/* ============================================================================
   RUNIC — reader-conversion site. Atmospheric dark "arcane engineering" theme.
   Palette: near-black blue base · electric cyan (magic) · imperial gold · undead violet.
   Per-series re-theme = swap the accent vars in :root.
   ============================================================================ */
:root{
  --bg:        #05070e;
  --bg-2:      #0a1020;
  --bg-3:      #0e162b;
  --ink:       #eaf1fb;
  --dim:       #a9bad6;
  --faint:     #6f83a6;
  --line:      rgba(120,160,220,0.14);

  --glow:      #43e2ff;   /* arcane cyan — the magic */
  --glow-deep: #1a86c9;
  --gold:      #e7b667;   /* imperial */
  --rot:       #b57bff;   /* the Dead Man / undead violet */

  --maxw: 1120px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --display: "Cinzel", "Spectral", Georgia, serif;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--serif); font-weight:400; font-size:18px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{ max-width:100%; display:block; }
em{ color:#fff; font-style:italic; }
.accent{ color:var(--glow); }
.rot{ color:var(--rot); }

/* ── ambient background ─────────────────────────────────────────────────── */
.bg-field{ position:fixed; inset:0; z-index:-2; pointer-events:none; }
.bg-glow{
  position:absolute; inset:0;
  background:
    radial-gradient(60% 45% at 50% -5%, color-mix(in srgb, var(--glow) 22%, transparent), transparent 70%),
    radial-gradient(45% 40% at 85% 20%, color-mix(in srgb, var(--glow-deep) 20%, transparent), transparent 70%),
    radial-gradient(50% 50% at 12% 75%, color-mix(in srgb, var(--rot) 12%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
}
.bg-runes{
  position:absolute; inset:0; opacity:.05; mix-blend-mode:screen;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cg fill='none' stroke='%2343e2ff' stroke-width='1.1'%3E%3Cpath d='M30 30 L60 30 M45 15 L45 60 M25 50 L45 60 L65 50'/%3E%3Ccircle cx='160' cy='45' r='16'/%3E%3Cpath d='M160 29 L160 61 M144 45 L176 45'/%3E%3Cpath d='M40 150 l22 0 l-11 20 z M51 150 l0 -22'/%3E%3Cpath d='M150 140 q22 10 0 40 q-22 -10 0 -40 M150 140 l0 40'/%3E%3Cpath d='M95 95 l30 0 l0 30 l-30 0 z M95 95 l30 30 M125 95 l-30 30'/%3E%3C/g%3E%3C/svg%3E");
  background-size:340px 340px;
  animation:drift 90s linear infinite;
}
@keyframes drift{ to{ background-position:340px 680px; } }
.bg-vignette{
  position:absolute; inset:0;
  background:radial-gradient(120% 90% at 50% 30%, transparent 55%, rgba(0,0,0,.55) 100%);
}

/* ── nav ────────────────────────────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; gap:1.2rem;
  padding:.75rem clamp(1rem,4vw,2.2rem);
  background:color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-mark{
  font-family:var(--display); font-weight:700; letter-spacing:.22em;
  color:var(--ink); text-decoration:none; font-size:.95rem; white-space:nowrap;
}
.nav-rune{ color:var(--glow); text-shadow:0 0 14px var(--glow); }
.nav-links{ display:flex; gap:1.4rem; margin-left:auto; }
.nav-links a{
  color:var(--dim); text-decoration:none; font-size:.82rem; letter-spacing:.08em;
  text-transform:uppercase; transition:color .2s;
}
.nav-links a:hover{ color:var(--glow); }

/* ── buttons ────────────────────────────────────────────────────────────── */
.btn{
  --b:var(--glow);
  display:inline-block; cursor:pointer; text-decoration:none; text-align:center;
  font-family:var(--display); font-weight:600; letter-spacing:.06em;
  font-size:.82rem; text-transform:uppercase;
  padding:.7rem 1.3rem; border-radius:2px; border:1px solid var(--b);
  color:var(--bg); background:var(--b);
  box-shadow:0 0 0 rgba(67,226,255,0); transition:box-shadow .25s var(--ease), transform .12s var(--ease), background .2s;
}
.btn:hover{ box-shadow:0 0 26px color-mix(in srgb, var(--b) 55%, transparent); transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--glow); color:var(--glow); box-shadow:none; }
.btn-lg{ font-size:.92rem; padding:.95rem 1.8rem; }
.btn-sm{ font-size:.72rem; padding:.5rem .95rem; margin-left:0; }
@media (max-width:760px){ .nav-links{ display:none; } .nav-mark{ margin-right:auto; } }

/* ── layout helpers ─────────────────────────────────────────────────────── */
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 clamp(1.1rem,4vw,2rem); }
.narrow{ max-width:820px; }
.band{ position:relative; padding:clamp(4rem,10vw,8rem) 0; }
.kicker{
  font-family:var(--display); font-weight:600; font-size:.72rem; letter-spacing:.24em;
  text-transform:uppercase; color:var(--glow); margin:0 0 1rem;
}
.kicker.rot{ color:var(--rot); }
.centered{ text-align:center; }
.band-h{
  font-family:var(--display); font-weight:700; line-height:1.12;
  font-size:clamp(2rem,5.2vw,3.4rem); margin:0 0 1.4rem; letter-spacing:.01em;
}
.lead{ font-size:clamp(1.08rem,2.2vw,1.32rem); color:var(--ink); line-height:1.7; margin:0 0 1.1rem; }
.lead.centered{ max-width:44ch; margin-left:auto; margin-right:auto; }
.band p{ color:var(--dim); margin:0 0 1.1rem; }
.pull{
  font-family:var(--display); font-weight:500; font-size:clamp(1.2rem,2.6vw,1.7rem);
  color:var(--ink)!important; line-height:1.4; margin:1.8rem 0 0;
  padding-left:1.2rem; border-left:2px solid var(--glow);
}

/* ── HERO ───────────────────────────────────────────────────────────────── */
.hero{
  position:relative; min-height:100svh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  padding:5rem clamp(1.1rem,4vw,2rem) 4rem;
}
.hero-inner{ position:relative; z-index:2; max-width:880px; }
.eyebrow{
  font-family:var(--display); font-weight:600; font-size:.74rem; letter-spacing:.28em;
  text-transform:uppercase; color:var(--gold); margin:0 0 1.6rem;
}
.hero-title{
  font-family:var(--display); font-weight:700; line-height:1.05;
  font-size:clamp(2.6rem,8vw,5.4rem); margin:0 0 1.6rem; letter-spacing:.01em;
  text-shadow:0 0 40px rgba(67,226,255,.18);
}
.hero-sub{ font-size:clamp(1.1rem,2.4vw,1.4rem); color:var(--dim); max-width:44ch; margin:0 auto 1.1rem; line-height:1.65; }
.hero-sub-2{
  font-family:var(--display); font-weight:500; color:var(--ink);
  font-size:clamp(1.15rem,2.6vw,1.5rem); line-height:1.45; margin-top:1.6rem;
}
.hero-cta{ display:flex; gap:.9rem; justify-content:center; flex-wrap:wrap; margin:2.2rem 0 1.4rem; }
.hero-ku{ font-size:.9rem; color:var(--faint); }
.hero-ku strong{ color:var(--gold); }

/* portal */
.portal{ position:absolute; z-index:1; top:50%; left:50%; width:min(78vw,720px); aspect-ratio:1; transform:translate(-50%,-50%); pointer-events:none; }
.portal.small{ position:relative; top:auto; left:auto; transform:none; width:min(60vw,340px); margin:0 auto 1.5rem; }
.portal span{
  position:absolute; inset:0; border-radius:50%;
  border:1px solid color-mix(in srgb, var(--glow) 30%, transparent);
  animation:spin 60s linear infinite;
}
.portal span:nth-child(2){ inset:12%; border-color:color-mix(in srgb, var(--glow) 20%, transparent); border-style:dashed; animation-duration:44s; animation-direction:reverse; }
.portal span:nth-child(3){ inset:26%; border-color:color-mix(in srgb, var(--rot) 22%, transparent); animation-duration:80s; }
.portal::before{
  content:""; position:absolute; inset:30%; border-radius:50%;
  background:radial-gradient(circle, color-mix(in srgb, var(--glow) 26%, transparent), transparent 70%);
  filter:blur(24px); animation:pulse 6s ease-in-out infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes pulse{ 0%,100%{ opacity:.6; transform:scale(1); } 50%{ opacity:1; transform:scale(1.08); } }

.scroll-cue{
  position:absolute; bottom:1.7rem; left:50%; transform:translateX(-50%); z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:.4rem;
  color:var(--faint); text-decoration:none; font-size:.72rem; letter-spacing:.18em; text-transform:uppercase;
}
.scroll-arrow{ animation:bob 2.4s ease-in-out infinite; font-size:1rem; color:var(--glow); }
@keyframes bob{ 0%,100%{ transform:translateY(0); opacity:.6; } 50%{ transform:translateY(6px); opacity:1; } }

/* ── band tints ─────────────────────────────────────────────────────────── */
.band-magic{ background:linear-gradient(180deg, transparent, color-mix(in srgb, var(--glow) 5%, transparent), transparent); }
.band-shadow{ background:linear-gradient(180deg, transparent, color-mix(in srgb, var(--rot) 8%, transparent), transparent); }
.band-read{ background:linear-gradient(180deg, transparent, color-mix(in srgb, var(--glow) 7%, transparent)); }
.sub-lead{ color:var(--dim)!important; margin-bottom:2.6rem; }

/* ── rune cards (interactive) ───────────────────────────────────────────── */
.runes{ display:grid; grid-template-columns:repeat(4,1fr); gap:1rem; margin:3rem 0 1rem; }
.rune-card{
  text-align:left; cursor:pointer; font:inherit; color:var(--ink);
  background:linear-gradient(180deg, var(--bg-3), var(--bg-2));
  border:1px solid var(--line); border-radius:10px; padding:1.4rem 1.2rem;
  display:flex; flex-direction:column; gap:.5rem; min-height:210px;
  transition:transform .2s var(--ease), border-color .2s, box-shadow .3s;
}
.rune-card:hover, .rune-card.on{ transform:translateY(-4px); border-color:color-mix(in srgb, var(--glow) 55%, transparent); box-shadow:0 12px 40px rgba(0,0,0,.4), 0 0 30px color-mix(in srgb, var(--glow) 18%, transparent); }
.rune-card.danger:hover, .rune-card.danger.on{ border-color:color-mix(in srgb, var(--rot) 55%, transparent); box-shadow:0 12px 40px rgba(0,0,0,.4), 0 0 30px color-mix(in srgb, var(--rot) 20%, transparent); }
.rune-glyph{ font-size:2.2rem; line-height:1; color:var(--glow); text-shadow:0 0 18px color-mix(in srgb, var(--glow) 60%, transparent); }
.rune-card.danger .rune-glyph{ color:var(--rot); text-shadow:0 0 18px color-mix(in srgb, var(--rot) 60%, transparent); }
.rune-name{ font-family:var(--display); font-weight:600; font-size:1.05rem; letter-spacing:.04em; }
.rune-desc{ font-size:.9rem; color:var(--dim); line-height:1.55; max-height:0; opacity:0; overflow:hidden; transition:max-height .35s var(--ease), opacity .3s; }
.rune-card:hover .rune-desc, .rune-card.on .rune-desc{ max-height:200px; opacity:1; }
.rune-hint{ text-align:center; font-size:.85rem; color:var(--faint)!important; font-style:italic; margin-top:1.4rem!important; }
@media (max-width:860px){ .runes{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .runes{ grid-template-columns:1fr; } .rune-card{ min-height:0; } .rune-desc{ max-height:200px; opacity:1; } }

/* ── world split ────────────────────────────────────────────────────────── */
.split{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(1.6rem,4vw,3.4rem); align-items:center; }
.glass-card{
  background:linear-gradient(180deg, color-mix(in srgb, var(--glow) 8%, var(--bg-3)), var(--bg-2));
  border:1px solid color-mix(in srgb, var(--glow) 22%, transparent); border-radius:14px;
  padding:2rem 1.8rem; box-shadow:inset 0 1px 0 rgba(255,255,255,.05), 0 20px 60px rgba(0,0,0,.4);
}
.glass-label{ font-family:var(--display); font-size:.68rem; letter-spacing:.22em; text-transform:uppercase; color:var(--glow); }
.glass-quote{ font-family:var(--display); font-weight:500; font-size:clamp(1.15rem,2.4vw,1.5rem); line-height:1.4; color:var(--ink)!important; margin:1rem 0 1.2rem; }
.glass-meta{ font-size:.85rem; color:var(--faint); font-style:italic; }
@media (max-width:820px){ .split{ grid-template-columns:1fr; } }

/* ── mysteries ──────────────────────────────────────────────────────────── */
.mys-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.2rem; margin:1rem 0 2.4rem; }
.mys-card{
  position:relative; background:linear-gradient(180deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line); border-radius:12px; padding:2rem 1.7rem 1.6rem;
  overflow:hidden; transition:border-color .25s, transform .2s var(--ease);
}
.mys-card::before{ content:""; position:absolute; inset:0; background:radial-gradient(120% 90% at 100% 0%, color-mix(in srgb,var(--glow) 10%,transparent), transparent 60%); opacity:0; transition:opacity .3s; }
.mys-card:hover{ border-color:color-mix(in srgb,var(--glow) 45%,transparent); transform:translateY(-3px); }
.mys-card:hover::before{ opacity:1; }
.mys-num{ font-family:var(--display); font-size:.8rem; letter-spacing:.2em; color:var(--glow); }
.mys-card h3{ font-family:var(--display); font-weight:600; font-size:1.35rem; margin:.5rem 0 .7rem; }
.mys-card p{ font-size:.98rem; line-height:1.6; margin:0; }
.mys-foot{ text-align:center; font-family:var(--display); font-weight:500; color:var(--ink)!important; font-size:clamp(1.05rem,2.2vw,1.3rem); line-height:1.5; max-width:50ch; margin:0 auto!important; }
@media (max-width:720px){ .mys-grid{ grid-template-columns:1fr; } }

/* ── why ────────────────────────────────────────────────────────────────── */
.why-list{ list-style:none; padding:0; margin:2rem auto 2.8rem; max-width:64ch; }
.why-list li{ font-size:1.08rem; line-height:1.65; color:var(--dim); padding:1rem 0; border-bottom:1px solid var(--line); }
.why-if{ display:block; font-family:var(--display); font-weight:600; color:var(--glow); font-size:.95rem; letter-spacing:.05em; margin-bottom:.2rem; }
.promise-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:1rem; }
.promise{ display:flex; flex-direction:column; gap:.35rem; padding:1.2rem 1rem; background:var(--bg-2); border:1px solid var(--line); border-radius:10px; text-align:center; align-items:center; }
.promise-ico{ color:var(--glow); font-size:1.1rem; text-shadow:0 0 12px var(--glow); }
.promise strong{ font-family:var(--display); font-weight:600; font-size:.98rem; }
.promise span:last-child{ font-size:.85rem; color:var(--faint); line-height:1.45; }
@media (max-width:820px){ .promise-row{ grid-template-columns:repeat(2,1fr); } }

/* ── books ──────────────────────────────────────────────────────────────── */
.book-arc{ list-style:none; padding:0; margin:2.5rem 0 0; display:flex; flex-direction:column; gap:1rem; }
.book{
  display:grid; grid-template-columns:88px 1fr; gap:1.4rem; align-items:center;
  background:linear-gradient(180deg,var(--bg-3),var(--bg-2)); border:1px solid var(--line);
  border-radius:12px; padding:1.1rem 1.4rem; transition:border-color .25s, transform .2s var(--ease);
}
.book:hover{ border-color:color-mix(in srgb,var(--glow) 40%,transparent); transform:translateX(4px); }
.book-cover{ position:relative; width:88px; aspect-ratio:2/3; border-radius:4px; overflow:hidden; box-shadow:0 8px 24px rgba(0,0,0,.5); }
.book-cover img{ width:100%; height:100%; object-fit:cover; }
.cover-fallback{ display:none; position:absolute; inset:0; flex-direction:column; align-items:center; justify-content:center; gap:.3rem;
  background:linear-gradient(160deg,var(--bg-3),#060a15); border:1px solid color-mix(in srgb,var(--glow) 22%,transparent); text-align:center; padding:.4rem; }
.book-cover.noimg img{ display:none; }
.book-cover.noimg .cover-fallback{ display:flex; }
.cover-num{ font-family:var(--display); font-weight:700; color:var(--glow); font-size:1.5rem; text-shadow:0 0 14px var(--glow); }
.cover-title{ font-family:var(--display); font-size:.6rem; letter-spacing:.06em; color:var(--dim); line-height:1.2; }
.book-n{ font-family:var(--display); font-size:.7rem; letter-spacing:.2em; text-transform:uppercase; color:var(--gold); }
.book-meta h3{ font-family:var(--display); font-weight:600; font-size:1.3rem; margin:.2rem 0 .4rem; }
.book-meta p{ margin:0; font-size:.95rem; color:var(--dim); }
@media (max-width:520px){ .book{ grid-template-columns:66px 1fr; gap:1rem; padding:.9rem 1rem; } .book-cover{ width:66px; } }

/* ── read / signup ──────────────────────────────────────────────────────── */
.read-cta{ display:flex; gap:.9rem; justify-content:center; flex-wrap:wrap; margin:1.8rem 0 3rem; }
.signup{ background:var(--bg-2); border:1px solid var(--line); border-radius:14px; padding:clamp(1.6rem,4vw,2.4rem); text-align:center; }
.signup h3{ font-family:var(--display); font-weight:600; font-size:1.3rem; margin:0 0 .6rem; }
.signup p{ font-size:.95rem; max-width:52ch; margin:0 auto 1.3rem; }
.signup-form{ display:flex; gap:.6rem; justify-content:center; flex-wrap:wrap; }
.signup-form input{
  flex:1; min-width:240px; max-width:340px; padding:.8rem 1rem; font:inherit; font-size:1rem;
  background:var(--bg); border:1px solid var(--line); border-radius:2px; color:var(--ink);
}
.signup-form input:focus{ outline:none; border-color:var(--glow); box-shadow:0 0 0 3px color-mix(in srgb,var(--glow) 18%,transparent); }
.signup-msg{ font-size:.9rem; margin:1rem 0 0!important; min-height:1.2em; }
.signup-msg.ok{ color:var(--glow)!important; }
.signup-msg.err{ color:#ff8a8a!important; }

/* ── footer ─────────────────────────────────────────────────────────────── */
.foot{ text-align:center; padding:3.5rem 1.5rem 4rem; border-top:1px solid var(--line); background:var(--bg-2); }
.foot-title{ font-family:var(--display); font-weight:700; letter-spacing:.24em; margin:0 0 .4rem; }
.foot-sub{ color:var(--dim); margin:0 0 1.4rem; font-size:.95rem; }
.foot-links{ display:flex; gap:1.3rem; justify-content:center; flex-wrap:wrap; margin-bottom:1.4rem; }
.foot-links a{ color:var(--faint); text-decoration:none; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; transition:color .2s; }
.foot-links a:hover{ color:var(--glow); }
.foot-legal{ color:var(--faint); font-size:.78rem; margin:0; }

/* ── reveal-on-scroll ───────────────────────────────────────────────────── */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  *{ animation:none!important; scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
}