/* ===== Ευνοία · Study — themed after euvoia.org ===== */
:root{
  --paper:#fafaf9; --ink:#1c1917; --black:#0a0a0a;
  --stone-700:#44403c; --stone-600:#57534e; --stone-500:#78716c;
  --stone-400:#a8a29e; --stone-300:#d6d3d1; --stone-200:#e7e5e4; --stone-100:#f5f5f4;
  --line:#e7e5e4; --accent:#1c1917;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:300;
  -webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-weight:400}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--stone-500)}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
@media(max-width:640px){.wrap{padding:0 22px}}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(250,250,249,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:var(--serif);font-size:24px;letter-spacing:.02em}
.brand small{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--stone-500);
  display:block;margin-top:-4px;text-transform:uppercase}
.nav-links{display:flex;gap:34px;font-size:13px;letter-spacing:.02em;color:var(--stone-600)}
.nav-links a{position:relative;padding:4px 0}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--ink);transition:width .3s}
.nav-links a:hover::after{width:100%}
@media(max-width:760px){.nav-links{display:none}}

/* hero */
.hero{padding:110px 0 90px;border-bottom:1px solid var(--line)}
.hero .eyebrow{margin-bottom:26px}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(44px,7vw,84px);line-height:1.02;
  letter-spacing:-.02em;margin:0 0 26px;max-width:14ch}
.hero h1 em{font-style:italic;color:var(--stone-500)}
.hero p{font-size:19px;font-weight:300;color:var(--stone-600);max-width:56ch;margin:0}
.hero-meta{display:flex;gap:46px;margin-top:56px;flex-wrap:wrap}
.hero-meta div{border-left:1px solid var(--line);padding-left:16px}
.hero-meta .k{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--stone-400)}
.hero-meta .v{font-size:15px;margin-top:5px}

/* section frame */
.section{padding:88px 0;border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:20px;margin-bottom:52px}
.sec-num{font-family:var(--mono);font-size:12px;color:var(--stone-400)}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,40px);margin:0;letter-spacing:-.01em}
.sec-head p{color:var(--stone-500);font-size:15px;margin:6px 0 0;max-width:52ch}

/* subject grid */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--paper);padding:34px 30px;transition:background .25s}
.card:hover{background:#fff}
.card .idx{font-family:var(--mono);font-size:11px;color:var(--stone-400);letter-spacing:.15em}
.card h3{font-family:var(--serif);font-weight:400;font-size:23px;margin:14px 0 8px}
.card .desc{font-size:14px;color:var(--stone-500);margin-bottom:18px}
.reslist{display:flex;flex-direction:column;gap:2px}
.reslist a{font-size:13.5px;color:var(--stone-700);display:flex;align-items:center;gap:8px;padding:5px 0;
  border-top:1px solid var(--stone-100)}
.reslist a:hover{color:var(--ink)}
.reslist a .arw{color:var(--stone-300);transition:transform .2s}
.reslist a:hover .arw{transform:translateX(3px);color:var(--stone-500)}

/* techniques */
.tech{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:640px){.tech{grid-template-columns:1fr}}
.tcard{background:var(--paper);padding:40px 34px}
.tcard .no{font-family:var(--serif);font-style:italic;font-size:40px;color:var(--stone-300);line-height:1}
.tcard h3{font-family:var(--serif);font-weight:400;font-size:22px;margin:18px 0 10px}
.tcard p{font-size:14.5px;color:var(--stone-600);margin:0}

/* tools */
.tools{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:760px){.tools{grid-template-columns:1fr}}
.tool{border:1px solid var(--line);background:#fff;padding:30px}
.tool h3{font-family:var(--serif);font-weight:400;font-size:21px;margin:0 0 4px}
.tool .sub{font-size:12.5px;color:var(--stone-500);margin-bottom:22px}
/* pomodoro */
.pomo-time{font-family:var(--mono);font-size:64px;font-weight:400;letter-spacing:.02em;text-align:center;margin:8px 0}
.pomo-modes{display:flex;gap:8px;justify-content:center;margin-bottom:18px}
.pomo-modes button{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);background:var(--paper);padding:7px 12px;cursor:pointer;color:var(--stone-600)}
.pomo-modes button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pomo-ctl{display:flex;gap:10px;justify-content:center}
.btn{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;
  border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:12px 24px;transition:.2s}
.btn:hover{background:var(--stone-700);border-color:var(--stone-700)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
/* scratchpad */
.pad{width:100%;min-height:200px;border:1px solid var(--line);background:var(--paper);padding:16px;
  font-family:var(--sans);font-size:14px;color:var(--ink);resize:vertical;line-height:1.7}
.pad:focus{outline:none;border-color:var(--stone-400)}
.pad-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;
  font-family:var(--mono);font-size:11px;color:var(--stone-400)}

/* footer */
.foot{padding:70px 0 90px}
.foot-top{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:30px}
.foot .brand{font-size:30px}
.foot p{color:var(--stone-500);font-size:13px;max-width:40ch}
.foot-links{display:flex;gap:26px;font-size:13px;color:var(--stone-600);flex-wrap:wrap;margin-top:26px}
.foot-links a:hover{color:var(--ink)}
.foot-base{margin-top:56px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  font-family:var(--mono);font-size:11px;color:var(--stone-400);letter-spacing:.08em}
/* the discreet break-room button */
.breakroom{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--stone-400);cursor:pointer;
  border:1px solid var(--line);padding:9px 15px;background:transparent;transition:.25s}
.breakroom:hover{color:var(--ink);border-color:var(--stone-400)}
.breakroom .dot{width:6px;height:6px;border-radius:50%;background:var(--stone-300);transition:.25s}
.breakroom:hover .dot{background:#16a34a;box-shadow:0 0 0 3px rgba(22,163,74,.15)}

/* ============ ARCADE ============ */
.arcade{position:fixed;inset:0;z-index:100;background:#0b0b0f;color:#e8e8ea;
  font-family:var(--sans);overflow-y:auto;transform:translateY(100%);
  transition:transform .5s cubic-bezier(.16,1,.3,1);will-change:transform}
.arcade.open{transform:translateY(0)}
.arcade-bg{position:fixed;inset:0;pointer-events:none;opacity:.5;
  background:radial-gradient(1000px 600px at 15% -10%,rgba(124,58,237,.22),transparent 60%),
             radial-gradient(900px 600px at 100% 0%,rgba(6,182,212,.16),transparent 55%),
             radial-gradient(800px 700px at 50% 120%,rgba(244,63,94,.14),transparent 55%)}
.arc-nav{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;
  padding:20px 40px;background:rgba(11,11,15,.7);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
@media(max-width:640px){.arc-nav{padding:16px 20px}}
.arc-logo{font-family:var(--serif);font-size:22px;letter-spacing:.02em}
.arc-logo span{color:#a78bfa}
.arc-back{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:#a1a1aa;cursor:pointer;display:flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.12);
  padding:9px 15px;border-radius:10px;transition:.2s;background:transparent}
.arc-back:hover{color:#fff;border-color:rgba(255,255,255,.3)}
.arc-head{position:relative;padding:56px 40px 20px;max-width:1300px;margin:0 auto}
@media(max-width:640px){.arc-head{padding:36px 20px 12px}}
.arc-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(36px,6vw,60px);margin:0 0 10px}
.arc-head p{color:#a1a1aa;font-size:15px;max-width:60ch;margin:0}
.arc-search{position:relative;margin:26px 40px 0;max-width:1300px;}
.arc-search-inner{max-width:520px;margin:0 auto 0 0;position:relative}
.arc-search input{width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:15px 16px 15px 44px;color:#fff;font-family:var(--sans);font-size:15px}
.arc-search input:focus{outline:none;border-color:#7c3aed;background:rgba(255,255,255,.08)}
.arc-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#71717a}
.arc-cats{display:flex;gap:8px;flex-wrap:wrap;margin:18px 40px 0;max-width:1300px;padding-bottom:4px}
@media(max-width:640px){.arc-search,.arc-cats{margin-left:20px;margin-right:20px}}
.chip{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.03);color:#a1a1aa;
  padding:8px 13px;border-radius:999px;cursor:pointer;transition:.18s}
.chip:hover{color:#fff}
.chip.on{background:#fff;color:#0b0b0f;border-color:#fff}
.arc-grid{position:relative;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;
  padding:26px 40px 90px;max-width:1300px;margin:0 auto}
@media(max-width:640px){.arc-grid{padding:20px 20px 70px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}}
.gcard{position:relative;border-radius:16px;overflow:hidden;cursor:pointer;aspect-ratio:4/3;
  border:1px solid rgba(255,255,255,.08);background:#15151c;transition:transform .2s,box-shadow .2s,border-color .2s}
.gcard:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.25);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.gcard .art{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:52px}
.gcard .art::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.82))}
.gcard .meta{position:absolute;left:0;right:0;bottom:0;padding:14px;z-index:2}
.gcard .meta .nm{font-size:15px;font-weight:500;letter-spacing:.01em}
.gcard .meta .tg{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#a78bfa;margin-top:2px}
.gcard .play{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;
  background:rgba(0,0,0,.4);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;
  opacity:0;transform:scale(.8);transition:.2s;z-index:2}
.gcard:hover .play{opacity:1;transform:scale(1)}
.arc-empty{grid-column:1/-1;text-align:center;color:#71717a;padding:60px;font-size:15px}

/* game modal */
.gmodal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
  background:rgba(4,4,8,.85);backdrop-filter:blur(8px);padding:24px}
.gmodal.open{display:flex}
.gm-inner{width:min(920px,100%);max-height:92vh;background:#101017;border:1px solid rgba(255,255,255,.1);
  border-radius:18px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 30px 90px rgba(0,0,0,.6)}
.gm-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;
  border-bottom:1px solid rgba(255,255,255,.08)}
.gm-title{font-family:var(--serif);font-size:19px}
.gm-title small{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#a78bfa;margin-left:10px}
.gm-actions{display:flex;gap:8px}
.gm-btn{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);
  color:#d4d4d8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.18s}
.gm-btn:hover{background:rgba(255,255,255,.1);color:#fff}
.gm-btn.close:hover{background:#ef4444;border-color:#ef4444;color:#fff}
.gm-stage{position:relative;background:#0a0a0e;display:flex;align-items:center;justify-content:center;
  padding:18px;overflow:auto;min-height:320px}
.gm-stage canvas{background:#0f0f16;border-radius:10px;touch-action:none;max-width:100%}
.gm-hint{padding:11px 18px;border-top:1px solid rgba(255,255,255,.07);font-family:var(--mono);
  font-size:11px;letter-spacing:.06em;color:#71717a;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.gm-hint b{color:#a1a1aa;font-weight:400}
/* generic in-game ui bits reused by games */
.g-hud{display:flex;gap:22px;font-family:var(--mono);font-size:13px;color:#d4d4d8;margin-bottom:12px;justify-content:center;flex-wrap:wrap}
.g-hud b{color:#a78bfa}
.g-center{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%}
.g-over{position:absolute;inset:18px;border-radius:10px;background:rgba(6,6,12,.86);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;z-index:3}
.g-over h3{font-family:var(--serif);font-size:30px;margin:0}
.g-over p{color:#a1a1aa;margin:0;font-family:var(--mono);font-size:13px}
.g-btn{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;
  border:1px solid #7c3aed;background:#7c3aed;color:#fff;padding:11px 22px;border-radius:10px;transition:.18s}
.g-btn:hover{background:#6d28d9;border-color:#6d28d9}
.g-btn.ghost{background:transparent;color:#c4b5fd}
.touchpad{display:none;gap:10px;margin-top:12px}
@media(max-width:820px){.touchpad{display:grid}}
.touchpad button{width:56px;height:56px;border-radius:14px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#fff;font-size:22px;user-select:none;-webkit-user-select:none}
.touchpad button:active{background:rgba(255,255,255,.18)}

/* reveal anim */
@keyframes fadeup{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.reveal{opacity:0}
.reveal.in{animation:fadeup .8s cubic-bezier(.16,1,.3,1) forwards}