/* ============================================================
   EIGEN · sections.css
   Per-section layout, in order of appearance on the landing page.
   ============================================================ */

/* ============ HERO ============ */
#hero{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding-top:140px;
  background:
    radial-gradient(1100px 600px at 78% 18%,rgba(163,75,181,.14),transparent 65%),
    radial-gradient(800px 500px at 12% 88%,rgba(54,9,61,.10),transparent 60%),
    var(--paper);
}
html[data-theme="dark"] #hero{
  background:
    radial-gradient(1100px 600px at 78% 18%,rgba(199,125,255,.15),transparent 65%),
    radial-gradient(800px 500px at 12% 88%,rgba(199,125,255,.1),transparent 60%),
    var(--paper);
}
#mathfield{position:absolute;inset:0;overflow:hidden;pointer-events:none}
#mathfield span{
  position:absolute;font-family:var(--font-mono);
  color:rgba(54,9,61,.14);user-select:none;
  animation:floatUp linear infinite;
}
html[data-theme="dark"] #mathfield span{color:rgba(199,125,255,.1)}
@keyframes floatUp{
  from{transform:translateY(110vh) rotate(var(--r,0deg));opacity:0}
  8%{opacity:1}
  92%{opacity:1}
  to{transform:translateY(-14vh) rotate(var(--r,0deg));opacity:0}
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  max-width:1200px;margin:0 auto;width:100%;
}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero-kicker{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.3em;color:var(--gold);
  text-transform:uppercase;margin-bottom:18px;display:flex;align-items:center;gap:10px;
}
h1{
  font-family:var(--font-display);font-weight:900;color:var(--ink);
  font-size:clamp(38px,6.4vw,76px);line-height:1.02;text-transform:uppercase;
}
html[data-theme="dark"] h1{color:#fff}
h1 .stroke{color:transparent;-webkit-text-stroke:1.5px var(--violet-bright)}
.hero-sub{margin:26px 0 34px;max-width:520px;color:var(--muted);font-size:clamp(15px,1.5vw,19px)}
.hero-sub b{color:var(--ink)}
html[data-theme="dark"] .hero-sub b{color:#fff}

/* ---------- store buttons ---------- */
.stores{display:flex;gap:16px;flex-wrap:wrap;align-items:stretch}
.store-btn{
  display:flex;align-items:center;gap:14px;text-decoration:none;
  padding:14px 22px;border-radius:12px;min-width:210px;
}
.store-btn .s-icon{width:30px;height:30px;flex:none}
.store-btn small{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.8}
.store-btn strong{font-family:var(--font-body);font-size:17px;letter-spacing:.02em}
.store-play{background:var(--ink);color:#fff;box-shadow:0 12px 36px rgba(54,9,61,.35)}
.store-play:hover{box-shadow:0 18px 50px rgba(122,26,138,.5)}
.store-ios{
  background:var(--paper);color:var(--ink);
  border:1px dashed var(--violet-bright);cursor:default;position:relative;
}
html[data-theme="dark"] .store-ios{color:#fff}
.store-ios .soon{
  position:absolute;top:-10px;right:-8px;background:var(--gold-bright);color:var(--ink-deep);
  font-family:var(--font-mono);font-size:9px;font-weight:700;letter-spacing:.1em;
  padding:3px 8px;border-radius:20px;transform:rotate(4deg);
  box-shadow:0 4px 14px rgba(217,142,0,.35);
}

/* ---------- hero stats ---------- */
.hero-stats{
  display:flex;gap:clamp(18px,4vw,48px);margin-top:52px;flex-wrap:wrap;
  border-top:1px solid rgba(54,9,61,.15);padding-top:26px;
}
html[data-theme="dark"] .hero-stats{border-color:rgba(199,125,255,.2)}
.hstat{font-family:var(--font-mono)}
.hstat .num{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--ink)}
html[data-theme="dark"] .hstat .num{color:#fff}
.hstat .lbl{font-size:10px;letter-spacing:.2em;color:var(--violet);text-transform:uppercase;margin-top:2px}

/* ---------- hero lambda visual ---------- */
.hero-visual{display:flex;justify-content:center;perspective:1000px}
.hero-3d{
  position:relative;width:min(340px,80vw);aspect-ratio:1;
  transform-style:preserve-3d;
}
.lambda-card{
  position:absolute;inset:0;border-radius:28px;
  background:radial-gradient(circle at 50% 42%,#5a1666 0%,var(--ink) 55%,#22052a 100%);
  box-shadow:0 30px 80px rgba(54,9,61,.45),0 0 0 1px rgba(122,26,138,.2);
  display:flex;align-items:center;justify-content:center;
  transform-style:preserve-3d;
}
.lambda-card svg{width:58%;height:58%;transform:translateZ(30px)}
.orbit{
  position:absolute;font-family:var(--font-mono);font-size:12px;color:var(--ink);
  background:var(--paper);border:1px solid rgba(122,26,138,.35);border-radius:8px;
  padding:8px 12px;box-shadow:0 10px 30px rgba(54,9,61,.18);white-space:nowrap;
}
html[data-theme="dark"] .orbit{color:#fff;background:var(--ink-deep);border-color:rgba(199,125,255,.4)}
.orbit b{color:var(--gold)}
.o1{top:6%;left:-6%;--z:70px}
.o2{bottom:14%;right:-10%;--z:90px}
.o3{bottom:-4%;left:4%;--z:55px}
@media(max-width:900px){.o2{right:0}.o1{left:0}}

.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;color:var(--violet);
  text-transform:uppercase;animation:blink 1.6s steps(2) infinite;z-index:2;
}

/* ============ LEVEL 1 · STREAK ============ */
#streak{background:linear-gradient(180deg,var(--paper),var(--paper-tint))}
html[data-theme="dark"] #streak{background:var(--card)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;max-width:1200px;margin:0 auto}
@media(max-width:900px){.split-grid{grid-template-columns:1fr}}

/* the in-app problem card keeps the app's dark skin in both themes */
.problem-card{
  background:var(--card);border:1px solid var(--card-line);border-radius:18px;
  padding:26px;max-width:460px;margin:0 auto;width:100%;
  box-shadow:0 24px 60px rgba(54,9,61,.35);
  font-family:var(--font-mono);color:#fff;
}
.pc-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.14em;color:#c77dff;text-transform:uppercase;margin-bottom:18px}
.pc-head .rating{color:var(--gold-bright)}
.pc-q{font-size:15px;line-height:1.7;color:#fff}
.pc-q .dim{color:var(--card-dim)}
.pc-q .eq{display:block;text-align:center;font-size:18px;color:var(--violet-soft);margin:14px 0;text-shadow:0 0 16px rgba(199,125,255,.4)}
.pc-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.pc-opts button{
  font-family:var(--font-mono);font-size:13px;padding:11px;border-radius:9px;
  background:rgba(199,125,255,.08);border:1px solid var(--card-line);color:#fff;
  cursor:pointer;transition:all .15s;
}
.pc-opts button:hover:not(:disabled){background:rgba(199,125,255,.22);transform:translateY(-2px)}
.pc-opts button:disabled{cursor:default;opacity:.45}
.pc-opts button.correct{background:rgba(62,207,255,.2);border-color:#3ecfff;box-shadow:0 0 18px rgba(62,207,255,.4);opacity:1}
.pc-opts button.wrong{background:rgba(255,62,108,.18);border-color:#ff3e6c;animation:shake .3s}
@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.pc-foot{display:flex;justify-content:space-between;margin-top:18px;font-size:11px;color:var(--card-dim)}
.pc-foot .reward{color:var(--gold-bright)}
.pc-result{margin-top:12px;font-size:12px;min-height:18px;letter-spacing:.06em;color:var(--card-dim)}

/* ---------- streak flame + calendar ---------- */
.streak-row{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:30px;
  padding:18px 22px;border-radius:14px;width:fit-content;
  background:#fff8e9;border:1px solid rgba(217,142,0,.35);
}
html[data-theme="dark"] .streak-row{background:rgba(217,142,0,.08);border-color:rgba(217,142,0,.3)}
.flame{font-size:clamp(30px,3.4vw,44px);filter:drop-shadow(0 4px 14px rgba(217,142,0,.45));animation:flick .5s ease-in-out infinite alternate}
@keyframes flick{from{transform:scale(1) rotate(-2deg)}to{transform:scale(1.08) rotate(2deg)}}
.streak-count{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--gold);text-transform:uppercase}
.streak-count b{display:block;font-size:22px;color:var(--ink);letter-spacing:0}
html[data-theme="dark"] .streak-count b{color:#fff}
.streak-days{display:flex;gap:8px}
.sday{
  width:clamp(30px,3.4vw,42px);aspect-ratio:1;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:12px;
  background:rgba(217,142,0,.12);border:1px solid rgba(217,142,0,.55);color:var(--gold);
}
.sday.today{background:var(--gold-bright);color:var(--ink-deep);font-weight:700;box-shadow:0 4px 18px rgba(217,142,0,.5);animation:flick .6s ease-in-out infinite alternate}
.sday.off{background:rgba(54,9,61,.04);border-color:rgba(54,9,61,.15);color:#b39cbd}
html[data-theme="dark"] .sday.off{background:rgba(255,255,255,.03);border-color:rgba(199,125,255,.2);color:#6d4a7a}

/* ---------- feature list ---------- */
.feature-list{list-style:none;margin-top:28px;display:grid;gap:16px}
.feature-list li{display:flex;gap:14px;align-items:flex-start;color:var(--muted);font-size:15px}
.feature-list .fl-ico{
  flex:none;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:rgba(122,26,138,.08);border:1px solid rgba(122,26,138,.28);font-size:16px;
}
html[data-theme="dark"] .feature-list .fl-ico{background:rgba(199,125,255,.12);border-color:rgba(199,125,255,.35)}
.feature-list b{color:var(--ink)}
html[data-theme="dark"] .feature-list b{color:#fff}

/* ============ LEVEL 2 · RAID ============ */
.raid-wrap{position:relative}
#raid{padding:0;background:linear-gradient(180deg,var(--paper-tint),var(--paper) 45%)}
html[data-theme="dark"] #raid{background:var(--ink-deep)}
.raid-head{max-width:1200px;margin:0 auto;padding:120px clamp(20px,6vw,80px) 60px;text-align:center}
.raid-head .section-sub{margin:0 auto}
.raid-split{display:grid;grid-template-columns:1fr 1fr;min-height:82vh}
@media(max-width:900px){.raid-split{grid-template-columns:1fr}}
.raid-half{padding:100px clamp(20px,5vw,70px);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.raid-attack{background:linear-gradient(160deg,#fdecf2,#f7ebfa 90%)}
.raid-defend{background:linear-gradient(200deg,#e9f7fd,#f7ebfa 90%)}
html[data-theme="dark"] .raid-attack{background:linear-gradient(160deg,#3d0716,#36093d 90%)}
html[data-theme="dark"] .raid-defend{background:linear-gradient(200deg,#062c3d,#36093d 90%)}
.raid-half h3{font-family:var(--font-display);font-weight:900;font-size:clamp(26px,3.4vw,42px);text-transform:uppercase;margin-bottom:14px}
.raid-attack h3{color:var(--attack)}
.raid-defend h3{color:var(--defend)}
.raid-half p{color:var(--muted);max-width:420px;font-size:15px}
html[data-theme="dark"] .raid-half p{color:#e2d0ea}
.raid-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;margin-bottom:14px}
.raid-attack .raid-tag{color:var(--attack)}
.raid-defend .raid-tag{color:var(--defend)}
.wall{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin-top:30px;max-width:430px;perspective:600px}
.brick{
  aspect-ratio:1.6;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:11px;
}
.raid-defend .brick{background:rgba(10,143,194,.09);border:1px solid rgba(10,143,194,.5);color:#086d94}
.raid-attack .brick{background:rgba(224,25,90,.07);border:1px solid rgba(224,25,90,.45);color:#b31348}
html[data-theme="dark"] .raid-defend .brick{background:rgba(62,207,255,.12);border-color:rgba(62,207,255,.45);color:#9ae4ff}
html[data-theme="dark"] .raid-attack .brick{background:rgba(255,62,108,.1);border-color:rgba(255,62,108,.4);color:#ff9ab3}
.brick.cracked{background:rgba(224,25,90,.16);border-style:dashed;text-decoration:line-through;opacity:.7}
.brick.solid{box-shadow:0 2px 10px rgba(10,143,194,.25)}
.integrity{margin-top:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:#086d94;max-width:430px}
.integrity.atk{color:#b31348}
html[data-theme="dark"] .integrity{color:#9ae4ff}
html[data-theme="dark"] .integrity.atk{color:#ff9ab3}
.integrity .bar{height:8px;border-radius:6px;background:rgba(54,9,61,.08);margin-top:6px;overflow:hidden}
html[data-theme="dark"] .integrity .bar{background:rgba(255,255,255,.07)}
.integrity .bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--defend),#5bc4e8);box-shadow:0 0 10px rgba(10,143,194,.5)}
.integrity .bar i.atk{background:linear-gradient(90deg,var(--attack),#f06a97);box-shadow:0 0 10px rgba(224,25,90,.45)}
.raid-vs{
  position:absolute;z-index:5;left:50%;top:50%;transform:translate(-50%,-50%);
  width:88px;height:88px;border-radius:50%;background:var(--ink);color:#fff;
  border:3px solid var(--paper);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:900;font-size:15px;letter-spacing:.06em;
  box-shadow:0 14px 40px rgba(54,9,61,.4);
}
html[data-theme="dark"] .raid-vs{border-color:var(--violet);box-shadow:0 0 40px rgba(199,125,255,.55)}
@media(max-width:900px){.raid-vs{display:none}}

/* ============ LEVEL 3 · DUEL ============ */
#duel{background:linear-gradient(180deg,var(--paper-tint),var(--paper));text-align:center}
html[data-theme="dark"] #duel{background:var(--ink-deep)}
.duel-stage{max-width:900px;margin:50px auto 0;position:relative;perspective:1200px}
.duel-card{
  display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(10px,3vw,30px);align-items:center;
  background:var(--card);border:1px solid var(--card-line);border-radius:22px;
  padding:clamp(20px,4vw,44px);box-shadow:0 30px 70px rgba(54,9,61,.35);color:#fff;
  transform-style:preserve-3d;
}
.duelist{display:flex;flex-direction:column;align-items:center;gap:10px;transform-style:preserve-3d}
.avatar{
  width:clamp(60px,8vw,92px);aspect-ratio:1;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-family:var(--font-display);font-weight:900;font-size:clamp(20px,3vw,32px);
  transform:translateZ(40px);
}
.duelist.you .avatar{background:radial-gradient(circle at 35% 30%,#5ee0ff,#0a5f80);box-shadow:0 0 30px rgba(62,207,255,.5)}
.duelist.rival .avatar{background:radial-gradient(circle at 35% 30%,#ff7a9c,#8f0f33);box-shadow:0 0 30px rgba(255,62,108,.5)}
.duelist .dname{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em}
.duelist .drating{font-family:var(--font-mono);font-size:11px;color:var(--gold-bright);white-space:nowrap}
.scorebar{width:100%;max-width:140px;height:8px;border-radius:6px;background:rgba(255,255,255,.1);overflow:hidden}
/* widths are driven by duel.js as the duel plays out */
.scorebar i{display:block;height:100%;width:0;border-radius:6px;transition:width .55s var(--ease-out)}
.you .scorebar i{background:linear-gradient(90deg,#3ecfff,#7ae6ff);box-shadow:0 0 10px #3ecfff}
.rival .scorebar i{background:linear-gradient(90deg,#ff3e6c,#ff7a9c);box-shadow:0 0 10px #ff3e6c}
.score-lbl{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--card-dim)}
.vs-block{display:flex;flex-direction:column;align-items:center;gap:8px;transform:translateZ(60px)}
.duel-timer.hot{color:#ff3e6c;border-color:rgba(255,62,108,.6);animation:blink 1s steps(2) infinite}

/* opponent slot: unknown → searching → locked in */
.duel-card.searching .rival .avatar{animation:seek .8s ease-in-out infinite alternate}
@keyframes seek{from{opacity:.35;transform:translateZ(40px) scale(.94)}to{opacity:1;transform:translateZ(40px) scale(1.04)}}
.duel-card.matched .rival .avatar{animation:slamIn .5s var(--ease-out)}
@keyframes slamIn{
  0%{opacity:0;transform:translateZ(160px) scale(1.8) rotate(-12deg)}
  100%{opacity:1;transform:translateZ(40px) scale(1) rotate(0)}
}
.vs{
  font-family:var(--font-display);font-weight:900;font-size:clamp(26px,4vw,44px);
  color:transparent;-webkit-text-stroke:1.5px #ff3e6c;
  text-shadow:0 0 30px rgba(255,62,108,.5);animation:vsPulse 1.4s ease-in-out infinite;
}
@keyframes vsPulse{50%{transform:scale(1.12)}}
.duel-timer{font-family:var(--font-mono);font-size:clamp(14px,1.8vw,18px);color:#fff;background:rgba(0,0,0,.35);padding:5px 12px;border-radius:8px;border:1px solid rgba(199,125,255,.3)}
/* ---------- the playable duel panel ---------- */
.duel-panel{
  max-width:660px;margin:-14px auto 0;position:relative;z-index:3;
  background:var(--ink);border:1px solid rgba(199,125,255,.45);border-radius:16px;
  box-shadow:0 20px 50px rgba(54,9,61,.4);
  font-family:var(--font-mono);color:#fff;
  padding:26px 24px;min-height:236px;
  display:flex;align-items:center;justify-content:center;
}
.dp-view{width:100%;animation:panelIn .4s var(--ease-out)}
@keyframes panelIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* idle */
.find-duel{
  font-family:var(--font-display);font-weight:900;font-size:clamp(15px,1.8vw,19px);
  letter-spacing:.06em;text-transform:uppercase;cursor:pointer;
  padding:16px 34px;border-radius:12px;color:var(--ink-deep);
  background:linear-gradient(135deg,var(--gold-bright),#ffab00);
  border:none;box-shadow:0 10px 34px rgba(255,201,62,.45);
  animation:findPulse 2.4s ease-in-out infinite;
  transition:transform .2s var(--ease-out),box-shadow .25s ease;
}
.find-duel:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 16px 44px rgba(255,201,62,.7)}
.find-duel:active{transform:translateY(0) scale(.98)}
.find-duel:focus-visible{outline:2px solid #fff;outline-offset:3px}
@keyframes findPulse{
  0%,100%{box-shadow:0 10px 34px rgba(255,201,62,.4)}
  50%{box-shadow:0 10px 44px rgba(255,201,62,.75)}
}
.dp-hint{margin-top:14px;font-size:11px;letter-spacing:.14em;color:var(--card-dim);text-transform:uppercase}

/* searching / buffering */
.dp-search{text-align:center}
.radar{position:relative;width:86px;height:86px;margin:0 auto 16px;display:grid;place-items:center}
.radar i{
  position:absolute;inset:0;border-radius:50%;
  border:1.5px solid var(--violet-soft);opacity:0;
  animation:ping 1.8s ease-out infinite;
}
.radar i:nth-child(2){animation-delay:.6s}
.radar i:nth-child(3){animation-delay:1.2s}
.radar b{font-size:26px;filter:drop-shadow(0 0 12px #c77dff)}
@keyframes ping{
  0%{transform:scale(.3);opacity:.95}
  100%{transform:scale(1);opacity:0}
}
.dp-status{font-size:12px;letter-spacing:.24em;color:#c77dff;text-transform:uppercase}
.dp-dots::after{content:'';animation:dots 1.2s steps(4,end) infinite}
@keyframes dots{0%{content:''}25%{content:'.'}50%{content:'..'}75%{content:'...'}}
.dp-scan{margin-top:10px;font-size:13px;color:var(--card-dim);height:18px}
.dp-progress{
  width:min(280px,70%);height:4px;border-radius:4px;margin:16px auto 0;
  background:rgba(255,255,255,.1);overflow:hidden;
}
.dp-progress i{display:block;height:100%;width:0;border-radius:4px;
  background:linear-gradient(90deg,#c77dff,var(--gold-bright));
  animation:fill 2.5s linear forwards}
@keyframes fill{to{width:100%}}

/* matched */
.dp-matched{text-align:center}
.dp-flash{font-size:11px;letter-spacing:.3em;color:#3ecfff;animation:blink .5s steps(2) 4}
.dp-opp{
  font-family:var(--font-display);font-weight:900;font-size:clamp(28px,4.4vw,44px);
  margin:10px 0 6px;color:#fff;text-shadow:0 0 30px rgba(255,201,62,.7);
  animation:slamIn .45s var(--ease-out);
}
.dp-oppsub{font-size:11px;letter-spacing:.1em;color:var(--card-dim)}

/* a question */
.dq-head{
  display:flex;justify-content:space-between;font-size:10px;letter-spacing:.18em;
  color:#c77dff;text-transform:uppercase;margin-bottom:16px;
}
.dq-text{font-size:15px;line-height:1.7;color:#fff;text-align:center;min-height:52px}
.dq-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
@media(max-width:560px){.dq-opts{grid-template-columns:1fr}}
.dq-opts button{
  font-family:var(--font-mono);font-size:14px;padding:13px;border-radius:9px;
  background:rgba(199,125,255,.08);border:1px solid var(--card-line);color:#fff;
  cursor:pointer;transition:transform .15s,background .15s,border-color .15s;
}
.dq-opts button:hover:not(:disabled){background:rgba(199,125,255,.24);transform:translateY(-2px)}
.dq-opts button:disabled{cursor:default;opacity:.55}
.dq-opts button.correct{background:rgba(62,207,255,.24);border-color:#3ecfff;box-shadow:0 0 20px rgba(62,207,255,.5);opacity:1}
.dq-opts button.wrong{background:rgba(255,62,108,.22);border-color:#ff3e6c;animation:shake .3s;opacity:1}
.dq-opts button.answer{border-color:#3ecfff;border-style:dashed;opacity:1}
.dq-msg{margin-top:14px;font-size:12px;line-height:1.6;min-height:34px;text-align:center;color:var(--card-dim)}
.dq-msg.ok{color:#3ecfff}
.dq-msg.bad{color:#ff3e6c}
.dq-opp{display:block;margin-top:6px;color:var(--gold-bright);font-size:11px}

/* result */
.dr{text-align:center}
.dr-title{font-family:var(--font-display);font-weight:900;font-size:clamp(24px,3.6vw,38px);text-transform:uppercase}
.dr-title.win{color:#fff;text-shadow:0 0 34px rgba(255,201,62,.8)}
.dr-title.lose{color:#ff8fab}
.dr-delta{
  font-size:clamp(18px,2.4vw,26px);font-weight:700;margin:8px 0 12px;
  animation:slamIn .5s var(--ease-out);
}
.dr-delta.win{color:var(--gold-bright);text-shadow:0 0 24px rgba(255,201,62,.7)}
.dr-delta.lose{color:#ff3e6c}
.dr-sub{font-size:12px;line-height:1.7;color:var(--card-dim);max-width:440px;margin:0 auto 20px}

.duel-points{display:flex;justify-content:center;gap:clamp(16px,4vw,48px);margin-top:44px;flex-wrap:wrap}
.dp{max-width:230px;text-align:left}
.dp h4{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--violet);text-transform:uppercase;margin-bottom:6px}
.dp p{font-size:14px;color:var(--muted)}

/* ============ LEVEL 4 · CLANS ============ */
#clans{background:linear-gradient(180deg,var(--paper),var(--paper-tint))}
html[data-theme="dark"] #clans{background:var(--card)}
.clan-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:center;max-width:1200px;margin:0 auto}
@media(max-width:950px){.clan-grid{grid-template-columns:1fr}}
.ladder{
  background:var(--card);border:1px solid var(--card-line);border-radius:18px;overflow:hidden;
  box-shadow:0 24px 60px rgba(54,9,61,.35);font-family:var(--font-mono);color:#fff;
}
.ladder-head{
  display:flex;justify-content:space-between;padding:16px 22px;font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:#c77dff;border-bottom:1px solid rgba(199,125,255,.25);
  background:rgba(199,125,255,.06);
}
.ladder-row{
  display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;
  padding:14px 22px;border-bottom:1px solid rgba(199,125,255,.12);font-size:13px;
  transition:background .2s;
}
.ladder-row:hover{background:rgba(199,125,255,.07)}
.ladder-row:last-child{border-bottom:none}
.ladder-row .rank{font-weight:700;color:#c77dff}
.ladder-row.gold .rank{color:var(--gold-bright);text-shadow:0 0 12px rgba(255,201,62,.6)}
.ladder-row .clan-name b{color:#fff}
.ladder-row .clan-name small{display:block;font-size:10px;color:var(--card-dim);letter-spacing:.08em}
.ladder-row .pts{color:var(--gold-bright);font-weight:700}
.ladder-row.war{background:rgba(255,62,108,.07)}
.ladder-row.war .pts{color:#ff3e6c}
.war-flash{font-size:9px;color:#ff3e6c;letter-spacing:.16em;animation:blink 1s steps(2) infinite}

/* ---------- clan wars → contests ---------- */
.clan-contests{max-width:1200px;margin:90px auto 0;text-align:center}
.cw-head{font-family:var(--font-display);font-weight:900;font-size:clamp(20px,2.8vw,32px);text-transform:uppercase;color:var(--ink)}
html[data-theme="dark"] .cw-head{color:#fff}
.cw-head span{color:var(--violet)}
.cw-sub{max-width:640px;margin:14px auto 0;color:var(--muted);font-size:15px}
.contest-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1200px;margin:36px auto 0;text-align:left}
@media(max-width:950px){.contest-cards{grid-template-columns:1fr}}
.ccard{
  background:var(--paper);border:1px solid rgba(122,26,138,.22);border-radius:16px;padding:28px;
  position:relative;overflow:hidden;
  box-shadow:0 6px 24px rgba(54,9,61,.08);
}
html[data-theme="dark"] .ccard{background:var(--ink-deep);border-color:rgba(199,125,255,.28)}
.ccard:hover{border-color:var(--violet-bright);box-shadow:0 22px 55px rgba(122,26,138,.28)}
.ccard .c-ico{font-size:26px;margin-bottom:14px;display:block}
.ccard h4{font-family:var(--font-display);font-size:17px;text-transform:uppercase;margin-bottom:10px;color:var(--ink)}
html[data-theme="dark"] .ccard h4{color:#fff}
.ccard p{font-size:14px;color:var(--muted)}
.ccard .c-live{
  position:absolute;top:18px;right:18px;font-family:var(--font-mono);font-size:9px;
  letter-spacing:.14em;color:var(--attack);
}
.ccard .c-live::before{content:'●';margin-right:5px;animation:blink 1s steps(2) infinite}

/* ---------- live contest leaderboard (in-app skin) ---------- */
.cboard{
  background:var(--card);border:1px solid var(--card-line);border-radius:18px;overflow:hidden;
  box-shadow:0 24px 60px rgba(54,9,61,.35);font-family:var(--font-mono);color:#fff;
  max-width:780px;margin:30px auto 0;text-align:left;
}
.cboard-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:16px 22px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:#c77dff;background:rgba(199,125,255,.06);border-bottom:1px solid rgba(199,125,255,.25);
}
.cboard-head .live{color:#ff3e6c}
.cboard-head .live::before{content:'●';margin-right:6px;animation:blink 1s steps(2) infinite}
.cboard-head .clock{color:var(--gold-bright)}
.cboard-cols,.cboard-row{display:grid;grid-template-columns:44px 1fr 64px 76px;gap:10px;align-items:center;padding:12px 22px}
.cboard-cols{font-size:9px;letter-spacing:.2em;color:var(--card-dim);border-bottom:1px solid rgba(199,125,255,.12);padding:10px 22px}
.cboard-cols span:nth-child(3),.cboard-cols span:nth-child(4){text-align:right}
.cboard-row{font-size:13px;border-bottom:1px solid rgba(199,125,255,.12);transition:background .5s}
.cboard-row:last-child{border-bottom:none}
.cboard-row .rank{font-weight:700;color:#c77dff}
.cboard-row.gold .rank{color:var(--gold-bright);text-shadow:0 0 12px rgba(255,201,62,.6)}
.cboard-row .player b{color:#fff;display:block;font-weight:700}
.cboard-row .player small{font-size:9px;color:var(--card-dim);letter-spacing:.1em}
.cboard-row .solved{text-align:right;color:var(--violet-soft)}
.cboard-row .delta{text-align:right;font-weight:700}
.delta.up{color:#3ecfff}
.delta.down{color:#ff3e6c}
.cboard-gap{padding:4px 22px;color:#6d4a7a;font-size:12px;letter-spacing:.4em}
.cboard-row.you{background:rgba(255,201,62,.08)}
.cboard-row.you .player b{color:var(--gold-bright)}
.cboard-row.flash{background:rgba(62,207,255,.16)}

/* ============ LEVEL 5 · RANKS ============ */
#ranks{background:linear-gradient(180deg,var(--paper-tint),var(--paper))}
html[data-theme="dark"] #ranks{background:var(--ink-deep)}
.rank-ladder{
  display:flex;gap:14px;justify-content:center;align-items:flex-end;flex-wrap:wrap;
  max-width:1150px;margin:56px auto 0;perspective:1400px;
}
.tier{
  --tc:#8d93a0;
  flex:1;min-width:124px;max-width:150px;min-height:var(--h,120px);
  display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;
  padding:22px 12px;border-radius:14px;position:relative;overflow:hidden;
  background:var(--paper);border:1.5px solid var(--tc);
  box-shadow:0 6px 20px rgba(54,9,61,.08);
  font-family:var(--font-mono);transform-style:preserve-3d;
}
html[data-theme="dark"] .tier{background:var(--card);box-shadow:none}
.tier .t-name{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:.05em;color:var(--tc);text-transform:uppercase;text-align:center}
.tier .t-div{font-size:9px;letter-spacing:.2em;color:var(--muted)}
.tier.goated{--tc:var(--gold);border-width:2.5px;box-shadow:0 12px 36px rgba(217,142,0,.35)}
html[data-theme="dark"] .tier.goated{box-shadow:0 0 36px rgba(255,201,62,.25)}
.tier.goated .t-name{font-size:16px;text-shadow:0 0 14px rgba(255,201,62,.5)}

/* the tier the visitor's live rating currently sits in */
.tier.current{border-width:2.5px;box-shadow:0 14px 44px -6px var(--tc)}
.tier.current::before{
  content:'YOU';position:absolute;top:8px;left:50%;z-index:3;
  transform:translateX(-50%);
  font-family:var(--font-mono);font-size:8px;letter-spacing:.16em;
  color:var(--paper);background:var(--tc);
  padding:3px 8px;border-radius:20px;
  animation:youPop .5s var(--ease-out);
}
@keyframes youPop{from{opacity:0;transform:translateX(-50%) translateY(-8px) scale(.7)}to{opacity:1}}
.rank-note{
  margin-top:30px;text-align:center;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
}
@media(max-width:760px){.rank-ladder{align-items:stretch}.tier{min-height:0;max-width:46%}}

/* ============ DOWNLOAD ============ */
#download{
  text-align:center;
  background:
    radial-gradient(900px 500px at 50% 12%,rgba(163,75,181,.14),transparent 65%),
    var(--paper);
  padding-bottom:140px;
}
#download .lambda-mini{width:84px;height:84px;margin:0 auto 26px;display:block;filter:drop-shadow(0 14px 30px rgba(54,9,61,.35))}
#download h2{font-size:clamp(32px,5.6vw,64px)}
#download .stores{justify-content:center;margin-top:38px}
.qr-note{margin-top:26px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}