:root{
  --amber-gold:#ffbe0b;
  --blaze-orange:#fb5607;
  --neon-pink:#ff006e;
  --blue-violet:#8338ec;
  --azure-blue:#3a86ff;
  --azure-deep:#1f63d7;
  --bg:#f6f9ff;
  --surface:#ffffff;
  --surface-soft:#eef5ff;
  --surface-warm:#fffaf0;
  --text:#152033;
  --muted:#5d6a80;
  --border:#dbe6f5;
  --block:#142033;
  --success:#148657;
  --danger:#c53f4c;
  --success-soft:#e9f8f1;
  --danger-soft:#fff0f2;
  --shadow:0 12px 32px rgba(37,72,130,.10);
  --shadow-soft:0 6px 18px rgba(37,72,130,.07);
  --radius:20px;
}
[data-theme="dark"]{
  --bg:#0e1420;
  --surface:#161e2d;
  --surface-soft:#1e2b43;
  --surface-warm:#2a2417;
  --text:#f2f5fb;
  --muted:#b0bbcd;
  --border:#2d3b52;
  --block:#070a11;
  --success:#58d99a;
  --danger:#ff7f8c;
  --success-soft:#173b2e;
  --danger-soft:#43232a;
  --shadow:0 12px 32px rgba(0,0,0,.24);
  --shadow-soft:0 6px 18px rgba(0,0,0,.18);
}

*{box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
body{font-size:16px;line-height:1.55}
a{text-decoration:none;color:inherit}
button,input{font:inherit}
button{touch-action:manipulation}
button,a{ -webkit-tap-highlight-color:transparent }
.shell{max-width:1180px;margin:auto;padding:16px}

/* Header */
header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding:4px 0}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{width:52px;height:52px;border-radius:14px;object-fit:cover;box-shadow:0 6px 18px rgba(58,134,255,.18);flex:0 0 auto}
.brand-copy{min-width:0}
.brand-copy strong{display:block;font-size:20px;line-height:1.15;letter-spacing:-.02em;color:var(--text)}
.brand-copy span{display:block;font-size:16px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-actions{display:flex;align-items:center;gap:8px}
.header-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:9px 13px;border-radius:12px;font-size:16px;font-weight:750;color:var(--azure-blue);background:var(--surface-soft);border:1px solid transparent}
.icon{width:46px;height:46px;border:1px solid var(--border);border-radius:13px;background:var(--surface);color:var(--text);cursor:pointer;font-size:20px;box-shadow:var(--shadow-soft)}
.icon:focus-visible,.btn:focus-visible,.filter:focus-visible,.tab:focus-visible,.star:focus-visible,.play:focus-visible,.header-link:focus-visible,.feedback-control:focus-within{outline:3px solid color-mix(in srgb,var(--azure-blue) 35%,transparent);outline-offset:2px}

/* Homepage hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,color-mix(in srgb,var(--azure-blue) 14%,var(--surface)) 0%,var(--surface) 55%,color-mix(in srgb,var(--blue-violet) 7%,var(--surface)) 100%);border:1px solid var(--border);border-radius:28px;padding:clamp(24px,5vw,48px);margin-bottom:16px;box-shadow:var(--shadow-soft)}
.hero::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-100px;top:-120px;background:color-mix(in srgb,var(--amber-gold) 18%,transparent);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:28px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:900;color:var(--azure-blue);text-transform:uppercase;letter-spacing:.07em}
.kicker-dot{width:9px;height:9px;border-radius:50%;background:var(--neon-pink);box-shadow:0 0 0 5px color-mix(in srgb,var(--neon-pink) 12%,transparent)}
.hero h1{font-size:clamp(34px,6vw,60px);line-height:1.02;margin:10px 0 14px;letter-spacing:-.045em;max-width:780px}
.hero p{max-width:760px;color:var(--muted);margin:0;font-size:18px}
.hero-actions,.filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.hero-side{background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:var(--shadow-soft);backdrop-filter:blur(8px)}
.hero-side h2{margin:0 0 12px;font-size:22px;letter-spacing:-.02em}
.hero-points{display:grid;gap:10px}
.hero-point{display:flex;align-items:flex-start;gap:10px;font-size:16px;color:var(--muted)}
.hero-point i{width:26px;height:26px;border-radius:9px;background:var(--surface-soft);display:grid;place-items:center;font-style:normal;color:var(--azure-blue);font-weight:900;flex:0 0 auto}

.btn,.filter{min-height:46px;border:1px solid var(--border);border-radius:13px;background:var(--surface);color:var(--text);padding:10px 16px;font-size:16px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .15s ease,border-color .15s ease,background .15s ease}
.btn.primary,.filter.active{background:var(--azure-blue);border-color:var(--azure-blue);color:#fff}
.btn.gold{background:var(--amber-gold);border-color:var(--amber-gold);color:#152033}
.btn.violet{background:var(--blue-violet);border-color:var(--blue-violet);color:#fff}
.btn.orange{background:var(--blaze-orange);border-color:var(--blaze-orange);color:#fff}
.btn:hover,.filter:hover{transform:translateY(-1px)}
.btn:active,.filter:active{transform:translateY(0)}

.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 18px}
.feature-item{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:15px;box-shadow:var(--shadow-soft)}
.feature-item b{display:block;font-size:18px;margin-bottom:2px}
.feature-item span{display:block;font-size:16px;color:var(--muted)}
.feature-item:nth-child(1){border-top:3px solid var(--azure-blue)}
.feature-item:nth-child(2){border-top:3px solid var(--amber-gold)}
.feature-item:nth-child(3){border-top:3px solid var(--blue-violet)}
.feature-item:nth-child(4){border-top:3px solid var(--neon-pink)}

.section-head{display:flex;justify-content:space-between;gap:14px;align-items:end;margin:24px 0 10px}
.section-head h2{margin:0;font-size:26px;letter-spacing:-.025em}
.section-head span{font-size:16px;color:var(--muted)}
.filter-wrap{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:12px 14px;margin-bottom:14px;box-shadow:var(--shadow-soft)}
.filters{margin:0}
.filter{padding:9px 14px;border-radius:999px;color:var(--muted);box-shadow:none}

.grid-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.puzzle-card{padding:18px;display:flex;flex-direction:column;min-height:220px;position:relative;overflow:hidden;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.puzzle-card::after{content:"";position:absolute;width:100px;height:100px;border-radius:50%;right:-45px;bottom:-45px;background:color-mix(in srgb,var(--azure-blue) 7%,transparent);pointer-events:none}
.puzzle-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--azure-blue) 35%,var(--border));box-shadow:0 16px 38px rgba(37,72,130,.13)}
.card-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.puzzle-number{width:44px;height:44px;border-radius:14px;background:var(--surface-soft);color:var(--azure-blue);font-weight:900;display:grid;place-items:center;font-size:17px;margin-bottom:14px}
.puzzle-card h3{margin:0;font-size:20px;letter-spacing:-.02em}
.puzzle-card p{color:var(--muted);font-size:16px;margin:7px 0}
.card-status{display:inline-flex;align-items:center;gap:7px;font-size:16px;font-weight:750;color:var(--muted);margin-top:8px;margin-bottom:18px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--border)}
.card-status.continue{color:var(--blue-violet)}.card-status.continue .status-dot{background:var(--blue-violet)}
.card-status.complete{color:var(--success)}.card-status.complete .status-dot{background:var(--success)}
.play{
  margin-top:auto;
  min-height:48px;
  width:100%;
  padding:11px 16px;
  border-radius:13px;
  background:linear-gradient(135deg,var(--azure-deep),color-mix(in srgb,var(--azure-deep) 84%,var(--blue-violet)));
  color:#fff;
  font-weight:750;
  font-size:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  position:relative;
  z-index:1;
  border:1px solid var(--azure-deep);
  box-shadow:0 7px 18px rgba(58,134,255,.20);
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;
}
.play::after{
  content:"›";
  font-size:23px;
  line-height:1;
  font-weight:750;
  transform:translateY(-1px);
}
.play:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(58,134,255,.28);
  filter:saturate(1.05);
}
.play:active{
  transform:translateY(0);
  box-shadow:0 5px 12px rgba(58,134,255,.18);
}
.badge{font-size:16px;font-weight:900;border:1px solid var(--border);border-radius:999px;padding:7px 11px;height:max-content;background:var(--surface)}
.easy{color:var(--azure-blue)}.medium{color:var(--blaze-orange)}.hard{color:var(--neon-pink)}
.category-chip{display:inline-flex;width:max-content;max-width:100%;font-size:16px;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:5px 9px;margin-top:10px}

/* Puzzle page */
.puzzle-intro{background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--azure-blue) 8%,var(--surface)));border:1px solid var(--border);border-radius:20px;padding:18px 20px;margin-bottom:12px;box-shadow:var(--shadow-soft)}
.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:16px;color:var(--muted);margin-bottom:8px}
.breadcrumb a{color:var(--azure-blue);font-weight:750}
.meta{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin:0}
.meta h1{margin:0;font-size:clamp(28px,4vw,38px);letter-spacing:-.035em;line-height:1.1}
.meta p{margin:7px 0 0;color:var(--muted);font-size:17px}
.puzzle-tip{margin-top:14px;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:16px}
.puzzle-tip i{font-style:normal;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--surface-soft);color:var(--azure-blue);font-weight:900;flex:0 0 auto}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:12px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:12px 10px;text-align:center;box-shadow:var(--shadow-soft)}
.stat b{display:block;font-size:20px;letter-spacing:-.02em}
.stat span{font-size:16px;color:var(--muted);font-weight:700}
.stat:nth-child(1){border-top:3px solid var(--azure-blue)}
.stat:nth-child(2){border-top:3px solid var(--amber-gold)}
.stat:nth-child(3){border-top:3px solid var(--blue-violet)}
.stat:nth-child(4){border-top:3px solid var(--neon-pink)}

.layout{display:grid;grid-template-columns:minmax(0,650px) minmax(300px,1fr);gap:14px;align-items:start}
.board-card{padding:12px}
.board-wrap{
  border-radius:12px;
  overflow:hidden;
  background:var(--block);
  display:flex;
  justify-content:center;
  align-items:center;
  width:100%;
}
.board{
  display:grid;
  gap:2px;
  background:var(--block);
  border:2px solid var(--block);
  width:100%;
  margin:0 auto;
  user-select:none;
  border-radius:0;
  overflow:hidden
}
.cell{position:relative;background:var(--surface);min-width:0}
.cell.block{background:var(--block)}
.cell input{position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;color:var(--text);text-align:center;text-transform:uppercase;font-weight:900;font-size:clamp(18px,4vw,26px);outline:0;padding:11px 1px 1px;caret-color:transparent}
.cell .num{position:absolute;top:2px;left:3px;z-index:2;font-size:clamp(10px,1.1vw,13px);line-height:1;font-weight:750;color:var(--azure-blue);pointer-events:none}
.cell.active-word{background:color-mix(in srgb,var(--azure-blue) 13%,var(--surface))}
.cell.selected{box-shadow:inset 0 0 0 3px var(--azure-blue);z-index:3}
.cell.correct{background:var(--success-soft)}
.cell.wrong{background:var(--danger-soft)}
.cell.wrong input{color:var(--danger)}
.cell.revealed input{color:var(--blue-violet)}
.progress{height:9px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:12px}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--azure-blue),var(--blue-violet));transition:.2s}
.current{margin-top:12px;border:1px solid var(--border);border-radius:14px;padding:13px 14px;background:var(--bg);min-height:60px;display:flex;align-items:flex-start;gap:7px}
.current b{font-size:16px;color:var(--azure-blue);white-space:nowrap}
.current span{font-size:17px}
.controls{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.controls .btn{font-size:16px;padding:10px 8px}

.clues{padding:16px}
.clue-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.clue-head h2{font-size:22px;margin:0;letter-spacing:-.02em}
.feedback-control{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}
.feedback-label{font-size:16px;color:var(--muted);font-weight:750}
.feedback-toggle{position:relative;width:92px;height:42px;display:inline-block;flex:0 0 auto}
.feedback-toggle input{position:absolute;opacity:0;width:1px;height:1px}
.feedback-slider{position:absolute;inset:0;border-radius:999px;background:var(--border);border:1px solid var(--border);transition:.2s;box-shadow:inset 0 1px 2px rgba(0,0,0,.05)}
.feedback-slider::before{content:"";position:absolute;left:4px;top:4px;width:32px;height:32px;border-radius:50%;background:#fff;box-shadow:0 2px 7px rgba(0,0,0,.18);transition:.2s}
.feedback-slider::after{content:"OFF";position:absolute;right:11px;top:50%;transform:translateY(-50%);font-size:16px;font-weight:900;color:var(--muted);transition:.2s}
.feedback-toggle input:checked + .feedback-slider{background:var(--azure-blue);border-color:var(--azure-blue)}
.feedback-toggle input:checked + .feedback-slider::before{left:54px}
.feedback-toggle input:checked + .feedback-slider::after{content:"ON";left:14px;right:auto;color:#fff}
.tabs{display:flex;gap:8px;margin:14px 0 10px}
.tab{flex:1;min-height:46px;border:1px solid var(--border);background:var(--bg);color:var(--muted);padding:9px;border-radius:12px;font-size:16px;font-weight:900;cursor:pointer}
.tab.active{background:var(--surface-soft);color:var(--azure-blue);border-color:color-mix(in srgb,var(--azure-blue) 25%,var(--border))}
.clue-list{display:none;max-height:530px;overflow:auto;padding-right:2px}
.clue-list.active{display:block}
.clue{display:flex;gap:10px;padding:11px 9px;border-radius:12px;cursor:pointer;border:1px solid transparent;background:transparent;color:inherit;text-align:left;width:100%;font:inherit}
.clue:hover{background:var(--surface-soft)}
.clue.active{background:var(--surface-soft);border-color:color-mix(in srgb,var(--azure-blue) 18%,var(--border))}
.clue.solved{color:var(--muted)}
.clue.solved .ct{text-decoration:line-through}
.cn{width:38px;flex:0 0 38px;color:var(--azure-blue);font-weight:750;font-size:18px;line-height:1.35}
.ct{font-size:16px;line-height:1.45}
.len{display:block;color:var(--muted);font-size:16px;margin-top:3px}

.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;margin-top:14px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:10px;box-shadow:var(--shadow-soft)}
.nav .btn:first-child{justify-self:start}.nav .btn:last-child{justify-self:end}
.nav span{font-size:16px;color:var(--muted);font-weight:750}

.rating{margin-top:14px;padding:18px}
.rating h2{margin:0;font-size:24px;letter-spacing:-.02em}
.rating>p{margin:4px 0 0;color:var(--muted);font-size:16px}
.rating-grid{display:grid;grid-template-columns:240px 1fr;gap:22px;margin-top:16px;align-items:center}
.summary{text-align:center}
.avg{font-size:48px;font-weight:950;color:var(--azure-blue);letter-spacing:-.06em;line-height:1}
.count{font-size:16px;color:var(--muted);margin-top:6px}
.stars{display:flex;justify-content:center;gap:4px;margin-top:9px;flex-wrap:wrap}
.star{border:0;background:transparent;font-size:34px;line-height:1;color:#c7cfdb;padding:3px;cursor:pointer}
.star.active,.star.hover{color:var(--amber-gold)}
.bars{display:grid;gap:8px}
.barrow{display:grid;grid-template-columns:36px 1fr 44px;gap:9px;align-items:center;font-size:16px;color:var(--muted)}
.track{height:9px;border-radius:999px;background:var(--border);overflow:hidden}
.fill{height:100%;width:0;background:linear-gradient(90deg,var(--amber-gold),var(--blaze-orange))}
.rating-status{text-align:center;min-height:24px;margin-top:8px;font-size:16px;color:var(--muted)}

.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,18px);background:var(--text);color:var(--surface);padding:11px 16px;border-radius:999px;font-weight:750;font-size:16px;opacity:0;pointer-events:none;transition:.2s;z-index:40;max-width:min(92vw,540px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.48);display:none;align-items:center;justify-content:center;padding:18px;z-index:50}
.modal.show{display:flex}
.modal-box{width:min(92vw,420px);background:var(--surface);border-radius:22px;padding:24px;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.28)}
.modal-box h2{margin:0 0 8px;font-size:28px}.modal-box p{color:var(--muted);font-size:16px}
.result{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}
.result div{background:var(--bg);padding:12px;border-radius:12px}.result b{display:block;font-size:20px}.result span{font-size:16px;color:var(--muted)}
.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.confetti{position:fixed;top:-15px;width:9px;height:14px;border-radius:2px;z-index:60;animation:fall 1.8s linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(780deg);opacity:.85}}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}.hero-side{max-width:650px}
  .layout{grid-template-columns:1fr}.controls{grid-template-columns:repeat(2,1fr)}
  .rating-grid{grid-template-columns:1fr}.grid-list{grid-template-columns:repeat(2,1fr)}
  .clue-list{max-height:none}.feature-strip{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .shell{padding:10px}
  header{align-items:center}.brand-logo{width:46px;height:46px}.brand-copy strong{font-size:18px}.brand-copy span{display:none}
  .header-link{display:none}
  .hero{border-radius:20px;padding:22px 18px}.hero h1{font-size:36px}.hero p{font-size:17px}
  .feature-strip{grid-template-columns:1fr 1fr}.feature-item{padding:13px}.feature-item b{font-size:17px}
  .grid-list{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}
  .meta{align-items:flex-start}.meta h1{font-size:30px}.puzzle-intro{padding:16px}
  .stats{gap:6px}.stat{padding:10px 6px}.stat b{font-size:18px}.stat span{font-size:16px}
  .board-card{padding:8px}.current{display:block}.current b{display:block;margin-bottom:3px}
  .clues{padding:13px}.clue-head{align-items:flex-start}.feedback-control{width:100%;justify-content:space-between;background:var(--bg);padding:8px 10px;border-radius:13px;border:1px solid var(--border)}
  .nav{grid-template-columns:1fr 1fr}.nav span{grid-column:1/-1;grid-row:1;text-align:center}.nav .btn{width:100%}
  .rating{padding:15px}.star{font-size:32px}
  .modal-actions{grid-template-columns:1fr}
}
@media(max-width:390px){
  .brand-copy strong{font-size:17px}.brand-logo{width:44px;height:44px}
  .hero h1{font-size:32px}.feature-strip{grid-template-columns:1fr}
  .controls{grid-template-columns:1fr 1fr}.controls .btn{padding:9px 5px}
  .stat b{font-size:17px}
}

/* V4 SEO-friendly visible content */
.seo-copy{
  margin:22px 0 0;
  padding:20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:18px;
}
.seo-copy h2{margin:0 0 8px;font-size:24px;letter-spacing:-.02em}
.seo-copy p{margin:0;color:var(--muted);font-size:16px;line-height:1.72}
.related-section{margin-top:18px}
.related-section h2{margin:0 0 10px;font-size:24px;letter-spacing:-.02em}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.related-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  min-height:145px;
  padding:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
}
.related-card strong{font-size:18px}
.related-card span{color:var(--muted);font-size:16px}
.related-card a{margin-top:auto;color:var(--azure-blue);font-weight:750;font-size:16px}
@media(max-width:820px){.related-grid{grid-template-columns:1fr}}


/* V5 About + Footer refinements */
.about-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:18px;
  align-items:start;
  margin:24px 0 0;
  padding:24px;
  background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--azure-blue) 7%,var(--surface)) 58%,color-mix(in srgb,var(--blue-violet) 5%,var(--surface)));
  border:1px solid color-mix(in srgb,var(--azure-blue) 16%,var(--border));
  border-radius:22px;
  box-shadow:var(--shadow-soft);
}
.about-card::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-70px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:color-mix(in srgb,var(--azure-blue) 7%,transparent);
  pointer-events:none;
}
.about-mark{
  width:64px;
  height:64px;
  display:grid;
  place-items:center;
  border-radius:18px;
  background:linear-gradient(145deg,var(--azure-blue),var(--blue-violet));
  color:#fff;
  font-size:18px;
  font-weight:750;
  letter-spacing:.02em;
  box-shadow:0 9px 22px rgba(58,134,255,.2);
  position:relative;
  z-index:1;
}
.about-body{position:relative;z-index:1;min-width:0}
.about-eyebrow{display:block;color:var(--azure-blue);font-size:16px;font-weight:750;letter-spacing:.075em;margin-bottom:5px}
.about-card h2{margin:0 0 8px;font-size:clamp(24px,3vw,30px);letter-spacing:-.025em;line-height:1.15}
.about-card p{margin:0;color:var(--muted);font-size:16px;line-height:1.72;max-width:850px}
.about-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.about-facts span{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:7px 11px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text);
  font-size:16px;
  font-weight:750;
}
.about-facts span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--azure-blue);margin-right:7px;flex:0 0 auto}
.about-facts span:nth-child(2)::before{background:var(--amber-gold)}
.about-facts span:nth-child(3)::before{background:var(--blue-violet)}
.about-facts span:nth-child(4)::before{background:var(--neon-pink)}

.site-footer{
  margin-top:24px;
  border:1px solid var(--border);
  border-radius:20px 20px 0 0;
  background:var(--surface);
  overflow:hidden;
}
.footer-main{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px}
.footer-brand{display:flex;flex-direction:column;line-height:1.2}
.footer-brand strong{font-size:19px;color:var(--text);font-weight:750}
.footer-brand span{font-size:16px;color:var(--muted);margin-top:3px}
.footer-links{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.footer-links a{
  min-height:40px;
  display:inline-flex;
  align-items:center;
  padding:8px 11px;
  border-radius:11px;
  color:var(--muted);
  font-size:16px;
  font-weight:750;
  transition:background .16s ease,color .16s ease;
}
.footer-links a:hover{background:var(--surface-soft);color:var(--azure-blue)}
.footer-bottom{padding:13px 22px;border-top:1px solid var(--border);background:var(--bg);color:var(--muted);font-size:16px;text-align:center}

@media(max-width:620px){
  .about-card{grid-template-columns:1fr;padding:19px;gap:13px}
  .about-mark{width:54px;height:54px;border-radius:15px}
  .footer-main{align-items:flex-start;flex-direction:column;padding:18px}
  .footer-links{justify-content:flex-start;width:100%}
  .footer-links a{background:var(--bg);border:1px solid var(--border)}
  .footer-bottom{padding:13px 18px;text-align:left}
}


/* V13 R3 sharing tools */
.share-card{
  margin-top:14px;
  padding:20px;
  background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--azure-blue) 7%,var(--surface)) 60%,color-mix(in srgb,var(--blue-violet) 5%,var(--surface)));
  border:1px solid color-mix(in srgb,var(--azure-blue) 16%,var(--border));
  box-shadow:var(--shadow-soft);
}
.share-head h2{margin:2px 0 6px;font-size:24px;letter-spacing:-.02em}
.share-head p{margin:0;color:var(--muted);font-size:16px;line-height:1.68;max-width:860px}
.share-actions{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin-top:16px;
}
.share-actions .btn{width:100%;min-height:48px}
.share-note{
  margin:12px 0 0;
  padding:12px 14px;
  border-radius:14px;
  background:var(--bg);
  border:1px solid var(--border);
  color:var(--muted);
  font-size:16px;
}
.modal-actions{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px
}
@media(max-width:900px){
  .share-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .share-card{padding:16px}
  .share-actions{grid-template-columns:1fr 1fr}
}
@media(max-width:420px){
  .share-actions{grid-template-columns:1fr}
}


/* V13 R5 share-card options */
.share-group + .share-group{margin-top:16px}
.share-group h3{
  margin:0 0 10px;
  font-size:18px;
  font-weight:750;
  color:var(--text)
}
.share-actions{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
}
.share-actions .btn{width:100%;min-height:50px}
.share-actions-links{grid-template-columns:repeat(4,minmax(0,1fr))}
.share-note{
  margin-top:14px;
  line-height:1.6
}
@media(max-width:960px){
  .share-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .share-actions-links{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:520px){
  .share-actions,.share-actions-links{grid-template-columns:1fr}
}


/* V13 R6 share-image controls */
.share-card .btn[disabled]{
  opacity:.55;
  cursor:not-allowed;
  filter:saturate(.65);
  box-shadow:none;
}
.share-card .btn[disabled]:hover{
  transform:none;
}
.share-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:color-mix(in srgb,var(--amber-gold) 10%, white);
  border:1px solid color-mix(in srgb,var(--amber-gold) 35%, var(--border));
  color:var(--text);
  font-size:14px;
  font-weight:750;
  margin-top:8px;
}
.share-status.ready{
  background:color-mix(in srgb,#18b35a 10%, white);
  border-color:color-mix(in srgb,#18b35a 35%, var(--border));
}