/* === Slytherin Homage Styles (Google Fonts) === */
:root{
  /* Palette */
  --emerald-900:#0b1c14;
  --emerald-800:#11281d;
  --emerald-700:#173726;
  --emerald-600:#1e4831;
  --emerald-500:#2a623d;
  --emerald-400:#3a7d50;
  --venom:#5d9b57;
  --silver:#c0c0c0;
  --silver-bright:#e8e8e8;
  --silver-dim:#a8a8a8;
  --gold:#b8860b;
  --blood:#8b0000;
  --ink:#0a0a0a;

  /* Fonts */
  --font-display:'Cinzel', serif;
  --font-serif:'Cormorant Garamond', serif;
  --font-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Layout */
  --radius:18px;
  --gap:1rem;
  --shadow-lg:0 30px 60px rgba(0,0,0,.6), inset 0 0 40px rgba(0,0,0,.25);
  --border:1px solid rgba(93,155,87,.45);

  /* Motion */
  --t1:.25s cubic-bezier(.25,1,.5,1);
  --t2:.6s cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-serif);
  color:var(--silver);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(42,98,61,.25), transparent 60%),
    radial-gradient(900px 500px at 80% 80%, rgba(61,113,83,.22), transparent 60%),
    linear-gradient(180deg, var(--emerald-900), #0f1419 40%, var(--ink));
  color-scheme:dark;
  overflow-x:hidden;
}

/* Accessibility helpers */
.visually-hidden{position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap}

/* Entrance seal */
.entrance{
  position:fixed;inset:0;background:#0a0a0a;display:grid;place-items:center;z-index:9999;
  animation:unseal 2.2s ease forwards;
}
.entrance .seal{fill:none;stroke:var(--venom);stroke-width:2;opacity:.2}
.entrance .section{fill:var(--venom);font-family:var(--font-display);font-size:100px;filter:drop-shadow(0 0 18px rgba(93,155,87,.8))}
@keyframes unseal{0%{opacity:1}80%{opacity:.9}100%{opacity:0;visibility:hidden}}

/* Header */
.masthead{
  position:sticky;top:0;z-index:1000;background:linear-gradient(#0f1419, rgba(15,20,25,.6), transparent);
  backdrop-filter:saturate(120%) blur(8px);
  display:flex;align-items:center;justify-content:space-between;
  padding:.6rem 1rem;border-bottom:1px solid rgba(93,155,87,.2);
}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:inherit}
.crest{filter:drop-shadow(0 6px 16px rgba(93,155,87,.25))}
.wordmark{font-family:var(--font-display);letter-spacing:.3em}
.wordmark strong{color:var(--emerald-500);text-shadow:0 0 25px rgba(93,155,87,.5)}
.nav a{color:var(--silver);text-decoration:none;margin-left:1rem;position:relative}
.nav a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--venom);transition:width var(--t1)}
.nav a:hover::after{width:100%}

/* Progress scales */
.progress{
  position:fixed;top:68px;left:50%;transform:translateX(-50%);
  display:flex;gap:.5rem;padding:.4rem .8rem;border-radius:999px;
  background:rgba(15,20,25,.9);border:1px solid rgba(93,155,87,.35);z-index:999;
}
.scale{width:18px;height:18px;clip-path:polygon(50% 0%,80% 35%,100% 50%,80% 65%,50% 100%,20% 65%,0% 50%,20% 35%);
  background:#1a472a;opacity:.35;transition:transform var(--t1),opacity var(--t1),background var(--t1)}
.scale.unlocked{background:var(--venom);opacity:1;transform:scale(1.2)}

/* Hero */
.sanctum{padding:2rem;max-width:1200px;margin:0 auto}
.hero{min-height:62vh;display:grid;place-items:center;text-align:center;padding:4rem 1rem 2rem}
.display{font-family:var(--font-display);line-height:.9;letter-spacing:.2em;margin:0}
.simon{display:block;font-size:clamp(2.6rem,8vw,5rem);background:linear-gradient(90deg,#bbb,#eee,#bbb); -webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:shine 6s linear infinite}
.slays{display:block;font-size:clamp(2rem,7vw,4rem);color:var(--emerald-500);text-shadow:0 0 24px rgba(93,155,87,.6);letter-spacing:.5em;margin-top:.2rem}
@keyframes shine{0%{background-position:0 50%}100%{background-position:200% 50%}}
.subtitle{opacity:.85;margin:.75rem 0 1.5rem;font-style:italic}
.cta-row{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}
.chip{border:1px solid rgba(93,155,87,.6);background:#0f1419;border-radius:999px;color:var(--silver-bright);padding:.55rem .9rem;font-family:var(--font-mono);cursor:pointer;transition:transform var(--t1),box-shadow var(--t1)}
.chip:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(93,155,87,.3)}

/* Library */
.library{max-width:900px;margin:2rem auto}
.tome{border:var(--border);border-radius:var(--radius);background:linear-gradient(180deg, rgba(26,71,42,.08), rgba(15,20,25,.7));box-shadow:var(--shadow-lg);margin:1rem 0;overflow:hidden}
.tome>summary{cursor:pointer; padding:1rem 1.2rem;font-family:var(--font-display);letter-spacing:.1em;color:var(--silver-bright)}
.tome[open]>summary{color:var(--venom)}
.tome-body{padding:0 1.2rem 1.2rem 1.2rem}
.checklist{padding-left:1.2rem}
.checklist li{margin:.3rem 0}

/* Skills */
.skills{margin:3rem auto;max-width:1100px}
.skills h2{font-family:var(--font-display);letter-spacing:.2em;color:var(--emerald-500);text-align:center;margin-bottom:1.2rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.card{border:var(--border);border-radius:var(--radius);background:linear-gradient(160deg,#111,#0f1419 60%,rgba(26,71,42,.2));padding:1.1rem;transition:transform var(--t1),border-color var(--t1),box-shadow var(--t1);text-align:center;box-shadow:var(--shadow-lg)}
.card:hover{transform:translateY(-6px);border-color:var(--venom);box-shadow:0 18px 40px rgba(93,155,87,.35)}
.icon{font-size:1.6rem;margin:.25rem 0}
.card h3{font-family:var(--font-display);letter-spacing:.08em;margin:.25rem 0 .35rem 0}
.card p{opacity:.85}

/* Portal coins */
.portal{margin:3rem auto;max-width:800px;text-align:center}
.portal h2{font-family:var(--font-display);letter-spacing:.2em;color:var(--emerald-500)}
.coins{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;margin-top:1rem}
.coin{--s:64px; width:var(--s);height:var(--s);border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#f5f5f5,#dcdcdc 45%,#bcbcbc);
  box-shadow:0 2px 10px rgba(0,0,0,.6), inset 0 0 15px rgba(0,0,0,.25), 0 0 30px rgba(93,155,87,.25);
  border:1px solid #9a9a9a; display:grid;place-items:center; text-decoration:none; color:#0f1419;
  font-family:var(--font-display); letter-spacing:.1em; transition:transform var(--t1),box-shadow var(--t1);
}
.coin:hover{transform:translateY(-6px) rotateY(180deg); box-shadow:0 8px 24px rgba(93,155,87,.4), inset 0 0 12px rgba(0,0,0,.35)}
.coin span{font-weight:900}

/* Chambers (modals) */
.chambers .chamber{border:none;border-radius:16px;padding:1.2rem 1rem;max-width:360px;background:linear-gradient(135deg,rgba(15,20,25,.95),rgba(26,71,42,.85));color:var(--silver-bright);box-shadow:0 0 60px rgba(93,155,87,.6)}
.chambers .chamber::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(2px)}
.chambers h3{font-family:var(--font-display);color:var(--venom);text-align:center}
.close{position:absolute;top:.4rem;right:.5rem;border:none;border-radius:999px;width:28px;height:28px;background:var(--blood);color:#fff;cursor:pointer}
.close:hover{background:var(--venom);color:#0f1419}

/* Toast + noscript */
.toast{position:fixed;bottom:1.2rem;left:50%;transform:translateX(-50%) translateY(120%);padding:.6rem 1rem;border-radius:999px;background:var(--emerald-600);border:1px solid var(--venom);color:var(--silver-bright);font-family:var(--font-mono); box-shadow:0 8px 28px rgba(93,155,87,.35); transition:transform var(--t1),opacity var(--t1);opacity:0;z-index:2000}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.noscript{position:fixed;bottom:0;left:0;right:0;background:var(--emerald-700);color:var(--silver-bright);padding:.5rem 1rem;text-align:center}

/* Background scales */
.scales{position:fixed;inset:0;z-index:-1;opacity:.08;mix-blend:screen;pointer-events:none}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*:before,*:after{animation:none!important;transition:none!important}
}

/* Small screens */
@media (max-width:600px){
  .nav{display:none}
  .progress{top:60px}
  .coin{--s:56px}
}