@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap');

/* ===== DİM Essay Hub — Cinematic Dark Theme (video hero style) ===== */
:root{
  --bg:#060310;--card:rgba(20,18,35,.55);--card2:rgba(28,24,45,.65);
  --line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
  --ink:#f2f1ee;--muted:#a5a4b0;--faint:#6a6878;
  --blue:#818cf8;--blue-d:#a5b4fc;--blue-l:rgba(129,140,248,.12);
  --purple:#a855f7;--purple-l:rgba(168,85,247,.12);
  --green:#6ee7b7;--green-l:rgba(110,231,183,.10);
  --amber:#fcd34d;--amber-l:rgba(252,211,77,.10);
  --red:#fb7185;--red-l:rgba(251,113,133,.10);
  --radius:16px;--shadow:0 8px 32px rgba(0,0,0,.4);--shadow-lg:0 16px 48px rgba(0,0,0,.5);
  --shadow-sm:0 4px 16px rgba(0,0,0,.25);
  --ease:cubic-bezier(.16,1,.3,1);--grad:linear-gradient(135deg,#6366f1,#a855f7);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Space Mono',monospace;line-height:1.6;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* liquid glass utility */
.liquid-glass{background:rgba(255,255,255,.01);background-blend-mode:luminosity;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border:none;box-shadow:inset 0 1px 1px rgba(255,255,255,.1);position:relative;overflow:hidden}
.liquid-glass::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1.4px;background:linear-gradient(180deg,rgba(255,255,255,.45) 0%,rgba(255,255,255,.15) 20%,rgba(255,255,255,0) 40%,rgba(255,255,255,0) 60%,rgba(255,255,255,.15) 80%,rgba(255,255,255,.45) 100%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}

/* wrap */
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;position:relative;z-index:5}

/* navbar */
.topbar{position:fixed;top:0;left:0;right:0;z-index:50;transition:.4s var(--ease)}
.topbar.scrolled{background:rgba(6,3,16,.7);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1080px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;cursor:pointer}
.nav-brand .logo{font-size:1.3rem}
.nav-toggle{display:none;background:transparent;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer;padding:4px}
.nav-collapse{display:flex;gap:4px;align-items:center}
.lnk{padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--muted);transition:.3s var(--ease);white-space:nowrap}
.lnk:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.lnk.active{color:var(--ink);background:rgba(129,140,248,.1);border:1px solid rgba(129,140,248,.2)}
@media(max-width:820px){
  .nav-toggle{display:block}
  .nav-collapse{display:none;position:fixed;top:64px;left:12px;right:12px;flex-direction:column;background:rgba(10,6,24,.96);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:16px;padding:12px;gap:2px}
  .nav-collapse.show{display:flex}
  .lnk{width:100%;padding:12px 16px}
}

/* panels — liquid glass */
.panel{background:var(--card);backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.panel::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(180deg,rgba(255,255,255,.2),rgba(255,255,255,.06) 22%,transparent 40%,transparent 60%,rgba(255,255,255,.06) 78%,rgba(255,255,255,.2));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}

/* typography */
h1,h2,h3,h4{font-family:'General Sans',sans-serif;font-weight:600;letter-spacing:-.02em}
.pagehead{text-align:center;margin:100px 0 30px;padding:0 20px}
.pagehead h1{font-size:clamp(28px,5vw,52px);font-weight:700;color:#fff;margin-bottom:10px}
.pagehead p{font-size:15px;color:var(--muted);max-width:36rem;margin:0 auto}
.badge{display:inline-block;background:var(--blue-l);color:var(--blue-d);font-size:.78rem;font-weight:600;
  padding:5px 14px;border-radius:999px;border:1px solid rgba(129,140,248,.2);margin-top:14px}
.disclaimer{background:rgba(129,140,248,.05);border:1px solid rgba(129,140,248,.12);border-radius:12px;padding:14px 18px;font-size:.84rem;color:var(--muted);margin-bottom:18px;line-height:1.6}
.disclaimer b{color:var(--ink)}

/* form */
.fld{display:block;font-size:.86rem;font-weight:600;color:var(--ink);margin-bottom:8px}
input[type=text],textarea,select,.input{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;color:var(--ink);font-family:inherit;font-size:15px;transition:.3s var(--ease)}
input[type=text]:focus,textarea:focus,select:focus,.input:focus{outline:none;border-color:rgba(129,140,248,.35);background:rgba(255,255,255,.05)}
textarea{resize:vertical;line-height:1.7}
::placeholder{color:var(--faint)}
select{cursor:pointer}
option{background:#0f0a1e;color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;border:none;
  padding:12px 24px;border-radius:999px;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:.3s var(--ease);text-decoration:none}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(99,102,241,.3)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:rgba(255,255,255,.04);color:var(--ink);border:1px solid var(--line2)}
.btn.ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.btn.sm{padding:8px 16px;font-size:13px}

/* status */
.note{background:rgba(129,140,248,.06);border:1px solid rgba(129,140,248,.15);border-radius:10px;padding:12px 16px;font-size:.86rem;color:var(--blue-d);margin-bottom:12px;line-height:1.6}
.good{background:var(--green-l);border:1px solid rgba(110,231,183,.15);border-radius:10px;padding:12px 16px;font-size:.86rem;color:var(--green);margin-bottom:12px;line-height:1.6}
.warn{background:var(--amber-l);border:1px solid rgba(252,211,77,.15);border-radius:10px;padding:12px 16px;font-size:.86rem;color:var(--amber);margin-bottom:12px;line-height:1.6}
.danger{background:var(--red-l);border:1px solid rgba(251,113,133,.15);border-radius:10px;padding:12px 16px;font-size:.86rem;color:var(--red);margin-bottom:12px;line-height:1.6}

/* live */
.live{display:flex;gap:18px;flex-wrap:wrap;font-size:.84rem;color:var(--muted);margin-top:12px;padding:10px 0;border-top:1px dashed var(--line)}
.live b{color:var(--blue-d);font-size:1rem}
.samples{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* footer */
footer{text-align:center;color:var(--faint);font-size:.78rem;padding:30px 0;border-top:1px solid var(--line);margin-top:30px;line-height:1.8}
footer a{color:var(--muted)}
footer a:hover{color:var(--ink)}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.visible,.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}

@keyframes aiSpin{to{transform:rotate(360deg)}}

/* utility */
.hidden{display:none!important}
.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}
.chip{display:inline-block;font-size:.78rem;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);margin:3px}

/* score overview — cinematic gradient */
.score-overview{background:linear-gradient(135deg,#6366f1,#a855f7);color:#fff;border-radius:var(--radius);padding:30px;text-align:center;margin-bottom:22px;box-shadow:0 24px 60px rgba(99,102,241,.2)}

/* stats grid */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;margin-bottom:18px}
.stat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.stat .n{font-size:1.4rem;font-weight:800;color:var(--blue-d)}
.stat .t{font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-top:2px}

/* mobile */
@media(max-width:600px){
  .pagehead{margin-top:80px}
  .panel{padding:18px}
  .btn{font-size:13px;padding:10px 20px}
}