-content:center;flex:none}
.studio .logo svg{width:22px;height:22px;transition:transform .2s cubic-bezier(.2,.8,.2,1), stroke .2s}
.studio .logo:hover svg{transform:scale(1.12) rotate(15deg);stroke:var(--ink)}
.cmdbar{position:absolute;left:50%;transform:translateX(-50%);
  width:min(560px,48vw);height:38px;border:1px solid var(--line);border-radius:22px;background:var(--surface);
  display:flex;align-items:center;gap:10px;padding:0 10px 0 14px;color:var(--ink-3);font-size:13px;
  box-shadow:var(--sh-soft);transition:border-color .2s,box-shadow .2s,width .25s}
.cmdbar:hover{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint),var(--sh-soft);width:min(600px,52vw)}
.cmdbar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint),var(--sh-soft)}
.cmdbar .mag{width:16px;height:16px;color:var(--ink-3);transition:color .2s}
.cmdbar:hover .mag{color:var(--accent)}
.cmdbar .q{flex:1;text-align:left}
.cmdbar .keys{display:flex;gap:5px}
.kbd{font-family:var(--fm);font-size:10.5px;color:var(--ink-3);background:var(--panel);
  border:1px solid var(--line);border-radius:5px;padding:1px 5px;line-height:1.5;transition:transform .1s, border-color .2s}
.cmdbar:hover .kbd{border-color:var(--ink-2)}
.cmdbar:active .kbd{transform:translateY(1px)}
.studio .right{margin-left:auto;display:flex;align-items:center;gap:16px;padding-right:20px}
.studio .right .ico{width:18px;height:18px;color:var(--ink-2);transition:color .2s, transform .2s}
.studio .right .ico:hover{color:var(--accent);transform:rotate(5deg) scale(1.1)}
.avatar{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);object-fit:cover;background:var(--panel);transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.avatar:hover{transform:translateY(-2px) scale(1.05);border-color:var(--accent)}
.vtag{font-family:var(--fm);font-size:11px;color:var(--ink-3);display:inline-block;transition:color .2s, transform .2s}
.vtag:hover{color:var(--accent);transform:translateY(-1px)}
/* studio bar extra buttons */
.stbtn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;
  border-radius:8px;color:var(--ink-2);transition:color .18s,background .18s,transform .18s;flex:none}
.stbtn:hover{color:var(--ink);background:var(--line-2);transform:scale(1.08)}
.vsep{width:1px;height:18px;background:var(--line);margin:0 2px;flex:none}

/* scroll progress — gradient hairline under the studio bar, like an export bar */
.scroll-progress{position:fixed;top:var(--top);left:0;right:0;height:2px;z-index:101;
  background:var(--grad);transform:scaleX(0);transform-origin:0 50%;
  pointer-events:none;will-change:transform}

/* theme flood — let the circular clip drive the transition, not the default crossfade */
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}

/* marquee selection — the Figma drag-rectangle */
.marquee-box{position:fixed;z-index:96;border:1px solid var(--accent);
  background:var(--accent-tint);border-radius:2px;pointer-events:none;display:none}

/* visiting collaborator cursor (multiplayer fiction) */
.visitor-cursor{position:fixed;left:0;top:0;z-index:126;pointer-events:none;
  display:none;will-change:transform}
.visitor-cursor svg{display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.25))}
.visitor-cursor .vc-tag{position:absolute;left:14px;top:16px;white-space:nowrap;
  font-family:var(--fm);font-size:10px;letter-spacing:.04em;color:#fff;
  background:#C45CC8;border-radius:4px;padding:2px 7px;
  box-shadow:0 2px 8px rgba(196,92,200,.4)}

/* ---------- command palette ---------- */
.scrim{position:fixed;inset:0;z-index:110;background:rgba(20,15,5,.06);opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
.scrim.open{opacity:1;visibility:visible}
[data-theme="dark"] .scrim{background:rgba(0,0,0,.28)}
.palette{position:fixed;top:calc(var(--top) + 6px);left:50%;transform:translateX(-50%) translateY(-6px);
  width:540px;max-width:calc(100vw - 32px);max-height:70vh;z-index:115;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-pop);overflow:hidden;
  display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .18s,transform .18s,visibility .18s}
.palette.open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.palette .search{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line-2)}
.palette .search svg{width:16px;height:16px;color:var(--ink-3);flex:none}
.palette .search input{flex:1;border:none;background:none;outline:none;font-size:15px;color:var(--ink)}
.palette .search input::placeholder{color:var(--ink-3)}
.palette .list{overflow-y:auto;padding:6px}
.grp{padding:8px 10px 2px}
.grp .label{padding-left:6px}
.row{display:flex;align-items:center;gap:12px;height:40px;padding:0 12px;border-radius:8px;cursor:pointer;border-left:2px solid transparent}
.row .ri{width:16px;height:16px;color:var(--ink-2);flex:none}
.row .rt{font-size:13px;color:var(--ink);width:150px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .rd{font-size:12px;color:var(--ink-3);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .rk{font-family:var(--fm);font-size:11px;color:var(--ink-3)}
.row[aria-selected="true"]{background:var(--accent-tint);border-left-color:var(--accent)}
.row[aria-selected="true"] .rt{color:var(--ink)}
.row.hidden{display:none}
.palette .foot{display:flex;gap:18px;padding:9px 16px;border-top:1px solid var(--line-2);font-family:var(--fm);font-size:11px;color:var(--ink-3)}

/* ---------- left rail ---------- */
.rail{position:fixed;top:var(--top);left:0;bottom:var(--status);width:var(--rail);z-index:100;
  background:var(--bg);border-right:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;padding:18px 0}
.rail .tool{position:relative;width:32px;height:32px;display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);border-radius:7px;margin-bottom:6px;cursor:pointer;
  transition:color .15s,background .15s,transform .15s}
.rail .tool:hover{color:var(--ink);background:var(--line-2);transform:scale(1.12)}
.rail .tool:hover svg{stroke:url(#iconGrad)}
.rail .tool svg{width:18px;height:18px}
.rail .tool.active{color:var(--ink)}
/* use ::before for the active dot so ::after stays free for the tooltip */
.rail .tool.active::before{content:"";position:absolute;right:2px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--grad);transform:translateY(-50%)}
.rail .spacer{flex:1}
.rail .editor{font-family:var(--fm);font-size:9px;color:var(--ink-3);text-align:center;margin-top:8px;line-height:1.3}
/* rail tooltips */
.rail .tool[data-tip]::after{
  content:attr(data-tip);position:absolute;left:calc(100% + 18px);top:50%;
  transform:translateY(-50%) translateX(-8px);opacity:0;pointer-events:none;z-index:200;
  white-space:nowrap;background:var(--ink);color:var(--bg);
  font-family:var(--fm);font-size:11px;letter-spacing:.04em;
  padding:4px 10px;border-radius:7px;
  transition:opacity .14s ease,transform .14s ease;
}
.rail .tool[data-tip]:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}

/* ---------- canvas / scroll area ---------- */
.canvas{margin-left:var(--rail);margin-right:var(--insp);padding:var(--top) 0 var(--status);
  background-color:var(--bg);
  background-image:radial-gradient(var(--bg-grid) 1px,transparent 1.4px);
  background-size:22px 22px;background-position:10px calc(var(--top) + 10px);
  min-height:100vh}
.wrap{max-width:1180px;margin:0 auto;padding:0 40px}

/* hero animations */
@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}100%{opacity:1;transform:translateY(0)}}
@keyframes fadeUpBit{0%{opacity:0;transform:translateX(50%) translateY(12px)}100%{opacity:1;transform:translateX(35%) translateY(0)}}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:stretch;padding:64px 0 40px}
.hero .left{position:relative}
.hero .right{display:flex;flex-direction:column;justify-content:flex-start}
.hero .eyebrow{margin-bottom:18px;display:block;white-space:nowrap;overflow:hidden;animation:fadeUp .6s ease-out forwards;opacity:0}
.h1{font-size:clamp(40px,5vw,66px);font-weight:600;letter-spacing:-.03em;line-height:1.02;position:relative;animation:fadeUp .6s ease-out .1s forwards;opacity:0}
.h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;display:inline-block}
.h1 .frametag{position:absolute;left:0;top:-22px;font-family:var(--fm);font-size:10px;color:var(--accent);opacity:0;transition:opacity .2s}
.hero .head:hover .frametag{opacity:1}
.hero .head:hover .h1::after{content:"";position:absolute;inset:-10px -10px;border:1px solid var(--accent-ring);border-radius:3px;pointer-events:none}
.hero .head{position:relative}
.coords{margin-top:20px;font-family:var(--fh);font-size:22px;color:var(--ink-3);animation:fadeUp .6s ease-out .2s forwards;opacity:0}
.coords .ar{color:var(--accent);display:inline-block;transition:transform .2s}
.coords:hover .ar{transform:translateX(3px)}
.bitwrap{position:absolute;right:0;bottom:0;transform:translateX(50%);z-index:10;animation:fadeUpBit .8s cubic-bezier(.2,.8,.2,1) .3s forwards;opacity:0}
.bit{width:clamp(224px,28vw,370px);height:auto;cursor:grab;user-select:none;-webkit-user-drag:none;touch-action:none;filter:drop-shadow(0 16px 22px rgba(40,30,15,.14));transition:filter .3s}
.bit:hover{filter:drop-shadow(0 22px 28px rgba(40,30,15,.18))}
.bit.grabbing{cursor:grabbing}
.note{font-family:var(--fh);font-size:clamp(24px,3vw,38px);color:var(--ink-2);line-height:1.02;white-space:pre-line;position:relative;padding-bottom:10px;max-width:220px}
.note svg{position:absolute;left:0;bottom:-2px;width:100%;height:8px}

/* artboard */
/* polaroid frame: thin even borders, thick caption chin at the bottom */
.artboard{position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:10px;box-shadow:0 16px 40px rgba(40,30,15,.13),0 2px 8px rgba(40,30,15,.07);
  aspect-ratio:1/1;padding:13px 13px 46px;overflow:hidden;
  animation:fadeUp .8s cubic-bezier(.2,.8,.2,1) .25s forwards;opacity:0}
.artboard canvas{position:absolute;top:13px;left:13px;
  width:calc(100% - 26px);height:calc(100% - 59px);display:block;border-radius:5px}
.swirl-art{cursor:crosshair}
/* mobile full-bleed art divider (hidden on desktop) */
.art-divider{display:none}
.swirl-divider{cursor:crosshair}

/* studio nav art canvas (mobile only) */
.studio-art-bg{display:none;position:absolute;left:0;top:0;
  width:100%;height:400px;pointer-events:none;z-index:0}
/* caption labels live on the polaroid chin */
.artboard .ab-tl,.artboard .ab-tr{position:absolute;bottom:17px;font-family:var(--fm);
  font-size:10px;letter-spacing:.09em;color:var(--ink-3);z-index:2}
.artboard .ab-tl{left:16px}
.artboard .ab-tr{right:16px}

/* ---------- projects (kanban) ---------- */
.projects{padding:40px 0 24px}
.proj-head{display:flex;align-items:center;gap:10px;margin-bottom:26px;color:var(--label)}
.proj-head .dots{width:14px;height:14px;color:var(--ink-3)}
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.col{padding:0 22px;border-right:1px solid var(--line)}
.col:first-child{padding-left:0}
.col:last-child{border-right:none;padding-right:0}
.col.full{grid-column:1 / -1;border-right:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);align-content:start}
.col.full .col-head{grid-column:1 / -1;padding:0 22px;margin-bottom:24px}
.col.full .card{margin:0 22px 16px}
.col-head{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.col-head .nm{font-family:var(--fm);font-size:11px;letter-spacing:.14em;color:var(--ink-2)}
.count{font-family:var(--fm);font-size:10px;color:var(--ink-3);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:0 7px;line-height:16px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;
  box-shadow:var(--sh-soft);margin-bottom:16px;cursor:grab;user-select:none;touch-action:none;transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s cubic-bezier(.2,.8,.2,1);
  transform:rotate(var(--r,0deg));display:flex;flex-direction:column}
.card:nth-child(3n),.card:nth-child(4n){translate:none}
.card:hover{transform:rotate(0) translateY(-4px) scale(1.01);box-shadow:var(--sh-pop)}
.card .ct{font-size:15px;font-weight:600;letter-spacing:-.01em;transition:color .2s}
.card:hover .ct{color:var(--accent)}
.card .cd{font-size:13px;color:var(--ink-3);line-height:1.5;margin-top:6px}
.card .cd{flex:1}
.card .cf{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.card .tag{font-family:var(--fm);font-size:10.5px;color:var(--ink-3)}
.card .when{font-family:var(--fm);font-size:10.5px;color:var(--ink-3)}
.card .dot{width:7px;height:7px;border-radius:50%;background:var(--line);margin-left:8px;flex:none}
.card.accent .dot{background:var(--accent);animation:breathe 2.4s ease-in-out infinite}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:10px;border-top:1px solid var(--line-2)}
.card-num{font-family:var(--fm);font-size:9.5px;color:var(--label);letter-spacing:.08em}
.cdot{width:7px;height:7px;border-radius:50%;flex:none}
.cdot.shipped{background:#2B50E2}
.cdot.in_progress{background:#f59e0b}
.cdot.exploring{background:#a78bfa}
.card.selected{border-color:var(--line);transform:rotate(0);box-shadow:0 0 0 2.5px var(--accent),var(--sh-lift)}
.card.selected .handle{position:absolute;width:8px;height:8px;background:var(--surface);border:2px solid var(--accent);border-radius:50%;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.card.selected .h1c{top:-5px;left:-5px}.card.selected .h2c{top:-5px;right:-5px}
.card.selected .h3c{bottom:-5px;left:-5px}.card.selected .h4c{bottom:-5px;right:-5px}
.card .handle{display:none}
.card.selected .handle{display:block}
.empty{border:1px dashed var(--line);border-radius:12px;background:transparent;box-shadow:none;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  min-height:120px;color:var(--ink-3);cursor:default;animation:pulse 3s ease-in-out infinite}
.empty .plus{font-size:18px}
.empty .lbl{font-family:var(--fm);font-size:11px;letter-spacing:.1em}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:.9}}
/* dragging */
.card[draggable]{user-select:none}
.card.dragging{opacity:.3;transform:rotate(0deg) scale(.97) !important;
  transition:none !important;box-shadow:none !important;pointer-events:none}
.card.drag-over{outline:2px solid var(--accent);outline-offset:2px;
  transform:rotate(0) scale(1.02) !important;box-shadow:var(--sh-lift) !important}
/* expand/collapse */
.card-hidden{display:none !important}
.show-more{grid-column:1/-1;display:flex;align-items:center;justify-content:center;
  gap:7px;padding:11px 16px;background:none;border:1px dashed var(--line);border-radius:10px;
  font-family:var(--fm);font-size:10.5px;letter-spacing:.12em;color:var(--ink-3);
  cursor:pointer;transition:all .2s;margin:0 22px 16px}
.show-more:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-tint)}
/* canvas no-grid */
.canvas.no-grid{background-image:none}

/* ---------- closing ---------- */
.closing{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start;
  padding:72px 0 90px;border-top:1px solid var(--line);margin-top:40px}
.closing .stmt{font-family:var(--fm);font-size:16.5px;font-weight:400;letter-spacing:.04em;line-height:1.7;color:var(--ink-2);max-width:32ch}
.metalist{display:flex;flex-direction:column;gap:5px}
.metarow{display:grid;grid-template-columns:max-content 1fr;gap:14px;font-family:var(--fm);font-size:11px}
.metarow .k{color:var(--ink-3);letter-spacing:.1em}
.metarow .v{color:var(--ink);letter-spacing:.06em}

/* ---------- right inspector ---------- */
.inspector{position:fixed;top:var(--top);right:0;bottom:var(--status);width:var(--insp);z-index:100;
  background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;padding:0}
.insp-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.insp-head .x{color:var(--ink-3);width:16px;height:16px}
.field{padding:14px 16px;border-bottom:1px solid var(--line-2)}
.field > .label{display:block;margin-bottom:10px}
.boxrow{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:8px 10px}
.boxrow .a{font-family:var(--fm);font-size:12.5px;color:var(--ink)}
.boxrow .b{font-size:11px;color:var(--ink-3);margin-top:2px}
.sel{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-family:var(--fm);font-size:12.5px;width:100%}
.sdot{width:7px;height:7px;border-radius:50%;flex:none;display:inline-block}
.sel .sdot{background:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--fm);font-size:11px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:3px 8px}
.kv{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.kv:first-of-type{margin-top:0}
.kv .label{margin:0}
.inp{font-family:var(--fm);font-size:12px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:5px 9px;width:88px;text-align:left}
.collap > .label{display:flex;align-items:center;justify-content:space-between;cursor:pointer}
.collap .chev{transition:transform .2s}
.collap.closed .chev{transform:rotate(-90deg)}
.collap.closed .body{display:none}
.toggle{width:34px;height:20px;border-radius:20px;background:var(--line);position:relative;transition:background .2s;flex:none}
.toggle::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.toggle.on{background:var(--accent)}
.toggle.on::after{transform:translateX(14px)}
.notes textarea{width:100%;min-height:64px;resize:vertical;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:12.5px;outline:none}
.notes textarea::placeholder{color:var(--ink-3)}
.act{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 4px;font-size:13px}
.act .rk{font-family:var(--fm);font-size:11px;color:var(--ink-3)}
.act.danger{color:var(--danger)}
/* emoji icon in palette rows */
.re{display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;width:16px;height:16px;flex:none}
/* social links */
.social{display:flex;align-items:center;gap:8px;margin-top:20px;animation:fadeUp .6s ease-out .35s forwards;opacity:0}
.slink{display:flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:8px;border:1px solid var(--line);color:var(--ink-3);background:var(--surface);
  transition:color .18s,border-color .18s,background .18s,transform .18s,box-shadow .18s}
.slink:hover{border-color:var(--ink-2);background:var(--panel);
  transform:translateY(-2px);box-shadow:var(--sh-soft)}
.slink:hover .fill-svg{fill:url(#iconGrad)}
.slink:hover .stroke-svg{stroke:url(#iconGrad)}
.closing-col{display:flex;flex-direction:column;gap:20px}
.closing-col .social{animation:none;opacity:1}
.mobile-canvas-tag{display:none}

/* scroll hint chevron */
.scroll-hint{display:flex;align-items:center;justify-content:center;
  width:100%;padding:0px 0 0px;color:var(--ink-3);opacity:.5;
  animation:hintBounce 2.2s ease-in-out infinite;background:none;border:none;cursor:pointer;
  transition:opacity .2s}
.scroll-hint:hover{opacity:.85}
.scroll-hint svg{width:20px;height:20px}
@keyframes hintBounce{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(6px);opacity:.8}}

/* section dots (reuse proj-head pattern) */
.sec-dots{width:14px;height:14px;color:var(--ink-3);flex:none}
/* inspector status select */
.status-sel{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:6px;
  padding:8px 32px 8px 10px;font-family:var(--fm);font-size:12.5px;color:var(--ink);
  -webkit-appearance:none;appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A857B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center}
.status-sel:focus{outline:none;border-color:var(--accent)}
/* custom status dropdown */
.status-dd{position:relative}
.status-trigger{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:6px;padding:8px 32px 8px 10px;font-family:var(--fm);font-size:12.5px;color:var(--ink);
  cursor:pointer;user-select:none;position:relative;width:100%}
.st-chev{position:absolute;right:10px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;color:var(--ink-3);pointer-events:none}
.status-menu{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:300;
  background:var(--surface);border:1px solid var(--line);border-radius:8px;
  box-shadow:var(--sh-soft);overflow:hidden;display:none}
.status-dd.open .status-menu{display:block}
.status-opt{display:flex;align-items:center;gap:8px;padding:8px 12px;cursor:pointer;
  font-family:var(--fm);font-size:12.5px;color:var(--ink)}
.status-opt:hover{background:var(--accent-tint)}
/* color picker row in inspector */
.color-row{display:flex;align-items:center;gap:6px}
/* custom glassmorphic color swatch button */
.insp-reset-btn{font-family:var(--fm);font-size:10px;letter-spacing:.07em;color:var(--ink-3);
  background:var(--surface);border:1px solid var(--line);border-radius:5px;
  padding:3px 8px;cursor:pointer;transition:color .15s,border-color .15s}
.insp-reset-btn:hover{color:var(--danger);border-color:var(--danger)}
.cp-swatch-btn{width:22px;height:22px;border-radius:7px;border:1px solid rgba(0,0,0,.1);
  cursor:pointer;flex:none;box-shadow:0 2px 6px rgba(0,0,0,.1),inset 0 1px 0 rgba(255,255,255,.3);
  transition:transform .18s,box-shadow .18s}
.cp-swatch-btn:hover{transform:scale(1.12);box-shadow:0 4px 10px rgba(0,0,0,.18)}
/* glassmorphic color picker panel */
.cp{position:fixed;z-index:2000;width:212px;
  background:rgba(252,251,248,.9);backdrop-filter:blur(32px) saturate(1.8);
  -webkit-backdrop-filter:blur(32px) saturate(1.8);
  border:1px solid rgba(255,255,255,.65);border-radius:16px;padding:14px;
  box-shadow:0 8px 40px rgba(0,0,0,.18),0 2px 8px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.7);
  display:none;flex-direction:column;gap:10px}
[data-theme="dark"] .cp{background:rgba(14,24,41,.92);border-color:rgba(255,255,255,.12);
  box-shadow:0 8px 40px rgba(0,0,0,.48),inset 0 1px 0 rgba(255,255,255,.07)}
.cp.cp-open{display:flex}
.cp-grad-wrap{position:relative;border-radius:9px;overflow:hidden;cursor:crosshair;flex:none}
.cp canvas{display:block;width:100%;height:120px;border-radius:9px}
.cp-thumb{position:absolute;width:10px;height:10px;border-radius:50%;
  border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.32),0 2px 4px rgba(0,0,0,.2);
  transform:translate(-50%,-50%);pointer-events:none}
.cp-hue{-webkit-appearance:none;appearance:none;width:100%;height:10px;border-radius:5px;
  background:linear-gradient(to right,#f00,#ff0,#0f0,#0ff,#00f,#f0f,#f00);
  border:none;outline:none;cursor:pointer}
.cp-hue::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid rgba(0,0,0,.2);box-shadow:0 1px 4px rgba(0,0,0,.28);cursor:pointer}
.cp-hue::-moz-range-thumb{width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid rgba(0,0,0,.2);box-shadow:0 1px 4px rgba(0,0,0,.28);cursor:pointer;border:none}
.cp-row{display:flex;align-items:center;gap:8px}
.cp-preview{width:26px;height:26px;border-radius:7px;border:1px solid rgba(0,0,0,.08);flex:none;
  box-shadow:inset 0 1px 2px rgba(0,0,0,.1)}
.cp-hex{flex:1;font-family:var(--fm);font-size:11.5px;background:rgba(255,255,255,.45);
  border:1px solid rgba(255,255,255,.5);border-radius:7px;padding:5px 8px;
  color:var(--ink);outline:none;letter-spacing:.04em}
.cp-hex:focus{border-color:var(--accent);background:rgba(255,255,255,.7)}
[data-theme="dark"] .cp-hex{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14)}
.inp-sm{width:64px}
/* coming soon cursor tooltip */
.cursor-tip{position:fixed;z-index:9999;background:var(--ink);color:var(--bg);
  font-family:var(--fm);font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 10px;border-radius:20px;pointer-events:none;
  opacity:0;transition:opacity .12s;white-space:nowrap;box-shadow:var(--sh-soft)}
.cursor-tip.show{opacity:1}
/* pen/laser canvas + dark dim overlay for neon effect */
#penDim{position:fixed;inset:0;z-index:97;background:rgba(5,8,20,.91);
  opacity:0;pointer-events:none;transition:opacity .3s ease}
#penDim.active{opacity:1}
#penCanvas{position:fixed;inset:0;z-index:98;pointer-events:none}
#penCanvas.active{pointer-events:all;cursor:crosshair;touch-action:none}
/* AI thinking loader */
.thinking{display:none;align-items:center;gap:10px;padding:14px 18px;
  font-family:var(--fm);font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.thinking.active{display:flex}
.thinking-dots{display:flex;gap:5px}
.thinking-dots span{width:5px;height:5px;border-radius:50%;
  background:linear-gradient(135deg,#E89A5C,#C45CC8,#2B50E2);
  animation:dotPulse .9s ease-in-out infinite}
.thinking-dots span:nth-child(2){animation-delay:.2s}
.thinking-dots span:nth-child(3){animation-delay:.4s}
@keyframes dotPulse{0%,60%,100%{transform:scale(.7);opacity:.4}30%{transform:scale(1.2);opacity:1}}
.thinking-txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* RAG footer */
.rag-foot{padding:8px 16px;font-family:var(--fm);font-size:10.5px;color:var(--ink-3);
  border-top:1px solid var(--line-2);letter-spacing:.04em}
.rag-foot span{font-family:var(--fh);font-size:17px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- status bar ---------- */
.status{position:fixed;left:0;right:0;bottom:0;height:var(--status);z-index:100;
  display:flex;align-items:center;gap:22px;padding:0 16px;background:var(--panel);
  border-top:1px solid var(--line);font-family:var(--fm);font-size:11px;color:var(--ink-3);letter-spacing:.04em}
.status .zoom{font-family:var(--fm);font-size:11px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:2px 6px}
.status .xy{min-width:170px}
.status .clock{margin-left:auto;color:var(--ink-2)}
.status .canvas-tag{position:absolute;left:50%;transform:translateX(-50%);
  font-family:var(--fh);font-size:14px;letter-spacing:.01em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  pointer-events:none;white-space:nowrap}
.status .saved{margin-left:auto}
.status .conn{display:flex;align-items:center;gap:7px;color:var(--accent)}
.status .conn .d{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:breathe 2.4s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- mobile dock ---------- */
.mobile-dock{display:none;position:relative}
.mobile-dock-art-bg{position:absolute;top:0;bottom:0;left:50%;border-radius:22px;opacity:1;pointer-events:none;z-index:0;mix-blend-mode:normal;height:740%;width:auto;min-width:120%;max-width:none;transform:translateX(-50%) translateY(-12%) scale(1.15);transform-origin:center center}
.dock-btn svg{width:18px;height:18px}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:54px;left:50%;transform:translateX(-50%) translateY(8px);z-index:140;
  background:var(--ink);color:var(--bg);font-size:13px;padding:9px 16px;border-radius:8px;
  box-shadow:var(--sh-pop);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
.cmdbtn,.insp-toggle{display:none}
@media (max-width:1180px){
  :root{--insp:280px}
  .hero{gap:40px}
}
@media (max-width:1000px){
  .canvas{margin-right:0}
  .inspector{transform:translateX(100%);transition:transform .3s ease;box-shadow:var(--sh-pop)}
  .inspector.open{transform:translateX(0)}
  .insp-toggle{display:flex}
}
@media (min-width:1001px){ .insp-toggle{display:none} }
@media (max-width:760px){
  .cmdbar{display:none}
  .cmdbtn{display:none} /* search in dock handles mobile search */
  .studio{height:52px;backdrop-filter:none;background:var(--bg);overflow:hidden}
  .scroll-progress{top:52px}
  .studio .logo{width:48px;position:relative;z-index:1}
  .studio .right{gap:10px;padding-right:14px;position:relative;z-index:1}
  .studio .cmdbtn{position:relative;z-index:1}
  .studio-art-bg{display:none}
  /* white icons over the art */
  .studio .logo svg{stroke:var(--ink)}
  .studio .stbtn{color:var(--ink)}
  .studio .stbtn:hover{color:var(--ink);background:rgba(0,0,0,.08)}
  .studio .cmdbtn{color:var(--ink)}
  .studio .vsep{background:rgba(0,0,0,.2)}
  .studio .vtag{color:var(--ink-2)}
  .rail{display:none}
  .canvas{margin-left:0}
  .wrap{padding:0 20px}
  .hero{grid-template-columns:1fr;gap:0;padding:18px 0 0px}
  .hero .left{padding-right:46vw;min-height:300px}
  .hero .right{display:none}
  .art-divider{display:block;position:relative;width:100vw;margin-left:calc(50% - 50vw);
    height:20px;margin-top:0px;overflow:hidden;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    touch-action:none}
  .art-divider .swirl-divider{position:absolute;left:0;width:100%;
    height:340px;top:50%;transform:translateY(-50%);display:block}
  .bitwrap{position:absolute;left:calc(50vw - 20px);top:35px;bottom:auto;right:auto;
    width:auto;height:243px;transform:none;margin:0;z-index:10;
    animation:fadeUp .8s cubic-bezier(.2,.8,.2,1) .3s forwards}
  .bit{width:auto;height:100%;transform:scaleX(-1)}
  .board{grid-template-columns:1fr;gap:0}
  .col{border-right:none;border-bottom:1px solid var(--line);padding:0 0 8px;margin-bottom:20px}
  .col.full{grid-template-columns:1fr;padding:0 0 8px}
  .col.full .col-head{padding:0}
  .col.full .card{margin:0 auto 16px;width:80%}
  .col:last-child{border-bottom:none}
  .inspector{top:auto;left:10px;right:10px;bottom:78px;width:auto;max-height:min(72vh,620px);
    border:1px solid var(--line);border-radius:14px;background:rgba(244,242,236,.96);
    transform:translateY(calc(100% + 96px));box-shadow:var(--sh-pop)}
  .inspector.open{transform:translateY(0)}
  .insp-toggle{display:none}
  /* palette as bottom sheet on mobile */
  .palette{
    top:auto;bottom:0;left:0;right:0;width:100%;max-width:100%;max-height:82vh;
    border-radius:20px 20px 0 0;
    transform:translateX(0) translateY(100%);
  }
  .palette.open{transform:translateX(0) translateY(0)}
  .palette .search{padding:16px 18px 12px}
  .mobile-dock{position:fixed;left:50%;bottom:14px;z-index:125;display:flex;align-items:center;gap:8px;
    transform:translateX(-50%);padding:10px;border:1px solid rgba(43,80,226,.12);border-radius:22px;
    background:transparent;box-shadow:0 18px 34px rgba(43,80,226,.12);overflow:hidden}
  .mobile-dock::before{content:"";position:absolute;inset:0;border-radius:22px;background:rgba(255,255,255,.6);z-index:0;pointer-events:none}
  .mobile-dock .dock-btn{position:relative;z-index:1}
  .mobile-dock-art-bg{z-index:-1;opacity:1}
  .dock-btn{width:42px;height:42px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:var(--ink);
    background:transparent;transition:background .2s,color .2s}
  .dock-btn svg{filter:none;}
  .dock-btn.active{background:rgba(0,0,0,.9);color:#fff}
  .dock-btn:hover{background:rgba(0,0,0,.08);color:var(--ink)}
  .status{display:none}
  .mobile-canvas-tag{display:block;font-family:var(--fh);font-size:18px;letter-spacing:.01em;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
    margin-top:20px;line-height:1.5}
  .mobile-canvas-sub{font-family:var(--fm);font-size:11px;letter-spacing:.09em;
    text-transform:uppercase;background:none;-webkit-background-clip:unset;background-clip:unset;
    color:var(--ink-3);display:block;margin-top:2px}
  .closing{grid-template-columns:1fr;gap:24px}
  .toast{bottom:78px}
  .scroll-hint{padding:0;margin-bottom:0}
  .xp-section{padding:14px 0 18px}
  .xp-hd{margin-bottom:14px}
  /* eyebrow: single line, never wrap */
  .hero .eyebrow{white-space:nowrap;font-size:9.5px;letter-spacing:.09em}
  /* palette: pin to top when keyboard open */
  .palette{top:0;bottom:auto;border-radius:0 0 20px 20px;max-height:100vh}
  .palette.open{transform:translateY(0)}
  /* search icon swap to X when open handled via JS */
  /* writing tabs: horizontal only */
  .wtabs-bar{overflow-y:hidden}
  .wtabs-body{overflow-y:hidden}
}
@media (min-width:761px){ .cmdbtn{display:none} }

/* ===== experience timeline ===== */
.xp-section{padding:56px 0 32px}
.xp-hd{display:flex;align-items:center;gap:12px;margin-bottom:52px}

@media (max-width:760px) {
  .xp-section{padding:28px 0 24px}
  .xp-hd{margin-bottom:18px}
}

/* scrollable track */
.xp-track{overflow-x:auto;overflow-y:visible;cursor:grab;user-select:none;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;margin:0 -4px;padding:0 4px}
.xp-track::-webkit-scrollbar{display:none}
.xp-track.xp-grabbing{cursor:grabbing}

/* inner scroll content */
.xp-inner{position:relative;min-width:max-content}

/* rail */
.xp-rail{position:absolute;left:100px;right:100px;top:46px;height:1px;background:var(--line)}
.xp-fill{position:absolute;inset:0;
  background:linear-gradient(to right,#2B50E2,#C45CC8,#E89A5C);
  opacity:.6;transition:opacity .3s}
.xp-track:hover .xp-fill{opacity:1}

/* nodes */
.xp-nodes{display:flex;position:relative}
.xp-node{display:flex;flex-direction:column;align-items:center;width:200px;flex:none;
  padding:0 16px;cursor:default}

/* category tag above connector */
.xp-tag{font-family:var(--fm);font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);line-height:1;height:12px;display:flex;align-items:center;
  margin-bottom:10px;transition:color .22s}
/* vertical connector */
.xp-conn{width:1px;height:16px;background:var(--line);flex:none;transition:background .22s}

/* dot */
.xp-dot{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--ink-3);
  background:var(--bg);flex:none;position:relative;z-index:2;
  transition:border-color .25s,background .25s,
    transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s;
  margin-top:0;margin-bottom:18px}
.xp-node.xp-active .xp-dot{background:#2B50E2;border-color:#2B50E2;
  box-shadow:0 0 0 4px rgba(43,80,226,.18),0 0 14px rgba(43,80,226,.22)}
.xp-node:hover .xp-dot{transform:scale(1.5);border-color:#C45CC8;
  box-shadow:0 0 0 4px rgba(196,92,200,.15),0 0 12px rgba(196,92,200,.3)}
.xp-node.xp-active:hover .xp-dot{border-color:#2B50E2;
  box-shadow:0 0 0 5px rgba(43,80,226,.22),0 0 18px rgba(43,80,226,.38)}

/* company + role text */
.xp-co{font-family:var(--ff);font-size:13px;font-weight:600;letter-spacing:-.01em;
  color:var(--ink);white-space:nowrap;transition:color .22s}
.xp-role{font-family:var(--fm);font-size:10px;color:var(--ink-3);
  letter-spacing:.04em;margin-top:6px;line-height:1.5;text-align:center;transition:color .22s}

/* hover effects */
.xp-node:hover .xp-tag{color:var(--ink-2)}
.xp-node:hover .xp-conn{background:var(--ink-3)}
.xp-node:hover .xp-co{background:var(--grad);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.xp-node.xp-active .xp-co{color:#2B50E2}
.xp-node.xp-active:hover .xp-co{background:var(--grad);-webkit-background-clip:text;
  background-clip:text;color:transparent}

/* ===== writing section ===== */
.writing-section{padding:60px 0 72px}
.writing-hd{display:flex;align-items:center;gap:12px;margin-bottom:32px}

/* ── browser window ── */
.browser-win{border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 8px 40px rgba(0,0,0,.07),0 2px 6px rgba(0,0,0,.04)}

/* chrome bar: dots + url */
.bwin-chrome{display:flex;align-items:center;gap:12px;padding:12px 16px;
  background:var(--panel);border-bottom:1px solid var(--line)}
.bwin-dots{display:flex;gap:6px;flex:none}
.bwdot{width:11px;height:11px;border-radius:50%;
  transition:filter .18s,transform .18s}
.bwdot:nth-child(1){background:#E89A5C}
.bwdot:nth-child(2){background:#C45CC8}
.bwdot:nth-child(3){background:#2B50E2}
.bwin-chrome:hover .bwdot{filter:brightness(.85);transform:scale(1.12)}
.bwin-url{flex:1;font-family:var(--fm);font-size:11px;color:var(--ink-3);
  background:var(--surface);border:1px solid var(--line);border-radius:6px;
  padding:5px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .2s,border-color .2s;cursor:default}
.bwin-url:hover{color:var(--ink);border-color:var(--ink-3)}

/* tab bar */
.wtabs-bar{display:flex;gap:1px;padding:8px 10px 0;
  background:var(--panel);border-bottom:1px solid var(--line);
  overflow-x:auto;scrollbar-width:none}
.wtabs-bar::-webkit-scrollbar{display:none}

.wtab{display:flex;align-items:center;gap:7px;padding:8px 13px 10px;
  border-radius:9px 9px 0 0;border:1px solid transparent;border-bottom:none;
  background:transparent;cursor:pointer;position:relative;
  max-width:190px;min-width:0;flex:none;
  transition:background .15s,border-color .15s,opacity .15s;
  overflow:hidden;user-select:none}
/* liquid glass specular */
.wtab::before{content:'';position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(circle at var(--mx,50%) var(--my,-20%),
    rgba(255,255,255,.55) 0%,transparent 60%);
  opacity:0;pointer-events:none;transition:opacity .2s}
.wtab:hover::before,.wtab.active::before{opacity:1}
[data-theme="dark"] .wtab:hover::before,[data-theme="dark"] .wtab.active::before{opacity:.5}

.wtab-ico{font-size:13px;flex:none;line-height:1;
  transition:transform .2s cubic-bezier(.2,.8,.2,1)}
.wtab:hover .wtab-ico{transform:scale(1.15)}
.wtab-label{font-family:var(--fm);font-size:10.5px;letter-spacing:.02em;
  color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;
  transition:color .15s}
.wtab-x{margin-left:auto;font-size:13px;width:16px;height:16px;display:flex;
  align-items:center;justify-content:center;border-radius:50%;color:var(--ink-3);
  flex:none;opacity:0;transition:opacity .15s,background .15s}
.wtab:hover .wtab-x,.wtab.active .wtab-x{opacity:.7}
.wtab-x:hover{opacity:1 !important;background:rgba(0,0,0,.08)}

.wtab.active{background:var(--surface);border-color:var(--line);
  margin-bottom:-1px;z-index:1}
.wtab.active .wtab-label{color:var(--ink)}
.wtab[data-disabled]{opacity:.4;cursor:default;pointer-events:none}
/* "view all pieces" tab — link styled identically to other tabs */
.wtab-all{text-decoration:none}
.wtab-all:hover .wtab-label,.wtab-all:hover .wtab-ico{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* panel */
.wtabs-body{background:var(--surface);padding:40px 44px;min-height:200px}
.wtab-panel{display:none}
.wtab-panel.active{display:block}

/* article content */
.art-title{font-family:var(--fh);font-size:26px;font-weight:600;
  letter-spacing:-.025em;color:var(--ink);margin-bottom:18px;line-height:1.25}
.art-peek{font-family:var(--ff);font-size:14px;line-height:1.85;
  color:var(--ink-2);margin-bottom:28px;max-width:600px}
.art-link{display:inline-flex;align-items:center;gap:7px;
  font-family:var(--fm);font-size:11px;letter-spacing:.08em;
  color:var(--accent);text-decoration:none;opacity:.75;
  transition:opacity .2s,gap .2s}
.art-link:hover{opacity:1;gap:11px}
.art-empty{font-family:var(--fm);font-size:11px;color:var(--ink-3);
  letter-spacing:.1em;display:flex;align-items:center;justify-content:center;
  height:100px;opacity:.4;text-transform:uppercase}

/* ── gradient card border on hover (nudge toward click) ── */
.card:hover {
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    var(--grad) border-box;
  border: 1px solid transparent;
}

/* ── case study backdrop ── */
.cs-backdrop {
  position: fixed; inset: 0; z-index: 1999;
  background: rgba(5,8,20,.42);
  opacity: 0; transition: opacity .28s ease-out;
  will-change: opacity;
  cursor: pointer;
}
.cs-backdrop.cs-bd-in { opacity: 1; }

/* ── case study overlay (floating window) ── */
.cs-overlay {
  position: fixed; z-index: 2000;
  background: var(--surface);
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 40px 100px rgba(0,0,0,.28), 0 8px 28px rgba(0,0,0,.14),
              0 0 0 1px rgba(0,0,0,.07);
  will-change: transform, opacity;
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

/* window header (Slack toolbar) */
.cs-header {
  display: flex; align-items: center; height: 54px;
  padding: 0 16px; border-bottom: 1px solid var(--line);
  gap: 10px; flex: none; background: var(--panel);
  cursor: default; user-select: none;
}
.cs-close {
  width: 28px; height: 28px; border: 1px solid var(--line);
  border-radius: 7px; cursor: pointer; background: transparent;
  display: flex; align-items: center; justify-content: center;
  flex: none; color: var(--ink-3); transition: background .15s, color .15s;
}
.cs-close:hover { background: rgba(0,0,0,.07); color: var(--ink); }
.cs-htitle-wrap {
  display: flex; align-items: baseline; gap: 8px; flex: 1; min-width: 0;
}
.cs-htitle-ico { font-size: 16px; }
.cs-htitle-name {
  font-family: var(--ff); font-size: 14px; font-weight: 700;
  letter-spacing: -.02em; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cs-htitle-role {
  font-family: var(--fm); font-size: 10px; color: var(--ink-3);
  letter-spacing: .06em; white-space: nowrap; flex: none;
}
.cs-hstats {
  display: flex; align-items: center; gap: 14px; flex: none; margin-left: auto;
}
.cs-hstat {
  font-family: var(--fm); font-size: 10px; color: var(--ink-3); letter-spacing: .04em;
}
.cs-hstat strong { color: var(--ink); font-weight: 600; }

.cs-body { display: flex; flex: 1; overflow: hidden; }

/* ── Slack-elevated sidebar ── */
.cs-sidebar {
  width: 220px; flex: none; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; background: var(--panel);
  overflow-y: auto;
}
/* workspace header */
.cs-s-top {
  padding: 16px 14px 14px; border-bottom: 1px solid var(--line);
}
.cs-sw-row { display: flex; align-items: center; gap: 10px; }
.cs-sw-icon {
  width: 36px; height: 36px; border-radius: 9px; flex: none;
  background: var(--grad); display: flex; align-items: center;
  justify-content: center; font-size: 19px;
}
.cs-sw-name {
  font-family: var(--ff); font-size: 13px; font-weight: 700;
  color: var(--ink); letter-spacing: -.01em; line-height: 1.25;
}
.cs-sw-role { font-family: var(--fm); font-size: 9.5px; color: var(--ink-3); letter-spacing: .07em; margin-top: 2px; }

/* channel group */
.cs-chan-group { padding: 12px 8px 8px; flex: 1; }
.cs-chan-label {
  font-family: var(--fm); font-size: 9.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3);
  padding: 0 8px; margin-bottom: 6px;
}
.cs-navlink {
  display: flex; align-items: center; gap: 0;
  font-family: var(--ff); font-size: 13.5px;
  color: var(--ink-2); text-decoration: none; padding: 5px 8px;
  border-radius: 6px; transition: background .12s, color .12s;
  cursor: pointer;
}
.cs-navlink::before {
  content: '#'; font-family: var(--fm); font-size: 14px;
  color: var(--ink-3); margin-right: 7px; flex: none;
  line-height: 1; transition: color .12s;
}
.cs-navlink:hover { background: rgba(0,0,0,.05); color: var(--ink); }
.cs-navlink:hover::before { color: var(--ink-2); }
.cs-navlink.active {
  background: rgba(43,80,226,.09);
  color: #2B50E2; font-weight: 600;
}
.cs-navlink.active::before { color: #2B50E2; }

/* sidebar footer */
.cs-sidebar-foot { padding: 12px 14px; border-top: 1px solid var(--line); margin-top: auto; }
.cs-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.cs-chip {
  font-family: var(--fm); font-size: 9px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-3);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 20px; padding: 2px 8px;
}

/* ── main content ── */
.cs-main { flex: 1; overflow-y: auto; scroll-behavior: smooth; }

.cs-hero {
  padding: 44px 48px 40px;
  background: linear-gradient(140deg,
    rgba(232,154,92,.08) 0%, rgba(196,92,200,.06) 50%, rgba(43,80,226,.06) 100%);
  border-bottom: 1px solid var(--line);
}
.cs-hero-ico { font-size: 40px; margin-bottom: 16px; }
.cs-h1 {
  font-family: var(--ff); font-size: 26px; font-weight: 700;
  letter-spacing: -.03em; color: var(--ink); margin-bottom: 10px; line-height: 1.2;
}
.cs-tagline {
  font-family: var(--ff); font-size: 14px; color: var(--ink-2);
  line-height: 1.7; max-width: 520px;
}

.cs-sections { padding: 0 48px 60px; }
.cs-section { padding: 36px 0; border-bottom: 1px solid var(--line); }
.cs-section:last-child { border-bottom: none; }

/* Slack-style section header: emoji avatar + bold heading */
.cs-sec-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.cs-sec-ico {
  font-size: 20px; flex: none; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
}
.cs-sec-title {
  font-family: var(--ff); font-size: 16px; font-weight: 600;
  letter-spacing: -.01em; color: var(--ink); padding-top: 5px;
}
.cs-btext {
  font-family: var(--ff); font-size: 14px; line-height: 1.82;
  color: var(--ink-2); max-width: 540px; padding-left: 44px;
}

/* metrics */
.cs-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; padding-left: 44px; }
.cs-metric {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 16px; transition: transform .2s, box-shadow .2s;
}
.cs-metric:hover { transform: translateY(-2px); box-shadow: var(--sh-soft); }
.cs-mval {
  font-family: var(--ff); font-size: 24px; font-weight: 700;
  letter-spacing: -.03em; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 5px;
}
.cs-mlbl { font-family: var(--ff); font-size: 12px; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.cs-msub { font-family: var(--fm); font-size: 9px; color: var(--ink-3); letter-spacing: .05em; }

/* partner items */
.cs-items { display: flex; flex-direction: column; gap: 8px; padding-left: 44px; }
.cs-item {
  display: flex; align-items: baseline; gap: 18px; padding: 12px 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  transition: border-color .15s;
}
.cs-item:hover { border-color: var(--ink-3); }
.cs-iname {
  font-family: var(--ff); font-size: 13px; font-weight: 600;
  color: var(--ink); min-width: 100px; flex: none;
}
.cs-idesc { font-family: var(--ff); font-size: 13px; color: var(--ink-2); line-height: 1.5; }

@media (max-width: 520px) {
  .cs-metrics { grid-template-columns: 1fr; padding-left: 0; }
  .cs-items { padding-left: 0; flex-direction: column; }
  .cs-item { flex-direction: column; align-items: stretch; gap: 10px; padding: 12px 16px; }
  .cs-iname { min-width: auto; width: 100%; }
  .cs-idesc { padding-left: 0; }
}

@media (max-width: 600px) {
  .cs-items { display: flex; flex-direction: column; gap: 8px; padding-left: 0; }
  .cs-item { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
}


/* dark mode dock: same frosted white pill, resting icons dark, active icon white */
[data-theme="dark"] .dock-btn:not(.active){color:#38332C}
.dock-btn.active{background:rgba(0,0,0,.9) !important;color:#fff !important}

/* ── case study responsive ── */
@media (max-width:760px){
  .cs-overlay{border-radius:12px}
  .cs-sidebar{width:52px;flex:none;transition:width .28s cubic-bezier(.2,.8,.2,1);overflow:hidden}
  .cs-sidebar.cs-sb-open{width:120px}
  /* hide sidebar content when collapsed */
  .cs-s-top,.cs-chan-group,.cs-sidebar-foot{opacity:0;pointer-events:none;transition:opacity .2s}
  .cs-sb-open .cs-s-top,.cs-sb-open .cs-chan-group,.cs-sb-open .cs-sidebar-foot{opacity:1;pointer-events:all}
  /* toggle button */
  .cs-sb-toggle{display:flex;align-items:center;justify-content:center;
    width:52px;height:44px;flex:none;color:var(--ink-3);cursor:pointer;
    background:none;border:none;border-bottom:1px solid var(--line);transition:color .2s}
  .cs-sb-toggle:hover{color:var(--ink)}
  /* chevron rotates: points left (‹) when open, right (›) when collapsed */
  .cs-sb-toggle svg{transition:transform .25s cubic-bezier(.2,.8,.2,1)}
  .cs-sidebar:not(.cs-sb-open) .cs-sb-toggle svg{transform:rotate(180deg)}
  .cs-hero{padding:28px 20px 24px}
  .cs-h1{font-size:19px}
  .cs-tagline{font-size:11px}
  .cs-sections{padding:0 20px 48px}
  .cs-main{overflow-x:hidden}
  .cs-btext{padding-left:0;max-width:100%;font-size:13px}
  .cs-metrics{grid-template-columns:repeat(2,1fr);padding-left:0;gap:8px}
  .cs-mval{font-size:20px}
  .cs-mlbl{font-size:10.5px}
  .cs-items{padding-left:0}
  .cs-header{height:46px}
  .cs-htitle-name{font-size:12px}
  .cs-htitle-role{display:none}
  .cs-hstats{display:none}
}
/* sidebar toggle: hidden on desktop, shown on mobile via the media query above */

/* ===== envelope / about letter ===== */
.letter-section{
  padding:120px 0 80px; /* tall top so open flap doesn't clip into writing section */
}

.envelope{
  position:relative;
  max-width:600px;
  margin:0 auto;
  cursor:pointer;outline:none;
  perspective:1200px;
  transform-style:preserve-3d;
}

/* ── return address: in-flow, shares left edge with vellum ── */
.env-return-address{
  position:relative; /* in document flow */
  z-index:3;
  display:flex;flex-direction:column;gap:3px;
  pointer-events:none;
  margin-bottom:18px; /* space between return address and vellum */
}
.env-ra-name{
  font-family:var(--fm);font-size:10.5px;letter-spacing:.08em;
  color:var(--ink-2);font-weight:500;
  opacity:.68;line-height:1.5;
}
.env-ra-line{
  font-family:var(--fm);font-size:9.5px;letter-spacing:.06em;
  color:var(--label);
  opacity:.52;line-height:1.5;
}

/* ── decorative stamps ── */
.env-stamp{
  position:absolute;
  filter:invert(26%) sepia(93%) saturate(1400%) hue-rotate(210deg) brightness(88%) contrast(108%) opacity(0.42);
  pointer-events:none;
  z-index:2; /* below vellum z-index:5 so paper overlaps stamps artistically */
  user-select:none;
}
/* SF stamp — top-right, overlaps with top padding area */
.env-stamp-sf{
  width:130px;
  top:16px; right:18px;
  transform:rotate(7deg);
}
/* Lady Liberty — left-centre, peeks behind vellum */
.env-stamp-liberty{
  width:118px;
  top:44%; left:10px;
  transform:translateY(-50%) rotate(-9deg);
}
/* NYC — bottom-left */
.env-stamp-nyc{
  width:110px;
  bottom:18px; left:32px;
  transform:rotate(5deg);
}
/* St Louis — bottom-right */
.env-stamp-stlouis{
  width:122px;
  bottom:12px; right:16px;
  transform:rotate(-6deg);
}
/* Monument Valley — top area, right of return address, doubled size */
.env-stamp-monument{
  width:175px;
  top:50px; left:200px;
  transform:rotate(-4deg);
}

/* ── glass body — equal padding all sides ── */
.env-body{
  position:relative;
  background:linear-gradient(170deg,rgba(252,251,248,.82) 0%,rgba(246,244,240,.72) 100%);
  backdrop-filter:blur(32px) saturate(1.6);
  -webkit-backdrop-filter:blur(32px) saturate(1.6);
  border:1px solid rgba(210,205,195,.80);
  border-radius:16px;
  box-shadow:0 32px 80px rgba(40,30,15,.13),0 8px 24px rgba(40,30,15,.08),
    inset 0 1px 0 rgba(255,255,255,.90);
  padding:28px; /* equal on all four sides */
  min-height:320px;
  overflow:hidden;
}
[data-theme="dark"] .env-body{
  background:linear-gradient(170deg,rgba(30,39,55,.88) 0%,rgba(23,28,38,.80) 100%);
  border-color:rgba(255,255,255,.12);
  box-shadow:0 32px 80px rgba(0,0,0,.40),0 8px 24px rgba(0,0,0,.28),
    inset 0 1px 0 rgba(255,255,255,.10);
}

/* subtle diagonal fold lines */
.env-body::before,.env-body::after{
  content:'';position:absolute;top:0;width:50%;height:100%;pointer-events:none;z-index:1;
}
.env-body::before{left:0;background:linear-gradient(90deg,rgba(0,0,0,.025) 0%,transparent 25%);}
.env-body::after{right:0;background:linear-gradient(-90deg,rgba(0,0,0,.025) 0%,transparent 25%);}
[data-theme="dark"] .env-body::before{background:linear-gradient(90deg,rgba(0,0,0,.10) 0%,transparent 25%);}
[data-theme="dark"] .env-body::after{background:linear-gradient(-90deg,rgba(0,0,0,.10) 0%,transparent 25%);}

/* ── vellum sheet — fills the body's content area completely ── */
.env-vellum{
  position:relative;z-index:5; /* above stamps z-index:2 */
  background:rgba(255,255,255,.95);
  border-radius:10px;
  padding:24px 26px 26px;
  box-shadow:0 2px 16px rgba(0,0,0,.07),0 1px 3px rgba(0,0,0,.04);
  transform:translateY(0) translateZ(0);
  transition:transform .7s cubic-bezier(.25,.46,.45,.94) .15s,
             opacity .5s ease .15s;
  opacity:.99;
}
[data-theme="dark"] .env-vellum{
  background:rgba(36,46,62,.96);
  box-shadow:0 2px 16px rgba(0,0,0,.30),0 1px 3px rgba(0,0,0,.20);
}

/* ── letter content ── */
.env-letter-content{
  font-family:var(--fh);
  font-size:17px;
  line-height:1.72;
  color:var(--ink-2);
}

/* p1: sender — name + detail (Fahim Gbon / Vancouverite · Foodie) */
.env-letter-content p:first-child{
  font-family:var(--fm);
  font-size:11px;
  font-weight:400;
  letter-spacing:.06em;
  line-height:1.7;
  color:var(--ink-2);
  opacity:.65;
  margin-bottom:20px;
  padding-bottom:16px;
  border-bottom:1px solid rgba(0,0,0,.07);
}
[data-theme="dark"] .env-letter-content p:first-child{
  border-bottom-color:rgba(255,255,255,.08);
}

/* p2: PERSPECTIVE heading */
.env-letter-content p:nth-child(2){
  font-family:var(--ff);
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  line-height:1.2;
  color:var(--ink);
  margin-bottom:5px;
  transition:color .45s ease;
}

/* p3: echo watermark */
.env-letter-content p:nth-child(3){
  font-family:var(--fm);
  font-size:9.5px;
  font-weight:400;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--label);
  opacity:.65;
  margin-bottom:16px;
  transition:opacity .45s ease .2s;
}

/* p4+: body text */
.env-letter-content p{ margin-bottom:14px }
.env-letter-content p:last-child{ margin-bottom:0 }

/* open: heading deepens, echo fades */
.envelope:hover .env-letter-content p:nth-child(2),
.envelope.open  .env-letter-content p:nth-child(2){ color:#1A1814; }
[data-theme="dark"] .envelope:hover .env-letter-content p:nth-child(2),
[data-theme="dark"] .envelope.open  .env-letter-content p:nth-child(2){ color:#E8EEFF; }
.envelope:hover .env-letter-content p:nth-child(3),
.envelope.open  .env-letter-content p:nth-child(3){ opacity:.20; }

/* ── flap ──
   Uses an SVG clipPath (defined inline in the HTML) so all corners
   can be uniformly rounded to 16px — matching the body border-radius.
   The SVG path is defined on a 600×300 viewBox and scaled via
   clipPathUnits="objectBoundingBox" with a normalised path.
── */
/* The flap is a two-faced 3D card: outer paper (::before) and a stationery
   liner (::after) that is only revealed once the fold passes 90° — like fine
   letterpress stationery. clip-path lives on the faces, not the parent,
   because clip-path on the parent would flatten the 3D context. */
.env-flap{
  position:absolute;
  top:0;left:0;right:0;
  height:48%;
  transform-origin:50% 0%;
  transform-style:preserve-3d;
  /* springy fold — slight overshoot then settle, starts after the seal turns */
  transition:transform .62s cubic-bezier(.3,1.14,.36,1) .09s;
  will-change:transform;
  z-index:6;
}
/* outer face */
.env-flap::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(175deg,rgba(249,247,243,.97) 0%,rgba(243,241,237,.95) 100%);
  clip-path:url(#envFlapClip);
  backface-visibility:hidden;
}
/* liner face — gradient-tinted paper with a faint diamond watermark */
.env-flap::after{
  content:'';position:absolute;inset:0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l8 10-8 10-8-10z' fill='none' stroke='%232B50E2' stroke-width='0.8' opacity='0.18'/%3E%3C/svg%3E") center 30%/54px no-repeat,
    linear-gradient(160deg,rgba(43,80,226,.12) 0%,rgba(196,92,200,.10) 55%,rgba(232,154,92,.08) 100%),
    linear-gradient(175deg,#F7F4EF 0%,#EFEBE4 100%);
  clip-path:url(#envFlapClip);
  transform:rotateX(180deg);
  backface-visibility:hidden;
}
[data-theme="dark"] .env-flap::before{
  background:linear-gradient(175deg,rgba(28,36,52,.97) 0%,rgba(23,28,38,.95) 100%);
}
[data-theme="dark"] .env-flap::after{
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l8 10-8 10-8-10z' fill='none' stroke='%236F8BFF' stroke-width='0.8' opacity='0.28'/%3E%3C/svg%3E") center 30%/54px no-repeat,
    linear-gradient(160deg,rgba(43,80,226,.30) 0%,rgba(196,92,200,.18) 55%,rgba(232,154,92,.10) 100%),
    linear-gradient(175deg,#222D44 0%,#1A2233 100%);
}
/* inner-edge line retired — the liner face now carries the colour reveal */
.env-flap-inner-edge{display:none}

/* ── seal: straddles the very top edge of the env-body ── */
.env-seal-top{
  position:absolute;
  /* sit at the top of env-body, seal centre at the body's top border */
  top:-26px; /* half the seal height above the body top */
  left:50%;
  transform:translate(-50%, 0);
  z-index:10;
  will-change:transform;
  transition:transform .55s cubic-bezier(.3,1.2,.4,1) .12s; /* rises as the flap clears */
}

.env-seal{
  width:56px;height:52px;
  display:flex;align-items:center;justify-content:center;
  position:relative;
  will-change:transform;
  /* the key turn — first mover in the choreography, springs past then settles */
  transition:transform .5s cubic-bezier(.34,1.4,.44,1);
}
/* cobalt light bloom — its own layer, animated on transform/opacity only */
.env-seal::before{
  content:'';position:absolute;inset:-16px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,80,226,.50) 0%,rgba(43,80,226,.20) 45%,transparent 72%);
  opacity:0;transform:scale(.55);
  z-index:-1;pointer-events:none;
}
.seal-icon{
  width:56px;height:52px;
  /* static shadow — never transitioned (filter transitions repaint every frame) */
  filter:drop-shadow(0 4px 14px rgba(43,80,226,.50))
         drop-shadow(0 1px 4px rgba(43,80,226,.25));
}
[data-theme="dark"] .seal-icon{
  filter:drop-shadow(0 4px 18px rgba(43,80,226,.70))
         drop-shadow(0 1px 5px rgba(43,80,226,.40));
}

/* ── desk-light bloom behind the paper ── */
.env-glow{
  position:absolute;inset:-70px -90px;z-index:0;pointer-events:none;
  background:radial-gradient(55% 50% at 50% 42%,
    rgba(43,80,226,.15) 0%,rgba(196,92,200,.10) 42%,transparent 72%);
  opacity:0;transform:scale(.85);
  transition:opacity .8s ease .12s,transform 1s cubic-bezier(.2,.8,.2,1) .12s;
  will-change:opacity,transform;
}
[data-theme="dark"] .env-glow{
  background:radial-gradient(55% 50% at 50% 42%,
    rgba(43,80,226,.30) 0%,rgba(196,92,200,.16) 42%,transparent 72%);
}

/* ── ink-in: body paragraphs sit faint until the letter opens, then
   materialise one after another — like ink settling on the page ── */
.env-letter-content p:nth-child(n+4){
  opacity:.40;transform:translateY(4px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.8,.2,1);
}
.env-letter-content p:nth-child(4){transition-delay:.20s}
.env-letter-content p:nth-child(5){transition-delay:.29s}
.env-letter-content p:nth-child(6){transition-delay:.38s}
.env-letter-content p:nth-child(7){transition-delay:.47s}
.env-letter-content p:nth-child(8){transition-delay:.56s}
.env-letter-content p:nth-child(n+9){transition-delay:.64s}

/* ── hover / open choreography ──
   t=0     seal turns (the key unlocks)
   t=90ms  flap springs open, liner revealed past 90°
   t=120ms seal rises with the clearing flap · glow blooms
   t=180ms vellum presents itself
   t=200ms+ paragraphs ink in, one by one                                  */
.envelope:hover .env-flap,
.envelope.open  .env-flap{
  transform:rotateX(-160deg);
}
.envelope:hover .env-vellum,
.envelope.open  .env-vellum{
  transform:translateY(10px) translateZ(0);
  opacity:1;
}
.envelope:hover .env-seal-top,
.envelope.open  .env-seal-top{
  transform:translate(-50%, -18px);
}
.envelope:hover .env-seal,
.envelope.open  .env-seal{
  transform:rotate(90deg);
}
.envelope:hover .env-seal::before,
.envelope.open  .env-seal::before{
  animation:sealGlow .85s cubic-bezier(.4,0,.2,1) .05s forwards;
}
.envelope:hover .env-glow,
.envelope.open  .env-glow{
  opacity:1;transform:scale(1);
}
.envelope:hover .env-letter-content p:nth-child(n+4),
.envelope.open  .env-letter-content p:nth-child(n+4){
  opacity:1;transform:none;
}

/* When user has manually clicked closed, suppress :hover so it can't fight the state */
.envelope.locked:not(.open):hover .env-flap    { transform:none; }
.envelope.locked:not(.open):hover .env-vellum  { transform:none; opacity:.85; }
.envelope.locked:not(.open):hover .env-seal-top{ transform:translate(-50%, 0); }
.envelope.locked:not(.open):hover .env-seal    { transform:none; }
.envelope.locked:not(.open):hover .env-seal::before{ animation:none; }
.envelope.locked:not(.open):hover .env-glow    { opacity:0; transform:scale(.85); }
.envelope.locked:not(.open):hover .env-letter-content p:nth-child(n+4){ opacity:.40; transform:translateY(4px); }

/* transform/opacity only — fully GPU-composited pulse */
@keyframes sealGlow{
  0%  {opacity:0;transform:scale(.5)}
  45% {opacity:1;transform:scale(1.3)}
  100%{opacity:.5;transform:scale(1)}
}

.envelope:focus-visible .env-flap{transform:rotateX(-160deg)}
.envelope:focus-visible .env-vellum{transform:translateY(10px)}
.envelope:focus-visible .env-seal{transform:rotate(90deg)}
.envelope:focus-visible .env-glow{opacity:1;transform:scale(1)}
.envelope:focus-visible .env-letter-content p:nth-child(n+4){opacity:1;transform:none}

/* ── mobile ── */
@media(max-width:760px){
  .letter-section{padding:80px 0 56px}
  .env-body{padding:22px 20px 40px}
  .env-vellum{padding:18px 20px}
  .env-letter-content{font-size:15px}
  .envelope:hover .env-vellum,
  .envelope.open  .env-vellum{transform:translateY(5px) translateZ(0)}
  .env-stamp-sf     {width:88px;top:14px;right:10px}
  .env-stamp-liberty{width:78px;left:6px}
  .env-stamp-nyc    {width:74px;bottom:14px;left:18px}
  .env-stamp-stlouis{width:82px;bottom:10px;right:8px}
  .env-stamp-monument{width:130px;top:10px;left:140px}
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .empty,.status .conn .d{animation:none}
  .card{transition:none}
  /* envelope: no choreography, letter fully legible */
  .env-flap,.env-vellum,.env-seal,.env-seal-top,.env-glow,
  .env-letter-content p{transition:none!important;animation:none!important}
  .env-letter-content p:nth-child(n+4){opacity:1;transform:none}
}