/* ═══════════════════════════════════════════════════════════
   ARQADEX CTF DIVISION — Complete UI System
   ctf.arqadex.site © 2025
═══════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --bg:    #020208; --bg2: #05050F; --bg3: #0A0A1A;
  --c:     #00F5FF; --p:   #FF2DA6; --v:   #7A5CFF;
  --li:    #C7FF4D; --or:  #FF8800; --re:  #FF2020;
  --tx:    #F0F0FF; --mu:  #404060; --si:  #8888AA;
  --orb:   'Orbitron', monospace;
  --mono:  'Space Mono', monospace;
  --cat-web:    #00F5FF; --cat-re:  #7A5CFF; --cat-crypto: #FF2DA6;
  --cat-dfir:   #FF8800; --cat-osint:#C7FF4D; --cat-pwn:    #FF4444;
  --cat-stego:  #00FFAA; --cat-mal:  #FFD700; --cat-ai:     #4488FF;
  --cat-cloud:  #00CCFF;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--tx);font-family:var(--orb);overflow-x:hidden;cursor:none;}
a{text-decoration:none;color:inherit;}
button{cursor:none;}
#bg-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;}

/* ── Cursor ── */
#cursor{position:fixed;width:10px;height:10px;background:var(--c);border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);box-shadow:0 0 10px var(--c);transition:transform .1s,width .2s,height .2s;}
#cursor.hover{width:24px;height:24px;background:transparent;border:1.5px solid var(--c);}
#cursor-trail{position:fixed;width:28px;height:28px;border:1px solid rgba(0,245,255,.3);border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);transition:left .12s ease,top .12s ease;}

/* ── Container ── */
.container{max-width:1200px;margin:0 auto;padding:0 40px;}
@media(max-width:768px){.container{padding:0 20px;}}

/* ── Navigation ── */
#nav{position:fixed;top:0;left:0;right:0;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;z-index:800;transition:background .3s,border-color .3s;background:rgba(2,2,8,0);border-bottom:1px solid transparent;}
#nav.scrolled{background:rgba(2,2,8,.92);backdrop-filter:blur(16px);border-color:rgba(255,255,255,.05);}
.nav-logo{font-size:16px;font-weight:900;letter-spacing:3px;color:var(--tx);}
.logo-bracket{color:var(--mu);}
.logo-slash{color:var(--p);margin:0 2px;}
.logo-ctf{color:var(--c);}
.nav-links{display:flex;gap:32px;}
.nav-link{font-size:10px;letter-spacing:3px;color:var(--si);transition:color .2s;}
.nav-link:hover{color:var(--c);}
.nav-cta{font-size:10px;font-weight:700;letter-spacing:3px;color:var(--c);border:1px solid rgba(0,245,255,.35);padding:9px 20px;border-radius:3px;background:rgba(0,245,255,.06);transition:all .2s;}
.nav-cta:hover{background:rgba(0,245,255,.14);box-shadow:0 0 20px rgba(0,245,255,.15);}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:4px;}
.nav-burger span{display:block;width:22px;height:2px;background:var(--si);transition:all .3s;}
@media(max-width:900px){.nav-links{display:none;}.nav-burger{display:flex;}}
@media(max-width:600px){#nav{padding:0 20px;}.nav-cta{display:none;}}

/* ── Section shared ── */
.section{padding:120px 0;position:relative;}
.section-header{text-align:center;margin-bottom:70px;}
.section-eyebrow{font-size:9px;letter-spacing:6px;color:rgba(0,245,255,.45);margin-bottom:14px;}
.section-title{font-size:clamp(32px,5vw,54px);font-weight:900;letter-spacing:3px;line-height:1.1;margin-bottom:16px;}
.section-sub{font-family:var(--mono);font-size:13px;color:var(--si);max-width:540px;margin:0 auto;line-height:1.8;}

/* ── Reveal animation ── */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ── Buttons ── */
.btn-primary{display:inline-block;font-size:11px;font-weight:700;letter-spacing:4px;background:linear-gradient(135deg,rgba(0,245,255,.15),rgba(122,92,255,.15));border:1px solid rgba(0,245,255,.4);color:var(--c);padding:16px 36px;border-radius:4px;transition:all .25s;}
.btn-primary:hover{background:linear-gradient(135deg,rgba(0,245,255,.25),rgba(122,92,255,.25));box-shadow:0 0 30px rgba(0,245,255,.2);transform:translateY(-2px);}
.btn-ghost{display:inline-block;font-size:11px;font-weight:700;letter-spacing:4px;color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.12);padding:16px 36px;border-radius:4px;transition:all .25s;}
.btn-ghost:hover{border-color:rgba(255,45,166,.4);color:var(--p);}

/* ═══ HERO ═══════════════════════════════════════════════════ */
#hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:80px 40px 40px;}
.hero-grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(0,245,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,245,255,.04) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;}
.hero-content{text-align:center;position:relative;z-index:2;max-width:900px;margin:0 auto;}
.hero-badge{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10px;letter-spacing:3px;color:rgba(0,245,255,.5);border:1px solid rgba(0,245,255,.15);border-radius:20px;padding:8px 18px;background:rgba(0,245,255,.04);margin-bottom:36px;}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c);animation:pulsedot 2s infinite;}
@keyframes pulsedot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(0,245,255,.4);}50%{opacity:.8;box-shadow:0 0 0 6px rgba(0,245,255,0);}}
.hero-title{margin-bottom:28px;line-height:1;}
.ht-line1{display:block;font-size:clamp(52px,9vw,108px);font-weight:900;letter-spacing:14px;color:rgba(255,255,255,.12);-webkit-text-stroke:1px rgba(255,255,255,.2);}
.ht-line2{display:block;font-size:clamp(60px,10vw,120px);font-weight:900;letter-spacing:6px;background:linear-gradient(135deg,var(--tx) 40%,var(--c));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 40px rgba(0,245,255,.3));}
.ht-accent{-webkit-text-fill-color:var(--c);color:var(--c);}
.ht-line3{display:block;font-size:clamp(30px,5vw,58px);font-weight:900;letter-spacing:18px;color:rgba(255,255,255,.25);-webkit-text-stroke:1px rgba(255,255,255,.15);}
.hero-sub{font-family:var(--mono);font-size:14px;color:var(--si);line-height:1.8;max-width:580px;margin:0 auto 40px;}
.hero-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:60px;}
.hero-stats{display:flex;align-items:center;gap:0;justify-content:center;flex-wrap:wrap;gap:0;}
.stat-item{text-align:center;padding:0 36px;}
.stat-val{font-size:36px;font-weight:900;color:var(--c);text-shadow:0 0 20px rgba(0,245,255,.4);letter-spacing:2px;}
.stat-lbl{font-size:8px;letter-spacing:3px;color:var(--mu);margin-top:4px;}
.stat-sep{width:1px;height:44px;background:rgba(255,255,255,.08);}
.hero-scroll-indicator{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;opacity:.3;}
.scroll-line{width:1px;height:40px;background:linear-gradient(transparent,var(--c));animation:scrollpulse 2s infinite;}
@keyframes scrollpulse{0%,100%{opacity:.3;}50%{opacity:.8;}}
.hero-scroll-indicator span{font-size:8px;letter-spacing:4px;color:var(--si);}
@media(max-width:600px){.stat-item{padding:0 16px;}.stat-val{font-size:26px;}.ht-line1{letter-spacing:6px;}.ht-line3{letter-spacing:8px;}}

/* ═══ BRIEF ══════════════════════════════════════════════════ */
.brief-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:50px;}
.brief-card{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:28px;transition:border-color .3s,transform .3s;}
.brief-card:hover{border-color:rgba(0,245,255,.2);transform:translateY(-4px);}
.brief-icon{font-size:28px;color:var(--c);margin-bottom:16px;}
.brief-card h3{font-size:12px;font-weight:700;letter-spacing:3px;margin-bottom:10px;color:var(--tx);}
.brief-card p{font-family:var(--mono);font-size:11px;color:var(--si);line-height:1.8;}
.brief-terminal{background:rgba(5,5,15,.8);border:1px solid rgba(0,245,255,.12);border-radius:10px;overflow:hidden;}
.bt-header{display:flex;align-items:center;gap:12px;padding:10px 18px;background:rgba(0,245,255,.04);border-bottom:1px solid rgba(0,245,255,.08);}
.bt-dots{display:flex;gap:6px;}.bt-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.1);}
.bt-dots span:nth-child(1){background:#FF5F56;}.bt-dots span:nth-child(2){background:#FFBD2E;}.bt-dots span:nth-child(3){background:#27C93F;}
.bt-title{font-family:var(--mono);font-size:11px;color:var(--mu);letter-spacing:1px;}
.bt-body{padding:20px 24px;}
.bt-line{font-family:var(--mono);font-size:12px;color:var(--si);line-height:2;}.bt-line.out{padding-left:16px;}.bt-line.cyan{color:var(--c);}
.bt-prompt{color:var(--c);margin-right:8px;}.bt-cursor{animation:blink .8s step-end infinite;color:var(--c);}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:0;}}

/* ═══ CATEGORIES ══════════════════════════════════════════════ */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;}
.cat-card{border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:24px 20px;background:rgba(255,255,255,.02);cursor:none;transition:all .25s;position:relative;overflow:hidden;}
.cat-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .3s;border-radius:12px;}
.cat-card:hover::before{opacity:1;}
.cat-card:hover{transform:translateY(-4px);}
.cc-icon{font-size:22px;margin-bottom:14px;}
.cc-name{font-size:11px;font-weight:700;letter-spacing:2px;margin-bottom:6px;}
.cc-desc{font-family:var(--mono);font-size:10px;color:var(--si);line-height:1.7;}
.cc-count{position:absolute;top:14px;right:16px;font-size:9px;letter-spacing:2px;opacity:.5;font-family:var(--mono);}

/* ═══ CHALLENGES ═════════════════════════════════════════════ */
.ch-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px;}
.filter-btn{font-family:var(--orb);font-size:9px;font-weight:700;letter-spacing:3px;padding:8px 18px;border:1px solid rgba(255,255,255,.08);border-radius:20px;background:rgba(255,255,255,.02);color:var(--si);transition:all .2s;cursor:none;}
.filter-btn:hover,.filter-btn.active{border-color:rgba(0,245,255,.4);background:rgba(0,245,255,.08);color:var(--c);}
.ch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:18px;}
.ch-card{background:rgba(5,5,16,.7);border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:24px;transition:all .3s;cursor:none;position:relative;overflow:hidden;}
.ch-card:hover{border-color:var(--card-color,rgba(0,245,255,.3));box-shadow:0 0 30px color-mix(in srgb,var(--card-color,var(--c)) 15%,transparent);transform:translateY(-3px);}
.ch-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--card-color,var(--c));opacity:.6;}
.ch-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:14px;}
.ch-cat-badge{font-size:8px;font-weight:700;letter-spacing:3px;padding:4px 10px;border-radius:3px;background:rgba(255,255,255,.06);}
.ch-pts{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--li);}
.ch-name{font-size:14px;font-weight:700;letter-spacing:2px;margin-bottom:10px;color:var(--tx);}
.ch-stars{display:flex;gap:3px;margin-bottom:12px;}
.ch-star{font-size:11px;color:var(--mu);}
.ch-star.lit{color:var(--or);}
.ch-desc{font-family:var(--mono);font-size:11px;color:var(--si);line-height:1.7;margin-bottom:16px;}
.ch-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
.ch-tag{font-family:var(--mono);font-size:9px;padding:3px 8px;border:1px solid rgba(255,255,255,.08);border-radius:3px;color:var(--mu);}
.ch-btn{font-family:var(--orb);font-size:9px;font-weight:700;letter-spacing:3px;padding:10px 20px;border:1px solid rgba(255,255,255,.1);border-radius:4px;background:rgba(255,255,255,.03);color:rgba(255,255,255,.5);transition:all .2s;width:100%;text-align:center;}
.ch-card:hover .ch-btn{border-color:var(--card-color,var(--c));color:var(--card-color,var(--c));background:rgba(0,0,0,.2);}
.ch-card.hidden{display:none;}
@media(max-width:600px){.ch-grid{grid-template-columns:1fr;}}

/* ═══ MISSION TERMINAL ════════════════════════════════════════ */
.term-wrap{background:rgba(3,3,14,.9);border:1px solid rgba(0,245,255,.14);border-radius:12px;overflow:hidden;max-width:860px;margin:0 auto;}
.term-header{display:flex;align-items:center;gap:14px;padding:12px 20px;background:rgba(0,245,255,.04);border-bottom:1px solid rgba(0,245,255,.08);}
.term-dots{display:flex;gap:6px;}.term-dots span{width:10px;height:10px;border-radius:50%;}
.term-dots span:nth-child(1){background:#FF5F56;}.term-dots span:nth-child(2){background:#FFBD2E;}.term-dots span:nth-child(3){background:#27C93F;}
.term-title{font-family:var(--mono);font-size:10px;letter-spacing:2px;color:var(--mu);flex:1;text-align:center;}
.term-status{font-family:var(--mono);font-size:9px;letter-spacing:2px;color:var(--li);display:flex;align-items:center;gap:6px;}
.ts-dot{width:6px;height:6px;border-radius:50%;background:var(--li);box-shadow:0 0 6px var(--li);animation:pulsedot 2s infinite;}
.term-body{padding:28px 32px;}
.term-progress{display:flex;align-items:center;gap:4px;margin-bottom:32px;flex-wrap:wrap;gap:6px;}
.tp-step{font-size:8px;letter-spacing:2px;color:var(--mu);padding:4px 10px;border:1px solid rgba(255,255,255,.06);border-radius:3px;transition:all .3s;white-space:nowrap;}
.tp-step.active{color:var(--c);border-color:rgba(0,245,255,.3);background:rgba(0,245,255,.06);}
.tp-step.done{color:var(--li);border-color:rgba(199,255,77,.2);}
.tp-sep{color:var(--mu);font-size:10px;}
.term-step{display:none;}.term-step.active{display:block;}
.step-label{font-size:11px;font-weight:700;letter-spacing:4px;color:var(--si);margin-bottom:20px;}
.step-hint{font-family:var(--mono);font-size:9px;color:var(--mu);font-weight:400;letter-spacing:1px;}
.op-type-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:24px;}
.op-card{border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:22px;cursor:none;transition:all .25s;text-align:center;}
.op-card:hover,.op-card.selected{border-color:rgba(0,245,255,.4);background:rgba(0,245,255,.06);}
.op-icon{font-size:26px;color:var(--c);margin-bottom:12px;}
.op-name{font-size:11px;font-weight:700;letter-spacing:3px;margin-bottom:8px;color:var(--tx);}
.op-desc{font-family:var(--mono);font-size:10px;color:var(--si);line-height:1.7;margin-bottom:10px;}
.op-price{font-size:10px;color:var(--li);letter-spacing:2px;}
.term-next,.term-back{font-family:var(--orb);font-size:10px;font-weight:700;letter-spacing:3px;padding:12px 28px;border-radius:4px;transition:all .2s;cursor:none;}
.term-next{background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.35);color:var(--c);}
.term-next:hover:not(:disabled){background:rgba(0,245,255,.18);box-shadow:0 0 20px rgba(0,245,255,.15);}
.term-next:disabled{opacity:.3;pointer-events:none;}
.term-back{background:transparent;border:1px solid rgba(255,255,255,.08);color:var(--si);margin-right:12px;}
.term-back:hover{border-color:rgba(255,255,255,.2);color:var(--tx);}
.term-nav{margin-top:24px;display:flex;align-items:center;}
.cat-select-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-bottom:24px;}
.cat-sel-item{border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:14px;cursor:none;transition:all .2s;display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:2px;color:var(--si);}
.cat-sel-item:hover{border-color:rgba(255,255,255,.18);color:var(--tx);}
.cat-sel-item.selected{border-color:var(--sel-color,var(--c));background:rgba(0,245,255,.06);color:var(--tx);}
.csi-icon{font-size:16px;}
.param-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px;}
@media(max-width:600px){.param-grid{grid-template-columns:1fr;}}
.param-group{}.param-label{display:block;font-size:9px;letter-spacing:3px;color:var(--mu);margin-bottom:10px;}
.param-stepper{display:flex;align-items:center;gap:0;}
.stepper-btn{width:38px;height:38px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);color:var(--si);font-size:18px;border-radius:4px;cursor:none;transition:all .2s;}
.stepper-btn:hover{border-color:rgba(0,245,255,.3);color:var(--c);}
.stepper-val{font-size:20px;font-weight:700;color:var(--tx);min-width:48px;text-align:center;}
.diff-select{display:flex;gap:8px;flex-wrap:wrap;}
.diff-opt{font-size:9px;letter-spacing:2px;padding:7px 14px;border:1px solid rgba(255,255,255,.08);border-radius:3px;cursor:none;transition:all .2s;color:var(--mu);}
.diff-opt.active{border-color:rgba(0,245,255,.35);color:var(--c);background:rgba(0,245,255,.06);}
.param-select{width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:10px 14px;color:var(--tx);font-family:var(--mono);font-size:11px;letter-spacing:1px;outline:none;}
.param-select:focus{border-color:rgba(0,245,255,.35);}
.slider-wrap{}.param-slider{width:100%;-webkit-appearance:none;height:3px;background:rgba(255,255,255,.1);border-radius:2px;outline:none;margin-bottom:8px;}
.param-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--c);border-radius:50%;box-shadow:0 0 10px var(--c);cursor:none;}
.slider-labels{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9px;color:var(--mu);}
#hardness-label{color:var(--c);}
.term-textarea{width:100%;min-height:160px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:16px;color:var(--tx);font-family:var(--mono);font-size:12px;line-height:1.8;resize:vertical;outline:none;margin-bottom:8px;letter-spacing:.5px;}
.term-textarea:focus{border-color:rgba(0,245,255,.3);}
.term-textarea::placeholder{color:var(--mu);}
.id-form{display:grid;gap:16px;margin-bottom:24px;}
.id-group label{display:block;margin-bottom:8px;}
.term-input{width:100%;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:12px 16px;color:var(--tx);font-family:var(--mono);font-size:12px;letter-spacing:1px;outline:none;}
.term-input:focus{border-color:rgba(0,245,255,.35);}
.term-input::placeholder{color:var(--mu);}
.summary-block{background:rgba(0,245,255,.03);border:1px solid rgba(0,245,255,.1);border-radius:8px;padding:20px;margin-bottom:24px;font-family:var(--mono);font-size:12px;line-height:2;color:rgba(255,255,255,.6);}
.summary-block strong{color:var(--c);font-weight:700;}
.btn-transmit{width:100%;font-family:var(--orb);font-size:12px;font-weight:700;letter-spacing:5px;padding:18px;background:linear-gradient(135deg,rgba(0,245,255,.15),rgba(122,92,255,.15));border:1px solid rgba(0,245,255,.4);color:var(--c);border-radius:6px;cursor:none;transition:all .3s;margin-bottom:16px;}
.btn-transmit:hover{background:linear-gradient(135deg,rgba(0,245,255,.25),rgba(122,92,255,.25));box-shadow:0 0 40px rgba(0,245,255,.2);}
.tx-lines{font-family:var(--mono);font-size:12px;line-height:2.2;}
.tx-line{opacity:0;transform:translateX(-10px);transition:all .3s;color:var(--si);}
.tx-line.show{opacity:1;transform:translateX(0);}
.tx-line.cyan{color:var(--c);}.tx-line.lime{color:var(--li);}.tx-line.pink{color:var(--p);}
.tx-success{text-align:center;padding:24px;border:1px solid rgba(199,255,77,.2);border-radius:8px;background:rgba(199,255,77,.04);margin-top:16px;opacity:0;transition:opacity .5s;}
.tx-success.show{opacity:1;}
.tx-success-title{font-size:18px;font-weight:900;letter-spacing:4px;color:var(--li);margin-bottom:10px;}
.tx-success-sub{font-family:var(--mono);font-size:12px;color:var(--si);}

/* ═══ DIVISION ═══════════════════════════════════════════════ */
.div-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-bottom:60px;align-items:start;}
@media(max-width:768px){.div-layout{grid-template-columns:1fr;gap:40px;}}
.div-lead{font-size:18px;font-weight:600;letter-spacing:1px;line-height:1.6;color:var(--tx);margin-bottom:20px;}
.div-body{font-family:var(--mono);font-size:13px;color:var(--si);line-height:1.8;margin-bottom:16px;}
.div-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:32px;border-top:1px solid rgba(255,255,255,.06);padding-top:24px;}
.ds-item{padding:0 24px 0 0;}.ds-item:first-child{padding-left:0;}
.ds-val{display:block;font-size:28px;font-weight:900;color:var(--c);text-shadow:0 0 16px rgba(0,245,255,.3);}
.ds-lbl{font-family:var(--mono);font-size:9px;letter-spacing:2px;color:var(--mu);}
.exp-title{font-size:9px;letter-spacing:4px;color:var(--mu);margin-bottom:16px;}
.exp-list{display:flex;flex-direction:column;gap:10px;}
.exp-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid rgba(255,255,255,.06);border-radius:8px;background:rgba(255,255,255,.02);transition:border-color .2s;}
.exp-item:hover{border-color:rgba(0,245,255,.2);}
.exp-bar-wrap{flex:1;height:3px;background:rgba(255,255,255,.06);border-radius:2px;overflow:hidden;}
.exp-bar{height:100%;border-radius:2px;background:var(--bar-color,var(--c));}
.exp-name{font-size:10px;letter-spacing:2px;min-width:120px;}
.exp-pct{font-family:var(--mono);font-size:10px;color:var(--mu);min-width:36px;text-align:right;}
.trust-bar{border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:28px;background:rgba(255,255,255,.02);}
.tb-label{font-size:8px;letter-spacing:4px;color:var(--mu);margin-bottom:16px;}
.tb-items{display:flex;flex-wrap:wrap;gap:10px;}
.tb-item{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.45);border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:7px 16px;}

/* ═══ FOOTER ══════════════════════════════════════════════════ */
footer{padding:80px 0 40px;border-top:1px solid rgba(255,255,255,.05);}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;margin-bottom:50px;}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:40px;}}
.footer-logo{font-size:22px;font-weight:900;letter-spacing:4px;margin-bottom:12px;color:var(--tx);}
.fl-slash{color:var(--p);margin:0 4px;}
.footer-tagline{font-family:var(--mono);font-size:11px;color:var(--si);line-height:1.7;margin-bottom:20px;}
.footer-links-social{display:flex;gap:16px;}
.fsocial{font-size:9px;letter-spacing:3px;color:var(--mu);border:1px solid rgba(255,255,255,.08);border-radius:3px;padding:7px 14px;transition:all .2s;}
.fsocial:hover{border-color:rgba(0,245,255,.3);color:var(--c);}
.fc-title{font-size:9px;letter-spacing:4px;color:var(--mu);margin-bottom:16px;}
.fc-link{display:block;font-family:var(--mono);font-size:11px;color:var(--si);margin-bottom:10px;transition:color .2s;}
.fc-link:hover{color:var(--c);}
.neon-divider{height:1px;background:linear-gradient(90deg,transparent,var(--c),var(--p),var(--v),transparent);opacity:.3;margin-bottom:24px;}
.fb-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
.fb-copy{font-family:var(--mono);font-size:9px;color:var(--mu);letter-spacing:1px;}
.fb-tagline{font-size:10px;font-weight:700;letter-spacing:4px;color:rgba(255,45,166,.4);}

/* ═══ MODAL ══════════════════════════════════════════════════ */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,4,.85);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-overlay.hidden{display:none;}
.modal{background:rgba(5,5,18,.98);border:1px solid rgba(0,245,255,.15);border-radius:14px;max-width:760px;width:100%;max-height:90vh;overflow-y:auto;position:relative;}
.modal-close{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:10px;letter-spacing:2px;color:var(--mu);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:4px;padding:6px 12px;cursor:none;transition:all .2s;z-index:10;}
.modal-close:hover{color:var(--re);border-color:rgba(255,32,32,.3);}
.modal-header{padding:28px 28px 20px;border-bottom:1px solid rgba(255,255,255,.06);}
.modal-cat-badge{font-size:9px;font-weight:700;letter-spacing:3px;padding:5px 12px;border-radius:3px;display:inline-block;margin-bottom:14px;}
.modal-title{font-size:22px;font-weight:900;letter-spacing:3px;margin-bottom:12px;}
.modal-badges{display:flex;gap:10px;flex-wrap:wrap;}
.mb-badge{font-family:var(--mono);font-size:10px;padding:5px 12px;border:1px solid rgba(255,255,255,.1);border-radius:4px;color:var(--si);}
.mb-badge.pts{color:var(--li);border-color:rgba(199,255,77,.2);}
.mb-badge.diff{color:var(--or);border-color:rgba(255,136,0,.2);}
.modal-body{padding:24px 28px;}
.modal-section{margin-bottom:28px;}
.ms-label{font-size:9px;letter-spacing:4px;color:var(--mu);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.05);}
.ms-text{font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.6);line-height:1.85;}
.m-files{display:flex;flex-wrap:wrap;gap:8px;}
.m-file{font-family:var(--mono);font-size:10px;color:var(--c);background:rgba(0,245,255,.06);border:1px solid rgba(0,245,255,.15);border-radius:4px;padding:6px 14px;}
.m-hints{display:flex;flex-direction:column;gap:8px;}
.m-hint{border:1px solid rgba(255,255,255,.07);border-radius:6px;overflow:hidden;}
.mh-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;cursor:none;background:rgba(255,255,255,.02);}
.mh-header:hover{background:rgba(255,255,255,.04);}
.mh-title{font-size:10px;letter-spacing:2px;color:var(--si);}
.mh-cost{font-family:var(--mono);font-size:9px;color:var(--or);}
.mh-body{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.55);padding:0 14px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;}
.mh-body.open{max-height:100px;padding:10px 14px;}
.hint-warning{font-family:var(--mono);font-size:9px;color:var(--or);font-weight:400;letter-spacing:1px;}
.flag-input-wrap{display:flex;gap:10px;margin-bottom:12px;}
.flag-input{flex:1;background:rgba(0,0,0,.4);border:1px solid rgba(0,245,255,.2);border-radius:6px;padding:12px 16px;color:var(--c);font-family:var(--mono);font-size:13px;letter-spacing:2px;outline:none;}
.flag-input:focus{border-color:rgba(0,245,255,.5);box-shadow:0 0 12px rgba(0,245,255,.1);}
.flag-submit{font-family:var(--orb);font-size:10px;font-weight:700;letter-spacing:3px;padding:12px 24px;background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.3);color:var(--c);border-radius:6px;cursor:none;transition:all .2s;white-space:nowrap;}
.flag-submit:hover{background:rgba(0,245,255,.18);}
.flag-result{padding:12px 16px;border-radius:6px;font-family:var(--mono);font-size:12px;letter-spacing:2px;}
.flag-result.correct{background:rgba(199,255,77,.06);border:1px solid rgba(199,255,77,.25);color:var(--li);}
.flag-result.wrong{background:rgba(255,32,32,.06);border:1px solid rgba(255,32,32,.2);color:var(--re);}
.flag-result.hidden{display:none;}
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(0,245,255,.25);border-radius:3px;}